PHOTOCURABLE RESIN COMPOSITION AND OPTICAL MATERIAL

WIPO Patent Application WO2002029448

A3

The invention relates to a photocurable resin composition comprising the following components: a) a urethane (meth)acrylate produced by reacting compounds which at least comprise a polyether diol compound with a number average molecular weight of 200 to 500 containing a structure selected from the group consisting of a tetramethyleneoxy structure, a propyleneoxy structure, and a 1,2-butyleneoxy structure in the molecule, an organic polyisocyanate compound, and a hydroxyl group-containing (meth)acrylate, b) a monofunctional (meth)acrylate and c) a photoinitiator. The invention further relates to optical parts and products like projection TV's.

TANABE TAKAYOSHI (JP)
UKON MASAKATSU (JP)
UEDA JIRO (JP)
UKACHI TAKASHI (JP)

PCT/NL2001/000714

August 08, 2002

October 01, 2001

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DSM N LV (NL)
JSR CORP (JP)
JAPAN FINE COATINGS CO LTD (JP)
TANABE TAKAYOSHI (JP)
UKON MASAKATSU (JP)
UEDA JIRO (JP)
UKACHI TAKASHI (JP)

G03F7/027; C08F2/44; C08F2/50; C08F290/06; C08F299/06; C08G18/32; C08G18/48; C08G18/67; G02B1/04; (IPC1-7): C08G18/48; C08G18/32; C08G18/67

US5903399A	1999-05-11
US5712035A	1998-01-27

DATABASE WPI Section Ch Week 199230, Derwent World Patents Index; Class A12, AN 1992-245723, XP002194495
CHEMICAL ABSTRACTS, vol. 120, no. 16, 18 April 1994, Columbus, Ohio, US; abstract no. 193318, XP000372074

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