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Patent Searching and Data


Title:
MICROCAPSULE
Document Type and Number:
Japanese Patent JP2020138174
Kind Code:
A
Abstract:
To provide a microcapsule capable of reducing fish eyes in a produced vinyl polymer.SOLUTION: The microcapsule has a core/shell structure, the shell contains a water-soluble polymer, and the core contains an organic peroxide. The water-soluble polymer is preferably at least one selected from the group consisting of a polyvinyl alcohol, gelatin, a poly(meth)acrylic acid derivative, polyvinylpyrrolidone, and polyethylene oxide. The polyvinyl alcohol is preferably a partially saponified polyvinyl alcohol having a degree of saponification of 80 mol% or more and 99.5 mol% or less and an average degree of polymerization of 1,500 or more and 3,500 or less.SELECTED DRAWING: None

Inventors:
SAITO HIROAKI
KAWAKUBO NORIHIKO
Application Number:
JP2019037343A
Publication Date:
September 03, 2020
Filing Date:
March 01, 2019
Export Citation:
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Assignee:
SHINETSU CHEMICAL CO
International Classes:
C08F2/20; B01J13/04; C08F14/06
Domestic Patent References:
JPH04293904A1992-10-19
JPH0448926A1992-02-18
Attorney, Agent or Firm:
Toranomon Intellectual Property Office