Vinyl chloride copolymer and composition containing the same

Details Vinyl chloride copolymer and composition containing the same Vinyl chloride copolymer and composition containing the same

1983-03-08

1984-06-19

Wong, Jr., Harry

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

Synthetic resins

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

525222, 525227, 525231, 525239, C08L 3700

Patent

active

044554079

ABSTRACT:
A copolymer comprising (a) vinyl chloride or a mixture of vinyl chloride and a monomer copolymerizable therewith and (b) 1,2-polybutadiene oligomer and/or epoxidized 1,2-polybutadiene oligomer. The plasticized copolymer can be molded into soft moldings having a low compression set and high tensile and tear strenghts. Also, by the incorporation of the copolymer into vinyl chloride homopolymer or copolymers, hard moldings having delustered surface can be obtained without conducting delustering operation.

REFERENCES:
patent: 2915494 (1959-12-01), Snoddon
patent: 3082197 (1963-03-01), Witt
patent: 3095406 (1963-06-01), Short et al.
patent: 3472914 (1969-10-01), Comstock et al.
patent: 3763123 (1973-10-01), Waterman et al.
patent: 4067841 (1978-01-01), Aurichio
patent: 4264754 (1981-04-01), Kageyama et al.

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