AU661114B2 - A paper suitable for ink fusion transfer type thermal printer and copiers, and a manufacturing method thereof - Google Patents
A paper suitable for ink fusion transfer type thermal printer and copiers, and a manufacturing method thereof Download PDFInfo
- Publication number
- AU661114B2 AU661114B2 AU35158/93A AU3515893A AU661114B2 AU 661114 B2 AU661114 B2 AU 661114B2 AU 35158/93 A AU35158/93 A AU 35158/93A AU 3515893 A AU3515893 A AU 3515893A AU 661114 B2 AU661114 B2 AU 661114B2
- Authority
- AU
- Australia
- Prior art keywords
- paper
- fusion transfer
- parts
- ink
- transfer paper
- 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.)
- Ceased
Links
- 238000012546 transfer Methods 0.000 title claims description 46
- 230000004927 fusion Effects 0.000 title claims description 39
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 238000000576 coating method Methods 0.000 claims description 58
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 57
- 239000011248 coating agent Substances 0.000 claims description 55
- 239000000049 pigment Substances 0.000 claims description 29
- 239000007787 solid Substances 0.000 claims description 29
- 239000000377 silicon dioxide Substances 0.000 claims description 26
- 239000011230 binding agent Substances 0.000 claims description 22
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 14
- 239000005018 casein Substances 0.000 claims description 13
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 claims description 13
- 235000021240 caseins Nutrition 0.000 claims description 13
- 239000002174 Styrene-butadiene Substances 0.000 claims description 12
- 239000011115 styrene butadiene Substances 0.000 claims description 12
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 12
- 229920002472 Starch Polymers 0.000 claims description 11
- 230000000052 comparative effect Effects 0.000 claims description 11
- 235000019698 starch Nutrition 0.000 claims description 11
- 239000008107 starch Substances 0.000 claims description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- 239000012860 organic pigment Substances 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 229920000178 Acrylic resin Polymers 0.000 claims description 5
- 239000004925 Acrylic resin Substances 0.000 claims description 5
- 239000010419 fine particle Substances 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- 125000002091 cationic group Chemical group 0.000 claims description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 2
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- 229920000881 Modified starch Polymers 0.000 claims description 2
- 239000004368 Modified starch Substances 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 108010073771 Soybean Proteins Proteins 0.000 claims description 2
- 229920007962 Styrene Methyl Methacrylate Polymers 0.000 claims description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 235000011054 acetic acid Nutrition 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims description 2
- 229910052788 barium Inorganic materials 0.000 claims description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 2
- 229910021538 borax Inorganic materials 0.000 claims description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 2
- 239000004327 boric acid Substances 0.000 claims description 2
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 claims description 2
- QHIWVLPBUQWDMQ-UHFFFAOYSA-N butyl prop-2-enoate;methyl 2-methylprop-2-enoate;prop-2-enoic acid Chemical compound OC(=O)C=C.COC(=O)C(C)=C.CCCCOC(=O)C=C QHIWVLPBUQWDMQ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052793 cadmium Inorganic materials 0.000 claims description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 2
- 229920006026 co-polymeric resin Polymers 0.000 claims description 2
- CVOQYKPWIVSMDC-UHFFFAOYSA-L dipotassium;butanedioate Chemical compound [K+].[K+].[O-]C(=O)CCC([O-])=O CVOQYKPWIVSMDC-UHFFFAOYSA-L 0.000 claims description 2
- 239000000975 dye Substances 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 239000007850 fluorescent dye Substances 0.000 claims description 2
- 235000019253 formic acid Nutrition 0.000 claims description 2
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 2
- 239000004310 lactic acid Substances 0.000 claims description 2
- 235000014655 lactic acid Nutrition 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- ADFPJHOAARPYLP-UHFFFAOYSA-N methyl 2-methylprop-2-enoate;styrene Chemical compound COC(=O)C(C)=C.C=CC1=CC=CC=C1 ADFPJHOAARPYLP-UHFFFAOYSA-N 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 229920005553 polystyrene-acrylate Polymers 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 239000004328 sodium tetraborate Substances 0.000 claims description 2
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 2
- 229940001941 soy protein Drugs 0.000 claims description 2
- 229920001909 styrene-acrylic polymer Polymers 0.000 claims description 2
- 229920005792 styrene-acrylic resin Polymers 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 239000011975 tartaric acid Substances 0.000 claims description 2
- 235000002906 tartaric acid Nutrition 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 235000011167 hydrochloric acid Nutrition 0.000 claims 1
