Internally plasticized vinyl chloride copolymer

Details Internally plasticized vinyl chloride copolymer Internally plasticized vinyl chloride copolymer

1977-12-05

1979-04-03

Lilling, Herbert J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260 18PF, 260 18N, 260 23XA, 526 88, 526200, 5262305, C08F 3002, C08F23002

Patent

active

041478533

ABSTRACT:
An internally plasticized copolymer of from about 50% to about 85%, by weight, vinyl chloride, from about 3% to about 47%, by weight, of a C.sub.6 -C.sub.10 alkyl acrylate, and from about 3% to about 47%, by weight, of a bis(hydrocarbyl)vinylphosphonate is disclosed. This copolymer can be formed by using conventional suspension, emulsion, solution or bulk polymerization procedures and can be utilized without any substantial amount of added external plasticizer in those applications in which externally plasticized vinyl chloride polymers are normally used. The use of such a resin overcomes the plasticizer migration problems associated with externally plasticized polyvinyl chloride systems.

REFERENCES:
patent: 3706686 (1972-12-01), Eilers et al.
patent: 3725359 (1973-04-01), Goswami et al.
patent: 3726839 (1973-04-01), Jin
patent: 3792113 (1974-02-01), Goswami et al.
patent: 3819770 (1974-06-01), Kraft et al.
patent: 3948842 (1976-04-01), Kraft et al.
patent: 3983294 (1976-09-01), Goswami et al.
patent: 3993715 (1976-11-01), Hwa et al.

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