METHACRYLIC RESIN COMPOSITION
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United States of America Patent
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Jul 28, 2016
app pub date -
Sep 8, 2014
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Sep 11, 2013
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Provided is a methacrylic resin composition which comprises a copolymer produced by polymerizing monomer components including methyl methacrylate and an acrylic acid ester, wherein the contents of methyl methacrylate and the acrylic acid ester are 95.5% by weight or more and 4.5% by weight or less, respectively. A solution of the methacrylic resin composition in chloroform having a concentration of 0.5 g/50 ml has a reduced viscosity of 40 to 50 ml/g at 25° C., and the triad syndiotacticity in a methyl methacrylate unit chain is 47 to 51%. The resin composition is useful for injection molding.
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