Polypropylene compositions

Details Polypropylene compositions Polypropylene compositions

2011-04-12

2011-04-12

Nutter, Nathan M (Department: 1765)

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

Synthetic resins

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

C525S193000, C525S240000

Reexamination Certificate

active

07923511

ABSTRACT:
A polymer composition having (i) 0.01 to 50% wt (e.g. 0.05 to 15% wt) of a propylene polymer with a polymeric nucleating agent is disclosed. Preferably, the agent contains vinyl compound units and (ii) a heterophasic propylene polymer which includes less (or no) polymeric nucleating agent than the propylene polymer in (i).

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International Search Report dated Apr. 3, 2007.

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