- 235000019426 modified starch Nutrition 0.000 claims 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims 1
- 239000000243 solution Substances 0.000 description 35
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 25
- 239000004816 latex Substances 0.000 description 14
- 229920000126 latex Polymers 0.000 description 14
- 239000010410 layer Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 13
- 229910000019 calcium carbonate Inorganic materials 0.000 description 11
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 10
- 235000013539 calcium stearate Nutrition 0.000 description 10
- 239000008116 calcium stearate Substances 0.000 description 10
- 239000005995 Aluminium silicate Substances 0.000 description 9
- 235000012211 aluminium silicate Nutrition 0.000 description 9
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 9
- 238000002156 mixing Methods 0.000 description 5
- 238000007639 printing Methods 0.000 description 5
- -1 satin white Chemical compound 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- VCUFZILGIRCDQQ-KRWDZBQOSA-N N-[[(5S)-2-oxo-3-(2-oxo-3H-1,3-benzoxazol-6-yl)-1,3-oxazolidin-5-yl]methyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical group O=C1O[C@H](CN1C1=CC2=C(NC(O2)=O)C=C1)CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F VCUFZILGIRCDQQ-KRWDZBQOSA-N 0.000 description 1
- 101100063942 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) dot-1 gene Proteins 0.000 description 1
- 101100506221 Nitrosomonas europaea (strain ATCC 19718 / CIP 103999 / KCTC 2705 / NBRC 14298) hao3 gene Proteins 0.000 description 1
- 229910018557 Si O Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000004964 aerogel Substances 0.000 description 1
- 238000007754 air knife coating Methods 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical class [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 230000003254 anti-foaming effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229920003090 carboxymethyl hydroxyethyl cellulose Polymers 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 229910002026 crystalline silica Inorganic materials 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 125000005624 silicic acid group Chemical group 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- SRWMQSFFRFWREA-UHFFFAOYSA-M zinc formate Chemical compound [Zn+2].[O-]C=O SRWMQSFFRFWREA-UHFFFAOYSA-M 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/382—Contact thermal transfer or sublimation processes
- B41M5/38207—Contact thermal transfer or sublimation processes characterised by aspects not provided for in groups B41M5/385 - B41M5/395
- B41M5/38214—Structural details, e.g. multilayer systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/913—Material designed to be responsive to temperature, light, moisture
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24893—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including particulate material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24893—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including particulate material
- Y10T428/24901—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including particulate material including coloring matter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24926—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including ceramic, glass, porcelain or quartz layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/254—Polymeric or resinous material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/259—Silicic material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/27—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Paper (AREA)
Description
661 14
AUSTRALIA
PATENTS ACT 1990 COMPLETE SPECIFICATION FOR A STANDARD PATENT
ORIGINAL
S F Ref: 235024 r Name and Address of Applicant: Actual Inventor(s): Address for Service: Invention Title: r r s Sanyo Kokusaku Pulp Co., Ltd.
Marunouchi 1-chome Chiyoda-ku Tokyo 100
JAPAN
Yoshio Yoshida, Masao Matsukawa, Yoshihiro Kuroyama and Teruhisa Shimada Spruson Ferguson, Patent Attorneys Level 33 St Martins Tower, 31 Market Street Sydney, New South Wales, 2000, Australia A Paper Suitable for Ink Fusion Transfer Type Thermal Printer and Copiers, and a Manufacturing Method Thereof The following statement is a full description of this invention, including the best method of performing it known to me/us:- 5845/3 A PAPER SUITABLE FOR INK FUSION TRANSFER TYPE THERMAL PRINTER AND COPIERS, AND A MANUFACTURING METHOD THEREOF FIELD OF THE INVENTION This invention concerns an ink fusion transfer type of S paper, and more specifically, a paper suitable for ink fusion transfer type thermal printers and copiers.
BACKGROUND OF THE INVENTION Smooth, high grade recording paper which has been treated by a Super Calendar or the like is used in ink fusion transfer O type thermal printers or copiers as it is known to give a clear image. This is particularly true if the recording surface hao3 a smoothness of 100 seconds or more. By making the paper smoother so that there is better contact between the paper and :'"the ink ribbon, more ink is transferred to the paper surface.
/5As a result, reproduction of full tone images is improved, however reproduction of half tone images is unsatisfactory.
