Title:
PHOTOCHROMIC RESIN COMPOSITION AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JPH06220247
Kind Code:
A
Abstract:
PURPOSE: To obtain a resin compsn. which comprises a vinyl resin and a photochromic substance dispersed therein and exhibits a remarkable color change at a low amt. of the substance dispersed by improving the vinyl resin.
CONSTITUTION: This resin compsn. is obtd. by using a copolymer which is obtd. by copolymerizing 70wt.% or lower vinyl monomer which forms a hydrophobic vinyl polymer having a glass transition point of 100°C or higher with 30wt.% or higher vinyl monomer which forms a hydrophobic vinyl polymer having a glass transition point of 25°C or lower.
Inventors:
SHINTO NOBORU
Application Number:
JP3129993A
Publication Date:
August 09, 1994
Filing Date:
January 26, 1993
Export Citation:
Assignee:
SEKISUI PLASTICS
International Classes:
C08F2/18; C08F2/44; C08K5/00; C08K5/04; C08K5/16; C08L101/00; C08L101/12; C09K9/02; (IPC1-7): C08K5/04; C08F2/18; C08F2/44; C08K5/16; C08L101/00; C09K9/02
Attorney, Agent or Firm:
Masami Sakai