105results about "Preparation by acylation" patented technology

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.

There is provided an azo compound for improvement in the dispersibility of an azo pigment into a water-insoluble solvent. The azo compound is represented by the following general formula (1):

An aqueous ink composition which comprises a compound represented by the formula (1) or the salt thereof: (1) wherein R1 and R2 independently represent a hydrogen atom, an alkyl group, an alkoxy group, an alkanoylamino group, an alkoxyalkoxy group, a sulfonic acid group, a carboxyl group or an ureido group, m and n independently represent 1 or 2, and M1 represents a cation from a hydrogen atom, an alkali metal, an alkaline earth metal or an organic amine, or an ammonium ion. The composition has a hue and clarity suitable for the ink-jet recording, and can provide a recorded matter which is excellent in light resistance, water resistance and moisture resistance and can be controlled with respect to the degree of the discoloration or fading by the action of ozone.

A novel dye according to formula (I): capable of self-assembling thus forming supra-molecular structures. These self-assembling dyes may be advantageously used in an ink-jet ink for improving the stability of ink-jet ink images to light fading.

The present invention relates to a water-soluble azo compound or a salt thereof represented by the following formula (1):(wherein, R represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms or a sulfo group, n, m, x and y represent an integer of 1 or 2, 1 to 3, 2 to 4 and 1 to 3, respectively.) and an ink composition containing the same; the above compound or a salt thereof has a hue possessing a high vividness suitable for inkjet recording, provides various fastnesses to recorded matters, and is useful as a yellow coloring matter excellent in storage stability when prepared into an ink composition, and suitable for ink compositions, especially inks for inkjet recording.

An anisotropic dye film having high dichromatic properties is provided. An anisotropic dye film wherein the period d attributable to molecular stacking is at most 3.445 Å, and the column length L thereof is at least 105 Å. The anisotropic dye film preferably has a degree of orientation of the molecular stacking axes of at least 85% and a film thickness of at most 30 μm, and is formed by a wet film-forming method. Since it has a molecular alignment suitable to develop a dichroic ratio, it provides high dichromatic properties. A polarizing element having this anisotropic dye film is excellent in heat resistance, light fastness and polarizing performance.

A lightfast colorant and a lightfast ink composition including the lightfast colorant utilize a lightfast colorant that is derived by covalently binding a cinnamate derivative and a conventional colorant. The lightfast colorant improves storage stability as well as lightfastness when added to an ink composition.

The present invention relates to a water-soluble azo compound represented by the following formula (1)[KA 1](wherein, A represents a hydroxyl group, a morpholino group, an amino group, an aliphatic amine residue which may have a substituent, aromatic amine residue which may have a substituent, a phenoxy group which may have a substituent or an alkoxy group which may have a substituent, R1 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R2 represents a substituent selected from a hydrogen atom, a halogen atom, a nitro group and a hydroxyl group, n represents an integer number of 1 to 3, respectively) as free acid and an ink composition comprising the same. Said azo compound has hue having high vividness suitable for inkjet recording, said ink composition is excellent in storage stability, and an inkjet recorded article by using this is excellent in fastnesses such as moisture fastness, ozone gas fastness and light fastness.

A yellow ink composition, containing as a colorant at least one type of compound expressed by the following Formula I, and at least one type of compound expressed by the following Formula II:(where X1, X2, Y1, and Y2 are each a hydrogen atom or a cyano group, Z1 and Z2 are each a substituent having an aromatic ring, R1 and R2 are each an alkyl group, and M is a metal atom)(where R is a methoxy group or methyl group, and A is 1,5-disulfonaphtho-3-yl or 1,5,7-trisulfonaphtho-2-yl).

Azo compounds represented by general formula (1) or salts thereof are provided as highly water-soluble colorants which have hues of yellow, orange, brown or red, and excellent color development properties and which, when used in various recording processes, particularly in an inkjet recording process, ensure various excellent fastnesses such as light fastness, ozone fastness, and fading balance. Ink compositions containing the colorants are also provided. In general formula (1), R1 to R8 are each independently a hydrogen atom, C1-4 alkyl, C1-4 alkoxy, or the like; and X is C1-8 alkylenediamino, xylylenediamino, or the like.

There is provided an azo compound for improvement in the dispersibility of an azo pigment into a water-insoluble solvent. The azo compound is represented by the following general formula (1):

An ink composition, which comprises at least two kinds of water-soluble dyes, wherein at least one of the at least two kinds of water-soluble dyes is a compound selected from the group consisting of a compound represented by formula (S-1), which is described in the specification, and a salt of the compound represented by formula (S-1) and at least one of the at least two kinds of water-soluble dyes is a compound represented by formula (L-1), which is described in the specification, or a compound having a naphthalene ring substituted with at least one hydroxyl group and three or more azo groups.

