Inorganic filler containing polyolefin composition

Details Inorganic filler containing polyolefin composition Inorganic filler containing polyolefin composition

C - Chemistry, Metallurgy

08

L

400/9438

C08L 23/02 (2006.01) C08K 3/00 (2006.01) C08K 5/15 (2006.01) C08K 5/1575 (2006.01) C08K 5/20 (2006.01)

Patent

CA 1277078

ABSTRACT AN INORGANIC FILLER CONTAINING POLYOLEFIN COMPOSITION An inorganic filler-containing polyolefin composition which comprises 100 parts by weight of a polyolefin, 1-100 parts by weight of an inorganic filler, 0.01-1.0 part by weight of a phenolic antioxidant represented by the general formula (I) shown below, and at least one compound selected from the group consisting of the compounds represented by the general formulas (II) to (IV) shown below, and optionally 0.01-1.0 part by weight of a sulfur antioxidant and/or 0.01-2.0 parts by weight of a light stabilizer. (I): Image wherein R1 represents an alkyl group of 1-3 carbon atoms, (II): R2-CO-NH-(CH2)n-HN-CO-R2 wherein R2 represents an alkyl group or an alkenyl group of 5-21 carbon atoms, and n is an integer of 1 to 6. (III): R3-CONH2 wherein R3 represents an alkyl group or an alkenyl group of 5-21 carbon atoms, (IV): Image and/or Image wherein R4 represents an alkyl group, an alkenyl group or an acyl group (R'-CO) of 8-18 carbon atoms, m and n are integers which meet m+n=2 to 10, R' represents an aliphatic carbon chain which may be saturated or unsaturated, and R5 represents an alkyl group or an alkenyl group of 7-17 carbon atoms. Excellent thermal-oxidation stability and/or light stability are obtained.

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