Novel partially acetylene end-capped polyimide oligomers

Details Novel partially acetylene end-capped polyimide oligomers Novel partially acetylene end-capped polyimide oligomers

1979-05-03

1981-11-10

Schain, Howard E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 291R, 260 304N, 260 312N, 260 328N, 260 332R, 260 334R, 428435, 528125, 528126, 528128, 528170, 528172, 528185, 528187, 528226, 528229, 528322, 528351, 528352, 528353, 526259, 526262, 526263, 526285, 525434, 525435, C08G 7310, C08G 7312

Patent

active

042997500

ABSTRACT:
The products of the invention are partial acetylene end-capped oligomers which have the structure as shown in FIG. 3 in which terminal R" group is derived from a mixture consisting of about 14-40 mol % of an aromatic monoamine and the balance an acetylene substituted aromatic monoamine. The products are prepared from either of two (2) precursors. The first precursor has the structure shown in FIG. 2. The second precursor is a complex amine salt having the structure shown in FIG. 5.

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.
patent: 4166168 (1979-08-01), D'Alelio
patent: 4168367 (1979-09-01), D'Alelio

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