CN104592839A - Special coating liquid for stone paper coating and preparation method thereof - Google Patents
Special coating liquid for stone paper coating and preparation method thereof Download PDFInfo
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- CN104592839A CN104592839A CN201410839863.8A CN201410839863A CN104592839A CN 104592839 A CN104592839 A CN 104592839A CN 201410839863 A CN201410839863 A CN 201410839863A CN 104592839 A CN104592839 A CN 104592839A
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- 238000000576 coating method Methods 0.000 title claims abstract description 106
- 239000011248 coating agent Substances 0.000 title claims abstract description 104
- 239000004575 stone Substances 0.000 title claims abstract description 80
- 239000007788 liquid Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 37
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 36
- 239000000839 emulsion Substances 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000005018 casein Substances 0.000 claims abstract description 10
- 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 abstract description 10
- 235000021240 caseins Nutrition 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 4
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 3
- 239000006185 dispersion Substances 0.000 claims description 54
- 239000003795 chemical substances by application Substances 0.000 claims description 31
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 17
- 239000011707 mineral Substances 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 13
- 239000004816 latex Substances 0.000 claims description 12
- 229920000126 latex Polymers 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 11
- 230000002087 whitening effect Effects 0.000 claims description 10
- 235000013305 food Nutrition 0.000 claims description 9
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 6
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 6
- -1 Methyl Hydrogen Chemical compound 0.000 claims description 6
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 6
- SYECJBOWSGTPLU-UHFFFAOYSA-N hexane-1,1-diamine Chemical compound CCCCCC(N)N SYECJBOWSGTPLU-UHFFFAOYSA-N 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000009288 screen filtration Methods 0.000 claims description 6
- 229920002545 silicone oil Polymers 0.000 claims description 6
- 229960001124 trientine Drugs 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 4
- 239000002202 Polyethylene glycol Substances 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 4
- 229920001223 polyethylene glycol Polymers 0.000 claims description 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
- 229910052599 brucite Inorganic materials 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 3
- 238000010008 shearing Methods 0.000 claims description 3
- 239000004113 Sepiolite Substances 0.000 claims description 2
- 239000005083 Zinc sulfide Substances 0.000 claims description 2
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- HIHIPCDUFKZOSL-UHFFFAOYSA-N ethenyl(methyl)silicon Chemical compound C[Si]C=C HIHIPCDUFKZOSL-UHFFFAOYSA-N 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 229910052624 sepiolite Inorganic materials 0.000 claims description 2
- 235000019355 sepiolite Nutrition 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 229910052984 zinc sulfide Inorganic materials 0.000 claims description 2
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 claims description 2
- 238000007639 printing Methods 0.000 abstract description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 2
- 239000002557 mineral fiber Substances 0.000 abstract 2
- 229910052710 silicon Inorganic materials 0.000 abstract 2
- 239000010703 silicon Substances 0.000 abstract 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000003431 cross linking reagent Substances 0.000 abstract 1
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 239000002344 surface layer Substances 0.000 description 6
- 239000002904 solvent Substances 0.000 description 4
- 239000004709 Chlorinated polyethylene Substances 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- 238000003854 Surface Print Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a special coating liquid for stone paper coating and a preparation method thereof. The special coating liquid for stone paper coating is characterized by comprising the following components in parts by weight: 50-60 parts of silicone acrylic emulsion, 20-30 parts of lamellate calcium carbonate, 15-20 parts of organic silicon modified minute mineral fibers, 1-3 parts of casein, 1-1.5 parts of brightener, 0.5-1 part of disperser, 0.2-0.5 part of cross-linking agent, 50-80 parts of water and 10-20 parts of ethanol. The special coating liquid for stone paper coating of the invention is characterized by containing organic silicon modified mineral fibers which have certain wettability to stone papers. Fibers in the coating liquid can penetrate into inorganic powder in the stone paper surface by coating, so as to enhance adhesive force to solve the problem of pulling off inorganic powders in the stone paper by coating during a printing process to enhance applicability of stone paper in high-speed printing.
