CN102816467A - Release paint for artificial leather and release paper prepared by utilizing release paint - Google Patents
Release paint for artificial leather and release paper prepared by utilizing release paint Download PDFInfo
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- CN102816467A CN102816467A CN2012103017039A CN201210301703A CN102816467A CN 102816467 A CN102816467 A CN 102816467A CN 2012103017039 A CN2012103017039 A CN 2012103017039A CN 201210301703 A CN201210301703 A CN 201210301703A CN 102816467 A CN102816467 A CN 102816467A
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- release coating
- release
- artificial leather
- grain fraction
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- 239000002649 leather substitute Substances 0.000 title claims abstract description 33
- 239000003973 paint Substances 0.000 title abstract description 9
- 238000000576 coating method Methods 0.000 claims description 91
- 239000011248 coating agent Substances 0.000 claims description 89
- 239000004576 sand Substances 0.000 claims description 23
- 229920005989 resin Polymers 0.000 claims description 13
- 239000011347 resin Substances 0.000 claims description 13
- 241000758789 Juglans Species 0.000 claims description 8
- 235000009496 Juglans regia Nutrition 0.000 claims description 8
- 235000020234 walnut Nutrition 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 3
- 229910001651 emery Inorganic materials 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 3
- 239000006187 pill Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 15
- 239000002245 particle Substances 0.000 abstract description 11
- 239000011247 coating layer Substances 0.000 abstract 5
- 230000001788 irregular Effects 0.000 abstract 2
- 238000007596 consolidation process Methods 0.000 abstract 1
- 238000004088 simulation Methods 0.000 abstract 1
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 21
- 238000000034 method Methods 0.000 description 13
- 239000010985 leather Substances 0.000 description 12
- 238000002360 preparation method Methods 0.000 description 11
- 238000003756 stirring Methods 0.000 description 11
- 239000006185 dispersion Substances 0.000 description 9
- 239000010410 layer Substances 0.000 description 9
- 239000007787 solid Substances 0.000 description 9
- LVGFPWDANALGOY-UHFFFAOYSA-N 8-methylnonyl prop-2-enoate Chemical class CC(C)CCCCCCCOC(=O)C=C LVGFPWDANALGOY-UHFFFAOYSA-N 0.000 description 7
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical class NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 7
- 239000004593 Epoxy Substances 0.000 description 7
- 125000004386 diacrylate group Chemical group 0.000 description 7
- 238000009826 distribution Methods 0.000 description 7
- 239000004615 ingredient Substances 0.000 description 7
- 229920001427 mPEG Polymers 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 229920000647 polyepoxide Polymers 0.000 description 7
- 229940042596 viscoat Drugs 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000004814 polyurethane Substances 0.000 description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000002346 layers by function Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 241001343274 Dichrostachys spicata Species 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [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
- 150000001412 amines Chemical class 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Paper (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses release paint for artificial leather and release paper prepared by utilizing the release paint. The release paint comprises particle components, an average particle size of each particle component is 20-500mum; and the release paper consists of base paper and a bottom coating layer and a release coating layer which are subsequently attached on one side of the base paper surface, the release coating layer is formed by consolidation after being coated with the release paint comprising the particle components, and an average particle size of each particle component is larger than a thickness of the release coating layer. By the adoption of the release paint for artificial leather and the release paper prepared by utilizing the release paint, since irregular distributing bulges are formed on the release coating layer surface of the particle components, irregular distributing pores are correspondingly formed on the artificial leather surface manufactured by utilizing the release paper, higher simulation effects are provided, and the sense of rigidity caused by manual splicing decorative patterns is avoided.
Description
Technical field
The present invention relates to leatheroid processing and manufacturing field, the separate-type paper that is specifically related to the release coating of a kind of used for artificial leather and utilizes this release coating to prepare.
Background technology
Separate-type paper is claimed interleaving paper again, is a kind ofly both can prevent the prepreg adhesion, can protect the not contaminated separate paper of prepreg again.
The separate-type paper that is used for leatheroid production belongs to the coating separate paper, is carrier and the temporary formwork of making polyurethane artificial leather (PU leather) and artificial polyvinyl chloride leather (PVC leather).Separate-type paper has bilayer structure usually: the first layer is the body paper as base material, and the second layer is release dope layer.General method of manufacture is on body paper, to apply one deck undercoat earlier, is used to reduce the infiltration of release coating, is coated with release coating, embossing again and solidifies the release coating of formation on undercoat.Release system component, composite and curing technology are the keys of making such separate-type paper.Curing commonly used mainly contains visible-light curing, ultraviolet curing and electrocuring.
