Propylene polymer composition for injection molding

Details Propylene polymer composition for injection molding Propylene polymer composition for injection molding

2006-01-20

2010-10-19

Cheung, William K (Department: 1796)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S348000, C526S065000

Reexamination Certificate

active

07816466

ABSTRACT:
A propylene polymer composition comprising (weight percentages being referred to the sum of A+B): (A) 75-95% by weight of a copolymer of propylene comprising from 0.5 to 3.0 mole % of comonomer units derived from ethylene and/or C4-C8 alpha-olefins; and (B) 5-25% by weight of a copolymer of propylene comprising from 25 to 45 mole % of ethylene units, said propylene polymer composition having a melt flow rate value according to ISO 1133 (230° C., 2.16 Kg) of from 20 to 40 g/10 min.

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