Method of making foamed copolyimides and product obtained theref

Details Method of making foamed copolyimides and product obtained theref Method of making foamed copolyimides and product obtained theref

1974-11-11

1976-06-29

Foelak, Morton

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 334R, 260 47CP, 260 65, 260 78TF, C08J 902

Patent

active

039666522

ABSTRACT:
Copolyimide foams made from lower alkyl esters of tetracarboxylic acids and two or more diamines. Precursors for such copolyimides. Processes for making the precursors and for converting them to copolyimide foams.

REFERENCES:
patent: 3483144 (1969-12-01), Lavin et al.
patent: 3705118 (1972-12-01), Abolafia et al.
patent: 3726834 (1973-04-01), Acle, Jr.
patent: 3793281 (1974-02-01), Acle, Jr.

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