WO2005000973A1 - ペンツイミダゾロン化合物 - Google Patents
ペンツイミダゾロン化合物 Download PDFInfo
- Publication number
- WO2005000973A1 WO2005000973A1 PCT/JP2004/009224 JP2004009224W WO2005000973A1 WO 2005000973 A1 WO2005000973 A1 WO 2005000973A1 JP 2004009224 W JP2004009224 W JP 2004009224W WO 2005000973 A1 WO2005000973 A1 WO 2005000973A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pigment
- compound
- paint
- crystal
- red
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B57/00—Other synthetic dyes of known constitution
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
- C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
- C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
- C07D235/06—Benzimidazoles; Hydrogenated benzimidazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
- C07D235/16—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
- C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
- C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
- C07D235/24—Benzimidazoles; Hydrogenated benzimidazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
- C07D235/26—Oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0025—Crystal modifications; Special X-ray patterns
Definitions
- the present invention relates to a benzimidazolone compound useful as a pigment having a single structural formula, a plurality of hues, and excellent dispersibility in a binder resin.
- a red and yellow intermediate color paint has a yellow hue, such as a diketovirolopyrrole-based pigment, a quinacridone-based pigment, and a diaminoanthraquinone-based pigment having a red hue.
- Pigments having different structural formulas from azo pigments, isoindoline pigments, isoindolinone pigments and the like will be used in combination.
- a pigment dispersant is added to the paint.
- the most suitable pigment dispersant often differs for each pigment structural formula, when a plurality of pigments having different structural formulas are used to produce an intermediate color, a plurality of pigment dispersants are used. .
- the most suitable pigment dispersant for one pigment may adversely affect the dispersibility of the other pigment used at the same time, resulting in reduced dispersion stability and aggregation. did Therefore, when two or more pigment dispersants are used in combination, it is necessary to pay close attention to the combination.
- these benzimidazolone compounds When these benzimidazolone compounds have a naphthalene ring in the molecule, they are known to be pigments having a red to brown hue (the exemplified compound (2) is red). In addition, it is known that when the compound does not have a naphthalene ring, it becomes a pigment having a hue from yellow to orange (the compound (3) shown as an example is yellow).
- An object of the present invention is to provide a benzimidazolone compound having a single structural formula, having a plurality of hues, and being useful as a pigment having good dispersibility in a binder resin.
- a benzimidazolone compound having a single structural formula having a plurality of hues, and being useful as a pigment having good dispersibility in a binder resin.
- An object of the present invention is to provide a benzimidazolone compound which is less likely to aggregate even when used in combination of two or more thereof and is useful as a pigment.
- the inventors of the present invention based on the idea that if a compound having a single structural formula exhibits a plurality of hues, even if the compounds are mixed to produce an intermediate color, the aggregation of the pigment can be suppressed.
- a benzimidazolone compound having a functional group capable of forming three six-membered rings having a planar structure by intramolecular hydrogen bonding has a single structure. It has been found that the formula has a plurality of hues even though it is a formula.
- this benzimidazolone compound uses a single hue ⁇ : regardless of whether it is used in combination with a compound having a different hue, without adding a pigment dispersant, and has a dispersion stability that does not cause varnish separation. It was found that an excellent paint was obtained.
- the present invention provides a benzimidazolone compound represented by the following general formula (1).
- I 1, R 2, R 3 ⁇ Pi R 4 are each independently a hydrogen atom, an alkyl group, or an alkoxy group having carbon atoms 1 to 5 carbon atoms 1-5, 1-5
- 16 Each independently represents an alkyl group having 1 to 5 carbon atoms.
- the benzimidazo compound represented by the general formula (1) of the present invention has excellent dispersion stability without adding a pigment dispersant. It is useful as a coloring pigment for inks and color filters.
- the compound in which RR 2 , R 3 and R 4 in the general formula (1) are all hydrogen atoms, and R 5 and R 6 are methyl groups has a single structural formula, Due to their different crystal structures, they have different hues such as vivid red, yellow, magenta, and bluish red. It is very useful to use a combination of two or more of them, since aggregation of the pigment can be suppressed.
- FIG. 1 is an X-ray diffraction pattern of the type crystal of the compound (1H) of the present invention obtained in Example 1.
- FIG. 2 is an X-ray diffraction diagram of a type 3 crystal of the compound (1H) of the present invention obtained in Example 2.
- FIG. 3 is an X-ray diffraction diagram of the ⁇ -type crystal of the compound (1H) of the present invention obtained in Example 3.
- FIG. 4 is an X-ray diffraction diagram of the ⁇ -type crystal of the compound (1H) of the present invention obtained in Example 4.
- a benzimidazolone compound in which R 1 and R 4 are the same group and R 2 and R 3 are the same group is one equivalent of a compound represented by the following general formula (4)
- compound (4) one equivalent of a compound represented by the following general formula (5)
- compound (6) one equivalent of the following general formula (6)
- compound (6) is represented by 1,3-dimethyl-2-imidazolidinone, dimethyl sulfoxide, ⁇ , ⁇ -dimethylformamide, ⁇ -methyl-2
- each of 15 and 16 independently represents a z-alkyl group having 1 to 5 carbon atoms.
- 1 3 ⁇ Pi 1 4 are each independently a hydrogen atom, alkyl carbon atoms 1-5 And represents an alkoxy group having 1 to 5 carbon atoms.
- a force ⁇ in which R 1 and R 4 are different groups or a benzimidazolone compound in which R 2 and R 3 are different groups are obtained under the same reaction conditions as in the above-mentioned synthesis method 1.
- One equivalent of the compound (4) was reacted with one equivalent of the compound (5), and the reaction product was reacted with the compound (6).
- the resulting reaction product was cooled to room temperature and precipitated.
- the crystals can be obtained by filtering, washing, drying and pulverizing by usual methods.
- Compound (7) J a compound represented by the following formula (7) wherein R 1 R 2 , R 3 and R 4 are all hydrogen atoms and R 5 and R 6 are methyl groups (hereinafter, referred to as “ Compound (7) J is preferred because it has a single structural formula and can obtain the following four crystal forms of ⁇ -type crystal, 3-type crystal, ⁇ -type crystal and ⁇ -type crystal.
- Cu-Ka characteristics Bragg angle to X-ray 20 is 9.9 ⁇ O.2 °, 12.8 Sat 0.2 °, 15.0 ⁇ 0.2 ° and 25.0 ⁇ 0.2 ° Has a diffraction peak.
- the red crystal By heating the ⁇ -form crystal in ⁇ , ⁇ -dimethylformamide at a temperature of 60 to 120 ° C., the red crystal gradually changes to a yellow crystal. After heating for 6 hours or more, it can be obtained by cooling to room temperature, and performing filtration, washing and drying in a usual manner.
- a-type crystal is combined with a grinding medium of a water-soluble inorganic salt such as sodium chloride and sodium sulfate and a liquid grinding aid such as diethylene glycol together with a mechanical shear force such as a ball mill, an attritor, a vibration mill, and a kneader.
- a mechanical shear force such as a ball mill, an attritor, a vibration mill, and a kneader.
- the milled and kneaded material is dissolved in a grinding medium and a liquid milling aid to dissolve the crystals, deflocculated in a solvent, filtered, washed, and washed in a usual manner. It can be obtained by drying and grinding.
- Characteristic Bragg angle 20 with respect to X-ray is 12.8 ⁇ 0.2 °, 15.8 ⁇ 0.2. , 25.0 ⁇ 0.2 ° and 26.5 ⁇ 0.2 °.
- the compound (7) has one aromatic ring at the center of the structural formula.
- the two amino groups and the O-carbonyl group in the two carboxylic acid ester groups bonded to this aromatic ring form hydrogen bonds in the molecule, respectively, they form three consecutive six-membered rings including the central aromatic ring.
- the planes formed by these three six-membered agricultures are considered to be chromophores, resulting in red-colored crystals ( ⁇ -type crystals, ⁇ -type crystals, and ⁇ -type crystals).
- Example 1 the red a-type crystal obtained in Example 1 was irradiated with Cu—K rays under the following conditions using an X-ray diffractometer “RI NT Ultima 10” manufactured by Rigaku Corporation. Powder X-ray diffraction analysis was performed. Power consumption: 40 kV, 3 OmA
- Emitting slit 0.3 mm
- FIG. 1 shows an X-ray diffraction pattern obtained by the above powder X-ray diffraction analysis.
- the red ⁇ -type crystal of the compound (7) has a Bragg angle 20 of 9.9 ⁇ 0.2 °, 12.8 ⁇ 0.2 °, 15.0 ⁇ 0. It had a diffraction peak at 2 ° and 25.0 ° 0.2 °.
- the obtained yellow 13-type crystal was subjected to powder X-ray diffraction analysis in the same manner as for the red model crystal obtained in Example 1.
- Figure 2 shows the X-ray diffraction pattern.
- This crystal unlike the ⁇ -type crystal, has a Bragg angle of 14.3 ⁇ 0.2 °, 16.6 ⁇ 0.2 °, 24.2 ⁇ 0.2 for Cu-Kct characteristic X-rays. And had a diffraction peak at 24.8 ⁇ 0.2 °.
- the obtained red-purple ⁇ -type crystal was subjected to powder X-ray diffraction analysis in the same manner as for the red a-type crystal obtained in Example 1.
- Figure 3 shows the X-ray diffraction pattern. This crystal is different from the H-type and 13-type crystals. 2 ⁇ to 9.9 ⁇ 0.2 °, 14.3 ⁇ 0.2 °, 16.3 Sat 0.2 °, 24.5 ⁇ 0.2 ° and 26.0 ⁇ 0.2 ° It had a diffraction peak.
- Table 1 summarizes the hues and the Cu-Ka characteristic X-ray peaks of the four crystal types obtained in Examples 1 to 4 above.
- Acrylic resin for baking paint product name “Becsol j-1 524—I ⁇ —60” manufactured by Dainippon Ink and Chemicals, Inc.
- 70% and melamine resin product manufactured by Dainippon Ink and Chemicals, Inc.
- a coating material (2) was obtained in the same manner as in Example 5 except that the ⁇ - type crystal used in Example 5 was replaced with the type 3 crystal obtained in Example 2.
- Example 5 Five parts of the paint (1) obtained in Example 5 and 5 parts of the paint (2) obtained in Example 6 were mixed to obtain 10 parts of a mixed paint (1).
- Example 5 The rhombic crystal used in Example 5 was replaced with a red pigment (product name “Ilgajin DPP Re d BOj (C.I. Pigment Red 254) manufactured by Ciba 'Specialty' Chemicals Co., Ltd.): Hereinafter,“ DP P_BO ” A paint (3) was obtained in the same manner as in Lonely Example 5, except that the above procedure was repeated.
- a red pigment product name “Ilgajin DPP Re d BOj (C.I. Pigment Red 254) manufactured by Ciba 'Specialty' Chemicals Co., Ltd.
- Example 5 The ⁇ -form crystal used in Example 5 was converted to a red pigment (Clariant Japan Co., Ltd., product name “NOVOPERM RED HFT” manufactured by h (C.I. Pigment Red 175): Compound (2)).
- a paint (4) was obtained in the same manner as in Example 5 except that the above was replaced with “HFT”.
- Example 5 A yellow pigment (product name "SYMULER FAST YELLOW 41 92J (C.I.Pigment Yellow 154)" manufactured by Dai Nippon Ink & Chemicals, Inc. Neshichi) used in Example 5 was converted to a yellow pigment. In the same manner as in Example 5, except that the above was replaced with “4 192”), a paint (5) was obtained.
