COPOLYMER FOR IMPROVING METHACRYLIC RESIN HEAT RESISTANCE

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United States of America Patent

APP PUB NO 20150203610A1
SERIAL NO

14417721

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A copolymer for improving heat resistance of a methacrylic resin which can achieve preservation of excellent transparency of the methacrylic resin and improvement in heat resistance, and can provide a molded product having excellent appearance, by adding the copolymer to the methacrylic resin, is provided. According to the present invention, a copolymer for improving heat resistance of a methacrylic resin, including: 45 to 85 mass % of an aromatic vinyl monomer unit; 5 to 45 mass % of a (meth)acrylic acid ester monomer unit; and 10 to 20 mass % of an unsaturated dicarboxylic acid anhydride monomer unit; wherein the copolymer has a total light transmittance of 88% or more, the total light transmittance being measured in accordance with ASTM D1003 for a sample with 2 mm-thickness, is provided.

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Patent Owner(s)

Patent OwnerAddress
DENKI KAGAKU KOGYO KABUSHIKI KAISHATOKYO TOKYO METROPOLIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsumoto, Masanori Ichihara-city, JP 117 554
Noguchi, Tetsuo Ichihara-city, JP 19 115
Ohtsuka, Takeshi Ichihara-city, JP 6 32
Shindo, Yuichi Ichihara-city, JP 8 13

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