CN109077941A - Coloured bismuth oxychloride pigments and its preparation method and application - Google Patents
Coloured bismuth oxychloride pigments and its preparation method and application Download PDFInfo
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- CN109077941A CN109077941A CN201810774203.4A CN201810774203A CN109077941A CN 109077941 A CN109077941 A CN 109077941A CN 201810774203 A CN201810774203 A CN 201810774203A CN 109077941 A CN109077941 A CN 109077941A
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- bismuth oxychloride
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/20—Halogens; Compounds thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
- A61Q1/02—Preparations containing skin colorants, e.g. pigments
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Abstract
The present invention provides a kind of coloured bismuth oxychloride pigments and its preparation method and application, belong to cosmetic pigment technical field.The present invention provides a kind of coloured bismuth oxychloride pigments, for the coloured bismuth oxychloride pigments using sheet bismuth oxychloride as substrate, bismuth oxychloride surface coats organic pigment.The present invention also provides the preparation methods of the coloured bismuth oxychloride pigments, the following steps are included: the pH of the solution containing bismuth oxychloride is adjusted to 5-7.5, aqueous slkali and aluminium salt containing organic pigment is added, so that organic pigment is coated on bismuth oxychloride surface, obtains coloured bismuth oxychloride pigments.The present invention provides a kind of coloured bismuth oxychloride pigments, and the pigment quality is fine and smooth, has vivid color, strong gloss, excellent texture and smooth patch skin sense, are suitable for cosmetic field；The coloured bismuth oxychloride pigments of the present invention can be various colors, enriches the type of bismuth oxychloride product, has widened the application field of bismuth oxychloride.
Description
Technical field
The invention belongs to cosmetic pigment technical fields, and in particular to a kind of coloured bismuth oxychloride pigments and preparation method thereof
And application.
Background technique
(bismuth oxychloride, molecular formula: BiOCl, molecular weight: 260.48) being tetragonal system silver to bismuth oxychloride
Silvery white pearly luster has been kneaded in white shiny crystalline powder.Due to bismuth oxychloride nontoxicity, with high gloss effect and smoothly
The performance characteristic of effect, Low grease absorb, and skin adhesion is strong, have pearl effect, therefore, bismuth oxychloride pigments are increasingly becoming
Important source material in cosmetic product is widely used in cosmetics of super quality product, makes it important in cosmetics synthesis
Raw material, such as face powder, nail polish, eye shadow etc..But current bismuth oxychloride color is single (silver color), has been unable to satisfy consumer couple
The demand of cosmetics color.
In consideration of it, the present invention is specifically proposed.
Summary of the invention
The purpose of the present invention is to provide a kind of coloured bismuth oxychloride pigments；The pigment has abundant and vivid color,
The type for enriching bismuth oxychloride product alleviates the single technical problem of existing bismuth oxychloride color.
Another object of the present invention is to provide the preparation methods of above-mentioned coloured bismuth oxychloride pigments.
The object of the invention is also to provide application of the above-mentioned coloured bismuth oxychloride pigments in cosmetics；The present invention is coloured
The type of bismuth oxychloride rich choice of products has widened the application field of bismuth oxychloride.
According to an aspect of the present invention, the present invention provides a kind of coloured bismuth oxychloride pigments, the coloured bismuth oxychloride
For pigment using sheet bismuth oxychloride as substrate, sheet bismuth oxychloride surface coats organic pigment；
Preferably, the crystal particle diameter of the sheet bismuth oxychloride is 10-15 μm；
Preferably, the shape of the sheet bismuth oxychloride is square or octagon；
Preferably, the organic pigment is at least one of red, yellow and blue；
Preferably, the red is amaranth, famille rose and lures at least one of red；And/or the yellow is lemon
At least one of lemon Huang and sunset yellow；And/or the blue is brilliant blue and at least one of indigo；
Preferably, the molal weight of the bismuth oxychloride and organic pigment ratio is 40-60:1-3mmol/g, preferably 48-
52:1.5-2.5mmol/g。
As a kind of preferred embodiment of the invention, sheet bismuth oxychloride surface coats organic pigment and Al
(OH)3；
Preferably, the bismuth oxychloride, organic pigment and Al (OH)3Amount ratio be 40-60:1-3:140-160mmol/
G/mmol, preferably 48-52:1.5-2.5:145-155mmol/g/mmol.
According to another aspect of the present invention, the present invention provides the preparation method of the coloured bismuth oxychloride pigments, packet
Include following steps:
The aqueous slkali containing organic pigment is slowly added dropwise into the solution containing bismuth oxychloride, organic pigment is made to be coated on chlorine oxygen
Change bismuth surface, it is 5-7.5 that pH is controlled during dropwise addition, obtains coloured bismuth oxychloride pigments.
As a kind of preferred embodiment of the invention, it is slowly added dropwise simultaneously containing organic into the solution containing bismuth oxychloride
The aqueous slkali and aluminium salt of pigment make organic pigment and Al (OH)3It is coated on bismuth oxychloride surface, pH is controlled during dropwise addition is
5-7.5 obtains coloured bismuth oxychloride pigments.
As a kind of preferred embodiment of the invention, under conditions of being 0.5-3 for 60-80 DEG C and pH, to surface-active
Bismuth salt is added in the aqueous solution of agent, obtains the solution containing bismuth oxychloride；
Preferably, the surfactant, the Bi in bismuth salt3+The feed ratio of ion and water is 2-4:40-60:2500-
3500g/mmol/mL, preferably 2.5-3.5:48-52:3000g/mmol/mL；
Preferably, the pH in the preparation process of the solution containing bismuth oxychloride is 0.5-1.5；
Preferably, the surfactant is nonionic surface active agent, preferably in lauryl amine, tetradecy lamine and oleyl amine
At least one；
Preferably, the bismuth salt is at least one of bismuth nitrate, bismuth sulfate and bismuth chloride；
Preferably, the bismuth salt is added in the form of bismuth salt solution, preferably with Bi3+Ion concentration is 0.4-0.6mol/L's
The form of bismuth salt solution is added, more preferably with Bi3+Ion concentration is that the form of the bismuth salt solution of 0.48-0.52mol/L is added；
Preferably, the solvent of the bismuth salt solution be hydrochloric acid, preferably mass fraction be 8%-12% hydrochloric acid；
Preferably, the addition speed of the bismuth salt solution is 0.6-1mL/min, preferably 0.8mL/min.
