Imide-ring containing polyester and wire enamel containing same

Details Imide-ring containing polyester and wire enamel containing same Imide-ring containing polyester and wire enamel containing same

1975-04-18

1977-04-19

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 18R, 260 334R, 260830R, 260857PE, 260838, 260858, C08G 7316

Patent

active

040187420

ABSTRACT:
A polyester having imide rings in the molecule comprising the reaction product of (1) a polyhydric alcohol component comprising an imide ring containing diol represented by the formula (I) ##STR1## wherein Ar.sub.1 represents a trivalent aromatic group; Ar.sub.2 represents a divalent aromatic group; and m and n each represents an integer of 1 to 6; with the diol comprising the reaction product of 2 moles of an aromatic tricarboxylic acid anhydride of the formula (II) ##STR2## wherein Ar.sub.1 has the same meaning as above, with 1 mole of a diamine of the formula (III)

REFERENCES:
patent: 2448767 (1948-09-01), Carlson
patent: 2594145 (1952-04-01), Flory
patent: 3555113 (1971-01-01), Sattler
patent: 3620996 (1971-11-01), Matsumura et al.

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