Novel polyetherimides

Details Novel polyetherimides Novel polyetherimides

1975-05-19

1976-09-28

Lee, Lester L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 37N, 260 465E, 260 49, 260 50, 428435, 428443, 428458, 428474, C08G 7310

Patent

active

039830934

ABSTRACT:
This invention is concerned with a new class of polyetherimides. More particularly, the invention is concerned with polyetherimides derived from the reaction of an organic diamine, a bisphenol dianhydride and a dianhydride selected from the class consisting of pyromellitic dianhydride, a sulfur dianhydride, and a benzophenone dianhydride. The polyetherimide compositions have improved solvent resistance which enhances their value in a wide variety of uses including films, molding compounds, coatings, etc.

REFERENCES:
patent: 3699075 (1972-10-01), Lubowitz
patent: 3803085 (1974-04-01), Takekoshi et al.
patent: 3833546 (1974-09-01), Takekoshi et al.
patent: 3847867 (1974-11-01), Heath et al.
patent: 3850885 (1974-11-01), Takekoshi et al.
patent: 3875116 (1975-04-01), Heath et al.

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