Title:
CURABLE COMPOSITION AND CURED SUBSTANCE THEREOF
Document Type and Number:
WIPO Patent Application WO/2012/114986
Kind Code:
A1
Abstract:
[Problem] To provide a curable composition characterized in that a cured substance obtained by curing the curable composition has excellent transparency, heat resistance, and surface hardness, and has a low Abbe number.
[Solution] A curable composition including silica fine particles (a), a (meth)acrylate compound having two or more ethylenically unsaturated groups (b), a (meth)allyl compound having two or more ethylenically unsaturated groups and an aromatic ring structure (c), and a polymerization initiator (d), characterized in that the silica fine particles (a) are surface-treated with a specific silane compound (e) and a silane compound (f).
Inventors:
URAKAWA YOSHIFUMI (JP)
YAMAKI SHIGERU (JP)
ISHII NOBUAKI (JP)
YAMAKI SHIGERU (JP)
ISHII NOBUAKI (JP)
Application Number:
PCT/JP2012/053755
Publication Date:
August 30, 2012
Filing Date:
February 17, 2012
Export Citation:
Assignee:
SHOWA DENKO KK (JP)
URAKAWA YOSHIFUMI (JP)
YAMAKI SHIGERU (JP)
ISHII NOBUAKI (JP)
URAKAWA YOSHIFUMI (JP)
YAMAKI SHIGERU (JP)
ISHII NOBUAKI (JP)
International Classes:
C08F2/44; C08F292/00; G02B1/04
Domestic Patent References:
| WO2010116841A1 | 2010-10-14 |
Foreign References:
| JP2002333501A | 2002-11-22 | |||
| JP2004051851A | 2004-02-19 | |||
| JPH06322087A | 1994-11-22 | |||
| JPH1077321A | 1998-03-24 | |||
| JPH10298252A | 1998-11-10 | |||
| JP2003090901A | 2003-03-28 | |||
| JP2002097217A | 2002-04-02 |
Attorney, Agent or Firm:
SSINPAT PATENT FIRM (JP)
Patent business corporation SSINPAT (JP)
Patent business corporation SSINPAT (JP)
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Claims:
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