Stabilizers for halopolymer compositions

Details Stabilizers for halopolymer compositions Stabilizers for halopolymer compositions

C - Chemistry, Metallurgy

08

L

400/7061, 400/93

C08L 27/00 (2006.01) C08K 5/13 (2006.01) C08K 5/3477 (2006.01) C08K 5/36 (2006.01)

Patent

CA 2033610

ABSTRACT OF THE DISCLOSURE A composition comprising a halopolymer and effective stabilizing amount of a phenolic complex of the formula: Image wherein at least one of R1, R2, R3, R4, and R5 is -OH, and wherein the remaining R1 through R5 is hydrogen or an aliphatic hydrocarbon, and wherein each of R1 through R5 may be the same or different provided that at least one of R1 through R5 is -OH, and each of R6 and R7 is an alkylene group having from 1 to about 10 carbon atoms, and each of R6 and R7 may be the same or different. The composition may further include a phosphite, and/or a thioester or sulfide compound. Such compositions show improved melt stability at high temperatures and are useful as wire and cable coatings, films, and pipes.

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