Essentially linear polymer having a plurality of amide, imide an

Details Essentially linear polymer having a plurality of amide, imide an Essentially linear polymer having a plurality of amide, imide an

1985-03-18

1986-09-09

Phynes, Lucille M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528296, 528303, 528339, 428174, 428379, C08G 6944, C08G 7316

Patent

active

046110500

ABSTRACT:
An essentially linear resin having a plurality of amide, imide and ester groups therein comprising the condensation product of at least one polycarboxylic acid five member ring-forming reactant, at least one ethylenically unsaturated polycarboxylic acid five or six member ring lactam-forming reactant, at least one polyfunctional hydroxy compound, at least one difunctional amino five or six member ring forming reactant, at least one polycarboxylic acid reactant having no more than two carboxylic acid ester forming radicals, and at least one polycarboxylic acid reactant having two or more carboxylic acid ester forming radicals with at least two of the radicals in the 1,2 position relative to each other. The method of forming a solution of a prepolymer having a plurality of amide, imide and ester groups therein in cresylic acid or glycol ether solvents and reacting the same with at least one ethylenically unsaturated polycarboxylic acid five or six member ring forming reactant at elevated temperatures.

REFERENCES:
patent: 3793250 (1974-02-01), Schmidt et al.
patent: 4127553 (1978-11-01), Osada et al.
patent: 4141886 (1979-02-01), Sollner et al.
patent: 4145334 (1979-03-01), Schmidt et al.
patent: 4195159 (1980-03-01), Kwiecinski
patent: 4390686 (1983-06-01), Janssen et al.
patent: 4496715 (1985-01-01), Sattler

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