CN104650281A - Alkali-soluble resin polymer for color light filter and light-sensitive resin composition - Google Patents
Alkali-soluble resin polymer for color light filter and light-sensitive resin composition Download PDFInfo
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- CN104650281A CN104650281A CN201410833868.XA CN201410833868A CN104650281A CN 104650281 A CN104650281 A CN 104650281A CN 201410833868 A CN201410833868 A CN 201410833868A CN 104650281 A CN104650281 A CN 104650281A
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Abstract
The invention belongs to the field of liquid crystal displays, and particularly relates to an alkali-soluble resin polymer for a color light filter and a light-sensitive resin composition. The alkali-soluble resin polymer disclosed by the invention is manly obtained by polymerization of 1,2-phthalic acid mono [2-[(1-oxo-2-allyl)oxygen]ethyl] ester, an unsaturated carboxylic acid or anhydride monomer (b1), an unsaturated carboxylic acid or anhydride monomer (b1) containing hydroxyl, an N-maleimide monomer (b3) and an unsaturated polymeric monomer (b4). According to the alkali-soluble resin polymer provided by the invention, the 1,2-phthalic acid mono [2-[(1-oxo-2-allyl)oxygen]ethyl] ester is selected and added; compared with the polymerized alkali-soluble resin polymer free of the monomer in the prior art, the alkali-soluble resin polymer has the advantages of relatively good storage stability, developing property, solvent resistance, and good matching property with a coloring agent, has low acid value, but has good developing property.
Description
Technical field
The invention belongs to field of liquid crystal, be specifically related to a kind of colored filter alkali soluble resins polymkeric substance and photosensitive resin composition.
Background technology
In liquid-crystal display (LCD) field, generally first photosensitive polymer combination coated on substrate and carry out drying (pre-baked), ultraviolet exposure, sclerosis is implemented through light shield, after forming pattern by alkaline-based developer development again, finally heat-treat (baking afterwards).Specifically, as cured films such as red, blue, green picture element, resin light shield layer, protective membrane or the interlayer dielectrics in colored filter, this processing procedure is all utilized to be completed.
Colored filter is the Primary Component that liquid-crystal display realizes colorize, and is used for preparing the colored photoresist material of colour filter, and its performance directly has influence on the display effect of liquid-crystal display especially.Along with the high color purity of liquid-crystal display, when the concentration of the tinting material that photosensitive resin composition contains uprises, the developing performance of film must decline, this just requires that photosensitive resin composition has good developing performance, and requires that the film that this resin combination is formed has good thermotolerance and solvent resistance.
In order to improve the developing performance of alkali soluble resins in prior art, be generally adopt the mode improving its acid number from configuration aspects, this just needs to add a large amount of acidic-group structural units in the course of the polymerization process.But the settling mode improving acid number often brings a lot of problem, molecular weight as gained resin is on the low side, make the solvent that must adopt higher polarity in the course of the polymerization process, and then very easily cause alkali soluble resins and tinting material matching poor, thus cause resin combination stability to reduce, there is throw out to separate out even in a short time.Therefore, the mode of simple raising acid number can not meet the performance requirement of colored filter, is suitable in the urgent need to what develop more high-quality the alkali soluble resins polymer-based carbon photosensitive resin composition that colorized optical filtering film developing requires.
Summary of the invention
For this reason, technical problem to be solved by this invention is that in prior art, colored filter alkali soluble resins cannot meet the problem of developing performance and stability simultaneously, and then provides a kind of alkali soluble resins polymkeric substance with better developing performance and stability;
Namely second technical problem that the present invention solves be to provide a kind of photosensitive resin composition having developing performance and stability concurrently.
For solving the problems of the technologies described above, colored filter alkali soluble resins polymkeric substance of the present invention, obtains primarily of following monomer polymerization:
Preferably, with described alkali soluble resins total polymer weight 100 parts by weight, described 1,2-phthalic acid list [2-[(1-oxo-2-propenyl) oxygen] ethyl] ester is 1-25 weight part, and the best is 8-20 weight part;
Described unsaturated carboxylic acid or anhydride monomers (b1) are preferably 5-25 weight part, and the best is 10-20 weight part;
The unsaturated carboxylic acid of described hydroxyl or anhydride monomers (b2) are preferably 5-30 weight part, and the best is 10-25 weight part;
Described N-substituted maleimide monomer (b3) is preferably 5-40 weight part, and the best is 10-25 weight part;
Described polymerisable unsaturated monomer (b4) is preferably 5-50 weight part, and the best is 20-40 weight part.
