WO2010089984A1 - フェノール性化合物および記録材料 - Google Patents
フェノール性化合物および記録材料 Download PDFInfo
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- WO2010089984A1 WO2010089984A1 PCT/JP2010/000573 JP2010000573W WO2010089984A1 WO 2010089984 A1 WO2010089984 A1 WO 2010089984A1 JP 2010000573 W JP2010000573 W JP 2010000573W WO 2010089984 A1 WO2010089984 A1 WO 2010089984A1
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- Prior art keywords
- hydrogen atom
- methyl
- group
- alkyl group
- bis
- Prior art date
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- 0 *C(C(*)=O)=C[C@@]1C(*)=C(*)C=CC1 Chemical compound *C(C(*)=O)=C[C@@]1C(*)=C(*)C=CC1 0.000 description 2
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
- B41M5/333—Colour developing components therefor, e.g. acidic compounds
- B41M5/3333—Non-macromolecular compounds
- B41M5/3335—Compounds containing phenolic or carboxylic acid groups or metal salts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
- B41M5/333—Colour developing components therefor, e.g. acidic compounds
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C233/00—Carboxylic acid amides
- C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C233/16—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms
- C07C233/24—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by a carbon atom of a six-membered aromatic ring
- C07C233/29—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by a carbon atom of a six-membered aromatic ring having the carbon atom of the carboxamide group bound to an acyclic carbon atom of a carbon skeleton containing six-membered aromatic rings
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C235/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms
- C07C235/02—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton
- C07C235/32—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton containing six-membered aromatic rings
- C07C235/38—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton containing six-membered aromatic rings having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a six-membered aromatic ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
- B41M2205/28—Storage stability; Improved self life
Definitions
- the present invention relates to a phenolic compound and a recording material containing the compound and a recording material excellent in image storability.
- Recording materials that utilize the color developed by the reaction between the color-forming dye and the developer can be recorded in a relatively simple device in a short time without complicated processing such as development and fixing. It is widely used for heat-sensitive recording paper for printing or pressure-sensitive copying paper for forms for copying several sheets simultaneously. These recording materials are required to develop colors quickly, maintain the whiteness of the uncolored areas (hereinafter referred to as “background”), and have high color fastness, but have long-term storage stability. In view of the above, there has been a demand for a recording material having particularly excellent light resistance of the background. For this reason, efforts have been made to develop chromogenic dyes, color developers, storage stabilizers, etc., but a satisfactory balance has been found, such as color development sensitivity, background and image storability. Not.
- the present inventors have already proposed a recording material excellent in light resistance of the background using a cinnamic amide-based compound as a developer (see Patent Document 1), but is still not fully satisfactory and is practically used. No effective recording material has been obtained.
- the object of the present invention is to improve the disadvantages of the conventional recording materials as described above, and to have excellent background and image storage stability, particularly in all of the background light resistance, image light resistance, and moisture and heat resistance. Is to provide a recording material.
- the present inventors have already found that when a cinnamic amide compound is used as a developer, a recording material excellent in light resistance of the background can be provided (Japanese Patent Laid-Open No. 2003-305959).
- R 1 and R 4 each independently represents a hydrogen atom, a hydroxyl group, a halogen atom, a C 1 to C 6 alkyl group, or a C 1 to C 6 alkoxy group, and p represents an integer of 0 to 4]
- Q represents an integer of 0 to 5, and when p and q are 2 or more, R 1 and R 4 may be the same or different from each other.
- R 2 and R 3 each independently represent a hydrogen atom or a C 1 -C 6 alkyl group
- R 5 represents a hydrogen atom, a C 1 -C 6 alkyl group, an optionally substituted phenyl group, or a substituted Represents an optionally substituted benzyl group.
- the present inventors have used, as a developer, a compound obtained by substituting a specific substituent at a specific position in the cinnamic acid amide compound previously found. It has been found that when used, a recording material having an extremely excellent light resistance of the background can be obtained and a recording material having an excellent light resistance of a color image can be obtained. Furthermore, the present invention has been completed by finding that the color image has extremely excellent moisture and heat resistance and can provide an unprecedented recording material that is comprehensively excellent in both the background and the image.
- R 1 to R 3 each independently represents a hydrogen atom or a C 1 to C 4 alkyl group
- R 5 represents a hydrogen atom, a C 1 to C 4 alkyl group, or a C 1 to C 4 alkoxy group.
- R 5 represents a hydrogen atom
- R 4 is a C 1 -C 4 alkyl group
- R 4 is a hydrogen atom
- R 5 is C 1-
- R 4 represents a C 1 -C 4 alkoxy group.
- R 1 to R 3 represent a hydrogen atom
- R 5 represents a hydrogen atom, a C 1 to C 4 alkyl group, or a C 1 to C 4 alkoxy group.
- R 5 is a hydrogen atom
- R 4 is a C 1 -C 4 alkyl group
- R 4 is a hydrogen atom
- R 5 is C 1-
- R 4 represents a C 1 -C 4 alkoxy group.
