Polyetherimide copolymers

Details Polyetherimide copolymers Polyetherimide copolymers

1984-10-26

1985-10-29

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528125, 528126, 528128, 528172, 528208, 528352, 528353, C08G 7310

Patent

active

045501564

ABSTRACT:
This invention is concerned with a new class of polyetherimide copolymers. More particularly, the invention is concerned with polyetherimide copolymers containing polyetherimide repeating units and repeating polyimide units. The polyetherimide compositions have improved solvent resistance and good heat properties.

REFERENCES:
patent: 3847867 (1974-11-01), Heath et al.
patent: 3847869 (1974-11-01), Williams
patent: 3850885 (1974-11-01), Takekoshi et al.
patent: 3852242 (1974-12-01), White
patent: 3855178 (1974-12-01), White et al.
patent: 3972902 (1976-08-01), Heath et al.
patent: 3983093 (1976-09-01), Williams et al.
patent: 4417044 (1983-11-01), Parekh
patent: 4429102 (1984-01-01), Evans et al.

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