Substrate coated with super-hydrophobic layers

Details Substrate coated with super-hydrophobic layers Substrate coated with super-hydrophobic layers

1974-01-04

1976-01-06

Willis, Jr., P. E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

427322, 427385, 427386, 427387, 428159, 428331, 244134, C08J 704, C08J 942, D06N 704

Patent

active

039314286

ABSTRACT:
The technique for forming on a substrate an abrasion-resistant layer having super-hydrophobic properties. Applied to the face of the substrate which has an inherently hydrophobic micro-pile formation are hydrophobic fumed silicon dioxide particles dispersed in a hydrophobic solvent. Dissolved in the solvent is a resinous binder in a small but effective amount which, by weight, is substantially less than one half the amount of the particles in the dispersion. Upon volatilization of the solvent, the resultant layer is composed primarily of fumed silicon dioxide particles strongly bonded to the face of the substrate.

REFERENCES:
patent: 2342979 (1944-02-01), Spicer
patent: 2471224 (1949-05-01), Loughborough
patent: 2567804 (1951-09-01), Davies
patent: 3288983 (1966-11-01), Lear
patent: 3825371 (1974-07-01), Roder et al.

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