At present, coated paper having a high smoothness and gloss is generally not used in ink fusion transfer type thermal printers and copiers. The reason for this is that although the )o paper is extremely smooth so that there is uniform contact with the ink ribbon, which might be expected to give a good ink copy, transfer of ink actually takes place unevenly and image reproduction is poor.
Non-uniform transfer of ink is particularly evident in the of smooth, high gloss art paper for printing and in the case of cast-coated paper. This is due to the fact that, as 2 there are very few surface imperfections or cavities, molten ink does not easily stay on the paper and may be retransferred from the paper back to the ink ribbon.
Therefore, although coated paper for printing is designed be adequate for ordinary printing applications, it is not suitable for ink fusion transfer type thermal printers and copiers.
If these problems inherent in coated printing paper could be resolved, it would be possible to use it for such printers /Oand copiers, and images of higher quality than ever before might be obtained.
In general, in order to confer high surface smoothness on coated paper, the surface is flattened under high pressure using a Super Calendar or similar device. This paper is not as /Stough as high grade paper, and since it is very dense, it lacks the feeling of volume. In addition, the paper has a low gloss so that there is a very poor balance with the gloss of the image area, and a high image quality comparable to that of ordinary offset printing cannot be obtained.
-0 The Inventors, after performing various studies aimed at resolving the aforesaid problems, found that by incorporating a minimum amount of a synthetic silica having a predetermined specific surface in the paper, good results could be *aivved r: with coated paper manufactured by cast coating.
coo• -*T oet- 3 Summary of the Invention It is the object of the present invention to overcome or substantially ameliorate the above disadvantages.
There is disclosed herein an ink fusion transfer paper having a recording layer comprising at least one layer on a support, the uppermost layer of the recording layer consists of at least 100 parts by weight of a pigment and 10-50 parts by weight of a binder, the recording layer being applied by cast coating to one or both sides of the support at a rate of 5-50 g/m 2 per side in terms of dry solids, 30-100 weight percent of said pigment consisting of a synthetic silica having a specific surface of 20-600 m2/g, and the 75 degree gloss of said uppermost layer of the paper being no less than Detailed Description of the Invention The synthetic silica used in this invention is generally referred to as non-crystalline silica, amorphous silica, anhydrous silicic acid, hydrated silicic acid, finely powdered silica or white carbon. Its structure is based on a Si-O net, and it is a silicic acid with no fixed crystalline form. From the viewpoint of transferability of molten ink, it is preferable that the synthetic silica used should have a specific surface of 20-600m 2 and particularly preferable that it lies within the range 20-300m 2 If the specific surface is
C
Se *o* [N:\LIBTTI00553:KEH t i 4 greater than 600 m 2 /g or less than 20 m 2 the reproducibility of half tone images declines although the reason for this is unclear.
The synthetic silica used in this invention may be prepared by the wet method, dry method or aerogel method, there being no particular limitation on the method of preparation.
In this invention, the blending proportion of synthetic silica in the coating solution is 30 100 parts by weight with respect to 100 parts of pigment. If this blending proportion lo is less than 30 parts by weight less than 30 weight transfer of molten ink to the recording layer is unsatisfactory and reproducibility of half tone images is particularly impaired.
There is no particular limitation on the type of pigment can be used together with the aforesaid synthetic silica.
Examples of suitable pigments are inorganic pigments, e.g.
kaolin, clay, heavy calcium carbonate, light calcium carbonate, aluminum hydroxide, satin white, titanium dioxide, fired clay, zinc oxide, barium sulfate, talc, and colloidal silica, and 20 organic pigments, e. g. fine particles of styrene resins such as polystyrene or polymethylstyrene, fine particles of acrylic resins such as polymethylmethacrylate and polyacrylonitrile, and fine particles of polyvinyl chloride or polycarbonates. These pigments may also be used in conjunction with each other in any pSdesired proportion.
Of the organic pigments, fine particles of styrene resins, acrylic resins or styrene-acrylic copolymer resins are preferable from the viewpoint of hardness, elasticity and heat resistance. In particular, if fine hollow particles of polystyrene or styrene-methylmethacrylate copolymer are used, it is easier to achieve smoothness of the coated surface and the density of the coated layer can be effectively reduced.
The binder may be a resin, emulsion, latex or natural high polymer which gives a strong adhesion between the pigment and raw paper, and which does not cause blocking between papers or between the paper and ink ribbon, these materials being used either alone or in conjunction with one another.
