Copolyamides and polyamide compositions, process of manufacture

Details Copolyamides and polyamide compositions, process of manufacture Copolyamides and polyamide compositions, process of manufacture

1998-09-18

2000-11-07

Hampton-Hightower, P.

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

Synthetic resins

From carboxylic acid or derivative thereof

528170, 528322, 528323, 528324, 528326, 528332, C08G 7300, C08G 6914

Patent

active

061438626

ABSTRACT:
Colpolyamides resulting from the polycondensation of a mixture of (a) dodecanelactam (L12) or of 12-aminododecanoic acid (A12) and of (b) 11-aminoundecanoic acid (A11) are characterized in that the monomer L12 or A12 represents 1 to 15% or 85 to 99% by weight of the mixture, and the copolyamides have melting points (mp) as a function of the composition, the units originating from the monomer A12 and L12 being in a majority or minority respectively:

REFERENCES:
patent: 4837297 (1989-06-01), Meyer et al.
patent: 5310860 (1994-05-01), Maj et al.
English Abstract of DE 2 147 420; Sep. 22, 1970.
English Abstract of JP 4 325159 Nov. 13, 1992.

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