Water soluble ammonium siloxane compositions and their use...

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 83/08 (2006.01) C04B 41/49 (2006.01) C04B 41/64 (2006.01) D06M 15/643 (2006.01)

Patent

CA 2218276

The present invention relates to a water soluble ammonium siloxane composition comprising (A) an aminosiloxane solution comprising a mixture of (i) a triorganosilyl-endblocked aminofunctional siloxane, (ii) an aminofunctional siloxane which it triorganosiloxy-endblocked at one end and hydroxy-endblocked at the other end, and (iii) a hydroxy-endblocked aminofunctional siloxane, (B) a cyclic aminofunctional siloxane, and (C) a polydimethyl-cyclosiloxane where the aminofunctional group is selected from Image , Image Image , Image , where R3 is a divalent hydrocarbon radical, R4 is a divalent hydrocarbon radical, R5 is hydrogen, alkyl, aryl or arylalkyl, R6 is a -C(O)R7 group where R7 is a monovalent hydrocarbon group or aryl and A- is a halide anion, carboxylate anion or inorganic oxoanion. This invention further relates to a method of making the water soluble ammonium siloxane composition and to a method of treating a substrate with the water soluble ammonium siloxane composition.

L'invention porte sur une composition de siloxane d'ammonium hydrosoluble constitué (A) d'une solution d'aminosiloxane contenant un mélange de (i) siloxane aminofonctionnel bloqué par un triorganosilyle terminal, (ii) siloxane aminofonctionnel bloqué par une triorganosiloxy à une extrémité et un hydroxy à l'autre, (iii) siloxane aminofonctionnel bloqué par un hydroxy terminal, (B) d'un siloxane aminofonctionnel cyclique, (C) d'un polydiméthylcyclosiloxane, où le groupe aminofonctionnel est choisi parmi Image , Image , Image , Image , où R3 et R4 sont chacun un radical hydrocarboné divalent, R5 est un hydrogène, un alkyle, un aryle ou un arylalkyle, R6 est -C(O) R7, où R7 est un groupe hydrocarboné monovalent ou un aryle, et A est un anion halogénure, un anion carboxylate ou un oxoanion minéral. L'invention porte aussi sur une méthode pour l'obtention de la composition de siloxane d'ammonium hydrosoluble et sur une méthode pour traiter un substrat à l'aide de cette composition.

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