Composition for lining the walls of reactors and connected appar

Details Composition for lining the walls of reactors and connected appar Composition for lining the walls of reactors and connected appar

1982-03-01

1984-06-26

Levin, Stanford M.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

427156, 525 62, 526 62, 526 74, C08F11606

Patent

active

044567316

ABSTRACT:
A composition for lining the walls of reactors and other connected apparatus in contact with reactant mixtures and reaction products during the polymerization of vinyl compounds, which reduces or prevents polymer deposits or incrustations on the said walls, constituted by the product of the prolonged reaction at 75.degree. C. between a polyvinyl alcohol of medium degree of hydrolysis prepared by the controlled alkaline alcoholysis of an ester of a wide molecular weight distribution polyvinyl alcohol and a polycarboxylic oxyacid, in a weight ratio of beween 35:10 and 40:10, which is applicable by known means, preferably by spraying.

REFERENCES:
patent: 3050418 (1962-08-01), Mendelsohn et al.
patent: 3220991 (1965-11-01), Martins

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