/0 Examples of such binders are polyvinyl alcohol or starches such as starch oxide, starch esters, enzyme-modified starch and cationic starch, casein, soy proteins, fiber derivatives such as carboxymethyl cellulose and hydroxyethyl cellulose, styreneacrylic resins, styrene-butadiene resins, vinyl acetate resins and acrylic resins.
.e The blending proportion of the binder in the coating solution composition is preferably 10 50 parts by weight with respect to 100 parts by weight of pigment. If the blending proportion of binder is less than 10 parts by weight, the 20 strength of the coating film declines, and if the proportion is greater than 50 parts by weight, the properties of the coating are adversely affected.
In this invention, dyes or colored pigments may also be added to adjust color, and fluorescent dyes may be added to improve visual whiteness.
The coating containing the aforesaid components may easily be prepared by any of the methods known in the art. In this invention, additives such as dispersing agents, antifoaming 6 agents, release agents, pH regulating agents, lubricants, water retention agents and preservatives may also be added to the aforesaid coating to the extent that they do not impair the advantage of the invention.
In this invention, the coating solution prepared as described hereinbefore is coated on a support to be used as a recording layer. If the surface of paper coated with this solution is simply smoothed by a Super Calender, however, the paper is not tough enough, sufficient paper gloss is not obtained, and it is difficult to transport the paper inside the printer or copier due to the paper's lack of toughness. Further, transferability of ink declines so that a good image is not obtained, and the balance between the gloss of the paper in the image and non-image parts is extremely poor.
If a coated layer is formed by cast coating the aforesaid coating solution on the paper, on the other hand, paper strength is not impaired, extremely high paper gloss is achieved and the tiihrmal transfer paper of this invention is easily obtained, although no definite reasons for this have been given.
The specific surface of the pigment used in paper coatings is generally 2-3m 2 /g and no greater than 10 m 2 On the other hand, the specific surface of the synthetic silica used in this invention is 20-600m2/g. This is far greater than that of pigments commonly used, and it leads to the following inferences.
In a coated layer produced by cast coating, the synthetic *e e 0* p
*Y
e
*J
[N;\UBTTI00553:KEH 7 silica of high specific surface is incorporated in the recording layer without undergoing any modification which thus gives rise to a very large number of cavities, It may be conjectured that this results in better transferability of ink, gabsorption of molten ink by the cavities so that image surface imperfections are reduced, and reduction of surface scattering reflections so that image gloss is heightened.
A single or multiple coating is applied by either an online or an off- line coater to one or both sides of the paper /0 such that the dry weight of coating on each side is 5 50 g/M 2 and preferably 8 30 g/M 2 If the amount of coating is less than 5 g/M 2 the film on the surface of the raw paper is ':insufficient so that a high paper gloss cannot be obtained, while if it is greater than 50 g/M 2 the paper density increases 1.57so that it becomes less tough, paper transport is problematic and the paper loses its function as a printing and copying paper.
The cast coating method used mmy be any suitable method too.
60*9 known in the art such as solidification, rewetting or wetting, Sproviding using a casting drum having a mirror surface.
There is no particular limitation on the coating technique employed to obtain the recorded layer, it being possible to use any ordinary coating technique such as blade coating, roller coating, air knife coating and bar coating.
R6' The solidifying agent used in cast coating by solidification is commonly formic acid, acetic acid, succinic acid, tartaric acid, lactic acid, hydrochloric acid, calcium, zinc, barium, lead, magnesium, cadmium or aluminum sulfates, 8 potassium sulfate, potassium succinate, borax or boric acid, however this invention is not limited to only these substances.
Further, the choice of a suitable binder which solidifies well together with these solidifying agents is effective in imiproving 6' coating speed and the finish of the coated surface.
The raw paper may be an acid or neutral high or medium grade paper. Fo.r cating purposes, however, it is preferable that the paper be prepared by known methods of raw paper blending, preparation and manufacture (TZkJ gT 5--31 /0 As described hereintofore, the ink fusion transfer paper of ::this invention has an extremely high gloss, allows good ink transfer and gives an excellent image gloss. It therefore ~.offers a good paper/image gloss balance, a high quality image, and is particularly suitable as a paper for ink fusion transfer type thermal printers and copiers.
EXAMPLES
This invention will now be described in more detail by meians of the following examples, but it is to be understood that it is not limited by them in any way. All parts given in the are parts by weight.
The measurements in the examples were performed as follows: Density: Measured according to the method of JIS P8118.
Smoothness: Measured according to the method of JIS P8119.
;K Gloss: The 75* gloss of the coated surface was measured according to the method of JIS P8142.
