C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 11/00 (2006.01)
Patent
CA 2603906
The invention relates to a method for applying dissolved or dispersed substances (A) from a formulation in a polar medium, preferably an aqueous formulation, to substrates (B), using at least one auxiliary substance (C). According to said method, a formulation in a polar medium, containing a dissolved or dispersed substance (A) and at least one auxiliary substance (C), is applied to the substrate (B). The pKa value of the auxiliary substance (C) is higher than that of the substrate (B) and the dissolved or dispersed substance (A), and the auxiliary substance (C) is selected from three- dimensional amphoteric core-shell polymers.
L'invention concerne un procédé permettant d'appliquer des substances dissoutes ou dispersées (A) d'une formulation en milieu polaire, de préférence d'une formulation aqueuse, sur des substrats (B) à l'aide d'au moins une substance auxiliaire (C) en appliquant sur le substrat (B) une formulation en milieu polaire contenant une substance dissoute ou dispersée (A) et au moins une substance auxiliaire (C). La valeur pKa de la substance auxiliaire (C) est supérieure à celle du substrat (B) et de la substance (A) dissoute ou dispersée. Et la substance auxiliaire (C) est sélectionnée parmi des polymères noyau-enveloppe amphotères tridimensionnels.
Becker Heike
Degen Hans-Juergen
Herrera Taboada Lidcay
Kluge Michael
Basf Aktiengesellschaft
Robic
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