- the volume average particle diameter of the pigment in the paint immediately after preparation was measured using a microtrack particle size distribution analyzer manufactured by Nikkiso Co., Ltd. The measurement was performed using a fixed device “UPA 150”. After leaving these paints at room temperature for one day, the volume average particle diameter of the pigment in the paints was measured in the same manner. Furthermore, the difference in the volume average particle diameter ( ⁇ average particle diameter) was calculated by subtracting the volume average particle diameter immediately after preparing the coating from the volume average particle diameter after the coating was left for one day. Using the ⁇ average particle diameter, the cohesion was evaluated according to the following evaluation criteria.
- A ⁇ average particle diameter less than 0.2 ⁇ m
- B ⁇ average particle diameter S 0.2 ⁇ m or more Evaluation of paint varnish separation
- Table 2 summarizes the evaluation results of the paints obtained in Examples 5 to 7 and Comparative Examples 1 to 5 described above.
- Example 7 From the results of Example 7, it was found that when the paint using the a-type crystal of the benzimidazolone compound of the present invention and the paint using the i3-type crystal were not mixed, aggregation of the pigment and varnish separation did not occur.
- Comparative Example 5 is an example in which a paint (4) using HFT, which is a general pigment, and a paint (5) using 4192 having a similar structural formula to HFT were mixed. Pigment aggregation and varnish separation were found to occur.
- the average particle size of the pigment in the coating (4) using HFT was 0.87 / _im, and the average particle size of the pigment in the coating (5) using 4192 was 1.55 ⁇ .
- the average particle diameter of the pigment in the mixed paint (3) obtained by mixing these paints in equal amounts is expected to be 1.21 ⁇ , which is the average of these average particle diameters.
- the measured average particle size immediately after mixing these two paints was 1.89 ⁇ m, so it is probable that facial clumping occurred immediately after mixing these two paints.
- the benzimidazolone compound represented by the general formula (1) of the present invention has excellent dispersion stability without adding a pigment dispersant. It is useful as a coloring pigment for ink-jet inks and color filters.
- a compound in which R 1 R 2 , R 3 and R 4 in the general formula (1) are all hydrogen atoms and R 5 and R 6 are methyl groups has a single structure although it is a formula, it has different hues such as vivid red, yellow, magenta, and bluish red due to the difference in its crystal structure. Even when two or more pigments having different hues are used in combination, it is very useful because aggregation of the pigment can be suppressed.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Developing Agents For Electrophotography (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE602004012262T DE602004012262T2 (de) | 2003-06-26 | 2004-06-23 | Benzimidazolonverbindung |
US10/534,126 US7371870B2 (en) | 2003-06-26 | 2004-06-23 | Benzimidazolone compound |
EP04746693A EP1637567B1 (en) | 2003-06-26 | 2004-06-23 | Benzimidazolone compound |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-182574 | 2003-06-26 | ||
JP2003182574 | 2003-06-26 | ||
JP2003329835 | 2003-09-22 | ||
JP2003-329835 | 2003-09-22 | ||
JP2003-429203 | 2003-12-25 | ||
JP2003429203 | 2003-12-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005000973A1 true WO2005000973A1 (ja) | 2005-01-06 |
Family
