发明授权
- 专利标题: Resin for plastic lens
- 专利标题(中): 塑料镜片树脂
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申请号: US128772申请日: 1993-09-30
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公开(公告)号: US5449731A公开(公告)日: 1995-09-12
- 发明人: Minoru Suzuki , Akihiro Sasaki , Hiromasa Kawai , Fumiaki Kanega
- 申请人: Minoru Suzuki , Akihiro Sasaki , Hiromasa Kawai , Fumiaki Kanega
- 申请人地址: JPX Tokyo
- 专利权人: Hitachi Chemical Company, Ltd.
- 当前专利权人: Hitachi Chemical Company, Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX4-263513 19921001
- 主分类号: C08F2/38
- IPC分类号: C08F2/38 ; C08F212/08 ; G02B1/04 ; C08F18/16
摘要:
A transparent resin obtained by polymerizing styrene, a methacrylic or acrylic acid ester, a polyfunctional monomer, and if necessary a copolymerizable vinyl monomer in the presence of a molecular weight modifier is suitable for producing a polymer lens having a low specific gravity, and excellent in transparency, edging ability with other good properties.
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