Thermosetting one-solution type composition for protective film of color filter and color filter using the same
A composition and protective film technology, applied in instruments, optical filters, nonlinear optics, etc., can solve the problems of inability to form a single-component epoxy resin system, complicated methods, and difficult to handle epoxy resin systems.
Inactive Publication Date: 2006-04-19
CHEIL IND INC
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Problems solved by technology
[0006] In general, epoxy resins are known to react quickly with curing agents, so they are frequently used in two-component systems where the main agent and curing agent are mixed, but it is difficult to apply them in one-component systems
This two-component epoxy resin system is difficult to handle and is not suitable for industrial applications
[0007] However, the above-mentioned conventional techniques cannot form a one-component epoxy resin system while achieving all the characteristics of transparency, film strength, heat resistance, acid resistance and alkali resistance.
In this matter, although Japanese Patent Laid-Open Publication No. 2001-091732 discloses a technique for exhibiting storage stability by protecting a polyfunctional carboxylic acid compound with vinyl ether, the method is complicated, thus negatively affecting the final product. cost
In addition, it is uncertain whether vinyl ethers can be used industrially because the vinyl ethers used are harmful to humans
Method used
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Examples
Experimental program
Comparison scheme
Effect test
preparation Embodiment 1
[0070] 40g polymer solution A obtained in Synthesis Example 1 and 3.5g epoxy resin (EP-154, JER), 1.4g silane coupling agent (S-510, Chisso), 0.12g surfactant (frorard FC -430, Suimitomo 3M) and 31 g of propylene glycol monomethyl ether acetate were mixed, and then the reaction mixture was sufficiently stirred, dissolved, and filtered to obtain the desired thermosetting one-solution type composition F for a color filter protective film.
preparation Embodiment 2
[0072] A thermosetting one-solution type composition G for a color filter protective film was prepared in the same manner as in Preparation Example 1 except that 40 g of the polymer solution B obtained in Synthesis Example 2 was used instead of the polymer solution A.
preparation Embodiment 3
[0074] A thermosetting one-solution type composition H for a color filter protective film was prepared in the same manner as in Preparation Example 1 except that 40 g of the polymer solution C obtained in Synthesis Example 3 was used instead of the polymer solution A.
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Disclosed herein is a thermosetting one-solution type composition for a protective film of a color filter. Specifically, a thermosetting one-solution type composition for a protective film of a color filter, which includes a self-curing copolymer obtained by copolymerizing one or two kinds of (meth)acrylate having an epoxy ring structure at a side chain thereof with (meth)acrylate having a terminal hydroxide group, and an organic solvent, is provided, and also, a color filter including the protective film manufactured using the above composition and a liquid crystal display including the color filter are provided. The thermosetting one-solution type composition for a protective film of a color filter of the current invention has good adhesive strength, transparency, film strength, heat resistance, acid resistance, and alkali resistance, and as well, can be stored for a long time.
Description
technical field [0001] The present invention generally relates to a thermosetting one-solution type composition for a protective film of a color filter, and more particularly, to a thermosetting one-solution type composition for a protective film of a color filter, comprising a Or two kinds of self-curing copolymers and organic solvents obtained by copolymerization of (meth)acrylates with epoxy ring structures on their side chains and (meth)acrylates with terminal hydroxyl groups, and involving The color filter of the protective film prepared by the material and the liquid crystal display device including the color filter. Background technique [0002] In order to level and protect the surface of a color filter for a liquid crystal display, a protective film is typically attached to the surface. Such a surface protective film should exhibit optical transparency and sufficient film strength, and should also have sufficient heat resistance to undergo a process of forming a tr...
Claims
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IPC IPC(8): G02B5/20G02F1/1335C03C17/28C08G59/00
CPCC08L33/14C08L63/00C09D133/14C08L2666/14C09D163/00
Inventor 张元凡宇都宫伸李善栗
Owner CHEIL IND INC