As a kind of preferred embodiment of the invention, the temperature in the preparation process of the coloured bismuth oxychloride pigments is
60-80 DEG C, preferably 65-75 DEG C；
Preferably, the pH in the preparation process of the coloured bismuth oxychloride pigments is 5-6；
Preferably, the organic pigment is at least one of red, yellow and blue；
Preferably, the red is amaranth, famille rose and lures at least one of red；And/or the yellow is lemon
At least one of lemon Huang and sunset yellow；And/or the blue is brilliant blue and at least one of indigo；
Preferably, the aqueous slkali containing organic pigment is inorganic alkali solution；
Preferably, the inorganic alkali solution is sodium hydrate aqueous solution or potassium hydroxide aqueous solution；
Preferably, in the inorganic alkali solution alkali mass fraction be 0.5%-1.5%, preferably 1%；
Preferably, the w/v of the organic pigment and aqueous slkali is 1-3:100g/mL, preferably 1.5-2.5:
100g/mL；
Preferably, the addition speed of the aqueous slkali containing organic pigment is 0.8-1.2mL/min, preferably 1mL/min.
As a kind of preferred embodiment of the invention, the molal weight ratio of the bismuth oxychloride and organic pigment is 40-
60:1-3mmol/g, preferably 48-52:1.5-2.5mmol/g.
As a kind of preferred embodiment of the invention, Al in the bismuth oxychloride, organic pigment and aluminium salt3+The use of ion
Amount is than being 40-60:1-3:140-160mmol/g/mmol, preferably 48-52:1.5-2.5:145-155mmol/g/mmol；
Preferably, the aluminium salt is at least one of aluminium chloride, aluminum nitrate and aluminum sulfate；
Preferably, the aluminium salt is added in the form of aluminum saline solution；It is preferred that with Al3+Ion concentration is 1.5-2mmol/mL
Aluminum saline solution form be added；
Preferably, the addition speed of the aluminum saline solution is 0.6-1mL/min, preferably 0.8mL/min.
According to the third aspect of the present invention, the color chlorine that the present invention provides the color bismuth oxychloride pigments or is prepared
Application of the bismuth oxide pigment in cosmetics.
According to the fourth aspect of the present invention, the present invention provides a kind of cosmetics, including the color bismuth oxychloride pigments
Or the color bismuth oxychloride pigments being prepared.
The present invention provides a kind of coloured bismuth oxychloride pigments, and the pigment quality is fine and smooth, with vivid color, strongly
Gloss, excellent texture and smooth patch skin sense are suitable for cosmetic field；The coloured bismuth oxychloride pigments of the present invention can be respectively
Kind color, enriches the type of bismuth oxychloride product, has widened the application field of bismuth oxychloride.
Specific embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific
Condition person carries out according to conventional conditions or manufacturer's recommended conditions.Reagents or instruments used without specified manufacturer is
The conventional products that can be obtained by commercially available purchase.
According to an aspect of the present invention, the present invention provides a kind of coloured bismuth oxychloride pigments, the coloured bismuth oxychloride
For pigment using sheet bismuth oxychloride as substrate, sheet bismuth oxychloride surface coats organic pigment.
Color bismuth oxychloride pigments quality is fine and smooth, has vivid color, strong gloss, excellent texture and smooth
Skin sense is pasted, cosmetic field is suitable for；The coloured bismuth oxychloride pigments of the present invention can be various colors, enrich bismuth oxychloride production
The type of product has widened the application field of bismuth oxychloride.
It should be noted that the present invention does not have the source of sheet bismuth oxychloride special limitation, using this field skill
Raw material known to art personnel；Its commercial goods can be such as used, system well known to those skilled in the art can also be used
Preparation Method is voluntarily prepared, for example, it may be being prepared according to the method recorded in patent CN101935022A or CN103303975A
It obtains.
As a kind of preferred embodiment of the invention, the crystal particle diameter of the sheet bismuth oxychloride is 10-15 μm；It is preferred that
The shape on ground, the sheet bismuth oxychloride is square or octagon.
In a preferred embodiment of the invention, brilliant diameter is 10-15 μm, shape is square or the piece of octagonal rule
Shape bismuth oxychloride has better brightness, gorgeous light effect and covering power；With this sheet bismuth oxychloride with regular shape
For substrate, coating the coloured bismuth oxychloride pigments that organic pigment is prepared has superior brightness.
Preferably, the organic pigment is at least one of red, yellow and blue；Preferably, described red for amaranth
At least one of dish is red, carmine and temptation is red；And/or the yellow is at least one of lemon yellow and sunset yellow；
And/or the blue is brilliant blue and at least one of indigo.
It should be noted that the present invention does not have the source of organic pigment and type special limitation, using this field
The organic pigment of cosmetics-stage known to technical staff；There is no special limitation for the color of organic pigment, it is organic
Pigment color abundant can meet the needs of different consumers are to U.S., for example, the typical but non-limiting color of organic pigment is
It is lemon yellow, sunset yellow, brilliant blue, the red, amaranth of temptation, indigo or carmine etc..
As a kind of preferred embodiment of the invention, the molal weight ratio of the bismuth oxychloride and organic pigment is 40-
60:1-3mmol/g, preferably 48-52:1.5-2.5mmol/g.The typical but non-limiting molar part of bismuth oxychloride be 40 parts,
42 parts, 43 parts, 44 parts, 45 parts, 46 parts, 48 parts, 49 parts, 50 parts, 51 parts, 52 parts, 54 parts, 56 parts, 58 parts, 59 parts or 60 parts；
The typical but non-limiting parts by weight of organic pigment are 1 part, 1.5 parts, 2 parts, 2.5 parts or 3 parts.
In a preferred embodiment of the invention, by reasonably adjusting and optimizing the dosage of bismuth oxychloride and organic pigment,
So that bismuth oxychloride is uniformly coated with organic pigment.
As a kind of preferred embodiment of the invention, sheet bismuth oxychloride surface coats organic pigment and Al
(OH)3。
The sheet bismuth oxychloride surface cladding organic pigment and Al (OH) of the coloured bismuth oxychloride pigments of the present invention3, Al (OH)3
Presence make organic pigment surface coated stronger in sheet bismuth oxychloride.
