Aqueous compounds containing alkoxysilane and/or silanol groups

Details Aqueous compounds containing alkoxysilane and/or silanol groups Aqueous compounds containing alkoxysilane and/or silanol groups

C - Chemistry, Metallurgy

08

G

C08G 18/80 (2006.01) C07F 7/10 (2006.01) C08G 18/28 (2006.01) C08G 18/79 (2006.01) C08G 18/83 (2006.01) C09D 175/12 (2006.01) C09J 175/12 (2006.01) C09K 3/10 (2006.01)

Patent

CA 2292001

The present invention relates to aqueous solutions or dispersions of compounds, which contain 0.5 to 6% by weight of alkoxysilane and/or silanol groups (calculated as Si, MW 28), based on the weight of the compounds containing alkoxysilane groups, and are substantially free from isocyanate groups and chemically incorporated hydrophilic groups, wherein the alkoxysilane groups are initially incorporated by the reaction of a polyisocyanate with an amino compound corresponding to formula I (see above formula) wherein X represents identical or different organic groups which are inert to isocyanate groups below 100°C, provided that at least one of these groups is an alkoxy group, Y represents a linear or branched alkylene group having 1 to 8 carbon atoms and R1 represents an organic group which is inert to isocyanate groups at a temperature of 100°C or less. The present invention also relates to coating, adhesive or sealing compositions containing these aqueous compounds as the binder.

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