WO1996005255A1 - TYPE δ INDANTHRONE BLUE PIGMENT AND PROCESS FOR PRODUCING THE SAME - Google Patents
TYPE δ INDANTHRONE BLUE PIGMENT AND PROCESS FOR PRODUCING THE SAME Download PDFInfo
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- WO1996005255A1 WO1996005255A1 PCT/JP1995/001624 JP9501624W WO9605255A1 WO 1996005255 A1 WO1996005255 A1 WO 1996005255A1 JP 9501624 W JP9501624 W JP 9501624W WO 9605255 A1 WO9605255 A1 WO 9605255A1
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- indanthrone blue
- blue pigment
- indanthrone
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- 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
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- 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
- C09B67/006—Preparation of organic pigments
Definitions
- the present invention relates to a 5-type indanthrone blue pigment exhibiting a blue color with a stronger reddish color than an ⁇ -type indanthrone blue pigment and a method for producing the same.
- Indanthrone are known as four types of crystal structures of types / 3, y and (type 5. Their indanthrones are used as vat dyes, and their crystallinity is only of secondary importance. Among these crystal forms, ⁇ -form is the most stable crystal form, and it is said that all other forms are converted to ⁇ -form by heating to 250 ° C.
- Type indanthrone is made by dissolving indanthrone in sulfuric acid and slowly adding water, and is described as having a large particle size and a greenish gray hue.
- 53-983334 discloses that there are four types of indanthrone, called ⁇ -, y- and y-forms.
- the ⁇ - and / 5-transformations are present in the form metamorphosis, giving a blue color with a green colour, the a form gives a color with a reddish colour, and the ⁇ 5 form has a chromatic value.
- the ⁇ -form is the most stable, and therefore is used as a pigment for coloring varnishes and synthetic resins. It is stated that the transformation is obtained by oxidizing leucoindanthrone with 50 ⁇ (and then carefully drying the residue in vacuum.
- the ⁇ -type indanthrone blue pigment is a beautiful reddish blue pigment, and the copper phthalocyanine pigment is a highly weatherable reddish blue colored silk that does not meet the required performance.
- It has been mainly used in the field of automotive paints.
- the hue or reddish color of the ⁇ -type indanthrone blue pigment when viewed from the front is considered.
- the color is blue, but greenish, not reddish.On the other hand, when viewed obliquely, the coating looks strongly reddish, so-called flip-flop. There is the above problem.
- Indanthrone is considered to have no color value, and ⁇ 5 type indanthrone lacks stability as a coloring material due to its unstable crystal type.
- a pigment When used as a pigment, it was thought to cause problems such as thermal discoloration and temporal discoloration. Therefore, in order to produce a strong reddish blue color, for example, a method of mixing a phthalocyanine-based blue pigment with another purple or red pigment has to be adopted.
- the method using pigments with different chemical structures in combination is inferior in coloring power and transparency, causing color turbidity, color separation, poor weather resistance, flip-flop, etc. was unable to provide a satisfactory color.
- the problem to be solved by the present invention is to provide a pigment which is excellent in crystal stability, weather resistance and dispersibility and has a clear strong reddish blue hue.
- the present inventors investigated the relationship between the size of the crystal particle size of the red-type indanthrone blue pigment and the reddish color, and reduced the reduction of the red-type indanthrone blue pigment.
- the operation of adding the pigment carrier liquid to the oxidizing solution by accident occurs when the pigment is prepared.
- a pigment of indanthromble showing a clear strong reddish blue hue was obtained.
- a 5-type indanthrone blue pigment having an average primary particle diameter of 0.5 "m or less and (2) a 5-type indanthrone blue pigment and a titanium dioxide pigment are used.
- the hue angle H was 275 to 2 when the color of a melamine alkyd coating film containing 1 to 20 by weight and containing 9.6% by weight of the pigment in the solid content was measured. 8 of 3 ⁇ Nia is, to provide a chroma C * value of Ru der 2 greater than or equal to 0 ⁇ 5-inch fin dance and Russia down blue pigment.
- a coating film containing a pigment for measuring a hue angle H and a chroma C * value is obtained by the following method.
- a white paint is prepared in the same manner as the dispersion paint of type 5 indanthrone blue pigment except that the 10.0 overlapping portion is used.
- 1 part by weight of the dispersion paint of ⁇ 5 type indanthrone blue pigment prepared above and 20 parts by weight of white paint are mixed to prepare a white diluted paint.
- This paint is applied to a coat paper using a 6 mil (600-inch) film abbreviator, left for 1 hour, then baked and dried to obtain a coating film.
- This coating film was measured with a D65 light source at a 10-degree field of view using a SPECTRAFLASH 500 spectrophotometer manufactured by Datacolor International, Inc. Calculate hue angle H and saturation C *.
- the hue angle H of the colorimetrically measured coating film containing the type 5 inductance blue pigment dispersed as described above is in the range of 275 to 283, and the saturation C * value is
- the ⁇ 5 type indian romble pigment which is 20 or more has excellent S stability, weather resistance and dispersibility, and has a clear strong reddish blue. It is clear that the pigment exhibits a hue of ___ hue, but the pigment having the hue angle H and the saturation C * in such a range is, as in the invention of claim 1, its average primary particle. It is clear that the diameter is less than 0.
