Aqueous silane systems based on bis(trialkoxysilylalkyl)amines

US8298679B2 · kind B2 · utility

Assignee

• EVONIK DEGUSSA GMBH · DE

Inventors

• Philipp Albert · Bad Kötzting, DE
• Eckhard Just · Rheinfelden (Baden), DE
• Christian Wassmer · Eschborn, DE
• Burkhard Standke · Soest, DE

Key dates

• Filing date: Jul 2, 2008
• Grant date: Oct 30, 2012
• Expiry date: Aug 21, 2029

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31667
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The invention relates to an aqueous composition of bis-amino-functional silicon compounds which is essentially free of organic solvents and releases essentially no further alcohol in the course of crosslinking, and to processes for preparing it and to the use thereof, for example for hydrophobization of metal or glass surfaces.