Description
Technical field
The present invention relates to paper coating arts, be specifically related to a kind of stone paper coating Special coating liquid and preparation method thereof.
Background technology
Along with the rise of low-carbon economy in worldwide, paper industry constantly sought new breakthrough on paper-making technique in recent years.On the basis of synthetic paper, progressively being defined by technological improvement with inorganic powder is the stone paper of main raw material(s).Stone paper solves the problem of the highly energy-consuming of traditional plant fiber papermaking, high pollution, and also solve with Plastic Resin is the defect that the main synthetic paper cost formed is high simultaneously.Current stone paper is widely used at packaging field, to promoting that the development of low-carbon economy plays huge pushing effect.
In order to expand the printing adaptability of stone paper at packaging field, eliminating the limitation in printing, can drastically increase can print degree by surface coated, improve the printing performance of stone paper.In addition, stone paper can improve uniformity coefficient, smoothness, the whiteness of paper surface by coating process, covers the flaw produced in paper moulding process, improves paper overall quality.And stone paper is due to its special composition, it has the dual nature of plastic synthetic paper and plant fiber paper simultaneously, and therefore stone paper surface property is between plastic synthetic paper between nonpolar and plant fiber paper polarity, more special to the requirement of coating fluid.
Synthetic paper is for main raw forms with resins such as polyolefine, surface property shows as nonpolar, by having the coating of cementability at synthetic paper surface-coated one deck, the adaptedness that synthetic paper requires ink product, typography and printing quality can be improve.As Harbin Engineering University Cao Li develops a kind of Coating Solution of PP Synthetic Paper, main employing chlorinatedpolyethylene (CPE) is bonding major ingredient, calcium carbonate (CaCO3) is stopping composition, be aided with interface modifier, show through shearing resistance test, CPE coating liquid is good to polyacrylic cementability; Chinese invention patent CN101457056 discloses a kind of synthetic paper coating and its production and use, and this coating comprises 10 ~ 20% waste polystyrene foam plastics, 50 ~ 60% toluene, is a kind of solvent based coating.Stone paper is for main composition with inorganic microfine powder, because the polarity of synthetic paper and stone paper there are differences, when the coating solution that synthetic paper is conventional is used for stone paper coating, coating easily comes off, especially when high speed printing, inorganic powder in stone paper is easily pulled produces plucking phenomenon, causes coating shedding.
In order to obtain the coated coating that stone paper adapts to, Chinese invention patent CN102675989B discloses a kind of coating fluid for surface of environment-friendlyrich rich mineral paper, this invention in order to solve existing stone paper Surface feel coarse, lack the problems such as gloss, intensity is low, bending performance is poor, propose coating fluid composition use SBR emulsion improve ring stone paper Surface feel, planarization, flexibility, printing performance; The stone paper that Chinese invention patent CN 101768893A discloses a kind of stone paper coating and makes, its coating is the binder resin utilizing water soluble acrylic resin to do coating, with ceramics powder for main material and made by other auxiliary auxiliary agent.Owing to adopting water-latex type film forming material, bad to stone paper wettability of the surface, stone paper lacks the tack of paper fiber in addition, thus reduces sticking power, even when applying there is contraction on stone paper surface in water-borne coatings, causes boning loosely between coating and stone paper body paper.
According to above-mentioned, because the surface property of stone paper is between plastic synthetic paper and traditional plant fibrous paper, use synthetic paper coated coating that the inorganic powder of stone paper surface layer can be caused to be pulled when printing; Use water milk type coating owing to lacking the tack of paper fiber, bond loosely between coating and stone paper body paper.
