Silanes with hydrophilic groups, their synthesis and use as...

Details Silanes with hydrophilic groups, their synthesis and use as... Silanes with hydrophilic groups, their synthesis and use as...

C - Chemistry, Metallurgy

07

F

C07F 7/08 (2006.01) B01F 17/54 (2006.01)

Patent

CA 2129806

Silanes of the general formula (see Formula I) are prepared, wherein R1, R2 and R3 in the molecule are the same or different and represent aliphatic or aromatic hydrocarbon groups, R4 is a divalent hydrocarbon group with 4 to 12 carbon atoms and a lateral hydroxyl group, wherein the hydrocarbon group can be interrupted by an ether oxygen, R5 is a hydrophilic, ionic group. A method for synthesizing these compounds is described. The silanes greatly lower the surface tension of aqueous solutions, the surface tension being reduced to values of about 23 mN/m. The silanes are biologically degradable and have pronounced surfactant properties.

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