Dimensionally stable ether-containing polyimide copolymers

Details Dimensionally stable ether-containing polyimide copolymers Dimensionally stable ether-containing polyimide copolymers

1997-02-28

1999-03-30

Hampton-Hightower, P.

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

Synthetic resins

From carboxylic acid or derivative thereof

528125, 528128, 528172, 528173, 528179, 528183, 528185, 528188, 528220, 528229, 528350, 4284111, 4284735, 525420, C08G 7310, C08G 6926

Patent

active

058891390

ABSTRACT:
Novel polyimide copolymers containing ether linkages were prepared by the reaction of an equimolar amount of dianhydride and a combination of diamines. The polyimide copolymers described herein possess the unique features of low moisture uptake, dimensional stability, good mechanical properties, and moderate glass transition temperatures. These materials have potential application as encapsulants and interlayer dielectrics.

REFERENCES:
patent: 5166292 (1992-11-01), Pottiger et al.
patent: 5177176 (1993-01-01), Auman
patent: 5202412 (1993-04-01), Auman
patent: 5210174 (1993-05-01), Tamai et al.
patent: 5212283 (1993-05-01), St. Clair

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