Crystalline copolymers prepared from N,N'-terephthaloyldi-beta-a

Details Crystalline copolymers prepared from N,N'-terephthaloyldi-beta-a Crystalline copolymers prepared from N,N'-terephthaloyldi-beta-a

1982-12-21

1983-07-12

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

528274, 528281, 528285, 528291, C08G 6908, C08G 6944

Patent

active

043931928

ABSTRACT:
Novel water insoluble polyamide esters are prepared from dicarboxylic acid diamide derivatives of terephthalic acid and a glycol. In one embodiment, nearly perfectly alternating polyamide esters are prepared in the presence of antimony (III) acetate.

REFERENCES:
patent: 2998412 (1961-08-01), Fletcher
patent: 3420802 (1969-01-01), Scruggs
patent: 3660356 (1972-05-01), Radlmann et al.
patent: 3714126 (1973-01-01), Reid
patent: 3996201 (1976-12-01), Buxbaum
patent: 4069209 (1978-01-01), Lange
patent: 4283524 (1981-08-01), Greene
patent: 4371693 (1983-02-01), Wolfe

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