- the specific ⁇ 5 type indanthrone blue pigment exhibiting a strong reddish blue of the present invention has a stronger reddish blue hue than the indanthrone blue pigment having the a-type crystal structure. It is characterized by points. As an index representing hue, there is a hue angle of the CIE color system, and C * is an index representing saturation, so that when expressed using these, the strong reddish blue that is the object of the present invention is As described in Examples, a coating film of a melamine-alkyd paint white-diluted paint ((type fifty-indonesromble pigment and titanium dioxide pigment have a fi ratio of 1:20)) Are characterized by having a hue angle H in the range of 275 to 283 and a saturation value of 20 or more.
- the ⁇ -type indanthrone blue pigment has a hue angle of 265
- the specific ⁇ 5 type indanthrone blue pigment has a large hue angle of 274 to 281, and the ⁇ type indanthrone blue pigment It can be understood that it is a much stronger reddish blue color than the pigment.
- the specific 5-inch indanthrone blue pigment of the present invention is compared with the 5-inch indanthrone blue based on the report manufacturing method. Even so, it is clear that the hue angle is large and the redness is strong.
- the type Indanthrone Blue based on the report production method, has a C * of 16 and has low chroma and no color value. It is clear that the type 5 indanthrone blue pigment has a high C * of 28.7 and has a high color value. It is a coating obtained by mixing an aluminum flake pigment in place of titanium dioxide. As a matter of course, the color gives a reddish blue tone stronger than the hue when using a typical indronthrone blue pigment, and for comparison, the primary color paint is shown in FIG. Do not dilute with chromium or aluminum flake pigment. --Shows the spectral transmittance curve of a film that was baked and coated using an abricator on a black film.
- the known ⁇ -indanthrone blue pigment has a transmittance beak of 430 nm, and almost all light having a wavelength of 540 nm to 68 O nm. The light does not pass through, and the transmittance increases sharply for light with a wavelength longer than 680 nm.
- the specific ⁇ 5 type indanthrone blue pigment of the present invention also has a transmittance of a peak at 430 nm, but the light having a wavelength in the range of 52 O nm to 750 nm is hardly emitted. do not do.
- the type 5 indanthrone produced by the PB report method has a transmittance beak of 450 nm
- the specific ⁇ 5 type indanthrone blue pigment of the present invention has a transmittance There is a 20 nm difference in the beak position.
- the specific (Type 5 indanthrone blue pigment) used in the present invention is, for example, a compound represented by the general formula
- X 1 , X 2 , X 3 and X 4 are each independently represented by a hydrogen atom or a halogen atom.
- the specific type of pigment used in the present invention may be produced by a method other than this method.
- the / / type indanthrone blue crystallizes into ⁇ type indanthrone blue by oxidation at high temperature after reduction. It is disclosed that the y-type indian rhombus can be produced from the ⁇ -type indian rhombus by converting and oxidizing at 50 or less after the operation, but it is simply a method based on general oxidation.
- the alkali in the alkaline aqueous solution used for the reduction reaction include alkalis such as sodium hydroxide and potassium hydroxide. Of these, sodium hydroxide is preferred. Especially preferred. Further, a surfactant, a dispersant, an organic solvent, and the like can be mixed in the alkaline aqueous solution.
- the carrier include, but are not limited to, hydrosulfurite and longalite.
- the reduced S-position is preferably 700 mV or less, and the range of 800-120 mV is particularly preferable.
- the reduction temperature in an alkaline aqueous solution is preferably in the range of 40 to L 0, more preferably in the range of 55 to 90.
- a method of rapid oxidation after passing through for example, (1 ') a method of adding an indanthrone blue starting solution to an oxidizing solution comprising an oxidizing agent and a solvent using a pump, 2) how to ⁇ mixed in line mixer using respectively oxidized liquid reducing solution pump, forces and the like s, but is not limited thereto.
- the oxidizing agent includes, but is not limited to, hydrogen peroxide, potassium permanganate, perboric acid, and the like. Is a 3 ⁇ 4 medium used in the oxidation solution, to dissolve the oxidizing agent, and as long as it does not react with the oxidizing agent rather good, particularly limiting force s, for example, water.
- the oxidizing solution contains sufficient oxidizing agent to oxidize the reduced product.
- the temperature of the oxidizing solution is not limited, but is preferably in the range of 0 to 40 ° C., and the lower temperature is more preferable.
- the potential after oxidation is not particularly limited, but is preferably ⁇ 699 mV or more. If the potential is lower, oxidation may be insufficient and ⁇ -type crystal forms may be present.
- the production method of the present invention is very useful as a method for producing a specific ⁇ -type indone rostrum pigment exhibiting a strong reddish blue color, which was impossible with a conventional method.
- indulthrone blue pigment exhibiting a strong reddish blue obtained by the production method of the present invention is filtered, washed, and added to a water-dispersed slurry pigment or a wet pigment according to the form of use. Alternatively, it is dried and ground to be adjusted to a pigment form such as powder.