Described 1,2-phthalic acid list [2-[(1-oxo-2-propenyl) oxygen] ethyl] ester, structural formula is as follows, and its CAS No. is 30697-40-6, and molecular formula is C
13h
12o
6, molecular weight is 264.2308, and boiling point is higher than 200 DEG C, and specific refractory power 1.548, density is 1.27g/cm
3, its commodity are called ARONIX M5400 prepared by East Asia Synesis Company;
Further, described unsaturated carboxylic acid or anhydride monomers (b1) are selected from: at least one in ARONIX M5300 prepared by the unsaturated carboxylic acids such as unsaturated monocarboxylic class, toxilic acid, maleic anhydride, fumaric acid, methylene-succinic acid, itaconic anhydride such as (methyl) vinylformic acid, butenoic acid, a-chloracrylic acid, styracin or its anhydrides, succsinic acid [2-(methyl) acrylyl oxy-ethyl] ester, phthalic acid list-[2-(methyl) acrylyl oxy-ethyl] ester or East Asia Synesis Company.And preferred (methyl) vinylformic acid.
Further, the described unsaturated monomer (b2) containing hydroxyl is selected from: 2-Hydroxy ethyl acrylate, methacrylic acid-2-hydroxy methacrylate, 2-hydroxypropyl acrylate, methacrylic acid-2-hydroxy propyl ester, vinylformic acid-3-hydroxy propyl ester, methacrylic acid-3-hydroxy propyl ester, vinylformic acid-2-hydroxybutyl, methacrylic acid-2-hydroxybutyl, vinylformic acid-3-hydroxybutyl, methacrylic acid-3-hydroxybutyl, vinylformic acid-4-hydroxybutyl, methacrylic acid-4-hydroxybutyl, dipropylene glycol acrylate, dipropylene glycol methyl acrylate, butylene glycol aerylate, butyleneglycol methacrylic ester, caprolactone modification acrylate, caprolactone modification methacrylic ester, vinylformic acid-2-hydroxyl-3-phenyl ester, or at least one in the ARONIX M5700 for preparing of East Asia Synesis Company.And be preferably the ARONIX M5700 for preparing of East Asia Synesis Company and/or methacrylic acid-2-hydroxy methacrylate (HEMA).
Further, described N-substituted maleimide monomer (b3) is selected from: at least one in N-phenylmaleimide, N-salicyl maleimide, N-resorcyl maleimide, N-benzyl maleimide, N-N-cyclohexylmaleimide, N-succinimido-3-maleimide manthanoate, N-succinimido-4-malimidobutanoate.And preferred N-phenylmaleimide, N-cyclohexyl base maleimide etc., particularly preferably N-phenylmaleimide.
Further, described unsaturated polymerization single polymerization monomer (b4) is selected from: vinylbenzene (St), alpha-methyl styrene, vinylchlorid, methoxy styrene fragrant race vinyl compound, methyl methacrylate, methyl acrylate, ethyl propenoate, β-dimethyl-aminoethylmethacrylate, propyl acrylate, propyl methacrylate, butyl acrylate, butyl methacrylate, phenyl methacrylate, benzyl methacrylate, glycidyl methacrylate, lauryl methacrylate, at least one in isobornyl methacrylate or methacrylic acid cetyl ester.
Alkali soluble resins polymkeric substance provided by the invention can also comprise the initiator and polymer solvent that cause each described monomer polymerization in building-up process, and after completing polymerization, solvent can be deviate from according to demand.
Can be used for the solvent of alkali soluble resins Macroscopic single crystal, namely can the solvent of solvent polymerization monomer, can be selected from: at least one in ethyl acetate, hexanaphthene, ethylene glycol monomethyl ether, propylene glycol monomethyl ether, ethylene glycol ether, diethylene glycol dimethyl ether, 1-Methoxy-2-propyl acetate, propylene-glycol ethyl ether acetic ester, propylene glycol propyl ether acetic ester, diethylene glycol dimethyl ether acetic ester, butyl acetic ester, 3-ethoxyl ethyl propionate.Wherein preferred with 1-Methoxy-2-propyl acetate, diethylene glycol dimethyl ether acetic ester, propylene glycol monomethyl ether or 3-ethoxyl ethyl propionate and composition thereof.
