Poly(amide-ether-imide)s

Details Poly(amide-ether-imide)s Poly(amide-ether-imide)s

1993-12-03

1995-05-09

Acquah, Samuel A.

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

Synthetic resins

From carboxylic acid or derivative thereof

528 26, 528170, 528171, 528172, 528173, 528174, 528289, 528335, 528340, 528350, 528353, C08G 7310

Patent

active

054140706

ABSTRACT:
Disclosed is a poly(amide-ether-imide) and the preparation of the same. An ether chain-containing aromatic diamine is subject to thermal condensation with trimellitic anhydride (TMA) in a polar solvent to obtain diimide dicarboxylic acid, followed by polycondensing the diimide dicarboxlic acid with diamine to form the poly(amide-ether-imide). The poly(amide-ether-imide) of the present invention has superior strength, heat resistance, and processability. The preparation of the present invention is simple and economic.

REFERENCES:
patent: 3461136 (1969-08-01), Pruckmayr et al.
patent: 4118392 (1979-03-01), Schmidt et al.
patent: 4145351 (1979-10-01), Salle et al.

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