Coating processes – Interior of hollow article coating
Patent
1975-05-02
1977-05-17
Smith, Ronald H.
Coating processes
Interior of hollow article coating
23252A, 23285, 260 292N, 427236, 526 62, B05D 722, C08F11400
Patent
active
040243010
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, as a primary ingredient, a straight chain or branched polyaromatic amine dissolved in an aqueous alkali metal hydroxide solution. When polymerizing olefinic monomers, such as vinyl halides, vinylidene halides, and vinylidene monomers having at least one terminal CH.sub.2 =C< grouping, and mixtures thereof, in the presence of said coating, polymer build-up 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 to the atmosphere.
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Cohen Louis
Haehn James B.
Witenhafer Donald E.
Frenkel Stuart D.
Smith Ronald H.
The B. F. Goodrich Company
Wymbs Roy P.
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