C - Chemistry – Metallurgy – 01 – G
Patent
C - Chemistry, Metallurgy
01
G
C01G 23/04 (2006.01) A61K 8/11 (2006.01) A61K 8/29 (2006.01) A61Q 17/04 (2006.01) C01G 23/00 (2006.01) C01G 23/047 (2006.01) C09C 1/00 (2006.01) C09C 1/36 (2006.01) G01F 1/66 (2006.01)
Patent
CA 2300811
The present invention relates to fine hollow powder with a titanium oxide shell, obtained by spray drying an exfoliated titania sol, and thin flaky titanium oxide powder obtained by pulverizing the fine hollow powder, and also to processes for producing the same. The present fine hollow powder and thin flaky titanium oxide powder have a distinguished dispersibility and are useful for additives to cosmetics, pigments, paints, etc., and the present fine hollow powder also has a distinguished flowability and is useful for seed particles for flow measurement.
L'invention concerne une poudre fine creuse, recouverte d'oxyde de titane, et préparée par pulvérisation d'un sol titanique floconneux. L'invention concerne également une poudre d'oxyde de titane fine et floconneuse, préparée par pulvérisation de la poudre fine creuse. Elle concerne encore un procédé de préparation de ces deux poudres, lesquelles possèdent une excellent pouvoir de dispersion et sont donc utiles, en tant qu'additifs, dans des préparations cosmétiques, des pigments et des peintures. En outre, la poudre fine creuse possède une excellente fluidité et elle est donc également utile en tant que particules graines destinées à la mesure de fluides.
Iida Masaki
Michiue Yuichi
Sasaki Takayoshi
Watanabe Mamoru
Fetherstonhaugh & Co.
Ishihara Sangyo Kaisha Ltd.
Japan As Represented By The Head Of National Institute For Resea Science & Technology Agency
National Institute For Materials Science
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