Novel end-capped polyimide oligomers

Details Novel end-capped polyimide oligomers Novel end-capped polyimide oligomers

1979-04-20

1981-03-10

Lee, Lester L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 304N, 260 322, 260 312N, 260 334R, 260 332R, 526262, 526259, 528125, 526285, 528128, 528170, 528172, 528185, 528187, 528226, 528229, 528322, 528351, 528352, 352353, 560 13, 560 18, 560 36, 560 45, 560 47, 560 48, 562427, 562430, 562433, 562460, 562466, 562473, 562490, 562491, 562492, 562495, 525426, C08G 7312

Patent

active

042553130

ABSTRACT:
The products of the invention are end-capped polyimide oligomers prepared from a dianhydride of an aromatic tetracarboxylic acid such as 3,3'4',4'-benzophenonetetracarboxylic acid, an aromatic diamine, and a 1-(aminoaryl)-3-hydroxy-3-methyl-1-butyne. 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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