ID=33556155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/009224 WO2005000973A1 (ja) | 2003-06-26 | 2004-06-23 | ペンツイミダゾロン化合物 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7371870B2 (ja) |
EP (1) | EP1637567B1 (ja) |
KR (1) | KR100704879B1 (ja) |
DE (1) | DE602004012262T2 (ja) |
TW (1) | TWI300087B (ja) |
WO (1) | WO2005000973A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7883574B2 (en) * | 2008-03-07 | 2011-02-08 | Xerox Corporation | Methods of making nanosized particles of benzimidazolone pigments |
US8025723B2 (en) | 2008-03-07 | 2011-09-27 | Xerox Corporation | Nonpolar liquid and solid phase change ink compositions comprising nanosized particles of benzimidazolone pigments |
US7503973B1 (en) * | 2008-03-07 | 2009-03-17 | Xerox Corporation | Nanosized particles of benzimidazolone pigments |
US8012254B2 (en) | 2008-03-07 | 2011-09-06 | Xerox Corporation | Nanosized particles of benzimidazolone pigments |
US7857901B2 (en) * | 2008-03-07 | 2010-12-28 | Xerox Corporation | Nonpolar liquid and solid phase change ink compositions comprising nanosized particles of benzimidazolone pigments |
US7905954B2 (en) * | 2008-03-07 | 2011-03-15 | Xerox Corporation | Nanosized particles of benzimidazolone pigments |
US7985290B2 (en) * | 2008-03-07 | 2011-07-26 | Xerox Corporation | Nonpolar liquid and solid phase change ink compositions comprising nanosized particles of benzimidazolone pigments |
US7938903B2 (en) * | 2008-03-07 | 2011-05-10 | Xerox Corporation | Nanosized particles of benzimidazolone pigments |
US20110165259A1 (en) * | 2008-09-19 | 2011-07-07 | Activus Pharma Co., Ltd. | Composite organic compound powder for medical use, method for producing same and suspension of same |
US8362270B2 (en) | 2010-05-11 | 2013-01-29 | Xerox Corporation | Self-assembled nanostructures |
US8703988B2 (en) | 2010-06-22 | 2014-04-22 | Xerox Corporation | Self-assembled nanostructures |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62101655A (ja) * | 1985-10-30 | 1987-05-12 | Mitsubishi Chem Ind Ltd | 樹脂用着色材 |
JP2001172520A (ja) * | 1999-12-20 | 2001-06-26 | Toyo Ink Mfg Co Ltd | 顔料分散剤、顔料組成物および顔料分散体 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4526650B2 (ja) * | 1999-04-22 | 2010-08-18 | クラリアント ファイナンス (ビーブイアイ) リミティド | 固溶体 |
DE10052858A1 (de) * | 2000-10-24 | 2002-04-25 | Clariant Gmbh | Mischkristalle aus Benzimidazolondioxazin-Verbindungen |
-
2004
- 2004-06-23 DE DE602004012262T patent/DE602004012262T2/de not_active Expired - Lifetime
- 2004-06-23 WO PCT/JP2004/009224 patent/WO2005000973A1/ja active IP Right Grant
- 2004-06-23 US US10/534,126 patent/US7371870B2/en not_active Expired - Fee Related
- 2004-06-23 EP EP04746693A patent/EP1637567B1/en not_active Expired - Lifetime
- 2004-06-23 KR KR1020057009423A patent/KR100704879B1/ko not_active IP Right Cessation
- 2004-06-24 TW TW093118222A patent/TWI300087B/zh active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62101655A (ja) * | 1985-10-30 | 1987-05-12 | Mitsubishi Chem Ind Ltd | 樹脂用着色材 |
JP2001172520A (ja) * | 1999-12-20 | 2001-06-26 | Toyo Ink Mfg Co Ltd | 顔料分散剤、顔料組成物および顔料分散体 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1637567A4 * |
Also Published As
Publication number | Publication date |
---|---|
TW200508326A (en) | 2005-03-01 |
US20060058531A1 (en) | 2006-03-16 |
TWI300087B (en) | 2008-08-21 |
EP1637567A1 (en) | 2006-03-22 |
EP1637567A4 (en) | 2006-03-22 |
DE602004012262D1 (en) | 2008-04-17 |
EP1637567B1 (en) | 2008-03-05 |
KR100704879B1 (ko) | 2007-04-09 |
DE602004012262T2 (de) | 2009-03-12 |
US7371870B2 (en) | 2008-05-13 |
KR20050101535A (ko) | 2005-10-24 |
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