| 摘要 |
<p>Provided is a composition comprising (a1) one or more compound that is a trimer of a diisocyanate that has structure A1-NCO; (b1) one or more compound having the structure A1-L1-(CH2CH2O)n-Z; (a2) one or more compound that is a trimer of a diisocyanate that has structure A2-NCO; and (b2) one or more compound having the structure A2-L2-Q-G; wherein A1 in structure II-1 is identical to A1 in structure I-1, L1 is a linking group formed by a reaction of an isocyanate group with an isocyanate-reactive group, n is 5 to 25, Z is an alkyl group, A2 in structure II-2 is identical to A2 in structure I-2, L2 is a linking group formed by a reaction of an isocyanate group with an isocyanate-reactive group, Q is an organic group, G is an anionic group, A1 and A2 may be identical or different, wherein wa1 + wa2 is 0% to 90%, wherein wa1 is the weight percent of said compound (a1), based on the total solids weight of said composition, wherein wa2 is the weight percent of said compound (a2), based on the total solids weight of said composition, wherein wb1 + wb2 is 0% to 100%, wherein wb1 is the weight percent of said compound (b1), based on the total solids weight of said composition, wherein wb2 is the weight percent of said compound (b2), based on the total solids weight of said composition, and wherein the ratio wb1:wb2 is between 0.01:1 and 100:1. Also provided is an emulsion comprising particles suspended in an aqueous medium, wherein the particles comprise said composition and further comprise (c) one or more water-insoluble compound that is different from said trimer (a).</p> |