-pt image gloss: Patterns having a half tone dot surface *17 64 I I 9 proportion of 25%, 50% and 100% respectively were recorded using a Mitsubishi Color Thermal Printer M4234-10, and the gloss of each pattern was measured.
Image reproducibility test: Ink transfer performance in the half tone dot pattern was judged visually.
If the pattern was uniformly recorded, it was graded by 0 if some parts were missing it was graded by "A and if practically no ink had been transferred it was graded by "X Coating strength: Using an IGT Print Suitability Tester /0 (IGT A-ltype machine manufactured by IGT an ink tack of ink volume of 0.025 cc and print speed of 1.2 m/sec, patterns where none of the ink that had been transferred came off were graded by patterns where some of the ink came off were graded by A" and patterns where all the ink came off were graded by "X EXAMPLE 1 10 parts heavy calcium carbonate, 1 part cationic starch "and 0.1 parts of a sizing agent (alkyl ketene dimer) were blended with 100 parts of a bleached broadleaf tree craftpulp slurry of beating degree 400 cc (L-BKP) so as to make a raw paper of weighting 92 g/m 2 A coating solution containing 43% dry solids was also prepared from 80 parts synthetic silica (commercial name: Syloid 404, Fuji Davison specific surface 300 m 2 and parts primary grade kaolin (commercial name: Ultrawhite E.M.C. as pigments, 5 parts styrene butadiene latex and parts casein as binders, and 2 parts calcium stearate as a release agent.
After applying the coating solution obtained to the aforesaid raw paper by means of a roll coater at a rate of g/m 2 in terms of dry solids, the coating was solidified using a 6-10% aqueous solution of zinc formate as solidifying agent, and while the coating film was still wet, it was dried in pressure contact with a casting drum having a mirror surface heated to 100°C An ink fusion transfer thermal paper of weighting 102 g/m 2 was thus obtained.
EXAMPLE 2 A coating solution containing 42% dry solids was prepared from 80 parts synthetic silica (commercial name: Syloid 404, Fuji Davison specific surface 300 m 2 and 20 parts primary grade kaolin (commercial name: Ultrawhite manufactured by E.M.C. as pigments, 15 parts styrene butadiene latex and 15 parts casein as binders, and 2 parts calcium stearate as a release agent.
The coating solution obtained was applied to the raw paper fl..
of Example 1 (92 g/m 2 by means of a roll coater in the same O manner as that of Example 1, excepting that the application rate was 15 g/m 2 in terms of dry solids. An ink fusion transfer thermal paper of weighting 107 g/m 2 was thus obtained.
EXAMPLE 3 A coating solution containing 46% dry solids was prepared from 100 parts synthetic silica (commercial name: Mizukasil P- 11 527, Mizusawa Industrial Chemicals specific surface m 2 as a pigment, 20 parts styrene butadiene latex and parts casein as binders, and 2 parts calcium stearate as a release agent.
The coating solution obtained was applied to the raw paper of Example I by means of a roll coater such that the application rate was 10 g/m 2 in terms of dry solids in the same manner as that of Example 1. An ink fusion transfer thermal paper of weighting 102 g/m 2 was thus obtained.
EXAMPLE 4 The synthetic silica used in Example 3 was replaced by a pigment having a specific surface of 600 m 2 /g (commercial name: Syloid 600, Fuji Davison 23 parts styrene butadiene latex and 20 parts casein added as binders, then 2 parts calcium /stearate added as a release agent so as to obtain a coating solution containing 40% solids. The coating solution obtained was applied to the raw paper of Example 1 by means of a roll 4e coater in the same manner as that of Example 1 excepting that .the application rate was 5 g/m 2 in terms of dry solidS.
An ink fusion transfer thermal paper of weighting 97 g/m 2 was thus obtained.
EXAMPLE A coating solution containing 54% dry solids was prepared from 30 parts synthetic silica (commercial name: Syloid 404, ,g Fuji Davison specific surface 300 m 2 40 parts primary grade kaolin (commercial name: Ultrawhite 90, E.M.C. and f 1 2 parts calcium carbonate (commercial name: Brilliant Shiraishi as pigments, 15 parts styrene butadiene latex and 10 parts casein as binders, and 2 parts calcium stearate as a release agent.
The coating solution obtained was applied to the raw paper of Example 1 (92 g/m 2 by means of a roll coater in the same manner as that of Example 1, excepting that the application rate was 12 g/m 2 in terms of dry solids. An ink fusion transfer thermal paper of weighting 104 g/m 2 was thus obtained.
