Abstract:
Disclosed are colorant precursor compounds of the formula 1 wherein R is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, and wherein R can be joined to the phenyl moiety to form a ring, each Rnull, independently of the others, is a halogen atom, an alkyl group, an alkoxy group, a nitrile group, a nitro group, an amide group, or a sulfonamide group, z is an integer of 0, 1, 2, 3, or 4, n is an integer representing the number of carbon atoms in each repeat alkylene oxide unit, and x is an integer representing the number of repeat alkylene oxide units, wherein said colorant precursor has no more than one nullOH, nullSH, or primary or secondary amino group per molecule.
Abstract:
Disclosed are colorant compounds of the formula 1 wherein R, R1, R2, R3, and R4 each, independently of the others, is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, and wherein R, R1, R2, R3, and R4 each can be joined to a phenyl moiety to form a ring, each Rnulla, Rnullb, and Rnullc, independently of the others, is a halogen atom, an alkyl group, an alkoxy group, a nitrile group, a nitro group, an amide group, or a sulfonamide group, z1, z2, and z3 each, independently of the others, is an integer of 0, 1, 2, 3, or 4, n is an integer representing the number of carbon atoms in each repeat alkylene oxide unit, x is an integer representing the number of repeat alkylene oxide units, D is an anion, and g is the charge on the anion, wherein said colorant has no more than one nullOH, nullSH, or primary or secondary amino group per molecule.
Abstract:
A phase change ink composition comprising a phase change ink carrier and a colorant compound of the formula 1 wherein M is either (1) a metal ion having a positive charge of nully wherein y is an integer which is at least 2, said metal ion being capable of forming a compound with at least two 2 chromogen moieties, or (2) a metal-containing moiety capable of forming a compound with at least two 3 chromogen moieties, z is an integer representing the number of 4 chromogen moieties associated with the metal and is at least 2, and R1, R2, R3, R4, R5, R6, R7, a, b, c, d, Y, Qnull, A, and CA are as defined herein.
Abstract:
Disclosed is a phase change ink composition comprising (a) a colorant and (b) a carrier comprising a polyamide, wherein the polyamide component of the carrier contains at least about 10 percent by weight of a branched triamide.
Abstract:
Disclosed are colorant compounds of the formula 1 wherein R is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, and wherein R can be joined to the phenyl moiety to form a ring, each Rnull, independently of the others, is a halogen atom, an alkyl group, an alkoxy group, a nitrile group, a nitro group, an amide group, or a sulfonamide group, z is an integer of 0, 1, 2, 3, or 4, n is an integer representing the number of carbon atoms in each repeat alkylene oxide unit, x is an integer representing the number of repeat alkylene oxide units, and A and B each, independently of the other, are hydrogen atoms, halogen atoms, tertiary amino groups, imine groups, ammonium groups, cyano groups, pyridine groups, pyridinium groups, ether groups, ester groups, amide groups, sulfate groups, sulfonate groups, sulfide groups, sulfoxide groups, phosphine groups, phosphonium groups, phosphate groups, nitrile groups, mercapto groups, nitro groups, sulfone groups, acyl groups, azo groups, cyanato groups, alkyl groups, alkoxy groups, aryl groups, aryloxy groups, arylalkyl groups, arylalkyloxy groups, alkylaryl groups, or alkylaryloxy groups, wherein said colorant has no more than one nullOH, nullSH, or primary or secondary amino group per molecule.
Abstract:
Disclosed is a phase change ink composition comprising (a) a colorant and (b) the reaction product of (i) an isocyanate and (ii) an antioxidant or UV stabilizer molecule having thereon (A) at least one isocyanate-reactive hydroxyl group and/or (B) at least one isocyanate-reactive primary or secondary amino group.
Abstract:
Disclosed is a phase change ink composition comprising a phase change ink carrier and a colorant compound of the formula 1 wherein Y is a hydrogen atom or a bromine atom, n is an integer of 0, 1, 2, 3, or 4, R1 is an alkylene group or an arylalkylene group, and X is (a) a hydrogen atom, (b) a group of the formula 2 wherein R2 is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, (c) an alkyleneoxy, aryleneoxy, arylalkyleneoxy, or alkylaryleneoxy group, or (d) a group of the formula 3 wherein R4 is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group.
Abstract:
Disclosed is a process for preparing a colorant of the formula 1 wherein Y is a hydrogen atom or a bromine atom, n is an integer of 0, 1, 2, 3, or 4, R1 is an alkylene group or an arylalkylene group, R2 is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, and R4 is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, can be prepared by a process which comprises (a) preparing a first reaction mixture by admixing (1) leucoquinizarin and, optionally, quinizarin, (2) an aminobenzene substituted with an alcohol group of the formula nullR1nullOH, (3) boric acid, and (4) an optional solvent, and heating the first reaction mixture to prepare an alcohol-substituted colorant of the formula 2 followed by (b) converting the colorant thus prepared to either (i) an ester-substituted colorant by reaction with an esterification compound which is either (A) an anhydride of the formula 3 or (B) an acid of the formula R2COOH in the presence of an optional esterification catalyst, or (ii) a urethane-substituted colorant by reaction with an isocyanate compound of the formula R4nullNnullCnullO and (c) brominating the colorant thus prepared, wherein either conversion to ester or urethane can be performed before bromination or bromination can be performed before conversion to ester or urethane.
Abstract:
Disclosed are compounds of the formula 1 wherein Y is a hydrogen atom or a bromine atom, n is an integer of 0, 1, 2, 3, or 4, R1 is an alkylene group or an arylalkylene group, and X is (a) a hydrogen atom, (b) a group of the formula 2 wherein R2 is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, (c) an alkyleneoxy, aryleneoxy, arylalkyleneoxy, or alkylaryleneoxy group, or (d) a group of the formula 3 wherein R4 is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group.
Abstract:
Solid inks and toners contain at least one colorant that includes at least one substituted-9,10-anthraquinone compound, substituted with at least one monofunctional amine. The colorant can be formed very efficiently, and the product can be used in desirable image formation methods.