Invention Application
WO2006073055A1 COMPOSITE SILICONE RUBBER POWDER, METHOD OF ITS MANUFACTURE, AND USE THEREOF
审中-公开
复合硅橡胶粉，其制造方法及其用途
- Patent Title: COMPOSITE SILICONE RUBBER POWDER, METHOD OF ITS MANUFACTURE, AND USE THEREOF
- Patent Title (中): 复合硅橡胶粉，其制造方法及其用途
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Application No.: PCT/JP2005/023444Application Date: 2005-12-15
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Publication No.: WO2006073055A1Publication Date: 2006-07-13
- Inventor: MORITA, Yoshitsugu
- Applicant: DOW CORNING TORAY CO., LTD. , MORITA, Yoshitsugu
- Applicant Address: 1-3, Marunouchi 1-chome, Chiyoda-ku, Tokyo, 1000005 JP
- Assignee: DOW CORNING TORAY CO., LTD.,MORITA, Yoshitsugu
- Current Assignee: DOW CORNING TORAY CO., LTD.,MORITA, Yoshitsugu
- Current Assignee Address: 1-3, Marunouchi 1-chome, Chiyoda-ku, Tokyo, 1000005 JP
- Priority: JP2005-001014 20050105
- Main IPC: C08J3/12
- IPC: C08J3/12 ; C08J3/20
Abstract:
A composite silicone rubber powder comprising: (A) a silicone rubber powder having an average particle size within the range of 0.1 to 500 µm and hardness of at least 15 by type A durometer according to JIS K 6253, wherein the surface of said silicone rubber powder is coated with (B) a microfine inorganic powder having the BET specific surface area of at least 10 m 2 /g, said composite silicone rubber powder being characterized by the fact that the surface thereof is treated with (C) an organic silicon compound having a silicon-bonded hydrolyzable group, or with a product of partial hydrolysis of said compound, is characterized by excellent dispersibility in coating and cosmetic materials and having the possibility of improving matting properties of coating materials, and feel of use of cosmetic materials.
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