The present invention relates a yellow dye composition, liquid dye composition, and ink composition which each contains compounds represented by the formulae (1) and (2): Wherein, M and L each represents hydrogen, an alkali metal, alkaline earth metal, cation of an organic amine, or ammonium ion. They have satisfactory long-term storage stability in an aqueous solution having a dyestuff concentration as high as 6 to 10%. They have a hue and vividness which are suitable for ink-jet recording, and are characterized by giving prints high in fastness regarding light fastness, etc.

An aqueous ink composition which comprises a compound represented by the formula (1) or the salt thereof: (1) wherein R1 and R2 independently represent a hydrogen atom, an alkyl group, an alkoxy group, an alkanoylamino group, an alkoxyalkoxy group, a sulfonic acid group, a carboxyl group or an ureido group, m and n independently represent 1 or 2, and M1 represents a cation from a hydrogen atom, an alkali metal, an alkaline earth metal or an organic amine, or an ammonium ion. The composition has a hue and clarity suitable for the ink-jet recording, and can provide a recorded matter which is excellent in light resistance, water resistance and moisture resistance and can be controlled with respect to the degree of the discoloration or fading by the action of ozone.

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.

A photosensitive composition comprising a compound capable of generating a specific sulfonic acid upon irradiation with actinic rays or a radiation; a compound capable of generating a specific sulfonic acid upon irradiation with an actinic ray or a radiation; and a pattern forming method using a photosensitive composition comprising a compound capable of generating a specific sulfonic acid upon irradiation with an actinic ray or a radiation.

The invention relates to azo dye acrylic ester, and copolymer emulsion coating dyeing water-borne binder and a preparation method thereof. First, the azo dye with N-hydroxyethyl functional group in coupling components is taken as the raw material to have acryloyl reaction, to obtain hair color monomer. An LIPN method is adopted to prepare 'core-shell' structure copolymer latex composed of hair color monomer, cross-linking monomer, soft monomer, hard monomer, anion, nonionic surface active agent combined emulsifier and initiator. The copolymer emulsion coating dyeing water-borne binder prepared by the method can be applied as textile coating dyeing water-borne binder. The invention is in particular applicable to the dyeing-wrinkle proofing-bathing method of real silk fabric, and can develop high-elastic wrinkle proofing novel real silk fabric types which meet the dry and wet rubbing fastness requirements.

An ink composition, which comprises at least two kinds of water-soluble dyes, wherein at least one of the at least two kinds of water-soluble dyes is a compound selected from the group consisting of a compound represented by formula (S-1), which is described in the specification, and a salt of the compound represented by formula (S-1) and at least one of the at least two kinds of water-soluble dyes is a compound represented by formula (L-1), which is described in the specification, or a compound having a naphthalene ring substituted with at least one hydroxyl group and three or more azo groups.

To provide an azo pigment composition having extremely good hue and extremely good light fastness and showing excellent tinctorial strength (color density) and, preferably, to provide an azo pigment composition further containing an azo pigment having characteristic X-ray diffraction peaks at different positions or a tautomer thereof An azo pigment composition which contains at least one azo pigment represented by the following formula (1) and having characteristic peaks at Bragg angles (20±0.2°) of 7.2° and 25.9° in X-ray diffraction with the characteristic Cu Kα line, or a tautomer thereof:.

A novel benzophenone type polymerizable dye containing a urethane bond and an ophthalmic lens containing the said polymerizable dye are disclosed. The benzophenone type polymerizable dye is shown by the following general formula (1)(wherein R1 and R2 are respectively and independently a hydrogen atom, a hydroxyl group, a carboxylic group, a C1 to C8 alkyl group, a C1 to C8 alkoxy group, a sulfonic acid group or a benzyloxy group, and m and n are respectively and independently an integer of 0 to 18. R3 is any of a polymerizable functional group of a vinyl group, an acryloyl group or a methacryloyl group).

The present invention relates to a water-soluble azo compound represented by the following formula (1):[wherein, n denotes 1 or 2, x denotes 2 to 4 and A denotes a divalent bonding group represented by one of the following general formulas (2) to (4):(Wherein, y denotes an integer number of 2 to 6 and w denotes an integer number of 1 to 4)]or a salt thereof, and an ink composition containing it; it shows a hue having high vividness suitable for inkjet recording and provides a recorded matter having high water fastness, and the ink composition prepared using it is excellent in storage stability.