As a kind of preferred embodiment of the invention, the bismuth oxychloride, organic pigment and Al (OH)3Amount ratio be
40-60:1-3:140-160mmol/g/mmol, preferably 48-52:1.5-2.5:145-155mmol/g/mmol；Bismuth oxychloride
Typical but non-limiting molar part is 40 parts, 42 parts, 43 parts, 44 parts, 45 parts, 46 parts, 48 parts, 49 parts, 50 parts, 51 parts, 52
Part, 54 parts, 56 parts, 58 parts, 59 parts or 60 parts；The typical but non-limiting parts by weight of organic pigment be 1 part, 1.5 parts, 2 parts,
2.5 parts or 3 parts；Al(OH)3Typical but non-limiting molar part is 140 parts, 142 parts, 143 parts, 144 parts, 145 parts, 146
Part, 148 parts, 149 parts, 150 parts, 151 parts, 152 parts, 154 parts, 156 parts, 158 parts, 159 parts or 160 parts.
As a kind of preferred embodiment of the invention, the bismuth oxychloride, organic pigment and Al (OH)3Amount ratio be
40-60:1-3:140-160mmol/g/mmol。
In a preferred embodiment of the invention, by reasonably adjusting and optimizing the use of coloured bismuth oxychloride pigments each component
Amount, give full play between each component coordinated effect, further increase coloured bismuth oxychloride pigments color saturation and
Brightness, such as the color saturation and brightness of embodiment 1 and embodiment 4-7 are substantially better than embodiment 8 and embodiment 9.
As a kind of preferred embodiment of the invention, the bismuth oxychloride, organic pigment and Al (OH)3Amount ratio be
48-52:1.5-2.5:145-155mmol/g/mmol。
In a preferred embodiment of the invention, by reasonably adjusting and optimizing the use of coloured bismuth oxychloride pigments each component
Amount, gives full play to the coordinated effect between each component, and the color for further improving coloured bismuth oxychloride pigments is full
Embodiment 4 and embodiment 5 are substantially better than with degree and brightness, such as the color saturation and brightness of embodiment 1 and embodiment 6,7.
According to another aspect of the present invention, the present invention provides the preparation method of the coloured bismuth oxychloride pigments, packet
Include following steps:
The aqueous slkali containing organic pigment is slowly added dropwise into the solution containing bismuth oxychloride, organic pigment is made to be coated on chlorine oxygen
Change bismuth surface, it is 5-7.5 that pH is controlled during dropwise addition, obtains coloured bismuth oxychloride pigments.
The present invention can make organic pigment be coated on bismuth oxychloride surface by way of liquid deposition, obtain coloured chlorine oxygen
Change bismuth pigment.The process flow that the present invention prepares coloured bismuth oxychloride pigments is simple, easy to operate, easy to implement, institute of the present invention
With raw material sources it is wide, it is economical and easily available, be nontoxic, cosmetics-stage raw material.The present invention to environment, place, equipment etc. without specifically limited,
Used low in raw material price, safety and environmental protection performance is good, low for equipment requirements, and cost of investment is low, practicability and adaptable,
It is a kind of environmentally friendly, energy saving, efficiently, inexpensive coloured bismuth oxychloride pigments preparation method, application easy to spread.
It should be noted that the process that the present invention prepares coloured bismuth oxychloride pigments is in this field routine operation 200-
It is carried out under the stirring of 300rpm revolving speed, the conventional washing and baking that coloured bismuth oxychloride pigments further include this field is prepared
It is dry.
As a kind of preferred embodiment of the invention, it is slowly added dropwise simultaneously containing organic into the solution containing bismuth oxychloride
The aqueous slkali and aluminium salt of pigment make organic pigment and Al (OH)3It is coated on bismuth oxychloride surface, pH is controlled during dropwise addition is
5-7.5 obtains coloured bismuth oxychloride pigments.
It is separately added into it should be noted that " while aqueous slkali and aluminium salt containing organic pigment is slowly added dropwise " of the invention refers to
" aqueous slkali containing organic pigment " and " aluminium salt ".
In a preferred embodiment of this invention, the aluminium salt of addition and aqueous slkali form Al (OH)3It is wrapped jointly with organic pigment
Bismuth oxychloride surface is overlayed on, so that organic pigment is more firmly coated on bismuth oxychloride surface.
As a kind of preferred embodiment of the invention, under conditions of being 0.5-3 for 60-80 DEG C and pH, to surface-active
Bismuth salt is added in the aqueous solution of agent, obtains the solution containing bismuth oxychloride.
It should be noted that of the invention " solution containing bismuth oxychloride " can be and conventional prepare what bismuth oxychloride obtained
Solution containing bismuth oxychloride, for example, it may be the method preparation recorded in patent CN101935022A or CN103303975A
The obtained solution containing bismuth oxychloride；It is also possible to be prepared by a kind of preferred embodiment of aforementioned present invention.
It should be noted that the process that the present invention prepares the solution containing bismuth oxychloride is in this field routine operation 200-
It is carried out under the stirring of 300rpm revolving speed.
In a preferred embodiment of the invention, the temperature for preparing the process of the solution containing bismuth oxychloride is 60-80 DEG C,
Typical but non-limiting temperature be 60 DEG C, 62 DEG C, 63 DEG C, 65 DEG C, 66 DEG C, 68 DEG C, 69 DEG C, 70 DEG C, 72 DEG C, 73 DEG C, 74 DEG C,
75 DEG C, 77 DEG C, 78 DEG C, 79 DEG C or 80 DEG C etc..
In a preferred embodiment of the invention, the pH in the preparation process of the solution containing bismuth oxychloride is 0.5-3, excellent
It is selected as 0.5-1.5；Typical but non-limiting pH is 0.5,1,1.5,2,2.5 or 3 etc..
Bi as a kind of preferred embodiment of the invention, in the surfactant, bismuth salt3+Ion and water feed intake
Than for 2-4:40-60:2500-3500g/mmol/mL, preferably 2.5-3.5:48-52:3000g/mmol/mL.Surfactant
Typical but non-limiting parts by weight are 2 parts, 2.5 parts, 3 parts, 3.5 parts or 4 parts；Bi in bismuth salt3+Ion is typical but unrestricted
Property molar part be 40 parts, 42 parts, 43 parts, 44 parts, 45 parts, 46 parts, 48 parts, 49 parts, 50 parts, 51 parts, 52 parts, 54 parts, 56 parts,
58 parts, 59 parts or 60 parts；The typical but non-limiting parts by volume of water be 2000 parts, 2200 parts, 2400 parts, 2500 parts, 2700 parts,
2800 parts, 3000 parts, 3200 parts, 3300 parts, 3400 parts or 3500 parts.
In a preferred embodiment of the invention, by reasonably adjusting and optimization prepares the raw materials used use of bismuth oxychloride
Amount gives full play to the coordinated effect between each raw material, the bismuth oxychloride with regular shape is prepared.
Preferably, the surfactant is nonionic surface active agent, preferably in lauryl amine, tetradecy lamine and oleyl amine
At least one.
In a preferred embodiment of the invention, surfactant templates agent, as bismuth oxychloride crystals growth template,
Typical but non-limiting surfactant is lauryl amine, tetradecy lamine or oleyl amine；It should be noted that the present invention is for 12
The source of amine, tetradecy lamine or oleyl amine does not have special limitation, using raw material well-known to those skilled in the art；It such as can be with
It can be oleyl amine SV/12 or oleyl amine T13 using its commercial goods, such as oleyl amine.
Preferably, the bismuth salt is at least one of bismuth nitrate, bismuth sulfate and bismuth chloride.
It should be noted that the present invention does not have special limitation to the source of bismuth salt, it is ripe using those skilled in the art institute
The raw material for the cosmetics-stage known；Typical typical but non-limiting bismuth salt is bismuth nitrate, bismuth sulfate or bismuth chloride.
Preferably, the bismuth salt is added in the form of bismuth salt solution, preferably with Bi3+Ion concentration is 0.4-0.6mol/L's
The form of bismuth salt solution is added, more preferably with Bi3+Ion concentration is that the form of the bismuth salt solution of 0.48-0.52mol/L is added；It is excellent
Selection of land, the solvent of the bismuth salt solution are hydrochloric acid, preferably the mass fraction hydrochloric acid that is 8%-12%.
Bismuth salt of the present invention is with Bi3+The form of ion concentration indicates dosage.
In a preferred embodiment of the invention, using mass fraction for 8%-12% hydrochloric acid as solvent, can make
Bismuth salt preferably dissolves.
In a preferred embodiment of the invention, by controlling the addition speed of bismuth salt solution, being prepared has properly
The bismuth oxychloride of thickness and size.The addition speed of the bismuth salt solution is 0.6-1mL/min, preferably 0.8mL/min；Bismuth salt
The typical but non-limiting addition speed of solution be 0.6mL/min, 0.65mL/min, 0.7mL/min, 0.75mL/min,
0.8mL/min, 0.85mL/min, 0.9mL/min or 1mL/min etc..
If it is excessively slow that speed is added in bismuth salt solution, the thickness of bismuth oxychloride will be made blocked up, speed is added such as in bismuth salt solution
Fruit is too fast, and the crystal particle diameter of bismuth oxychloride will be made less than 10 μm.
As a kind of preferred embodiment of the invention, the temperature in the preparation process of the coloured bismuth oxychloride pigments is
60-80 DEG C, preferably 65-75 DEG C；The typical but non-limiting temperature of liquid deposition be 60 DEG C, 62 DEG C, 63 DEG C, 65 DEG C, 66 DEG C,
68 DEG C, 69 DEG C, 70 DEG C, 72 DEG C, 73 DEG C, 74 DEG C, 75 DEG C, 77 DEG C, 78 DEG C, 79 DEG C or 80 DEG C etc..
PH in the preparation process of the coloured bismuth oxychloride pigments is 5-7.5, preferably 5-6.It is typical but non-limiting
PH be 5,5.5,6,6.5,7 or 7.5.
It is adjusted it should be noted that this field pH of liquid deposition of the present invention is conventional by the way that aqueous slkali is added；Preferably,
The aqueous slkali is inorganic alkali solution；Preferably, the inorganic alkali solution is sodium hydrate aqueous solution or potassium hydroxide aqueous solution；
Preferably, in the inorganic alkali solution alkali mass fraction be 25%-35%, preferably 30%.
Preferably, the organic pigment is at least one of red, yellow and blue；Preferably, described red for amaranth
At least one of dish is red, carmine and temptation is red；And/or the yellow is at least one of lemon yellow and sunset yellow；
And/or the blue is brilliant blue and at least one of indigo.
It should be noted that the present invention does not have the source of organic pigment and type special limitation, using this field
The raw material of cosmetics-stage known to technical staff.
Preferably, the aqueous slkali containing organic pigment is inorganic alkali solution；
In a preferred embodiment of the invention, organic pigment may make preferably to dissolve using inorganic alkali solution, meanwhile,
It is also beneficial to so that liquid deposition process carries out in the range of pH is 5-7.5.
Preferably, the inorganic alkali solution is sodium hydrate aqueous solution or potassium hydroxide aqueous solution；Preferably, described inorganic
In aqueous slkali the mass fraction of alkali be 0.5%-1.5%, preferably 1%.Preferably, the weight of the organic pigment and aqueous slkali
Volume ratio is 1-3:100g/mL, preferably 1.5-2.5:100g/mL.
In a preferred embodiment of the invention, by reasonably adjusting the mass fraction and organic pigment and alkali of inorganic base
The w/v of solution can preferably control the pH of liquid deposition process.
Preferably, the addition speed of the aqueous slkali containing organic pigment is 0.8-1.2mL/min, preferably 1mL/min.
The typical but non-limiting addition speed of aqueous slkali containing organic pigment be 0.8mL/min, 0.85mL/min, 0.9mL/min,
1mL/min, 1.1mL/min or 1.2mL/min.
In a preferred embodiment of the invention, by controlling the addition speed of the aqueous slkali containing organic pigment, so that having
Color bismuth oxychloride pigments have vivid color and strong gloss.For example, the color of the embodiment of the present invention 1 and embodiment 4-7
Saturation degree and brightness are substantially better than embodiment 10.
As a kind of preferred embodiment of the invention, the molal weight ratio of the bismuth oxychloride and organic pigment is 40-
60:1-3mmol/g, preferably 48-52:1.5-2.5mmol/g.
In a preferred embodiment of the invention, by reasonably adjusting and optimizing the dosage of bismuth oxychloride and organic pigment,
So that bismuth oxychloride is uniformly coated with organic pigment.
As a kind of preferred embodiment of the invention, Al in the bismuth oxychloride, organic pigment and aluminium salt3+The use of ion
Amount is than being 40-60:1-3:140-160mmol/g/mmol.