- ⁇ 5 hard Ndansuro Nburu pigments of the present invention provides an X-ray diffraction diagram, 2 0 Sat 0. 2 ° force s, 6. 4 °, 1 1. 2 °, 1 3 ⁇ 0 °, 1 6. 7 ° 22.2 °, 23.9 °, 27.1.
- the diffraction peak having a low peak intensity may be hidden by the shoulder of another diffraction peak having a high peak intensity, depending on the crystallinity of the pigment.
- the beak strength does not matter because it varies depending on the size and shape of the pigment, or various setting values and measurement conditions of the X-ray diffractometer. In this measurement of X-ray diffraction, RINT 110 (manufactured by Rigaku Denki Co., Ltd.) was used using Cu Kal ray.
- the X-ray diffraction beak of the specific ⁇ 5 type indanthrone blue pigment exhibiting a strong reddish blue obtained by the production method of the present invention has been aggregated due to a small average primary particle diameter. Therefore, the beak in the X-ray diffraction spectrum is 20 ⁇ 0.2 ′, but 6.4 °, 11.2 °, 13.0 ′, 16.7 ′, 2 At 2.5 ⁇ and 27.1 °, the beak near 23.9 'may not appear due to being hidden by the shoulder of another beak.
- the average primary particle system is in the range of 0.001 to 0.5 ⁇ , and its hue is smaller than that of the conventional ⁇ 5 type crystal, such as the greyish hue or ⁇ type crystal. Therefore, the above crystal form is a crystal form of an aggregate of a 5-type indanthrone blue pigment because of having a beautiful hue of strong reddish blue.
- a method for producing the type 5 indanthrone blue pigment by resolving the aggregation is as follows.
- a wet crushing of the type 5 indanthrone blue pigment obtained by rapid oxidation is included.
- the wet grinding method is as follows: in an organic solvent, water, or a mixture of an organic solvent and water. --Wet grinding method.
- the ⁇ 5 type indone strontble pigment may be in any state of a source, an oxidized water-dispersed slurry, a wet, or a powder obtained by drying and pulverizing it.
- an organic dye derivative, a dispersant and a body S pigment may be mixed and wet-milled.
- organic dye derivatives and polymer dispersants prevent the type 5 indanthrone blue pigment from undergoing crystal transformation during wet milling, and the ⁇ 5 type indanthrone blue pigment in a more stable crystalline state is used. It is desirable to use them together because they can be manufactured.
- organic solvent used in the wet milling include aromatic solvents such as xylene and toluene; aliphatic solvents such as hexane and terpene; ethanol, isopropanol, and normal butanol.
- Alcohol solvents such as toluene, dizobutanol; ester solvents such as ethyl pentoxide and butyl citrate; ketone solvents such as methyl ethyl ketone and methyl butyl ketone; Is not limited to
- Organic dye derivatives that can be used as needed in wet milling include, for example, phthalocyanine, dioxazine, indanthrone blue, anthraquinone, diamino anthraquinoel, quinacridone, perylene, Organic dyes such as quinophthalone, alkyl groups having 1 or more carbon atoms, halogen groups, phthalimide groups, dialkylaminomethyl groups, sulfonamide groups, sulfonamide groups , Sulfonate groups, sulfonate metal bases, etc.! ! Examples include, but are not limited to, dye derivatives substituted with a substituent.
- organic dye derivatives derivatives of organic dyes such as phthalocyanine, dioxazine, indanthrone blue, and anthraquinone are preferred, and alkyl groups, aromatic compounds such as benzene and toluene, sulfoxyl groups, Organic dye derivatives having a phthalimid group which may be S-substituted by an amino group, a hydroxyl group or the like are preferred.
- Examples of the method for producing an organic dye derivative include, for example, dissolving an organic pigment.
- the amount used is preferably 30% by weight or less, more preferably 0.5 to 20% by weight in ⁇ 5 type indone rombone pigment.
- Dispersing agents that can be used as needed in wet crushing include, for example, rosins such as hydrogenated gin; Disperbyk—160, Disperbyk—162, Disperbyk—164. , Disperbyk-182 (manufactured by Beek Chemie), EFKA-401, EF KA-402 (manufactured by EF KA), Solspers 2400 (manufactured by General Energy), etc.
- a polyester-based dispersant having a molecular weight of 100 or more; a nonionic surfactant, an anionic surfactant, a cationic surfactant, and the like, but are not limited thereto.
- the ft is preferably 30% by weight or less in the type 5 indanthrone blue pigment, and particularly preferably in the range of 0.5 to 20% by weight.
- extenders that can be used as needed in wet milling include barium sulfate, white carbon, chromium oxide, cuprous oxide, calcium calcium carbonate, clay, and talc.
- a device used for wet grinding include known grinding devices such as a bead mill, a pole mill, a kneader, and an attritor.
- the type and size of the beads used in the bead mill are not limited, and examples thereof include glass beads and ceramic beads.
- the size is preferably in the range of 0.1 mm ⁇ 6 to 100 mm ⁇ J.