- R 1 to R 3 each independently represents a hydrogen atom or a C 1 to C 4 alkyl group
- R 5 represents a hydrogen atom, a C 1 to C 4 alkyl group, or a C 1 to C 4 alkoxy group.
- R 5 represents a hydrogen atom
- R 4 is a C 1 -C 4 alkyl group
- R 4 is a hydrogen atom
- R 5 is C 1-
- R 4 represents a C 1 -C 4 alkoxy group.
- a recording material comprising at least one phenolic compound represented by formula (II): (4) a recording material containing a color-forming dye;
- R 1 to R 3 represent a hydrogen atom
- R 5 represents a hydrogen atom, a C 1 to C 4 alkyl group, or a C 1 to C 4 alkoxy group.
- R 5 is a hydrogen atom
- R 4 is a C 1 -C 4 alkyl group
- R 4 is a hydrogen atom
- R 5 is C 1-
- R 4 represents a C 1 -C 4 alkoxy group.
- a specific cinnamic amide phenol compound when used as a developer, it has an unprecedented background and image preservability, in particular, light resistance of the background, light resistance of the image, heat and moisture resistance. In any of these cases, a recording material that is extremely excellent in practical use can be obtained.
- the recording material of the present invention comprises a color-forming dye and a formula (I)
- R 1 to R 3 each independently represents a hydrogen atom or a C 1 to C 4 alkyl group
- R 5 represents a hydrogen atom, a C 1 to C 4 alkyl group, or a C 1 to C 4 alkoxy group.
- R 5 represents a hydrogen atom
- R 4 is a C 1 -C 4 alkyl group
- R 4 is a hydrogen atom
- R 5 is C 1-
- R 4 represents a C 1 -C 4 alkoxy group.
- the recording material contains at least one of the phenolic compounds represented by formula (II), it can be used for any application, for example, a thermal recording material or a pressure-sensitive copying material.
- the formula (II) wherein the substitution position of the phenolic hydroxyl group is limited to the 4-position
- R 1 to R 3 represent a hydrogen atom
- R 5 represents a hydrogen atom, a C 1 to C 4 alkyl group, or a C 1 to C 4 alkoxy group.
- R 5 is a hydrogen atom
- R 4 is a C 1 -C 4 alkyl group
- R 5 is a hydrogen atom
- R 5 is C 1-
- R 4 represents a C 1 -C 4 alkoxy group.
- R 2 to R 5 represent the same meaning as described above, and Y represents a halogen atom such as a chlorine atom or a bromine atom.
- Y represents a halogen atom such as a chlorine atom or a bromine atom.
- the compound represented by the formula (I) which is the compound of the present invention has a geometric isomer as shown below, and only one of the isomers is obtained depending on the reaction conditions and the purification method. Or as a mixture of isomers. All of these isomers are included in the scope of the present invention.
- R 1 to R 3 are each independently a hydrogen atom; methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group, t-butyl group, etc. And C 1 -C 4 alkyl groups. Particularly preferred is a case where R 1 to R 3 are all hydrogen atoms.
- R 4 represents a hydrogen atom; a C 1 -C 4 alkyl group such as methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group, t-butyl group; methoxy group, ethoxy group And C 1 -C 4 alkoxy groups such as n-propoxy group, isopropoxy group, n-butoxy group, sec-butoxy group and t-butoxy group.
- R 4 is always C 1 ⁇ C 4 alkyl group when R 5 is a hydrogen atom, if R 5 is an alkyl group are always hydrogen atom, if R 5 is an alkoxy group always alkoxy group is there.
- R 5 represents a hydrogen atom; a C 1 -C 4 alkyl group such as methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group, t-butyl group; methoxy group, ethoxy group And C 1 -C 4 alkoxy groups such as n-propoxy group, isopropoxy group, n-butoxy group, sec-butoxy group and t-butoxy group.
- a sensitizer, an anti-adhesive agent, an antifoaming agent, a light stabilizer, a fluorescent brightening agent, and the like can be contained alone or in combination as required.
- the amount of each used is usually in the range of 0.1 to 15 parts by weight, preferably 1 to 10 parts by weight with respect to 1 part by weight of the color forming dye.
- these chemicals may be contained in the coloring layer, but in the case of a multilayer structure, for example, they may be contained in an arbitrary layer such as a protective layer.
- these layers can contain an antioxidant, a light stabilizer and the like.
- an antioxidant and a light stabilizer can be contained in these layers in the form of microcapsules if necessary.
- Examples of the chromogenic dye used in the recording material of the present invention include leuco dyes such as fluorane, phthalide, lactam, triphenylmethane, phenothiazine, and spiropyran, but are not limited thereto. Any color developing dye that develops color by contact with a developer that is an acidic substance can be used. In addition, these color-forming dyes are used alone to produce a recording material having the color to be developed, but two or more of them can be used in combination. For example, it is possible to produce a recording material that develops true black color by mixing red, blue, and green primary color developing dyes or black coloring dyes.
- fluorane-based color-forming dyes examples include 3,3-bis (p-dimethylaminophenyl) -phthalide and 3,3-bis (p-dimethylaminophenyl) -6-dimethylaminophthalide (also known as crystal violet lactone).
