Synergistic combination of alkoxy-substituted phosphonitrilic co

Details Synergistic combination of alkoxy-substituted phosphonitrilic co Synergistic combination of alkoxy-substituted phosphonitrilic co

1976-11-15

1978-03-21

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

252404, 260 458NT, 260 458R, 260 4585B, 260 4595C, 260 4595R, 260 4595H, 260927N, C08K 551

Patent

active

040803619

ABSTRACT:
A stabilizer combination for use in improving the resistance of olefin polymers to deterioration and physical properties on exposure to heat comprising A) an organic phosphonitrilic composition derived from a triphosphonitrilic halide and an hydroxy compound selected from alcohols containing one to about 20 carbon atoms and diols having the formula ##STR1## wherein X is a covalent bound or alkylene of 1 to about 12 carbon atoms, R.sub.1 and R.sub.2 are the same or different as hydrogen or alkyl having 1 to about 6 carbon atoms, and n is an integer from 1 to about 200; and B) from about 0.1 to about 25 parts by weight of an ortho-hindered phenolic primary antioxidant.

REFERENCES:
patent: 3840621 (1974-10-01), Franko-Filipasic
patent: 3920616 (1975-11-01), Murch
CA 63 5517f (1965).
J. Org. Chem. 31 (6) 2004-2005 (1966).
Index Chemicus 22 69578 (1966).

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