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Title:
FLEXIBLE ACRYLIC COPOLYMER, ITS PRODUCING METHOD AND FLEXIBLE RESIN COMPOSITION
Document Type and Number:
Japanese Patent JP2002293838
Kind Code:
A
Abstract:

To provide a novel flexible acrylic copolymer replaced with a flexible vinyl chloride resin which does not contain a halogen atom, a production method thereof and a flexible resin composition containing the copolymer.

The flexible acrylic copolymer comprises a copolymer of a methyl methacrylate of 40-70 wt.% and a n-butyl acrylate of 60-30 wt.% and it has the reduced viscosity of 0.9-3.0 dl/g, a glass transition point of 90°C or less and tanδ at 20°C of 0.07 or more. The copolymer is produced by suspension polymerization or the like. The flexible resin composition is obtained by adding a plasticizer to the copolymer.


Inventors:
MORISADA IKUO
Application Number:
JP2002013830A
Publication Date:
October 09, 2002
Filing Date:
January 23, 2002
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO
International Classes:
C08K5/00; C08F2/18; C08F220/12; C08L33/06; (IPC1-7): C08F220/12; C08F2/18; C08K5/00; C08L33/06
Attorney, Agent or Firm:
Toshikazu Fukai