Alkali soluble resins polymkeric substance provided by the invention is obtained by monomer radical polyreaction, the initiator of initiated polymerization is that those skilled in the art is well-known, can be the radical polymerization initiators such as azo, organo-peroxide class, redox class, can be selected from: the normal starters such as Diisopropyl azodicarboxylate, 2,2'-Azobis(2,4-dimethylvaleronitrile), benzoyl peroxide, the benzoyl peroxide tert-butyl ester.
Described molecular weight regulator is the compound that chain transfer constant is larger, can with free radical generation chain transfer reaction, living chain is stopped.Described molecular weight regulator can be primary, secondary, the tertiary mercaptan of 5-14 carbon atom, mercaptan ester and mercaptan ether etc.The preferred lauryl mercaptan of the present invention.
Present invention also offers a kind of method preparing above-mentioned alkali soluble resins polymkeric substance, namely comprise and get described 1 according to selected parts by weight, the unsaturated carboxylic acid of 2-phthalic acid list [2-[(1-oxo-2-propenyl) oxygen] ethyl] ester, unsaturated carboxylic acid or anhydride monomers (b1), hydroxyl or anhydride monomers (b2), N-substituted maleimide monomer (b3) and unsaturated polymerization single polymerization monomer (b4), conventionally carry out the step of being polymerized.
Described method according to the needs of polymerization, can also optionally comprise the step adding initiator and polymer solvent, and the step of polymer solvent described in selectively removing.
Present invention also offers the purposes of described alkali soluble resins polymkeric substance for the preparation of colored filter photosensitive resin composition.
Present invention also offers a kind of colored filter photosensitive resin composition, with the total amount of described composition, comprise the component of following weight content:
Preferably, described colored filter photosensitive resin composition, with the total amount of described composition, comprises the component of following weight content:
Preferably, the weight-average molecular weight of described alkali soluble resins polymkeric substance (B) is 1000-250000, and preferred 5000-100000, more preferably 6000-30000, most preferably in 6000-15000; And its Mw is 1.0-10.0 with the ratio Mw/Mn of the polystyrene conversion number-average molecular weight Mn measured by gel permeation chromatography GPC, preferred 1.0-4.5, more preferably 1.5-3.0, most preferably 1.5-2.5.
Present invention also offers a kind of method preparing described photosensitive resin composition, comprise and get described tinting material (A), described alkali soluble resins polymkeric substance (B), described multi-functional monomer (C), described Photoepolymerizationinitiater initiater (D), described auxiliary agent (E) according to selected weight part, and described solvent (F) through coating, front baking, exposure, development, after dry technique, obtained color film.
Present invention also offers the purposes of described photosensitive resin composition for the preparation of colored filter.
Alkali soluble resins polymkeric substance of the present invention, selectedly specificly add 1, the scheme of 2-phthalic acid list [2-[(1-oxo-2-propenyl) oxygen] ethyl] ester monomer, be polymerized with the monomer for the preparation of colored filter alkali soluble resins conventional in prior art, relative to not containing 1, the alkali soluble resins polymkeric substance of 2-phthalic acid list [2-[(1-oxo-2-propenyl) oxygen] ethyl] ester monomer polymerization, there is better storage safe, developability, the advantage such as thermotolerance and solvent resistance, and tinting material has good matching, though have lower acid number, but the photosensitive resin composition prepared then has the developing performance relative to prior art more advantage.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the SEM test result of photosensitive resin composition S1;
Fig. 2 is the SEM test result of photosensitive resin composition S5;
Fig. 3 is the SEM test result of photosensitive resin composition S7;
Fig. 4 is the film surface test result of photosensitive resin composition S1;
Fig. 5 is the film surface test result of photosensitive resin composition S5.
Embodiment
Synthesis example 1
10g monomer M-5400 (Toagosei Co., Ltd) is added in 200mL flask, 20g monomer M-5700 (Toagosei Co., Ltd), 35g benzyl methacrylate, 20gN-phenyl maleimide, part propylene glycol monomethyl ether acetate, molecular weight regulator (lauryl mercaptan), under nitrogen protection, system is heated to determined temperature, under agitation, the residue 1-Methoxy-2-propyl acetate solution of Diisopropyl azodicarboxylate will be dissolved with constant pressure funnel, and 15g methacrylic acid drops in there-necked flask in 30min, constant temperature stirring reaction 3 hours subsequently, cool the temperature to room temperature, remove solvent, obtain alkali soluble resins B1-B4 respectively.GPC records polymer average molecular weight, and molecular weight distribution, and with its acid number of determination of acid-basetitration.
