JPH0813709B2 - Admixture for lightweight mortar - Google Patents
Admixture for lightweight mortarInfo
- Publication number
- JPH0813709B2 JPH0813709B2 JP32086187A JP32086187A JPH0813709B2 JP H0813709 B2 JPH0813709 B2 JP H0813709B2 JP 32086187 A JP32086187 A JP 32086187A JP 32086187 A JP32086187 A JP 32086187A JP H0813709 B2 JPH0813709 B2 JP H0813709B2
- Authority
- JP
- Japan
- Prior art keywords
- admixture
- item
- lightweight mortar
- mortar according
- fiber
- 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
Landscapes
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、軽量モルタル用の混和材に関するものであ
る。The present invention relates to an admixture for lightweight mortar.
従来、軽量モルタルは、予め水硬性の硬化材料と軽量
骨材とをプレミックスした粉体状の製品を水等の液体と
混合して製造されている。Conventionally, a lightweight mortar is manufactured by mixing a powdered product in which a hydraulic setting material and a lightweight aggregate are premixed with a liquid such as water.
このため、その性質は、プレミックスされた硬化材料
によってほぼ規定される。Therefore, its properties are largely defined by the premixed cured material.
その一例を挙げると、マトリックスとして普通ポルト
ランドセメントを主材としたものであれば、水を加えて
セメントモルタルである。As an example, a cement mortar obtained by adding water if the matrix is mainly composed of ordinary Portland cement.
又、従来の軽量モルタルとしては、軽量化を図るため
に例えばパーライトを添加したパーライトモルタルが知
られている。このパーライトモルタルの性質をセメント
との容積比配合に基づいて示すと次の通りとなる。セメ
ント1:パーライト３の場合、曲げ強度（４週間）29.7Kg
f/cm2、圧縮強さ（４週間）116Kgf/cm2、気乾比重1.0
6、熱伝導率0.18Kcal/m.h℃、セメント1:パーライト４
の場合、曲げ強度（４週間）26.2Kgf/cm2、圧縮強さ
（４週間）94Kgf/cm2、気乾比重0.95、熱伝導率0.16Kca
l/m.h℃。As a conventional lightweight mortar, pearlite mortar to which pearlite is added in order to reduce the weight is known. The properties of this pearlite mortar are shown below based on the volume ratio mixture with cement. Cement 1: In case of pearlite 3, bending strength (4 weeks) 29.7Kg
f / cm 2 , compressive strength (4 weeks) 116 Kgf / cm 2 , air-dry specific gravity 1.0
6, thermal conductivity 0.18Kcal / mh ℃, cement 1: pearlite 4
In the case of, flexural strength (4 weeks) 26.2 Kgf / cm 2 , compressive strength (4 weeks) 94 Kgf / cm 2 , air-dry specific gravity 0.95, thermal conductivity 0.16 Kca
l / mh ° C.
然し、パーライト自体の比重が0.5〜0.7であるため、
通常では、比重が0.8〜1.4程度のものしか使用されてい
ない。そして、この軽量モルタルの比重を更に小さくし
ようとすると、強度が低下し、施工上からも実用に供し
得なくなる虞がある。However, since the specific gravity of perlite itself is 0.5-0.7,
Normally, only those with a specific gravity of 0.8 to 1.4 are used. Further, if the specific gravity of this lightweight mortar is further reduced, the strength is lowered and there is a possibility that it cannot be put to practical use in terms of construction.
更に、従来の断熱性等を考慮した現場発泡の超軽量モ
ルタル等は、強度的に問題があると共に施工性に難があ
った。Further, the conventional ultra-lightweight mortar or the like that is foamed in-situ in consideration of heat insulation has a problem in strength and has a difficulty in construction.
このように、プレミックスした粉体で軽量化を図ると
いう従来方式では、断熱性を有する不燃性の超軽量モル
タル、弾性モルタル、超軽量モルタル板等の要請に応え
ることが出来ない。As described above, the conventional method of reducing the weight with the premixed powder cannot meet the demand for a non-combustible ultralight mortar, an elastic mortar, an ultralight mortar plate and the like having heat insulating properties.
