Title:
AQUEOUS DISPERSIONS OF HYDROPHOBIC SILICIC ACIDS
Document Type and Number:
WIPO Patent Application WO/2010/020582
Kind Code:
A3
Abstract:
Method for the production of aqueous dispersions of hydrophobic silicic acids wherein the hydrophobic silicic acids are dispersed in an aqueous phase at a pH-value of 0 to 6 and in a subsequent step, the pH-value of the silicic acid dispersion is adjusted to a pH-value of 7-12 through the addition of a base.
Inventors:
GOTTSCHALK-GAUDIG TORSTEN (DE)
Application Number:
PCT/EP2009/060497
Publication Date:
August 26, 2010
Filing Date:
August 13, 2009
Export Citation:
Assignee:
WACKER CHEMIE AG (DE)
GOTTSCHALK-GAUDIG TORSTEN (DE)
GOTTSCHALK-GAUDIG TORSTEN (DE)
International Classes:
C01B33/141; C01B33/193; C09C1/30
Foreign References:
| EP1114794A1 | 2001-07-11 | |||
| DE102005012409A1 | 2006-09-21 | |||
| EP1801073A1 | 2007-06-27 |
Other References:
G. COUARRAZE ET.AL.: "Determination of molar mass polydispersity index from dynamic rheological measurements", RHEOLOGICA ACTA, vol. 25, 1986, pages 494 - 500, XP002557797
Attorney, Agent or Firm:
GÖSSMANN, Christoph et al. (Hanns-Seidel-Platz 4, München, DE)
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