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Title:
METHOD FOR PRODUCING VINYL CHLORIDE RESIN
Document Type and Number:
Japanese Patent JP2002121235
Kind Code:
A
Abstract:

To provide a method for producing a vinyl chloride resin having uniform particle size distribution and excellent impact resistance and weather resistance in high polymerization efficiency.

The method for the production of a vinyl chloride resin comprises the 1st step to perform the emulsion polymerization of 100 pts.wt. of an alkyl (meth)acrylate giving a homopolymer having a second order transition temperature of <0°C and 0.1-30 pts.wt. of a polyfunctional monomer in a 1st reactor, the 2nd step to add 0.1-3 pts.wt. of a partially saponified polyvinyl acetate to 100 pts.wt. of the obtained copolymer after the emulsion polymerization, the 3rd step to transport the mixed liquid to a 2nd reactor and the 4th step to perform the graft-polymerization of vinyl chloride monomer in the 2nd reactor.


Inventors:
KAWAGUCHI YASUHIRO
FUKUDA KEIJI
Application Number:
JP2000318016A
Publication Date:
April 23, 2002
Filing Date:
October 18, 2000
Export Citation:
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Assignee:
TOKUYAMA SEKISUI IND CORP
International Classes:
C08F2/20; C08F2/24; C08F265/06; (IPC1-7): C08F265/06; C08F2/20; C08F2/24
Attorney, Agent or Firm:
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