Vinyl chloride polymers having improved stability

Details Vinyl chloride polymers having improved stability Vinyl chloride polymers having improved stability

1978-05-25

1980-06-03

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

252 1, 252 81, 252407, 252399, 260 23XA, 260 458R, C08L 9100

Patent

active

042061032

ABSTRACT:
A vinyl chloride polymer composition containing small proportions of a dialkyl pentaerythritol diphosphite and a solid, aliphatic polyhydroxy compound. The composition is characterized by good thermal stability and resistance to coloration on exposure to ultraviolet light.

REFERENCES:
patent: 3205250 (1965-09-01), Hechenbleikner
patent: 3998782 (1976-12-01), Hutton et al.
patent: 4064100 (1977-12-01), Hechenbleikner
"Encyclopedia of PVC," vol. 1, pp. 308-309, Marcel Dekker, Inc., New York (1976).

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