Method of manufacturing chemically adsorbed film

Details Method of manufacturing chemically adsorbed film Method of manufacturing chemically adsorbed film

1992-02-04

1993-12-14

McFarlane, Anthony

Coating processes

Immersion or partial immersion

427435, 4274431, 427344, 427399, 427400, 427337, B05D 118, B05D 500, B05D 304

Patent

active

052700801

ABSTRACT:
The invention concerns a method of manufacturing an organic coating film for forming a transparent super-thin film on the surface of glass, plastics, metals, etc.
Using a surface active material containing a halosilane or alkoxysilane group, an organic coating film is formed on the substrate with the surface active material chemically bonded to the substrate surface in a dry reaction atmosphere. A transparent organic coating film is thus formed with a uniform thickness at the namometer level.
A dehydrochlorination reaction is brought about on the surface of glass, plastics, metals, etc. using, for example, a chlorosilane- or chlorotitanium-based surface active material in a dry nitrogen or like atmosphere (with a relative humidity of, for example, 35% or below), followed by removal of excess surface active material, thus forming an organic coating film consisting of a monomolecular layer. This monomolecular layer is chemically bonded directly to the substrate and has high peel-off strength.

REFERENCES:
patent: 4539061 (1985-09-01), Sagiv
patent: 4863794 (1989-09-01), Fujii
World Patents Index Latest, Derwent Publications Ltd., London, GB; AN 86-065417 & JP-A-61 016 910 (Hitachi Cable KK), Jan. 24, 1986 (abstract), pages unavailable.

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