Polymers of vinyl chloride having low vinyl chloride monomer con

Details Polymers of vinyl chloride having low vinyl chloride monomer con Polymers of vinyl chloride having low vinyl chloride monomer con

1977-09-22

1980-08-26

Levin, Stanford M.

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

Synthetic resins

Treating polymer containing material or treating a solid...

260 18PF, 260 4575J, 260 4575W, C08F 600

Patent

active

042196400

ABSTRACT:
Dry particulate vinyl chloride homopolymer and copolymers, and dry particulate compositions containing major proportions of these polymers, having 2 parts or less per million of vinyl chloride monomer are provided. The vinyl chloride monomer can be so low as to be undetectable. The reduction in monomer content is achieved by subjecting the dry polymer particles to elevated temperature, agitation, and subatmospheric pressure.

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patent: 3956249 (1976-05-01), Goodman et al.
Chemistry and Technology of Polyvinyl Chloride, Gottesman, R. T., Applied Pol. Sci., pp. 349-380 (1975), A.C.S.
The Practical Methods of Organic Chemistry, Gattermann, pp. 16, 25 (1923)

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