Title:
METHOD FOR PRODUCING POLYVINYL CHLORIDE POLYMER
Document Type and Number:
Japanese Patent JP2022147841
Kind Code:
A
Abstract:
To provide a method for producing a polyvinyl chloride polymer that can stably make a resin of a desired apparent density.SOLUTION: A vinyl chloride monomer and a monomer copolymerizable with the vinyl chloride monomer are polymerized in a reaction tank with an oxygen level of 120 to 220 mol ppm per 1 mol of all the monomers used in the polymerization.SELECTED DRAWING: None
Inventors:
KANEKO YOSHIMASA
TANAKA HIDEYUKI
TANAKA HIDEYUKI
Application Number:
JP2021049282A
Publication Date:
October 06, 2022
Filing Date:
March 23, 2021
Export Citation:
Assignee:
KANEKA CORP
International Classes:
C08F214/06
Attorney, Agent or Firm:
Patent business corporation HARAKENZO WORLD PATENT & TRADEMARK
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