- coloring dyes 3,3-bis (p-dimethylaminophenyl) -6-dimethylaminophthalide, 3-cyclohexylamino-6-chlorofluorane, 3-diethylamino-7-chlorofluorane, 3- Diethylamino-6,8-dimethylfluorane, 3-diethylamino-7-methylfluorane, 3-diethylamino-7,8-benzfluorane, 3-diethylamino-6-methyl-7-chlorofluorane, 3-dibutylamino -6-methyl-7-bromofluorane, 3-diethylamino-7- (o-chloroanilino) fluorane, 3-dibutylamino-7- (o-chloroanilino) fluorane, 3-N-methyl-N-cyclohexylamino-6 -Methyl-7-anilinofluorane, 3- (N, N-
- the near infrared absorbing dye 3- [4- [4- (4-anilino) -anilino] anilino] -6-methyl-7-chlorofluorane, 3,3-bis [2- (4- Dimethylaminophenyl) -2- (4-methoxyphenyl) vinyl] -4,5,6,7-tetrachlorophthalide, 3,6,6'-tris (dimethylamino) spiro (fluorene-9,3'- Phthalide) and the like.
- the compound represented by the formula (I) of the present invention is suitably used as a developer mainly in heat-sensitive recording materials, but may be used alone or in combination with a plurality of known developers. Also good.
- the ratio is arbitrary. Specific examples of the other developer include the following.
- Bisphenol A 4,4′-sec-butylidene bisphenol, 4,4′-cyclohexylidene bisphenol, 2,2′-bis (4-hydroxyphenyl) -3,3′-dimethylbutane, 2,2′- Dihydroxydiphenyl, pentamethylene-bis (4-hydroxybenzoate), 2,2-dimethyl-3,3-di (4-hydroxyphenyl) pentane, 2,2-di (4-hydroxyphenyl) hexane, 2,2- Bis (4-hydroxyphenyl) propane, 2,2-bis (4-hydroxyphenyl) butane, 2,2-bis (4-hydroxy-3-methylphenyl) propane, 4,4 '-(1-phenylethylidene) Bisphenol, 4,4'-ethylidenebisphenol, (hydroxyphenyl) methylphenol, 2,2'-bis (4-hydride) Xyl-3-phenyl-phenyl) propane, 4,4 ′-(1,3-phenylenediisopropylidene) bis
- 4-hydroxy-4'-isopropoxydiphenylsulfone, diphenylsulfone cross-linking compound or a mixture thereof is preferably exemplified.
- Examples of the image storage stabilizer include epoxy group-containing diphenyl sulfones such as 4-benzyloxy-4 ′-(2-methylglycidyloxy) -diphenylsulfone and 4,4′-diglycidyloxydiphenylsulfone; 1,4 -Diglycidyloxybenzene, 4- [ ⁇ - (hydroxymethyl) benzyloxy] -4'-hydroxydiphenylsulfone, 2-propanol derivatives, salicylic acid derivatives, metal salts of oxynaphthoic acid derivatives (especially zinc salts), 2,2 -Metal salt of methylenebis (4,6-t-butylphenyl) phosphate, other water-insoluble zinc compounds, 2,2-bis (4'-hydroxy-3 ', 5'-dibromophenyl) propane, 4,4 Examples include '-sulfonylbis (2,6-dibromophenol).
- sensitizer examples include higher fatty acid amides such as stearamide; benzamide, stearic acid anilide, acetoacetanilide, thioacetanilide; dimethyl phthalate, dibenzyl isophthalate, dimethyl isophthalate, dimethyl terephthalate, diethyl isophthalate, Phthalic acid diesters such as diphenyl isophthalate and dibenzyl terephthalate; dibenzyl oxalate, di (4-methylbenzyl) oxalate, di (4-chlorobenzyl) oxalate, bis (t-butylphenol); 4,4 ′ -Dimethoxydiphenylsulfone, 4,4'-diethoxydiphenylsulfone, 4,4'-dipropoxydiphenylsulfone, 4,4'-diisopropoxydiphenylsulfone, 4,4'-dibutoxydiphenylsulfone
- ethers such as 1,2-bis (3-methylphenoxy) ethane and 2-naphthol benzyl ether, aromatics such as m-terphenyl, 4-benzylphenyl, and di (4-methylbenzyl) oxalate Hydrocarbons can be mentioned, more preferably diphenylsulfone and its derivatives, particularly 4,4′-dihydroxydiphenylsulfone diethers and 2,4′-dihydroxydiphenylsulfone diethers.
- the filler examples include silica, clay, kaolin, calcined kaolin, talc, satin white, aluminum hydroxide, calcium carbonate, magnesium carbonate, zinc oxide, titanium oxide, barium sulfate, magnesium silicate, aluminum silicate, and plastic pigment.
- salts of alkaline earth metals, particularly carbonates such as calcium carbonate and magnesium carbonate can be preferably exemplified.