In a preferred embodiment of the invention, by reasonably adjusting and optimizing the use of coloured bismuth oxychloride pigments each component
Amount, give full play between each component coordinated effect, further increase coloured bismuth oxychloride pigments color saturation and
Brightness.
Aluminium salt of the present invention is with Al3+The form of ion concentration indicates dosage.
As a kind of preferred embodiment of the invention, Al in the bismuth oxychloride, organic pigment and aluminium salt3+The use of ion
Amount is than being 48-52:1.5-2.5:145-155mmol/g/mmol.
Preferably, the aluminium salt is at least one of aluminium chloride, aluminum nitrate and aluminum sulfate.
It should be noted that the present invention does not have special limitation to the source of aluminium salt, it is ripe using those skilled in the art institute
The aluminium salt for the cosmetics-stage known；Typical typical but non-limiting aluminium salt is aluminium chloride, aluminum nitrate or aluminum sulfate.
In a preferred embodiment of the invention, by controlling the concentration of aluminum salt solution and speed being added, so that coloured chlorine
Bismuth oxide pigment has excellent brightness and gloss.Al in aluminum saline solution3+Ion concentration is 1.5-2mmol/mL, Al3+Ion
Typical but non-limiting concentration is 1.5mmol/mL, 1.6mmol/mL, 1.7mmol/mL, 1.8mmol/mL, 1.9mmol/mL
Or 2mmol/mL etc.；The addition speed of the aluminum salt solution is 0.6-1mL/min, preferably 0.8mL/min；Aluminum salt solution is typical
But unrestricted addition speed be 0.6mL/min, 0.65mL/min, 0.7mL/min, 0.75mL/min, 0.8mL/min,
0.85mL/min, 0.9mL/min or 1mL/min etc..
In a preferred embodiment of the invention, pass through Al in control aluminium salt3+The dosage of ion, so that organic pigment is in Al
(OH)3In the presence of stronger be deposited on bismuth oxychloride surface.
According to the third aspect of the present invention, the color chlorine that the present invention provides the color bismuth oxychloride pigments or is prepared
Application of the bismuth oxide pigment in cosmetics.
According to the fourth aspect of the present invention, the present invention provides a kind of cosmetics, including the color bismuth oxychloride pigments
Or the color bismuth oxychloride pigments being prepared.
It should be noted that the present invention has no special limitation to the room temperature, it can be 5-35 DEG C；The room temperature
Typical but non-limiting temperature be 5 DEG C, 6 DEG C, 7 DEG C, 8 DEG C, 9 DEG C, 10 DEG C, 11 DEG C, 12 DEG C, 13 DEG C, 15 DEG C, 17 DEG C, 19 DEG C,
20 DEG C, 22 DEG C, 23 DEG C, 25 DEG C, 27 DEG C, 29 DEG C, 30 DEG C, 33 DEG C or 35 DEG C etc..
Technical solution of the present invention is described further below in conjunction with embodiment and comparative example.
Embodiment 1
(1) solution containing bismuth oxychloride is prepared
In the beaker of 5L, 3000mL deionized water is sequentially added, be added 3g surfactant oleyl amine SV/12, and with
The stirring of 250rps rate, is warming up to 70 DEG C, and adjusting solution ph is 1, and the 0.5mol/ of 100mL is added with the speed of 0.8mL/min
L bismuth nitrate solution (solvent of bismuth nitrate solution is the hydrochloric acid solution that mass fraction is 10%), is maintained with 30% NaOH solution
Solution ph is constant, after charging completely, obtains the solution containing bismuth oxychloride.
(2) yellow bismuth oxychloride pigments are prepared
In the solution containing bismuth oxychloride made from step (1), adjusting PH with 30% sodium hydroxide solution is 6, is obtained
The solution containing bismuth oxychloride for being 6 to pH is prepared under conditions of 70 DEG C and 250rps rate stir in step (1)
PH be 6 the solution containing bismuth oxychloride in, the uranidin solution of the 0.02g/mL of 100mL is added with the speed of 1mL/min
(solvent of uranidin solution is the sodium hydroxide solution that mass fraction is 1%), and it is added 80mL's with the speed of 0.8mL/min
The aluminum chloride aqueous solution of 1.87mmol/mL stops reaction after 100min, and the bismuth oxychloride pigments of preparation arrive predetermined form and aspect, filter,
Filter cake drying is taken out, and is cooled to room temperature, is obtained yellow bismuth oxychloride pigments.
Embodiment 2
In the solution containing bismuth oxychloride made from 1 step of embodiment (1), PH is adjusted with 30% sodium hydroxide solution
It is 6, obtains the solution containing bismuth oxychloride that pH is 6, under conditions of 70 DEG C and 250rps rate stir, in 1 step of embodiment
Suddenly in the solution containing bismuth oxychloride that the pH that (1) is prepared is 6, the 0.02g/mL of 100mL is added with the speed of 1mL/min
Haematochrome solution (solvent of haematochrome solution is the sodium hydroxide solution that mass fraction is 1%), and with the speed of 0.8mL/min
The aluminum chloride aqueous solution of the 1.87mmol/mL of 80mL is added in degree.Stop reaction after 100min, the bismuth oxychloride pigments of preparation are in advance
Fixation phase, filtering, filter cake drying take out, are cooled to room temperature, obtain red bismuth oxychloride pigments.
Embodiment 3
In the solution containing bismuth oxychloride made from 1 step of embodiment (1), PH is adjusted with 30% sodium hydroxide solution
It is 6, obtains the solution containing bismuth oxychloride that pH is 6, under conditions of 70 DEG C and 250rps rate stir, in 1 step of embodiment
Suddenly in the solution containing bismuth oxychloride that the pH that (1) is prepared is 6, the 0.02g/mL of 100mL is added with the speed of 1mL/min
Cyanine solution (solvent of cyanine solution is the sodium hydroxide solution that mass fraction is 1%), and with the speed of 0.8mL/min
The aluminum chloride aqueous solution of the 1.87mmol/mL of 80mL is added in degree.Stop reaction after 100min, the bismuth oxychloride pigments of preparation are in advance
Fixation phase, filtering, filter cake drying take out, are cooled to room temperature, obtain blue bismuth oxychloride pigments.