The preparation process of synthesis example 2-4 is identical with synthesis example 1, its difference is only that each monomer that each synthesis example uses is different, with reference to the method for above-mentioned synthesis example 1, the consumption of the described polymerization single polymerization monomer related in synthesis example 1-4, temperature of reaction and initiator amount formula, in table 1, see the following form 2 to the detected result of the polymkeric substance of synthesis.
Each Monomer Formations of table 1 synthesis example 1-4
Show the detected result of 2-in-1 precedent 1-4 resulting polymers
| Synthesis example | Molecular weight Mw | Molecular weight distribution | Solids content % | Acid number mgKOH/g |
| 1 | 8360 | 2.13 | 29.87 | 106.3 |
| 2 | 8100 | 1.95 | 30.06 | 109.2 |
| 3 | 8200 | 2.04 | 29.67 | 108.5 |
| 4 | 7900 | 2.08 | 29.85 | 110.8 |
Synthesis comparative example 1-4
The difference of following synthesis comparative example 1-4 and synthesis example 1-4 is not add described 1,2-phthalic acid list [2-[(1-oxo-2-propenyl) oxygen] ethyl] ester (i.e. monomer M-5400).
20g monomer M-5700 (Toagosei Co., Ltd) is added in 200mL flask, 40g benzyl methacrylate, 20gN-phenyl maleimide, 1-Methoxy-2-propyl acetate, molecular weight regulator (lauryl mercaptan), under nitrogen protection, system is heated to determined temperature, under agitation, the residue 1-Methoxy-2-propyl acetate solution of Diisopropyl azodicarboxylate will be dissolved with constant pressure funnel, and 20g methacrylic acid, drop in 30min in there-necked flask, constant temperature stirring reaction 3 hours subsequently, cool the temperature to room temperature, remove solvent, obtain alkali soluble resins polymer B 5-B8 respectively.GPC records polymer average molecular weight, molecular weight distribution, and with its acid number of determination of acid-basetitration.
The described polymerization single polymerization monomer related in above-mentioned synthesis comparative example 1-4 and consumption, temperature of reaction and initiator amount formula, in table 3, see the following form 4 to the detected result of the polymkeric substance of synthesis.
Table 3 synthesizes each Monomer Formations of comparative example 1-4
Table 4 synthesizes the detected result of comparative example 1-4 resulting polymers
| Comparative example | Molecular weight Mw | Molecular weight distribution | Solids content % | Acid number mgKOH/g |
| 1 | 8500 | 2.03 | 30.07 | 116.1 |
| 2 | 8200 | 2.12 | 29.96 | 115.2 |
| 3 | 8100 | 2.07 | 29.93 | 118.2 |
| 4 | 8300 | 1.98 | 30.12 | 115.7 |
Embodiment 1-8
The alkali soluble resins polymer B 1-B8 adopting above-mentioned synthesis to obtain respectively is example, be mixed with photosensitive polymer combination, concrete enforcement comprises the steps: component (A)-(F) uniform dissolution mixing in agitator, the solids content of the hierarchy of control about 17.5%, according to table 5 proportions photoresist material.The photosensitive resin composition obtained is designated as S1-S8 respectively, and carries out photoetching development, the correlated performance of checking photosensitive polymer combination.
Applying micro-shadow formation method that photosensitive resin composition of the present invention carries out, is that those skilled in the art is well-known.
The formula (g) of photosensitive composition described in table 5 embodiment 1-8
In upper table, corresponding each concrete composition is:
A1: red pigment R254, admittedly containing 20.3%;
A2: veridian G58, admittedly containing 20.1%;
A3: blue pigments B15:6, admittedly containing 21.0%;
C1: dipentaerythritol acrylate;
C2: the third oxidation trimethylolpropane trimethacrylate;
D1:OXE-1 (trade(brand)name, Ciba society manufactures);
D2:IRGAGURE 369 (Ciba society manufactures for 2-benzyl-2-dimethylamino-1-(4-morpholinyl phenyl) butanone, trade(brand)name);
D3:EAB (Ciba society manufactures for 4,4 '-bis-(diethylamino) benzophenone, trade(brand)name);
E1:F-556 (Dainippon Ink Chemicals's manufacture);
E2:AFKA-3600 (manufacture of Ciba society);
E3:KH570 (γ-methacryloxypropyl trimethoxy silane, lark prestige manufactures);
F1:PGMEA (propylene glycol monomethyl ether acetate);
F2:PM (propylene glycol monomethyl ether);
F3:EEP (3-ethoxyl ethyl propionate).