/Q EXAMPLE 6 parts heavy calcium carbonate, 1 part cationic starch and 0.1 parts of a sizing agent (alkyl ketene dimer) were blended with 100 parts of a bleached broadleaf tree craftpulp slurry of beating degree 400 cc (L-BKP) so as to make a raw paper of weighting 69 g/m 2 SA coating solution containing 55% dry solids was also prepared from 30 parts synthetic silica (commercial name: t* Syloid 404, Fuji Davison specific surface 300 m 2 parts primary grade kaolin (commercial name: Ultrawhite 3.G: 2CE.M.C. and 20 parts calcium carbonate (commercial name: Brilliant 15, Shiraishi as pigments together with 10 parts of an organic pigment (commercial name: Boncoat PP-1100, Dai Nippon Kagaku 15 parts styrene butadiene latex and parts casein as binders, and 2 parts calcium stearate as a 2"release agent.
The coating solution obtairled was applied to the aforesaid raw paper by means of a roll coater as in Example 1, excepting r 13 that the rate of application was 40 g/m 2 in terms of dry solids.
An ink fusion transfer thermal paper of weighting 109 g/m 2 was thus obtained.
COMPARATIVE EXAMPLE 1 T A coating solution was applied to a raw paper by means of a roll coater exactly as in Example 1, excepting that the application rate was 3.5 g/m 2 in terms of dry solids. An ink fusion transfer thermal paper of weighting 95.5 g/m 2 was thus obtained.
)O COMPARATIVE EXAMPLE 2 A coating solution was prepared exactly as in Example 0 excepting that 2 parts butadiene styrene latex and 2 parts casein were used as binders, and 2 parts calcium stearate was used as a release agent. The resulting solution contained /o5f dry solids. This coating solution was applied to the raw paper of Example 1 by means of a roll coater exactly as in Example 1, excepting that the rate of application was 12 g/m 2 Sin terms of dry solids. An ink fusion transfer thermal paper 0 of weighting 104 g/m 2 was thus obtained.
QCOMPARATIVE EXAMPLE 3 A coating solution was prepared exactly as in Example excepting that 30 parts butadiene styrene latex and 30 parts casein were used as binders, and 2 parts calcium stearate was used as a release agent. The resulting solution contained g~'of dry solids. This coating solution was applied to the raw 14 paper of Example 1 by means of a roll coater exactly as in Example 1, excepting that the rate of application was 20 g/m 2 in terms of dry solids. An ink fusion transfer thermal paper of weighting 112 g/m 2 was thus obtained.
COMPARATIVE EXAMPLE 4 A coating solution containing 58% dry solids was prepared from 5 parts synthetic silica (commercial name: Syloid 404, Fuji Davison specific surface 300 m 2 40 parts primary grade kaolin (commercial name: Ultrawhite 90, E.M.C. and 0 55 parts calcium carbonate (commercial name: Brilliant e• Shiraishi as pigments, 15 parts styrene butadiene latex and 10 parts casein as binders, and 2 parts calcium stearate as a release agent.
This coating solution was applied to the raw paper of /5EXAMPLE 1 by means of a roll coater exactly as in EXAMPLE 1, excepting that the rate of application was 15 g/m 2 in terms of dry solids. An ink fusion transfer thermal paper of weighting 107 g/m 2 was thus obtained.
COMPARATIVE EXAMPLE v A coating solution containing 58% dry solids was prepared from 25 parts synthetic silica (commercial name: Syloid 404, Fuji Davison specific surface 300 m 2 40 parts primary grade kaolin (commercial name: Ultrawhite 90, E.M.C. and parts calcium carbonate (commercial name: Brilliant a Shiraishi as pigments, 15 parts styrene butadiene latex and 15 parts casein as binders, and 2 parts calcium stearate as
I
a release agent.
This coating solution was applied to the raw paper of Example 1 by means of a roll coater exactly as in Example 1, excepting that the rate of application was 15 g/m 2 in terms of 6-dry solids. An ink fusion transfer thermal paper of weighting 107 g/m 2 was thus obtained.
COMPARATIVE EXAMPLE 6 A coating solution was applied to a raw paper by means of a roll coater exactly as in Example 1, excepting that the /0 application rate was 60 g/m 2 in terms of dry solids. An ink fusion transfer thermal paper of weighting 129 g/m 2 was thus obtained.
