Process for preparing blends of polyamide and ionic copolymers

Details Process for preparing blends of polyamide and ionic copolymers Process for preparing blends of polyamide and ionic copolymers

1996-08-26

1997-11-18

Woodward, Ana

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

Synthetic resins

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

525919, C08L 7700

Patent

active

056888686

ABSTRACT:
An improved process for preparing thermoplastic polymer blends which contain at least 50% by weight of polyamide as a principal component with the remainder consisting essentially of an ionic polymer component which is derived from an olefin/acid copolymer in which the polyamide and the ionic polymer are combined into a uniform mixture via melt blending at high shear, and the improvement comprises simultaneously contacting the mixture while in the melt with one or more neutralizing basic metal compounds in an amount sufficient to neutralize from 100% up to 200% of the acid groups present in the ionic polymer component.

REFERENCES:
patent: 3845163 (1974-10-01), Murch
patent: 4174358 (1979-11-01), Epstein

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