そこで、本発明者は、斯かる従来の問題点を解決する
ために種々研究の結果、マトリックスとなる硬化材料の
配合によって軽量化を図るという従来方式に代えて、混
和材を入れることによって軽量化を図ることが出来るこ
とを見出した。Therefore, as a result of various studies in order to solve such conventional problems, the present inventor reduced the weight by adding an admixture instead of the conventional method of reducing the weight by blending a curable material serving as a matrix. I found that you can achieve.
本発明は斯かる知見に基づいて為されたもので、その
目的は、軽量モルタルの比重を任意に変えることが出来
る軽量モルタル用混和材を提供することにある。The present invention has been made based on such knowledge, and an object thereof is to provide an admixture for a lightweight mortar capable of arbitrarily changing the specific gravity of the lightweight mortar.
本発明に係る軽量モルタル用混和材は、超微粒中空発
泡体と、微細な繊維と、合成樹脂エマルジョンと、増粘
剤とから成るものである。The admixture for lightweight mortar according to the present invention comprises an ultrafine hollow foam, fine fibers, a synthetic resin emulsion, and a thickener.
本発明に於て、超微粒中空発泡体としては、例えば粒
径10〜100μｍの有機マイクロバルーン、粒径５〜200μ
ｍのセラミックスバルーン等の無機マイクロバルーン等
がある。そして、超微粒中空発泡体の比重は、有機マイ
クロバルーンでは0.04以下、無機マイクロバルーンでは
0.3〜0.7である。In the present invention, examples of the ultrafine hollow foam include organic microballoons having a particle size of 10 to 100 μm and particle sizes of 5 to 200 μm.
There are inorganic microballoons such as ceramics balloons of m. And, the specific gravity of the ultrafine hollow foam is 0.04 or less in the organic microballoon, and in the inorganic microballoon.
It is 0.3 to 0.7.
又、微細な繊維としては、例えば炭素繊維，ガラス繊
維，ポリプロピレン，ビニロン，アクリロニトリル，セ
ルロース等の天然又は合成の無機又は有機繊維、石綿，
アルミナ繊維，ロックウール等の各種天然又は合成の無
機又は有機繊維である。そして、その長さは、目的によ
って異なるが、通常は6mm程度である。Examples of fine fibers include carbon fibers, glass fibers, polypropylene, vinylon, acrylonitrile, cellulose, and other natural or synthetic inorganic or organic fibers, asbestos,
It is various natural or synthetic inorganic or organic fibers such as alumina fibers and rock wool. The length is usually about 6 mm, though it depends on the purpose.
更に、合成樹脂エマルジョンとしては、アクリル系，
酢酸ビニール系，合成ゴム系，塩化ビニリデン系，塩化
ビニル系又はこれらの混合系である。その一例を挙げる
と、エチレン酢酸ビニール、アクリルスチレン、スチレ
ン−ブタジエン−ラバー等がある。Furthermore, as a synthetic resin emulsion, acrylic type,
It is a vinyl acetate type, a synthetic rubber type, a vinylidene chloride type, a vinyl chloride type or a mixture thereof. Examples thereof include ethylene vinyl acetate, acrylic styrene, and styrene-butadiene-rubber.
又、増粘剤としては、メチルセルローズ、ポリビニル
アルコール、ヒドロキシエチルセルローズ等の水溶性高
分子化合物がある。As the thickener, there are water-soluble polymer compounds such as methyl cellulose, polyvinyl alcohol and hydroxyethyl cellulose.
本発明に係る軽量モルタル用混和材は、半液体状を為
している。そして、通常は例えば第１図に示す如く、先
ず、合成樹脂エマルジョンに、微量の水溶性高分子化合
物と水とから成る増粘材を加えて混練し、この混合物に
微細な繊維と超微粒中空発泡体を２回に分けて混合，混
練して製造される。The admixture for lightweight mortar according to the present invention is in a semi-liquid state. Usually, as shown in FIG. 1, for example, first, a synthetic resin emulsion is first kneaded by adding a thickening agent composed of a trace amount of a water-soluble polymer compound and water, and the mixture is mixed with fine fibers and ultrafine hollow particles. The foam is manufactured by mixing and kneading the foam in two steps.
