Polyoxazoline modified unsaturated polyesteramides

Details Polyoxazoline modified unsaturated polyesteramides Polyoxazoline modified unsaturated polyesteramides

1982-12-23

1984-11-27

Bleutge, John C.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525421, 525447, 525445, 528288, C08G 6944, C08L 7712

Patent

active

044852207

ABSTRACT:
A modified unsaturated polyester (polyesteramide) is the reaction product of a diacid or anhydride (such as maleic anhydride), a polyahl (such as an aliphatic glycol), and an effective amount of a poly[(alkionylimino)alkylene] (such as poly[(propionylimino)ethylene], otherwise known as poly(2-ethyl-2-oxazoline)) wherein at least one of the diacid or anhydride, and the polyahl, have addition polymerizable unsaturation. The modified polyesters of the invention have improved physical properties compared to similar polyesters prepared without the poly[(alkionylimino)alkylene].

REFERENCES:
patent: 3346527 (1967-10-01), Lagally
patent: 3438943 (1969-04-01), Miranda
patent: 3483145 (1969-12-01), Levy
patent: 3932358 (1976-01-01), de Cleur
patent: 4217429 (1980-08-01), Wagner
patent: 4320221 (1982-03-01), Hoffman

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