Polyurethane dispersions
AssigneeCroda International PLC
InventorsWILHELMUS ADRIANUS JACOBUS HONCOOP, REMCO BENJAMIN VAN TRIET, ANGELA LEONARDA MARIA SMITS
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Abstract
The present invention relates to a polyurethane dispersion comprising particles of a polyurethane dispersed in a dispersing medium, wherein the polyurethane is obtainable by reacting a polyol and an isocyanate, wherein the polyol comprises at least one dimer fatty residue selected from a dimer fatty diacid residue, a dimer fatty diol residue and a dimer fatty diamine residue; and at least one furan dicarboxylic acid residue. The invention also relates to a coating composition comprising the polyurethane dispersion, a polyol for making the polyurethane dispersion, the use of the polyol and a method of making the polyurethane.
Claims21
A polyurethane dispersion comprising particles of a polyurethane dispersed in a dispersing medium, wherein the polyurethane is obtainable by reacting a polyol and an isocyanate, wherein the polyol comprises:
- a) at least one dimer fatty residue selected from a dimer fatty diacid residue, a dimer fatty diol residue and a dimer fatty diamine residue;
- and
- b) at least one furan dicarboxylic acid residue.
A polyol for use in making a polyurethane dispersion, wherein the polyol comprises:
- a) at least one dimer fatty residue selected from a dimer fatty diacid residue, a dimer fatty diol residue and a dimer fatty diamine residue;
- and
- b) at least one furan dicarboxylic acid residue.
(canceled)
Dependencies are inferred from the claim text.