尚、微細な繊維と超微粒中空発泡体との混合，混練
は、２回に分けたが、１回でも或いは２回以上でも良
い。The mixing and kneading of the fine fibers and the ultrafine hollow foam were divided into two times, but they may be performed once or twice or more.
更に、本発明に係る軽量モルタル用混和材は、その用途
によって配合割合が任意に変えられるが、超微粒中空発
泡体の選択によって次のように大別出来る。Furthermore, the blending ratio of the admixture for lightweight mortar according to the present invention can be arbitrarily changed depending on its application, but can be roughly classified as follows depending on the selection of the ultrafine hollow foam.
即ち、超微粒中空発泡体が、有機マイクロバルーンの
場合には、合成樹脂エマルジョンの固形分換算100重量
部に対し、有機マイクロバルーン10〜40％と、微細な繊
維５〜25％と、微量の水溶性高分子化合物とを混合して
混練することによって製造される。That is, when the ultrafine hollow foam is an organic microballoon, 10 to 40% of the organic microballoon, 5 to 25% of the fine fiber, and a very small amount of the organic microballoon per 100 parts by weight of the synthetic resin emulsion in terms of solid content. It is manufactured by mixing and kneading with a water-soluble polymer compound.
又、超微粒中空発泡体が、無機マイクロバルーン（セ
ラミックバルーン）の場合には、合成樹脂エマルジョン
の固形分換算100重量部に対し、無機マイクルバルーン1
00〜500％と、微細な繊維５〜25％と、微量の水溶性高
分子化合物とを混合して混練することによって製造され
る。In addition, when the ultrafine hollow foam is an inorganic microballoon (ceramic balloon), 1 part of the inorganic microballoon is added to 100 parts by weight of the synthetic resin emulsion in terms of solid content.
It is manufactured by mixing and kneading 00 to 500%, fine fibers 5 to 25%, and a trace amount of a water-soluble polymer compound.
そして、本発明に係る軽量モルタル用混和材は、混和
材を軽量にすることによって、マトリックスとなる硬化
体の比重を所望に調整することが出来るものであるか
ら、セメントを初め石膏やドロマイトプラスター等、目
的に応じた任意の材料に対し、必要に応じた軽量性や断
熱性、弾性を容易に付与せしめることが出来る。And, the admixture for lightweight mortar according to the present invention, by making the admixture lightweight, it is possible to adjust the specific gravity of the hardened material to be the matrix as desired, so that cement as well as gypsum and dolomite plaster etc. In addition, it is possible to easily impart lightness, heat insulation, and elasticity as required to any material according to the purpose.
次に、本発明に係る軽量モルタル用混和材を用いた軽
量モルタルの製造方法の一例を説明する。Next, an example of a method for producing a lightweight mortar using the admixture for a lightweight mortar according to the present invention will be described.
予め作成した軽量モルタル用混和材に対し、水硬性又
は気硬性材料（例えば、セメント，石膏，ドロマイトプ
ラスター，漆喰，ケイ酸カルシウム，炭酸マグネシウム
等）を、目的に応じた強度や比重，断熱性等の性能に応
じた希望の調合を選び、これに必要に応じて水又は予め
稀釈して作成した合成樹脂エマルジョン水溶液を加えな
がら、混練して軽量モルタルの製造を行う。Hydraulic or air-hardening materials (for example, cement, gypsum, dolomite plaster, plaster, calcium silicate, magnesium carbonate, etc.) are added to the admixture for lightweight mortar prepared in advance, and strength, specific gravity, heat insulation, etc. according to the purpose. A desired mortar is selected according to the performance of (1) and, if necessary, water or an aqueous solution of a synthetic resin emulsion prepared by diluting in advance is added and kneaded to produce a lightweight mortar.
斯して製造された軽量モルタルは、例えば次のように
使用される。The lightweight mortar thus manufactured is used, for example, as follows.
湿式に於ては、機械による吹き付けの他、鏝塗り或い
は充填による施工が可能であり、硬化後に目的とする軽
量モルタル材が形成される。In the wet type, in addition to spraying with a machine, trowel coating or filling can be applied, and the target lightweight mortar material is formed after curing.
