METHOD OF PREPARING DIPOSITED MODIFIED SILICA FILLER Russian patent published in 2001 - IPC

Abstract RU 2172330 C1

FIELD: type industry. SUBSTANCE: method comprises carbonizing sodium silicate solution with carbon divide, neutralizing the suspension with sulfuric acid, filtration, washing, diluting the resulting silica suspension to density of 1.07-1.08, with line steam at 95- 100 C, mixing with binder, e.g. liquid soap or latex, mixing with modifying organosilicon agent such as ethylhydroxyloxane oil, and spray drying. EFFECT: greater bulk power of product and improved quality characteristics thereof. 4 cl, 1 ex

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RU 2 172 330 C1

Authors

Druzhbin G.A.

Karapira N.I.

Kuznetsov I.O.

Chudnovtsev V.I.

Dates

2001-08-20—Published

2000-12-20—Filed