Imide-modified polyester resin and wire enamel containing the im

Details Imide-modified polyester resin and wire enamel containing the im Imide-modified polyester resin and wire enamel containing the im

1975-04-18

1976-08-17

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 326N, 260 334R, 26032626, 260830R, 260838, 260857E, 260858, C08G 7316

Patent

active

039753301

ABSTRACT:
An imide-ring containing polyester comprising the reaction product of
(A) (1) a dicarboxylic acid of the formula ##EQU1## wherein R.sub.1 represents a divalent organic group, R.sub.2 represents a trivalent organic group, and n.gtoreq.1, the dicarboxylic acid of the formula (I) comprising the reaction product of 1 mole of an imide compound having terminal amino groups of the formula (II) ##EQU2## wherein R.sub.1 has the same meaning as above, or of an imide precursor thereof, with 2 moles of a tricarboxylic acid anhydride of the formula (III) ##EQU3## wherein R.sub.2 has the same meaning as above, the imide compound of the formula (II) being prepared by reacting n moles of 1,2,3,4-butanetetracarboxylic acid (hereinafter referred to as BTC) with (n+1) moles of a diamine of the formula (IV)

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