乾式に於ては、型枠に入れ、又はプレス成形等によ
り、又は必要に応じて蒸気養生，オートクレープ養生を
行い、目的に応じた軽量モルタル（板材等）が製造され
る。In the dry method, a lightweight mortar (plate material or the like) is manufactured according to the purpose by putting it in a mold, press molding or the like, or by performing steam curing or autoclave curing as needed.
以下、本発明を実施例により詳述する。 Hereinafter, the present invention will be described in detail with reference to examples.
実施例１ エチレン酢酸ビニルエマルジョン（固形分濃度15％）
96.5％（固形分換算100重量部）と、微量のメチルセル
ロースと、粒径５〜100μｍの有機マイクロバルーン2.3
％（15.3重量部）と、繊維長さ薬6mmの炭素繊維1.2％
（８重量部）とを用意し、エチレン酢酸ビニルエマルジ
ョンと微量のポリビニルアルコールとを混合して後、こ
の混合物中に有機マイクロバルーンと炭酸繊維とを２回
に分けて混合した混練した。Example 1 Ethylene vinyl acetate emulsion (solid content concentration 15%)
96.5% (100 parts by weight of solid content), a trace amount of methyl cellulose, and an organic microballoon with a particle size of 5 to 100 μm 2.3
% (15.3 parts by weight) and 1.2% carbon fiber with a fiber length of 6 mm
(8 parts by weight) was prepared, and an ethylene vinyl acetate emulsion and a trace amount of polyvinyl alcohol were mixed, and then, an organic microballoon and a carbonic acid fiber were mixed and kneaded in this mixture twice.
得られた半液体状の軽量モルタル用混和材を用いて早
強ポルトランドセメントをマトリックスとした軽量モル
タルと、石膏をマトリックスとした軽量モルタルとを製
造した。Using the obtained admixture for semi-liquid lightweight mortar, a lightweight mortar using early strength Portland cement as a matrix and a lightweight mortar using gypsum as a matrix were produced.
軽量モルタル用混和材１に対し早強ポルトランドセメ
ント0.3の場合には、曲げ強度（４週間）8.5Kgf/cm2、
圧縮強度（４週間）9.0Kgf/cm2、引っ張り強さ（４週
間）3.7Kgf/cm2、表乾比重0.16、熱伝導率（λ）0.040
であった。Bending strength (4 weeks) of 8.5 Kgf / cm 2 in the case of early-strength Portland cement 0.3 against admixture 1 for lightweight mortar,
Compressive strength (4 weeks) 9.0 Kgf / cm 2 , tensile strength (4 weeks) 3.7 Kgf / cm 2 , surface dry specific gravity 0.16, thermal conductivity (λ) 0.040
Met.
軽量モルタル用混和材１に対し早強ポルトランドセメ
ント0.52の場合には、曲げ強度（４週間）14Kgf/cm2、
圧縮強度（４週間）17Kgf/cm2、引っ張り強さ（４週
間）6.4Kgf/cm2、表乾比重0.32、熱伝導率（λ）0.088
であった。Bending strength (4 weeks) 14 Kgf / cm 2 in case of early strength Portland cement 0.52 against light admixture 1 for mortar,
Compressive strength (4 weeks) 17Kgf / cm 2 , Tensile strength (4 weeks) 6.4Kgf / cm 2 , Surface dry specific gravity 0.32, Thermal conductivity (λ) 0.088
Met.
軽量モルタル用混和材１に対し早強ポルトランドセメ
ント0.72の場合には、曲げ強度（４週間）21Kgf/cm2、
圧縮強度（４週間）25Kgf/cm2、引っ張り強さ（４週
間）8.1Kgf/cm2、表乾比重0.39、熱伝導率（λ）0.091
であった。Bending strength (4 weeks) of 21 Kgf / cm 2 in case of early-strength Portland cement 0.72 with respect to admixture 1 for lightweight mortar,
Compressive strength (4 weeks) 25 Kgf / cm 2 , tensile strength (4 weeks) 8.1 Kgf / cm 2 , surface dry specific gravity 0.39, thermal conductivity (λ) 0.091
Met.