Test case
The follow-up performance evaluation results of the resin combination S1-S8 obtained by above-described embodiment 1-8 is as follows:
Adopt photoresist spinner gluing, the even rete of obtained 1.3-2.0 μm.120 DEG C of front baking 120S.Adopt 50mJ/cm
2expose, at 23 ± 2 DEG C of development 50S.Dry 30min after 230 DEG C and test follow-up correlated performance:
1) Evaluation of Heat Tolerance: the thermotolerance being verified resin by film lapse rate and aberration, film lapse rate <3% and aberration Δ E<3 is good heat resistance.
Film lapse rate=(dry after secondary thickness/once dry thickness afterwards) * 100%, thickness is measured by XP-2 step instrument;
Aberration is dry print and the value of chromatism of once drying print afterwards after secondary, is measured by Minolta CM-5.
2) solvent resistance evaluation:
Sample after rear baking is put in NMP (N-Methyl pyrrolidone), IPA (Virahol), gamma-butyrolactone soaking at room temperature 5min, after being put in baking oven 150 DEG C of baking 30min, aberration before and after measuring, if Δ E<3, then shows the solvent resistance had.
3) alkali resistance evaluation:
Sample after rear baking is put in soaking at room temperature 30min in the NaOH of 5%, and be put in baking oven after 150 DEG C of baking 30min, aberration before and after measuring, if Δ E<3, then shows the alkali resistance had.
4) the cross section gradient and a small amount of film remain:
By the Hitachi S4800 field emission scanning electron microscope testing section gradient and sideline reguarity.
The alkaline-based developer of above-mentioned use, as the aqueous solution of the basic cpds such as sodium hydroxide, potassium hydroxide, sodium carbonate, sodium bicarbonate, calcium carbonate, ammoniacal liquor, diethylamine or Tetramethylammonium hydroxide, OH-concentration is 0.2-1.0%, preferred 0.4-0.6%.
5) film surfaceness:
By the planeness on NSK SPA-400 test membrane surface, if Ra<3nm, P-V<100nm all show to have good planeness.
To the performance test results of the photosensitive resin composition S1-S8 that above-described embodiment 1-8 obtains as following table 6, and carry out SEM test result to S1, S5 and S7 respectively, test result is shown in Fig. 1-3 respectively; And film surface test is carried out to S1, S5, test result is shown in Fig. 4-5.
The performance test results of table 6 photosensitive resin composition S1-S8
From upper table data and Fig. 1-5, in photosensitive polymer combination S1-S4 of the present invention, because of the alkali soluble resins B1-B4 (with the addition of M5400) containing special construction, the photosensitive resin composition obtained is polymerized compared to not adding M5400 composition in prior art, under same development time, residual film is few, and sideline is neat, film surface finish is high, and has better live width.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (13)
1. a colored filter alkali soluble resins polymkeric substance, is characterized in that, described polymkeric substance obtains primarily of following monomer polymerization:
2. colored filter alkali soluble resins polymkeric substance according to claim 1, is characterized in that:
Described unsaturated carboxylic acid or anhydride monomers (b1) are selected from: at least one in ARONIXM5300 prepared by the unsaturated carboxylic acids such as unsaturated monocarboxylic class, toxilic acid, maleic anhydride, fumaric acid, methylene-succinic acid, itaconic anhydride such as (methyl) vinylformic acid, butenoic acid, a-chloracrylic acid, styracin or its anhydrides, succsinic acid [2-(methyl) acrylyl oxy-ethyl] ester, phthalic acid list-[2-(methyl) acrylyl oxy-ethyl] ester or East Asia Synesis Company.
3. colored filter alkali soluble resins polymkeric substance according to claim 1 and 2, is characterized in that:
The described unsaturated monomer (b2) containing hydroxyl is selected from: 2-Hydroxy ethyl acrylate, methacrylic acid-2-hydroxy methacrylate, 2-hydroxypropyl acrylate, methacrylic acid-2-hydroxy propyl ester, vinylformic acid-3-hydroxy propyl ester, methacrylic acid-3-hydroxy propyl ester, vinylformic acid-2-hydroxybutyl, methacrylic acid-2-hydroxybutyl, vinylformic acid-3-hydroxybutyl, methacrylic acid-3-hydroxybutyl, vinylformic acid-4-hydroxybutyl, methacrylic acid-4-hydroxybutyl, dipropylene glycol acrylate, dipropylene glycol methyl acrylate, butylene glycol aerylate, butyleneglycol methacrylic ester, caprolactone modification acrylate, caprolactone modification methacrylic ester, vinylformic acid-2-hydroxyl-3-phenyl ester, or at least one in the ARONIXM5700 for preparing of East Asia Synesis Company.
4., according to the arbitrary described colored filter alkali soluble resins polymkeric substance of claim 1-3, it is characterized in that:
Described N-substituted maleimide monomer (b3) is selected from: at least one in N-phenylmaleimide, N-salicyl maleimide, N-resorcyl maleimide, N-benzyl maleimide, N-cyclohexyl base maleimide, N-succinimido-3-maleimide manthanoate, N-succinimido-4-malimidobutanoate.
5., according to the arbitrary described colored filter alkali soluble resins polymkeric substance of claim 1-4, it is characterized in that:
Described unsaturated polymerization single polymerization monomer (b4) is selected from: vinylbenzene, alpha-methyl styrene, vinylchlorid, methoxy styrene fragrant race vinyl compound, methyl methacrylate, methyl acrylate, ethyl propenoate, β-dimethyl-aminoethylmethacrylate, propyl acrylate, propyl methacrylate, butyl acrylate, butyl methacrylate, phenyl methacrylate, benzyl methacrylate, glycidyl methacrylate, lauryl methacrylate, at least one in isobornyl methacrylate or methacrylic acid cetyl ester.
6., according to the arbitrary described colored filter alkali soluble resins polymkeric substance of claim 1-5, it is characterized in that: also comprise the initiator, molecular weight regulator or the polymer solvent that cause each described monomer polymerization.
7. prepare the method for the arbitrary described alkali soluble resins polymkeric substance of claim 1-5 for one kind, it is characterized in that, comprise and get described 1 according to selected parts by weight, the unsaturated carboxylic acid of 2-phthalic acid list [2-[(1-oxo-2-propenyl) oxygen] ethyl] ester, unsaturated carboxylic acid or anhydride monomers (b1), hydroxyl or anhydride monomers (b2), N-substituted maleimide monomer (b3) and unsaturated polymerization single polymerization monomer (b4), conventionally carry out the step of being polymerized.
8. the method preparing alkali soluble resins polymkeric substance according to claim 7, is characterized in that, also comprises the step adding initiator and polymer solvent, and the step of polymer solvent described in selectively removing.
9. the arbitrary described alkali soluble resins polymkeric substance of claim 1-6 is for the preparation of the purposes of colored filter photosensitive resin composition.
10. a colored filter photosensitive resin composition, is characterized in that, with the total amount of described composition, comprises the component of following weight content:
11. colored filter photosensitive resin compositions according to claim 10, it is characterized in that, the weight-average molecular weight of described alkali soluble resins polymkeric substance (B) is 1000-250000, and its Mw is 1.0-10.0 with the ratio Mw/Mn of the polystyrene conversion number-average molecular weight Mn measured by gel permeation chromatography GPC.
12. 1 kinds of methods preparing colored filter photosensitive resin composition described in claim 10 or 11, it is characterized in that, comprise according to selected weight part get described tinting material (A), alkali soluble resins polymkeric substance (B), multi-functional monomer (C), Photoepolymerizationinitiater initiater (D), auxiliary agent (E) and solvent (F) through coating, front baking, exposure, development, after dry technique, obtain color film.
Described in 13. claims 10 or 11, photosensitive resin composition is for the preparation of the purposes of colored filter.
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| CN108062002A (en) * | 2016-11-08 | 2018-05-22 | 东友精细化工有限公司 | Photosensitive composition, colour filter and image display device |
| CN108319110A (en) * | 2017-01-17 | 2018-07-24 | 固安鼎材科技有限公司 | A kind of colour photoetching compositions and colored filter and preparation method thereof |
| CN109901361A (en) * | 2017-12-11 | 2019-06-18 | 固安鼎材科技有限公司 | Photosensitve resin composition |
| CN112210035A (en) * | 2020-10-27 | 2021-01-12 | 江苏准信自动化科技股份有限公司 | Photosensitive resin for color photoresist and preparation method thereof |
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