Powder coated with titania film and method for production...

Details Powder coated with titania film and method for production... Powder coated with titania film and method for production...

2007-01-30

2007-01-30

Le, H. Thi (Department: 1773)

Coating processes

Particles, flakes, or granules coated or encapsulated

Inorganic base

C427S218000, C427S299000

Reexamination Certificate

active

10491370

ABSTRACT:
A titania film-coated powder comprising a base particle having provided thereon at least one titania film, wherein the base particle is coated with the titania film by suspending the base particle in a buffer solution having a pH of from 7.0 to 12.0 to obtain a suspension, and adding a hydrogen peroxide-ammonia mixture solution containing peroxotitanic acid to the suspension to thereby regulate a titania deposition reaction induced by decomposition of the peroxotitanic acid in the suspension.

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