JPH0643272B2 - Porous concrete compact and method for producing the same - Google Patents
Porous concrete compact and method for producing the sameInfo
- Publication number
- JPH0643272B2 JPH0643272B2 JP12703988A JP12703988A JPH0643272B2 JP H0643272 B2 JPH0643272 B2 JP H0643272B2 JP 12703988 A JP12703988 A JP 12703988A JP 12703988 A JP12703988 A JP 12703988A JP H0643272 B2 JPH0643272 B2 JP H0643272B2
- Authority
- JP
- Japan
- Prior art keywords
- cement
- cement mortar
- porous concrete
- weight
- foamed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004567 concrete Substances 0.000 title claims description 89
- 238000004519 manufacturing process Methods 0.000 title claims description 39
- 239000011083 cement mortar Substances 0.000 claims description 111
- 239000004568 cement Substances 0.000 claims description 78
- 239000000843 powder Substances 0.000 claims description 67
- 239000000203 mixture Substances 0.000 claims description 56
- 239000004576 sand Substances 0.000 claims description 53
- 239000004088 foaming agent Substances 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 40
- 239000000463 material Substances 0.000 claims description 39
- 238000000465 moulding Methods 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 239000004570 mortar (masonry) Substances 0.000 claims description 30
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 28
- 239000011707 mineral Substances 0.000 claims description 28
- 238000005245 sintering Methods 0.000 claims description 27
- 239000006260 foam Substances 0.000 claims description 21
- 239000000919 ceramic Substances 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 18
- 239000011230 binding agent Substances 0.000 claims description 14
- 229920003002 synthetic resin Polymers 0.000 claims description 13
- 239000000057 synthetic resin Substances 0.000 claims description 13
- 238000005266 casting Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 61
- 239000000047 product Substances 0.000 description 37
- 238000002474 experimental method Methods 0.000 description 31
- 235000010755 mineral Nutrition 0.000 description 22
- 238000005187 foaming Methods 0.000 description 13
- 230000005484 gravity Effects 0.000 description 12
- 229910004298 SiO 2 Inorganic materials 0.000 description 11
- 239000011381 foam concrete Substances 0.000 description 11
- 239000007789 gas Substances 0.000 description 10
- 239000000377 silicon dioxide Substances 0.000 description 9
- -1 glaze Substances 0.000 description 8
- 239000011398 Portland cement Substances 0.000 description 7
- 239000011521 glass Substances 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 7
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 238000001723 curing Methods 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000007857 degradation product Substances 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000006261 foam material Substances 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 229910052655 plagioclase feldspar Inorganic materials 0.000 description 4
- 230000017854 proteolysis Effects 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000003610 charcoal Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- SHFGJEQAOUMGJM-UHFFFAOYSA-N dialuminum dipotassium disodium dioxosilane iron(3+) oxocalcium oxomagnesium oxygen(2-) Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Na+].[Na+].[Al+3].[Al+3].[K+].[K+].[Fe+3].[Fe+3].O=[Mg].O=[Ca].O=[Si]=O SHFGJEQAOUMGJM-UHFFFAOYSA-N 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000010445 mica Substances 0.000 description 3
- 229910052618 mica group Inorganic materials 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000005909 Kieselgur Substances 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- QOSATHPSBFQAML-UHFFFAOYSA-N hydrogen peroxide;hydrate Chemical compound O.OO QOSATHPSBFQAML-UHFFFAOYSA-N 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 239000010451 perlite Substances 0.000 description 2
- 235000019362 perlite Nutrition 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 239000001397 quillaja saponaria molina bark Substances 0.000 description 2
- 229930182490 saponin Natural products 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- 229960001922 sodium perborate Drugs 0.000 description 2
- YKLJGMBLPUQQOI-UHFFFAOYSA-M sodium;oxidooxy(oxo)borane Chemical compound [Na+].[O-]OB=O YKLJGMBLPUQQOI-UHFFFAOYSA-M 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- MFEVGQHCNVXMER-UHFFFAOYSA-L 1,3,2$l^{2}-dioxaplumbetan-4-one Chemical compound [Pb+2].[O-]C([O-])=O MFEVGQHCNVXMER-UHFFFAOYSA-L 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 239000004604 Blowing Agent Substances 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000003 Lead carbonate Inorganic materials 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical class OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910052656 albite Inorganic materials 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 229910052661 anorthite Inorganic materials 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 229910052626 biotite Inorganic materials 0.000 description 1
- 239000011400 blast furnace cement Substances 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- GWWPLLOVYSCJIO-UHFFFAOYSA-N dialuminum;calcium;disilicate Chemical compound [Al+3].[Al+3].[Ca+2].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] GWWPLLOVYSCJIO-UHFFFAOYSA-N 0.000 description 1
- YGANSGVIUGARFR-UHFFFAOYSA-N dipotassium dioxosilane oxo(oxoalumanyloxy)alumane oxygen(2-) Chemical compound [O--].[K+].[K+].O=[Si]=O.O=[Al]O[Al]=O YGANSGVIUGARFR-UHFFFAOYSA-N 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 229910052806 inorganic carbonate Inorganic materials 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 229910052627 muscovite Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000005332 obsidian Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002797 proteolythic effect Effects 0.000 description 1
- 239000008262 pumice Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- AGGKEGLBGGJEBZ-UHFFFAOYSA-N tetramethylenedisulfotetramine Chemical class C1N(S2(=O)=O)CN3S(=O)(=O)N1CN2C3 AGGKEGLBGGJEBZ-UHFFFAOYSA-N 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2068—Other inorganic materials, e.g. ceramics
- B01D39/2072—Other inorganic materials, e.g. ceramics the material being particulate or granular
- B01D39/2075—Other inorganic materials, e.g. ceramics the material being particulate or granular sintered or bonded by inorganic agents
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、軽量でしかも高強度であり、かつ耐薬品性に
優れたセラミツクス状の外観を有する多孔性コンクリー
ト成形体とその製造方法に関する。Description: TECHNICAL FIELD The present invention relates to a porous concrete compact having a ceramic-like appearance that is lightweight, has high strength, and is excellent in chemical resistance, and a method for producing the same.
多孔性コンクリート成形体は従来から知られており、成
形体およびその製造方法について多くの提案がなされて
いる（例えば特開昭60-68902号公報、特開昭60-71580号
公報等）。Porous concrete compacts have been conventionally known, and many proposals have been made regarding compacts and methods for producing the compacts (for example, JP-A-60-68902 and JP-A-60-71580).
〔発明が解決しようとする課題〕 従来の多孔性コンクリート成形体は圧縮強度が30〜50Kg
／cm2程度であり、かつ成形体の色彩所謂セメント色
で、コンクート本来の性質として耐薬品性に劣る欠点が
あつた。[Problems to be Solved by the Invention] The conventional porous concrete compact has a compressive strength of 30 to 50 kg.
/ Cm 2 and the color of the molded product is so-called cement color, and there is a drawback that the original nature of concrete is poor in chemical resistance.
そこで、圧縮強度と耐薬品性に優れ、かつ装飾的色彩を
有する多孔性コンクリート成形体の出現が要望されてい
た。Therefore, there has been a demand for the appearance of a porous concrete compact having excellent compressive strength and chemical resistance and having a decorative color.
本発明は、かかる要望に応えるものである。The present invention meets this need.
本発明にかかる多孔性コンクリート成形体は、発泡セメ
ントモルタル硬化体または発泡剤を含むセメントモルタ
ル硬化体の焼結体であり、該発泡セメントモルタル硬化
体または発泡剤を含むセメントモルタル硬化体は、少な
くともセメント7.5〜65重量％、砂10〜85重量％および
釉薬7.5〜80重量％を含有することを特徴とするもので
ある。The porous concrete molded body according to the present invention is a sintered body of a cement mortar cured body containing a foamed cement mortar cured body or a foaming agent, and a cement mortar cured body containing the foamed cement mortar cured body or a foaming agent is at least It is characterized by containing 7.5 to 65% by weight of cement, 10 to 85% by weight of sand, and 7.5 to 80% by weight of glaze.
また砂の代わりに、鉱物粉およびセラミツクス粉からな
る群から選ばれた少なくとも１種の材料と砂との混合物
を砂と同量使用した場合も本発明の多孔性コンクリート
成形体に含まれる。Further, instead of sand, the case where a mixture of at least one material selected from the group consisting of mineral powder and ceramic powder and sand is used in the same amount as sand is also included in the porous concrete molded body of the present invention.
かかる本発明の多孔性コンクリート成形体は、少なくと
もセメント7.5〜65重量％、砂10〜85重量％および釉薬
7.5〜80重量％からなる配合混合物に水を加えてセメン
トモルタルを製造し、該セメントモルタルをプレフオー
ム法またはプレミツクス法により発泡させ、これを硬化
させて得られた発泡セメントモルタル硬化体を焼結する
ことにより製造される。Such a porous concrete molding of the present invention comprises at least 7.5 to 65% by weight of cement, 10 to 85% by weight of sand, and glaze.
Cement mortar is produced by adding water to a mixture mixture consisting of 7.5 to 80% by weight, the cement mortar is foamed by the preform method or the premix method, and this is cured to sinter the foamed cement mortar cured product. It is manufactured by
砂の代わりに、鉱物粉およびセラミツクス粉からなる群
から選ばれた少なくとも１種の材料と砂との混合物を砂
と同量使用した場合も同様にして多孔性コンクリート成
形体が製造される。A porous concrete compact is also produced in the same manner when the same amount of sand as the mixture of sand and at least one material selected from the group consisting of mineral powder and ceramic powder is used instead of sand.
またセメントモルタルに、気体を発生する発泡剤を加
え、セメントモルタルを発泡させた後に焼結することに
よつて、またはセメントモルタルに加熱下に気体を発生
する発泡剤や、可燃物または空孔形成材を加え、セメン
トモルタル硬化体を焼結すると同時に発泡させることに
よつても本発明の多孔性コンクリート成形体を製造する
ことができる。A foaming agent that generates a gas is added to cement mortar, and the cement mortar is foamed and then sintered, or a foaming agent that generates a gas while the cement mortar is heated, or a combustible material or pores are formed. The porous concrete molded product of the present invention can also be produced by adding a material and sintering the cement mortar hardened product to simultaneously foam it.
更に本発明には、多孔性コンクリート成形体の気泡内に
合成樹脂や無機質バインダーを含浸させたコンクリート
成形体も含まれる。Further, the present invention also includes a concrete molded body obtained by impregnating the air bubbles of the porous concrete molded body with a synthetic resin or an inorganic binder.
かかる合成樹脂または無機質バンイダー含浸成形体は、
上記種々の方法によつて製造された多孔性コンクリート
成形体に合成樹脂や無機質バンイダーを含浸させること
につて製造される。Such a synthetic resin or an inorganic vanider-impregnated molded article,
It is manufactured by impregnating a porous concrete molded body manufactured by the above various methods with a synthetic resin or an inorganic vanider.
更にまた本発明には、多孔性コンクリート積層成形体お
よびその製造方法も含まれる。Furthermore, the present invention also includes a porous concrete laminate molding and a method for producing the same.
以下、本発明を順に説明する。Hereinafter, the present invention will be described in order.
本発明の多孔性コンクリート成形体およびその製造方法
（以下、本発明と云う）において使用されるセメントと
しては、一般に市販されているものが使用され、例えば
普通ポルトランドセメント、早強ポルトランドセメン
ト、白色セメント、ジエツトセメント（小野田セメント
（株）製品）、アルミナセメント、高炉セメント等を挙
げることができる。As the cement used in the porous concrete formed article of the present invention and the method for producing the same (hereinafter referred to as the present invention), commercially available ones are used, for example, ordinary Portland cement, early-strength Portland cement, white cement. , Jet Cement (product of Onoda Cement Co., Ltd.), alumina cement, blast furnace cement and the like.