- the grinding temperature and grinding time are not particularly limited depending on the type of the solvent and the grinding equipment E. However, the grinding temperature is preferably in the range of 5 to 80 ° C, and The crushing time is preferably in the range of 15 minutes to 12 hours. In addition, it is needless to say that prolonged grinding at a high temperature should be avoided, particularly in terms of energy cost and crystallization conversion to ⁇ 5 types.
- the average primary particle S of the specific type 5 indanthrone blue pigment exhibiting a strong reddish blue color of the present invention is preferably 0.5 / m or less, and is preferably from 0.05 / zm to 0.2 m.
- the average-next particle diameter referred to in the present specification is obtained by randomly sampling several tens of pigment particles based on a photograph of the pigment taken with an electron microscope, measuring the major axis and minor axis, and measuring the major axis and minor axis, respectively. Calculate the average of the minor axis and the average of the minor axis, and take the average of the average of the major axis and the minor axis further.
- the specific surface area of the specific (type 5 indanthrone blue pigment) exhibiting a strong reddish blue color of the present invention by the BET method is preferably in the range of 5 to 400 m 2 / g, and 10 to 100 m 2 / g. 2 0 ⁇ 15 is especially preferred.
- the specific surface area will be less than lm 2 Zg due to the strong aggregation when the pigment powder is used. In some cases. Even in such a case, if the pigment can be sufficiently dispersed, high saturation can be obtained.
- the (type 5 indanthrone blue pigment) of the present invention has a general formula
- ⁇ ' ⁇ , ⁇ 2, 3 and 4 are each independently Wath table a hydrogen atom or a halogen atom.
- Lee Ndansu Ron Blue 6 0 double S% or more, is preferable to rather 8 It is sufficient if it is contained in an amount of 0% by weight or more.
- various surface treatment agents such as organic dye derivatives and dispersants, and extenders may be contained.
- the organic dye derivative that may be contained in the ⁇ -type indanthrone blue pigment of the present invention include the same organic dye derivatives as those listed as the organic dye derivatives that can be used in wet milling.
- examples of the dispersant that may be contained in the ⁇ 5 type indanthromble pigment of the present invention include the same dispersants listed as dispersants that can be used in wet milling.
- the extender pigment that may be contained in the type 5 indian pigment of the present invention may be the same as the extender pigment that can be used in wet milling as the extender S pigment. .
- ⁇ Stability as a colorant of type 5 indone romble pigment is usually a stability that can withstand the conditions in which the colorant is used.
- heat dispersion in a plastic such as vinyl chloride No significant crystal transformation or change in hue, --It means that there is no remarkable crystal transformation or change in hue after long-term storage of paint containing blue pigment, and the ⁇ 5 type indone rombone pigment of the present invention can withstand these color materials Has stability.
- the crystal form of ⁇ 5 type indanthrone blue is the same as that of ⁇ 5 type indanthrone blue crystal without surface treatment. It is unstable at the above high temperature.
- the type crystal changes to ⁇ type. Will be converted.
- Type 5 indanthrone blue crystals undergo crystal transformation for the first time under such severe conditions, and it is needless to say that pigments that do not undergo crystal transformation even under such severe conditions are more preferable. Absent.
- the organic solvent to be considered for the problem of crystal transformation of type 5 indanthrone blue is a solvent generally used for coloring materials, for example, an aromatic hydrocarbon-based solvent such as toluene-xylene; Aliphatic hydrocarbon solvents such as lit; Alcohol solvents such as methanol and ethanol; Ester solvents such as ethyl acetate; Ketone solvents such as methyl ethyl ketone; Examples include ether solvents.
- the organic dye derivative containing the above-mentioned organic pigment derivative (the type 5 indanthrone blue pigment or the above-mentioned polymer containing the polymer dispersant ⁇ 5 type
- the crystal of the Indance Leblue pigment is unmelted because the organic dye derivative or resin-type dispersant is adsorbed on the pigment surface, so that no single crystal of the Indone Rombule is directly incorporated into the organic solvent. It is possible to maintain the stable binding type without directly emitting or receiving the energy required for crystal transformation, especially among these, alkyl groups and aromatic compounds such as benzene and toluene.
- Has a phthalimid group to which a carboxyl group, an amino group, a hydroxyl group, etc. may be introduced.
- Organic dye derivatives composed of phthalocyanine, dioxazine, indanthrone blue or anthraquinone are preferred because of their excellent crystal stability.
- the content ratio of the organic dye derivatives is preferably 30% by weight or less, and the range of 0.5 to 20% by weight is preferred. Especially preferred.
- the content of the polymer dispersant is preferably 30% by weight or less, and particularly preferably in the range of 0.5 to 20% by weight.
- New The treatment of pigments with these organic dye derivatives and polymer dispersants can be performed, for example, by mixing (1) ⁇ 5 3 ⁇ 4 indone roble pigment with an organic dye derivative using a disperser such as an attritor, (2) (Type 5 indanthromble—disperse the pigment in an organic solvent such as isopropyl alcohol, then add a resin-type dispersant, add water, and add the water to the surface of the pigment.
- a method of precipitating a resin-type dispersant and performing a surface treatment is not limited thereto.
