Method of forming a hydrophobic surface by exposing a colloidal

Details Method of forming a hydrophobic surface by exposing a colloidal Method of forming a hydrophobic surface by exposing a colloidal

1975-09-26

1976-06-22

Kimlin, Edward C.

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

96 362, 96 363, 96 88, 101465, 427 54, 427145, 427301, 427322, 427437, G03F 702

Patent

active

039649067

ABSTRACT:
A method of forming a hydrophobic surface is disclosed. The method comprises coating a substrate surface with a stable aqueous colloidal solution, formed by a controlled hydrolysis and nucleation reaction, comprising insoluble hydrous oxide particles of an element selected from Be, In, Cr, Fe, Co, Ni, Tl, Cu, Zn, Sn and mixtures thereof. The coated surface is then exposed to a source of ultraviolet radiation having a wavelength ranging from 1800A to 3300A to render exposed surface regions hydrophobic.

REFERENCES:
patent: 3437507 (1969-04-01), Jensen
patent: 3562005 (1971-02-01), DeAngelo et al.
patent: 3607352 (1971-09-01), Fadgen
patent: 3635758 (1972-01-01), Schneble
patent: 3793072 (1974-02-01), Lando
patent: 3873357 (1975-03-01), Lando
patent: 3873359 (1975-03-01), Lando
patent: 3873360 (1975-03-01), Lando

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