Process for polymerizing olefinic monomers which substantially e

Details Process for polymerizing olefinic monomers which substantially e Process for polymerizing olefinic monomers which substantially e

1973-08-27

1976-06-08

Henderson, Christopher A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260 292N, 526 82, 526237, 526343, 526345, 526347, 526335, 526280, 526293, 526328, C08F 111, C08F 182, C08F 330

Patent

active

039622029

ABSTRACT:
There is disclosed a process for 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 whereby polymer build-up on the inner surfaces of the reactor is substantially eliminated. The process is carried out in a reaction vessel the inner surfaces of which are coated with a coating composition containing, as a primary ingredient, polyethyleneimine and wherein the polymerization medium in contact with said coated surfaces contains a water-soluble divalent tin salt as a water-phase polymerization inhibitor. The coating and inhibitor produce a synergistic effect.

REFERENCES:
patent: 3757001 (1973-09-01), Reiter
patent: 3778423 (1973-12-01), Reiter

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