- the type 5 indanthrone blue pigment is dispersed in a dispersion using a known dispersing machine.
- the type 5 indanthrone blue pigment can also be used as a dispersion.
- Dispersing machines include dispersers, homomixers, bead mills, ball mills, two-roll, three-roll, and pressure dispersers, but are not limited thereto. is not.
- the proportion of the type 5 indanthrone blue pigment is preferably 90% by weight or less, and 0.01 to 50% by weight. It is particularly preferable that the content of the dispersion (the component other than the type 5 indanthrone blue pigment is a dispersion medium, and the dispersion medium is the above-described paint, plastic, or printing ink).
- the solvent include a resin and a solvent used in a dispersion such as an ink and a color toner, etc.
- solvent used as a dispersion medium examples include aromatic hydrocarbon solvents such as toluene-xylene; Aliphatic hydrocarbon solvents such as Neuralbilt alcohol; Alcohol solvents such as methanol and ethanol; Ester solvents such as Ethyl pentoxide; Ketone solvents such as Methyl ethyl ketone; Ether solvents such as
- aromatic hydrocarbon solvents such as toluene-xylene
- Aliphatic hydrocarbon solvents such as Neuralbilt alcohol
- Alcohol solvents such as methanol and ethanol
- Ester solvents such as Ethyl pentoxide
- Ketone solvents such as Methyl ethyl ketone
- Ether solvents such as
- various auxiliary materials such as a dispersing wetting agent, an anti-skinning agent, an ultraviolet absorber, and an antioxidant may be contained in the dispersion.
- the dispersion temperature and dispersion time cannot be specified uniformly, but the dispersion temperature is preferably in the range of room temperature to 24 O'C.
- the room temperature is particularly preferably in the range of room temperature to 150 ⁇ (:, and the dispersing time is preferably within 120 hours, particularly preferably within 5 hours.
- the 5-inch indian pigment dispersion is mixed with other additives and pigment dyes as needed to produce final paints, printing inks, plastics, color toners, various recording agents, etc. Is done. -
- the specific (Type 5 indanthrone blue pigment) of the present invention has resistance to weatherability even as a colorant, for example, by dispersing the specific type 5 indanthrone blue pigment of the present invention.
- Automotive coatings have high weather resistance to withstand use, and even when the specific ⁇ 5 type indanthrone blue pigment of the present invention is used for printing inks and plastics, Gives a reddish blue color tone that is stronger than the hue of the ⁇ -type indanthrone blue pigment
- Figure 1 shows the d-type indanthrone blue pigment obtained in Example 1.
- Fig. 2 is an X-ray diffraction diagram of the ⁇ 5 type indromthrone mono-pigment obtained in Example 3.
- Fig. 3 is a phthalimid methyl indanthrone obtained in Example 7 X-ray diffractogram of ⁇ 5 inch indone romble pigment containing blue That.
- Fig. 4 shows the alkyd paint of Indance Con Blue pigment dispersion used in Application Example 1, Comparative Application Example 1 and Comparative Application Example 3 applied on a transparent plastic film using an abrixator and dried.
- 4 is a spectral transmittance curve of a coated film in a visible light region.
- 1, 1, 1, 1, 1 shows the comparative application example 1
- 11 shows the comparative application example 3, respectively.
- the oxidation reaction was carried out by injecting the reduced solution of Insulin Blue into the stirred oxidizing solution at a rate of 500 ml / min. After continuing to stir the mixture, the mixture was washed with water until the solution became neutral. The residue was dried and pulverized, and the average primary particle diameter determined by an electron microscope was 0.035 zm.
- the specific surface area measured by the BET method was 31.7 m 2 Zg, and 11.5 parts of the cohesive ⁇ -type indanthrone blue pigment showing the X-ray diffraction spectrum in FIG. 1 were added.
- the X-ray diffraction beaks were 20 ⁇ 0.2 ′, 6.3 ⁇ , 11.1 ′, 12.8 ⁇ , 16.5 °, 22.4, and 2
- the beak around 23.9 ⁇ has a cohesive property. Due to its strength, it is followed by a 27.0 ⁇ beak shoulder.
- the average primary particle diameter determined by electron microscopy was 0.028 zm, and the specific surface area determined by the BET method was 45 m 2 / g.
- Cohesiveness with soil 0.2 'showing diffraction beaks at 6.3', 11.1 ', 12.8', 16.4 ', 22.5 ⁇ and 27.0' 11.6 parts of a ⁇ 5 type indanthromble pigment were obtained.
- the beak around 23.9 ⁇ is hidden by the shoulder of the 27.0 ° beak because of its strong cohesiveness.
- 0 3 0 zm der is, Ri specific surface area 5 3 m 2 Roh g der by BET method, 5 hard unaggregated exhibit X-ray diffraction scan Bae-vector in Fig. 2 emission Indanthrone Bull one 9.3 parts of pigment were obtained.
- the X-ray diffraction beak is 20 ⁇ 0.2, which is 6.3 °, 11.1 °, 12.8 ', 16.5 °, 22.4', 24.1 ° and 27.0 ′.
