Transparent amorphous polyamide having high Tg from hindered aro

Details Transparent amorphous polyamide having high Tg from hindered aro Transparent amorphous polyamide having high Tg from hindered aro

1989-06-15

1990-06-26

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

525432, 528183, 528220, 528229, 528337, 528340, 528347, C08G 6926

Patent

active

049373153

ABSTRACT:
Amorphous and transparent copolyamides having glass transition temperatures, Tg, greater than 140.degree. C. and improved thermomechanical properties, well adopted for the production of a wide variety of useful shaped articles, contain specified amounts of terephthalic acid, 2-methylpentamethylenediamine and hindered aromatic diamine recurring structural units.

REFERENCES:
patent: 3382216 (1968-05-01), Blaschke et al.
patent: 3941755 (1976-05-01), Chapman et al.
patent: 4163101 (1979-07-01), Schade et al.
patent: 4207411 (1980-06-01), Shue
patent: 4382138 (1983-05-01), Paschke
patent: 4384112 (1983-05-01), Paschke
Chemical Abstracts, vol. 71, Abstract No. 114079d (1969), p. 75.

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