- dispersant examples include polyvinyl alcohol, saponified polyvinyl alcohol, acetoacetylated polyvinyl alcohol, carboxy-modified polyvinyl alcohol, sulfonic acid-modified polyvinyl alcohol, and the like, polyvinyl alcohol having a polymerization degree, sodium polyacrylate, methylcellulose, and carboxymethylcellulose. , Hydroxyethyl cellulose, polyacrylamide, starch, sulfosuccinic acid esters such as dioctyl sodium sulfosuccinate, sodium dodecylbenzene sulfonate, sodium lauryl alcohol sulfate, fatty acid salts and the like.
- antioxidants examples include 2,2′-methylenebis (4-methyl-6-tert-butylphenol), 2,2′-methylenebis (4-ethyl-6-tert-butylphenol), and 4,4′-propyl.
- Examples of the desensitizing agent include aliphatic higher alcohols, polyethylene glycol, guanidine derivatives and the like, and examples of the anti-adhesive agent include stearic acid, zinc stearate, calcium stearate, carnauba wax, paraffin wax, and ester wax. Etc.
- anti-sticking agent examples include stearic acid, zinc stearate, calcium stearate, carnauba wax, paraffin wax, ester wax and the like.
- antifoaming agent examples include higher alcohols, fatty acid esters, oils, silicones, polyethers, modified hydrocarbons, and paraffins.
- the light stabilizer examples include salicylic acid ultraviolet absorbers such as phenyl salicylate, pt-butylphenyl salicylate, p-octylphenyl salicylate; 2,4-dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2- Hydroxy-4-benzyloxybenzophenone, 2-hydroxy-4-octyloxybenzophenone, 2-hydroxy-4-dodecyloxybenzophenone, 2,2'-dihydroxy-4-methoxybenzophenone, 2,2'-dihydroxy-4,4 Benzophenone ultraviolet absorbers such as' -dimethoxybenzophenone, 2-hydroxy-4-methoxy-5-sulfobenzophenone, bis (2-methoxy-4-hydroxy-5-benzoylphenyl) methane; 2- (2'-hydroxy -5'-methylphenyl) benzotriazole, 2- (2'-hydroxy-5'-t-butylphenyl) benzotriazole, 2-
- each of the fine particles of the compound of the present invention and the fine particles of a chromogenic dye is combined with water-soluble bonds such as polyvinyl alcohol and cellulose. It can be produced by mixing a suspension dispersed in an aqueous solution of the agent, applying it to a support such as paper and drying it.
- the ratio of the compound represented by the formula (I) to the color-forming dye is usually 0.01 to 10 parts by weight, preferably 1 to 10 parts by weight, more preferably 1.5 to 1 part by weight of the color-forming dye.
- the ratio is ⁇ 5 parts by mass.
- the compound of the present invention for pressure-sensitive copying paper, it can be produced in the same manner as in the case of using a known developer or sensitizer.
- a color forming dye microencapsulated by a known method is dispersed with an appropriate dispersant and applied to paper to produce a color forming sheet.
- a developer dispersion is applied to paper to produce a developer sheet.
- the compound of the present invention when used as an image storage stabilizer, it may be used by being dispersed in any dispersion of a color former sheet or a developer sheet.
- a pressure-sensitive copying paper is produced by combining the two sheets thus produced.
- the pressure-sensitive copying paper consists of an upper sheet carrying and supporting microcapsules containing an organic solvent solution of chromogenic dye on the lower surface and a lower sheet carrying and carrying developer (acidic substance) on the upper surface. It may be a unit or a so-called self-content paper in which a microcapsule and a developer are applied on the same paper surface.
- the developer used in this case or the developer used in combination with the compound of the present invention conventionally known ones are used, for example, acid clay, activated clay, apatite, bentonite, colloidal silica, aluminum silicate, Inorganic acidic substances such as magnesium silicate, zinc silicate, tin silicate, calcined kaolin and talc; aliphatic carboxylic acids such as oxalic acid, maleic acid, tartaric acid, citric acid, succinic acid and stearic acid; benzoic acid Acid, phthalic acid, gallic acid, salicylic acid, 3-isopropylsalicylic acid, 3-phenylsalicylic acid, 3-cyclohexylsalicylic acid, 3,5-di-t-butylsalicylic acid, 3-methyl-5-benzylsalicylic acid, 3-phenyl-5 -(2,2-dimethylbenzyl) salicylic acid, 3,5-di- (2-methylbenzyl) salicylic acid
- the support used in the present invention conventionally known paper, synthetic paper, film, plastic film, foamed plastic film, nonwoven fabric, recycled paper such as waste paper pulp, and the like can be used. Moreover, what combined these can also be used as a support body.
- Example 1 (Synthesis of phenol compound: N- (4-hydroxyphenyl) -2,3-dimethoxycinnamoylamide)
- Dichloromethane (200 mL) and 41.6 g (0.20 mol) of 2,3-dimethoxycinnamic acid were added to a 500 mL four-necked eggplant type flask equipped with a stirrer and a thermometer.
- Oxalyl chloride 27.9g (0.22mol) and DMF (10 drops) were added here, and reaction was performed at room temperature for 4 hours. The solvent of the resulting solution was distilled off to obtain the corresponding acid chloride.