- Example 10 100 parts of type 5 indanthromble pigment, 100 parts of water, and 0.25 mm ( ⁇ 100 ml of ceramic beads were taken in a vessel for a sand grinder) After grinding, the mixture was ground, washed with water, dried and ground to obtain 9.3 parts of a non-agglomerated type 5 indanthrone blue pigment.
- This pigment has an average primary particle diameter measured by electron microscopy Ri is 0. 0 3 0 / im der, specific surface area by BET method Ri 6 2 m 2 / g der, in the X-ray diffraction pattern, 2 0 ⁇ 0. 2 'is 6.3 ⁇ , 1 1 ⁇ 1 ⁇ 1 2 ⁇ 8 ⁇ 1 6 ⁇ 5 ⁇ 2 2.4 ⁇ 2 4 ⁇ 1 --
- Example 6 [Production of type 5 indanthrone blue pigment containing resin-type dispersant]
- the type 5 indanthrone blue obtained in Example 1 (9.5 type indanthrone blue) was added.
- resin-type dispersant “ ⁇ ⁇ —182” manufactured by Big Chemical Co., Ltd.
- 1100 rpm 1100 rpm at room temperature.After grinding, the residue was removed and washed with hot water.
- Drying and pulverization gave 9.7 parts of a non-agglomerated ⁇ 5 type indanthrone blue pigment, which had an average primary particle size of 0.033 / ⁇ under an electron microscope and a BET
- the specific surface area is 58 m 2 g according to the method, and in the X-ray diffraction diagram, 20 ⁇ 0.2 is 6.3 °, 11.1 °, 12.8 °, 16.5, 22.4 °, 24.1 ° and 27.
- a diffraction beak was shown at 0 °.
- 3 4 ⁇ 111 der BET specific surface area is Ri 6 2 m 2 / g der, in the X-ray diffraction pattern, 2 0 ⁇ 0.2 • diffracts to 6, 3 *, 11.1 ', 12.8 °, 16.6 ⁇ , 22.5 *, 23.9' and 27.0 * Showed a beak.
- Example 7 non-aggregating ⁇ 5 type indanthrone blue pigment was used in the same manner as in Example 7 except that phthalimidomethyl indanthrone blue was used instead of phthalimidmethyl indanthrone blue. I got three copies.
- This pigment has an average primary particle size of 0.032 m according to an electron microscope, a specific surface area of 65 m 2 Zg according to a BET method, and has an X-ray diffraction pattern of 20 ⁇ 0.2 ′. Showed diffraction beaks at 6., 11.2 °, 13.0 °, 16.7 °, 22.5 ⁇ , 24.1 ′ and 27.0 ′.
- the mixture is mixed with a paint shaker for 10 minutes to obtain a dispersion of ⁇ 5 type Indian sloppy-pigment.
- An alkyd paint was obtained. Except for using 10 parts of “Taekwak R-930” (manufactured by Ishihara Sangyo Co., Ltd.) instead of the above-mentioned ⁇ 5 inch type indanthrone blue pigment dispersion, A A dispersed white paint was prepared with the same composition as the liquid paint. Next, a white dilution paint was prepared by mixing 1 part of the alkyd paint of the S-type indanthrone blue pigment dispersion and 20 parts of the white paint prepared above.
- the paint is applied to the coated paper using a 6 mil (0.006 inch) film abbreviator, left for 1 hour, and then baked and dried in an oven at 140 ⁇ (20 minutes).
- the coating film was measured with a D65 light source at a 10-degree field of view using a spectrophotometer Spectra Flash 500 manufactured by Datacolor International Co., Ltd. to obtain a hue angle H and saturation. C * was calculated and the results are shown in Table 1.
- Example 1 the pigments obtained in Examples 2 to 8 were used in place of the pigment of type 5 indone rombone obtained in Example 1 (in the same manner as in Application Example 1 except that each of the pigments of type 5 indron rhombus was used).
- a type 5 indanthrone blue pigment dispersion film was obtained.
- the hue angle H The chroma C * was calculated and the results are summarized in Table 1.
- Example 1 the 5-type indanthrone blue pigment obtained in Comparative Examples 1 and 2 (Comparative Application Examples 1 and 2) obtained in Example 1 (instead of the 5-type indanthrone blue pigment) and ⁇ -type indone romble pigment (Monolite Blue 3R—manufactured by Zeneca Corporation)
- the ⁇ y-type indanthrone blue pigment dispersion coating film obtained in Application Examples 1 to 8 is better than the conventional cr-type indanthrone blue pigment dispersion coating film obtained in Comparative Application Example 3.
- the hue angle H was large and the hue was very strong reddish blue, giving a beautiful parent.
- the ⁇ -type indanthrone blue pigment dispersion coating film obtained in Comparative Application Example 2 has a higher hue than the conventional type indanthrone blue pigment dispersion coating film obtained in Comparative Application Example 3. Although the angle ⁇ ⁇ ⁇ was large, redness was emphasized, but the color saturation C * was low, so the color was grayish blue, and the desired reddish blue color did not give a beautiful parent.