Application number be 200510075370.2 disclosure of the Invention a kind of separated coating film and working method thereof; The release dope layer that is applied by base material and substrate surface constitutes, and it is characterized in that described base material is a plastics film; Described release dope layer is applied and dries and solidify to form by solvent-type organosilicon coating; Described solvent-type organosilicon coating becomes through the preparation of raw material that contains following weight content: silicone resin coating 10-70%, organic solvent 29.5-89.5%, catalyzer 0.03-0.1%; Anchoring agent 0.03-0.1%, bridging agent 0.1-0.7%.
Application number is 200810079831.7 disclosure of the Invention, and a kind of synthetic leather is used separate-type paper, and it is provided with a multi-functional layer between base material and release coating, and the component and the parts by weight thereof of said multi-functional layer are: tackiness agent 40～95; Water 5～60; Tensio-active agent 1～5; The formation material of said release layer comprises alkyd modified silicone resin, melamine resin and acid catalyst.
Application number is 200910193086.3 disclosure of the Invention a kind of release paper for artificial leather and preparation method thereof and application; Through water-dispersed resin, waterborne curing agent, skimmer and water are mixed; Obtain aqueous dispersion type parting agent layer coating material; It is coated on the release body paper, obtains described release paper for artificial leather.
In the prior art, the decorative pattern on the used grain roller of embossing operation in the leatheroid manufacturing processed (like no specified otherwise, said decorative pattern all refers in particular to the decorative pattern of imitative natural leather among the present invention) has determined the picture on surface of the release coating of separate-type paper.Decorative pattern on the grain roller generally imitates the natural leather design; Design fritter decorative pattern (for example imitating the convexity of pore) earlier; Through the fritter decorative pattern be spliced to form the bulk decorative pattern, two little decorative pattern jointing positions unavoidably leave and are prone to the splicing vestige discovered, cause the leatheroid surface pore skewness of processing thus; Texture is stiff, influences simulated effect.
Summary of the invention
The separate-type paper that the invention provides the release coating of a kind of used for artificial leather and utilize this release coating to prepare; The leatheroid that utilizes this separate-type paper to produce has pore form and the distribution that is similar to natural leather, makes the compacting decorative pattern simulated effect on the leatheroid better simultaneously.
The release coating of a kind of used for artificial leather contains grain fraction in the said release coating, and the median size of said grain fraction is 20～500 μ m.
Said grain fraction is for having almost spherical and having certain inflexible material; In release coating, do not dissolve; Be used to form the pore structure on the artificial leather surface, the median size of said grain fraction has determined to utilize the size of the pore on the artificial leather surface of this release coating preparation, can need according to different leatheroids; Select the grain fraction of different-grain diameter, form the pore of different sizes.
Prepare said release coating and can adopt prior art; At room temperature; Grain fraction is added in the prior art in the employed release coating by a certain percentage of the weight, and mixing and stirring can be carried out high speed dispersion or emulsification in case of necessity; Impel the soluble solids components dissolved, obtain the release coating that quality contains grain fraction uniformly.
When using this release coating that contains grain fraction,, should keep ceaselessly stirring, make in the coating grain fraction uniform distribution all the time for avoiding separating out of grain fraction.
In order to increase the simulated effect of artificial leather surface, the median size of said grain fraction should be approaching with the natural leather pore size, and preferably, the median size of said grain fraction is 30～250 μ m.Further preferred, the median size of said grain fraction is 50～100 μ m.
If do not have specified otherwise, the equal particle diameter of median size index of the present invention.
As preferably, said grain fraction weight accounts for 0.01～0.1% of release coating gross weight.
In the gross weight of release coating, the weight percent of said grain fraction is 0.01～0.1%.The weight percent of said grain fraction has determined the density that pore distributes, and the weight percent of grain fraction is big more, and then corresponding pore distributes intensive more; The weight percent of grain fraction is more little; Then the pore distribution is sparse more, and better for the simulated effect that makes the leatheroid that produces, promptly pore distributes more near natural leather; Preferably, said grain fraction weight accounts for 0.2～10% of release coating gross weight.
As preferably, said grain fraction is at least a in powder emery, steel sand, granulated glass sphere, the pill of aluminium, resin sand, plastics sand, walnut sand, aluminum oxide, cerium oxide or the zirconium white.
Said grain fraction needs in the leatheroid manufacturing processed, to keep original form, forms the pore structure on leatheroid surface, can only use a kind of grain fraction, also can use multiple grain fraction simultaneously, realizes the pore emulation on leatheroid surface.At least a in the preferred powder emery of the present invention (being silit), steel sand (also claiming steel ball), granulated glass sphere, the pill of aluminium, resin sand, plastics sand, walnut sand, aluminum oxide, cerium oxide, the zirconium white.
Basic demand to grain fraction among the present invention is keep physics, chemical property stable.And keep unreactiveness between all the other components of release coating, promptly can not produce chemical reaction.
Because grain fraction only is the doping of physical property in release coating; Therefore can confirm for all the other components and the suitable grain fraction of adding of release coating that all the other components and the grain fraction to release coating do not have other strict restrictions under the above principle prerequisite satisfying according to above principle.
As preferably, said grain fraction is at least a in resin sand or the walnut sand.
Resin sand is the particle of being processed by thermoplasticity acrylic or polymerization thermosetting amine, and the tool unreactiveness sees through suitable use and recovery, can reduce the generation of harmful waste, reduces environmental pollution; Walnut sand is by after the nut-shell fragmentation, makes with extra care through strict sifting sort multiple working procedure to form, and hardness is low and not siliceous, has good toughness, can reduce the damage to artificial leather surface.
The present invention also provides a kind of used for artificial leather separate-type paper of utilizing the said release coating that contains grain fraction to prepare, utilizes this separate-type paper can prepare the high imitation leather of fidelity.
A kind of used for artificial leather separate-type paper; By body paper and constitute attached to the undercoat and the release coating of body paper surface one side successively; Described release coating is formed by the described release coating coating after fixing that contains grain fraction, and the median size of said grain fraction is greater than the thickness of release coating.
When being coated with the said release coating that contains grain fraction, should keep stirring, prevent that grain fraction from separating out; Guarantee grain fraction uniform distribution in release coating; The median size of said grain fraction needs the thickness greater than release coating, makes that said grain fraction is given prominence to release coatingsurface behind the release coating curing; Form some particle points of random distribution; When using said separate-type paper manufacturer's fabricate-leather, these particle points can form the aperture of some random distribution on artificial leather surface, as the pore distribution of natural leather.
Said release coating does not contain solvent, can adopt prior art to solidify and also suppress decorative pattern simultaneously, because the existence of grain fraction in the release coating makes the decorative pattern fidelity on the leatheroid surface that makes higher.
Release coating of used for artificial leather provided by the invention and the separate-type paper of utilizing this release coating to prepare; Because grain fraction forms the convexity of random distribution at release coatingsurface; The corresponding pore that forms random distribution on the leatheroid surface that utilizes this separate-type paper to produce; Has higher simulated effect, the stiff sense of having avoided artificial splicing decorative pattern to produce.
Description of drawings
Fig. 1 is a used for artificial leather separate-type paper diagrammatic cross-section of the present invention;
Fig. 2 is a used for artificial leather separate-type paper method of manufacture synoptic diagram of the present invention.
Embodiment
Embodiment 1
In parts by weight; Get 30 parts of isodecyl acrylates, 5 parts of methylacrylic acid perfluoro alkyl ethyls (Zonyl TM), 20 parts of methoxy poly (ethylene glycol)s (350) monomethacrylates, 20 parts of tri (propylene glycol) diacrylates, 10 parts of Viscoat 295s, 2 parts of fluoro epoxies (preparation method sees Chinese patent CN 101497730A embodiment 1), 184,5 parts of diethylenetriamines of 4 parts of Irgacure, 1 part of median size 50 submicron resin sand; At room temperature; Each above-mentioned component is put into container successively to be mixed, stirs and high speed dispersion; Impel liquefiable solid ingredient dissolving, contained the release coating of grain fraction uniformly.
As shown in Figure 1, a kind of used for artificial leather separate-type paper comprises body paper 1, the undercoat 2 and the release coating 3 of body paper 1 a surperficial side.
Basic demand for body paper 1 among the present invention is: quantitative 110～150g/m
2, AKD or rosin/Tai-Ace S 150 applying glue, CaCO
3Filler is lower than 5%; Bulk and intensity to body paper generally can select for use the fiber furnish of needlebush and leaf wood to regulate and control.Body paper can influence the leatheroid separate-type paper quantitatively, performances such as intensity, thermotolerance, coating adhesion, flexibility.
Undercoat 2 can improve the coating performance of release coating on body paper 1 that contains grain fraction between body paper 1 and release coating 3, and strengthens the bonding force between release coating 3 and the body paper 1.Undercoat 2 can apply with any existing conventional leatheroid separate-type paper priming paint (like in benzene emulsion, styrene-butadiene emulsion, pure-acrylic emulsion, the organosilicon crylic acid latex one or more) and obtain; After accomplishing the coating and drying of undercoat 2; On undercoat 2, cover release coating 3; Step is as shown in Figure 2, and is specific as follows:
The release coating for preparing is placed hopper 8; Keep constantly stirring, the release coating that coating roll 7 adheres in the hoppers 8 is with the surface (the B direction of arrow is grain roller 6 turning directions among Fig. 2) of release pigment transfer to grain roller 6 (except that " pore " shape other is carved with on the surface of grain roller 6 in advance need impressing pattern); Under the traction of deflector roll 4 and deflector roll 9; Have the surface of the body paper 1 of undercoat 2, release coating evenly is coated on the undercoat 2, after solidification equipment 5 solidifies through grain roller 6; Form release coating 3, obtain separate-type paper 10 (the A direction of arrow is separate-type paper 10 working direction among Fig. 2).
Embodiment 2
In parts by weight; Get 30 parts of isodecyl acrylates, 5 parts of methylacrylic acid perfluoro alkyl ethyls (Zonyl TM), 20 parts of methoxy poly (ethylene glycol)s (350) monomethacrylates, 20 parts of tri (propylene glycol) diacrylates, 10 parts of Viscoat 295s, 2 parts of fluoro epoxies (preparation method sees Chinese patent CN 101497730A embodiment 1), 184,5 parts of diethylenetriamines of 4 parts of Irgacure, 1.4 parts of median size 70 submicron resin sand; At room temperature; Each above-mentioned component is put into container successively to be mixed, stirs and high speed dispersion; Impel liquefiable solid ingredient dissolving, contained the release coating of grain fraction uniformly.
Press embodiment 1 said method, the release coating that will contain grain fraction is coated on the undercoat 2, obtains separate-type paper 10.
In parts by weight; Get 30 parts of isodecyl acrylates, 5 parts of methylacrylic acid perfluoro alkyl ethyls (Zonyl TM), 20 parts of methoxy poly (ethylene glycol)s (350) monomethacrylates, 20 parts of tri (propylene glycol) diacrylates, 10 parts of Viscoat 295s, 2 parts of fluoro epoxies (preparation method sees Chinese patent CN 101497730A embodiment 1), 184,5 parts of diethylenetriamines of 4 parts of Irgacure, 2 parts of median size 100 submicron resin sand; At room temperature; Each above-mentioned component is put into container successively to be mixed, stirs and high speed dispersion; Impel liquefiable solid ingredient dissolving, contained the release coating of grain fraction uniformly.
Press embodiment 1 said method, the release coating that will contain grain fraction is coated on the undercoat 2, obtains separate-type paper 10.
Embodiment 4
In parts by weight; Get 30 parts of isodecyl acrylates, 5 parts of methylacrylic acid perfluoro alkyl ethyls (Zonyl TM), 20 parts of methoxy poly (ethylene glycol)s (350) monomethacrylates, 20 parts of tri (propylene glycol) diacrylates, 10 parts of Viscoat 295s, 2 parts of fluoro epoxies (preparation method sees Chinese patent CN 101497730A embodiment 1), 184,5 parts of diethylenetriamines of 4 parts of Irgacure, 30 microns walnut sand of 2 parts of median sizes; At room temperature; Each above-mentioned component is put into container successively to be mixed, stirs and high speed dispersion; Impel liquefiable solid ingredient dissolving, contained the release coating of grain fraction uniformly.
Press embodiment 1 said method, the release coating that will contain grain fraction is coated on the undercoat 2, obtains separate-type paper 10.
In parts by weight; Get 30 parts of isodecyl acrylates, 5 parts of methylacrylic acid perfluoro alkyl ethyls (Zonyl TM), 20 parts of methoxy poly (ethylene glycol)s (350) monomethacrylates, 20 parts of tri (propylene glycol) diacrylates, 10 parts of Viscoat 295s, 2 parts of fluoro epoxies (preparation method sees Chinese patent CN 101497730A embodiment 1), 184,5 parts of diethylenetriamines of 4 parts of Irgacure, 250 microns walnut sand of 2 parts of median sizes; At room temperature; Each above-mentioned component is put into container successively to be mixed, stirs and high speed dispersion; Impel liquefiable solid ingredient dissolving, contained the release coating of grain fraction uniformly.
Press embodiment 1 said method, the release coating that will contain grain fraction is coated on the undercoat 2, obtains separate-type paper 10.
Embodiment 6
In parts by weight; Get 30 parts of isodecyl acrylates, 5 parts of methylacrylic acid perfluoro alkyl ethyls (Zonyl TM), 20 parts of methoxy poly (ethylene glycol)s (350) monomethacrylates, 20 parts of tri (propylene glycol) diacrylates, 10 parts of Viscoat 295s, 2 parts of fluoro epoxies (preparation method sees Chinese patent CN 101497730A embodiment 1), 184,5 parts of diethylenetriamines of 4 parts of Irgacure, 70 microns powder emerys of 2 parts of median sizes; At room temperature; Each above-mentioned component is put into container successively to be mixed, stirs and high speed dispersion; Impel liquefiable solid ingredient dissolving, contained the release coating of grain fraction uniformly.
Press embodiment 1 said method, the release coating that will contain grain fraction is coated on the undercoat 2, obtains separate-type paper 10.
Comparative Examples 1
In parts by weight; Get 30 parts of isodecyl acrylates, 5 parts of methylacrylic acid perfluoro alkyl ethyls (Zonyl TM), 20 parts of methoxy poly (ethylene glycol)s (350) monomethacrylates, 20 parts of tri (propylene glycol) diacrylates, 10 parts of Viscoat 295s, 2 parts of fluoro epoxies (preparation method sees Chinese patent CN 101497730A embodiment 1), 184,5 parts of diethylenetriamines of 4 parts of Irgacure, at room temperature; Each above-mentioned component is put into container successively to be mixed, stirs and high speed dispersion; Impel liquefiable solid ingredient dissolving, obtain evenly near the transparent release coating of comparison sample.
Press embodiment 1 said method, the release coating of comparison sample is coated on the undercoat 2, obtain separate-type paper 10.
Performance test:
By following method the separate-type paper of utilizing method of manufacture of the present invention and making is carried out performance test:
The preparation of artificial corium: using scraper coating method (gap is 250 microns) is that 30% leatheroid PU (urethane) resin is evenly coated on the release coating of separate-type paper with solid content; After the drying; On the PU resin layer, coat the PU resin adhesive with the scraper coating method, after drying adheres to the artificial leather base fabric on the surface of tackiness agent; After dry and aging; The PU resin layer that will have the artificial leather base fabric is peeled off from separate-type paper, promptly obtains artificial corium, and the pattern on the artificial corium is corresponding with the pattern on the separate-type paper.
" pore " effect on the range estimation income earner fabricate-leather corium, the result sees table 1.
Table 1
| Pore distributes | The pore size | Process the outward appearance behind the leatheroid | |
| Embodiment 1 | Evenly | Little | Pattern does not have stiff sense, and simulated effect is good |
| Embodiment 2 | Evenly | In | Pattern does not have stiff sense, and simulated effect is |
| Embodiment | |||
| 3 | Evenly | Greatly | Pattern does not have stiff sense, and simulated effect is good |
| Embodiment 4 | Evenly | Little | Pattern does not have stiff sense, and simulated effect is |
| Embodiment | |||
| 5 | Evenly | Greatly | Pattern does not have stiff sense, and simulated effect is good |
| Embodiment 6 | Evenly | In | Pattern does not have stiff sense, and simulated effect is good |
| Comparative Examples 1 | The splicing seams place is slightly poor | In | Pattern is stiff, and simulated effect is poor |
" pore " is evenly distributed, do not have stiff sense after utilizing separate-type paper provided by the invention to process leatheroid, and simulated effect is good, the pore adjustable size.
Claims (8)
1. the release coating of used for artificial leather is characterized in that, contains grain fraction in the said release coating, and the median size of said grain fraction is 20～500 μ m.
2. the release coating of used for artificial leather as claimed in claim 1 is characterized in that, the median size of said grain fraction is 30～250 μ m.
3. the release coating of used for artificial leather as claimed in claim 2 is characterized in that, the median size of said grain fraction is 50～100 μ m.
4. like the release coating of the arbitrary described used for artificial leather of claim 1～3, it is characterized in that said grain fraction weight accounts for 0.01～10% of release coating gross weight.
5. the release coating of used for artificial leather as claimed in claim 4 is characterized in that said grain fraction weight accounts for 0.2～10% of release coating gross weight.
6. the release coating of used for artificial leather as claimed in claim 5 is characterized in that, said grain fraction is at least a in powder emery, steel sand, granulated glass sphere, the pill of aluminium, resin sand, plastics sand, walnut sand, aluminum oxide, cerium oxide, the zirconium white.
7. the release coating of used for artificial leather as claimed in claim 6 is characterized in that, said grain fraction is at least a in resin sand or the walnut sand.
8. used for artificial leather separate-type paper; By body paper and constitute attached to the undercoat and the release coating of body paper surface one side successively; It is characterized in that; Described release coating is formed by the arbitrary described release coating coating after fixing of claim 1～7, and the median size of said grain fraction is greater than the thickness of release coating.
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| CN201210301703.9A CN102816467B (en) | 2012-08-23 | 2012-08-23 | Release paint for artificial leather and release paper prepared by utilizing release paint |
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| CN201210301703.9A CN102816467B (en) | 2012-08-23 | 2012-08-23 | Release paint for artificial leather and release paper prepared by utilizing release paint |
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| CN102816467A true CN102816467A (en) | 2012-12-12 |
| CN102816467B CN102816467B (en) | 2015-06-03 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103350528A (en) * | 2013-07-17 | 2013-10-16 | 浙江池河科技有限公司 | Release paper for high-simulation leather and manufacturing method thereof |
| CN104631208A (en) * | 2014-12-25 | 2015-05-20 | 浙江池河科技有限公司 | Release coating, release paper and applications thereof in manufacturing multicomponent activated polyurethane leather |
| CN106479159A (en) * | 2016-10-31 | 2017-03-08 | 湖南科技大学 | A kind of preparation method of silicon carbide-based polishing synthetic paper |
| CN106633810A (en) * | 2016-10-31 | 2017-05-10 | 湖南科技大学 | Preparation method of special activated carbon synthetic paper |
| CN106633809A (en) * | 2016-10-31 | 2017-05-10 | 湖南科技大学 | Method for preparing alumina-based polishing synthetic paper |
| CN113527739A (en) * | 2021-07-09 | 2021-10-22 | 瑞泰铸纸(东莞)有限公司 | Release film for leather and preparation method thereof |
| WO2024078484A1 (en) * | 2022-10-12 | 2024-04-18 | Avery Dennison Corporation | Non-silicone and non-fluorine release coating comprising polymer binders and micro beads |
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| CN1485387A (en) * | 2002-09-27 | 2004-03-31 | ���ձ�ӡˢ��ʽ���� | Composition for forming matte layer, release sheet, and synthetic leather |
| WO2005083022A1 (en) * | 2004-02-27 | 2005-09-09 | Daicel Chemical Industries, Ltd. | Aqueous polyurethane coating composition |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1485387A (en) * | 2002-09-27 | 2004-03-31 | ���ձ�ӡˢ��ʽ���� | Composition for forming matte layer, release sheet, and synthetic leather |
| WO2005083022A1 (en) * | 2004-02-27 | 2005-09-09 | Daicel Chemical Industries, Ltd. | Aqueous polyurethane coating composition |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350528A (en) * | 2013-07-17 | 2013-10-16 | 浙江池河科技有限公司 | Release paper for high-simulation leather and manufacturing method thereof |
| CN104631208A (en) * | 2014-12-25 | 2015-05-20 | 浙江池河科技有限公司 | Release coating, release paper and applications thereof in manufacturing multicomponent activated polyurethane leather |
| CN106479159A (en) * | 2016-10-31 | 2017-03-08 | 湖南科技大学 | A kind of preparation method of silicon carbide-based polishing synthetic paper |
| CN106633810A (en) * | 2016-10-31 | 2017-05-10 | 湖南科技大学 | Preparation method of special activated carbon synthetic paper |
| CN106633809A (en) * | 2016-10-31 | 2017-05-10 | 湖南科技大学 | Method for preparing alumina-based polishing synthetic paper |
| CN113527739A (en) * | 2021-07-09 | 2021-10-22 | 瑞泰铸纸(东莞)有限公司 | Release film for leather and preparation method thereof |
| WO2024078484A1 (en) * | 2022-10-12 | 2024-04-18 | Avery Dennison Corporation | Non-silicone and non-fluorine release coating comprising polymer binders and micro beads |
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| CN102816467B (en) | 2015-06-03 |
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