Polyester polymers and aqueous dispersions thereof

Details Polyester polymers and aqueous dispersions thereof Polyester polymers and aqueous dispersions thereof

1989-11-06

1991-06-04

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

528274, 528285, 528289, 528295, 528296, 528300, 528301, 528303, 528306, 528308, 525437, 525444, 525445, 525921, 524602, 524603, 524604, 524608, 524609, 522 6, 522 86, 522100, 522111, C08G 6320

Patent

active

050215442

ABSTRACT:
A water dispersible polyester polymer is described having one or more polyester chains and one or more non-ionic polyoxyalkylene chains in which at least 40% of the repeating oxyalkylene units are oxyethylene units. The polyester polymer has a structure in which one or more of the polyoxyalkylene chains are pendent to at least one of the polyester chains. The poloxyalkylene chains provide the polyester with non-ionic stabilization enabling the polyester to form aqueous dispersions which possess good colloid stability.

REFERENCES:
patent: 3899611 (1975-08-01), Hall
patent: 4097677 (1978-06-01), Emmons et al.
patent: 4287039 (1981-09-01), Buethe et al.
patent: 4532296 (1985-07-01), Gardner

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