COMPAPATIVE EXAMPLE 7 A coating solution containing 60% dry solids was prepared from 30 parts synthetic silica (commercial name: FK 700, Degusa specific surface 700 m 2 40 parts primary grade kaolin (commercial name: Ultrawhite 90, E.M.C. and 30 parts calcium carbonate (commercial name: Brilliant 15, Shiraishi logo**: as pigments, 11 parts styrene butadiene latex and 11 parts ,2ocasein as binders, and 2 parts calcium stearate as a release agent.
This coating solution was applied to the raw paper of Example 1 by means of a roll coater exactly as in Example 1, excepting that the rate of application was 11 g/m 2 in terms of solids. An ink fusion transfer thermal paper of weighting 103 g/m 2 was thus obtained.
1 6 COMPARATIVE EXAMPLE 8 A coating solution containing 56% dry solids was prepared from 30 parts synthetic silica (commercial name: Syloid 404, Fuji Davison specific surface 300 m 2 and 70 parts 6'calcium carbonate (commercial name: Brilliant 15, Shiraishi K.K.
as pigments, and 22 parts styrene butadiene latex and 2 parts starch oxide as binders.
This coating solution was applied to the raw paper of Example 1 by means of a roll coater such that the rate of Oapplication was 10 g/m 2 and dried to give a coated paper of weighting 102 g/m 2 The coated surface was then smoothed by means of a Super Calendar so as to obtain an ink fusion S* transfer thermal paper.
Coating solution compositions, specific surfaces of 1 /5 synthetic silica and coating amounts used for each of the ink fusion transfer thermal papers in the aforesaid Examples and Comparative Examples are summarized in Table 1. In this Table, the figures in the pigment column represent the ratios synthetic silica/kaolin/calcium carbonate/organic pigment, and the figure fin the binder column represents the ratio latex/casein.
I f
A
1 7 Table 1 of S@ 040 meS Coating Solution Specific Surface Application of Synthetic Silica Rate Pigment Bnder /g M, Example 1 80/20/ 0/ 0 5/ 5 300 2 80/20/ 0/ 0 15/ 15 300 3 100/ 0/ 0/ 0 20/ 20 30 4 100/ 0/ 0/ 0 23/ 20 600 30/40/ 30/ 0 15/ 10 300 12 6 30/40/ 20/10 15/ 15 300 Comparative Example 1 80/20/ 0/ 0 15/ 15 300 3. 2 30/40/ 30/ 0 2/ 2 300 12 3 30/40/ 30/ 0 30/ 30 300 4 5/40/ 55/ 0 15/ 10 300 25/40/ 35/ 0 15/ 15 300 6 30/40/ 20/10 15/ 15 300 7 30/40/ 30/ 0 11/ 11 700 11 8 30/ 0/ 70/ 0 22/ 0 300 18 Paper quality test results and image quality test results for the coated papers obtained as described hereintofore are given in Table 2.
The results shown in Table 2 confirm not only that the ink 6-fusion transfer thermal paper of this invention has a high paper gloss, is tou.gh and of extremely high quality, but also that images recorded on this paper have a high gloss and that the quality of these images is excellent.
9* 9 f I 1 9 Table 2 1 Smoothness (second) Density cm') Gross Degree
M%
19 Image Gross(% Half Tone Dot Surface Proportion M% 25 1 50 1 100 Image Reproducibility Strength of Coating Layer I I Example Va1 *a.
Comparative ,.'Example :*dot 1 7.
8I 0.89 0.90 0. 91 0. 89 0.91 0.87 500 520 630 550 2500 1900 81 81 '74 73 88 85 0 0 0 0 0 0 0.86 0.89 0.91 0.91 0.90 0.98 0.91 1.29 170 300 300 3900 2200 2300 2600 1200 30 50 80 85 75 78 54 28 32 73 83 86 86 85 60 56 83 88 88 66
Claims (11)
1. An ink fusion transfer paper having a recording layer comprising at least one layer on a support, wherein the uppermost layer of the recording layer consists of at least 100 parts by weight of a pigment and 10-50 parts by weight of a binder, the recording layer being applied by cast coating to one or both sides of the support at a rate of 5-50 m 2 /g per side in terms of dry solids, 30-100 weight percent of said pigment consisting of a synthetic silica having a specific surface of 20-600 m 2 and the 75 degree gloss of said uppermost layer of the paper being no less than
2. An ink fusion transfer paper as claimed in claim 1, wherein at least one organic pigment selected from a group consisting of fine particles of styrene resins, acrylic resins and styrene-acrylic copolymer resins is used together with the synthetic silica as the pigment.
