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Title:
HARDENING COMPOSITION AND RESULTANT HARDENED MATERIAL
Document Type and Number:
WIPO Patent Application WO/2010/001875
Kind Code:
A1
Abstract:
Provided is a hardening composition having a superior handling ability and capable of rendering a hardened material having superior properties in terms of transparency, thermal resistance, environment resistance, and formability. The hardening composition includes: (a) fine silica particles; (b) acrylate/methacrylate having at least two unsaturated ethylene groups but not having a ring structure; (c) acrylate/methacrylate having an unsaturated ethylene group, and having an alicyclic ring structure; and (d) a polymerization initiator, wherein the fine silica particles (a) have been subjected to the surface treatment with a silane compound (e) expressed by the following general formula (1) and a silane compound (f) expressed by the following general formula (2)

Inventors:
YAMAKI, Shigeru (13-9 Shibadaimon 1-chome, Minato-k, Tokyo 18, 〒1058518, JP)
山木 繁 (〒18 東京都港区芝大門一丁目13番9号 昭和電工株式会社内 Tokyo, 〒1058518, JP)
MIYATA, Hideo (13-9 Shibadaimon 1-chome, Minato-k, Tokyo 18, 〒1058518, JP)
宮田 英雄 (〒18 東京都港区芝大門一丁目13番9号 昭和電工株式会社内 Tokyo, 〒1058518, JP)
MITARAI, Nobuyuki (13-9 Shibadaimon 1-chome, Minato-k, Tokyo 18, 〒1058518, JP)
Application Number:
JP2009/061903
Publication Date:
January 07, 2010
Filing Date:
June 30, 2009
Export Citation:
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Assignee:
SHOWA DENKO K.K. (13-9, Shibadaimon 1-chome Minato-k, Tokyo 18, 〒1058518, JP)
昭和電工株式会社 (〒18 東京都港区芝大門一丁目13番9号 Tokyo, 〒1058518, JP)
YAMAKI, Shigeru (13-9 Shibadaimon 1-chome, Minato-k, Tokyo 18, 〒1058518, JP)
山木 繁 (〒18 東京都港区芝大門一丁目13番9号 昭和電工株式会社内 Tokyo, 〒1058518, JP)
MIYATA, Hideo (13-9 Shibadaimon 1-chome, Minato-k, Tokyo 18, 〒1058518, JP)
宮田 英雄 (〒18 東京都港区芝大門一丁目13番9号 昭和電工株式会社内 Tokyo, 〒1058518, JP)
International Classes:
C08F220/10; C08F2/44; C08F283/12
Domestic Patent References:
2008-02-07
Foreign References:
JP2005003772A2005-01-06
JP2006249322A2006-09-21
JP2008001895A2008-01-10
JPH02116036A1990-04-27
JPH1077321A1998-03-24
JPH05209027A1993-08-20
JPH10231339A1998-09-02
JPH10298252A1998-11-10
JP4008246B22007-11-14
Other References:
See also references of EP 2298822A1
Attorney, Agent or Firm:
MAKIMURA, Koji (SSINPAT PATENT FIRM, Gotanda Yamazaki Bldg. 6F 13-6, Nishigotanda 7-chome, Shinagawa-k, Tokyo 31, 〒1410031, JP)
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