Heat-stabilized chlorine-containing thermoplastic

Details Heat-stabilized chlorine-containing thermoplastic Heat-stabilized chlorine-containing thermoplastic

1979-12-31

1981-09-22

Schain, Howard E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 23X, 260 457PH, 260 457S, 260 4585S, 260 4595G, C08K 537

Patent

active

042909422

ABSTRACT:
Chlorine-containing thermoplastics, especially polyvinyl chloride, can be stabilized against thermal degradation by incorporating therein synergistic mixtures consisting of (a) a mercaptan of the formula R(CH.sub.2 SH).sub.2, wherein n is 2 to 4 and R represents a n-valent aromatic radical, and (b) an epoxidized plasticizer.

REFERENCES:
patent: 2564194 (1951-08-01), deNie et al.
patent: 2671064 (1954-03-01), Cowell et al.
patent: 3004949 (1961-10-01), Chevassus
patent: 3144422 (1964-08-01), Homberg
patent: 3242133 (1966-03-01), Lindsey
patent: 4098763 (1978-07-01), Starnes, Jr.
patent: 4111873 (1978-09-01), Cordes
Luettringhaus et al., Chem. Abs., vol. 68, 1968, 87282u.

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