PHOTOCURING-TYPE COMPOSITION FOR OPTICAL DISK

Japanese Patent JP3172074

B2

PROBLEM TO BE SOLVED: To obtain a photocuring-type composition for an optical disk having a high curing rate and excellent adhesivity to a substrate without a problem of malodor, comprising a compound having more than two propenyl ether terminal groups and a photopolymerization initiator.
SOLUTION: This photocuring-type composition for an optical disk is composed of (A) a compound having at least two propenyl ether terminal groups and (B) a photopolymerization initiator (e.g. triphenylsulfonium phosphate) preferably in a weight ratio (A/B) of (96/4)-(98/2). As the component A, a urethane oligomer having propenyl ether terminal groups of the formula [(m) is 0-200; (n) is 2-200; Q1 is OX2O or N (R2)-X4-N(R2) (X2 is a residue of diol; X4 is a 2-12C alkylene or arylene, etc.; R2 is a 2-12C alkyl or aralkyl, etc.); Q2 is OX2O; Z1 is a polyfunctional isocyanate residue; Z2 is a bifunctional isocyanate residue; at least two out of (n)-pieces of R1 are propenyl and residue are H or an alkyl, etc.] is preferable.

JPS63142006	PHOTOCURABLE RESIN COMPOSITION
WO/2019/004365	PHOTOSENSITIVE RESIN COMPOSITION, CURED PRODUCT, BLACK MATRIX AND IMAGE DISPLAY DEVICE

Takao Saitoh
Kohei Maeda
Nao Ozasa

JP32827695A

June 04, 2001

November 21, 1995

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SANYO CHEMICAL INDUSTRIES,LTD.

C08F2/48; C08F2/50; C08F16/12; C08F290/00; C08F299/02; C08F299/06; C08G18/67; C08G63/47; C08G65/331; G11B7/24047; G11B7/2533; G11B7/2534; (IPC1-7): G11B7/24; C08F2/50; C08F16/12; C08F299/06

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JP7128850A
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JP4277557A
JP641258A
JP8157479A
JP8211612A
JP829985A
JP6250392A
JP6186741A
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