Embodiment 4
(1) solution containing bismuth oxychloride is prepared
In the beaker of 5L, 2500 deionized waters are sequentially added, 2g surfactant oleyl amine T13 are added, and with 250rps
Rate stirring, is warming up to 60 DEG C, and adjusting solution ph is 0.5, and the Bi of 100mL is added with the speed of 0.6mL/min3+Ion concentration
For the bismuth sulfate solution (solvent of bismuth sulfate solution is the hydrochloric acid solution that mass fraction is 8%) of 0.4mol/L, with 25%
NaOH solution maintains solution ph constant, after charging completely, obtains the solution containing bismuth oxychloride.
(2) yellow bismuth oxychloride pigments are prepared
In the solution containing bismuth oxychloride made from step (1), adjusting PH with 30% sodium hydroxide solution is 5, is obtained
The solution containing bismuth oxychloride for being 5 to pH is prepared under conditions of 60 DEG C and 250rps rate stir in step (1)
PH be 5 the solution containing bismuth oxychloride in, it is molten with the uranidin that the 0.01g/mL of 100mL is added in the speed of 0.8mL/min
Liquid (solvent of uranidin solution is the sodium hydroxide solution that mass fraction is 0.5%), and with the addition of the speed of 1mL/min
The aluminum chloride aqueous solution of the 1.5mmol/mL of 105mL.After charging completely, the bismuth oxychloride pigments of preparation are filtered to predetermined form and aspect,
Filter cake drying is taken out, and is cooled to room temperature, is obtained yellow bismuth oxychloride pigments.
Embodiment 5
(1) solution containing bismuth oxychloride is prepared
In the beaker of 5L, 3500mL deionized water is sequentially added, 4g surfactant lauryl amine is added, and with 250rps
Rate stirring, is warming up to 80 DEG C, and adjusting solution ph is 3, and the 0.6mol/L bismuth chloride of 100mL is added with the speed of 1mL/min
Solution (solvent of bismuth chloride solution is the hydrochloric acid solution that mass fraction is 12%), maintains solution ph with 35% NaOH solution
It is constant, after charging completely, obtain the solution containing bismuth oxychloride.
(2) yellow bismuth oxychloride pigments are prepared
In the solution containing bismuth oxychloride made from step (1), adjusting PH with 30% sodium hydroxide solution is 7.5,
The solution containing bismuth oxychloride that pH is 7.5 is obtained, under conditions of 80 DEG C and 250rps rate stir, is prepared in step (1)
In the solution containing bismuth oxychloride that obtained pH is 7.5, the Huang of the 0.03g/mL of 100mL is added with the speed of 1.2mL/min
Pigment solution (solvent of uranidin solution is the sodium hydroxide solution that mass fraction is 1.5%), and with the speed of 0.6mL/min
The aluminum chloride aqueous solution of the 2mmol/mL of 70mL is added.After charging completely, the bismuth oxychloride pigments of preparation to predetermined form and aspect, mistake
Filter, filter cake drying take out, are cooled to room temperature, obtain yellow bismuth oxychloride pigments.
Embodiment 6
(1) solution containing bismuth oxychloride is prepared
In the beaker of 5L, 3000mL deionized water is sequentially added, be added 2.5g surfactant tetradecy lamine, and with
The stirring of 250rps rate, is warming up to 70 DEG C, and adjusting solution ph is 1.5, is added 100mL's with the speed of 0.8mL/min
0.48mol/L bismuth nitrate solution (solvent of bismuth nitrate solution is the hydrochloric acid solution that mass fraction is 10%), with 30% NaOH
Solution maintains solution ph constant, after charging completely, obtains the solution containing bismuth oxychloride.
(2) yellow bismuth oxychloride pigments are prepared
In the solution containing bismuth oxychloride made from step (1), adjusting PH with 30% sodium hydroxide solution is 6, is obtained
The solution containing bismuth oxychloride for being 6 to pH is prepared under conditions of 65 DEG C and 250rps rate stir in step (1)
PH be 6 the solution containing bismuth oxychloride in, the uranidin solution of the 0.015g/mL of 100mL is added with the speed of 1mL/min
(solvent of uranidin solution is the sodium hydroxide solution that mass fraction is 1%), and it is added 80mL's with the speed of 0.8mL/min
1.87mmol/mL aluminum chloride aqueous solution.After charging completely, the bismuth oxychloride pigments of preparation filter, filter cake dries to predetermined form and aspect
It is dry to take out, it is cooled to room temperature, obtains yellow bismuth oxychloride pigments.
Embodiment 7
(1) solution containing bismuth oxychloride is prepared
In the beaker of 5L, 3000mL deionized water is sequentially added, be added 3.5g surfactant oleyl amine SV/12, and with
The stirring of 250rps rate, is warming up to 70 DEG C, and adjusting solution ph is 1, is added 100mL's with the speed of 0.8mL/min
0.52mol/L bismuth nitrate solution (solvent of bismuth nitrate solution is the hydrochloric acid solution that mass fraction is 10%), with 30% NaOH
Solution maintains solution ph constant, after charging completely, obtains the solution containing bismuth oxychloride.
(2) yellow bismuth oxychloride pigments are prepared
In the solution containing bismuth oxychloride made from step (1), adjusting PH with 30% sodium hydroxide solution is 6, is obtained
The solution containing bismuth oxychloride for being 6 to pH is prepared under conditions of 75 DEG C and 250rps rate stir in step (1)
PH be 6 the solution containing bismuth oxychloride in, the uranidin solution of the 0.025g/mL of 100mL is added with the speed of 1mL/min
(solvent of uranidin solution is the sodium hydroxide solution that mass fraction is 1%), and it is added 80mL's with the speed of 0.8mL/min
1.87mmol/mL aluminum chloride aqueous solution.After charging completely, the bismuth oxychloride pigments of preparation filter, filter cake dries to predetermined form and aspect
It is dry to take out, it is cooled to room temperature, obtains yellow bismuth oxychloride pigments.
Embodiment 8
In the solution containing bismuth oxychloride made from 1 step of embodiment (1), PH is adjusted with 30% sodium hydroxide solution
It is 6, obtains the solution containing bismuth oxychloride that pH is 6, under conditions of 70 DEG C and 250rps rate stir, in 1 step of embodiment
Suddenly in the solution containing bismuth oxychloride that the pH that (1) is prepared is 6, the 0.05g/mL of 100mL is added with the speed of 1mL/min
Uranidin solution (solvent of uranidin solution is the sodium hydroxide solution that mass fraction is 1%), and with the speed of 0.8mL/min
The aluminum chloride aqueous solution of the 1.87mmol/mL of 80mL is added in degree.Stop reaction after 100min, the bismuth oxychloride pigments of preparation are in advance
Fixation phase, filtering, filter cake drying take out, are cooled to room temperature, obtain yellow bismuth oxychloride pigments.
