PHOTOCHROMIC CURABLE COMPOSITION

Title:

PHOTOCHROMIC CURABLE COMPOSITION

Document Type and Number:

WIPO Patent Application WO/1996/037574

Kind Code:

A1

Abstract:

A photochromic curable composition prepared by blending a monomer mixture comprising: (A) a compound having at least one epoxy group in the molecule (e.g., glycidyl methacrylate), (B) polypropylene glycol di(meth)acrylate, (C) polyethylene glycol di(meth)acrylate, and (D) a (meth)acrylate monomer and/or a styrelic monomer with (E) 'alpha'-methylstyrene dimer and (F) a photochromic compound. This composition is excellent in moldability in curing and can give a product of curing excellent in the persistence of photochromism.

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Inventors:

NAGOH HIRONOBU (JP)
IMURA SATOSHI (JP)
KOBAYAKAWA TAKASHI (JP)

Application Number:

PCT/JP1996/001385

Publication Date:

November 28, 1996

Filing Date:

May 24, 1996

Export Citation:

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Assignee:

TOKUYAMA CORP (JP)
NAGOH HIRONOBU (JP)
IMURA SATOSHI (JP)
KOBAYAKAWA TAKASHI (JP)

International Classes:

C08F220/32; C08F222/10; C08F290/00; C08F290/06; C08G59/40; C08L63/00; C09K9/02; G02F1/17; G03C1/73; G03C1/76; (IPC1-7): C09K9/02; C08K5/34; C08L33/14; G02C7/02; G03C1/73

Foreign References:

JPH05306392A	1993-11-19
JPH0255784A	1990-02-26
JPH03261945A	1991-11-21

Other References: