Title:
MANUFACTURING METHOD AND USE FOR CHLORINATED POLYVINYL CHLORIDE RESIN
Document Type and Number:
WIPO Patent Application WO/2022/202783
Kind Code:
A1
Abstract:
In order to provide a chlorinated polyvinyl chloride resin that has superior workability, heat stability, and physical properties, this manufacturing method for a chlorinated polyvinyl chloride resin includes a chlorination step in which chlorine is supplied to a slurry including a polyvinyl chloride resin and a powder of a polypropylene resin with a viscosity average molecular weight of 3500 or greater, the result is irradiated with UV rays, and the polyvinyl chloride resin is chlorinated.
Inventors:
MATSUO KAZUHIRO (JP)
TANAKA KATSUYUKI (JP)
TANAKA KATSUYUKI (JP)
Application Number:
PCT/JP2022/013069
Publication Date:
September 29, 2022
Filing Date:
March 22, 2022
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
C08F8/20; C08L27/24
Foreign References:
| JPH02242841A | 1990-09-27 | |||
| JPS4728085A | ||||
| JPS63122715A | 1988-05-26 | |||
| JP2001131374A | 2001-05-15 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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