Polyetherimide copolymers

Details Polyetherimide copolymers Polyetherimide copolymers

1990-11-15

1993-02-23

Kight, III, John

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525425, 528353, 528350, C08F28304, C08L 7700

Patent

active

051891158

ABSTRACT:
Novel polyetherimide copolymers comprising the reaction product of 2,2-bis(3',4'-dicarboxyphenyl)propane dianhydride, an aromatic bis(ether anhydride), and a diamine are described. The polyetherimide copolymers have improved thermal properties, are soluble in conventional solvents, and are compatible with other engineering resins.

REFERENCES:
patent: 4888407 (1989-12-01), Yasuhisa et al.
patent: 4987218 (1991-01-01), Malinge et al.
patent: 5068307 (1991-11-01), Hara et al.

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