Water and oil repelling film having surface irregularities and m

Details Water and oil repelling film having surface irregularities and m Water and oil repelling film having surface irregularities and m

1992-01-23

1994-06-28

Watkins, III, William

Stock material or miscellaneous articles

Structurally defined web or sheet

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

428421, 428422, 428447, 428446, 428143, 428144, 428145, 428149, 428325, 428323, 428331, 428336, 428450, 428451, 428452, 428454, 428161, B32B 500, B32B 704

Patent

active

053245660

ABSTRACT:
A water- and oil-repelling adsorbing film formed on a material having active hydrogen such as hydroxyl group, imino group and amino group at the surface. This film is a chemically adsorbed film having surface irregularities exceeding 10 nanometers. It is directly or indirectly covalently bonded to the material surface and includes a monomolecular film or a polymer film with the molecules thereof containing a fluorocarbon group and a --Si-- bond. The surface irregularities which exceed the molecular level are at least either those formed on the material surface itself, those due to particles formed on the substrate surface or those due to particles present in the chemically adsorbed film.

REFERENCES:
patent: 4539061 (1985-09-01), Sagiv
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patent: 4842917 (1989-06-01), Ohno et al.
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patent: 4992300 (1991-02-01), Ogawa et al.
patent: 5011727 (1991-03-01), Kido et al.
patent: 5011963 (1991-04-01), Ogawa et al.
patent: 5143750 (1992-09-01), Yamagata et al.
Ogawa, K. et al; Studies of Molecular Alignments of Monolayers Deposited by a Chemical Adsorption Technique; 1991, 7, pp. 1473-1477, American Chemical Society.
World Patents Index Latest, Derwent Publications Ltd., London, GB; AN 86-065417 & JP-A-61 016 910 (Hitachi Cable KK), Jan. 24, 1986 (abstract).

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