Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1994-06-22
1995-10-17
Davis, Jenna L.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
106 2, 424 63, 424 69, 424401, A61K 914
Patent
active
054589762
ABSTRACT:
A water and oil repellant vapor deposition coating layer is produced by reaction-bonding a water and oil repellant agent to an active site, either an acid or base site, on the surface of an inorganic base powder. The water and oil repellant agent is a fluorosilane, fluorosilazane or fluorinated hydrocarbon. The water and oil repellant coated powder is produced by coating the activated inorganic powder with either a water and oil repellant agent or an oily agent, or both, a reactive auxiliary agent and a primer. The first baked coating layer is formed on the surface of the base powder by heat treatment and a second baked coating layer may be formed on the first baked coating layer by heat treatment, in which the second baked coating layer is formed with the reactive auxiliary agent and either the water and oil repellant agent or the oily agent, or both, to provide a multi-layer structure on the powder. The baked coating layer is reaction-bonded to an activated inorganic base powder and has a cross-linked network structure.
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Horino Masaakira
Ito Nami
Davis Jenna L.
Matsushita Electric - Industrial Co., Ltd.
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