CN105176377A - Dual-curing microgravure-coating hardening liquid and hardened-coating-containing PET (polyethylene terephthalate) hardened film - Google Patents
Dual-curing microgravure-coating hardening liquid and hardened-coating-containing PET (polyethylene terephthalate) hardened film Download PDFInfo
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- CN105176377A CN105176377A CN201510738880.7A CN201510738880A CN105176377A CN 105176377 A CN105176377 A CN 105176377A CN 201510738880 A CN201510738880 A CN 201510738880A CN 105176377 A CN105176377 A CN 105176377A
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Abstract
The invention relates to a dual-curing microgravure coating hardening liquid. The invention is characterized in that the hardening liquid comprises a component A and a component B in a mixing ratio of 6:4-9:1. The component A comprises the following ingredients in parts by weight: 25-75 parts of hydroxyacrylic-acid-containing low polymer, 10-5 parts of cyclic acrylic acid low polymer, 1-5 parts of photoinitiator, 20-65 parts of solvent and 0.1-3 parts of surfactant. The component B comprises 5-30 parts by weight of aliphatic polyurethane acrylic acid. The hardening liquid adopts dual curing, and has excellent adhesive force and excellent optical properties between untreated PET (polyethylene terephthalate) substrate surfaces.
Description
Technical field
The present invention relates to a kind of hardening liquid, be specifically related to optics PET cured film and curing process thereof that a kind of dual cure nick is coated with hardening liquid and contains hardening coat.
Background technology
Photoelectric display industry development is swift and violent, and transmittance is high, thin, be gently the Main way of its development.Pet base material, owing to having high transmittance, low weight, becomes main photoelectric display base material gradually.In order to prevent its surface to be scratched, make up the defect on surface, increase transmittance and the wear-resisting character such as antifouling, people often increase one deck hardening coat.But pet sheet face can be low, and general hardening liquid sticking power is unsatisfactory, therefore will carry out the measures such as surperficial precoating, corona treatment to pet base material, although adhesion problem can be solved add cost simultaneously, also with reducing optical property.General coating process and dry solidification technique easily cause surface imperfection, as large in stress after surface irregularity, coating curing, became uneven and produce rainbow line, warpage etc. problem, in order to solve the problems of the technologies described above, those skilled in the art is also in continuous trial, but the effect of product is unsatisfactory, therefore, a kind of new scheme of exigence solves the problems of the technologies described above.
Summary of the invention
In order to solve above-mentioned Problems existing, the invention discloses a kind of dual cure nick coating hardening liquid and the optics PET cured film containing hardening coat, this hardening liquid adopts dual cure between undressed pet substrate surface, have excellent sticking power and excellent optical property.
To achieve these goals, technical scheme of the present invention is as follows, a kind of dual cure nick coating hardening liquid, it is characterized in that, described hardening liquid comprises the component A of hardening liquid and the B component of hardening liquid, the component A of described hardening liquid and the B component blending ratio of hardening liquid are at 6:4 ~ ~ 9:1, wherein the component A of hardening liquid is by weight: hydroxy acryl acid oligopolymer 25 ~ 75 parts, circular acrylic acid oligomer 10 ~ 5 parts, light trigger 1 ~ 5 part, solvent 20 ~ 65 parts, 0.1 ~ 3 part, tensio-active agent; The B component of hardening liquid is aliphatic polyurethane type vinylformic acid 5 ~ 30 weight part by weight.Hydroxy acryl acid ester oligomer in component A and the aliphatic polyurethane type origoester acrylate in B component are except UV radio polymerization, NCO-reaction in hydroxy acryl acid ester oligomer in-OH and aliphatic polyurethane type origoester acrylate further increases the molecular weight of hardened layer, thus adds the hardness of coating, wear resistance and sticking power; NCO-group in B component can with carrier PET(polyethylene terephthalate) in hydroxyl-OH react and produce chemical bond, strengthen greatly the sticking power between hardened layer and carrier PET.In this technical scheme, the kind of described light trigger is as follows, BP, 651, 907, ITX, 1173, 184, 2959, 784, 1-hydroxy-cyciohexyl benzophenone (Irgacure184), dimethoxybenzoin, 2-methyl isophthalic acid-(4-methylthio group phenyl)-2-morpholine-1-acetone (Irgacure907), 2, 4, 6-trimethylbenzoyl diphenyl phosphine oxide (TPO), isopropyl thioxanthone, 4-methyl benzophenone, 4-phenyl benzophenone (4-BPZ), benzyl dimethyl amino ethyl ester, 4-dimethyl ethyl aminobenzoate, 2-benzoyl methyl benzoate or their mixture, these Photoepolymerizationinitiater initiaters can be used alone or in combination, wherein, preferred 1-hydroxy-cyciohexyl benzophenone (Irgacure184), 2, 4, 6-trimethylbenzoy-dipheny phosphine oxide (TPO), 2-hydroxy-2-methyl-1-phenyl-acetone-1(Irgacure1173) etc.Aliphatic polyurethane type acrylate is listed below: Bayer Bitterfeld GmbH (bayer) UAVPLS2337, UAVPLS2396, UAXP2510 etc., they not only participate in the addition reaction that the light-initiated radical polymerization of UV also occurs between NCO-/-OH, not only with component reaction in coating also with base material generation chemically crosslinked, significantly improve the sticking power between coating and base material, the preferred proportion of component A and B component is 7:3 ~ 8:2.
