C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
117/166, 23/379,
C23F 14/02 (2006.01) B01J 19/00 (2006.01) C08F 2/00 (2006.01) C08G 8/04 (2006.01) C09D 5/14 (2006.01)
Patent
CA 2008960
ABSTRACT OF THE DISCLOSURE Method of preventing polymer scale deposition 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 a coating comprising a reac- tion product of a tannin and an aldehyde; a scale pre- ventive agent comprising said reaction product; and a polymerization vessel having said coating on the inner wall thereof. Polymer scale deposition on the inner wall, etc. of the polymerization vessel can be effectively pre- vented.
Kaneko Ichiro
Ueno Susumu
Watanabe Mikio
Mcfadden Fincham
Shin-Etsu Chemical Co. Ltd.
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