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公开(公告)号：JP2557925B2
公开(公告)日：1996-11-27
申请号：JP33316787
申请日：1987-12-29
Applicant: MITSUI TOATSU CHEMICALS
Inventor： TAKUMA HIROSUKE , OOYAMA TSUKASA , MIKOTA TAMIO , AIDA ISAMU , KOSHIDA HITOSHI , IGATA AKITOSHI
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公开(公告)号：JPH0659517A
公开(公告)日：1994-03-04
申请号：JP21262592
申请日：1992-08-10
Applicant: MITSUI TOATSU CHEMICALS
Inventor： KOSHIDA HITOSHI , AIDA ISAMU , TANAKA HIRONORI , MATSUZAKI YORIAKI , TAKUMA HIROSUKE
Abstract: PURPOSE:To obtain a bright and transparent blue color image without fog and to obtain a copy having good light resistance by using a dye of specified compsn. for a piece-dyeing blue color toner. CONSTITUTION:The dye for a piece-dyeing blue color toner is expressed by formula, and the dye is used for the color toner. In formula, benzene rings A and B may have substituents, and R1 and R2 are hydrogen atoms, alkyl or aryl groups which may have substituents. The blue color toner is obtd. by dyeing a toner resin by using the blue color dye expressed by formula and a nonion or anion dispersant. As for the auxiliaries, a nonion or anion dispersant is used. The dispersant to be used to dye the piece-dyeing color toner must be colorless or slightly colored because if the dispersant itself is colored, decoloration is not completely performed although a water-washing process or the like is included.
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公开(公告)号：JPH05212978A
公开(公告)日：1993-08-24
申请号：JP17858892
申请日：1992-07-06
Applicant: MITSUI TOATSU CHEMICALS
Inventor： OYAMA TSUKASA , SHIMOKAWA YASUSHI , TAKUMA HIROSUKE , AIDA ISAMU , KOSHIDA HITOSHI , IGATA AKITOSHI
Abstract: PURPOSE:To obtain a magenta pigment for sublimation thermal transfer recording which is excellent in solubility, ribbon reserving-stability, dyeing property, durability, and light fastness by a specific compound which is obtained by diazotizing 4-substitution-2, 6-dibromoaniline, effecting a coupling reaction with various kinds of aniline and cyanizing it. CONSTITUTION:The title pigment is composed of a compound expressed by the formula I (R expresses an alkyl group, an alkoxy group, R expresses an alkyl group, an aryl group, a halogenoalkyl group, R expresses an alkyl group, an aryl group, an alkoxyalkyl group, a cyanoalkyl group, an alkylcarboxyalkyl group, the halogenoalkyl group, X expresses H, an alkoxy group, and Y expresses H, an alkoxy group, an alkylcarbonylamino group, an alkylsulfonylamino group.). This pigment is excellent in solubility, ribbon- reserving stability, dyeing property, durability, and light fastness.
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公开(公告)号：JPH05173369A
公开(公告)日：1993-07-13
申请号：JP34288991
申请日：1991-12-25
Applicant: MITSUI TOATSU CHEMICALS
Inventor： TAKUMA HIROSUKE , MATSUZAKI YORIAKI , AIDA ISAMU , KOSHIDA HITOSHI
Abstract: PURPOSE:To provide a color toner having excellent melt miscibility with which picture images of continuous copies obtd. by repeated development have stable density, bright red color, and good light resistance, by using a specified dye for a red color toner. CONSTITUTION:A negative charge color toner is obtd. by incorporating a dye for a red color toner expressed by formula preferably by 0.1-10 pts.wt. to the binder resin. The compd. of formula shows a bright red color and is singly used as a coloring dye for a red toner, or two or more kinds of compds. of formula are compounded to give a red color. As for a charge controlling agent to be added to improve the electrification property of this color toner is preferably a coloress compd. so as not to change the color tone of the toner, and for example, bis(4-t-butylsalicylic acid) chromium (2) complex, N- octadecylpyridinium chloride, tetraoctyl ammonium chloride, etc., are used. In formula, X is a halogen atom or OR.
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公开(公告)号：JPH05169860A
公开(公告)日：1993-07-09
申请号：JP34141591
申请日：1991-12-24
Applicant: MITSUI TOATSU CHEMICALS , DAINIPPON PRINTING CO LTD
Inventor： OYAMA TSUKASA , SHIMOKAWA YASUSHI , AIDA ISAMU , KOSHIDA HITOSHI , TAKUMA HIROSUKE , TAKIGUCHI RYOHEI , EGUCHI HIROSHI , KAFUKU MASAAKI
IPC: B41M5/392 , B41M5/385 , B41M5/388 , B41M5/39 , C09D11/00 , C09D11/02 , C09D11/023 , C09D11/033 , C09D11/037
Abstract: PURPOSE:To obtain dyestuffs and an ink composition for thermal transfer recording having high sublimating speed and excellent image stability after transfer by using dyestuffs being shown in specific chemical formula and having superior solubility to an ink solvent and the low melting point as sublimating dyestuffs for thermal transfer recording. CONSTITUTION:In a thermal transfer recording system using sublimating dyestuffs, a transfer sheet, in which a base film is coated with sublimating dyestuffs, is employed, and the transfer sheet is heated selectively by a thermal head, thus conducting transfer on recording paper. Dyestuffs shown in general formula mentioned on the right are used as the sublimating dyestuffs at that time. In formula, R , R represent a hydrogen atom, a substituted or non- substituted alkyl group, an alkoxy group, etc., R , R the hydrogen atom, a 1-4C alkyl group or a halogen atom, R -R the hydrogen atom, the 1-4C alkyl group, etc., R , R the hydrogen atom, the substituted or non-substituted alkyl group, etc. The dyestuffs are kneaded with a binder resin, an organic solvent, etc., thus acquiring an ink composition for thermal transfer recording.
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Patent Agency Ranking
公开(公告)号：JPH058561A
公开(公告)日：1993-01-19
申请号：JP16548291
申请日：1991-07-05
Applicant: MITSUI TOATSU CHEMICALS
Inventor： OYAMA TSUKASA , SHIMOKAWA YASUSHI , AIDA ISAMU , KOSHIDA HITOSHI , TAKUMA HIROSUKE
Abstract: PURPOSE:To enhance the sublimation speed at the time of transfer and image stability after transfer by using a compound represented by a specific general formula obtained by the oxidative bonding of substituted anilines and substituted phenols. CONSTITUTION:As a dye for thermal sublimation transfer recording used in color hard copy, a compound represented by general formula (1) (wherein R is a hydrogen atom, a hydroxyl group, a substituted or non-substituted alkyl group or an alkoxy group, R -R are a hydrogen atom, a 1-4C alkyl group or a halogen atom. R -R are a hydrogen atom, a 1-4C alkyl group, an alkoxy group or an alkylcarbonylamino group and R and R are a hydrogen atom, a substituted or non-substituted alkyl group or an alkenyl group) is used. An ink composition for a thermal sublimation transfer sheet is obtained from said dye, a binder (resin) and an org. solvent and/or water.
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公开(公告)号：JPH03197185A
公开(公告)日：1991-08-28
申请号：JP33660789
申请日：1989-12-27
Applicant: MITSUI TOATSU CHEMICALS
Inventor： KARASAWA AKIO , KOSHIDA HITOSHI , AIDA ISAMU , TAKUMA HIROSUKE
Abstract: PURPOSE:To obtain fast recording having sufficient color density by incorporating at least one or more kind of a dye component selected from a specific dye group. CONSTITUTION:A dye represented by general formula (I) is obtained by reacting specific pyrroles with 1.0 - 1.5mol. of tetracyanoethylene at 40 - 80 deg.C, for exam ple, in a polar solvent such as dimethylformamide. Thermal transfer recording ink is prepared by mixing this dye with a proper resin and a proper solvent. The amount of the dye in the thermal transfer recording ink in this case is usually 2 - 5wt.%. Since the dye represented by the general formula I has a sharp yellow color, it is suitable for obtaining a full color in combination with a magenta dye and a cyan dye. In this case, since the solubility of the dye component having this yellow color to the resin and solvent used at the time of the preparation of a transfer sheet can be enhanced according to circumstances by mixing other dye with the dye component, other yellow dye other than this dye may be mixed, if necessary.
