Polyamide compositions toughened with waste plasticized polyviny

Details Polyamide compositions toughened with waste plasticized polyviny Polyamide compositions toughened with waste plasticized polyviny

1997-03-20

1998-06-23

Cain, Edward J.

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

Synthetic resins

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

525 58, 525178, 525180, 525183, C08L 7700

Patent

active

057706549

ABSTRACT:
A composition which is a uniform blend of 50-90 weight % of a polyamide melt-processable within the temperature range of 180.degree.-210.degree. C. and 50-10 weight % of recovered plasticized polyvinylbutyral, optionally also containing a small amount of an elastomeric ethylene copolymer carrying pendant succinic anhydride groups, has high impact strength and good flexural modulus. The polyamide in these compositions forms the matrix, and the plasticized polyvinylbutyral and any elastomer present form the dispersed phase. Such compositions have good barrier properties and are useful, among others, in applications where good toughness is required, for example, in packaging subjected to rough handling.

REFERENCES:
patent: 3626026 (1971-12-01), Fukumura et al.
patent: 4248977 (1981-02-01), Wertz
patent: 5281674 (1994-01-01), Klaiber et al.
patent: 5332774 (1994-07-01), Klang et al.

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