- Example 4 (Preparation of thermal recording paper) Dye dispersion (liquid A) 3-di-n-butylamino-6-methyl-7-anilinofluorane 16 parts polyvinyl alcohol 10% aqueous solution 84 parts developer dispersion (liquid B) Compound of Example 1 16 parts Polyvinyl alcohol 10% aqueous solution 84 parts Filler dispersion (liquid C) Calcium carbonate 27.8 parts Polyvinyl alcohol 10% aqueous solution 26.2 parts Water 71 parts (parts by weight)
- each mixture of liquids A to C is sufficiently ground with a sand grinder to prepare a dispersion of each component of liquids A to C, and 1 part by weight of liquid A, 2 parts by weight of liquid B, C 4 parts by mass of the liquid was mixed to obtain a coating liquid.
- This coating solution was applied to a white paper using a wire rod (Webster, wire bar No. 12) and dried, and then calendered to produce a thermal recording paper (the coating solution was in dry mass). About 5.5 g / m 2 ).
- Example 5 Thermal paper was prepared by the method described in Example 4 except that the compound of Example 2 was used in place of the compound of Example 1 in the developer dispersion liquid (B solution) of Example 4.
- Example 6 Thermal paper was prepared by the method described in Example 4 except that the compound of Example 3 was used in place of the compound of Example 1 in the developer dispersion liquid (B solution) of Example 4.
- Test 1 Thermal evaluation test-background light resistance test
- a part of the heat-sensitive recording paper prepared in Examples 4 to 6 and Comparative Examples 1 to 3 was cut out, and light resistance was measured using a light resistance tester (Suga Test Instruments Co., Ltd., UV Long Life Fade Meter Model U48). The test was conducted and the background density after 24 hours was measured with a Macbeth reflection densitometer (filter used: # 47). The results are shown in Table 1.
- Test 2 Thermal evaluation test-Image heat resistance
- TH-PMH type manufactured by Okura Electric Co., Ltd.
- THN050FA type low-temperature constant temperature and humidity chamber
- Test 3 Thermal evaluation test-image light resistance
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Abstract
Description
本発明の記録材料は発色性染料と式(I)
特に好ましくはフェノール性水酸基の置換位置が4位に限定された式(II)
本発明で使用する式(I)で表される化合物は、式(III)
以下、式(I)で表されるフェノール性化合物について説明する。
式(I)中、R1~R3としては、それぞれ独立して水素原子;メチル基、エチル基、n-プロピル基、イソプロピル基、n-ブチル基、sec-ブチル基、t-ブチル基等のC1~C4アルキル基を挙げることができる。特に好ましくはR1~R3がすべて水素原子の場合である。
ただし、R4はR5が水素原子の場合は常にC1~C4アルキル基であり、R5がアルキル基の場合は常に水素原子であり、R5がアルコキシ基の場合は常にアルコキシ基である。
N-(4-ヒドロキシフェニル)-2-メチルシンナモイルアミド
N-(4-ヒドロキシフェニル)-3-メチルシンナモイルアミド
N-(4-ヒドロキシフェニル)-2,3-ジメトキシシンナモイルアミド