Summary of the invention
For current stone paper coating exist attachment loosely, printing time stone paper in the inorganic powder easily coated problem pulled, the present invention proposes a kind of stone paper coating Special coating liquid, this coating fluid contains organic-silicon-modified mineral fibre, to stone paper, there is certain wetting property, strengthen sticking power between the inorganic powder fiber in coating fluid being soaked into insert in stone paper surface layer by coating, the inorganic powder easily coated problem pulled when solving printing in stone paper, makes the high speed printing adaptive of stone paper strengthen.The preparation method of stone paper coating Special coating liquid is provided further.
A kind of stone paper coating Special coating liquid, is achieved by the following technical solution:
A kind of stone paper coating Special coating liquid, is characterized in that: each component of composition is counted by weight:
Organosilicon crylic acid latex 50-60 part,
Flaky calcium carbonate 20-30 part,
Organic-silicon-modified Separate Fine-grained Minerals fiber 15-20 part,
Casein food grade 1-3 part,
Whitening agent 1-1.5 part,
Dispersion agent 0.5-1 part,
Linking agent 0.2-0.5 part,
Water 50-80 part,
Ethanol 10-20 part,
Described organosilicon crylic acid latex is solid content 55-60%, and viscosity is the white liquid of 2500-3000S.
Described flaky calcium carbonate is that particle diameter is less than 5 microns, and radius-thickness ratio is greater than 8, the sheet fine calcium carbonate that whiteness is greater than 95%.
Described organic-silicon-modified Separate Fine-grained Minerals fiber is at least one in the organic-silicon-modified fine ca silicate fibre obtained by coating modification by least one in dimethyl silicone oil, Methyl Hydrogen Polysiloxane Fluid, methylhydroxy silicone oil, amino-modified silicone oil, methyl vinyl silicon oil, organic-silicon-modified fine calcium sulfate crystal whiskers fiber, organic-silicon-modified fine calcium carbonate whisker fibre, organic-silicon-modified fine brucite fiber, organic-silicon-modified fine sepiolite fibre, the median size of organic-silicon-modified Separate Fine-grained Minerals fiber is 5 ~ 10 microns, and length is 8 ~ 12/1.
Described casein food grade is used for the emulsification thickening of system.
Described whitening agent is at least one in titanium dioxide, zinc sulfide white, process white.
Described dispersion agent is the one in polyacrylic ester, polyethylene glycol acrylate block thing, and organic-silicon-modified Separate Fine-grained Minerals fiber can be made to be connected with organosilicon crylic acid latex.
Described linking agent is made up of with mass ratio 3:2:1 triethylene tetramine, hexanediamine, diethylenetriamine, stable during low temperature, time dry after coating solution, the rising linking agent along with temperature impels the inorganic powder crosslinking curing in organic-silicon-modified Separate Fine-grained Minerals fiber and stone paper, increases sticking power.
In order to ensure stone paper coating fluid quick volatile dry in coating drying, adopt the mixing of ethanol water as solvent.
The preparation method of a kind of stone paper coating of the present invention Special coating liquid, is characterized in that carrying out in the following manner:
1), the casein food grade of the ethanol of the water of 50-100 weight part, 10-20 weight part, 1-3 weight part, the dispersion agent of 0.5-1 weight part are added emulsion dispersion machine, start emulsion dispersion machine, under 800-1000rpm speed conditions, import the flaky calcium carbonate of 20-30 weight part, emulsion dispersion 20-30min obtains dispersion;
2) disperse the dispersion obtained to deliver in shredder the organic-silicon-modified Separate Fine-grained Minerals fiber of the organosilicon crylic acid latex of 50-60 weight part, 15-20 weight part and step 1), under the speed of 1000-2000rpm, grind 10-15min, obtain slurry;
3) by step 2) slurry that obtains is transferred in emulsion dispersion machine, add the linking agent of 0.2-0.5 weight part, imported by the whitening agent of 1-1.5 weight part under 800-1000rpm speed conditions, 3-5min is through 80-100 object screen filtration in dispersion, obtains stone paper coating Special coating liquid.
