Polyolefin resin composition containing carbon black

Details Polyolefin resin composition containing carbon black Polyolefin resin composition containing carbon black

C - Chemistry, Metallurgy

08

L

C08L 23/02 (2006.01) C08K 3/04 (2006.01) C08K 5/00 (2006.01) C08K 5/1575 (2006.01) C08K 13/02 (2006.01) C08L 21/00 (2006.01)

Patent

CA 2109663

ABSTRACT A polyolefin resin (A) containing carbon black is blended with the following components: (B) a phenolic compound represented by the following formula (I): Image (I) wherein R1 is alkyl of 1 to 4 carbon atoms; (C) an organic sulfur compound selected from the compounds represented by the following formulas (II-1) and (II-2): (R2 - OCOCH2CH2)2S (II-1) (R2 - SCH2CHCOOCH2)4C (II-2) wherein R2 is alkyl of 4 to 20 carbon atoms; (D) a piperidine compound having at least one 2,2,6,6- tetramethylpiperidine ring in a molecule; and (E) an epoxy compound of bisphenol A type glycidyl ether. The composition thus blended exhibits excellent stability against thermal oxidation.

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