Polyimide oligomers

Details Polyimide oligomers Polyimide oligomers

1979-04-27

1981-02-17

Lee, Lester L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

560 13, 560 18, 560 36, 560 45, 560 47, 560 48, 525426, 260 304N, 260 328N, 260 332R, 260 334R, 260326C, 526259, 526262, 526263, 526285, 528125, 528126, 528128, 528170, 528172, 528185, 528187, 528226, 528229, 528322, 528351, 528352, 528353, C08G 7312

Patent

active

042514185

ABSTRACT:
The products of the invention are acetylene end-capped polyimide oligomers prepared from a dianhydride of an aromatic tetracarboxylic such as 3,3', 4,4'-benzophenonetetracarboxylic acid, an aromatic diamine, and a propargyl ester of an amino-substituted aromatic acid such as aminobenzoic acid. The structure of the polyimide oligomers is shown in FIG. 3.

REFERENCES:
patent: 3845018 (1974-10-01), Bilow et al.
patent: 3864309 (1975-02-01), Bilow et al.
patent: 3879349 (1975-07-01), Bilow et al.
patent: 3998786 (1976-12-01), D'Alelio
patent: 4058505 (1977-11-01), D'Alelio
patent: 4098767 (1978-07-01), Bilow
patent: 4100138 (1978-07-01), Bilow et al.

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