Poly(amide-amide acid), polyamide acid, poly(esteramide acid), p

Details Poly(amide-amide acid), polyamide acid, poly(esteramide acid), p Poly(amide-amide acid), polyamide acid, poly(esteramide acid), p

1984-06-01

1987-07-21

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

525474, 528 26, 528 38, 528125, 528126, 528128, 528172, 528185, 528188, 528288, 528289, 528350, 528352, C08G 7310

Patent

active

046819282

ABSTRACT:
Aromatic or aliphatic dianhydrides and/or acid anhydrides are reacted with certain aromatic diamines alone or in combination with other diamines to produce polyimides, polyamide acids, poly(amide-imides), poly(amide-amide acids), poly(esterimides) or poly(esteramide acids). These polymers are thermoplastic in nature and have improved processing characteristics and thermal stability. The polymers may be prepared by either melt or solution polymerization techniques.

REFERENCES:
patent: 4060515 (1977-11-01), D'Alelio
patent: 4111906 (1978-09-01), Jones et al.
patent: 4161492 (1979-07-01), Weissel
patent: 4278786 (1981-07-01), Nanaumi et al.
patent: 4405770 (1983-09-01), Schoenberg et al.
patent: 4413117 (1983-11-01), Reiter et al.
patent: 4444979 (1984-04-01), St. Clair et al.
patent: 4477648 (1984-10-01), Jones et al.
patent: 4485140 (1984-11-01), Gannett et al.
patent: 4535101 (1985-08-01), Lee et al.

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