The present invention relates to a water-soluble azo compound for yellow represented by the following formula (1)wherein, A represents a hydroxy group, a morpholino group, an amino group, an aliphatic amine residue which may have a substituent, an aromatic amine residue which may have a substituent, a phenoxy group which may have a substituent, or an alkoxy group which may have a substituent, R1 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R2 represents a hydrogen atom, a nitro group or a hydroxy group, and n represents an integer number of 1 to 3, respectively as a free acid, and an ink composition containing the same; said ink composition has good stability and is suitable for inkjet printing; and printed matters therewith have very high fastness such as ozone fastness and the like.

A set for ink jet recording comprising an ink jet recording medium containing a water-soluble aluminum compound and a sulfoxide compound in an ink receiving layer on a support, and an ink containing a coloring matter represented by the following formula (I), and an ink jet recording method using the same:wherein G is a heterocyclic group; n is an integer of 1 to 3; when n is 1, R, X, Y, Z, Q and G each represent a monovalent group; when n is 2, R, X, Y, Z, Q and G each represent a monovalent or divalent substituent, and at least one of them is a divalent substituent; and, when n is 3, R, X, Y, Z, Q and G each represent a monovalent, divalent or trivalent substituent, and at least two of them are a divalent substituent, or at least one of them represents a trivalent substituent.

The present invention relates to an azo compound represented by the following formula (1):(wherein, in the formula (1), R1 represents a hydrogen atom; a hydroxyl group; a carboxyl group; a (C1-C4)alkyl group which may be substituted by a hydroxyl group or a (C1-C4)alkoxy group; or the like, and A represents an aliphatic amine residue having a carboxyl group or a sulfo group, respectively;) or a salt thereof; an ink composition containing the same; and an inkjet recording method and a colored object using the same. Said azo compound has a high color value and has a hue between yellow and red or a brown hue. The ink containing said azo compound has satisfactory storage stability, and exhibits, when printed therewith, a stable ejection property even on a thermal type inkjet printer, and gives a print of high quality (superior in light fastness, ozone gas fastness and moisture fastness).

Anionic coloring agents comprising at least one spacer-arm bounded to their chemical structure, wherein said anionic coloring agents have the following formula: CA—RSA, wherein, CA is an anionic coloring agent comprising at least a chromophore group selected from the group consisting of azo, anthraquinone, formazane, dioxazine, phthalocyanine and / or sulphur; and RSA is said spacer-arm, which has the following chemical structure: —X—R-Z, wherein, X is a chemical bond or a group having the formula —S(O)n, wherein n is 1 or 2; or a —NR1— group, wherein R1 is a hydrogen atom or a linear or branched C1-C10 alkyl group; R is a linear or branched C1-C10 alkylene group; Z is a —NR2R3, —S—SO3R4, or —SO3R5 group, wherein, R2, R3, R4 and R5 are, independently, a hydrogen atom or a linear or branched C1-C10 alkyl group; or, Z is a —NR6—(CH2)m—W group, wherein, R6 a hydrogen atom, a linear or branched hydroxy C1-C10 alkyl group, or a linear or branched C1-C10 alkyl group; m is an integer from 1 to 10; and W is a —COOR7, —CONR8R9, —SO3H, —S—SO3H, —CN, —SO3R10, or —S—SO3R11 group; wherein, R7, R8, R9, R10 or R11 are, independently, a hydrogen atom or a linear or branched C1-C10 alkyl group; provided that when X is a —NR1— group, and Z is a —NR2R3 group, then R1, R2 y R3 cannot be simultaneously a hydrogen atom. The invention also refers to coloring compositions, which comprise at least one anionic coloring agent of the formula: CA—RSA, wherein, CA and RSA are as described above, and an eventual suitable carrier; and coloring compositions comprising at least two coloring agents, wherein at least one of said coloring agents is an anionic coloring agent as described above, and an eventual suitable carrier. Moreover, the invention reveals the use of the anionic coloring agents and coloring compositions as described above to dye cotton, nylon, wool, regenerated cellulose, leather, and cardboard and paper substrates; and the above dyed substrates. The introduction of spacer-arms in the chemical structure of anionic coloring agents leads to modified anionic coloring agents, which differ from the known coloring agents in their dying properties such as strength, tone and affinity, due to fixation modifications onto the substrate to be dyed.

Disazo dyes of general formula (V)wherein X, R1, M and n are as defined in the specification, are excellent yellow dyes for dying and printing of cellulose containing materials and textile materials, and, especially, for the preparation of inks for ink jet printing.

A novel dye according to formula (I):capable of self-assembling thus forming supra-molecular structures. These self-assembling dyes may be advantageously used in an ink-jet ink for improving the stability of ink-jet ink images to light fading.