C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 3/18 (2006.01) B27K 3/34 (2006.01) B27K 3/50 (2006.01) C04B 41/49 (2006.01) C08J 3/03 (2006.01)
Patent
CA 2249552
Aqueous emulsions contain the components (A) organosilicon compounds which are selected from (A1) C1-C20-hydrocarbon-C1-C6-alkoxysilanes and (A2) branched organopolysiloxanes containing C1-C6-alkoxy groups, (B) organosilicon compounds which are selected from (B1) C1-C6-alkoxysilanes containing aminoalkyl groups and (B2) branched organosiloxanes containing aminoalkyl groups and (C) an emulsifier. The aqueous emulsions are suitable for imparting water repellency to porous mineral building materials and building coatings and to wood.
Émulsions aqueuses renfermant des composés organosiliciés (A), choisis parmi (A1) des hydrocarbyl(C1-C20)alcoxy(C1-C6)silanes et des organopolysiloxanes (A2) ramifiés contenant des groupes alcoxy C1-C6, (B) des composés organosiliciés, choisis parmi des (B1) alcoxysilanes C1-C6 contenant des groupes aminoalkyle, et (B2) des organosiloxanes ramifiés contenant des groupes aminoalkyle, et (C) un émulsifiant. Les émulsions aqueuses permettent de rendre hydrofuges des matériaux minéraux poreux et des revêtements pour la construction, ainsi que le bois.
Hager Rudolf
Kreuzpointner Marianne
Mayer Hans
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Wacker-Chemie Gmbh
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