Embodiment 9
In the solution containing bismuth oxychloride made from 1 step of embodiment (1), PH is adjusted with 30% sodium hydroxide solution
It is 6, obtains the solution containing bismuth oxychloride that pH is 6, under conditions of 70 DEG C and 250rps rate stir, in 1 step of embodiment
Suddenly in the solution containing bismuth oxychloride that the pH that (1) is prepared is 6, the 0.002g/ of 100mL is added with the speed of 1mL/min
The uranidin solution (solvent of uranidin solution is the sodium hydroxide solution that mass fraction is 1%) of mL, and with 0.8mL/min's
The aluminum chloride aqueous solution of the 1.87mmol/mL of 80mL is added in speed.Stop reaction after 100min, the bismuth oxychloride pigments of preparation arrive
Predetermined form and aspect, filtering, filter cake drying take out, are cooled to room temperature, obtain yellow bismuth oxychloride pigments.
Embodiment 10
In the solution containing bismuth oxychloride made from 1 step of embodiment (1), PH is adjusted with 30% sodium hydroxide solution
It is 6, obtains the solution containing bismuth oxychloride that pH is 6, under conditions of 70 DEG C and 250rps rate stir, in 1 step of embodiment
Suddenly in the solution containing bismuth oxychloride that the pH that (1) is prepared is 6, the 0.02g/mL of 100mL is added with the speed of 2mL/min
Uranidin solution (solvent of uranidin solution is the sodium hydroxide solution that mass fraction is 1%), and with the speed of 0.8mL/min
The aluminum chloride aqueous solution of the 1.87mmol/mL of 80mL is added in degree.Stop reaction after 100min, the bismuth oxychloride pigments of preparation are in advance
Fixation phase, filtering, filter cake drying take out, are cooled to room temperature, obtain yellow bismuth oxychloride pigments.
Embodiment 11
In the solution containing bismuth oxychloride made from 1 step of embodiment (1), PH is adjusted with 30% sodium hydroxide solution
It is 6, obtains the solution containing bismuth oxychloride that pH is 6, under conditions of 70 DEG C and 250rps rate stir, in 1 step of embodiment
Suddenly in the solution containing bismuth oxychloride that the pH that (1) is prepared is 6, the 0.02g/mL of 100mL is added with the speed of 1mL/min
Uranidin solution (solvent of uranidin solution is the sodium hydroxide solution that mass fraction is 1%), and with the speed of 2mL/min
The aluminum chloride aqueous solution of the 1.87mmol/mL of 80mL is added.Stop reaction after 100min, the bismuth oxychloride pigments of preparation are to making a reservation for
Form and aspect, filtering, filter cake drying take out, are cooled to room temperature, obtain yellow bismuth oxychloride pigments.
Embodiment 12
(1) solution containing bismuth oxychloride is prepared
In the beaker of 5L, 3000mL deionized water is sequentially added, be added 0.95g surfactant oleyl amine SV/12, and with
The stirring of 250rps rate, is warming up to 70 DEG C, and adjusting solution ph is 1, and the 0.5mol/ of 100mL is added with the speed of 0.8mL/min
L bismuth nitrate solution (solvent of bismuth nitrate solution is the hydrochloric acid solution that mass fraction is 10%), is maintained with 30% NaOH solution
Solution ph is constant, after charging completely, obtains the solution containing bismuth oxychloride.
(2) yellow bismuth oxychloride pigments are prepared
It is same as Example 1.
Embodiment 13
Step (1) is identical as (1) the step of embodiment 1, and the difference of step (2) and embodiment 1 is that bismuth salt is not added
Solution, other steps are same as Example 1；Obtain yellow bismuth oxychloride pigments.
Embodiment 14
Step (1) is identical as (1) the step of embodiment 3, and the difference of step (2) and embodiment 3 is that bismuth salt is not added
Solution, other steps are same as Example 3；Obtain blue bismuth oxychloride pigments.
Comparative example 1
The mica titanium silvery white pearlescent pigment that 100g partial size is 15 μm, radius-thickness ratio >=60 is weighed, is placed in the beaker of 5L, is added
2000mL deionized water, is put in water-bath, and with the stirring of 250rps rate, is warming up to 70 DEG C, molten with 30% sodium hydroxide
It is 6 that liquid, which rises PH, 15g uranidin/7500ml sodium hydroxide (1%) solution then is added with the speed of 1mL/min, and with 0.8mL/
The aluminum chloride aqueous solution of the 1.87mmol/mL of 620mL is added in the speed of min, stops reaction after adding, and arrives predetermined form and aspect, filters,
Filter cake drying is taken out, and is cooled to room temperature.Test example 1
The quality evaluation of embodiment 1 and embodiment 4-9 and comparative example 1 is using the common method for spraying plate.By the reality of 4g
It applies example 1 and embodiment 4-9 and pigment that comparative example 1 is prepared is respectively added to 4g butyl acetate and 8g polyester coating tree
In rouge, after mixing evenly, plate is then sprayed, then test color and finish with X-RiteMA68 color difference meter, the results are shown in Table 1.
1 embodiment 1 of table, embodiment 4-7, the color of comparative example 1 and finish
Embodiment 1 and embodiment 4-7 and the product of comparative example 1 are in identical form and aspect, color saturation (C* value) and brightness
(L* value) is improved, and especially color saturation (C* value) significantly improves.
The additional amount of organic pigment is more in embodiment 8, leads to the brightness (L* of coloured bismuth oxychloride pigments being prepared
Value) it reduces, the additional amount of organic pigment is less in embodiment 9, keeps the color for the coloured bismuth oxychloride pigments being prepared inadequate
Bright-coloured, color saturation (C* value) is lower.
The addition excessive velocities of organic pigment, keep the cladding of organic pigment uneven in embodiment 10, so that final preparation
The brightness (L* value) of obtained coloured bismuth oxychloride pigments is lower.
The addition excessive velocities of aluminium salt in embodiment 11 so that during preparing coloured bismuth oxychloride pigments, early period aluminium
Salt generates more Al (OH)3, deuterogenic Al (OH)3It is less, it also will be so that pigment coats uneven, brightness (L* value)
It is lower.
