Aqueous binder system, a coating composition and a coating
AssigneesCroda International PLC, Croda, Inc.
InventorsWilhelmus Adrianus Jacobus Honcoop, Barend van de Velde, Johannes Hendrik Lexmond, Mei-Ly Chua
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Abstract
An aqueous binder system is described for a coating composition, the aqueous binder system comprising A) at least 10 wt % water, based on the total weight of the aqueous binder system; B) at least one hydroxyl-functional binder polymer; and C) from 0.1 to 20 wt %, based on the total weight of the aqueous binder system, of at least one quaternary ammonium compound, wherein the quaternary ammonium compound comprises a core quaternary ammonium group which has pendant groups as described. A coating composition, a coating, methods and uses are also provided.
Claims13
An aqueous binder system for a coating composition, the aqueous binder system comprising:
- A) at least 10 wt % to 90 wt % water, based on the total weight of the aqueous binder system;
- B) at least one hydroxyl-functional binder polymer;
- and
- C) from 0.1 to 20 wt %, based on the total weight of the aqueous binder system, of at least one quaternary ammonium compound, wherein the quaternary ammonium compound comprises a core quaternary ammonium group which has pendant groups which comprise:
- i) a hydrocarbyl group having 8 to 16 carbon atoms which is a linear or branched, alkyl or alkenyl group;
- ii) two independent hydroxyl terminated groups, wherein each hydroxyl terminated group comprises from 1 to 10 alkylene oxide residues and wherein the total number of alkylene oxide residues in the quaternary ammonium compound is from 5 to 12;
- and
- iii) a C1 to C8 hydrocarbyl group;
- wherein B) and C) are not covalently bonded to each other within the aqueous binder system.
Dependencies are inferred from the claim text.