Method of preparing homo and co-polymers of vinyl chloride adapt

Details Method of preparing homo and co-polymers of vinyl chloride adapt Method of preparing homo and co-polymers of vinyl chloride adapt

1980-10-23

1982-07-20

Henderson, C. A.

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

Synthetic resins

Treating polymer containing material or treating a solid...

210651, 526909, 528502, C08F 620

Patent

active

043407226

ABSTRACT:
A method of preparing homo and co-polymers of vinyl chloride in the form of a powder adapted to give plastisols, in which a latex of homo or co-polymers of vinyl chloride, containing from 30 to 60% by weight of dry material and comprising two populations of particles with specific granulometric properties, is concentrated by eliminating a fraction of the aqueous phase in the liquid state, then the residual water is dried off. The dry material content of the concentrated latex is from 50 to 80% by weight, and the absolute difference between the dry material content of the latex before and after concentration is over 10% by weight.

REFERENCES:
patent: 3875130 (1975-04-01), Kemp
patent: 3956114 (1976-05-01), Del Pico
patent: 4082659 (1978-04-01), Heinze
patent: 4091197 (1978-05-01), Fischer
patent: 4160726 (1979-07-01), Del Pico
patent: 4245070 (1981-01-01), Kemp

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