これらセメントは単一種を使用しても良いし、複数種を
混合して使用することもできる。A single type of these cements may be used, or a plurality of types may be mixed and used.
かかるセメントの使用量は、セメント、後述する砂およ
び釉薬からなる配合混合物の7.5〜65重量％であり、7.5
重量％に満たない場合および65重量％を越える場合のい
づれも本発明成形体の耐熱性を向上させることができな
い。The amount of such cement used is 7.5 to 65% by weight of cement, a mixture mixture consisting of sand and glaze described below, and 7.5
The heat resistance of the molded product of the present invention cannot be improved in both cases of less than 65% by weight and more than 65% by weight.
本発明で使用される砂としては、SiO２を主成分、すな
わち通常85％以上のSiO２を含む砂、例えば市販の砂や
珪砂、珪石（SiO295〜98％）、粘土成分からの砂、シラ
ス、SiC製造時の副生成物のシリカフユーム（silicafum
e）、ポゾラン（SiO２85〜90％）、フライアツシユ、高
炉スラグ、ニッケルスラグ等のスラグ類を使用すること
ができ、これらは単一種を使用しても良いし、または複
数種を混合して使用することもできる。The sand used in the present invention includes SiO 2 as a main component, that is, sand that normally contains 85% or more of SiO 2 , for example, commercially available sand, silica sand, silica stone (SiO 2 95 to 98%), sand from clay components. , Silas, a by-product of SiC production
e), pozzolan (SiO 2 85-90%), fly ash, blast furnace slag, nickel slag, and other slags can be used, and these may be used alone or in combination of two or more. It can also be used.
砂の粒度は、微粉であればある程、後述するセメントス
ラリー硬化体の強度を向上させることができるが、経済
性の点からすれば、300メッシュパス100％の微粉状珪砂
を挙げることができる。As for the particle size of sand, the finer the powder, the more the strength of the cement slurry hardened product described later can be improved, but from the economical point of view, 300 mesh pass 100% finely powdered silica sand can be mentioned. .
かかる砂は、後述する釉薬と共に、本発明の成形体の耐
熱性、圧縮強度および耐薬品性を向上させるうえで欠か
せない存在であり、釉薬と反応して非晶質のガラス体を
形成し、このガラス体がバインダーとして機能して成形
体の上記性質を向上させることができると考えられる。Such sand is indispensable for improving the heat resistance, compression strength and chemical resistance of the molded article of the present invention together with the glaze to be described later, and reacts with the glaze to form an amorphous glass body. It is considered that this glass body can function as a binder to improve the above properties of the molded body.
本発明における、かかる砂の使用量は、上記配合混合物
の10〜85重量％であり、使用量が10重量％に満たない場
合および85重量％を越える場合は、いづれも本発明成形
体の耐熱性、圧縮強度および耐薬品性を向上させること
ができない。In the present invention, the amount of such sand used is 10 to 85% by weight of the above-mentioned blended mixture, and if the amount used is less than 10% by weight or exceeds 85% by weight, the heat resistance of the molded article of the present invention is Property, compressive strength and chemical resistance cannot be improved.
本発明においては、上記砂を単独でセメントおよび釉薬
と共に使用する代わりに、鉱物粉およびセラミツクス粉
からなる群から選ばれた少なくとも１種の材料と砂との
混合物をセメントおよび釉薬と共に使用することもでき
る。In the present invention, instead of using the sand alone with cement and glaze, it is also possible to use a mixture of at least one material selected from the group consisting of mineral powder and ceramic powder with sand, together with cement and glaze. it can.
ここで砂と共に使用される鉱物粉とは、SiO２を40重量
％以上含有する断熱性鉱物類であり、例えば長石、曹長
石、灰長石等の斜長石系鉱物粉、黒雲母系、白雲母系等
の雲母粉、珪藻土粉、パーライト（真珠石を焼成加工し
たもの）、フヨーライト（黒曜石を焼成加工したもの）
などを挙げることができる。Here, the mineral powder used together with sand is a heat insulating mineral containing 40% by weight or more of SiO 2 , such as plagioclase mineral powder such as feldspar, albite, anorthite, biotite, muscovite, etc. Mica powder, diatomaceous earth powder, perlite (calcined pearlite), fuyolite (calcined obsidian)
And so on.
これら鉱物粉は単一種または複数種の混合物を何れをも
使用できる。These mineral powders can use either a single kind or a mixture of plural kinds.
これら鉱物粉では、断熱性能の点からは珪藻土、雲母系
が優れているが、硬化体の強度の点では斜長石系が優れ
ているので、雲母系を含む斜長石系鉱物粉が断熱性と強
度を合わせ持つ点で好適である。Among these mineral powders, diatomaceous earth and mica are superior in terms of heat insulation performance, but plagioclase-based mineral powders are superior in terms of strength of the hardened body, so plagioclase-based mineral powders containing mica-based minerals have excellent heat insulation properties. It is suitable because it has both strength.
鉱物粉の粒度は、40〜300メッシュパス100％の範囲で本
発明成形体の使用目的に応じて適宜選択され、成形体強
度の点からは300メッシュパス100％が好ましく、砂との
併用による断熱性向上の点からは60〜300メッシュが選
択される。The particle size of the mineral powder is appropriately selected according to the purpose of use of the molded product of the present invention in the range of 40 to 300 mesh pass 100%, 300 mesh pass 100% is preferable from the viewpoint of the strength of the molded product, and it can be used in combination with sand. From the viewpoint of improving heat insulation, 60-300 mesh is selected.
またセラミツクス粉としては、酸化アルミニウム（例え
ば日本軽金属（株）製のＡ２３）、ジルコサンド、酸化
ジルコニウム（例えば第一希元素（株）製）等が使用さ
れ、その粒度は１〜３ミクロンであり、かかるセラミツ
クス粉の添加によつて、成形体の耐薬品性、熱安定性、
強度をより向上させることができる。Further, as the ceramic powder, aluminum oxide (for example, A 23 manufactured by Nippon Light Metal Co., Ltd.), zirco sand, zirconium oxide (for example, manufactured by Daiichi Rare Elements Co., Ltd.) and the like are used, and the particle size thereof is 1 to 3 μm. By the addition of such ceramic powder, the chemical resistance of the molded body, thermal stability,
The strength can be further improved.
かかる鉱物粉およびセラミツクス粉からなる群から選ば
れた少なくとも１種の材料と砂との混合物の使用量は、
上記砂単独使用の場合と同様に配合混合物の10〜85重量
％であり、使用量が10％未満の場合および85重量％を越
える場合は、いづれも砂単独使用の場合と同様に本発明
成形体の耐熱性、強度を向上させることができない。The amount of the mixture of sand and at least one material selected from the group consisting of such mineral powder and ceramic powder is:
As in the case of using the sand alone, it is 10 to 85% by weight of the blended mixture, and when the amount of use is less than 10% or exceeds 85% by weight, any of the molding methods of the present invention is the same as the case of using the sand alone. The heat resistance and strength of the body cannot be improved.
また、かかる混合物における砂の比率は、砂＋鉱物粉の
場合において10〜95重量％、砂＋セラミツクス粉の場合
は50〜95重量％、更に砂＋鉱物粉＋セラミツクス粉の場
合における砂の比率は10〜95重量％、鉱物粉の比率は10
〜70重量％である。The ratio of sand in the mixture is 10 to 95% by weight in the case of sand + mineral powder, 50 to 95% by weight in the case of sand + ceramic powder, and the ratio of sand in the case of sand + mineral powder + ceramic powder. Is 10 to 95% by weight, the ratio of mineral powder is 10
~ 70% by weight.
本発明で使用される釉薬は、通常市販されている陶磁器
用フリツト、七宝釉薬、琺瑯などの釉薬であり、その組
成は例えば下記のゼーゲル式で示され、その使用量は7.
5〜80重量％、好ましくは20〜50重量％である。The glaze used in the present invention is a commercially available fritt for ceramics, glaze such as cloisonne glaze, enamel, the composition thereof is shown by, for example, the following Zegel formula, and the amount used is 7.
It is 5 to 80% by weight, preferably 20 to 50% by weight.
塩基性成分（Ｒ２Ｏ＋ＲＯ）： Na2O 0.96以下、Ｋ２Ｏ 0.96以下、CaO 0.90以下、 MgO 0.50以下、BaO 0.80以下、ZnO 0.75以下、 SrO 0.70以下、BeO 0.74以下、PbO 1.00以下。Basic component (R 2 O + RO): Na 2 O 0.96 or less, K 2 O 0.96 or less, CaO 0.90 or less, MgO 0.50 or less, BaO 0.80 or less, ZnO 0.75 or less, SrO 0.70 or less, BeO 0.74 or less, PbO 1.00 or less.
塩基性成分（Ｒ２Ｏ３）： Al２Ｏ３ 1.90以下、Ｂ２Ｏ３ 1.92以下、 Ｐ２Ｏ５ 2.39以下、他にFe2Ｏ３、Sb2Ｏ３、Mn
2Ｏ３、Cr2Ｏ３を含むこともある。Basic component (R 2 O 3 ): Al 2 O 3 1.90 or less, B 2 O 3 1.92 or less, P 2 O 5 2.39 or less, and also Fe 2 O 3 , Sb 2 O 3 , Mn.
It may also contain 2 O 3 and Cr 2 O 3 .
酸性成分（RO２）： SiO２ 0.08〜23.0、SnO２ 0.41以下、他にTiO２を含
むこともある。Acid component (RO 2 ): SiO 2 0.08 to 23.0, SnO 2 0.41 or less, and may also contain TiO 2 .
釉薬の使用量が7.5重量％に満たないと、本発明成形体
の耐熱性が向上せず、また80重量％を越えて使用しても
耐熱性に変化がみられず、経済的でない。If the amount of glaze used is less than 7.5% by weight, the heat resistance of the molded product of the present invention will not be improved, and even if it is used in excess of 80% by weight, the heat resistance will not change and it is not economical.
釉薬中の酸性成分、SiO２等は加熱下に溶融してガラス
を形成するが、塩基性成分のNa2O、Ｋ２Ｏ、CaO、MgOな
どはそれ自体はガラス化せず、ガラスの中に溶融して非
晶質のガラスとする作用があり、またAl２Ｏ３、ZnO、Pb
Oなどはこれら両者の中間の作用をする。The acidic components in the glaze, SiO 2 etc. melt to form glass when heated, but the basic components Na 2 O, K 2 O, CaO, MgO, etc. do not vitrify themselves and Melts to form amorphous glass, and also Al 2 O 3 , ZnO, Pb
O etc. acts in between these two.
すなわち釉薬中のかかる成分が、砂として添加されるSi
O２と加熱時に反応してガラスを形成し、同時にセメン
トはセメント主成分（Ｃ２Ｓ、Ｃ３Ｓなど）が変化して
ＣａＯ・ＳｉＯ２構造となつて（螢光Ｘ線回析の結果か
ら判明）、本発明成形体の耐熱性、耐衝撃性、耐薬品性
を向上させるのである。That is, such a component in the glaze is Si added as sand.
The cement reacts with O 2 when heated to form glass, and at the same time, the cement main component (C 2 S, C 3 S, etc.) changes to form a CaO / SiO 2 structure (result of fluorescence X-ray diffraction). It is found from the above) that the heat resistance, impact resistance and chemical resistance of the molded product of the present invention are improved.
