Fluorine-containing polyimides and precursors thereof

Details Fluorine-containing polyimides and precursors thereof Fluorine-containing polyimides and precursors thereof

1993-09-01

1995-03-28

Raymond, Richard L.

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

Organic compounds

Carboxylic acid esters

564393, 564414, 564442, C07C21784, C07C27128

Patent

active

054018781

ABSTRACT:
A fluorine-containing polyimide having a low dielectric constant, low water absorption and excellent heat resistance and moisture resistance and a precursor thereof such as a fluorine-containing polyamide-acid, can be prepared by reacting an acid anhydride with an aromatic diamine having perfluoroalkyl group.

REFERENCES:
patent: 4845294 (1989-07-01), Konrad et al.
McOmie, Protective Groups in Organic Chemistry, 1973, Plenum Press, New York, pp. 56-59.

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