軽量モルタル用混和材１に対し早強ポルトランドセメ
ント0.92の場合には、曲げ強度（４週間）25Kgf/cm2、
圧縮強度（４週間）32Kgf/cm2、引っ張り強さ（４週
間）11.1Kgf/cm2、表乾比重0.43、熱伝導率（λ）0.101
であった。Bending strength (4 weeks) 25 Kgf / cm 2 , when early strength Portland cement 0.92 against 1 weight admixture for mortar,
Compressive strength (4 weeks) 32 Kgf / cm 2 , tensile strength (4 weeks) 11.1 Kgf / cm 2 , surface dry specific gravity 0.43, thermal conductivity (λ) 0.101
Met.
軽量モルタル用混和材１に対し石膏0.52の場合には、
曲げ強度（４週間）13.3Kgf/cm2、圧縮強度（４週間）
永久歪みのため測定不能、表乾比重0.29、熱伝導率
（λ）0.080であった。In the case of gypsum 0.52 for one admixture for lightweight mortar,
Bending strength (4 weeks) 13.3Kgf / cm 2 , compressive strength (4 weeks)
Measurement was impossible due to permanent set, specific gravity of surface dryness was 0.29, and thermal conductivity (λ) was 0.080.
軽量モルタル用混和材１に対し石膏0.72の場合には、
曲げ強度（４週間）13.9Kgf/cm2、圧縮強度（４週間）
永久歪みのため測定不能、表乾比重0.41、熱伝導率
（λ）0.088であった。In the case of 0.72 gypsum for 1 admixture for lightweight mortar,
Bending strength (4 weeks) 13.9Kgf / cm 2 , compressive strength (4 weeks)
Measurement was impossible due to permanent set, specific gravity of surface dryness was 0.41, and thermal conductivity (λ) was 0.088.
軽量モルタル用混和材１に対し石膏0.92の場合には、
曲げ強度（４週間）17.3Kgf/cm2、圧縮強度（４週間）
永久歪みのため測定不能、表乾比重0.56、熱伝導率
（λ）0.115であった。In the case of 0.92 gypsum for 1 admixture for lightweight mortar,
Bending strength (4 weeks) 17.3Kgf / cm 2 , compressive strength (4 weeks)
Measurement was impossible due to permanent set, specific gravity of surface dryness was 0.56, and thermal conductivity (λ) was 0.115.
実施例２ エチレン酢酸ビニルエマルジョン（固形分濃度15％）
94.3％（固形分換算100重量部）と、微量のメチルセル
ローズと、粒径５〜100μｍの有機マイクロバルーン3.8
％（25.3重量部）と、繊維長さ約6mmの炭素繊維1.9％
（12.7重量部）とを用意し、エチレン酢酸ビニルエマル
ジョンと微量のメチルセルロースとを混合した後、この
混合物中に有機マイクロバルーンと炭素繊維とを２回に
分けて混合して混練した。Example 2 Ethylene vinyl acetate emulsion (solid content concentration 15%)
94.3% (100 parts by weight in terms of solid content), a trace amount of methyl cellulose, and an organic microballoon with a particle size of 5 to 100 μm 3.8
% (25.3 parts by weight) and 1.9% carbon fiber with a fiber length of about 6 mm
(12.7 parts by weight) was prepared, and an ethylene vinyl acetate emulsion and a trace amount of methyl cellulose were mixed, and then an organic microballoon and carbon fiber were mixed and kneaded in two times in this mixture.
得られた半液体状の軽量モルタル用混和材１に対し、
0.5の特殊セメントをマトリックスとした軽量モルタル
を製造した。For the obtained semi-liquid admixture for lightweight mortar 1,
A lightweight mortar was manufactured using 0.5 special cement as a matrix.
その結果は、曲げ強度（２週間）13.6Kgf/cm2、絶乾
比重0.36、熱伝導率（λ）0.060であった。The results were flexural strength (2 weeks) of 13.6 Kgf / cm 2 , absolute dry specific gravity of 0.36, and thermal conductivity (λ) of 0.060.
