(METH)ACRYLATE COPOLYMER FOR SYRUP AND RESIN COMPOSITION THEREOF

Title:

(METH)ACRYLATE COPOLYMER FOR SYRUP AND RESIN COMPOSITION THEREOF

Document Type and Number:

WIPO Patent Application WO/2008/062764

Kind Code:

A1

Abstract:

Disclosed is a copolymer for a syrup, which comprises (A) 1 to 60 mass% of at least one (meth)acrylate compound selected from a (meth)acrylate-modified silicone oil, an alkyl (meth)acrylate, a monoalkylene glycol (meth)acrylate and a polyalkylene glycol (meth)acrylate and (B) 99 to 40 mass% of a (meth)acrylate compound having an alicyclic hydrocarbon group having 6 or more carbon atoms bonded thereto via an ester bonding. Also disclosed is a (meth)acrylate composition comprising a (meth)acrylate monomer and 1 to 60 mass% of the above-mentioned (meth)acrylate copolymer. Further disclosed is a cured product of the (meth)acrylate composition. The (meth)acrylate copolymer has excellent solubility in a (meth)acrylate compound having an alicyclic ester substituent. The (meth)acrylate resin composition comprising the copolymer particularly has excellent transparency and enables to produce a cured product which is stable against ultraviolet ray and heat, and therefore can be suitably used as a material relating to a lens, an illumination lamp, an automobile, a display, an optical semiconductor or the like.

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Inventors:

OTA TSUYOSHI (JP)
YUKIMASA SHINICHI (JP)
OBATA YUTAKA (JP)
TAKEBE TOMOAKI (JP)

Application Number:

PCT/JP2007/072404

Publication Date:

May 29, 2008

Filing Date:

November 19, 2007

Export Citation:

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Assignee:

IDEMITSU KOSAN CO (JP)
OTA TSUYOSHI (JP)
YUKIMASA SHINICHI (JP)
OBATA YUTAKA (JP)
TAKEBE TOMOAKI (JP)

International Classes:

C08F290/06; C08F220/12

Domestic Patent References:

WO2006051803A1

2006-05-18

Foreign References:

JP2006213851A	2006-08-17
JP2005281363A	2005-10-13
JPH0243506A	1990-02-14
JP2004176043A	2004-06-24
JPH0475241B2	1992-11-30
JP2005187643A	2005-07-14
JPH02179940A	1990-07-12

Other References: