Compositions for rigid asbestos - reinforced polyvinyl chloride

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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260 23EP, 260 4226, 260 4237, 260 457R, 264 41, 264221, C08L 9100

Patent

active

039488330

ABSTRACT:
An asbestos-vinyl chloride polymer composition suitable for melt processing into rigid products is disclosed. The composition comprises (a) a vinyl chloride homopolymer, vinyl chloride copolymer or a mixture thereof, (b) up to 150% by weight based on the weight of polymer of asbestos, and (c) a stabilizer system composed of 1-5% by weight based on the weight of polymer of at least one organometal compound wherein the metal is selected from Ba, Cd, Zn, Pb, Sn, Ca or combinations thereof, at least 3% by weight based on the weight of polymer of epoxide and a compound selected from a polyol or a metal derivative of the polyol or an amino compound of polyacetic acid in an amount of 3-20% by weight based on the weight of the polymer.

REFERENCES:
patent: 2275957 (1942-03-01), Groff et al.
patent: 2711401 (1955-06-01), Lally
patent: 2734881 (1956-02-01), Lally et al.
patent: 2921917 (1960-01-01), Long
patent: 3084135 (1963-04-01), Sculli
patent: 3180848 (1965-04-01), Thompson
chevassus et al. "The Stabilization of Polyvinyl Chloride" pp. 130, 302 & 303 Pub. by St. Martins Press, N. Y. 1963.

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