As a modification of the present invention, described hydroxy acryl acid oligopolymer is the mixture of the low functional acrylic ester oligomer of hydroxyl polyfunctional acrylic ester oligopolymer and hydroxyl, and both proportions are between 7:3 ~ ~ 3:7.Containing the low functionality origoester acrylate of hydroxyl with containing cyclic acrylic ester oligomer in hardening liquid coating, the generation of stress in membrane process effectively can be reduced in UV radio polymerization, enhance pet vector and hardening liquid solidify after Intermolecular Forces, enhance the sticking power between hardened layer and PET.
As a modification of the present invention, described solvent is the mixture of ketone ester class and alcoholic solvent, each ratio of component is by weight: ketone 30 ~ ~ 70 parts, ester class 0 ~ ~ 70 part, preferably, ketone 45 ~ ~ 55 parts, ester class 30 ~ ~ 45 parts, described ketone and the optional kind of based organic solvent as follows, acetone, methyl ethyl ketone, mibk, pimelinketone, ritalin, vinyl acetic monomer, propyl acetate, N-BUTYL ACETATE etc.Above-mentioned ketone and esters solvent have stronger solvency power and select the ester class of different evaporation rates and the solvent of ketone, make hardening liquid have suitable drying gradient to ensure that coating has good levelling property and glossiness.
As a modification of the present invention, the fluorine carbon silicone compounds that described tensio-active agent is reactive fluorine-containing tensio-active agent or can rolls into a ball containing propylene acid tube, adding of reactive fluorine-containing carbon silicone surfactant, the surface tension of bubble and reduction coating fluid can be eliminated on the one hand, make coating fluid can well soak carrier and realize good sprawling, improve sticking power and profile pattern; It participates in reaction and gives the performances such as the resistance to fingerprint of hardened layer, anti-pollution on the other hand, makes it can not separate out from coating simultaneously, ensure that the stability of product owing to participating in UV curing reaction.Described tensio-active agent is that reactive fluorochemical surfactant is listed below: U.S. waffle work KY-1203, Japan cross limit chemistry FTERGENT601AD, FTERGENT601ADH2, FTERGENT650A etc., participate in UV curing reaction, there is good levelling property, didirtresistance.Response type fluorochemical surfactant can reduce the surface tension of hardening liquid, make hardening liquid fully can soak support surface before crosslinking curing, thus produce good spreading ability, and improve the perviousness of hardening liquid, increase carrier and the interactional adsorption site of polymer molecular chain, thus obtain good sticking power, also obtain good antifouling property, preferred addition is 1%-2% simultaneously.
As a modification of the present invention, described aliphatic polyurethane type acrylate is NCO-group content is that 5%--15% can dual cure urethane acrylate.
As a modification of the present invention, described hydroxyl polyfunctional group acrylic acid oligomer is as follows, third oxidation trimethyol propane triacrylate, third oxidation five vinylformic acid dipentaerythritol ester, six vinylformic acid dipentaerythritol ester etc., trimethyol propane triacrylate, pentaerythritol triacrylate, pentaerythritol tetracrylate, ethoxyquin pentaerythritol triacrylate, described hydroxyl low functional group acrylic acid oligomer is as follows, hexanodioic acid diacrylic acid pentyl diol ester, hydroxy new pentane acid diacrylic acid pentyl diol ester, diacrylate bicyclopentyl ester, diacrylate 1, 4-butanediol ester, 1, 6 hexanediol diacrylate, diacrylic acid pentyl diol ester, diacrylate macrogol ester, Triethylene glycol dimethacrylate, with the diacrylate dicyclopentenyl ester of caprolactone modification, with the diacrylate of ethylene-oxide-modified phosphoric acid, by the diacrylate cyclohexyl ester that allyl group replaces, diacrylate isocyanuric acid ester, oxyethyl group diacrylic acid pentyl diol ester, Hydroxyethyl acrylate, 2-benzene oxygen ethyl propylene acid esters, isobornyl acrylate, described circular acrylic acid oligomer is as follows, tricyclic decane Dimethanol Diacrylate, 3,3,5-trimethylammonium cyclohexyl acrylate, tetrahydrofuran (THF) acrylate, alkoxide tetrahydrofuran (THF) acrylate, isobornyl acrylate, tetrahydrofuran methyl acrylate, isobornyl methacrylate, tetrahydrofurfuryl acrylate, one or more in oligopolymer cited in hydroxyl polyfunctional group acrylic acid oligomer described above, hydroxyl low functional group acrylic acid oligomer, circular acrylic acid oligomer are used in combination.
A kind of optics PET cured film, is characterized in that, described PET cured film adopts accurate nick to be coated with hardening liquid described in arbitrary claim in the claims 1-5, through a kind of cured film of super-dry after fixing with optics PET for carrier.In this technical scheme, above-mentioned hardening liquid is coated with on a pet film by nick, through IR bake again after hot-air oven, after ultraviolet reverse side and front illuminated solidify completely, obtain hardening film again, in this technical scheme, pet vector requires without obviously to scratch and brilliant point, mist degree≤1.5%, total light transmittance >=89%, smooth without warpage etc.
As a modification of the present invention, the coating hardness after described hardening liquid sclerosis is greater than 1H, the coat-thickness 2-10 micron after described hardening liquid sclerosis.The hardness of the cured film in the present invention, as hardness >=1H, can provide sufficient wear resistance, preferred hardness is 1H to 3H; The thickness of hardening coat is 2-10 μm, and be that its wear resistance can not show fully when thickness is less than 2 microns, preferential thickness is between 2-5 micron.
As a modification of the present invention, above-mentioned coating fluid adopts accurate nick coating method, selects the anilox roll of 100-250 linear diameter Ф 20-50mm to be coated with, surface covered 5-20 m/min.
As a modification of the present invention, described drying mode is various ways combination drying, specific as follows, and successively by far infrared drying baking oven → warm air drying baking oven → ultraviolet back side illuminaton baking oven → ultraviolet front illuminated baking oven, whole process time is at 1.5-3 minute; IR bake temperature controls at 40--70 DEG C, and warm air drying temperature section controls at 60--100 DEG C, and uv irradiating energy is at 300mj/cm
2~ 1000mj/cm
2between.First through IR bake after above-mentioned coating solution, can realize heating from coat inside because far infrared has stronger penetrativity, reach first from inner dry effect, and coating fluid surface of hardening still has higher mobility, make hardening coat more even uniform and reduce coating internal stress, after IR bake, thoroughly make the organic solvent volatilization in coating clean through hot-air oven again, UV-light first irradiates (back side of hardening liquid) from PET face, and make coating first from inner vigorous reaction, surface is still half flow state thus discharges the internal stress produced due to film forming, great raising sticking power, reduce the planarization of warping phenomenon and increase coating.
Relative to prior art, advantage of the present invention is as follows, 1) contain the low functionality origoester acrylate of hydroxyl in this technical scheme in hardening liquid coating and contain cyclic acrylic ester oligomer, the generation of stress in membrane process effectively can be reduced in UV radio polymerization, enhance pet vector and hardening liquid solidify after Intermolecular Forces, enhance the sticking power between hardened layer and PET, 2) in this technical scheme, hydroxy acryl acid ester oligomer in component A and the aliphatic polyurethane type origoester acrylate in B component are except UV radio polymerization, NCO-reaction in hydroxy acryl acid ester oligomer in-OH and aliphatic polyurethane type origoester acrylate further increases the molecular weight of hardened layer, thus adds the hardness of coating, wear resistance and sticking power, NCO-group in B component can with carrier PET(polyethylene terephthalate) in hydroxyl-OH react and produce chemical bond, strengthen greatly the sticking power between hardened layer and carrier PET, 3) in optics PET cured film curing process, first through IR bake after coating solution, can realize heating from coat inside because far infrared has stronger penetrativity, reach first from inner dry effect, and coating fluid surface of hardening still has higher mobility, make hardening coat more even uniform and reduce coating internal stress, after IR bake, thoroughly make the organic solvent volatilization in coating clean through hot-air oven again, UV-light first irradiates (back side of hardening liquid) from PET face, and make coating first from inner vigorous reaction, surface is still half flow state thus discharges the internal stress produced due to film forming, great raising sticking power, reduce the planarization of warping phenomenon and increase coating, 4) the adding of reactive flucride siloxane tensio-active agent in this technical scheme, bubble can be eliminated on the one hand and reduce the surface tension of coating fluid, make coating fluid well soak carrier and realize good sprawling, raising sticking power and profile pattern, it participates in reaction and gives the performances such as the resistance to fingerprint of hardened layer, anti-pollution on the other hand, makes it can not separate out from coating simultaneously, ensure that the stability of product owing to participating in UV curing reaction, 5) the present invention gives overall consideration to from formulating of recipe to dry solidification, takes the sticking power of many kinds of measures on the one hand between enhancing hardening coat and PET, hundred lattice method test results 100/100, enhance the levelling effect of coating on the other hand, make product surface more smooth, substantially reduce the stress produced in UV film-forming process simultaneously, prevent the phenomenons such as product warpage, also improve optical property, total light transmittance >=93%, mist degree≤0.3%, 6) this technical scheme cost is lower, is convenient to apply on a large scale.
Embodiment
In order to deepen, to understanding of the present invention and understanding, below in conjunction with embodiment, to illustrate the present invention further.
embodiment 1:
A kind of dual cure nick coating hardening liquid,
Component A proportioning is as follows:
Six vinylformic acid dipentaerythritol ester 20 parts,
Hydroxyethyl acrylate 14 parts,
Tetrahydrofuran (THF) acrylate 15 parts
Light trigger Irgacure11733 part,
Methyl ethyl ketone 35 parts,
Vinyl acetic monomer 13 parts,
Pimelinketone 5 parts,
FTERGENT601AD0.1 part,
B component is as follows:
UAVPLS233710 part;
To in 20 part of six vinylformic acid dipentaerythritol resin (Taiwan DSM), add 14 parts of hydroxyethyl acrylate monomers, add tetrahydrofuran (THF) acrylate 15 parts, add 3 parts of light trigger Irgacure1173, the mixture obtained is diluted with the mixed solvent of the pimelinketone of 35 parts of methyl ethyl ketones, 13 parts of vinyl acetic monomers and 5 parts, then the fluorochemical surfactant FTERGENT601AD of 0.1 weight part is added, stir, obtain hardening liquid component A, weigh the acrylate UAVPLS2396(Bayer containing isocyanic ester of 10 weight parts), obtain hardening liquid B component.
Mixed by A and B before using, nick coating on a pet film, through IR bake (50 DEG C) again after hot-air oven (60--90 DEG C), then obtains hardening film after ultraviolet reverse side and front illuminated solidify completely.
embodiment 2:
A kind of dual cure nick coating hardening liquid,
Component A proportioning is as follows
Pentaerythritol triacrylate 20 parts,
Trimethyol propane triacrylate 10 parts,
Tetrahydrofuran (THF) acrylate 10 parts
Light trigger Irgacure11733 part,
Methyl ethyl ketone 42 parts,
N-BUTYL ACETATE 13 parts
Pimelinketone 2 parts
FTERGENT601AD0.1 part,
B component is as follows
UAVPLS233715 part;
To in 20 parts of pentaerythritol triacrylates, add 10 parts of trimethyol propane triacrylates, add tetrahydrofuran (THF) acrylate 10 parts, add 3 parts of light trigger Irgacure1173, the mixture obtained is diluted with the mixed solvent of the pimelinketone of 42 parts of methyl ethyl ketones, 13 parts of N-BUTYL ACETATEs and 2 parts, then add the fluorochemical surfactant FTERGENT601AD of 0.1 weight part, stir, obtain hardening liquid component A; Weigh the acrylate UAVPLS2337(Bayer containing isocyanic ester of 15 weight parts), obtain hardening liquid B component.
Mixed by A and B before using, nick coating on a pet film, through IR bake (50 DEG C) again after hot blast segmentation baking oven (60--100 DEG C), then obtains hardening film after ultraviolet reverse side and front illuminated solidify completely.
embodiment 3:
A kind of dual cure nick coating hardening liquid,
Trimethyol propane triacrylate 30 parts,
1,6 hexanediol diacrylate 10 parts,
3,3,5-trimethylammonium cyclohexyl acrylate 10 parts
Light trigger Irgacure11732 part,
Butanone 38 parts,
Vinyl acetic monomer 10 parts,
Pimelinketone 2 parts,
FTERGENT601ADH20.15 part,
B component is as follows
UAVPLS233720 part,
To in 30 parts of trimethyol propane triacrylates, add 10 part 1,6 hexanediol diacrylate, add 3,3,5-trimethylammonium cyclohexyl acrylate 10 parts, add 2 parts of light trigger Irgacure1173, dilute with the mixed solvent of the pimelinketone of 38 parts of butanone, 10 parts of vinyl acetic monomers and 2 parts the mixture obtained, then add the fluorochemical surfactant FTERGENT601ADH2 of 0.15 weight part, stir, obtain hardening liquid component A.
Weigh the acrylate UAVPLS2337(Bayer containing isocyanic ester of 20 weight parts), obtain hardening liquid B component.
Mixed by A and B before using, nick coating on a pet film, through IR bake (50 DEG C) again after hot blast segmentation baking oven (60--100 DEG C), then obtains hardening film after ultraviolet reverse side and front illuminated solidify completely.
embodiment 4:
A kind of dual cure nick coating hardening liquid,
Trimethyol propane triacrylate 16 parts,
Oxyethyl group diacrylic acid pentyl diol ester 22 parts,
1,6 hexanediol diacrylate 27 parts,
Isobornyl acrylate 15 parts
Light trigger Irgacure11734 part,
MIBK15 part,
Vinyl acetic monomer 5 parts,
FTERGENT601ADH20.15 part
B component is as follows:
Weigh the acrylate FTERGENT650A(Bayer containing isocyanic ester of 20 weight parts), obtain hardening liquid B component
To in 16 parts of trimethyol propane triacrylates, add oxyethyl group diacrylic acid pentyl diol ester 22 parts, add 27 part 1,6 hexanediol diacrylate, add isobornyl acrylate 15 parts, add 4 parts of light trigger Irgacure1173; Dilute with the mixed solvent of 15 parts of MIBK, 5 parts of vinyl acetic monomers the mixture obtained, then add the fluorochemical surfactant FTERGENT601ADH2 of 0.15 weight part, stir, obtain hardening liquid component A.
Weigh the acrylate UAVPLS2337(Bayer containing isocyanic ester of 20 weight parts), obtain hardening liquid B component
Mixed by A and B before using, nick coating on a pet film, through IR bake (50 DEG C) again after hot blast segmentation baking oven (60--100 DEG C), then obtains hardening film after ultraviolet reverse side and front illuminated solidify completely.
embodiment 5:
A kind of dual cure nick coating hardening liquid,
Trimethyol propane triacrylate 16 parts,
Triethylene glycol dimethacrylate 19 parts,
3,3,5-trimethylammonium cyclohexyl acrylate 10 parts,
Tetrahydrofuran (THF) acrylate 10 parts,
Butanone 20 parts,
MIBK10 part,
N-BUTYL ACETATE 10 parts,
Pimelinketone 3 parts,
FTERGENT601ADH20.15 part,
Light trigger Irgacure11732 part;
B component is as follows:
Weigh the acrylate FTERGENT650A(Bayer containing isocyanic ester of 20 weight parts), obtain hardening liquid B component
To in 16 parts of trimethyol propane triacrylates, add Triethylene glycol dimethacrylate 19 parts, add 10 part of 3,3,5-trimethylammonium cyclohexyl acrylate, add tetrahydrofuran (THF) acrylate 10 parts, add 2 parts of light trigger Irgacure1173; Dilute with the mixed solvent of 20 parts of butanone, 10 parts of MIBK, 10 parts of N-BUTYL ACETATEs, 3 parts of pimelinketone the mixture obtained, then add the fluorochemical surfactant FTERGENT601ADH2 of 0.15 weight part, stir, obtain hardening liquid component A.
Mixed by A and B before using, nick coating on a pet film, through IR bake (50 DEG C) again after hot blast segmentation baking oven (60--100 DEG C), then obtains hardening film after ultraviolet reverse side and front illuminated solidify completely.
It should be noted that, above-described embodiment is only preferred embodiment of the present invention, be not used for limit protection scope of the present invention, the equivalent replacement that the basis of technique scheme is made or substitute, all belong to protection scope of the present invention.
Claims (10)
1. a dual cure nick coating hardening liquid, it is characterized in that, described hardening liquid comprises the component A of hardening liquid and the B component of hardening liquid, the component A of described hardening liquid and the B component blending ratio of hardening liquid are at 6:4 ~ ~ 9:1, wherein the component A of hardening liquid is by weight: hydroxy acryl acid oligopolymer 25 ~ 75 parts, circular acrylic acid oligomer 10 ~ 5 parts, light trigger 1 ~ 5 part, solvent 20 ~ 65 parts, 0.1 ~ 3 part, tensio-active agent; The B component of hardening liquid is aliphatic polyurethane type vinylformic acid 5 ~ 30 weight part by weight.
2. dual cure nick coating hardening liquid according to claim 1, it is characterized in that, described hydroxy acryl acid oligopolymer is the mixture of the low functional acrylic ester oligomer of hydroxyl polyfunctional acrylic ester oligopolymer and hydroxyl, and both proportions are between 7:3 ~ ~ 3:7.
3. dual cure nick coating hardening liquid according to claim 2, it is characterized in that, described solvent is the mixture of ketone and esters solvent, and each ratio of component is by weight: ketone 30 ~ ~ 70 parts, ester class 0 ~ ~ 70 part.
4. dual cure nick coating hardening liquid according to claim 3, is characterized in that, described tensio-active agent is reactive fluorine-containing tensio-active agent or the fluorine carbon silicone compounds containing acrylic-functional.
5. the dual cure nick coating hardening liquid according to claim 3 or 4, it is characterized in that, described aliphatic polyurethane type acrylate is NCO-group content is that 5%--15% can dual cure urethane acrylate.
6. dual cure nick coating hardening liquid according to claim 5, it is characterized in that, described hydroxyl polyfunctional group acrylic acid oligomer is as follows, third oxidation trimethyol propane triacrylate, the third oxidation five vinylformic acid dipentaerythritol ester, six vinylformic acid dipentaerythritol ester etc., trimethyol propane triacrylate, pentaerythritol triacrylate, pentaerythritol tetracrylate, ethoxyquin pentaerythritol triacrylate, described hydroxyl low functional group acrylic acid oligomer is as follows, hexanodioic acid diacrylic acid pentyl diol ester, hydroxy new pentane acid diacrylic acid pentyl diol ester, diacrylate bicyclopentyl ester, diacrylate 1, 4-butanediol ester, diacrylate 1, 6-hexylene glycol ester, diacrylic acid pentyl diol ester, diacrylate macrogol ester, with the diacrylate dicyclopentenyl ester of caprolactone modification, with the diacrylate of ethylene-oxide-modified phosphoric acid, by the diacrylate cyclohexyl ester that allyl group replaces, diacrylate isocyanuric acid ester, Hydroxyethyl acrylate, 2-benzene oxygen ethyl propylene acid esters, isobornyl acrylate, described circular acrylic acid oligomer is as follows, tricyclic decane Dimethanol Diacrylate, 3,3,5-trimethylammonium cyclohexyl acrylate, tetrahydrofuran (THF) acrylate, alkoxide tetrahydrofuran (THF) acrylate, isobornyl acrylate, tetrahydrofuran methyl acrylate, isobornyl methacrylate, tetrahydrofurfuryl acrylate, one or more in oligopolymer cited in hydroxyl polyfunctional group acrylic acid oligomer described above, hydroxyl low functional group acrylic acid oligomer, circular acrylic acid oligomer are used in combination.
7. an optics PET cured film, is characterized in that, described PET cured film adopts accurate nick to be coated with hardening liquid described in arbitrary claim in the claims 1-5, through a kind of cured film of super-dry after fixing with optics PET for carrier.
8. optics PET cured film according to claim 7, is characterized in that, the coating hardness after described hardening liquid sclerosis is greater than 1H, the coat-thickness 2-10 micron after described hardening liquid sclerosis.
9. optics PET cured film according to claim 8, is characterized in that, above-mentioned coating fluid adopts accurate nick coating method, selects the anilox roll of 100-250 linear diameter Ф 20-50mm to be coated with, surface covered 5-20 m/min.
10. optics PET cured film according to claim 9, it is characterized in that, described drying mode is various ways combination drying, specific as follows, adopt far infrared drying, warm air drying, ultraviolet back side illuminaton, ultraviolet front illuminated successively, IR bake temperature controls at 40--70 DEG C, and warm air drying temperature section controls at 60--100 DEG C, and uv irradiating energy is at 300mj/cm
2~ 1000mj/cm
2between.
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