发明授权
- 专利标题: Silicone rubber composition for optical sheet, and optical sheet
- 专利标题(中): 光学片用硅橡胶组合物和光学片
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申请号: US13338396申请日: 2011-12-28
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公开(公告)号: US08628858B2公开(公告)日: 2014-01-14
- 发明人: Minoru Igarashi , Tsutomu Nakamura , Atsuo Ito , Tomoyoshi Furihata , Hyung-Bae Kim
- 申请人: Minoru Igarashi , Tsutomu Nakamura , Atsuo Ito , Tomoyoshi Furihata , Hyung-Bae Kim
- 申请人地址: JP Tokyo
- 专利权人: Shin-Etsu Chemical Co., Ltd.
- 当前专利权人: Shin-Etsu Chemical Co., Ltd.
- 当前专利权人地址: JP Tokyo
- 代理机构: Westerman, Hattori, Daniels & Adrian, LLP
- 优先权: JP2010-291823 20101228
- 主分类号: B32B9/04
- IPC分类号: B32B9/04
摘要:
Disclosed is a millable type silicone rubber composition including as an essential components: (A) 100 parts by weight of an organopolysiloxane represented by the following average compositional formula (I) and having a polymerization degree of at least 100; R1aSiO(4-a)/2 (I) wherein R1 are, identical or different, unsubstituted or substituted monovalent hydrocarbon groups, and a is a positive number of 1.95 to 2.05; (B) 70 to 150 parts by weight of fumed silica having a specific surface area of more than 200 m2/g; (C) 0.1 to 30 parts by weight of an organohydrogenpolysiloxane having at least two hydrogen atoms bonded to silicon atoms in one molecule; and (D) 0.1 to 10 parts by weight of a hydrosilylation reaction catalyst.