Crosslinked polyimides prepared from N-(3-ethynylphenyl)maleimid

Details Crosslinked polyimides prepared from N-(3-ethynylphenyl)maleimid Crosslinked polyimides prepared from N-(3-ethynylphenyl)maleimid

1991-12-03

1993-02-23

Anderson, Harold D.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526285, 528322, C08F22240

Patent

active

051891271

ABSTRACT:
The compound N-(3-ethynylphenyl)maleimide (NEPMI) was used to prepare thermally stable, glassy polyimides which did not exhibit glass transition temperatures below 500.degree. C. NEPMI was blended with the maleimide of methylene dianiline (BMI) and heated to form the polyimide. NEPMI was also mixed with Thermid 600.RTM., a commercially available bisethynyl oligomeric material, and heated to form a thermally stable, glassy polyimide. Lastly, NEPMI was blended with both BMI and Thermid 600.RTM. to form thermally stable, glassy polyimides.

REFERENCES:
patent: 4861882 (1989-08-01), Hergenrother et al.
patent: 4889912 (1989-12-01), Hergenrother et al.
patent: 4937356 (1990-06-01), Hergenrother et al.

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