N-vinylamide polymers and process for their manufacture using tw

Details N-vinylamide polymers and process for their manufacture using tw N-vinylamide polymers and process for their manufacture using tw

1979-07-03

1981-07-07

Wong, Jr., Harry

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526218, 526219, 5262305, 526303, 526305, C08F 2238

Patent

active

042775922

ABSTRACT:
A tertiary N-vinylamide is polymerized, optionally together with further monomers, in the presence of an aliphatic hydrocarbon, at a temperature of from 0.degree. to 150.degree. C., using two types of initiator one of which is insoluble and the other soluble in the hydrocarbon used. The pulverulent or granular polymer obtained has a diminished content of residual monomer. It is suitable as protective colloid or dispersing agent for emulsion or suspension polymerizations.

REFERENCES:
patent: 3207732 (1965-09-01), Lynn
patent: 3696085 (1972-10-01), Lederer

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