C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
31/156, 400/7214
C09D 1/00 (2006.01) B05D 7/24 (2006.01) C09D 5/00 (2006.01) C09D 183/04 (2006.01)
Patent
CA 2293790
An inorganic coating composition comprising as major components a photooxidizable silicone resin having photooxidizable groups and a photosemiconductive material. Examples of the photooxidizable groups include C3+ alkyls, cycloalkyls, aralkyls, aryls, alkenyls, halogenohydrocarbon groups, groups having a tertiary hydrogen atom (CH-), groups having a carbon- carbon double bond and a C-H bond in the .alpha.-position with respect to the double bond, and groups having a branching point. The hydrophilic inorganic coating film formed from the inorganic coating composition has high sensitivity to ultraviolet. Its surface rapidly becomes hydrophilic upon exposure to weak ultraviolet.
L'invention concerne une composition de revêtement inorganique, qui comprend comme principaux composants une résine de silicone photo-oxydable, renfermant des groupes photo-oxydables, et un matériau photo-semiconducteur. Les groupes photo-oxydables peuvent être par exemple des alkyles C¿3+?, des cycloalkyles, des aralkyles, des aryles, des alcényles, des hydrocarbures halogénés, des groupes renfermant un atome d'hydrogène tertiaire (?CH-), des groupes renfermant une double liaison carbone-carbone et une liaison C-H en position .alpha. par rapport à la double liaison, ou des groupes renfermant un point de branchement. Le film de revêtement inorganique hydrophile formé à partir de ladite composition de revêtement inorganique possède une grande sensibilité aux ultraviolets. Sa surface devient rapidement hydrophile après exposition à des ultraviolets faibles.
Ikenaga Junko
Inoue Minoru
Nakamoto Shoichi
Takahama Koichi
Kirby Eades Gale Baker
Matsushita Electric Works Ltd.
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