Thermally stabilized polyolefin compositions

Details Thermally stabilized polyolefin compositions Thermally stabilized polyolefin compositions

1978-06-05

1980-08-05

Seccuro, Carman J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 459NP, 260 458N, 525149, C08K 551, C08L 2306, C08L 2312

Patent

active

042161371

ABSTRACT:
Polyolefins are rendered resistant to degradation upon exposure to heat by incorporating therein a stabilizing amount of a synergistic combination of a phenol-terpene resin, a sulfur-containing secondary antioxidant and a phosphonitrilic composition derived rom a phosphonitrilic halide and certain hydroxy compounds. The above synergistic combination is especially effective for stabilizing polyolefins containing carbon black.

REFERENCES:
patent: 2606886 (1952-08-01), Amberg
patent: 2866773 (1958-12-01), Redfarm
patent: 3378516 (1968-04-01), Tholstrup et al.
patent: 3667922 (1972-06-01), Proctor et al.
patent: 4080361 (1978-03-01), Wang et al.

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