Polyetherimide esters exhibiting improved tensile elongation

Details Polyetherimide esters exhibiting improved tensile elongation Polyetherimide esters exhibiting improved tensile elongation

1986-09-30

1987-12-08

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

528289, 528291, 528292, 528296, 528302, 528303, C08G 6344, C08G 6944

Patent

active

047119489

ABSTRACT:
Polyetherimide esters exhibiting improved tensile elongation comprised of the reaction products of (i) a diol mixture consisting essentially of butanediol and less than 70 mole percent of butenediol; (ii) at least one dicarboxylic acid or an ester forming reactive derivative thereof, and (iii) either at least one poly(oxy alkylene)diamine and at least one tricarboxylic acid or its derivative, or at least one polyoxyalkylene diimide diacid.
The instant polymers are suitable for extrusion and molding applications.

REFERENCES:
patent: 4121266 (1978-10-01), Kovacs et al.
patent: 4429072 (1984-01-01), Reiter et al.
patent: 4544734 (1985-10-01), McCready
patent: 4556705 (1985-12-01), McCready
patent: 4605728 (1986-08-01), Tung
patent: 4661582 (1987-04-01), McCready

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