Flexible diamine compound, and polyamide and polyimide prepared

Details Flexible diamine compound, and polyamide and polyimide prepared Flexible diamine compound, and polyamide and polyimide prepared

1997-05-14

1998-10-06

Hampton-Hightower, P.

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

Synthetic resins

From carboxylic acid or derivative thereof

528170, 528172, 528173, 528174, 528176, 528183, 528185, 528188, 528220, 528229, 528310, 528332, 528335, 528350, 528353, C08G 7310, C08G 6926

Patent

active

058177418

ABSTRACT:
A diamine which is useful in preparing a new flexible polyamide and polyimide with an aromatic dicarboxylic acid and a tetracarboxylic dianhydrides, respectively, has a general formula as follows: ##STR1## wherein R.sub.1 is a proton (--H) or methyl (--CH.sub.3) and n is an integer ranging from 1 to 4. These polyamide and polyimide exhibit good mechanical performance and processability.

REFERENCES:
patent: 4410684 (1983-10-01), Nelb et al.
patent: 5032667 (1991-07-01), Harris et al.
patent: 5037949 (1991-08-01), Mueller et al.

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