Melt-fusible linear polyimide of 2,2-bis(3,4-dicarboxyphenyl)-he

Details Melt-fusible linear polyimide of 2,2-bis(3,4-dicarboxyphenyl)-he Melt-fusible linear polyimide of 2,2-bis(3,4-dicarboxyphenyl)-he

1971-05-17

1976-05-25

Lee, Lester L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 302, 260 308R, 260 326N, 260 78TF, C08G 7310

Patent

active

039593509

ABSTRACT:
Linear polyimides are provided of the following recurring structural unit: ##SPC1##
Wherein R is ##SPC2##
And R' is --O--, --S--, and --O--R"--O-- and R" is phenylene.

REFERENCES:
patent: 2324181 (1966-02-01), Olivier
patent: 3179634 (1965-04-01), Edwards
patent: 3356648 (1967-12-01), Rogers
patent: 3424718 (1969-01-01), Angelo
patent: 3649601 (1972-04-01), Critchley

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