実施例３ エチレン酢酸ビニルエマルジョン（固形分濃度15％）
49.6％（固形分換算100重量部）と、微量のポリニビル
アルコールと、粒径５〜100μｍの有機マイクロバルー
ン2.3％（15.3重量部）と、繊維長さ約6mmの炭素繊維1.
2％（８重量部）と、粒径５〜200μｍの無機マイクロバ
ルーン46.8％（312重量部）とを用意し、エチレン酢酸
ビニルエマルジョンと微量のメチルセルローズとを混合
した後、この混合中に有機マイクロバルーンと炭素繊維
とを２回に分けて混合して混練した。Example 3 Ethylene vinyl acetate emulsion (solid content concentration 15%)
49.6% (100 parts by weight of solid content), a trace amount of polynivir alcohol, 2.3% (15.3 parts by weight) of organic microballoons having a particle size of 5 to 100 μm, and carbon fiber having a fiber length of about 6 mm 1.
2% (8 parts by weight) and 46.8% (312 parts by weight) of inorganic micro-balloons having a particle size of 5 to 200 μm were prepared, ethylene vinyl acetate emulsion and a small amount of methyl cellulose were mixed, and then organic was added during this mixing. The microballoon and the carbon fiber were mixed and kneaded in two times.
得られた半液体状の軽量モルタル用混和材１に対し、
0.25の特殊セメントをマトリックスとした軽量モルタル
を製造した。For the obtained semi-liquid admixture for lightweight mortar 1,
A lightweight mortar was manufactured using 0.25 special cement as a matrix.
その結果は、曲げ強度（２週間）13.6Kgf/cm2、圧縮
強度（２週間）16.3Kgf/cm2、絶乾比重0.41、熱伝導率
（λ）0.077であった。The results were bending strength (2 weeks) 13.6 Kgf / cm 2 , compression strength (2 weeks) 16.3 Kgf / cm 2 , absolute dry density 0.41 and thermal conductivity (λ) 0.077.
以上のように、本発明は、超微粒中空発泡体と、微細
な繊維と、合成樹脂エマルションと、増粘剤とから成る
ので、以下の如き効果が奏される。As described above, the present invention, which comprises the ultrafine hollow foam, the fine fibers, the synthetic resin emulsion, and the thickener, has the following effects.
マトリックスとしての硬化材を必要に応じて任意に
選択出来る。The curing material as the matrix can be arbitrarily selected as needed.
半液体状態であるため、普通ポルトランドセメン
ト，超早強セメント，ジェットセメント，又は石膏やド
ロマイトプラスター，ケイ酸カルシウム等、目的に応じ
て自在に混合することが出来る。Since it is in a semi-liquid state, ordinary Portland cement, super early strength cement, jet cement, gypsum, dolomite plaster, calcium silicate, etc. can be freely mixed according to the purpose.
本発明に係る軽量モルタル用混和材を使用した硬化
材は、比重が最低0.1より自由に選択出来る。比重を調
整したり、耐火性を付与したり、強度の増減を目的によ
って自由に選択出来る。The hardening material using the admixture for lightweight mortar according to the present invention can be freely selected from the specific gravity of 0.1 or more. The specific gravity can be adjusted, fire resistance can be imparted, and the strength can be increased or decreased according to the purpose.
断熱性を有する不燃性の軽量モルタルや結露防止
材，クッション材，遮音材，軽量間仕切り板等、それぞ
れの性能を有する目的に応じたモルタル製造が可能とな
る。It is possible to manufacture non-combustible lightweight mortar with heat insulating properties, dew condensation prevention material, cushioning material, sound insulation material, lightweight partition board, etc. according to their respective purposes.
本発明に係る軽量モルタル用混和材と硬化材とをま
ぜて製造された硬化体は、くぎ打ち，のこぎりによる切
断などが可能である。The cured product produced by mixing the admixture for lightweight mortar and the curing material according to the present invention can be nailed, cut with a saw or the like.
微細な繊維の分散性が極めて良好なため、通常のモ
ルタルミキサー等によるセメントとの混練りに於ても繊
維のマトリックス中へ極めて良好に均一分散する。Since the fine fibers have extremely good dispersibility, even when they are kneaded with cement using an ordinary mortar mixer or the like, they are extremely well uniformly dispersed in the matrix of the fibers.
