Dehydrochlorination of vinyl chloride resins followed by graft c

Details Dehydrochlorination of vinyl chloride resins followed by graft c Dehydrochlorination of vinyl chloride resins followed by graft c

1982-09-01

1983-12-27

Henderson, C. A.

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

Synthetic resins

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

525242, 525309, 525313, 5253315, 525340, 525366, 525367, C08F 600, C08F 826, C08F26304, C08F25902

Patent

active

044231938

ABSTRACT:
Vinylchloride resins such as polyvinylchloride, copolymers of vinylchloride and vinyl acetate and copolymers of vinylchloride and vinylidene chloride are dehydrochlorinated in water at 150.degree. to 180.degree. C. to provide a dehydrochlorinated vinylchloride resin which can be graft copolymerized with one or more copolymerizable monomers containing polymerizable ethylenically unsaturated double bonds. Grafted copolymers in which the grafting monomer is butyl acrylate and the like provide an internally plasticized vinylchloride resin.

REFERENCES:
patent: 2908662 (1959-10-01), Rees
patent: 2982760 (1961-05-01), Maragliano
patent: 3576914 (1971-04-01), Donat
patent: 3826789 (1974-07-01), Yokokawa
patent: 3919131 (1975-11-01), Malatesta
Ostensson and Flodin, J. Macromol, Sci.-Chem., A12(2), 249-260, (1978).
Roth, Rempp, Barrod, J. Polym. Sci., 58, 1311, (1962).

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