Aqueous ink jet printable compositions

A method of imaging a substrate comprising ink jet printing an aqueous composition onto a substrate wherein the aqueous composition comprises an aqueous vehicle and a silyl-terminated sulfopoly(ester-urethane) having the formula:

• 34
• wherein
• R represents a C6-C12 aryl triyl or C1-C20 aliphatic triyl group (trivalent aryl or aliphatic group) wherein M is H+, an alkali metal cation, an alkaline earth metal cation, or a primary, secondary, tertiary, or quaternary ammonium cation;
• each m independently represents 0 or 1, each n independently represents 0 or 1, each s independently represents s=0 or 1, with the proviso that, at least one of m or n must be equal to 1;
• each RD independently represents:
• 1) at least one of a divalent linear or branched organic group of 20 to 150 carbon atoms in units of 2 to 12 methylene groups and arylene groups of 6 to 10 carbon atoms separated by at least one of 1 to 50 catenary oxygen atoms and by 1 to 30 oxycarbonyl groups,
• 35
• 2) an organic group selected from the group consisting of a linear or branched alkylene group having 2 to 12 carbon atoms, a cyclopentamethylene group, a cyclohexamethylene group, a 5- or 6-membered azacyclic group, a phenylene group, a naphthalene group, a phenylenemethylenephenylene group, the organic group optionally being substituted by up to four lower alkyl groups having 1 to 4 carbon atoms and a total of up to 15 carbon atoms, which organic group can be chain extended by a transesterification reaction between a diol terminated ester precursor and a lower aliphatic diester of an aliphatic diacid having from 2 to 12 carbons or an aromatic diacid having from 8 to 12 carbons or reaction between a diol terminated ester precursor and an aliphatic lactone of 4 to 6 carbons, or
• 3) the structure {—R1(X1—R2—X1—R1)p—} where p is an integer from 1 to 5, produced by the reaction of a polyol with an isocyanate having the structure OCN—R2—NCO to produce a segment having a molecular weight of from 500 to 4,000;
• each R1 independently represents a linear or branched alkylene group having 2 to 12 carbon atoms, or an arylene group having 6 to 10 carbon atoms;
• each X1 independently represents
• 36
• each R2 independently represents an organic group selected from the group consisting of a linear or branched alkylene group having 2 to 12 carbon atoms, a cyclopentamethylene group, a cyclohexamethylene group, a 5- or 6-membered azacyclic group, a phenylene group, a naphthalene group, a phenylenemethylenephenylene group, the organic group optionally being substituted by up to four lower alkyl groups having 1 to 4 carbon atoms and a total of at most 15 carbon atoms;
• each X2 independently represents
• 37
• wherein each RA independently represents hydrogen, lower alkyl having 1 to 4 carbon atoms, or R1—Y, wherein R1 and Y are as previously described;
• each RH independently represents a divalent hydrophobic group selected from divalent oligomeric siloxanes having the structure
• 38
• divalent organic groups having the structure
• 39
• or divalent organic groups having one of the structures
• 40
• or quaternary salts thereof, wherein
• each R3 independently represents a divalent linear or branched alkylene group having 2 to 12 carbon atoms, or a divalent arylene or alkarylene group having 6 to 20 carbon atoms;
• each Y independently represents H, an alkyl group having from 1 to 20 carbon atoms, an aryl group having from 6 to 10 carbon atoms, or
• —Si(OR8)z(R4)w,
• wherein each R4 independently represents a monovalent lower alkyl group having from 1 to 4 carbon atoms, each R8 is H or a monovalent lower alkyl group having from 1 to 4 carbon atoms, each z is independently 2 or 3, each w is independently 0 or 1, and wherein z+w=3, with the proviso that at least one Y has the formula
• —Si(OR8)z(R4)w;
• each R5 independently represents a monovalent group selected from the group consisting of alkyl groups of 1 to 12 carbon atoms, aryl having 6 to 10 carbon atoms, or aralkyl groups having 6 to 10 carbon atoms, with at least 70 percent of R4 being methyl;
• each g independently represents an integer of from 10 to 300;
• each X3 independently represents a covalent bond, a carbonyl group,
• 41
• or a divalent amido group
• 42
• each R6 independently represents a monovalent group selected from the group consisting of alkyl groups of about 4 to about 60 carbon atoms;
• each R7 independently represents a divalent group selected from the group consisting of alkylene groups of 2 to about 12 carbon atoms;
• and
• each Rf independently represents a monovalent saturated fluoroaliphatic group having 6 to 12 carbon atoms, at least four of which are fully-fluorinated carbon atoms.