Transparent copolyamide from 1,10-disubstituted-1,10 diamine

Details Transparent copolyamide from 1,10-disubstituted-1,10 diamine Transparent copolyamide from 1,10-disubstituted-1,10 diamine

1979-10-09

1981-03-10

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528339, 528340, 528346, 528347, 528349, C08G 6926

Patent

active

042555590

ABSTRACT:
There are described transparent copolyamides which are obtained by reaction of a mixture A) consisting of essentially stoichiometric amounts of a diamine of the formula ##STR1## and isophthalic acid, a mixture of isophthalic acid and terephthalic acid, or amide-forming derivatives thereof, in a molar ratio isophthatic acid(derivative) : terephthalic acid(derivative) of 5:5 to 10:0, with a mixture B) consisting of essentially stoichiometric amounts of a diamine of the formula ##STR2## and a dicarboxylic acid of the formula

REFERENCES:
patent: 3597400 (1971-08-01), Kashiro et al.
patent: 3939147 (1976-02-01), Hugelin et al.
patent: 4100111 (1978-07-01), Peter et al.
Chemical Abstracts, 49, (1955), 4330b.

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