The additional amount of surfactant is less in embodiment 12 so that the crystal particle diameter for the bismuth oxychloride being prepared compared with
Small, thickness becomes larger, so that the brightness (L* value) for the coloured bismuth oxychloride pigments being finally prepared is lower, hiding rare is poor.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of coloured bismuth oxychloride pigments, which is characterized in that the coloured bismuth oxychloride pigments are using sheet bismuth oxychloride as base
Material, sheet bismuth oxychloride surface coat organic pigment；
Preferably, the crystal particle diameter of the sheet bismuth oxychloride is 10-15 μm；
Preferably, the shape of the sheet bismuth oxychloride is square or octagon；
Preferably, the organic pigment is at least one of red, yellow and blue；
Preferably, the red is amaranth, famille rose and lures at least one of red；And/or the yellow is lemon yellow
At least one of with sunset yellow；And/or the blue is brilliant blue and at least one of indigo；
Preferably, the molal weight of the bismuth oxychloride and organic pigment ratio is 40-60:1-3mmol/g, preferably 48-52:
1.5-2.5mmol/g。
2. coloured bismuth oxychloride pigments according to claim 1, which is characterized in that sheet bismuth oxychloride surface cladding
Organic pigment and Al (OH)3；
Preferably, the bismuth oxychloride, organic pigment and Al (OH)3Amount ratio be 40-60:1-3:140-160mmol/g/
Mmol, preferably 48-52:1.5-2.5:145-155mmol/g/mmol.
3. the preparation method of coloured bismuth oxychloride pigments of any of claims 1 or 2, which comprises the following steps:
The aqueous slkali containing organic pigment is slowly added dropwise into the solution containing bismuth oxychloride, organic pigment is made to be coated on bismuth oxychloride
Surface, controlling pH during dropwise addition is 5-7.5, obtains coloured bismuth oxychloride pigments.
4. preparation method according to claim 3, which is characterized in that slowly dripped simultaneously into the solution containing bismuth oxychloride
Add aqueous slkali and aluminium salt containing organic pigment, makes organic pigment and Al (OH)3It is coated on bismuth oxychloride surface, during dropwise addition
Control pH is 5-7.5, obtains coloured bismuth oxychloride pigments.
5. preparation method according to claim 3 or 4, which is characterized in that under conditions of being 0.5-3 for 60-80 DEG C and pH,
Bismuth salt is added into the aqueous solution of surfactant, obtains the solution containing bismuth oxychloride；
Preferably, the surfactant, the Bi in bismuth salt3+The feed ratio of ion and water is 2-4:40-60:2500-3500g/
Mmol/mL, preferably 2.5-3.5:48-52:3000g/mmol/mL；
Preferably, the pH in the preparation process of the solution containing bismuth oxychloride is 0.5-1.5；
Preferably, the surfactant is nonionic surface active agent, preferably in lauryl amine, tetradecy lamine and oleyl amine extremely
Few one kind；
Preferably, the bismuth salt is at least one of bismuth nitrate, bismuth sulfate and bismuth chloride；
Preferably, the bismuth salt is added in the form of bismuth salt solution, preferably with Bi3+Ion concentration is the bismuth salt of 0.4-0.6mol/L
The form of solution is added, more preferably with Bi3+Ion concentration is that the form of the bismuth salt solution of 0.48-0.52mol/L is added；
Preferably, the solvent of the bismuth salt solution be hydrochloric acid, preferably mass fraction be 8%-12% hydrochloric acid；
Preferably, the addition speed of the bismuth salt solution is 0.6-1mL/min, preferably 0.8mL/min.
6. preparation method according to claim 3 or 4, which is characterized in that the preparation of the coloured bismuth oxychloride pigments
Temperature in journey is 60-80 DEG C, preferably 65-75 DEG C；
Preferably, the pH in the preparation process of the coloured bismuth oxychloride pigments is 5-6；
Preferably, the organic pigment is at least one of red, yellow and blue；
Preferably, the red is amaranth, famille rose and lures at least one of red；And/or the yellow is lemon yellow
At least one of with sunset yellow；And/or the blue is brilliant blue and at least one of indigo；
Preferably, the aqueous slkali containing organic pigment is inorganic alkali solution；
Preferably, the inorganic alkali solution is sodium hydrate aqueous solution or potassium hydroxide aqueous solution；
Preferably, in the inorganic alkali solution alkali mass fraction be 0.5%-1.5%, preferably 1%；
Preferably, the w/v of the organic pigment and aqueous slkali is 1-3:100g/mL, preferably 1.5-2.5:100g/
mL；
Preferably, the addition speed of the aqueous slkali containing organic pigment is 0.8-1.2mL/min, preferably 1mL/min.
7. preparation method according to claim 3, which is characterized in that the molal weight of the bismuth oxychloride and organic pigment
Than for 40-60:1-3mmol/g, preferably 48-52:1.5-2.5mmol/g.
8. the preparation method according to claim 4, which is characterized in that Al in the bismuth oxychloride, organic pigment and aluminium salt3+
The amount ratio of ion is 40-60:1-3:140-160mmol/g/mmol, preferably 48-52:1.5-2.5:145-155mmol/g/
mmol；
Preferably, the aluminium salt is at least one of aluminium chloride, aluminum nitrate and aluminum sulfate；
Preferably, the aluminium salt is added in the form of aluminum saline solution；It is preferred that with Al3+Ion concentration is the aluminium of 1.5-2mmol/mL
The form of saline solution is added；
Preferably, the addition speed of the aluminum saline solution is 0.6-1mL/min, preferably 0.8mL/min.
9. the color bismuth oxychloride that any one of color bismuth oxychloride pigments of any of claims 1 or 2 or claim 3-8 are prepared
Application of the pigment in cosmetics.
10. a kind of cosmetics, including the preparation of any one of color bismuth oxychloride pigments of any of claims 1 or 2 or claim 3-8
Obtained color bismuth oxychloride pigments.
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| CN107365513A (en) * | 2017-07-10 | 2017-11-21 | 林中 | A kind of preparation method for coating Prussian blue or Prussian blue analogue pigment |
| CN107383939A (en) * | 2017-07-10 | 2017-11-24 | 林中 | A kind of preparation method for coating Prussian blue or Prussian blue analogue pigment |
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| CN101935022A (en) * | 2010-02-05 | 2011-01-05 | 袁占辉 | Plate-type bismuth oxychloride crystal with controllable shape and preparation method thereof |
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