B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
117/221, 23/379,
B01J 19/02 (2006.01) B05D 5/04 (2006.01) B05D 5/08 (2006.01) C08F 2/00 (2006.01) C08F 2/18 (2006.01)
Patent
CA 1121669
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 compo- sition containing, as a primary ingredient, the reaction product or oligomers of (1) an alkyl or halogen substi- tuted phenol, such as p-chlorophenol and the like, (2) a condensing agent, such as formaldehyde, and the like, and (3) a polyhydric phenol, such as resorcinol, and the like, dissolved in water or an aqueous alkaline solution. When polymerizing olefinic monomers, such as vinyl halides, vinylidene halides, and vinylidene monomers, having at least one terminal CH2-CH < group, and mixtures thereof, polymer buildup on the inner surfaces of the reaction vessel is substantially eliminated. 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 atmos- phere.
336175
Goodrich (b.,f.) Company (the)
Sherman
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