Acetylene bis-phthalic compounds and polyimides made therefrom

Details Acetylene bis-phthalic compounds and polyimides made therefrom Acetylene bis-phthalic compounds and polyimides made therefrom

1989-07-31

1990-11-27

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549241, C07D70948, C07D30794

Patent

active

049737074

ABSTRACT:
Polyimides made by reacting 1,2-acetylene-4,4'-di(phthalic anhydride) with an aromatic diamine are useful in high temperature applications that require solvent resistance. Applications include components of combustion engines.

REFERENCES:
patent: 2712543 (1955-07-01), Gresham et al.
patent: 3275651 (1966-09-01), Ellis et al.
patent: 4054577 (1977-10-01), Kelles et al.
patent: 4609741 (1986-09-01), Darms et al.

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