3. An ink fusion transfer paper as claimed in claim 2, wherein said organic pigment comprises fine hollow particles of polystyrene or styrene-methylmethacrylate copolymer.
4. An ink fusion transfer paper as claimed in claim 1, wherein the binding agent is an at least one substance selected from a group consisting of a polyvinylalcohol, starches, casein, soy protein, fiber derivatives, styrene-acrylic resins, styrene-butadiene resins, vinyl acetate resins and acrylic resins. *G TTSSKEH *e **In~ *o *oo o BTOO*3:E 21 An ink fusion transfer paper claimed in Claim 4, wherein the starches consist of a starch oxide, a star-O, ester, an enzyme- modified starch or a cationic starch and the fiber derivatives consist of a carboxymethylcellulose or hydroxyethyl cellulose.
6. An ink fusion transfer paper claimed in Claim 1, wherein at least one additives selected from a group consisting of dyes and colored pigments is futher contained in the uppermost layer.
7. An ink fusion transfer paper claimed in Claim 1, wherein at least one fluorescent dyes is further contained in the uppermost layer.
8. An ink fusion transfer paper claimed in Claim 1, wherein the uppermost layer is applied to one or both sides of the support at a rate of 8-30g/m 2 per side in terms of dry solids. .5e 0
9. A manufacturing method of an ink fusion transfer paper claimed S.oo in Claim 1, characterizing that the uppermost layer is prepared by a cast coating method. S e0 A manufacturing method claimed in Claim 9, wherein ak. least one solidifying agent selected from a group consisting of formic acid, acetic acid, succinic acid, tartaric acid, lactic acid, hydrochloric acid, sulfate of a calcium, zinc, barium, lead, magnesium, cadmium, aluminum or potassium potassium succinate, borax or boric acid is contained in a coating solution for uppermost layer. 1 4 22
11. An ink fusion transfer paper having a recording layer comprising at least one layer on a support substantially as hereinbefore described with reference to any one of the Examples but excluding the comparative examples.
12. A manufacturing method of an ink fusion transfer paper substantially as hereinbefore described with reference to any one of the Examples but excluding the comparative examples. Dated 11 March, 1993 Sanyo Kokusaku Pulp Co., Ltd. Patent Attorneys for the Applicant/Nominated Person SPRUSON FERGUSON S **O *e*g C *o oo*o LIbTI\O0170O:SA 1 of 1 A PAPER UIITABLE FOR INK FUSION TRANSFER TYPE THERMAL PRINTER AND COPIERS, AND A MANUFACTURING METHOD THEREOF Abstyact An ink fusion transfer paper having a recording layer at least one layer on a support, this paper being characterized in that the uppermost layer of the recording layer consist of at least 100 parts by weight of a pigment and 10-50 parts by weight of a binder, the layer being applied to one or both sides of the support at a rate of 5-50 g/m 2 per side in terms of dry solids, 30-100 weight percent of the aforesaid pigment consist of a synthetic silica having a specific surface of
20-600 m 2 and the 75 degree gloss of the aforesaid uppermost layer of the paper is no less than 50 and a manufacturing method thereof are disclosed. *i
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP93301845A EP0614766B1 (en) | 1991-11-07 | 1993-03-11 | Coated paper suitable for ink fusion thermal transfer, and manufacture thereof |
| AU35158/93A AU661114B2 (en) | 1993-03-12 | 1993-03-12 | A paper suitable for ink fusion transfer type thermal printer and copiers, and a manufacturing method thereof |
| US08/032,593 US5320898A (en) | 1993-03-11 | 1993-03-17 | Paper suitable for ink fusion transfer type thermal printer and copiers, and a manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU35158/93A AU661114B2 (en) | 1993-03-12 | 1993-03-12 | A paper suitable for ink fusion transfer type thermal printer and copiers, and a manufacturing method thereof |
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| Publication Number | Publication Date |
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| AU3515893A AU3515893A (en) | 1994-11-24 |
| AU661114B2 true AU661114B2 (en) | 1995-07-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5281467A (en) * | 1991-08-27 | 1994-01-25 | Sanyo-Kokusaku Pulp Co., Ltd. | Ink jet recording paper |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5281467A (en) * | 1991-08-27 | 1994-01-25 | Sanyo-Kokusaku Pulp Co., Ltd. | Ink jet recording paper |
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