Blends of low crystallinity, low molecular weight propylene...

Details Blends of low crystallinity, low molecular weight propylene... Blends of low crystallinity, low molecular weight propylene...

2008-02-15

2011-11-08

Tucker, Philip (Department: 1745)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S281000, C525S089000, C525S095000, C525S098000

Reexamination Certificate

active

08052822

ABSTRACT:
Styrenic block copolymers are blended with propylene copolymers to provide polymeric compositions with an improved balance between processability and elasticity. The compositions have improved processability by facilitating the ease with which a rubbery material, usually difficult to melt process, can be processed at high line speeds, which in turn improves the formation of the composition into films or other articles, assisted by a desired level of melt elasticity, i.e., a high elastic extension and recovery.

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