C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
C08B 37/00 (2006.01) B01J 19/02 (2006.01) C08F 2/00 (2006.01) C09D 105/00 (2006.01) C09D 199/00 (2006.01) C23F 14/02 (2006.01)
Patent
CA 2043223
ABSTRACT OF DISCLOSURE A method of preventing polymer scale deposition during polymerization of a monomer having an ethylenically double bond in a polymerization vessel, comprising the step of carrying out said polymerization in a polymerization ves- sel of which the inner wall surface has a coating compris- ing a water-soluble polysaccharide; and a polymer scale preventive agent comprising polysaccharide. By use of the method or agent, deposition of polymer scale can be effec- tively prevented; in addition, polymers with a high white- ness can be prepared. Moreover, the scale preventive agent used has no poisonousness or the like and is highly safe.
Sato Takanori
Shimizu Toshihide
Marks & Clerk
Shin-Etsu Chemical Co. Ltd.
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