Stabilizers for halopolymer compositions

Details Stabilizers for halopolymer compositions Stabilizers for halopolymer compositions

1992-04-15

1993-04-06

Morgan, Kriellion S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524100, 524147, 524151, 524152, 524153, 524302, 524303, 524424, 524436, C08K 33492, C08K 536, C08K 5524

Patent

active

052005038

ABSTRACT:
A composition comprising an ethylene/chlorotrifluoroethylene copolymer and an effective stabilizing amount of a phenolic complex of the formula: ##STR1## wherein at least one of R.sub.1, R.sub.2, R.sub.3, R.sub.4, and R.sub.5 is --OH, and wherein the remaining R.sub.1 through R.sub.5 is hydrogen or an aliphatic hydrocarbon, and wherein each of R.sub.1 through R.sub.5 may be the same or different provided that at least one of R.sub.1 through R.sub.5 is --OH, and each of R.sub.6 and R.sub.7 is an alkylene group having from 1 to about 10 carbon atoms, and each of R.sub.6 and R.sub.7 may be the same or different. The composition may further include a phosphite, a thioester or sulfide compound, and/or an inorganic filler such as tricalcium aluminate hexahydrate. Such compositions show improved melt stability at high temperatures and are useful as wire and cable coatings, films, and pipes.

REFERENCES:
patent: 3707542 (1972-12-01), Steinberg et al.
patent: 3773698 (1973-11-01), Khattab
patent: 4349468 (1982-09-01), Nakahara et al.
patent: 4444929 (1987-04-01), Chaser
patent: 4707509 (1987-01-01), Fisch et al.

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