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公开(公告)号：JPH03175089A
公开(公告)日：1991-07-30
申请号：JP31438989
申请日：1989-12-05
Applicant: MITSUI TOATSU CHEMICALS
Inventor： KARASAWA AKIO , KOSHIDA HITOSHI , AIDA ISAMU , TAKUMA HIROSUKE
Abstract: PURPOSE:To obtain a yellow color which melts with resin or a solvent component satisfactorily, sublimates into an image receiving element and enables color-fast records to be obtained with adequate color density by using a specific color for sublimable thermal recording. CONSTITUTION:Pyridoneazo color expressed by formula (I) is used alone or with another yellow component if necessary, as a yellow component. In the formula, R1, R2 are a substituted or a non-substituted alkyl group, R2 is a hydro gen atom, a substituted or a non-substituted alkyl group, an alkoxy group or a halogen atom. The color is mixed with any appropriate resin and solvent to manufacture an ink for thermal transfer recording. In this case, the color dosage in the ink is normally 2 to 5 weight%. The transfer sheet is manufac tured by applying a color ink containing this color to the surface of a transfer base. As the pyridoneazo color shown by the formula (I) is a sharp yellow, a full color can be obtained by combining the phyridoneazo color with clors magenta and cyan.
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公开(公告)号：JPH03166989A
公开(公告)日：1991-07-18
申请号：JP30640189
申请日：1989-11-28
Applicant: MITSUI TOATSU CHEMICALS
Inventor： KOSHIDA HITOSHI , AIDA ISAMU , KARASAWA AKIO , TAKUMA HIROSUKE
Abstract: PURPOSE:To obtain color copies having satisfactory dyeing and coloring properties and also superb color fastness by adding specific vilydon blending colors. CONSTITUTION:A yellow thermally sublimable transfer sheet contains more than one type each of color expressed by formula (I) (in the formula, R1 is an alkyl group braching to alpha position, R2 is a lower alkylene group, R3 is an alkyl group, a cycloalkyl group and a substituted or a non-substituted aryl group) and a color expressed by formula (II) (in the formula, R4 is an alkyl group, an alkoxyalkyl group and R5 is an alkyl group). The blending ratio of compounds expressed by the formulae (I)(II) depends on the assortment of colors with yellow. The transfer sheet is manufactured by applying ink for thermal transfer consisting of colors, binder resin and a solvent to a transfer sheet base. In this case, the amount of colors in the ink for thermal transfer recording is normally 2 to 5 weight%.
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公开(公告)号：JPH03120096A
公开(公告)日：1991-05-22
申请号：JP25698689
申请日：1989-10-03
Applicant: MITSUI TOATSU CHEMICALS
Inventor： KOSHIDA HITOSHI , KARASAWA AKIO , AIDA ISAMU , MUGITANI TETSUHIRO , KUNII KOJI , TAKUMA HIROSUKE
Abstract: PURPOSE:To ensure favorable dyeing properties and color forming properties and make it possible to obtain a color copy with excellent fastness, by incorporating two kinds of coloring matters having predetermined respective compositions. CONSTITUTION:At least one coloring matter of formula I and at least one coloring matter of formula II are blended. In formula I, R1 is an alkyl, alkoxyl or alkoxyalkyl group or a halogen. In formula II, R2 is hydrogen, an alkyl, alkoxyl or alkoxyalkyl group or a halogen. Examples of R1 and R2 in formulas I and II include such alkyl groups as methyl and ethyl, such alkoxyl groups as methoxyl and ethoxyl, and such alkoxyalkyl groups as methoxyethyl and ethoxyethyl. It is particularly preferable that R1 in formula I and R2 in formula II be at the m-position, from the viewpoint of solubility of the coloring matter. It is thereby possible to ensure favorable dyeing properties and color forming properties and to obtain a color copy with excellent fastness.
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