C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
400/1303, 117/16
C08F 2/00 (2006.01) B01J 19/02 (2006.01)
Patent
CA 2011524
A method of preventing polymer scale deposition in a polymerization vessel during polymerization of a monomer having an ethylenically double bond, wherein said polymerization is carried out in a polymerization vessel of which the inner wall has been previously coated with a coating solution containing (A) a tannin, and (B) a water-soluble polymeric compound, followed by drying to form a coating; a scale preventive agent comprising the components (A) and (B); and a polymerization vessel having said coating an the inner wall thereof. Polymer scale deposition on the inner wall, etc. of the polymerization vessel can be effectively prevented.
Kaneko Ichiro
Shimizu Toshihide
Ueno Susumu
Watanabe Mikio
Mcfadden Fincham
Shin-Etsu Chemical Co. Ltd.
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