本発明においては、上記セメント、砂、釉薬、鉱物粉、
セラミツクス粉からなる配合混合物に、従来コンクリー
ト製品の製造の際に配合されていた各種の補強材、例え
ば石綿、岩綿、炭素繊維などの繊維状物、金属粉、例え
ばステンレス鋼粉などを、従来の配合量の範囲で適宜配
合することができる。In the present invention, the above cement, sand, glaze, mineral powder,
Conventionally, various reinforcing materials, such as asbestos, rock wool, carbon fiber, and other fibrous materials, metal powders, such as stainless steel powder, which have been conventionally compounded in the production of concrete products, are added to a compounding mixture made of ceramic powder. It can be appropriately blended within the range of the blending amount.
更に本発明においては、上記配合混合物に水を加えて得
られるセメントモルタルの常温硬化を促進するために、
セメント量の15重量％以内の石膏を添加することもで
き、更にまた、セメントモルタルの安定性を調整するた
めに、通常の保護コロイド、解膠材、例えばCMC、アク
リル酸ポリマー、シリカゾル、アルミナゾルなどを添加
することもできる。Further, in the present invention, in order to accelerate the room temperature hardening of the cement mortar obtained by adding water to the blended mixture,
It is also possible to add gypsum within 15% by weight of the amount of cement, and furthermore, in order to adjust the stability of cement mortar, usual protective colloid, peptizer such as CMC, acrylic acid polymer, silica sol, alumina sol, etc. Can also be added.
更にまた本発明においては、市販のセメント減水剤、例
えばマイテイ150（花王（株）製）、FP-100（藤沢薬品
（株）製）等を添加することもでき、得られた成形体が
焼結時のカーボン生成によつて淡灰色味がかるが、耐熱
性に殆ど影響がない。Furthermore, in the present invention, a commercially available cement water reducing agent, for example, Mighty 150 (manufactured by Kao Corporation), FP-100 (manufactured by Fujisawa Pharmaceutical Co., Ltd.) or the like can be added, and the obtained molded product is burned. Although it has a light grayish tinge due to the formation of carbon during binding, it has little effect on heat resistance.
また、一般セメントの急速硬化剤、例えばアルミン酸塩
（ソーダ、カルシウム等）、クエン酸などのオキシカル
ボン酸またはその塩、炭酸アルカリ、ケイフツ化物、リ
ン酸またはその塩、ホウ酸またはその塩、ケイ酸アルカ
リ（水ガラス等）などをセメントモルタルに添加しても
良い。使用量はセメントの0.05〜５重量％である。In addition, rapid hardening agents for general cement, for example, aluminates (soda, calcium, etc.), oxycarboxylic acids such as citric acid or salts thereof, alkali carbonates, silicates, phosphoric acid or salts thereof, boric acid or salts thereof, silica. Acid alkali (water glass, etc.) may be added to the cement mortar. The amount used is 0.05 to 5% by weight of cement.
あるいは、着色顔料や着色金属酸化物等を添加して、着
色した成形体を得ることも可能である。Alternatively, it is possible to add a colored pigment, a colored metal oxide or the like to obtain a colored molded body.
次に本発明においては、上記配合混合物に水を加えてセ
メントモルタルを製造し、このモルタルを発泡させ、発
泡モルタルを成形し、これを硬化させて得られる発泡セ
メントモルタル硬化体を焼結するか、またはセメントモ
ルタルに発泡剤を加え、これを成形した後に硬化させて
得られるセメントモルタル硬化体を焼結すると同時に発
泡させることにより多孔性コンクリート成形体を製造す
る。Next, in the present invention, water is added to the above-mentioned blended mixture to produce cement mortar, this mortar is foamed, foamed mortar is molded, and the foamed cement mortar cured product obtained by curing this is sintered. Alternatively, a porous concrete compact is manufactured by adding a foaming agent to cement mortar, molding the cement mortar, and then curing the cement mortar to obtain a cured cement mortar, which is then simultaneously foamed.
成形法にはモルタル注型法、射出成形法、粉末プレス成
形法があるが、発泡モルタルの成形の場合にはモルタル
注型法が好ましく採用され、発泡していないセメントモ
ルタルの成形の場合には、モルタル注型法、射出成形
法、粉末プレス成形法のいづれも使用することができ、
また発泡剤として後述する可燃物または空孔形成材を使
用する場合には粉末プレス成形が好ましく採用される。Molding methods include mortar casting method, injection molding method and powder press molding method, but in the case of molding of foamed mortar, mortar casting method is preferably adopted, and in the case of cement mortar which is not foamed , Mortar casting method, injection molding method, powder press molding method can be used.
When a combustible material or a pore-forming material described later is used as the foaming agent, powder press molding is preferably adopted.
配合混合物への水の添加量は、モルタル注型法、射出成
形法の場合、上記配合各成分の混練が容易であり、かつ
注型または発泡が可能な程度の十分な流動性が得られる
範囲内で適宜選択することができる。The amount of water added to the blended mixture is, in the case of the mortar casting method and the injection molding method, a range in which the above-mentioned respective components of the blending are easily kneaded and sufficient fluidity is obtained such that casting or foaming is possible. Can be appropriately selected within.
また、粉末プレス成形の場合は、湿つた配合混合物のプ
レス成形が可能な範囲内で適当量の水分を決定すること
ができる。Further, in the case of powder press molding, an appropriate amount of water can be determined within the range where press molding of a wet blended mixture is possible.
本発明で使用する発泡剤としては、まず従来からプレフ
オーム法およびプレミツクス法による発泡コンクリート
の製造に使用されている蛋白質、蛋白質分解物や、界面
活性剤、サポニン系化合物、合成高分子多価金属塩が挙
げられる。Examples of the foaming agent used in the present invention include proteins, protein degradation products, surfactants, saponin compounds, and synthetic high-molecular polyvalent metal salts that have been conventionally used in the production of foamed concrete by the preform method and the premix method. Is mentioned.
具体的には、蛋白質、蛋白質分解物には、グルフオー
ム、モノクリート（第一化成産業（株））等があり、サ
ポニン系化合物には例えばエマールTD等があり、界面活
性剤としてはラウリル硫酸ソーダ塩、トリエタノールア
ミン塩、ポリオキシエチレンラウリルエーテル硫酸塩等
が含まれる。Specifically, proteins and proteolytic products include gulfome, monocleate (Daiichi Kasei Sangyo Co., Ltd.) and the like, saponin compounds such as Emal TD, and surfactants such as sodium lauryl sulfate. Salts, triethanolamine salts, polyoxyethylene lauryl ether sulfates and the like are included.
更に、合成高分子多価金属塩には、パフオームERM（花
王（株）製）等がある。Further, as the synthetic polymer polyvalent metal salt, there is Puffohm ERM (manufactured by Kao Corporation) and the like.
これら発泡剤は単独種を使用しても良いし、複数種を組
み合わせて使用することもでき、従来から知られている
プレフオーム法またはプレミツクス法と同様にしてセメ
ントモルタルを発泡させる。These foaming agents may be used alone or in combination of two or more, and the cement mortar is foamed in the same manner as the conventionally known preform method or premix method.
また本発明においては、気体を発生する発泡剤を使用す
ることもできる。Further, in the present invention, a foaming agent that generates a gas may be used.
気体を発生する発泡剤としては、アルミニウム粉末、ア
ルミニウム合金粉末、過酸化水素水や過硼酸ソーダ等の
過酸化物などが挙げられる。Examples of the foaming agent that generates gas include aluminum powder, aluminum alloy powder, hydrogen peroxide solution, and peroxides such as sodium perborate.
アルミニウム粉末やアルミニウム合金粉末は、セメント
モルタル中にセメントの0.5〜１重量％添加し、放置す
れと発生する水素ガスによつてセメントモルタルを発泡
することができる。Aluminum powder or aluminum alloy powder can be added to the cement mortar in an amount of 0.5 to 1% by weight of the cement, and the cement mortar can be foamed by hydrogen gas generated when left standing.
過酸化水素水は30％水溶液をセメントに対して５〜10％
添加し、放置すると発泡する。Hydrogen peroxide water is 30% aqueous solution to cement 5-10%
Add and foam when left to stand.
また、ヒドラジツド系誘導体〔ユニホール（永和化成
（株）性）〕、ジニトロソペンタメチレン、テトラミン
系化合物（セルラールＢＬ）等の有機発泡材およびカー
バイド系化合物や炭酸塩を、気体を発生する発泡材とし
て用いることもできる。In addition, hydrazide derivatives [Unihole (Nagawa Kasei Co., Ltd.)], organic foaming materials such as dinitrosopentamethylene, tetramine compounds (cellular BL) and carbide compounds and carbonates are used as gas generating foam materials. It can also be used.
更に本発明においては、加熱によつて気体を発生する発
泡剤を使用することもできる。Further, in the present invention, it is possible to use a foaming agent which generates a gas by heating.
この発泡剤の場合には、セメントモルタルに発泡剤を加
え、成形し、硬化させることによつて得られるセメント
モルタル硬化体を焼結すると同時に発泡させることによ
り、本発明の多孔性コンクリート成形体が製造される。In the case of this foaming agent, by adding a foaming agent to cement mortar, molding and sintering the cement mortar cured product obtained by curing, and at the same time foaming, the porous concrete molded product of the present invention Manufactured.
加熱により気体を発生する発泡剤としては、無機炭酸
塩、例えば炭酸水素ナトリウム、炭酸カルシウム、炭酸
鉛、炭酸バリウム等が使用され、他に過硼酸ナトリウム
を使用することもできる。As the foaming agent that generates a gas by heating, inorganic carbonates such as sodium hydrogen carbonate, calcium carbonate, lead carbonate, barium carbonate are used, and sodium perborate can also be used.
更にまた本発明においては、可燃物または空孔形成材を
発泡剤として、添加することができる。Furthermore, in the present invention, a combustible material or a pore-forming material can be added as a foaming agent.
可燃物としては、可燃性有機物または炭が用いられ、空
孔形成材としては既に発泡している発泡物が用いられ
る。A flammable organic material or charcoal is used as the combustible material, and a foamed material that has already been foamed is used as the pore forming material.
可燃性有機物としては、プラスチツク類、合成または天
然繊維類、これら繊維類の織編物が使用される。As the combustible organic substance, plastics, synthetic or natural fibers, and woven or knitted fabrics of these fibers are used.
また空孔形成材としては、多孔性鉱物、例えば軽石、大
谷石、抗火石などの火山砕屑物やパーライト、バーミユ
キライトなどの加工鉱物、または本発明により製造され
た多孔性コンクリート成形体を使用することができる。As the pore-forming material, a porous mineral, for example, pumice, Otani stone, volcanic debris such as anti-firestone, perlite, processed minerals such as vermiyukilite, or a porous concrete molded body produced by the present invention is used. can do.
これら可燃性有機物または空孔形成材は、単一種を使用
しても良いし、複数種を組み合わせて使用することもで
きる。These flammable organic substances or pore-forming materials may be used alone or in combination of two or more.
これら可燃物または空孔形成材を使用する場合には、セ
メントモルタルに可燃物または空孔形成材を加え、硬化
させて得られるセメントモルタル硬化体を焼結すると共
に発泡させることにより多孔性コンクリート成形体が製
造される。When using these combustibles or pore-forming materials, add the combustible material or pore-forming materials to the cement mortar, and harden the cement mortar cured product obtained by curing and sinter and foam to form porous concrete. The body is manufactured.
成形法としては、モルタル注型法、射出成形法、粉末プ
レス成形法が使用される。As a molding method, a mortar casting method, an injection molding method, or a powder press molding method is used.
可燃物の添加量は、上記配合混合物の0.0001〜50重量％
であり、空孔形成材の添加量は、配合混合物の0.5〜50
重量％である。The amount of combustible substances added is 0.0001 to 50% by weight of the above blended mixture.
The amount of the pore-forming material added is 0.5 to 50 of the blended mixture.
% By weight.
本発明における焼結温度は、発泡セメントモルタル硬化
体の焼結の場合、および発泡剤を含むセメントモルタル
硬化体を焼結し同時に発泡させる場合共に釉薬とSiO２
との反応による非晶質ガラスの形成を促進するために、
釉薬が溶融してガラス化する温度以上であり、通常では
400〜1600℃であり、好ましくは釉薬の溶融温度＋０〜1
00℃であり、焼結時間は15〜60分である。焼結温度が釉
薬の溶融温度よりも200℃以上に上昇すると、焼結中に
成形体が変形する傾向が表れるので好ましくない。The sintering temperature in the present invention is the same as in the case of sintering the hardened cement mortar body and in the case of sintering the hardened cement mortar containing the foaming agent and simultaneously foaming the glaze and SiO 2.
In order to promote the formation of amorphous glass by the reaction with
It is above the temperature at which the glaze melts and vitrifies,
400 to 1600 ° C, preferably glaze melting temperature + 0 to 1
The temperature is 00 ° C and the sintering time is 15 to 60 minutes. When the sintering temperature is higher than the melting temperature of the glaze by 200 ° C. or more, the molded body tends to be deformed during sintering, which is not preferable.
すなわち本発明の多孔性コンクリート成形体の耐熱性は
添加する釉薬の組成および溶融温度によつて決定され、
高温釉薬であるSK15-SK20（溶融温度1435〜1530℃）を
使用して焼結すれば、1500℃以上の耐熱性成形体を得る
ことができる。That is, the heat resistance of the porous concrete molded body of the present invention is determined by the composition and melting temperature of the glaze to be added,
If SK15-SK20 (melting temperature 1435 to 1530 ° C), which is a high-temperature glaze, is used for sintering, a heat-resistant molded product having a temperature of 1500 ° C or higher can be obtained.
更に本発明においては、上述の方法によつて製造された
多孔性セメント成形体に合成樹脂や無機質バインダーを
含浸させ、気泡の一部または過半数または全てを封ずる
ことによつて空隙率と圧縮強度の上昇を自由に調整する
ことができる。Further, in the present invention, the porous cement molded body produced by the above-mentioned method is impregnated with a synthetic resin or an inorganic binder, and a part or a majority or all of the air bubbles are sealed to obtain a porosity and a compressive strength. The rise of can be adjusted freely.
合成樹脂としては、有機系プラスチツクスの多くのもの
を使用することができ、例えばアクリル変性樹脂の含浸
によつて圧縮強度を向上させることができるが、耐熱性
の点で使用限界が生ずる。As the synthetic resin, many organic plastics can be used. For example, the compressive strength can be improved by impregnation with an acrylic-modified resin, but there is a limit in use in terms of heat resistance.
一方、無機質バインダーでは、例えばシリコン樹脂、無
機接着剤、施釉等によつて圧縮強度と耐熱性を著しく向
上させることができる。On the other hand, with the inorganic binder, the compressive strength and heat resistance can be remarkably improved by using, for example, a silicone resin, an inorganic adhesive, glaze, or the like.
施釉に使用される釉薬としては、本発明の前記配合混合
物の一成分として使用される釉薬の中から適宜選択、使
用することができる。The glaze used for glaze can be appropriately selected and used from the glazes used as one component of the blended mixture of the present invention.
本発明によれば、ことに施釉によつて、多孔性コンクリ
ート成形体の外観の芸術性、強度、吸水性を向上させる
ことができる。According to the present invention, it is possible to improve the artistic appearance, strength, and water absorption of the appearance of the porous concrete molded body, especially by glazing.
含浸方法は、これら合成樹脂や無機質バインダーが液体
の場合には、そのまま使用しても良いが、固体の場合と
同様に溶媒溶液として含浸させ、溶媒を乾燥除去する方
法が好ましい。When the synthetic resin or the inorganic binder is a liquid, the impregnation method may be used as it is, but a method of impregnating it as a solvent solution and drying and removing the solvent is preferable as in the case of a solid.
更にまた本発明の多孔性コンクリート成形体を積層して
積層成形体を製造することができる。Furthermore, the porous concrete molding of the present invention can be laminated to produce a laminated molding.
発泡コンクリート成形体の製造方法はすでに知られてお
り、例えば特開昭60-69802を挙げることができる。A method for producing a foamed concrete molded body is already known, and for example, JP-A-60-69802 can be mentioned.
本発明によれば、本発明における発泡セメントモルタル
を注型して第１セメント層を形成し、数分後に第１セメ
ント層上に発泡セメントモルタルを同様に注型して第２
セメント層を積層し、以下同様にして複数のセメント層
を積層し、これを放置して積層物が硬化した後に脱型
し、焼結することによつて積層成形体を製造する。According to the present invention, the foamed cement mortar according to the present invention is cast to form a first cement layer, and a few minutes later, the foamed cement mortar is similarly cast onto the first cement layer to form a second cement layer.
A cement molded layer is laminated, and thereafter, a plurality of cement layers are laminated in the same manner. After this is left to stand, the laminate is cured, and then demolded and sintered to produce a laminated molded body.
あるいはまた、発泡剤を含み発泡していないモルタル混
合物を用いて同様に操作することによつて複数のセメン
ト層を形成し、硬化させた後に脱型し、次いで焼結する
と同時に発泡させることによつても本発明の積層成形体
を製造することもできる。Alternatively, a plurality of cement layers can be formed by a similar operation with a non-foamed mortar mixture containing a foaming agent, cured and then demolded and then simultaneously sintered and foamed. Also, the laminated molded body of the present invention can be manufactured.
なお、かかる積層成形体の発泡に使用される発泡剤に
は、上記本発明の成形体に関して述べた種々の発泡体が
全て当てはまる。In addition, as the foaming agent used for foaming such a laminated molded body, all of the various foamed bodies described regarding the molded body of the present invention are applicable.
また上記本発明の多孔性コンクリート積層成形体の最外
層に、無泡セメントモルタル硬化体の焼結体を存在さ
せ、内側に発泡セメントモルタル積層成形体を存在させ
て、積層体全体の強度をより高めることができる。Further, in the outermost layer of the porous concrete laminated body of the present invention, a sintered body of a non-foam cement mortar cured body is present, and a foamed cement mortar laminated body is present on the inside to further improve the strength of the entire laminated body. Can be increased.
無泡セメントモルタル硬化体の焼結体は最外側に少なく
とも一層があれば良いが、両外層に存在させてサンドイ
ツチ構造とすることもできる。The sintered body of the non-foam cement mortar cured body should have at least one layer on the outermost side, but it can also be present in both outer layers to have a Sangertian structure.
かかる無泡セメントモルタル硬化体の組成は、上述した
本発明における配合混合物と同一であり、発泡剤を添加
しない点のみが相異している。The composition of such a non-foam cement mortar cured product is the same as that of the blended mixture in the present invention described above, except that no foaming agent is added.
なお、砂を単独使用する代わりに鉱物粉およびセラミツ
クス粉からなる群から選ばれた少なくとも１種の材料と
砂との混合物を使用する場合についても、上記同様のこ
とが云える。The same applies to the case where a mixture of sand and at least one material selected from the group consisting of mineral powder and ceramic powder is used instead of using sand alone.
このような外層に無泡セメントモルタル硬化体の焼結体
を存在させた積層体は、例えば無泡セメントモルタルを
注型して第１層を形成し、次に発泡セメントモルタルを
第１層上に注型して第２層を形成し、以下同様にして複
数の発泡セメントモルタルからなる層を積層させ、硬化
の後に脱型し、焼結する方法、または発泡セメントモル
タルを注型し積層した後に最上層として無泡セメントモ
ルタルを注型する方法により製造される。A laminated body in which a sintered body of a non-foam cement mortar cured body is present in such an outer layer is formed, for example, by casting non-foam cement mortar to form a first layer, and then foaming cement mortar on the first layer. To form a second layer, and then stack a plurality of layers of foamed cement mortar in the same manner, demolding after curing, and sintering, or cast and laminate foamed cement mortar. It is later produced by the method of casting foam-free cement mortar as the top layer.
或いはこれらの方法の組合せによつて、最下層および最
上層に無泡セメントモルタル硬化体の焼結体を存在させ
たサンドイツチ構造の多孔性コンクリート積層成形体を
製造することができる。Alternatively, a combination of these methods can be used to produce a porous concrete laminate having a Saint-Gerci structure in which a sintered body of a cementless mortar-hardened body is present in the lowermost layer and the uppermost layer.
本発明の多孔性コンクリート成形体においては、孔径の
大小、連続気泡、独立気泡などを、成形体の用途に応じ
て自由に調整することができる。In the porous concrete molded body of the present invention, the size of the pore size, open cells, closed cells and the like can be freely adjusted according to the application of the molded body.
例えば、蛋白分解物水溶液や合成高分子多価金属塩水溶
液などを攪拌して発泡させた泡材料（プレフオーム法）
を本発明におけるセメントモルタルに少しづつ添加して
ゆくと、セメントモルタルの嵩比重が少しづつ減少する
ので、自由に比重を選択することができるし、また泡材
料の組成を選択することによつて気泡の大小が変化する
ので、泡材料の添加を多くすることにより、独立気泡か
ら連続気泡とすることができる。For example, a foam material (preform method) obtained by stirring and foaming an aqueous solution of a protein degradation product or an aqueous solution of a synthetic polyvalent metal salt.
By gradually adding to the cement mortar in the present invention, the bulk specific gravity of the cement mortar decreases little by little, so it is possible to freely select the specific gravity, and by selecting the composition of the foam material. Since the size of the bubbles changes, it is possible to change from the closed bubbles to the continuous bubbles by increasing the addition amount of the foam material.
また、空隙を生ずる発泡剤、例えば可燃性有機物の添加
によつて空孔を造る場合は、独立気泡や連続気泡を容易
に製造することができる。Further, in the case of forming pores by adding a foaming agent that creates voids, for example, a combustible organic substance, closed cells or open cells can be easily produced.
例えばプラスチツク繊維を添加すれば、細長い気孔の連
続気泡となり、プラスチツク粉の粒径をコントロールし
て添加することにより、焼結によつて独立気泡を調整す
ることができる。For example, if plastic fibers are added, elongated pores are formed as open cells, and by adding the plastic powder while controlling the particle size of the plastic powder, the closed cells can be adjusted by sintering.
独立気泡発泡コンクリートは吸水性がなく、建材用の外
壁材として最適であり、連続気泡発泡コンクリート成形
体は、排水処理用、自動車の排ガス処理用、耐熱性エア
ーフイルター等に好適に使用することができる。Closed-cell foam concrete does not absorb water and is ideal as an outer wall material for building materials.Open-cell foam concrete moldings can be suitably used for wastewater treatment, automobile exhaust gas treatment, heat-resistant air filters, etc. it can.
例えば、細菌を付着した連続気泡発泡コンクリートは、
排水処理担体として、排ガス処理用触媒を担持したもの
は自動車の排ガス処理用に最適であり、また特殊なエア
ーフイルターに使用できる。For example, open-cell foam concrete with bacteria attached,
As a wastewater treatment carrier, a carrier carrying an exhaust gas treatment catalyst is most suitable for automobile exhaust gas treatment, and can be used for a special air filter.
一般に、多孔質にすればする程、発泡成形体の強度が低
下することは良く知られている。It is generally well known that the more porous, the lower the strength of the foamed molded article.
しかしながら本発明の多孔性コンクリート成形体は、平
方センチメートル当たり100kg程度の圧縮強度を有し、
更に耐熱性、耐薬品性にも優れており、上記用途を含め
て広い市場が期待される。However, the porous concrete molded body of the present invention has a compressive strength of about 100 kg per square centimeter,
Furthermore, it has excellent heat resistance and chemical resistance, and is expected to have a wide market including the above-mentioned applications.
因に、従来公知の発泡コンクリートでは、耐熱性、耐薬
品性に乏しい欠点が解消されていない。Incidentally, the conventionally known foamed concrete has not solved the drawback of poor heat resistance and chemical resistance.
また、従来公知の発泡コンクリートは、建材用外壁材と
して使用すると水を吸収し、寒冷地では凍結によるヒビ
割れが発生することが知られている。It is known that conventionally known foamed concrete absorbs water when used as an outer wall material for building materials, and cracks due to freezing occur in cold regions.
しかしながら、合成樹脂または無機質バインダーを含浸
させ硬化させた本発明の多孔性コンクリート成形体で
は、液体窒素による凍結試験（日本建築学会、昭和56年
９月論文集、第1210頁）の結果、かかるヒビ割れ現象は
全く見られなかつた（判定：０点）。However, in the porous concrete molding of the present invention in which a synthetic resin or an inorganic binder is impregnated and hardened, as a result of a freezing test using liquid nitrogen (Jpn. No cracking phenomenon was observed (judgment: 0 point).
これに対して一般市販の発泡コンクリート外壁材では、
同一試験の結果、判定−１〜−３であり、多くのヒビ割
れが生じた。On the other hand, in general commercial foam concrete outer wall material,
As a result of the same test, the judgments were -1 to -3, and many cracks were generated.
なお、本発明者が先に提案した無泡性コンクリート成形
体に施釉したものも、ヒビ割れなしを示した。In addition, the non-foamed concrete molded body previously proposed by the present inventor also showed no cracking.
更に本発明の多孔性コンクリート成形体は、7.5％の硝
酸水溶液または10％の苛性ソーダ水溶液に室温下で48時
間浸積しても浸食されない。Furthermore, the porous concrete compact of the present invention is not eroded even when immersed in a 7.5% nitric acid aqueous solution or a 10% caustic soda aqueous solution at room temperature for 48 hours.
従来の発泡コンクリートでは、硝酸水溶液の場合、重量
減少率約16％を示しており、本発明の多孔性コンクリー
ト成形体は耐薬品性の点でも著しく優れていることが明
らかである。The conventional foamed concrete shows a weight loss rate of about 16% in the case of an aqueous nitric acid solution, and it is clear that the porous concrete molded body of the present invention is remarkably excellent in chemical resistance.
以下、本発明の実施例を述べる。Examples of the present invention will be described below.
実施例１ プレフオーム法による多孔性コンクリート成形体の製造 蛋白質分解物〔モノクリート（第一化成産業（株）
製）〕２ｇ、界面活性剤〔エマール（花王（株）〕0.5g
を水200ｍに混合し溶解液を激しく攪拌して発泡させ
て製造した泡体約５ｇ／100ｍを第１表に示す組成の
セメントモルタル中に攪拌しながら添加して目的とする
嵩比重の発泡セメントモルタルを製造した。Example 1 Production of Porous Concrete Molded Body by Preform Method Protein degradation product [Monocleat (Daiichi Kasei Sangyo Co., Ltd.)
2 g), surfactant [Emar (Kao Co., Ltd.) 0.5 g
Foamed cement of the intended bulk specific gravity by adding about 5 g / 100 m of foam prepared by mixing 200 m of water with the solution and vigorously stirring to foam the cement mortar having the composition shown in Table 1 with stirring. A mortar was produced.
釉薬は下記ゼーゲル式組成の珪硼酸ソーダジルコニア系
釉薬を使用した。As the glaze, a sodium borosilicate zirconia-based glaze having the following Zegel composition was used.
釉薬（軟化温度650℃、焼成温度900℃） Ｋ２Ｏ 0.20 Ａｌ２Ｏ３ 0.12 SiO２ 2.0 Na2Ｏ 0.40 Ｂ２Ｏ３ 0.55 ZrO２ 0.20 CaO 0.30 MgO 0.2 なお、嵩比重は試料の測定重量を容積で割つた値であ
る。Glaze (softening temperature 650 ° C, firing temperature 900 ° C) K 2 O 0.20 Al 2 O 3 0.12 SiO 2 2.0 Na 2 O 0.40 B 2 O 3 0.55 ZrO 2 0.20 CaO 0.30 MgO 0.2 The bulk specific gravity is the measured weight of the sample. It is the value divided by the volume.
このプレフオーム法は泡体をモルタル中に混合する方法
なので、目的とする嵩比重のモルタルを自由に製造でき
る利点がある。Since this preform method is a method of mixing foam into mortar, it has an advantage that a mortar having a desired bulk specific gravity can be freely produced.
次にモルタルを型に入れ、室温に１夜放置し、脱型して
発泡硬化体を得た。この硬化体を電気炉に入れ、300℃
で約５分加熱して脱水し、引続き昇温して850℃で30分
焼結して多孔性コンクリート成形体を製造し、圧縮強度
を測定した。Next, the mortar was placed in a mold, left at room temperature overnight, and then demolded to obtain a foamed cured product. Put this cured product in an electric furnace at 300 ℃
The mixture was heated for about 5 minutes for dehydration, and subsequently heated to 850 ° C. for 30 minutes to produce a porous concrete compact, and its compressive strength was measured.
結果を第１表、実験NO.１〜６に示す。 The results are shown in Table 1 and Experiment Nos. 1 to 6.
また、焼結後に上記の釉薬を焼結体に施釉して気泡内に
含有させたところ、圧縮強度が著しく（20％以上）増大
し、焼結体表面からの吸水性が改善され、かつ芸術的に
着色した外観を有する多孔性コンクリート成形体を製造
することができた。In addition, when the above glaze was glazed on the sintered body after sintering and contained in the air bubbles, the compressive strength increased remarkably (20% or more), the water absorption from the surface of the sintered body was improved, and It was possible to produce porous concrete moldings with a visually colored appearance.
結果を第１表、実験NO.６に示す。The results are shown in Table 1 and Experiment No. 6.
なお、第１表、実験NO.７はセメントモルタルを発泡さ
せずに硬化、焼結した無泡コンクリート成形体の場合で
ある。In addition, Table 1 and Experiment No. 7 are the cases of the non-foam concrete molded product obtained by hardening and sintering the cement mortar without foaming.
また、砂と共にセラミツクス粉としての酸化ジルコニウ
ム粉や、鉱物粉としての斜長石系鉱物粉を使用し、同様
にプレフオーム法により多孔性コンクリート成形体を製
造した。Further, a zirconium oxide powder as a ceramic powder and a plagioclase-based mineral powder as a mineral powder were used together with sand, and a porous concrete molded body was similarly produced by the preform method.
結果を第２表、実験NO.８〜10に示す。The results are shown in Table 2 and Experiment Nos. 8-10.
実施例２ プレミツクス法による多孔性コンクリート成形体の製造 ポルトランドセメント30ｇに珪砂15ｇ、実施 例１と同様な釉薬30ｇを均一に混合し、水25ｍを加え
てセメントモルタルを製造した。Example 2 Production of Porous Concrete Molded Body by Premix Method 15 g of silica sand was added to 30 g of Portland cement. 30 g of the same glaze as in Example 1 was uniformly mixed, and 25 m of water was added to produce a cement mortar.
この中に蛋白質分解物〔モノクリート（第一化成産業
（株）製）〕10％水溶液１ｇを添加し、モルタルを泡立
機で攪拌、発泡させ、モルタルが嵩比重約1.0になるよ
うに測定しながら混練し、得られた発泡モルタルを径30
mm、長さ40mmの型に注入し、室温で１夜放置して硬化さ
せ脱型した。得られた発泡硬化体を電気炉に入れて加
熱、脱水した後に900℃で30分焼結して多孔性コンクリ
ート成形体を製造した。To this, 1 g of a 10% aqueous solution of a protein degradation product [Monocrete (manufactured by Daiichi Kasei Sangyo Co., Ltd.)] was added, and the mortar was stirred and foamed with a whisk to measure the bulk specific gravity of the mortar to about 1.0. While kneading, the resulting foamed mortar has a diameter of 30
It was poured into a mold having a size of 40 mm and a length of 40 mm, and left at room temperature overnight to cure and demold. The obtained foamed cured product was placed in an electric furnace, heated and dehydrated, and then sintered at 900 ° C. for 30 minutes to produce a porous concrete molded product.
得られた成形体は嵩比重が0.65、白色セラミツクス状で
独立気泡のセメント成形体であり、圧縮強度は55kg／cm
2であつた。The obtained molded product is a white ceramic-like, closed-cell cement molded product with a bulk specific gravity of 0.65 and a compressive strength of 55 kg / cm.
It was 2 .
実施例３ アルミニウム粉末発泡剤による多孔性コンクリート成形
体の製造 ポルトランドセメント、実施例１と同一組成の珪硼酸ソ
ーダジルコニア系釉薬、珪砂（サラワク産、300メッシ
ュパス100％）を採取し、均一に混合した。Example 3 Production of Porous Concrete Molded Body Using Aluminum Powder Blowing Agent Portland cement, sodium borosilicate zirconia-based glaze having the same composition as in Example 1, silica sand (produced in Sarawak, 300 mesh pass 100%) were sampled and uniformly mixed. did.
この混合物に水を加え混練してセメントモルタルを製造
した。このモルタル中にアルミニウム粉を混練し、径30
mm、高さ40mm、プラスチツク製型に流しこんだ。Water was added to this mixture and kneaded to produce cement mortar. Aluminum powder is kneaded into this mortar and the diameter is 30
mm, height 40 mm, poured into a plastic mold.
モルタルは徐々に発泡した。The mortar foamed gradually.
発泡終了後、表面を切断してキャッピングした。常温に
放置し硬化させ、約12時間後に脱型し、電気炉に入れ、
300℃で約５分加熱して脱水し、引続き900℃で30分焼結
した。After the foaming was completed, the surface was cut and capped. Let stand at room temperature to cure, remove from mold after about 12 hours, put in electric furnace,
It was dehydrated by heating at 300 ° C. for about 5 minutes, and subsequently sintered at 900 ° C. for 30 minutes.
各成分の採取量、水量、セメントモルタルおよび焼結後
の嵩比重、発泡による膨張率、焼結体の圧縮強度を第３
表（実験NO.11〜14）に示す。なお、膨張率は径約50mm
のポリエチレン製袋にモルタルを流しこみ、マークを付
け、発泡終了後の高さを測定して算出した。The amount of each component collected, the amount of water, cement mortar and bulk density after sintering, expansion coefficient due to foaming, compression strength of the sintered body
The results are shown in the table (Experiment No. 11-14). The expansion rate is about 50 mm in diameter
Mortar was poured into the polyethylene bag of No. 3, and a mark was added, and the height after completion of foaming was measured and calculated.
実施例４ 過酸化水素水発泡剤による多孔性コンクリート成形体の
製造 実施例１、実験NO.７による配合で製造した セメントモルタルの中に30％過酸化水素水３ｍ（セメ
ントに対して10重量％添加）を加えて良く混練し、実施
例３と同じプラスチツク製型に流しこんで放置したとこ
ろ、間もなく発泡が終了した。Example 4 Manufacture of Porous Concrete Molded Body Using Hydrogen Peroxide Foaming Agent Manufactured with the composition according to Example 1 and Experiment No. 7. 3 m of 30% hydrogen peroxide water (10% by weight added to cement) was added to cement mortar, kneaded well, poured into the same plastic mold as in Example 3, and allowed to stand, and foaming soon ended. .
上綿をカツトしキャツピングして常温に約12時間放置し
硬化した後に脱型し、電気炉で実施例３と同様に焼結し
た。The upper cotton was cut, capped, left at room temperature for about 12 hours to cure, then demolded, and sintered in the same manner as in Example 3 in an electric furnace.
嵩比重0.85、圧縮強度50kg／cm2の白色多孔性コンクリ
ート成形体を得た。A white porous concrete compact having a bulk specific gravity of 0.85 and a compressive strength of 50 kg / cm 2 was obtained.
実施例５ 加熱下に気泡を発生する発泡剤を使用した多孔性コンク
リート成形体の製造 ポルトランドセメント、珪砂微粉、実施例１の硼珪酸ソ
ーダジルコニア系釉薬、炭酸塩を均一に混合し、水を添
加したセメントモルタルを製造し、型に注入し、常温で
１夜放置して硬化させ、脱型した。Example 5 Production of Porous Concrete Molded Body Using Foaming Agent That Generates Bubbles Under Heating Portland cement, silica sand fine powder, sodium borosilicate zirconia-based glaze of Example 1 and carbonate were uniformly mixed, and water was added. The cement mortar was prepared, poured into a mold, left at room temperature overnight to cure, and then demolded.
得られた発泡硬化体を300℃で５分間脱水し、引続き昇
温して焼結し、連続気泡多孔質セラミツクス状コンクリ
ート成形体を得た。The obtained foamed cured product was dehydrated at 300 ° C. for 5 minutes, and subsequently heated to sinter to obtain an open-celled porous ceramic-like concrete molded product.
各成分の採取量、水量、焼結体の嵩比重、焼結体の圧縮
強度を第４表（実験No.15、16）に示す。Table 4 (Experiment Nos. 15 and 16) shows the amount of each component collected, the amount of water, the bulk specific gravity of the sintered body, and the compressive strength of the sintered body.
実施例６ 可燃物を発泡剤として使用した多孔性コンクリート成形
体の製造 ポルトランドセメント、珪砂微粉、下記ゼーゲル式組成
の釉薬、および発泡剤としての炭粉を採取し、均一に混
合し、水を加えてモルタルを製造し、径30mm、長さ400m
mの型に注入し表面をキャッピングした。Example 6 Production of Porous Concrete Molded Product Using Combustible Material as Foaming Agent Portland cement, silica sand fine powder, glaze of the following Zegel composition, and charcoal powder as a foaming agent were collected, uniformly mixed, and water was added. To produce mortar, diameter 30mm, length 400m
It was poured into a m-shaped mold and the surface was capped.
釉薬 Na2Ｏ 0.68 Ｂ２Ｏ３ 1.37 SiO２ 1.48 CaO 0.32 Pm 550℃、Sm 800℃。Glaze Na 2 O 0.68 B 2 O 3 1.37 SiO 2 1.48 CaO 0.32 Pm 550 ℃, Sm 800 ℃.
１夜常温で放置した硬化させ、脱型し、300℃で５分間
加熱脱水し、更に850℃で30分加熱して発泡させ、独立
気泡の多孔性セメント成形体を得た。The mixture was left to stand at room temperature overnight, cured, demolded, heated and dehydrated at 300 ° C. for 5 minutes, and further heated at 850 ° C. for 30 minutes for foaming to obtain a closed-cell porous cement molded body.
また、炭粉に代えて新聞紙から製造した廃パ ルプ（100℃乾燥品）細片を添加し、均一に混合して水
を加えてモルタルを製造し、同様に注型し、１夜常温に
放置して硬化させ、脱型後に300℃以下で15分間脱水し
た後、850℃で30分焼結し、白色の連続気泡多孔性セメ
ント成形体を得た。Also, instead of charcoal powder, waste paper produced from newspaper Lupe (100 ℃ dry product) is added, mixed evenly and water is added to produce mortar, which is cast in the same manner and left overnight at room temperature to cure, and after demolding at 300 ℃ or below. After dehydration for 15 minutes, sintering was performed at 850 ° C. for 30 minutes to obtain a white open-cell porous cement molded product.
更に、可燃性有機物としてナイロン長繊維を使用して同
様にモルタルを製造し、型に注入して硬化させ、300℃
で10分脱水し、続いて800℃で30分焼結して連続気泡多
孔性セメント成形体を得た。Furthermore, mortar was similarly produced using nylon long fibers as a combustible organic substance, poured into a mold and cured, and then heated at 300 ° C.
It was dehydrated for 10 minutes and then sintered at 800 ° C. for 30 minutes to obtain an open-celled porous cement compact.
それぞれの場合における各成分使用量、焼結後の嵩比重
および圧縮強度を第５表（実験NO.17〜19）に示す。Table 5 (Experiment Nos. 17 to 19) shows the amount of each component used, the bulk specific gravity after sintering and the compressive strength in each case.
実施例７ プレス成形加工による多孔性コンクリート成形体の製造 普通ポルトランドセメント30ｇ、珪砂粉（300メツシ
ユ）25ｇ、実施例１と同じ釉薬30ｇを均一に混合し、こ
れに実施例６と同一の可燃物を更 に混合し、次いで水12ｍ（水セメント比40％）を加え
て湿気のある粉体混合物を製造した。Example 7 Production of Porous Concrete Molded Body by Press Molding 30 g of ordinary Portland cement, 25 g of silica sand powder (300 mesh) and 30 g of the same glaze as in Example 1 were uniformly mixed, and the same combustible material as in Example 6 was mixed therein. Change And then 12 m of water (40% water cement ratio) was added to produce a damp powder mixture.
この粉体混合物10ｇを採取し、10mm×40mmの金型に深さ
約30mmに詰めこみ、上部から200kgの荷重をかけて成形
した。10 g of this powder mixture was sampled and packed in a mold of 10 mm × 40 mm to a depth of about 30 mm, and a load of 200 kg was applied from the top to mold.
得られた成形体を電気炉に装入し、約300℃において加
熱脱水（約２〜３分間）し、続いて900℃に昇温して30
分焼結して白色セラミツクス様の多孔性コンクリート成
形体（寸法10×40×約10mm）を製造した。The obtained molded body is charged into an electric furnace, heated and dehydrated at about 300 ° C (for about 2 to 3 minutes), and then heated to 900 ° C to 30 ° C.
Minute sintering was performed to produce a white ceramic-like porous concrete compact (size 10 × 40 × about 10 mm).
焼結後の圧縮強度を第６表（実験NO.20〜23）に示す。The compression strength after sintering is shown in Table 6 (Experiment No. 20 to 23).
なお第６表において、実験NO.20は得られた焼結体に実
施例１の釉薬を施釉し、更に800℃で15分焼結した場合
を示す。In Table 6, Experiment No. 20 shows a case where the obtained sintered body was glazed with the glaze of Example 1 and further sintered at 800 ° C. for 15 minutes.
また実験NO.23は、発泡剤としての可燃物を添加せずに
焼結し、更に実験NO.20と同様に施釉、焼結した場合の
例である。Experiment No. 23 is an example of sintering without adding a combustible material as a foaming agent, and further glazing and sintering as in Experiment No. 20.
実施例８ 樹脂含浸多孔性セメント成形体の製造(1) アクリル樹脂〔ダイヤナールLR469（トルエン溶媒、固
体36％）、三菱レーヨン（株）製〕100ｇのトルエン50
ｍ溶液をステンレス容器に採取し、この中に前記第３
表（実施例３）、実験番号13によつて得られた多孔性セ
メント成形体を入れ、成形体上に重しを置き、デシケー
ター中で水流ポンプで減圧（約100mmHg）下に10分間保
持して多孔性セメント成形体に樹脂を含浸させた。Example 8 Production of resin-impregnated porous cement compact (1) Acrylic resin [Dianal LR469 (toluene solvent, solid 36%), Mitsubishi Rayon Co., Ltd.] 100 g of toluene 50
m solution was sampled in a stainless steel container, in which the third
The porous cement molded body obtained according to Table (Example 3), Experiment No. 13 was put, a weight was placed on the molded body, and the mixture was kept under reduced pressure (about 100 mmHg) with a water pump in a desiccator for 10 minutes. The porous cement compact was impregnated with resin.
これを取り出した後に大気中に１週刊放置乾燥し、圧縮
強度および空隙率を測定した。After taking out this, it was left to dry in the air for 1 week, and the compressive strength and the porosity were measured.
結果を第７表（実験NO.24）に示す。The results are shown in Table 7 (Experiment No. 24).
実施例９ 樹脂含浸多孔性セメント成形体の製造(2) ポリオルガノシロキサン樹脂溶液〔グラスレジンGR−15
0（昭和電工（株）製）50％エタノール溶液（硬化剤と
してギ酸4%を添加）〕に、前記第１表（実施例１）、実
験番号３および第１表（実施例１）、実験番号６で得ら
れた多孔性成形体をそれぞれ浸積し、デジケーター中で
約150mmHgに５分間保持し、樹脂を含浸させた。Example 9 Production of Resin-impregnated Porous Cement Molded Product (2) Polyorganosiloxane Resin Solution [Glass Resin GR-15
0 (Showa Denko KK) 50% ethanol solution (4% formic acid was added as a curing agent)], Table 1 (Example 1), Experiment No. 3 and Table 1 (Example 1), experiment Each of the porous molded bodies obtained in No. 6 was immersed and held in a dicator at about 150 mmHg for 5 minutes to impregnate the resin.
しかる後に大気中で１夜放置して乾燥し、150℃乾燥機
中で30分シロキサン樹脂を硬化させた。Then, it was left to stand in the air overnight and dried, and the siloxane resin was cured for 30 minutes in a 150 ° C. dryer.
得られた樹脂含浸多孔性セメント成形体の圧縮強度、空
隙率の変化を第８表（実験NO.25）に示す。The changes in compressive strength and porosity of the obtained resin-impregnated porous cement molded product are shown in Table 8 (Experiment No. 25).
また、同様に第２表（実施例１）、実験番号８で得られ
た多孔性セメント成形体（嵩比重0.45）をスノーテツク
ス−20〔ベントナイト・ベンゲル（豊順洋行社製）１％
添加〕100ｍに積層し、デシケーター中、水流ポンプ
減圧下（120mmHg）に５分間保持し、これを取り出し乾
燥する操作を２回繰り返したところ、空隙率13、圧縮強
度150kg／cm2を示した。Similarly, in Table 2 (Example 1), the porous cement molded product (bulk specific gravity 0.45) obtained in Experiment No. 8 was used as Snowtex-20 [bentonite benger (Toyojunyo Corp.) 1%
Addition] Layers were laminated to 100 m, held for 5 minutes in a desiccator under reduced pressure of a water pump (120 mmHg), taken out and dried. This operation was repeated twice, and a porosity of 13 and a compressive strength of 150 kg / cm 2 were shown.
実施例10 無機質バインダー含浸多孔性セメント成形体の製造 前記第１表（実施例１）実験番号２で得られた多孔性セ
メント成形体（嵩比重0.48）を無機質バインダー〔例え
ばボンドエツクス64（日産化学（株）製〕の泥漿状水溶
液中に入れ、デシケー ター中、水流ポンプ減圧下（150mmHg）に15分間保持し
た後に取り出し、室温３時間乾燥後、90℃で１時間保持
し、次いで300℃乾燥機中で１時間加熱した。Example 10 Production of Porous Cement Molded Body Impregnated with Inorganic Binder The porous cement molded body (bulk specific gravity 0.48) obtained in Experiment No. 2 in Table 1 (Example 1) was mixed with an inorganic binder [eg Bondex 64 (Nissan Chemical Co., Ltd.). (Made by Co., Ltd.) After being kept under reduced pressure (150 mmHg) in a water pump for 15 minutes in the container, taken out, dried at room temperature for 3 hours, kept at 90 ° C for 1 hour, and then heated in a 300 ° C dryer for 1 hour.
空隙のほとんどない、白色セラミツクス状セメント成形
体を得た。A white ceramic-like cement compact having almost no voids was obtained.
圧縮強度は350kg／cm2であつた。The compressive strength was 350 kg / cm 2 .
実施例11 多孔性コンクリート積層成形体の製造（モルタル注型） 前記第１表（実施例１）、実験番号７で得られた気泡を
含まないセメントモルタルを、径約30mm、高さ40mmの型
に厚み約５mmで注型し、これを放置して硬化した後に第
１表（実施例１）、実験番号３で得られたモルタルを厚
み約30mmで流しこんで積層し、更に最上層に再び第１表
（実施例１）、実験番号７で得られるモルタルを流しこ
み１夜放置して硬化させた。Example 11 Production of Porous Concrete Laminated Molded Body (Mortar Casting) The cement mortar containing no air bubbles obtained in Table 1 (Example 1), Experiment No. 7 was molded into a mold having a diameter of about 30 mm and a height of 40 mm. Then, the mortar obtained in Experiment No. 3 in Table 1 (Example 1) was cast into a layer having a thickness of about 30 mm, which was then poured and laminated. The mortar obtained in Experiment No. 7 in Table 1 (Example 1) was poured and left to cure overnight.
脱型後、得られた積層硬化体を電気炉中で300℃で５分
加熱し、引続き850℃で30分焼結して多孔性白色コンク
リート積層成形体を得た。焼結後の圧縮強度を第９表
（実験NO.26）に示す。After demolding, the obtained laminated hardened body was heated in an electric furnace at 300 ° C. for 5 minutes and then sintered at 850 ° C. for 30 minutes to obtain a porous white concrete laminated body. The compression strength after sintering is shown in Table 9 (Experiment No. 26).
また、同様にして製造した三層積層成形体（実験27）、
二層積層成形体（実験NO.28）の焼結強度を第９表に併
記する。In addition, a three-layer laminated molded body manufactured in the same manner (Experiment 27),
The sintering strength of the two-layer laminated compact (Experiment No. 28) is also shown in Table 9.
また、得られた積層成形体（実験No.26）に実施例９と
同様にしてシリコン樹脂を含浸させ、加熱硬化させた。
このももの圧縮強度を第９表に併記する。Further, the obtained laminated compact (Experiment No. 26) was impregnated with a silicone resin in the same manner as in Example 9 and cured by heating.
The compressive strength of this thigh is also shown in Table 9.
実施例12 多孔性コンクリート積層成形体の製造（粉末プレス成
形） 実施例７で使用した金型の最下層に実験NO.23（実施例
７、第６表）のコンクリート成形体の配合粉末３ｇを入
れ、平らにならした上に実験No.20、（実施例７、第６
表）の配合粉末４ｇを入れ、平らにならした上に更に実
験NO.23、（実施例７、第６表）の配合粉末３ｇを入
れ、平らにならした後、全体を400kgの荷重でプレ ス成形した。Example 12 Production of Porous Concrete Laminated Molded Product (Powder Press Molding) 3 g of the compound powder of the concrete molded product of Experiment No. 23 (Example 7, Table 6) was added to the bottom layer of the mold used in Example 7. Experiment No. 20, (Example 7, No. 6)
4 g of the compounded powder of Table) was added and flattened, and 3 g of the compounded powder of Experiment No. 23, (Example 7, Table 6) was further added, and after leveling, the whole was pre-loaded with a load of 400 kg. Molded.
この三層積層成形体を電気炉に入れて昇温（約40分）
し、900℃、30分焼結して白色セラミツクス状の多孔性
セメント積層成形体を得た。This three-layer laminated compact is placed in an electric furnace and heated (about 40 minutes)
Then, the mixture was sintered at 900 ° C. for 30 minutes to obtain a white ceramic-like porous cement laminated body.
この積層成形体の圧縮強度および実施例９と同様にして
無機接着剤ボンドエツクス含浸、加熱硬化後の圧縮強度
を第10表（実験NO.29）に示す。Table 10 (Experiment No. 29) shows the compressive strength of this laminated molded article and the compressive strength after impregnation with an inorganic adhesive bondexx and heat curing in the same manner as in Example 9.
実施例13 凍結ヒビ割れ現象に関する試験 プレス成形による製造した多孔性コンクリート成形体の
ポリマーを含浸体（実施例７、実施例８）、および先に
本発明者が提案したセメント成形体（実験NO.22）に施
釉したものについて、30×40×10（厚み）mmの試験片を
作り、凍結ヒビ割れ試験を行つた。Example 13 Test on Freezing Cracking Phenomenon impregnated with a polymer of a porous concrete molded body produced by press molding (Examples 7 and 8), and a cement molded body previously proposed by the inventor (Experiment NO. 22 ×), 30 × 40 × 10 (thickness) mm test pieces were made and the frozen crack test was performed.
試験片を密閉ガラス容器に入れ、水を入れて水浸した状
態で室温、約10mmHg減圧下に５時間保持した。The test piece was placed in a closed glass container, and was immersed in water and was kept at room temperature under reduced pressure of about 10 mmHg for 5 hours.
これを取り出して水分をよく拭きとり、液体窒素中に１
分入れて室温に取り出し、ヒビ割れの有無を肉眼観察し
たところ、何れの試験片もヒビ割れ発生なし（評価０
点）を示した。Take it out, wipe off the water well, and put it in liquid nitrogen.
The test pieces were put in a room temperature, taken out at room temperature, and visually inspected for cracks. No cracks were found on any of the test pieces (evaluation 0.
Points).
Claims (30)
を含むセメントモルタル硬化体の焼結体であり、該発泡
セメントモルタル硬化体または発泡剤を含むセメントモ
ルタル硬化体は少なくともセメント7.5〜65重量％、砂1
0〜85重量％および釉薬7.5〜80重量％を含有することを
特徴とする多孔性コンクリート成形体。1. A sintered body of a foamed cement mortar hardened body or a cement mortar hardened body containing a foaming agent, wherein the foamed cement mortar hardened body or the cement mortar hardened body containing a foaming agent is at least 7.5 to 65% by weight of cement, Sand 1
A porous concrete compact characterized by containing 0-85% by weight and 7.5-80% by weight of glaze.
内に合成樹脂を含有する請求項１記載の多孔性コンクリ
ート成形体。2. The porous concrete molded body according to claim 1, wherein the porous concrete molded body further contains a synthetic resin in cells.
内に無機質バインダーを含有する請求項１記載の多孔性
コンクリート成形体。3. The porous concrete molding according to claim 1, wherein the porous concrete molding further contains an inorganic binder in the cells.
を含むセメントモルタル硬化体の焼結体であり、該発泡
セメントモルタル硬化体または発泡剤を含むセメントモ
ルタル硬化体は少なくともセメント7.5〜65重量％、鉱
物粉およびセラミツクス粉からなる群から選ばれた少な
くとも１種の材料と砂との混合物10〜85重量％および釉
薬7.5〜80重量％を含有することを特徴とする多孔性コ
ンクリート成形体。4. A sintered body of a foamed cement mortar hardened body or a cement mortar hardened body containing a foaming agent, wherein the foamed cement mortar hardened body or the cement mortar hardened body containing a foaming agent is at least 7.5 to 65% by weight of cement. A porous concrete compact characterized by containing 10 to 85% by weight of a mixture of sand and at least one material selected from the group consisting of mineral powder and ceramic powder and 7.5 to 80% by weight of glaze.
内に合成樹脂を含有する請求項４記載の多孔性コンクリ
ート成形体。5. The porous concrete molded body according to claim 4, wherein the porous concrete molded body further contains a synthetic resin in the cells.
内に無機質バインダーを含有する請求項４記載の多孔性
コンクリート成形体。6. The porous concrete molding according to claim 4, wherein the porous concrete molding further contains an inorganic binder in the cells.
〜85重量％および釉薬7.5〜80重量％からなる配合混合
物に水を加えてセメントモルタルを製造し、該セメント
モルタルをプレフオーム法またはプレミツクス法により
発泡させ、これを成形し硬化させて得られた発泡セメン
トモルタル硬化体を焼結することを特徴とする多孔性コ
ンクリート成形体の製造方法。7. At least 7.5-65% by weight cement, 10 sand
~ 85% by weight and 7.5-80% by weight of glaze to prepare cement mortar by adding water, and the cement mortar is foamed by the preform method or premix method, which is then molded and cured to obtain the foamed material. A method for producing a porous concrete molded body, which comprises sintering a hardened cement mortar.
泡剤を加えて発泡させ、これを成形し硬化させて得られ
た発泡セメントモルタル硬化体を焼結する請求項７記載
の多孔性コンクリート成形体の製造方法。8. A porous concrete molded body according to claim 7, wherein a foaming agent for generating a gas is added to the cement mortar to foam it, and the cement mortar is molded and cured to sinter the cured cement mortar cured product. Manufacturing method.
生する発泡剤を加え、成形し硬化させて得られたセメン
トモルタル硬化体を焼結すると同時に発泡させる請求項
７記載の多孔性コンクリート成形体の製造方法。9. A porous concrete molding according to claim 7, wherein a foaming agent that generates a gas under heating is added to the cement mortar, and the cement mortar hardened body obtained by molding and hardening is sintered and simultaneously foamed. Manufacturing method.
孔形成材を加え、成形し硬化させて得られたセメントモ
ルタル硬化体を焼結する請求項７記載の多孔性コンクリ
ート成形体の製造方法。10. The method for producing a porous concrete molded body according to claim 7, wherein a combustible substance or a pore-forming material is added to the cement mortar, and the cement mortar cured body obtained by molding and curing is sintered.
脂または無機質バインダーを含浸させ、該合成樹脂また
は無機質バインダーを硬化させる請求項７、８、９また
は10記載の多孔性コンクリート成形体の製造方法。11. The method for producing a porous concrete molded body according to claim 7, 8, 9 or 10, wherein the porous concrete molded body is impregnated with a synthetic resin or an inorganic binder to cure the synthetic resin or the inorganic binder.
物粉およびセラミツクス粉からなる群から選ばれた少な
くとも１種の材料と砂との混合物10〜85重量％および釉
薬7.5〜80重量％からなる配合混合物に水を加えてセメ
ントモルタルを製造し、該セメントモルタルをプレフオ
ーム法またはプレミツクス法により発泡させ、これを成
形し硬化させて得られた発泡セメントモルタル硬化体を
焼結することを特徴とする多孔性コンクリート成形体の
製造方法。12. A blend comprising at least 7.5-65% by weight of cement, 10-85% by weight of a mixture of sand with at least one material selected from the group consisting of mineral powder and ceramic powder, and 7.5-80% by weight of glaze. Cement mortar is produced by adding water to a mixture, the cement mortar is foamed by a preform method or a premix method, and this is molded and cured to obtain a sintered cement mortar cured product, which is characterized by sintering. For producing a water-resistant concrete compact.
発泡剤を加えて発泡させ、これを成形し硬化させて得ら
れた発泡セメントモルタル硬化体を焼結する請求項12記
載の多孔性コンクリート成形体の製造方法。13. The porous concrete molded product according to claim 12, wherein a foaming agent that generates a gas is added to the cement mortar to foam it, and this is molded and cured to sinter the cured cement mortar cured product. Manufacturing method.
発生する発泡剤を加え、成形し硬化させて得られたセメ
ントモルタル硬化体を焼結すると同時に発泡させる請求
項12記載の多孔性コンクリート成形体の製造方法。14. A porous concrete molded product according to claim 12, wherein a foaming agent that generates a gas under heating is added to the cement mortar, and the cement mortar cured product obtained by molding and curing is sintered and simultaneously foamed. Manufacturing method.
孔形成材を加え、成形し硬化させて得られたセメントモ
ルタル硬化体を焼結すると同時に発泡させる請求項12記
載の多孔性コンクリート成形体の製造方法。15. The method for producing a porous concrete molded body according to claim 12, wherein a combustible substance or a pore-forming material is added to the cement mortar, and the cement mortar cured body obtained by molding and curing is sintered and simultaneously foamed. Method.
脂または無機質バインダーを含浸させ、該合成樹脂また
は無機質バインダーを硬化させる請求項12、13、14または
15記載の多孔性コンクリート成形体の製造方法。16. The synthetic resin or inorganic binder is impregnated into the porous concrete molded body, and the synthetic resin or inorganic binder is cured.
15. The method for producing a porous concrete molded body according to 15.
剤を含むセメントモルタル硬化体の積層焼結体であり、
該発泡セメントモルタル硬化体または発泡剤を含むセメ
ントモルタル硬化体の積層体は少なくともセメント7.5
〜65重量％、砂10〜85重量％および釉薬7.5〜80重量％
を含有することを特徴とする多孔性コンクリート積層成
形体。17. A laminated sintered body of a hardened cement mortar or a hardened cement mortar containing a foaming agent,
The foamed cement mortar cured product or the laminated body of the cement mortar cured product containing a foaming agent is at least cement 7.5.
~ 65 wt%, sand 10-85 wt% and glaze 7.5-80 wt%
A porous concrete laminated body characterized by containing:
なくとも一つの外層に無泡セメントモルタル硬化体の焼
結体を有し、該無泡セメントモルタル硬化体は少なくと
もセメント7.5〜65重量％、砂10〜85重量％および釉薬
7.5〜80重量％を含有する請求項17記載の多孔性コンク
リート積層成形体。18. The porous concrete laminated body has at least one outer layer of a sintered body of a non-foam cement mortar hardened body, wherein the non-foam cement mortar hardened body is at least 7.5 to 65% by weight cement and 10% sand. ~ 85% by weight and glaze
The porous concrete laminated body according to claim 17, which contains 7.5 to 80% by weight.
0〜85重量％および釉薬7.5〜80重量％からなる配合混合
物に水を加え、得られたセメントモルタルをプレフオー
ム法またはプレミツクス法で発泡させて発泡セメントモ
ルタルを製造し、この発泡セメントモルタルを注型して
第１セメント層を形成し、次いで前記発泡セメントモル
タルを該第１セメント層上に注型して第２セメント層を
形成し、以下同様の操作を繰り返して複数のセメント層
を形成し、これを脱型し焼結することを特徴とする多孔
性コンクリート積層成形体の製造方法。19. At least 7.5-65% by weight cement, 1 sand
Water is added to a mixture mixture consisting of 0 to 85% by weight and glaze of 7.5 to 80% by weight, and the obtained cement mortar is foamed by a preform method or a premix method to produce a foamed cement mortar, and this foamed cement mortar is cast. To form a first cement layer, then the foamed cement mortar is cast onto the first cement layer to form a second cement layer, and the same operation is repeated to form a plurality of cement layers, A method for producing a porous concrete laminate molding, which comprises demolding and sintering.
タルを注型した後に、セメント7.5〜65重量％、砂10〜8
5重量％および釉薬7.5〜80重量％を含有するセメントモ
ルタルを少なくとも最上層上に注型し、全積層体を脱型
し焼結することを特徴とする請求項18記載の多孔性コン
クリート積層成形体の製造方法。20. After casting the foamed aerated cement mortar in the uppermost layer, 7.5-65% by weight cement, 10-8 sand
The cement concrete mortar containing 5% by weight and 7.5-80% by weight of glaze is cast on at least the uppermost layer, and the entire laminate is demolded and sintered to form a porous concrete laminate. Body manufacturing method.
発泡剤を加え発泡させて発泡セメントモルタルを製造
し、この発泡セメントモルタルを注型して複数のセメン
ト層を形成する請求項18または19記載の多孔性コンクリ
ート積層成形体の製造方法。21. A foamed cement mortar is produced by adding a foaming agent that generates a gas to the cement mortar to foam it, and the foamed cement mortar is cast to form a plurality of cement layers. A method for manufacturing a porous concrete laminate.
発生する発泡剤を加えて得られたモルタル混合物を注型
して複数のセメント層を形成し、これを脱型、焼結して
前記発泡剤を発泡させる請求項18または19記載の多孔性
コンクリート積層成形体の製造方法。22. A plurality of cement layers are formed by casting a mortar mixture obtained by adding a foaming agent that generates a gas under heating to the cement mortar, and demolding and sintering the cement layers to form the foam. 20. The method for producing a porous concrete laminated body according to claim 18, wherein the agent is foamed.
孔形成材を加えて得られるモルタル混合物を注型して複
数のセメント層を形成し、これを脱型、焼結する請求項
18または19記載の多孔性コンクリート積層成形体の製造
方法。23. A mortar mixture obtained by adding a combustible substance or a pore-forming material to the cement mortar is cast to form a plurality of cement layers, which are demolded and sintered.
18. A method for producing a porous concrete laminated body according to 18 or 19.
は発泡剤を含むセメントモルタル硬化体の積層焼結体で
あり、該発泡セメントモルタル硬化体または発泡剤を含
むセメントモルタル硬化体の積層体は少なくともセメン
ト7.5〜65重量％、鉱物粉およびセラミツクス粉からな
る群から選ばれた少なくとも１種の材料と砂との混合物
10〜85重量％および釉薬7.5〜80重量％を含有すること
を特徴とする多孔性コンクリート積層成形体。24. A laminated sintered body of a plurality of hardened cement mortar or a hardened cement mortar containing a foaming agent, wherein the laminate of the hardened foamed cement mortar or a hardened cement mortar containing a foaming agent is at least cement. 7.5-65% by weight, a mixture of sand and at least one material selected from the group consisting of mineral powder and ceramic powder
A porous concrete laminated body characterized by containing 10 to 85% by weight and 7.5 to 80% by weight of glaze.
なくとも一つの外層に無泡セメントモルタル硬化体の焼
結体を有し、該無泡セメントモルタル硬化体が少なくと
もセメント7.5〜65重量％、鉱物粉およびセラミツクス
粉からなる群から選ばれた少なくとも１種の材料と砂と
の混合物10〜85重量％および釉薬7.5〜80重量％を含有
する請求項23記載の多孔性コンクリート積層成形体。25. The porous concrete laminated body has at least one outer layer of a sintered body of a non-foam cement mortar hardened body, wherein the non-foam cement mortar hardened body is at least 7.5 to 65% by weight of cement, and a mineral powder. 24. A porous concrete laminate according to claim 23, which comprises 10 to 85% by weight of a mixture of sand and at least one material selected from the group consisting of ceramic powder and 7.5 to 80% by weight of glaze.
物粉およびセラミツクス粉からなる群から選ばれた少な
くとも１種の材料と砂との混合物10〜85重量％および釉
薬7.5〜80重量％からなる配合混合物に水を加え、得ら
れたセメントモルタルをプレフオーム法またはプレミツ
クス法で発泡させて発泡セメントモルタルを製造し、こ
の発泡セメントモルタルを注型して第１セメント層を形
成し、前記発泡セメントスラリーを該第１セメント層に
積層して第２セメント層を形成し、以下同様の操作を繰
り返して複数のセメント層を形成し、これを脱型、焼結
することを特徴とする多孔性コンクリート積層成形体の
製造方法。26. A mixture comprising at least 7.5-65% by weight of cement, 10-85% by weight of a mixture of sand with at least one material selected from the group consisting of mineral powder and ceramic powder, and 7.5-80% by weight of glaze. Water is added to the mixture, the obtained cement mortar is foamed by a preform method or a premix method to produce a foamed cement mortar, the foamed cement mortar is cast to form a first cement layer, and the foamed cement slurry is Porous concrete laminate molding characterized by forming a second cement layer by laminating on the first cement layer, repeating the same operation to form a plurality of cement layers, and demolding and sintering the cement layers. Body manufacturing method.
型した後に、セメント7.5〜65重量％、鉱物粉およびセ
ラミツクス粉からなる群から選ばれた少なくとも１種の
材料と砂との混合物10〜85重量％および釉薬7.5〜80重
量％からなる配合混合物に水を加え、得られたセメント
モルタルを少なくとも最上層上に注型し、これを脱型し
焼結することを特徴とする請求項26記載の多孔性コンク
リート積層成形体の製造方法。27. A mixture 10-85 of sand with at least one material selected from the group consisting of cement 7.5-65% by weight, mineral powder and ceramic powder after casting the foamed cement mortar of the uppermost layer. 27. Water is added to a blended mixture consisting of wt.% And glaze 7.5-80 wt.%, The resulting cement mortar is cast onto at least the uppermost layer, which is demolded and sintered. A method for producing a porous concrete laminated body of the above.
発泡剤を加え発泡させて発泡セメントモルタルを製造
し、この発泡セメントモルタルを注型して複数のセメン
ト層を形成し、これを脱型、焼結する請求項26または27
記載の多孔性コンクリート積層成形体の製造方法。28. A foaming agent that generates a gas is added to the cement mortar to foam the cement mortar, and the foamed cement mortar is cast to form a plurality of cement layers, which are demolded and fired. Claim 26 or 27
A method for producing the porous concrete laminated body described.
発生する発泡剤を加えて得られたモルタル混合物を注型
して複数のセメント層を形成し、これを脱型、焼結して
前記発泡剤を発泡させる請求項26または27記載の多孔性
コンクリート積層成形体の製造方法。29. A mortar mixture obtained by adding a foaming agent for generating a gas under heating to the cement mortar is cast to form a plurality of cement layers, which are demolded and sintered to form the foam. 28. The method for producing a porous concrete laminate according to claim 26, wherein the agent is foamed.
孔形成材を加え、得られたモルタル混合物を注型して複
数のセメント層を形成し、これを脱型、焼結する請求項
26または27記載の多孔性コンクリート積層成形体の製造
方法。30. A flammable material or a pore-forming material is added to the cement mortar, the resulting mortar mixture is cast to form a plurality of cement layers, and the cement layers are demolded and sintered.
26. A method for producing a porous concrete laminated body according to 26 or 27.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12703988A JPH0643272B2 (en) | 1988-05-26 | 1988-05-26 | Porous concrete compact and method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12703988A JPH0643272B2 (en) | 1988-05-26 | 1988-05-26 | Porous concrete compact and method for producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01298079A JPH01298079A (en) | 1989-12-01 |
| JPH0643272B2 true JPH0643272B2 (en) | 1994-06-08 |
Family
ID=14950123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12703988A Expired - Lifetime JPH0643272B2 (en) | 1988-05-26 | 1988-05-26 | Porous concrete compact and method for producing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0643272B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08109871A (en) * | 1994-10-01 | 1996-04-30 | Korea Inst Of Machinery & Metals | Variable displacement mechanism of swash plate type hydraulic pump / motor |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992018436A1 (en) * | 1991-04-16 | 1992-10-29 | Ascher Gerard | Method for producing a product made of a lightweight material, and material having controlled physical properties thereby obtained |
| CN111960747A (en) * | 2020-07-06 | 2020-11-20 | 徐媚 | Modified concrete and preparation method thereof, heat-insulating decorative plate and preparation method and application thereof |
| CN116354744B (en) * | 2023-04-28 | 2024-03-01 | 湖北工业大学 | A kind of titanium dioxide antibacterial self-cleaning no-fire glaze and its use method |
| CN118652091B (en) * | 2024-05-29 | 2025-03-07 | 北京市建筑工程研究院有限责任公司 | Preparation method of composite wind power tower foundation slurry mortar |
-
1988
- 1988-05-26 JP JP12703988A patent/JPH0643272B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08109871A (en) * | 1994-10-01 | 1996-04-30 | Korea Inst Of Machinery & Metals | Variable displacement mechanism of swash plate type hydraulic pump / motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01298079A (en) | 1989-12-01 |
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