- the conventional ⁇ -type indanthrone blue pigment dispersion coating obtained in Comparative Application Example 3 has a higher hue angle than the 5-type indanthrone blue pigment dispersion coating obtained in each application. ⁇ was small and the hue was bluish blue. From these facts, among the ⁇ 5 type indanthrone blue pigments exhibiting the desired strong reddish blue hue, those having a hue angle ⁇ in the range of 275 to 283 and a saturation C * Is clearly 20 or more, and the average—secondary particle size of the ⁇ 5 type indanthrone blue pigment that satisfies such conditions must be 0.5 m or less. It is clear.
- the enamel paint dispersion of type 5 indron lon blue pigment was stored in a thermostat at 50 ° C for 10 days and subjected to a stability test as a coloring material. Instead, it was sufficiently stable as a paint, and this 5-inch indone-lon blue pigment could be used as a coloring material.
- J-type indanthrone blue pigment dispersion was used except that 10 parts of Alpast 762 NS (manufactured by Toyo Aluminum Co., Ltd.) were used instead of the 5-inch indanthrone blue pigment.
- -2-An aluminum enamel paint dispersed with the same composition as the enamel was prepared.
- Metallic base paint and clear paint manufactured by Dainippon Ink and Chemicals, Inc .; Acrylic A-310 Nos-Pa-Peca-Min L-1 117-60 solids weight ratio
- the mixture of 7/3) was air-sprayed onto a metal plate in the same manner as a normal automotive metallic paint coating, using a two-coat, one-bake method, and sprayed 140. Bake and dry in oven C for 20 minutes. After drying, a metallic coating film was obtained which was a ⁇ 5 type indanthromble monopigment dispersion. Table 2 shows the colorimetric results of the coating film.
- Table 3 shows the color difference between the paint film before the exposure test 8 and the paint film after the exposure test.
- Table 3 shows the color difference ⁇ E * between the coating before the exposure test and the coating after the exposure test.
- the coating using ⁇ 5 type indanthrone blue pigment has a smaller color difference value than the coating using conventional ⁇ -type indanthrone blue pigment.
- ⁇ 5 Type Indanthrone blue pigments must be resistant to the weather resistance of automotive paints. --I understand. (Application example 13)
- Example 2 1.0 part of ⁇ 5 type indanthrone blue pigment and 1.5 parts of octyl phthalate obtained in Example 1 were dispersed by rotating 300 times under a weight of 150 pounds with a Hooper muller. Thus, a toner for vinyl chloride was produced. Next, 0.5 part of this toner, 4.0 parts of vinyl chloride white masterbatch (manufactured by Dainippon Ink & Chemicals, Inc.) and 4.0 parts of vinyl chloride compound (Mitsubishi Kasei Vinyl Co., Ltd.'s vinyl compound C982) "Clear”) 100 parts of the mixture were milled at 150 ° C for 3 minutes using a heated two-roll mill. The pigment content was 0.2%, and the ratio of pigment to titanium dioxide was 1:10. A rough sheet was prepared. The crude sheet was blown for 3 minutes with a heating breath to produce a vinyl chloride sheet. Table 4 shows the colorimetric results of the vinyl chloride sheet of this type 5 indanthrone blue pigment dispersion.
- Application Example 13 is the same as Application Example 13 except that ⁇ -type indone throne blue pigment (Mono 1ite Blue 3R—manufactured by Zeneca) was used instead of the 5-inch indone romble pigment.
- ⁇ -type indone throne blue pigment Mono 1ite Blue 3R—manufactured by Zeneca
- Table 4 shows the colorimetric results of the vinyl chloride sheet of this type of indanthrone blue pigment dispersion.
- L *, a *, and b * represent the color coordinate values of the CIE color system, C * represents the saturation, and H represents the hue angle.
- the vinyl chloride sheet of the df-type indanthrone blue pigment dispersion has a reddish hue compared to the case using the ⁇ -type indanthrone blue pigment. it can. It can be understood that the ⁇ -type indanthrone blue pigment has the same heat resistance as the known ⁇ -type indanthrone blue pigment, and can be sufficiently used as a coloring material.
- the coated plate obtained in Application Example 1 was subjected to an accelerated exposure test for 144 hours using an i-Super UV device (manufactured by Iwasaki Ski Co., Ltd.).
- Table 5 shows the color difference of the coating film.
