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Light sensitive colouring composition and filter
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A coloring composition, photosensitive technology, applied in the direction of instruments, optics, filters, etc., can solve problems such as inability to obtain satisfactory results
Inactive Publication Date: 2009-07-22
TOYO INK SC HOLD CO LTD +1
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Problems solved by technology
[0016] However, the actual situation is that even with these methods, except for some methods, the remaining methods cannot obtain satisfactory results.
Method used
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manufacture example 1
[0093] Put 70.0 parts of cyclohexanone into a detachable 4-neck flask equipped with a thermometer, cooling tube, nitrogen inlet tube, dropper and stirring device, raise the temperature to 80°C, replace the inside of the flask with nitrogen, and use a dropper to Add 13.3 parts of n-butyl methacrylate, 4.6 parts of 2-hydroxyethyl methacrylate, 4.3 parts of methacrylic acid, 7.4 parts of ethylene oxide modified acrylate (East Asia) in 2 hours. A mixture of Aronix M110 manufactured by Seisei Co., Ltd.) and 0.4 parts of 2,2'-azobisisobutyronitrile. After completion of the dropwise addition, the reaction was continued for 3 hours to obtain a solution of the desired copolymer (1) having a solid content of 30%. The weight average molecular weight of this copolymer (1) was 26,000.
manufacture example 2
[0095]Put 70.0 parts of cyclohexanone into a detachable 4-neck flask equipped with a thermometer, cooling tube, nitrogen inlet tube, dropper and stirring device, raise the temperature to 80°C, replace the inside of the flask with nitrogen, and use a dropper to 13.3 parts of n-butyl methacrylate, 4.6 parts of 2-hydroxyethyl methacrylate, 4.3 parts of methacrylic acid, 7.4 parts of nonylphenoxypolyethylene glycol acrylate (Toagosei Co. A mixture of Aronix M111) and 0.4 parts of 2,2'-azobisisobutyronitrile. After completion of the dropwise addition, the reaction was continued for 3 hours to obtain a solution of the desired copolymer (2) having a solid content of 30%. The weight average molecular weight of this copolymer (2) was 28,000.
manufacture example 3
[0097] Put 70.0 parts of cyclohexanone into a detachable 4-necked flask equipped with a thermometer, a cooling tube, a nitrogen gas introduction tube, a dropper and a stirring device, raise the temperature to 80°C, replace the inside of the reaction vessel with nitrogen, and then use a dropper Add 13.3 parts of n-butyl methacrylate, 4.6 parts of 2-hydroxyethyl methacrylate, 4.3 parts of methacrylic acid, and 7.4 parts of nonylphenoxy polypropylene glycol acrylate (manufactured by Toagosei Co., Ltd.) dropwise for 2 hours. Aronix M117) and a mixed solution of 0.4 parts of 2,2'-azobisisobutyronitrile. After completion of the dropwise addition, the reaction was continued for 3 hours to obtain a solution of the desired copolymer (3) having a solid content of 30%. The weight average molecular weight of this copolymer (3) was 22,000.
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Abstract
Provided are a novel photosensitive coloring composition having excellent dispersion stability and fluidity and a color filter using the composition. A color filter has extremely reduced inferiority by using a color resist where the generation of insoluble agglomerate at the terminal part of a dispense nozzle or a slit die and the inside of an air operator or a pipe made of Teflon or polypropylene is remarkably reduced, by using the composition. The photosensitive coloring composition comprises a resin having a copolymer of at least one kind of compound represented by the formula I and another compound having an ethylenically unsaturated double bond; a monomer; and a colorant, wherein R1 is H or CH3; R2 is an alkylene group of C2-C3; R3 is H or an alkyl group of C1-C20 which may contains a benzene ring; and n is an integer of 1-15. Preferably the another compound having an ethylenically unsaturated double bond is at least one selected from the group consisting of (meth)acrylic acid and (meth)acrylate. The composition comprises further at least one selected from the group consisting of a basic group-having pigment derivative, a basic group-having anthraquinone derivative and a basic group-having triazine derivative.
Description
technical field [0001] The present invention relates to a novel photosensitive coloring composition and color filter. The photosensitive coloring composition of the present invention is suitably used as an image forming material such as an optical color filter or a solder resist. In particular, the present invention relates to a photosensitive coloring composition and a color filter suitable for producing color filters used for color liquid crystal display devices, color imaging tube elements, and the like. Background technique [0002] Color filters used in color liquid crystal display devices, color imaging tube elements, etc. are colored images in which fine patterns such as stripes or mosaics of two or more different tones are formed on a transparent substrate such as a glass substrate. The pattern width is about 5 to 700 μm, which varies depending on the application of the color filter and each color. In addition, since the positional accuracy of overlapping patterns ...
Claims
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Application Information
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