Polyamide copolymers

Details Polyamide copolymers Polyamide copolymers

1975-03-13

1980-08-19

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

525432, 528318, 528324, 528331, 528336, 528347, C08G 6916, C08G 6924

Patent

active

042185092

ABSTRACT:
Filaments and fibers formed from a ternary fibre-forming polyamide consisting essentially of the polymeric condensation product of (1) at least 50 percent by weight of hexamethylene diammonium adipate, (2) 20-40 percent by weight of hexamethylene diammonium terephthalate and (3) 2-20 percent by weight of a third polyamide.

REFERENCES:
patent: 2252555 (1941-08-01), Carothers
patent: 2913433 (1959-11-01), Wittbecker
patent: 2918454 (1959-12-01), Graham
patent: 3145193 (1964-08-01), Gabler
patent: 3308221 (1967-03-01), Opfell
patent: 3351205 (1967-11-01), Butler et al.
patent: 3380968 (1968-04-01), Ridgway
patent: 3621089 (1971-11-01), Edgar et al.
patent: 3926924 (1975-12-01), Edgar et al.
Oronite Chemical Co.-Oronite Isophthalic; Apr. 1955, No. 10.

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