Polymer scale preventive liquid and method of preventing...

C - Chemistry – Metallurgy – 09 – D

Patent

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C09D 189/00 (2006.01) B01J 19/02 (2006.01) C08F 2/00 (2006.01) C09D 101/00 (2006.01) C09D 103/00 (2006.01) C23F 14/00 (2006.01)

Patent

CA 2044652

ABSTRACT OF DISCLOSURE A polymer scale preventive liquid for use in polymerization of a monomer having an ethylenic double bond, comprising (A) a protein and (B) an anionic polysaccharide, and having a pH 7 or less; and a method of preventing polymer scale deposition in a polymerization vessel, which comprises carrying out the polymerization of said monomer in a polymerization vessel having a coating on its inner wall surfaces by applying said liquid and then drying. Deposition of polymer scale can be effectively prevented; in addition, polymers with a high whiteness can be prepared. Moreover, this polymer scale preventive liquid has no poisonousness and is-highly safe.

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