Mixtures of polymer having polyamide blocks and copolymers havin

Details Mixtures of polymer having polyamide blocks and copolymers havin Mixtures of polymer having polyamide blocks and copolymers havin

1998-01-22

1999-12-07

Hampton-Hightower, P.

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

Synthetic resins

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

528170, 528310, 528323, 528328, 525 66, 525179, 525183, 525408, 525420, 525430, 525432, C08L 7700

Patent

active

059985453

ABSTRACT:
The present invention relates to a mixture of polymers (A) having polyamide blocks and copolymers (B) comprising vinylaromatic units and unsaturated carboxylic anhydride units, the quantity of (B) being sufficient for the melt index (or melt flow index, MFI) of the mixture of (A) and (B) to be less than the melt index of (A) alone.
It also relates to masterbatches of (A) and (B).

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patent: 4864019 (1989-09-01), Cuzin et al.
patent: 4966941 (1990-10-01), Subramanian
patent: 5122570 (1992-06-01), Subramanian
patent: 5126407 (1992-06-01), Subramanian
French Search Report dated Oct. 7, 1997.

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