Green photosensitive resin composition, color filter and display device comprising same
A technology of photosensitive resin and composition, applied in the direction of chemical instruments and methods, photosensitive materials for photomechanical equipment, instruments, etc., can solve the problem that the light transmittance and contrast of pixels cannot be said to be sufficient to meet the required level, chemical resistance Insufficient quality and heat resistance, high colorant content, etc., to achieve high contrast, excellent heat resistance and chemical resistance, and high light transmittance
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Synthetic example 1
[0261] After introducing 180 g of propylene glycol monomethyl ether acetate into a flask equipped with a stirrer, a thermometer, a reflux cooling pipe, a dropping funnel, and a nitrogen introduction pipe, the temperature was raised to 80°C.
[0262] Then, a mixture containing 110.5 g of 3-ethyl-3-(methacryloyloxy)methyloxetane, 14.4 g of acrylic acid, and 35.2 g of benzyl methacrylate was dissolved, and α-methylbenzene was added After ethylene dimer (chain transfer agent) 5.0g weight part, will add the 2 of 3.3g in 50 weight part propylene glycol monomethyl ether acetate, 2 '- azobis (2,4-dimethyl A solution of valeronitrile) was dropped into the flask from the dropping funnel over 1 hour, and stirred at 80° C. for 5 hours to obtain a thermally crosslinkable oxetane resin B-1 with a solid content acid value of 65 mgKOH / g.
[0263] The polystyrene equivalent weight average molecular weight measured by GPC was 10100, and the molecular weight distribution (Mw / Mn) was 2.8.
Synthetic example 2
[0265] After introducing 180 g of propylene glycol monomethyl ether acetate into a flask equipped with a stirrer, a thermometer, a reflux cooling pipe, a dropping funnel, and a nitrogen introduction pipe, the temperature was raised to 80°C.
[0266] Then, a mixture containing 110.5 g of 3-ethyl-3-(methacryloyloxy)methyloxetane, 17.2 g of methacrylic acid, and 23.6 g of 4-vinyltoluene was dissolved, and α-formaldehyde was added. After adding 5.0 g parts by weight of styrene dimer (chain transfer agent), 3.3 g of 2,2'-azobis(2,4-bis Methyl valeronitrile) was dripped into the flask from the dropping funnel over 1 hour, and stirred at 80°C for 5 hours to obtain a thermally crosslinked oxetane resin B- 2.
[0267] The polystyrene equivalent weight average molecular weight measured by GPC was 12300, and the molecular weight distribution (Mw / Mn) was 2.7.
Synthetic example 3
[0269] After introducing 180 g of propylene glycol monomethyl ether acetate into a flask equipped with a stirrer, a thermometer, a reflux cooling pipe, a dropping funnel, and a nitrogen introduction pipe, the temperature was raised to 80°C.
[0270] Then, a mixture containing 102.1 g of 3-ethyl-3-(acryloxy)methyloxetane, 21.6 g of acrylic acid, and 17.6 g of benzyl methacrylate was dissolved, and α-methylstyrene di Polymer (chain transfer agent) 5.0g parts by weight, will add 3.3g of 2,2'-azobis (2,4-dimethylvaleronitrile in 50 parts by weight of propylene glycol monomethyl ether acetate ) was dropped into the flask from the dropping funnel over 1 hour, and stirred at 80° C. for 5 hours to obtain a thermally crosslinked oxetane resin B-3 with a solid content acid value of 95 mgKOH / g.
[0271] The polystyrene equivalent weight average molecular weight measured by GPC was 8900, and the molecular weight distribution (Mw / Mn) was 2.9.
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