Durable hydrophilic polymer coatings

Details Durable hydrophilic polymer coatings Durable hydrophilic polymer coatings

1997-11-10

1999-12-14

Short, Patricia A.

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

Synthetic resins

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

525408, 524539, C08L 6702

Patent

active

060019352

ABSTRACT:
Polyoxypropylamines, polypropylene oxide polymers endcapped on one or both ends with carbamate groups, di- or tri-carboxylic acids, carboxylic acid halides, or esters or mixtures comprising one of the above with a hydrophilic polyester copolymer having repeating segments of ethylene terephthalate units containing 10-50% by weight of polyoxyethylene terephthalate units useful for imparting a durable hydrophilic coating to polyester, polypropylene, polyethylene, cotton, polyamide or polyaramid fabric or fiber are disclosed.

REFERENCES:
patent: 3932356 (1976-01-01), Takagi
patent: 4243580 (1981-01-01), Gale
patent: 4806598 (1989-02-01), Morman
patent: 4857623 (1989-08-01), Emmerling et al.
V. M. Nace, Contrasts in the Surface Activity of Polyoxypropylene and Polyoxybutylene-Based Block Copolymer Surfactants, J. Am. Oil Chem. Soc., vol. 73, No. 1, pp. 1-8, 1996.

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