Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Organic polymerization
Patent
1978-10-23
1980-10-14
Dixon, Jr., William R.
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Organic polymerization
422241, 427230, 427236, 428 35, 526 62, 526 74, 526344, B01J 120, B05D 722, C08F 200
Patent
active
042281300
ABSTRACT:
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 (NaOCl), dissolved in an aqueous alkaline solution. When polymerizing olefinic monomers, such as vinyl halides, vinylidene halides, and vinylidene monomers having at least one terminal CH.sub.2 .dbd.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.
REFERENCES:
patent: 4080173 (1978-03-01), Cohen
patent: 4081248 (1978-03-01), Cohen
patent: 4098972 (1978-07-01), Ogawa
Dixon Jr. William R.
The B. F. Goodrich Company
Wymbs Roy P.
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