Hydrophilic surfaces and process for making the same

Details Hydrophilic surfaces and process for making the same Hydrophilic surfaces and process for making the same

1982-01-25

1983-11-01

Kight, III, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

525 5421, 525 5423, 264 48, 427244, 427246, 210490, C08L 128, C08F25300, B05D 500

Patent

active

044130740

ABSTRACT:
A hydrophilic surface can be provided on a hydrophobic polymer surface by contacting the hydrophobic surface with a solution of a hydroxyalkyl cellulose and a perfluorocarbon surfactant in water or a mixture of water and one or more aliphatic alcohols so as to form a layer of the solution on the hydrophobic surface and then heating the surface coated with the layer so as to remove the solvent, so as to form a bond between the cellulose and the hydrophobic surface. This results in the formation of a hydrophilic surface coating a layer on the hydrophobic surface. Hydrophilic surfaces as are created in this manner are primarily intended to be utilized on polysulfone surfaces in semipermeable membranes such as are utilized in micro- and ultra-filtration.

REFERENCES:
patent: 4199445 (1980-04-01), Chiang et al.
patent: 4203848 (1980-05-01), Grandine
patent: 4279846 (1981-07-01), Ishii et al.
patent: 4302334 (1981-11-01), Jakabhazy et al.
patent: 4307135 (1981-12-01), Fox
"Membrane Filter Products and Services Available to Original Equipment Manufactures", Gelman Sciences, OEM Products, Ann Arbor, Mich.

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