Above-mentioned steps 1), 3) described in emulsion dispersion machine be a kind of powder-liquid dispersing and mixing pump, the high speed rotating of rotor is utilized to produce vacuum, and powder continuous uniform is imported in the liquid of stream fortune fast, through shearing chamber by moment dispersed mixing, because liquid and powder are discontiguous mutually before combination, only has moment before combination, powder is imported among liquid stream by disperse shape, so powder-liquid mixes, can not produce conglomeration, skinning, can continous way produce.
Above-mentioned preparation method's step 2) shredder that adopts is rod mill, to ensure that the length-to-diameter ratio of mineral fibre is not destroyed.
A kind of stone paper coating of the present invention Special coating liquid, this coating fluid contains organic-silicon-modified Separate Fine-grained Minerals fiber and has certain wetting property to stone paper, when being coated with stone paper, organic-silicon-modified Separate Fine-grained Minerals fiber is by soaking into the Adhesion enhancement of the inorganic powder chien shih coating inserting stone paper surface layer, further in coating solution coating drying process, there is curing cross-linked bonding force to strengthen, the inorganic powder of stone paper surface layer is fixed, effectively prevent the inorganic powder in stone paper from being pulled, make the stone paper coating of surface property between plastic synthetic paper and traditional plant fibrous paper adhere to stability to strengthen, the high speed printing adaptive of stone paper strengthens.Because coating fluid is between neutrality, the mode of printings such as lithographic plate, relief printing plate, intaglio plate, hectograph, silk screen and soft version can be adopted, water color ink, solvent type ink printing can be used, also directly can write with pencil, oiliness ballpoint pen, water-based pen, gel ink pen.Significantly widen the application of stone paper.
A kind of stone paper coating of the present invention Special coating liquid and preparation method thereof, compared with prior art, its outstanding feature and excellent effect are:
1, stone paper coating Special coating liquid of the present invention contains organic-silicon-modified Separate Fine-grained Minerals fiber, have certain wetting property to stone paper, when being coated with stone paper, organic-silicon-modified Separate Fine-grained Minerals fiber is by soaking into the Adhesion enhancement of the inorganic powder chien shih coating inserting stone paper surface layer.
2, stone paper coating Special coating liquid of the present invention, in coating solution coating drying process, there is curing cross-linked bonding force to strengthen, the inorganic powder of stone paper surface layer is fixed, effectively prevent the inorganic powder in stone paper from being pulled, make the stone paper coating of surface property between plastic synthetic paper and traditional plant fibrous paper adhere to stability to strengthen, the high speed printing adaptive of stone paper strengthens.
3, stone paper coating Special coating liquid of the present invention, because coating fluid is between neutrality, the mode of printings such as lithographic plate, relief printing plate, intaglio plate, hectograph, silk screen and soft version can be adopted, water color ink, solvent type ink printing can be used, also directly can write with pencil, oiliness ballpoint pen, water-based pen, gel ink pen, significantly widen the application of stone paper.
4, the preparation method of stone paper coating Special coating liquid of the present invention, technique is briefly easily controlled, solvent-free pollutant emission, is suitable for large-scale continuous production.
Embodiment
Below by way of embodiment, the present invention is described in further detail, but this should be interpreted as scope of the present invention is only limitted to following example.When not departing from aforesaid method thought of the present invention, the various replacement made according to ordinary skill knowledge and customary means or change, all should be within the scope of the present invention.
