摘要:
A pigment dispersion comprising a colour pigment represented by formula (I) wherein, R1 is selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, a methoxy group, an ethoxy group, —CF3, —COOH, —COOCH3 and R2, R4 and R5 are independently selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, a methoxy group, an ethoxy group, —CF3, —COOH and —COOCH3; R3 is selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, a methoxy group, an ethoxy group, —CF3, —COOH, —COOCH3, —SO2NH—C6H5, —CONH—C6H5, —CONH—C6H5—CONH2 and —CONH2; R6 and R7 are independently selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, a methoxy group, an ethoxy group, —CF3, —COOH and —COOCH3, or R6 and R7 represent the necessary atoms to form an imidazolone ring; and a polymeric dispersant having via a linking group covalently linked to its polymeric backbone at least one pending chromophore group which has a molecular weight smaller than 95% of the molecular weight of said colour pigment. The pigment dispersion can be advantageously used in inkjet inks.
摘要翻译:一种颜料分散体,其包含由式(I)表示的着色颜料,其中R 1选自氢,卤素原子,甲基,乙基,甲氧基,乙氧基,-CF 3,-COOH,-COOCH 3,R 2,R 4和R 5独立地选自氢,卤素原子,甲基,乙基,甲氧基 ,乙氧基,-CF 3,-COOH和-COOCH 3; R 3选自氢,卤素原子,甲基,乙基,甲氧基,乙氧基,-CF 3 - ,-COOH,-COOCH 3 -SO 2,NH-C 6 H 5,-CONH-C 6 H, -CONH-C 6 H 5 -CONH 2和-CONH 2 N 2 - , - ; R 6和R 7独立地选自氢,卤素原子,甲基,乙基,甲氧基,乙氧基,-CF 3 - ,-COOH和-COOCH 3, 或者R 6和R 7代表形成咪唑啉酮环的必要原子; 以及聚合物分散剂,其通过共价连接至其聚合物主链的至少一个分子量小于所述彩色颜料分子量的95%的待发色团。 颜料分散体可以有利地用于喷墨油墨中。
摘要:
A substantially light-insensitive thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, a binder and at least one compound selected from the group consisting of mono-alkyl tetrachloro-phthalates, di-alkyl tetrachlorophthalates and N-(tetrachloro-phthalimyl)n-alkanes, wherein n is an integer greater than or equal to 1.
摘要:
A heat-sensitive lithographic printing plate precursor comprising on a grained and anodized aluminum support a compound which is capable of converting form a hydrophobic state to a hydrophilic state or vice versa upon exposure to heat, and is represented by the following formula: A-(L)n-Bwherein L represents a linking group, n represents 0 or 1 and B represents a thermo-labile group; characterized in that the compound further comprises the group A which is a functional group capable of interacting with the surface of a grained and anodized aluminum support and is selected from the list consisting of a halosilanyl group, an alkoxysilanyl group, a phosphonic acid group or a salt thereof, a phosphoric acid group or a salt thereof, a salicylic acid group or a salt thereof, a boronic acid group or an ester or a salt thereof, an optionally substituted di or tri-hydroxyaryl group, an optionally substituted salicaldoxime group, an optionally substituted salicaldimine group, an optionally substituted hydroxyheteroaryl group, an amidine group, a 1,3-dicarbonyl group or a group represented by the formula (i) wherein Q and Z independently represent the necessary atoms to form an optionally substituted five or six membered aromatic or heteroaromatic ring.
摘要:
A polymer for a heat-sensitive lithographic printing plate precursor is disclosed wherein the polymer comprises a phenolic monomeric unit wherein the H atom of the hydroxy group of the phenyl group of the phenolic monomeric unit is replaced by a group comprising a N-imide group and wherein the substitution of the polymer increases the chemical resistance of the coating of the printing plate precursor.
摘要:
A substantially light-insensitive black and white monosheet thermographic recording material comprising a support and a thermosensitive element, said thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, a binder and at least one 2-mercapto-benzothiazole compound represented by formula (I): wherein R1, R2, R3 and R4 are independently hydrogen, an optionally substituted alkyl group, an optionally substituted aryl group, an alkoxy group, an ester group, a carbamate group, a carbonate group, a SO2R5 group, a —NR6R7 group, a nitro group, a cyano group, an acyl group, a halogen atom, an optionally alkyl or alkoxy-substituted —SO2NH-phenyl group, a perfluoro-alkyl group, a —CONHR8 group, a —NHOCR9 group, a —OCOOR10 group or a —NHCOOR11 group; R5, R9, R10 and R11 are independently an optionally substituted alkyl or an aryl group; R6, R7 and R8 are independently a hydrogen atom, an optionally substituted alkyl group or an acyl group; R1 and R2 together, R2 and R3 together and R3 and R4 together can independently represent the atoms necessary to form a carbocyclic, aromatic, heteroaromatic or heterocyclic ring with the proviso that at least one of R1, R2, R3 and R4 is not hydrogen.
摘要:
An ink composition is disclosed which contains at least one novel dye (CU)n(SAU)m that is capable of self-assembling under appropriate conditions to form supramolecular structures. More than one novel dye (CU)n(SAU)m and/or at least one non-colored self-assembling compound (SAU′)p(X)q may be incorporated in these supramolecular structures. Also disclosed is an ink-jet printing process using these novel dyes, and an ink-jet printing apparatus provided with an ink cartridge containing such a dye.
摘要:
A polymer for a heat-sensitive lithographic printing plate precursor is disclosed wherein the polymer comprises a phenolic monomeric unit wherein the phenyl group of the phenolic monomeric unit is substituted by a group having the structure —S-(L)k-Q wherein S is covalently bound to a carbon atom of the phenyl group, L is a linking group, k is 0 or 1 and Q comprises a heterocyclic group and wherein the substitution of the polymer increases the chemical resistance of the coating of the printing plate precursor.
摘要:
A heat-sensitive lithographic printing plate precursor is disclosed which comprises a hydrophilic support and an oleophilic coating comprising an infrared absorbing agent and a polymer, which comprises a phenolic monomeric unit wherein the phenyl group of the phenolic monomeric unit is substituted by a group having the structure —N═N-Q wherein the —N═N— group is covalently bound to a carbon atom of the phenyl group and wherein Q is an aromatic group and wherein the substitution increases the chemical resistance of the coating.
摘要:
A radiation curable composition comprising a novel photoreactive polymer is disclosed comprising a dendritic polymer core with at least one initiating functional group and at least one co-initiating functional group. Suitable radiation curable compositions are varnishes, lacquers,printing inks and radiation curable ink-jet inks. The dendritic polymeric core is preferably a hyperbranched polymer.
摘要:
An ink jet recording material is disclosed comprising a support and at least one binder containing ink-receiving layer, further containing a light-stabilizing compound according to following general formula (I): A-L-R (I) wherein, A is represented by following formula: the symbols of which are defined in the claims and description. The finished ink jet image shows an improved light-fastness.