C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
117/185, 400/531
C08L 83/08 (2006.01) C04B 41/48 (2006.01) C04B 41/49 (2006.01) C04B 41/64 (2006.01) C08K 5/06 (2006.01) C08K 5/54 (2006.01)
Patent
CA 1257731
Abstract of the Disclosure A siloxane treating composition comprises (1) a mixture and/or a reaction product of (A) a polydiorganosiloxane having at least one silicon-bonded -OX group, X being H, alkyl or alkoxyalkyl and at least one silicon-bonded aminoalkyl or poly- aminoalkyl acid salt group, and (B) a silicon compound having more than 2 silicon-bonded groups which are reactive with -OX of (A), and (2) a water-soluble solvent for (A) which comprises one or both glycol ethers of the formula C4H9-O-(CH2-CH2-O)nH where n is 1 or 2. These compositions have improved penetration ability and stability, especially when used as aqueous composi- tion for rendering substrates, such as masonry, hydrophobic. Also claimed is a process for making such compositions and a process for applying them to substrates.
497456
Dow Corning Limited
Gowling Lafleur Henderson Llp
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