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专利名称：Process for preparing Methyl Methacrylate
Polymer
发明人：Higuchi, Yasushi, c/o Mitsubishi Gas Chem.
Co.,Kuwahara, Shojiro, c/o Mitsubishi GasChem. Co.,Hieda, Shinichi, c/o Mitsubishi GasChem. Co.,Kurokawa, Masahiro, c/oMitsubishi Gas Chem. Co.
申请号：EP941145.1申请日：19941019公开号：EP0652237B1公开日：19970917
摘要：A process for preparing a high-quality methyl methacrylate polymer bypolymerizing a monomer comprising methyl methacrylate as a main component in thepresence of a radical polymerization initiator and a chain transfer agent, said processcomprising the step of adding a small amount of methanol as a solvent, and the step ofcarrying out the polymerization in a uniform solution at a temperature of 90 to 180 DEGC so that a monomer conversion may be in the range of 40 to 90 mol%. According to thisprocess, the methyl methacrylate polymer can be obtained which reduces the generationof silver streaks, voids, coloring, odor and the like at the time of thermal molding.
申请人：MITSUBISHI GAS CHEMICAL CO
地址：JP
国籍：JP
代理机构：Hrabal, Ulrich, Dr.
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