- the haze film formed by the combination of phthalocyanine blue and dioxazine violet has a large color difference before and after exposure, and is more effective than the film using the type 5 indanthrone blue pigment of the present invention. It can be understood that the weather resistance is also poor. Effect of the Invention
- the ⁇ -type indanthromble pigment of the present invention exhibits a strong reddish blue hue, and is excellent in crystal stability, weather resistance and dispersibility.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50719896A JP4126725B2 (ja) | 1994-08-15 | 1995-08-15 | δ型インダンスロンブルー顔料及びその製造方法 |
| US08/615,199 US5788759A (en) | 1994-08-15 | 1995-08-15 | δ-indanthrone blue pigment and manufacturing method therefor |
| DE69521596T DE69521596T2 (de) | 1994-08-15 | 1995-08-15 | INDANTHRONBLAU PIGMENT DER FORM delta UND SEIN HERSTELLUNGSVERFAHREN |
| EP95928030A EP0723996B1 (en) | 1994-08-15 | 1995-08-15 | TYPE delta INDANTHRONE BLUE PIGMENT AND PROCESS FOR PRODUCING THE SAME |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19149894 | 1994-08-15 | ||
| JP6/191498 | 1994-08-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1996005255A1 true WO1996005255A1 (en) | 1996-02-22 |
Family
ID=16275656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1995/001624 Ceased WO1996005255A1 (en) | 1994-08-15 | 1995-08-15 | TYPE δ INDANTHRONE BLUE PIGMENT AND PROCESS FOR PRODUCING THE SAME |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5788759A (ja) |
| EP (1) | EP0723996B1 (ja) |
| JP (1) | JP4126725B2 (ja) |
| KR (1) | KR100352395B1 (ja) |
| CN (1) | CN1090657C (ja) |
| DE (1) | DE69521596T2 (ja) |
| WO (1) | WO1996005255A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004501911A (ja) * | 2000-06-29 | 2004-01-22 | ビーエーエスエフ アクチェンゲゼルシャフト | キノフタロン誘導体をベースとする結晶化改質剤 |
| JP7800626B1 (ja) * | 2024-11-13 | 2026-01-16 | artience株式会社 | 着色剤、着色組成物、その製造方法、塗料および塗膜 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6281268B1 (en) * | 1999-12-20 | 2001-08-28 | Eastman Kodak Company | Process for making an ink jet ink |
| US6258155B1 (en) * | 1999-12-20 | 2001-07-10 | Eastman Kodak Company | Ink jet ink |
| US7384465B2 (en) * | 2004-06-25 | 2008-06-10 | E.I. Du Pont De Nemours & Co. | Pigmented blue inkjet ink color reproduction |
| US7449059B2 (en) * | 2006-08-02 | 2008-11-11 | Sun Chemical Corporation | Conditioning method for indanthrone pigments |
| KR102134138B1 (ko) * | 2016-03-14 | 2020-07-15 | 후지필름 가부시키가이샤 | 조성물, 막, 경화막, 광학 센서 및 막의 제조 방법 |
| CN108997787A (zh) * | 2018-08-10 | 2018-12-14 | 天津城建大学 | 高近红外反射率金红石型TiO2/酞菁蓝复合颜料及其制备方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5398334A (en) * | 1977-02-08 | 1978-08-28 | Basf Ag | Method of producing pigment morphology of alphaaindanthrone |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE886734C (de) * | 1951-05-16 | 1953-08-17 | Cassella Farbwerke Mainkur Ag | Verfahren zur Herstellung hochdisperser Kuepenfarbstoffpulver |
| US2893994A (en) * | 1956-07-30 | 1959-07-07 | Allied Chem | Process for producing finely divided vat dye pigments |
| DE2854190C2 (de) * | 1978-12-15 | 1980-11-27 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von lasierenden Pigmentformen des Indanthrens und des chlorierten Indanthrone |
| DE2905114C2 (de) * | 1979-02-10 | 1981-03-19 | Basf Ag, 6700 Ludwigshafen | Pigmentzubereitungen |
-
1995
- 1995-08-15 US US08/615,199 patent/US5788759A/en not_active Expired - Lifetime
- 1995-08-15 CN CN95191018A patent/CN1090657C/zh not_active Expired - Fee Related
- 1995-08-15 DE DE69521596T patent/DE69521596T2/de not_active Expired - Lifetime
- 1995-08-15 WO PCT/JP1995/001624 patent/WO1996005255A1/ja not_active Ceased
- 1995-08-15 EP EP95928030A patent/EP0723996B1/en not_active Expired - Lifetime
- 1995-08-15 KR KR1019960701942A patent/KR100352395B1/ko not_active Expired - Fee Related
- 1995-08-15 JP JP50719896A patent/JP4126725B2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5398334A (en) * | 1977-02-08 | 1978-08-28 | Basf Ag | Method of producing pigment morphology of alphaaindanthrone |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP0723996A4 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004501911A (ja) * | 2000-06-29 | 2004-01-22 | ビーエーエスエフ アクチェンゲゼルシャフト | キノフタロン誘導体をベースとする結晶化改質剤 |
| JP7800626B1 (ja) * | 2024-11-13 | 2026-01-16 | artience株式会社 | 着色剤、着色組成物、その製造方法、塗料および塗膜 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE69521596D1 (de) | 2001-08-09 |
| EP0723996A1 (en) | 1996-07-31 |
| KR100352395B1 (ko) | 2003-01-29 |
| US5788759A (en) | 1998-08-04 |
| CN1136818A (zh) | 1996-11-27 |
| EP0723996B1 (en) | 2001-07-04 |
| JP4126725B2 (ja) | 2008-07-30 |
| DE69521596T2 (de) | 2002-05-23 |
| EP0723996A4 (en) | 1996-09-25 |
| KR960704982A (ko) | 1996-10-09 |
| CN1090657C (zh) | 2002-09-11 |
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