embodiment 1
1), the casein food grade of the ethanol of the water of 50 weight parts, 20 weight parts, 1 weight part, the dispersion agent polyacrylic ester of 0.5 weight part are added emulsion dispersion machine, start emulsion dispersion machine, under 800rpm speed conditions, import the flaky calcium carbonate of 20 weight parts, emulsion dispersion 20min obtains dispersion;
2) disperse the dispersion obtained to deliver in shredder the organic-silicon-modified fine ca silicate fibre of the organosilicon crylic acid latex of 60 weight parts, 15 weight parts and step 1), under the speed of 1000rpm, grind 15min, obtain slurry;
3) by step 2) slurry that obtains is transferred in emulsion dispersion machine, add the linking agent that 0.2 weight part is made up of with mass ratio 3:2:1 triethylene tetramine, hexanediamine, diethylenetriamine, under 800rpm speed conditions, the whitening agent of 1 weight part is imported, 3min is through 80-100 object screen filtration in dispersion, obtains stone paper coating Special coating liquid.
Coating fluid embodiment obtained is used for stone paper coating, glue spread 25g/m2.Obtain the coating of whiteness about 91%, surface printing intensity is 4.3m/s.
embodiment 2
1), the dispersion agent polyethylene glycol acrylate block thing of the casein food grade of the ethanol of the water of 80 weight parts, 15 weight parts, 2 weight parts, 1 weight part is added emulsion dispersion machine, start emulsion dispersion machine, under 1000rpm speed conditions, import the flaky calcium carbonate of 30 weight parts, emulsion dispersion 20-30min obtains dispersion;
2) disperse the dispersion obtained to deliver in shredder the organic-silicon-modified fine calcium sulfate crystal whiskers fiber of the organosilicon crylic acid latex of 60 weight parts, 20 weight parts and step 1), grind 15min at a speed of 1500 rpm, obtain slurry;
3) by step 2) slurry that obtains is transferred in emulsion dispersion machine, add the linking agent that 0.3 weight part is made up of with mass ratio 3:2:1 triethylene tetramine, hexanediamine, diethylenetriamine, under 900rpm speed conditions, the whitening agent of 1 weight part is imported, 5min is through 80-100 object screen filtration in dispersion, obtains stone paper coating Special coating liquid.
Coating fluid embodiment obtained is used for stone paper coating, glue spread 20g/m2.Obtain the coating of whiteness about 89%, surface printing intensity is 4.8m/s.Coating covers evenly, and surface smoothness is high, and printability is good, can replace the tradition such as enamelled paper, ivory board in printing packaging field
High-grade paper.
embodiment 3
1), the casein food grade of the ethanol of the water of 90 weight parts, 20 weight parts, 3 weight parts, the dispersion agent polyacrylic ester of 1 weight part are added emulsion dispersion machine, start emulsion dispersion machine, under 1000rpm speed conditions, import the flaky calcium carbonate of 20 weight parts, emulsion dispersion 25min obtains dispersion;
2) disperse the dispersion obtained to deliver in shredder the organic-silicon-modified fine calcium carbonate whisker fibre of the organosilicon crylic acid latex of 60 weight parts, 20 weight parts and step 1), under the speed of 2000rpm, grind 15min, obtain slurry;
3) by step 2) slurry that obtains is transferred in emulsion dispersion machine, add the linking agent that 0.5 weight part is made up of with mass ratio 3:2:1 triethylene tetramine, hexanediamine, diethylenetriamine, under 800rpm speed conditions, the whitening agent of 1.5 weight parts is imported, 5min is through 80-100 object screen filtration in dispersion, obtains stone paper coating Special coating liquid.
embodiment 4
1), the dispersion agent polyethylene glycol acrylate block thing of the casein food grade of the ethanol of the water of 60 weight parts, 20 weight parts, 1 weight part, 0.5 weight part is added emulsion dispersion machine, start emulsion dispersion machine, under 1000rpm speed conditions, import the flaky calcium carbonate of 30 weight parts, emulsion dispersion 30min obtains dispersion;
2) disperse the dispersion obtained to deliver in shredder the organic-silicon-modified fine brucite fiber of the organosilicon crylic acid latex of 60 weight parts, 20 weight parts and step 1), under the speed of 2000rpm, grind 10min, obtain slurry;
3) by step 2) slurry that obtains is transferred in emulsion dispersion machine, add the linking agent that 0.4 weight part is made up of with mass ratio 3:2:1 triethylene tetramine, hexanediamine, diethylenetriamine, under 800rpm speed conditions, the whitening agent of 1 weight part is imported, 3min is through 80-100 object screen filtration in dispersion, obtains stone paper coating Special coating liquid.