本発明の記録材料の中には、発色性染料並びに、式(I)で表される化合物以外に公知の顕色剤、画像安定剤、増感剤、填料、分散剤、酸化防止剤、減感剤、粘着防止剤、消泡剤、光安定剤、蛍光増白剤等を必要に応じ1種又は2種以上含有させることができる。それぞれの使用量は、発色性染料1質量部に対して、通常0.1~15質量部、好ましくは1~10質量部の範囲である。
他の顕色剤としては具体的には例えば、次のものが例示できる。
ビスフェノールA、4,4’-sec-ブチリデンビスフェノール、4,4’-シクロヘキシリデンビスフェノール、2,2’-ビス(4-ヒドロキシフェニル)-3,3’-ジメチルブタン、2,2’-ジヒドロキシジフェニル、ペンタメチレン-ビス(4-ヒドロキシベンゾエート)、2,2-ジメチル-3,3-ジ(4-ヒドロキシフェニル)ペンタン、2,2-ジ(4-ヒドロキシフェニル)ヘキサン、2,2-ビス(4-ヒドロキシフェニル)プロパン、2,2-ビス(4-ヒドロキシフェニル)ブタン、2,2-ビス(4-ヒドロキシ-3-メチルフェニル)プロパン、4,4’-(1-フェニルエチリデン)ビスフェノール、4,4’-エチリデンビスフェノール、(ヒドロキシフェニル)メチルフェノール、2,2’-ビス(4-ヒドロキシ-3-フェニル-フェニル)プロパン、4,4’-(1,3-フェニレンジイソプロピリデン)ビスフェノール、4,4’-(1,4-フェニレンジイソプロピリデン)ビスフェノール、2,2-ビス(4-ヒドロキシフェニル)酢酸ブチル等のビスフェノール化合物;4,4’-ジヒドロキシジフェニルチオエーテル、1,7-ジ(4-ヒドロキシフェニルチオ)-3,5-ジオキサヘプタン、2,2’-ビス(4-ヒドロキシフェニルチオ)ジエチルエーテル、4,4’-ジヒドロキシ-3,3’-ジメチルジフェニルチオエーテル等の含硫黄ビスフェノール化合物;4-ヒドロキシ安息香酸ベンジル、4-ヒドロキシ安息香酸エチル、4-ヒドロキシ安息香酸プロピル、4-ヒドロキシ安息香酸イソプロピル、4-ヒドロキシ安息香酸ブチル、4-ヒドロキシ安息香酸イソブチル、4-ヒドロキシ安息香酸クロロベンジル、4-ヒドロキシ安息香酸メチルベンジル、4-ヒドロキシ安息香酸ジフェニルメチル等の4-ヒドロキシ安息香酸エステル類;安息香酸亜鉛、4-ニトロ安息香酸亜鉛等の安息香酸金属塩、4-[2-(4-メトキシフェニルオキシ)エチルオキシ]サリチル酸等のサリチル酸類;サリチル酸亜鉛、ビス[4-(オクチルオキシカルボニルアミノ)-2-ヒドロキシ安息香酸]亜鉛等のサリチル酸金属塩;4,4’-ジヒドロキシジフェニルスルホン、2,4’-ジヒドロキシジフェニルスルホン、4-ヒドロキシ-4’-メチルジフェニルスルホン、4-ヒドロキシ-4’-イソプロポキシジフェニルスルホン、4-ヒドロキシ-4’-ブトキシジフェニルスルホン、4,4’-ジヒドロキシ-3,3’-ジアリルジフェニルスルホン、3,4-ジヒドロキシ-4’-メチルジフェニルスルホン、4,4’-ジヒドロキシ-3,3’,5,5’-テトラブロモジフェニルスルホン、4-アリルオキシ-4’-ヒドロキシジフェニルスルホン、2-(4-ヒドロキシフェニルスルホニル)フェノール、4,4’-スルホニルビス[2-(2-プロペニル)]フェノール、4-[{4-(プロポキシ)フェニル}スルホニル]フェノール、4-[{4-(アリロキシ)フェニル}スルホニル]フェノール、4-[{4-(ベンジロキシ)フェニル}スルホニル]フェノール、2,4-ビス(フェニルスルホニル)-5-メチル-フェノール等のヒドロキシスルホン類;4-フェニルスルホニルフェノキシ亜鉛マグネシウム、アルミニウム、チタン等のヒドロキシスルホン類の多価金属塩類、4-ヒドロキシフタル酸ジメチル、4-ヒドロキシフタル酸ジシクロヘキシル、4-ヒドロキシフタル酸ジフェニル等の4-ヒドロキシフタル酸ジエステル類;2-ヒドロキシ-6-カルボキシナフタレン等のヒドロキシナフトエ酸のエステル類;トリブロモメチルフェニルスルホン等のトリハロメチルスルホン類;4,4’-ビス(p-トルエンスルホニルアミノカルボニルアミノ)ジフェニルメタン、N-(4-メチルフェニルスルホニル)-N’-(3-(4-メチルフェニルスルホニルオキシ)フェニル)ウレア等のスルホニルウレア類;ヒドロキシアセトフェノン、p-フェニルフェノール、4-ヒドロキシフェニル酢酸ベンジル、p-ベンジルフェノール、ハイドロキノン-モノベンジルエーテル、2,4-ジヒドロキシ-2’-メトキシベンズアニリド、テトラシアノキノジメタン類、N-(2-ヒドロキシフェニル)-2-[(4-ヒドロキシフェニル)チオ]アセタミド、N-(4-ヒドロキシフェニル)-2-[(4-ヒドロキシフェニル)チオ]アセタミド、4-ヒドロキシベンゼンスルホンアニリド、4’-ヒドロキシ-4-メチルベンゼンスルホンアニリド、4,4’-ビス(4-メチル-3-フェノキシカルボニル)アミノフェニルウレイド))ジフェニルスルホン、3-(3-フェニルウレイド)ベンゼンスルホンアニリド、オクタデシルリン酸、ドデシルリン酸;又は下記式で表されるジフェニルスルホン架橋型化合物若しくはそれらの混合物等が挙げられる。
本発明を感熱記録紙に使用する場合には、既知の使用方法と同様に行えばよく、例えば、本発明の化合物の微粒子及び発色性染料の微粒子のそれぞれをポリビニルアルコールやセルロース等の水溶性結合剤の水溶液中に分散された懸濁液を混合して紙等の支持体に塗布して乾燥することにより製造できる。
(フェノール化合物の合成:N-(4-ヒドロキシフェニル)-2,3-ジメトキシシンナモイルアミド)
攪拌機、温度計を備えた500mLの4つ口ナス型フラスコにジクロロメタン(200mL)と2,3-ジメトキシ桂皮酸41.6g(0.20mol)を加えた。ここにオキザリルクロライド27.9g(0.22mol)とDMF(10滴)を添加し、室温で4時間反応を行った。得られた溶液の溶媒を留去し、対応する酸クロライドを得た。続いて、攪拌機、温度計を備えた1Lの4つ口ナス型フラスコに4-アミノフェノール24.0g(0.22mol)、炭酸水素ナトリウム18.5g(0.22mol)をアセトン(600mL)と蒸留水(200mL)の混合溶媒に溶解させた。ここにジクロロメタン(120mL)に溶解した酸クロライドを氷浴下にて滴下し、18時間反応を行った。溶媒留去後に得られた結晶を濾別し、70℃にて減圧乾燥して収量28.3gで得た。
