초록 ▼

A non-laminar silicon oxide powder manufactured by a process comprising, a dissolution step wherein a concentration of 0.1-5.0M of a silicate which is in the range of 02/Y2O<2 (Y: alkali metal atom) is dissolved in the presence of a cationic surfactant and the pH is 11 or more, a condensation step w

A non-laminar silicon oxide powder manufactured by a process comprising, a dissolution step wherein a concentration of 0.1-5.0M of a silicate which is in the range of 02/Y2O<2 (Y: alkali metal atom) is dissolved in the presence of a cationic surfactant and the pH is 11 or more, a condensation step wherein the pH is adjusted to 10.5 or less and a rod-like micelle is formed with said cationic surfactant and a silicate is condensed on said rod-like micelle, and a removal step wherein said cationic surfactant is removed from the micelle state condensation which has an outer shell made of the silicate by said condensation. The silicon oxide powder is useful as a carrier for cosmetics, pharmaceutical drugs and perfumes.

대표청구항 ▼

A non-laminar silicon oxide powder manufactured by a process comprising, a dissolution step wherein a concentration of 0.1-5.0M of a silicate which is in the range of 02/Y2O<2 (Y: alkali metal atom) is dissolved in the presence of a cationic surfactant and the pH is 11 or more, a condensation step w

A non-laminar silicon oxide powder manufactured by a process comprising, a dissolution step wherein a concentration of 0.1-5.0M of a silicate which is in the range of 02/Y2O<2 (Y: alkali metal atom) is dissolved in the presence of a cationic surfactant and the pH is 11 or more, a condensation step wherein the pH is adjusted to 10.5 or less and a rod-like micelle is formed with said cationic surfactant and a silicate is condensed on said rod-like micelle, and a removal step wherein said cationic surfactant is removed from the micelle state condensation which has an outer shell made of the silicate by said condensation. The silicon oxide powder is useful as a carrier for cosmetics, pharmaceutical drugs and perfumes. igned parallel with said central axis forming a straight section and said at least one wall then tapering outward away from said central axis to form a diverging section, said venturi having a reagent injection means positioned in said converging section to introduce a reagent generally cocurrent to said cooled gas stream and to distribute said reagent uniformly in said cooled gas stream thereby producing a first treated gas stream; and c) a reaction vessel having a filter cake management system, said reaction vessel comprised of a gas flow inlet at the bottom thereof and being in communication with and constructed and arranged to receive said first treated gas stream from said reagent injection venturi and having at least one wall and having a gas