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Optical materials

来源:九壹网
专利内容由知识产权出版社提供

专利名称:Optical materials

发明人:Akira Ohmori,Nobuyuki Tomihashi,Takahiro

Kitahara

申请号:US06/491234申请日:19830503公开号:US04500694A公开日:19850219

摘要:An optical material comprising a thermal resisting fluoroalkylmethacrylatecopolymer which essentially consists of

(a) fluorine-containing methacrylate monomer unit of the formula ##STR1## whereinR.sub.f.sup.1 represents a fluoroalkyl group having 1 to 3 carbon atoms and

(b) a fluorine-containing acrylate monomer unit of the formula ##STR2## whereinR.sub.1 and R.sub.2 are the same or different and represents a hydrogen atom or a loweralkyl group and R.sub.f.sup.2 represents a fluoroalkyl group having 1 to 3 carbon atoms.

申请人:DAIKIN KOGYO CO., LTD.

代理机构:Larson and Taylor

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