融点208~210℃
1H-NMR(DMSO,δppm):3.80(s,3H),3.82(s,3H),6.80(td,1H),6.87-6.95(m,2H),7.00(d,1H),7.06(d,1H),7.18(dd,1H),7.26(d,1H),7.50(d,1H),7.95(d,1H),9.35(brs,1H)
(フェノール化合物の合成:N-(4-ヒドロキシフェニル)-3-メチルシンナモイルアミド)
攪拌機、温度計を備えた500mLの4つ口ナス型フラスコにジクロロメタン(200mL)と3-メチル桂皮酸32.4g(0.20mol)を加えた。ここにオキザリルクロライド27.9g(0.22mol)とDMF(10滴)を添加し、室温で4時間反応を行った。得られた溶液の溶媒を留去し、対応する酸クロライドを得た。続いて、攪拌機、温度計を備えた1Lの4つロナス型フラスコに4-アミノフェノール24.0g(0.22mol)、炭酸水素ナトリウム18.5g(0.22mol)をアセトン(600mL)と蒸留水(200mL)の混合溶媒に溶解させた。ここにジクロロメタン(120mL)に溶解した酸クロライドを氷浴下にて滴下し、18時間反応を行った。溶媒留去後に得られた結晶を濾別し、70℃にて減圧乾燥して収量14.4gで得た。
融点207~208℃
1H-NMR(DMSO,δppm):3.39(s,3H),6.72(d,2H),6.78(d,1H),7.20(d,1H),7.32(t,1H),7.38-7.41(m,2H),7.48(dd,3H),9.25(brs,1H)
(フェノール化合物の合成:N-(4-ヒドロキシフェニル)-2-メチルシンナモイルアミド)
攪拌機、温度計を備えた500mLの4つ口ナス型フラスコにジクロロメタン(200mL)と2-メチル桂皮酸9.7g(0.06mol)を加えた。ここにオキザリルクロライド9.2g(0.07mol)とDMF(10滴)を添加し、室温で4時間反応を行った。得られた溶液の溶媒を留去し、対応する酸クロライドを得た。続いて、攪拌機、温度計を備えた1Lの4つロナス型フラスコに4-アミノフェノール7.2g(0.07mol)、炭酸水素ナトリウム5.6g(0.07mol)をアセトン(120mL)と蒸留水(30mL)の混合溶媒に溶解させた。ここにジクロロメタン(120mL)に溶解した酸クロライドを氷浴下にて滴下し、18時間反応を行った。溶媒留去後に得られた結晶を濾別し、70℃にて減圧乾燥して収量5.0gで得た。
融点192~194℃
1H-NMR(DMSO,δppm):2.41(s,3H),6.71(d,1H),6.75(d,2H),7.20-7.35(m,3H)7.52(d,2H),7.58(m,1H),7.77(d,1H),9.25(brs,1H)
(感熱記録紙の作製)
染料分散液(A液)
3-ジ-n-ブチルアミノ-6-メチル-7-アニリノフルオラン 16部
ポリビニルアルコール10%水溶液 84部
顕色剤分散液(B液)
実施例1の化合物 16部
ポリビニルアルコール10%水溶液 84部
填料分散液(C液)
炭酸カルシウム 27.8部
ポリビニルアルコール10%水溶液 26.2部
水 71部
(部は質量部)
実施例4の顕色剤分散液(B液)中、実施例1の化合物の代わりに実施例2の化合物を用いた以外は、実施例4に記載の方法で感熱紙を作製した。
実施例4の顕色剤分散液(B液)中、実施例1の化合物の代わりに実施例3の化合物を用いた以外は、実施例4に記載の方法で感熱紙を作製した。
実施例4の顕色剤分散液(B液)中、実施例1の化合物の代わりに(E)-N-(2-ヒドロキシフェニル)シンナモイルアミド(特開2003-305959号の実施例1の化合物)を用いた以外は、実施例4に記載の方法で感熱紙を作製した。
実施例4の顕色剤分散液(B液)中、実施例1の化合物の代わりに(E)-N-(3-ヒドロキシフェニル)シンナモイルアミド(特開2003-305959号の実施例2の化合物)を用いた以外は、実施例4に記載の方法で感熱紙を作製した。
実施例4の顕色剤分散液(B液)中、実施例1の化合物の代わりに(E)-N-(4-ヒドロキシフェニル)シンナモイルアミド(特開2003-305959号の実施例3の化合物)を用いた以外は、実施例4に記載の方法で感熱紙を作製した。
(感熱評価試験-地肌耐光性試験)
実施例4~6、比較例1~3で作製した感熱記録紙の一部を切り取り、耐光性試験機(スガ試験機(株)製、紫外線ロングライフフェードメーターU48型)を使用して耐光性試験を行い、24時間後の地肌濃度をマクベス反射濃度計で測定した(使用フィルター:#47)。その結果を第1表に示した。
(感熱評価試験-画像耐湿熱性)
実施例4~6、比較例1~3で作製した感熱記録紙の一部を切り取り、感熱紙発色試験装置(大倉電気製TH-PMH型)を使用し、1ドットあたり0.72mjの条件で発色させた。その発色画像について耐湿熱性試験器(アドバンテック東洋(株)製、低温恒温恒湿器THN050FA型)を使用して耐湿熱性試験を行い、24時間後の発色画像濃度をマクベス反射濃度計(使用フィルター:#106)で測定し、初期状態からの残存率を算出した。その結果を第1表に示した。
(感熱評価試験-画像耐光性)
実施例4~6、比較例1~3で作製した感熱記録紙の一部を切り取り、感熱紙発色試験装置(大倉電気製TH-PMH型)を使用し、1ドットあたり0.72mjの条件で発色させた。その発色画像について耐光性試験機(スガ試験機(株)製、紫外線ロングライフフェードメーターU48型)を使用して耐光性試験を行い、24時間後の発色画像濃度をマクベス反射濃度計(使用フィルター:#106)で測定し、初期状態からの残存率を算出した。その結果を第1表に示した。
Claims (4)
Priority Applications (7)
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CN201080006160.7A CN102300841B (zh) | 2009-02-03 | 2010-02-01 | 酚性化合物和记录材料 |