Claims (3)
1. a stone paper coating Special coating liquid, is characterized in that: each component of composition is counted by weight:
Organosilicon crylic acid latex 50-60 part,
Flaky calcium carbonate 20-30 part,
Organic-silicon-modified Separate Fine-grained Minerals fiber 15-20 part,
Casein food grade 1-3 part,
Whitening agent 1-1.5 part,
Dispersion agent 0.5-1 part,
Linking agent 0.2-0.5 part,
Water 50-80 part,
Ethanol 10-20 part,
Wherein, described organosilicon crylic acid latex is solid content 55-60%, and viscosity is the white liquid of 2500-3000S; Described flaky calcium carbonate is that particle diameter is less than 5 microns, and radius-thickness ratio is greater than 8, the sheet fine calcium carbonate that whiteness is greater than 95%; Described organic-silicon-modified Separate Fine-grained Minerals fiber is at least one in the organic-silicon-modified fine ca silicate fibre obtained by coating modification by least one in dimethyl silicone oil, Methyl Hydrogen Polysiloxane Fluid, methylhydroxy silicone oil, amino-modified silicone oil, methyl vinyl silicon oil, organic-silicon-modified fine calcium sulfate crystal whiskers fiber, organic-silicon-modified fine calcium carbonate whisker fibre, organic-silicon-modified fine brucite fiber, organic-silicon-modified fine sepiolite fibre, the median size of organic-silicon-modified Separate Fine-grained Minerals fiber is 5 ~ 10 microns, and length is 8 ~ 12/1; Described whitening agent is at least one in titanium dioxide, zinc sulfide white, process white; Described dispersion agent is the one in polyacrylic ester, polyethylene glycol acrylate block thing; Described linking agent is made up of with mass ratio 3:2:1 triethylene tetramine, hexanediamine, diethylenetriamine.
2. the preparation method of a kind of stone paper coating Special coating liquid as claimed in claim 1, is characterized in that carrying out in the following manner:
1), the casein food grade of the ethanol of the water of 50-100 weight part, 10-20 weight part, 1-3 weight part, the dispersion agent of 0.5-1 weight part are added emulsion dispersion machine, start emulsion dispersion machine, under 800-1000rpm speed conditions, import the flaky calcium carbonate of 20-30 weight part, emulsion dispersion 20-30min obtains dispersion;
2) disperse the dispersion obtained to deliver in shredder the organic-silicon-modified Separate Fine-grained Minerals fiber of the organosilicon crylic acid latex liquid of 50-60 weight part, 15-20 weight part and step 1), under the speed of 1000-2000rpm, grind 10-15min, obtain slurry;
3) by step 2) slurry that obtains is transferred in emulsion dispersion machine, add the linking agent of 0.2-0.5 weight part, under 800-1000rpm speed conditions, the whitening agent of 1-1.5 weight part is imported, dispersion 3-5min, through 80-100 object screen filtration, obtain stone paper coating Special coating liquid.
3. the preparation method of a kind of stone paper coating Special coating liquid according to claim 2, it is characterized in that step 1), emulsion dispersion machine described in step 3) is a kind of powder-liquid dispersing and mixing pump, the high speed rotating of rotor is utilized to produce vacuum, and powder continuous uniform is imported in the liquid of stream fortune fast, through shearing chamber by moment dispersed mixing, because liquid and powder are discontiguous mutually before combination, only has moment before combination, powder is imported among liquid stream by disperse shape, so powder-liquid mixes, conglomeration can not be produced, skinning, can continous way produce.
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