Transparent polyamide compositions having high resistance to che

Details Transparent polyamide compositions having high resistance to che Transparent polyamide compositions having high resistance to che

1992-12-18

1995-05-16

Seidleck, James J.

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

Synthetic resins

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

525419, 528346, 528324, C08L 7710, C08G 6926

Patent

active

054161720

ABSTRACT:
Transparent polyamide compositions having high resistance to chemical agents, as well as the process for their preparation and the articles obtained from said compositions. The present polyamide compositions contain from 1 to 99% by weight, preferably 40 to 90% by weight, of a first polyamide consisting of aliphatic units containing at least 7 carbon atoms, isophthalic and terephthalic diacids, the latter being predominant, and cycloaliphatic diamine units, and from 99 to 1% by weight, preferably 60 to 10%, of a semi-crystalline polyamide consisting of at least 35%, preferably 50%, by weight of an aliphatic unit containing at least 7 carbon atoms.

REFERENCES:
patent: 4232145 (1980-11-01), Schmid
patent: 4731421 (1988-03-01), Hoppe

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