B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
117/209, 6/6, 40
B05D 5/08 (2006.01) B01J 19/00 (2006.01) C08F 2/00 (2006.01)
Patent
CA 2015759
-18- ABSTRACT OF 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 acid halide. Polymer scale deposition on the inner wall, etc. of the polymerization vessel can be effectively prevented. The preventive agent used has neither risk of produced polymer being colored nor toxicity.
Kaneko Ichiro
Ueno Susumu
Watanabe Mikio
Kaneko Ichiro
Mcfadden Fincham
Shin-Etsu Chemical Co. Ltd.
Ueno Susumu
Watanabe Mikio
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