Hydrophobized cement-containing compositions

US7931747B2 · kind B2 · utility

Assignee

• EVONIK GOLDSCHMIDT GMBH · DE

Inventors

• Bernd Weyershausen · Essen, DE
• Stefan Stadtmueller · Wetter (Ruhr), DE
• Markus Roos · Essen, DE
• Frank Koenig · Aalen, DE

Key dates

• Filing date: Dec 18, 2009
• Grant date: Apr 26, 2011
• Expiry date: Dec 18, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B2111/542
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The present invention relates to cement-containing compositions which are characterized in that they have a proportion of organosilicon compounds of greater than 0.15% by weight, based on the proportion of cement, the organosilicon compounds being based on at least one organosilicon compound selected from the group consisting of the alkoxysilanes and at least one selected from the group consisting of the alkoxysiloxanes, to a process for the preparation thereof and to the use thereof.