第１図は本発明に係る軽量モルタル用混和材の混合手順
を示す説明図である。FIG. 1 is an explanatory view showing a mixing procedure of an admixture for a lightweight mortar according to the present invention.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 藤中 英生 東京都江東区南砂２丁目５番14番号 株式 会社竹中工務店技術研究所内 (72)発明者 沖 文雄 埼玉県比企郡滑川町大字都25―11 日本化 成株式会社内 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Hideo Fujinaka 2-5-14 Minamisuna, Koto-ku, Tokyo Inside Takenaka Corporation Technical Research Institute (72) Inventor Fumio Oki 25, capital city, Namerikawa-cho, Hiki-gun, Saitama Prefecture ―11 Within Nippon Kasei Co., Ltd.
Claims (10)
樹脂エマルションと、増粘剤とから成る軽量モルタル用
混和材。1. A lightweight mortar admixture comprising an ultrafine hollow foam, fine fibers, a synthetic resin emulsion, and a thickener.
有機マイクロバルーン、粒径５〜200μｍの無機マイク
ロバルーン等である特許請求の範囲第１項又は第２項記
載の軽量モルタル用混和材。2. The lightweight mortar according to claim 1 or 2, wherein the ultrafine hollow foam is an organic microballoon having a particle size of 10 to 100 μm, an inorganic microballoon having a particle size of 5 to 200 μm, or the like. Admixture.
である特許請求の範囲第１項又は第２項記載の軽量モル
タル用混和材。3. The admixture for lightweight mortar according to claim 1 or 2, wherein the specific gravity of the organic microballoon is 0.04 or less.
である特許請求の範囲第１項又は第２項記載の軽量モル
タル用混和材。4. The specific gravity of the inorganic microballoon is 0.3 to 0.7.
The admixture for lightweight mortar according to claim 1 or 2.
リプロピレン，ビニロン，アクリロニトリル，セルロー
ス等の天然又は合成の無機又は有機繊維、石綿，アルミ
ナ繊維，ロックウール等の各種天然又は合成の無機又は
有機繊維である特許請求の範囲第１項，第２項，第３項
又は第４項記載の軽量モルタル用混和材。5. A fine fiber is a natural or synthetic inorganic or organic fiber such as carbon fiber, glass fiber, polypropylene, vinylon, acrylonitrile, cellulose, etc., various natural or synthetic inorganic fibers such as asbestos, alumina fiber, rock wool or the like. The admixture for lightweight mortar according to claim 1, 2, 3, or 4, which is an organic fiber.
酸ビニール系，合成ゴム系，塩化ビニリデン系，塩化ビ
ニル系又はこれらの混合系である特許請求の範囲第１
項，第２項，第３項，第４項又は第５項記載の軽量モル
タル用混和材。6. The synthetic resin emulsion is an acrylic type, vinyl acetate type, synthetic rubber type, vinylidene chloride type, vinyl chloride type or a mixture thereof.
The admixture for lightweight mortar according to item 2, item 3, item 3, item 4 or item 5.
請求の範囲第１項，第２項，第３項，第４項，第５項又
は第６項記載の軽量モルタル用混和材。7. The admixture for lightweight mortar according to claim 1, 2, 3, 4, 5 or 6, wherein the thickener is a water-soluble polymer compound. Material.
ズ，ポリビニルアルコール，ヒドロキシエチルセルロー
ズ等である特許請求の範囲第７項記載の軽量モルタル用
混和材。8. The admixture for lightweight mortar according to claim 7, wherein the water-soluble polymer compound is methyl cellulose, polyvinyl alcohol, hydroxyethyl cellulose or the like.
量部に対し、有機マイクルバルーン10〜40％と、微細な
繊維５〜25％と、微量の増粘剤とを混合して混練した半
液体状を為している特許請求の範囲第１項，第２項，第
３項，第４項，第５項，第６項，第７項又は第８項記載
の軽量モルタル用混和材。9. A semi-liquid obtained by mixing and kneading 10 to 40% of organic michael balloons, 5 to 25% of fine fibers and a trace amount of a thickener with respect to 100 parts by weight of the synthetic resin emulsion in terms of solid content. The admixture for lightweight mortar according to claim 1, 2, 3, 4, 5, 5, 6, 7 or 8 which has a shape.
