Polyamides prepared from 2-(3-aminophenyl)-2-(4-aminophenyl) hex

Details Polyamides prepared from 2-(3-aminophenyl)-2-(4-aminophenyl) hex Polyamides prepared from 2-(3-aminophenyl)-2-(4-aminophenyl) hex

1988-09-30

1990-04-03

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

524606, 528 26, 528 38, 528183, 528220, 528337, 528338, 528339, 528340, 528341, 528343, 528344, 528346, 528347, 528349, C08G 6926, C08G 6932

Patent

active

049141805

ABSTRACT:
Polyamides having improved solubility and processing characteristics are provided having incorporated into the polymeric chain a novel aromatic diamine compound, 2-(3-aminophenyl)-2-(4-aminophenyl) hexafluoropropane (3-4'-6F Diamine). The polyamides are prepared by reacting the 3,4'-6F Diamine with an aliphatic or aromatic di-acid or acid halide. It has been found that the polyamides of this invention have improved solubility characteristics, low dielectric constants and improved thermal flow properties as a consequence of the meta/para positioning of the amino groups on the daimine, which renders these polymers more readily melt spinnable for the production of fibers. The polymers may also be compression molded and fabricated into composites at moderate temperatures and pressures.

REFERENCES:
patent: 3328352 (1967-06-01), Kwolek
patent: 3356648 (1967-12-01), Rogers
patent: 3792148 (1974-02-01), Reske
patent: 4075172 (1978-02-01), Ozawa
patent: 4111906 (1978-09-01), Jones
patent: 4592925 (1986-06-01), DuPont

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