ES10738327.5T ES2471366T3 (es) | 2009-02-03 | 2010-02-01 | Compuesto fen�lico y material de registro |
JP2010549385A JP5258909B2 (ja) | 2009-02-03 | 2010-02-01 | フェノール性化合物および記録材料 |
US13/138,301 US8529688B2 (en) | 2009-02-03 | 2010-02-01 | Phenolic compound and recording material |
EP10738327.5A EP2394985B1 (en) | 2009-02-03 | 2010-02-01 | Phenolic compound and recording material |
BRPI1007208A BRPI1007208B1 (pt) | 2009-02-03 | 2010-02-01 | composto fenólico, e, material de gravação contendo um composto de formação de cor. |
KR1020117017578A KR101342799B1 (ko) | 2009-02-03 | 2010-02-01 | 페놀성 화합물 및 기록 재료 |
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US (1) | US8529688B2 (ja) |
EP (1) | EP2394985B1 (ja) |
JP (1) | JP5258909B2 (ja) |
KR (1) | KR101342799B1 (ja) |
CN (1) | CN102300841B (ja) |
BR (1) | BRPI1007208B1 (ja) |
ES (1) | ES2471366T3 (ja) |
TW (1) | TWI402250B (ja) |
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Cited By (2)
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JP2014151611A (ja) * | 2013-02-13 | 2014-08-25 | Oji Holdings Corp | 感熱記録体 |
JP2016117719A (ja) * | 2010-09-01 | 2016-06-30 | 日本曹達株式会社 | フェノール性化合物を用いた記録材料 |
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EP2484534B1 (en) * | 2009-09-29 | 2019-01-16 | Nippon Soda Co., Ltd. | Recording material using phenolic compound |
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- 2010-02-01 TW TW099102872A patent/TWI402250B/zh not_active IP Right Cessation
- 2010-02-01 BR BRPI1007208A patent/BRPI1007208B1/pt not_active IP Right Cessation
- 2010-02-01 WO PCT/JP2010/000573 patent/WO2010089984A1/ja active Application Filing
- 2010-02-01 EP EP10738327.5A patent/EP2394985B1/en not_active Not-in-force
- 2010-02-01 CN CN201080006160.7A patent/CN102300841B/zh not_active Expired - Fee Related
- 2010-02-01 KR KR1020117017578A patent/KR101342799B1/ko active IP Right Grant
- 2010-02-01 US US13/138,301 patent/US8529688B2/en active Active
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JP2014151611A (ja) * | 2013-02-13 | 2014-08-25 | Oji Holdings Corp | 感熱記録体 |
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JPWO2010089984A1 (ja) | 2012-08-09 |
US8529688B2 (en) | 2013-09-10 |
BRPI1007208A2 (pt) | 2016-02-23 |
EP2394985A4 (en) | 2012-07-25 |
EP2394985A1 (en) | 2011-12-14 |
TWI402250B (zh) | 2013-07-21 |
KR101342799B1 (ko) | 2013-12-19 |
JP5258909B2 (ja) | 2013-08-07 |
CN102300841B (zh) | 2014-03-12 |
ES2471366T3 (es) | 2014-06-26 |
EP2394985B1 (en) | 2014-05-07 |
TW201031628A (en) | 2010-09-01 |
CN102300841A (zh) | 2011-12-28 |
KR20110099775A (ko) | 2011-09-08 |
US20110308429A1 (en) | 2011-12-22 |
BRPI1007208B1 (pt) | 2018-05-08 |
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