重量部に対し、無機マイクルバルーン100〜500％と、微
細な繊維５〜25％と、微量の増粘剤とを混合して混練し
た半液体状を為している特許請求の範囲第１項，第２
項，第３項，第４項，第５項，第６項，第７項，第８項
又は第９項記載の軽量モルタル用混和材。10. A synthetic resin emulsion having a solid content of 100.
The inorganic liquid balloon 100 to 500%, the fine fiber 5 to 25%, and a minute amount of a thickening agent are mixed and kneaded with respect to parts by weight to form a semi-liquid state. , Second
The admixture for lightweight mortar according to the item (3), item (4), item (5), item (6), item (7), item (8) or item (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32086187A JPH0813709B2 (en) | 1987-12-16 | 1987-12-16 | Admixture for lightweight mortar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32086187A JPH0813709B2 (en) | 1987-12-16 | 1987-12-16 | Admixture for lightweight mortar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01160881A JPH01160881A (en) | 1989-06-23 |
| JPH0813709B2 true JPH0813709B2 (en) | 1996-02-14 |
Family
ID=18126075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32086187A Expired - Lifetime JPH0813709B2 (en) | 1987-12-16 | 1987-12-16 | Admixture for lightweight mortar |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0813709B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4428649B2 (en) * | 2004-09-01 | 2010-03-10 | 電気化学工業株式会社 | Spray cement composition and spray method |
| US9150452B2 (en) * | 2012-04-19 | 2015-10-06 | Construction Research & Technology, Gmbh | Method for manufacturing a cementitious composition |
| JP7210132B2 (en) * | 2017-09-28 | 2023-01-23 | ニチハ株式会社 | Inorganic board and manufacturing method thereof |
| JP7637961B2 (en) * | 2019-07-17 | 2025-03-03 | 北陽建設株式会社 | Repair method for existing sprayed slopes |
-
1987
- 1987-12-16 JP JP32086187A patent/JPH0813709B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01160881A (en) | 1989-06-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2662741C2 (en) | Insulating mortar composition | |
| WO2013048351A1 (en) | Gypsum-based composition for construction material and system | |
| JPH11147777A (en) | Lightweight cured product and method for producing the same | |
| JPH085733B2 (en) | Inorganic heat insulating material | |
| JPH0813709B2 (en) | Admixture for lightweight mortar | |
| JPH01320243A (en) | Lightweight cement composition | |
| RU2155727C2 (en) | Fire-retardant plaster composition | |
| CN1235186C (en) | Sound absorbing material and method of making same | |
| JP2002293601A (en) | Manufacturing method of lightweight mortar material | |
| JPH11180752A (en) | Mortar composition | |
| CN118005364A (en) | A cement board and its production process and application in non-disassembly formwork | |
| JPS5812223B2 (en) | Manufacturing method of lightweight concrete | |
| JPS60171260A (en) | Hydraulic inorganic composition | |
| JPH04193783A (en) | Production of lightweight hardened body | |
| JPH10330146A (en) | Method for producing hydraulic inorganic molded article | |
| JPH0196049A (en) | Production of inorganic extruded molded material | |
| JPH0269207A (en) | Carbon fiber reinforced cement mortar and concrete manufacturing method | |
| KR20050014197A (en) | High Strength Lightweight Aerated Concrete Composite and Process for The Same | |
| JPH0152346B2 (en) | ||
| JP2540190B2 (en) | Method for manufacturing lightweight cement compact | |
| KR100335447B1 (en) | Elastomeric light weight heat insulating aggregate and method for manufacturing the same | |
| JPH1171157A (en) | Hydraulic composition | |
| JPH05294699A (en) | Hydraulic composition for extrusion molding and extrusion-molded product | |
| JPS62187185A (en) | Manufacture of fiber reinforced lightweight cement product | |
| SU804601A1 (en) | Polymer-cement mixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |