CN105176377B - Dual cure nick is coated with hardening bath and the PET cured films containing hardening coat - Google Patents
Dual cure nick is coated with hardening bath and the PET cured films containing hardening coat Download PDFInfo
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Abstract
Hardening bath is coated with the present invention relates to a kind of dual cure nick, it is characterised in that the hardening bath includes the component A of hardening bath and the B component of hardening bath, and the component A of the hardening bath and the B component mixed proportion of hardening bath are 6:4~~9：1, wherein the component A of hardening bath is by weight：25 ~ 75 parts of hydroxy acryl acid oligomer, 10 ~ 5 parts of circular acrylic acid oligomer, 1 ~ 5 part of light trigger, 20 ~ 65 parts of solvent, 0.1 ~ 3 part of surfactant；The B component of the hardening bath parts by weight of aliphatic polyurethane type acrylic acid 5 ~ 30 by weight.The hardening bath has excellent adhesive force and excellent optical property using dual cure between undressed pet substrate surfaces.
Description
Technical field
The present invention relates to a kind of hardening bath, and in particular to a kind of dual cure nick is coated with hardening bath and containing hardening coat
Optics PET cured films and its curing process.
Background technology
Photoelectric display industry development is swift and violent, and light transmittance is high, thin, be gently the Main way of its development.Pet base materials due to
High light transmittance, low weight, are increasingly becoming main photoelectric display base material.In order to prevent its surface to be scratched, surface is made up
Defect, increase light transmittance and the wear-resisting property such as antifouling, people often increase by one layer of hardening coat.But pet sheet face can be low, general
Hardening bath adhesive force is unsatisfactory, therefore to carry out the measures such as surface precoating, sided corona treatment to pet base materials, although can solve attached
Put forth effort problem but while add cost, also with reducing optical property.General coating process and dry solidification technique is easy
Cause after surface defect, such as rough surface, curing of coatings that stress is big, became uneven and the problems such as produce rainbow line, warpage, be
Solution above-mentioned technical problem, those skilled in the art is also constantly attempting, but the effect of product is unsatisfactory, because
This, a kind of new scheme of exigence solves above-mentioned technical problem.
The content of the invention
In order to solve above-mentioned problem, the invention discloses a kind of dual cure nick coating hardening bath and containing hardening
The optics PET cured films of coating, it is excellent that the hardening bath uses dual cure to have between undressed pet substrate surfaces
Adhesive force and excellent optical property.
To achieve these goals, technical scheme is as follows, and a kind of dual cure nick is coated with hardening bath, its
It is characterised by, the hardening bath includes the component A of hardening bath and the B component of hardening bath, the component A and hardening bath of the hardening bath
B component mixed proportion 6:4~~9：1, wherein the component A of hardening bath is by weight：Hydroxy acryl acid oligomer 25 ~ 75
Part, 10 ~ 5 parts of circular acrylic acid oligomer, 1 ~ 5 part of light trigger, 20 ~ 65 parts of solvent, 0.1 ~ 3 part of surfactant；Hardening bath
The B component parts by weight of aliphatic polyurethane type acrylic acid 5 ~ 30 by weight.Hydroxy acryl acid ester oligomer in component A
With the aliphatic polyurethane type acrylate oligomer in B component in addition to UV radiation polymerizations, hydroxy acryl acid ester oligomer
In NCO- reactions in-OH and aliphatic polyurethane type acrylate oligomer further increase the molecular weight of hardened layer, from
And add the hardness, wearability and adhesive force of coating；NCO- groups in B component can be with carrier PET（Poly terephthalic acid
Second diester）In hydroxyl-OH reaction produce chemical bond, greatly enhancing hardened layer and carrier PET between adhesive force.The technical side
In case, the species of described light trigger is as follows, BP, 651,907, ITX, 1173,184,2959,784,1-hydroxy-cyclohexan
Base benzophenone（Irgacure184）, dimethoxybenzoin, 2-methyl-1-（4-methyl mercapto phenyl）- 2-
Quinoline-1-acetone（Irgacure 907）, 2,4,6-trimethylbenzoyl diphenyl phosphine oxide（TPO）, isopropyl thioxanthone
Anthrone, 4-methyl benzophenone, 4-phenyl benzophenone（4-BPZ）, benzyl dimethyl amino ethyl ester, 4-diformazan ammonia
Yl benzoic acid ethyl ester, 2-benzoyl methyl benzoate or their mixture, these Photoepolymerizationinitiater initiaters can individually or
It is applied in combination, wherein, preferably 1- hydroxyls-cyclohexyl benzophenone（Irgacure184）, 2,4,6-trimethylbenzoyl-two
Phenyl phosphine oxide（TPO）, 2- hydroxyls -2- methyl isophthalic acids-phenylacetone -1（Irgacure1173）Deng.Aliphatic polyurethane type
Acrylate is listed below：Bayer Bitterfeld GmbH（bayer）UA VP LS 2337, UA VP LS 2396, UA XP 2510 etc., it
Not only participate in the light-initiated radical polymerizations of UV and also occur addition reaction between NCO-/- OH, not only with component reaction in coating
Also it is chemically crosslinked with base material, significantly improves the adhesive force between coating and base material, component A and B component is preferably in a proportion of 7:3
~8：2.
As a modification of the present invention, the hydroxy acryl acid oligomer is that hydroxyl polyfunctional acrylic ester is low
The mixture of polymers and the low functional acrylic ester oligomer of hydroxyl, both proportions are 7：3~~3：Between 7.In hardening bath coating
Containing the low degree of functionality acrylate oligomer of hydroxyl and containing cyclic acrylic ester oligomer, can have in UV radiation polymerizations
The generation for reducing stress in film forming procedure of effect, enhances the intermolecular force after pet vector solidifies with hardening bath, enhances
Adhesive force between hardened layer and PET.
As a modification of the present invention, the solvent is the mixture of ketone esters and alcohols solvent, and each component ratio is pressed
Weight is calculated as：Ketone 30 ~ ~ 70 parts, esters 0 ~ ~ 70 parts, it is preferable that ketone 45 ~ ~ 55 parts, esters 30 ~ ~ 45 parts, the ketone and
The optional species of based organic solvent is as follows, acetone, methyl ethyl ketone, methylisobutylketone, cyclohexanone, methyl acetate, ethyl acetate,
Propyl acetate, butyl acetate etc..Above-mentioned ketone and esters solvent have stronger dissolving power and select different evaporation rates
The solvent mixing of esters and ketone, makes hardening bath have suitable drying gradient to ensure that coating has good levelability and light
Damp degree.
As a modification of the present invention, the surfactant is for reactive fluorine-containing surfactant or containing third
On the one hand olefin(e) acid Guan Nengtuan fluorine carbon silicone compounds, the addition of reactive fluorine-containing carbon silicone surfactant can eliminate
The surface tension of bubble and reduction coating fluid, coating liquid energy is soaked well, carrier realization is good to sprawl, and improves adhesive force
And profile pattern；On the other hand it participates in reaction and assigns the performances such as hardened layer resistance and fingerprint resistance, anti-pollution, consolidates simultaneously because participating in UV
Changing reaction makes it not separated out from coating, it is ensured that the stability of product.The surfactant is reactive fluorochemical surface
Activating agent is listed below：U.S. waffle work KY-1203, Japan cross side chemistry FTERGENT601AD, FTERGENT601ADH2,
FTERGENT650A etc., participation UV curing reactions, with good levelability, soil resistance.Response type fluorine-containing surfactant energy
The surface tension of hardening bath is reduced, hardening bath is fully soaked support surface before crosslinking curing, so as to produce good
Good spreading ability, and improve the permeability of hardening bath, increase carrier and the adsorption site of polymer molecular chain interaction, so that
Preferable adhesive force is obtained, while also obtaining preferable antifouling property, preferably addition is 1%-2%.
As a modification of the present invention, the aliphatic polyurethane type acrylate is that NCO- group contents are 5%--
15% can dual cure urethane acrylate.
As a modification of the present invention, the hydroxyl polyfunctional group acrylic acid oligomer is as follows, the third three propylene of oxidation
Sour trihydroxymethylpropanyl ester, the third five acrylic acid dipentaerythritol esters of oxidation, six acrylic acid dipentaerythritol esters etc., three acrylic acid
Trihydroxymethylpropanyl ester, pentaerythritol triacrylate, pentaerythritol tetracrylate, the acrylic acid Ji Wusi of ethoxyquin three
Alcohol ester；The low functional group's acrylic acid oligomer of hydroxyl is as follows, adipic acid diacrylic acid pentyl diol ester, hydroxy new pentane acid
Diacrylic acid pentyl diol ester, diacrylate bicyclopentyl ester, diacrylate 1,4- butanediol esters, 1,6 diacrylates oneself
Diol ester, diacrylic acid pentyl diol ester, allyl methacrylate, triethylene-glycol dimethylacrylate is used
The diacrylate dicyclopentenyl base ester of caprolactone modification, with the diacrylate of ethylene-oxide-modified phosphoric acid, by pi-allyl
Substituted diacrylate cyclohexyl ester, diacrylate isocyanuric acid ester, ethyoxyl diacrylic acid pentyl diol ester, acrylic acid hydroxyl
Ethyl ester, 2- benzene oxygen ethyl propylene acid esters, isobornyl acrylate；The circular acrylic acid oligomer is as follows, tricyclic decane diformazan
Alcohol diacrylate, 3,3,5- trimethyl cyclohexyl acrylate, tetrahydrofuran acrylate, alkoxide tetrahydrofuran propylene
Acid esters, isobornyl acrylate, tetrahydrofuran methyl acrylate, isobornyl methacrylate, tetrahydrofurfuryl acrylic acid
Ester, hydroxyl polyfunctional group acrylic acid oligomer described above, the low functional group's acrylic acid oligomer of hydroxyl, cyclic acrylic are low
One or more in polymers in cited oligomer are used in mixed way.
A kind of optics PET cured films, it is characterised in that the PET cured films are as carrier and using accurate using optics PET
Hardening bath described in any claim in nick coating the claims 1-5, is hardened by drying a kind of of solidify afterwards
Film.In the technical scheme, above-mentioned hardening bath is coated with a pet film by nick, through infrared baking oven again after hot-air oven,
Hardening film is obtained after ultraviolet reverse side and front illuminated are fully cured again, pet vector is required without substantially in the technical scheme
Scratch and fisheye, mist degree≤1.5%, total light transmittance >=89%, smooth without warpage etc..
As a modification of the present invention, the coating hardness after the hardening bath hardening is more than 1H, the hardening bath hardening
2-10 microns of coating layer thickness afterwards.For the hardness of cured film in the present invention, as hardness >=1H, using the teaching of the invention it is possible to provide sufficient is resistance to
Mill property, preferred hardness is 1H to 3H；The thickness of hardening coat is 2-10 μm, is that its wearability can not fill when thickness is less than 2 microns
That divides shows, and preferential thickness is between 2-5 microns.
As a modification of the present invention, above-mentioned coating fluid is straight from 100-250 lines using accurate nick coating method
Footpath Ф 20-50mm anilox roll coating, 5-20 ms/min of coating speed.
As a modification of the present invention, the drying mode is various ways combination drying, specific as follows, is passed sequentially through
Far-infrared ray drying baking oven → heated-air drying baking oven → ultraviolet back side illuminaton baking oven → ultraviolet front illuminated baking oven, whole process time
At 1.5-3 minutes；Infrared baking oven temperature control is at 40--70 DEG C, and heated-air drying temperature section is controlled at 60--100 DEG C, ultraviolet to shine
Energy is penetrated in 300mj/cm2 ~1000mj/cm2Between.Infrared baking oven is first passed through after above-mentioned coating solution, due to far infrared
It can realize from coat inside heating, be reached first from internally dry effect with stronger penetration capacity, and harden coating fluid table
Face still has higher mobility, makes hardening coat more even uniform and reduces coating internal stress, is passed through again after infrared baking oven
Crossing hot-air oven thoroughly makes the organic solvent in coating volatilize totally, and ultraviolet light is first from the irradiation of PET faces（The back side of hardening bath）, and
Make coating first from internal vigorous reaction, surface is still half flow regime to discharge the internal stress produced due to film forming, greatly
Improve adhesive force, reduce warping phenomenon and increase coating planarization.
Relative to prior art, advantages of the present invention is as follows, and 1）Contain hydroxyl in hardening bath coating in the technical scheme
Low degree of functionality acrylate oligomer and containing cyclic acrylic ester oligomer, can effectively be reduced into UV radiation polymerizations
The generation of stress in membrane process, enhances the intermolecular force after pet vector and hardening bath solidify, enhance hardened layer with
Adhesive force between PET；2）In the technical scheme, the aliphatic poly in hydroxy acryl acid ester oligomer and B component in component A
Urethane type acrylate oligomer is in addition to UV radiation polymerizations ,-OH and aliphatic polyurethane in hydroxy acryl acid ester oligomer
NCO- reactions in type acrylate oligomer further increase the molecular weight of hardened layer, thus add the hardness of coating,
Wearability and adhesive force；NCO- groups in B component can be with carrier PET（PET）In hydroxyl-OH
Reaction produces chemical bond, greatly the adhesive force between enhancing hardened layer and carrier PET；3）In optics PET cured film curing process,
Infrared baking oven is first passed through after coating solution, because there is far infrared stronger penetration capacity can realize from coat inside heating,
Reach first from internally dry effect, and hardening coating fluid surface still has higher mobility, makes hardening coat more smooth
Even and reduction coating internal stress, thoroughly makes the organic solvent volatilization in coating dry by hot-air oven again after infrared baking oven
Only, ultraviolet light is first from the irradiation of PET faces（The back side of hardening bath）, and making coating first from internal vigorous reaction, surface is still half flowing
State is improved adhesive force so as to discharge the internal stress produced due to film forming, greatly, reduces warping phenomenon and increases coating
Planarization；4）The addition of reactive flucride siloxane surfactant, on the one hand can eliminate bubble and reduction in the technical scheme
The surface tension of coating fluid, coating liquid energy is soaked well, carrier realization is good to sprawl, and improves adhesive force and surfacing
Property；On the other hand it participates in reaction and assigns the performances such as hardened layer resistance and fingerprint resistance, anti-pollution, simultaneously because participating in UV curing reactions makes it
It will not be separated out from coating, it is ensured that the stability of product；5）The present invention is designed into dry solidification overall consideration from formula, takes
The adhesive force of many kinds of measures on the one hand between enhancing hardening coat and PET, cross-cut methods test result 100/100；On the other hand strengthen
The levelling effect of coating, makes product surface more smooth；The stress produced during UV film-formings is substantially reduced simultaneously,
Prevent the phenomenons such as product warpage；Also improve optical property, total light transmittance >=93%, mist degree≤0.3%；6）The technical scheme
Cost is relatively low, is easy to large-scale popularization and application.
Embodiment
In order to further enhance the appreciation and understanding of the invention, with reference to embodiment, the present invention is furture elucidated.
Embodiment 1：
A kind of dual cure nick is coated with hardening bath,
Component A proportioning is as follows：
Six 20 parts of acrylic acid dipentaerythritol esters,
14 parts of hydroxy-ethyl acrylate,
15 parts of tetrahydrofuran acrylate
1,173 3 parts of light trigger Irgacure,
35 parts of methyl ethyl ketone,
13 parts of ethyl acetate,
5 parts of cyclohexanone,
0.1 part of FTERGENT601AD,
B component is as follows：
2,337 10 parts of UA VP LS；
To 20 part of six acrylic acid bipentaerythrite resin（Taiwan DSM）In, 14 parts of hydroxyethyl acrylate monomers are added,
15 parts of tetrahydrofuran acrylate is added, 3 parts of light trigger Irgacure 1173 are added, with 35 parts of methyl ethyl ketones, 13
Mixture obtained by the mixed solvent dilution of part ethyl acetate and 5 parts of cyclohexanone, then adds the fluorine-containing of 0.1 parts by weight
Surfactant FTERGENT601AD, is stirred, and obtains hardening bath component A, and weigh 10 parts by weight contains isocyanic acid
The acrylate UA VP LS 2396 of ester（Bayer）, obtain hardening bath B component.
Both A and B are well mixed using preceding, nick is coated with a pet film, through infrared baking oven（50℃）Pass through hot blast again
Baking oven（60--90℃）Afterwards, then after ultraviolet reverse side and front illuminated are fully cured hardening film is obtained.
Embodiment 2：
A kind of dual cure nick is coated with hardening bath,
Component A proportioning is as follows
20 parts of pentaerythritol triacrylate,
10 parts of trimethyol propane triacrylate,
10 parts of tetrahydrofuran acrylate
1,173 3 parts of light trigger Irgacure,
42 parts of methyl ethyl ketone,
13 parts of butyl acetate
2 parts of cyclohexanone
0.1 part of FTERGENT601AD,
B component is as follows
2,337 15 parts of UA VP LS；
Into 20 parts of pentaerythritol triacrylates, 10 parts of trimethyol propane triacrylates are added, tetrahydrochysene is added
10 parts of furanacrylate, adds 3 parts of light trigger Irgacure 1173, with 42 parts of methyl ethyl ketones, 13 parts of acetic acid fourths
Mixture obtained by the mixed solvent dilution of ester and 2 parts of cyclohexanone, then adds the fluorine-containing surfactants of 0.1 parts by weight
Agent FTERGENT601AD, is stirred, and obtains hardening bath component A；Weigh the propylene containing isocyanates of 15 parts by weight
Acid esters UA VP LS 2337（Bayer）, obtain hardening bath B component.
Both A and B are well mixed using preceding, nick is coated with a pet film, through infrared baking oven（50℃）Pass through hot blast again
It is segmented baking oven（60--100℃）Afterwards, then after ultraviolet reverse side and front illuminated are fully cured hardening film is obtained.
Embodiment 3：
A kind of dual cure nick is coated with hardening bath,
30 parts of trimethyol propane triacrylate,
1,6 10 parts of hexanediol diacrylate,
10 parts of 3,3,5- trimethyl cyclohexyls acrylate
1,173 2 parts of light trigger Irgacure,
38 parts of butanone,
10 parts of ethyl acetate,
2 parts of cyclohexanone,
0.15 part of FTERGENT601ADH2,
B component is as follows
2,337 20 parts of UA VP LS,
Into 30 parts of trimethyol propane triacrylates, 10 part 1 is added, 6 hexanediol diacrylates add 3,
3,5- 10 parts of trimethyl cyclohexyl acrylate, add 2 parts of light trigger Irgacure 1173, with 38 parts of butanone, 10
Mixture obtained by the mixed solvent dilution of part ethyl acetate and 2 parts of cyclohexanone, then adds containing for 0.15 parts by weight
Fluorine surfactant FTERGENT601ADH2, is stirred, and obtains hardening bath component A.
Weigh the acrylate UA VP LS 2337 containing isocyanates of 20 parts by weight（Bayer）, obtain hardening bath B groups
Part.
Both A and B are well mixed using preceding, nick is coated with a pet film, through infrared baking oven（50℃）Pass through hot blast again
It is segmented baking oven（60--100℃）Afterwards, then after ultraviolet reverse side and front illuminated are fully cured hardening film is obtained.
Embodiment 4：
A kind of dual cure nick is coated with hardening bath,
16 parts of trimethyol propane triacrylate,
22 parts of ethyoxyl diacrylic acid pentyl diol ester,
1,6 27 parts of hexanediol diacrylate,
15 parts of isobornyl acrylate
1,173 4 parts of light trigger Irgacure,
15 parts of MIBK,
5 parts of ethyl acetate,
0.15 part of FTERGENT601ADH2
B component is as follows：
Weigh the acrylate FTERGENT650A containing isocyanates of 20 parts by weight（Bayer）, obtain hardening bath B component
Into 16 parts of trimethyol propane triacrylates, 22 parts of addition ethyoxyl diacrylic acid pentyl diol ester adds
Plus 27 part 1,6 hexanediol diacrylates add 15 parts of isobornyl acrylate, add 4 parts of light trigger Irgacure
1173；With the resulting mixture of 15 parts of MIBK, 5 parts of ethyl acetates mixed solvent dilution, 0.15 weight is then added
The fluorine-containing surfactant FTERGENT601ADH2 of part, stirs, obtains hardening bath component A.
Weigh the acrylate UA VP LS 2337 containing isocyanates of 20 parts by weight（Bayer）, obtain hardening bath B groups
Part
Both A and B are well mixed using preceding, nick is coated with a pet film, through infrared baking oven（50℃）Pass through hot blast again
It is segmented baking oven（60--100℃）Afterwards, then after ultraviolet reverse side and front illuminated are fully cured hardening film is obtained.
Embodiment 5：
A kind of dual cure nick is coated with hardening bath,
16 parts of trimethyol propane triacrylate,
19 parts of triethylene-glycol dimethylacrylate,
3,3,5- 10 parts of trimethyl cyclohexyl acrylate,
10 parts of tetrahydrofuran acrylate,
20 parts of butanone,
10 parts of MIBK,
10 parts of butyl acetate,
3 parts of cyclohexanone,
0.15 part of FTERGENT601ADH2,
1,173 2 parts of light trigger Irgacure；
B component is as follows：
Weigh the acrylate FTERGENT650A containing isocyanates of 20 parts by weight（Bayer）, obtain hardening bath B component
Into 16 parts of trimethyol propane triacrylates, 19 parts of addition triethylene-glycol dimethylacrylate,
10 part 3 of addition, 3,5- trimethyl cyclohexyl acrylate, 10 parts of addition tetrahydrofuran acrylate adds 2 parts of light triggers
Irgacure 1173；Mixed solvent dilution with 20 parts of butanone, 10 parts of MIBK, 10 parts of butyl acetates, 3 parts of cyclohexanone is resulting
Mixture, then add the fluorine-containing surfactant FTERGENT601ADH2 of 0.15 parts by weight, stir, obtain
To hardening bath component A.
Both A and B are well mixed using preceding, nick is coated with a pet film, through infrared baking oven（50℃）Pass through hot blast again
It is segmented baking oven（60--100℃）Afterwards, then after ultraviolet reverse side and front illuminated are fully cured hardening film is obtained.
It should be noted that above-described embodiment is only presently preferred embodiments of the present invention, not for limiting the present invention
Protection domain, the equivalent substitution or replacement made on the basis of above-mentioned technical proposal, belong to the present invention protection model
Enclose.
Claims (10)
1. a kind of dual cure nick is coated with hardening bath, it is characterised in that the hardening bath includes component A and the hardening of hardening bath
The B component of liquid, the component A of the hardening bath and the B component mixed proportion of hardening bath are 6:4~~9：1, wherein the A groups of hardening bath
Part is by weight：25 ~ 75 parts of hydroxy acryl acid oligomer, 10 ~ 5 parts of circular acrylic acid oligomer, 1 ~ 5 part of light trigger,
20 ~ 65 parts of solvent, 0.1 ~ 3 part of surfactant；The B component of the hardening bath aliphatic polyurethane of group containing NCO- type by weight
The parts by weight of acrylate 5 ~ 30.
2. dual cure nick according to claim 1 is coated with hardening bath, it is characterised in that the hydroxy acryl acid is low
Polymers is the mixture of hydroxyl polyfunctional acrylic ester oligomer and the low functional acrylic ester oligomer of hydroxyl, and both compare
Focus on 7：3~~3：Between 7.
3. dual cure nick according to claim 2 is coated with hardening bath, it is characterised in that the solvent is ketone and ester
The mixture of class solvent, each component ratio is by weight：Ketone 30 ~ ~ 70 parts, esters 0 ~ ~ 70 parts.
4. dual cure nick according to claim 3 is coated with hardening bath, it is characterised in that the surfactant is anti-
Answering property fluorine-containing surfactant or the fluorine carbon silicone compounds containing acrylic-functional.
5. the dual cure nick coating hardening bath according to claim 3 or 4, it is characterised in that the aliphatic poly ammonia
Ester type acrylate is that NCO- group contents are that 5%--15% can dual cure urethane acrylate.
6. dual cure nick according to claim 5 is coated with hardening bath, it is characterised in that the hydroxyl polyfunctionality
Acrylate oligomer is as follows, the third oxidation trimethyol propane triacrylate, the third five acrylic acid dipentaerythritol esters of oxidation, six
Acrylic acid dipentaerythritol ester, trimethyol propane triacrylate, pentaerythritol triacrylate, tetrapropylene acid pentaerythrite
Ester, ethoxyquin pentaerythritol triacrylate；The low functional acrylic ester oligomer of hydroxyl is as follows, adipic acid diacrylate
DOPCP, hydroxy new pentane acid diacrylic acid pentyl diol ester, BDDA, diacrylate 1,6- oneself two
Alcohol ester, diacrylic acid pentyl diol ester, allyl methacrylate；The circular acrylic acid oligomer is as follows, tricyclic decane
Dimethanol Diacrylate, 3,3,5- trimethylcyclohexyl acrylates, tetrahydrofuran acrylate, alkoxide tetrahydrofuran third
Olefin(e) acid ester, isobornyl acrylate, tetrahydrofuran methyl acrylate, isobornyl methacrylate, tetrahydrofurfuryl propylene
Acid esters, hydroxyl polyfunctional acrylic ester oligomer described above, the low functional acrylic ester oligomer of hydroxyl, circular acrylic
One or more in acid oligomer in cited oligomer are used in mixed way.
7. a kind of optics PET cured films, it is characterised in that the PET cured films are using optics PET as carrier and using accurate micro-
Hardening bath described in any claim in recessed coating the claims 1-5, by a kind of cured film for drying solidify afterwards.
8. optics PET cured films according to claim 7, it is characterised in that the coating hardness after the hardening bath hardening
More than 1H, 2-10 microns of coating layer thickness after the hardening bath hardening.
9. optics PET cured films according to claim 8, it is characterised in that above-mentioned coating fluid is using accurate nick coating
Mode, the anilox roll from 100-250 linear diameter Ф 20-50mm is coated with, 5-20 ms/min of coating speed.
10. optics PET cured films according to claim 9, it is characterised in that the drying mode mixes for various ways
Dry, it is specific as follows, successively using far-infrared ray drying, heated-air drying, ultraviolet back side illuminaton, ultraviolet front illuminated, infrared baking oven
Temperature control is at 40--70 DEG C, and heated-air drying temperature section is controlled at 60--100 DEG C, and ultraviolet irradiation energy is in 300mj/cm2~
1000mj/cm2Between.
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| US4377457A (en) * | 1980-11-21 | 1983-03-22 | Freeman Chemical Corporation | Dual cure coating compositions |
| CN100376637C (en) * | 2006-09-11 | 2008-03-26 | 中国化工建设总公司常州涂料化工研究院 | Dual curing coating |
| CN101100583B (en) * | 2007-07-26 | 2010-05-19 | 常州光辉化工有限公司 | High-adhesion ultraviolet radiation polyurethane double-solidifying carpentry paint and preparation method thereof |
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Effective date of registration: 20200421 Address after: 210000 Jiang Lou District, Nanjing, Jiangsu Province, No. 20 Patentee after: Nanjing Jinshi Wei Nano Technology Co., Ltd. Address before: Shigu Road, Qinhuai District of Nanjing City, Jiangsu province 210000 No. 33 oriental gardens B-1606 Patentee before: Wang Junhai |