B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
117/221, 23/379,
B01J 19/02 (2006.01) B05D 7/22 (2006.01) C08F 2/00 (2006.01)
Patent
CA 1134683
ABSTRACT OF THE DISCLOSURE This invention relates to a polymerization reaction vessel having a coating on the inner surfaces thereof resulting from applying thereto a coating composition containing the reaction product of (1) the self-condensation product of a polyhydric phenol, or (2) the condensation product of two or more polyhydric phenols, or (3) the self-condensation product of a polyhydric naphthol, with a bleaching material, such as, for example, sodium hypochlorite (NaOC1), dissolved in an aqueous alkaline solution. When polymerizing ole- finic monomers, such as vinyl halides, vinylidene halides, and vinylidene monomers having at least one terminal CH2=C< group, and mixtures thereof, polymer buildup on the inner surfaces of the reaction vessel is substantially reduced. Further, multiple charges or batches of polymer can be made in said internally coated reaction vessel without opening the same between charges thus preventing the escape of unreacted monomer(s) to the surrounding atmosphere.
336176
Goodrich (b.,f.) Company (the)
Sherman
LandOfFree
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