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Title:
CURABLE COMPOSITION AND CURED OBJECT OBTAINED THEREFROM
Document Type and Number:
WIPO Patent Application WO/2012/063644
Kind Code:
A1
Abstract:
[Problem] To provide a curable composition capable of giving a cured object which has excellent transparency and heat resistance and has a small temperature dependence of refractive index. [Solution] A curable composition characterized by comprising fine inorganic particles (a), a (meth)acrylate compound (b), and a polymerization initiator (c). The composition is further characterized in that when the content of particles having a particle diameter of 15±5 nm in the fine inorganic particles (a) is taken as 1, the content of particles having a particle diameter of 45±5 nm therein is 0.15-5.0 in terms of mass ratio.

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Inventors:
URAKAWA YOSHIFUMI (JP)
SEKINE TAKASHI (JP)
YAMAKI SHIGERU (JP)
ISHII NOBUAKI (JP)
Application Number:
PCT/JP2011/074655
Publication Date:
May 18, 2012
Filing Date:
October 26, 2011
Export Citation:
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Assignee:
SHOWA DENKO KK (JP)
URAKAWA YOSHIFUMI (JP)
SEKINE TAKASHI (JP)
YAMAKI SHIGERU (JP)
ISHII NOBUAKI (JP)
International Classes:
C08F2/44; C08F20/00; C08K9/06; C08L33/06; G02B1/04
Domestic Patent References:
WO2010001875A12010-01-07
Foreign References:
JP2010059339A2010-03-18
JP2003034761A2003-02-07
JP2008241767A2008-10-09
JP2010280832A2010-12-16
Attorney, Agent or Firm:
SSINPAT PATENT FIRM (JP)
Patent business corporation SSINPAT (JP)
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