Polyolefin composition with improved abrasion resistance

Details Polyolefin composition with improved abrasion resistance Polyolefin composition with improved abrasion resistance

2007-11-06

2007-11-06

Seidleck, James J. (Department: 1711)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S097000, C525S098000, C525S099000, C524S487000

Reexamination Certificate

active

10495615

ABSTRACT:
A composition comprising: (I) 55 to 95% by weight of an heterophasic polyolefin composition comprising 8 to 50% by weight of a crystalline propylene polymer fraction and 50 to 92% by weight of an elastomeric propylene fraction; (II) 2 to 20% by weight of an oxidized polyethylene wax having an acid number of 5 to 35 mg KOHIg, a molecular weight Mn of 1,000 to 100,000, and a melting point comprised between 92° C. and 140° C.; and (III) 3 to 25% by weight of a styrene block copolymer.

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