CN108250802A - A kind of pearlescent pigment with matte effect and its preparation method and application - Google Patents
A kind of pearlescent pigment with matte effect and its preparation method and application Download PDFInfo
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- CN108250802A CN108250802A CN201810135038.8A CN201810135038A CN108250802A CN 108250802 A CN108250802 A CN 108250802A CN 201810135038 A CN201810135038 A CN 201810135038A CN 108250802 A CN108250802 A CN 108250802A
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- light scattering
- pearlescent pigment
- clad
- scattering structure
- matte effect
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/0015—Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings
-
- 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
-
- 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
- A61K8/26—Aluminium; Compounds thereof
-
- 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
- A61K8/29—Titanium; Compounds thereof
-
- 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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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/04—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
- C09C3/043—Drying, calcination
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
- C09C3/063—Coating
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/12—Treatment with organosilicon compounds
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/36—Pearl essence, e.g. coatings containing platelet-like pigments for pearl lustre
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C2200/00—Compositional and structural details of pigments exhibiting interference colours
- C09C2200/20—Interference pigments comprising a layer with a concentration gradient or a gradient of the refractive index
- C09C2200/205—Interference pigments comprising a layer with a concentration gradient or a gradient of the refractive index of coloured inorganic materials
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- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C2200/00—Compositional and structural details of pigments exhibiting interference colours
- C09C2200/20—Interference pigments comprising a layer with a concentration gradient or a gradient of the refractive index
- C09C2200/207—Interference pigments comprising a layer with a concentration gradient or a gradient of the refractive index of carbonaceous material, e.g. carbon black, graphite or SWNT
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C2200/00—Compositional and structural details of pigments exhibiting interference colours
- C09C2200/40—Interference pigments comprising an outermost surface coating
- C09C2200/401—Inorganic protective coating
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C2200/00—Compositional and structural details of pigments exhibiting interference colours
- C09C2200/40—Interference pigments comprising an outermost surface coating
- C09C2200/402—Organic protective coating
- C09C2200/403—Low molecular weight materials, e.g. fatty acids
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C2200/00—Compositional and structural details of pigments exhibiting interference colours
- C09C2200/40—Interference pigments comprising an outermost surface coating
- C09C2200/402—Organic protective coating
- C09C2200/407—Organosilicon materials, e.g. silanes, silicones
- C09C2200/408—Organosilicon materials, e.g. silanes, silicones comprising additional functional groups, e.g. –NH2, -C=C- or -SO3
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- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C2200/00—Compositional and structural details of pigments exhibiting interference colours
- C09C2200/50—Interference pigments comprising a layer or a core consisting of or comprising discrete particles, e.g. nanometric or submicrometer-sized particles
- C09C2200/505—Inorganic particles, e.g. oxides, nitrides or carbides
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Abstract
The present invention relates to a kind of pearlescent pigments with matte effect and its preparation method and application; the pearlescent pigment includes pearlescent pigment base material and the single-layer or multi-layer clad formed in the pearlescent pigment substrate surface; contain light scattering structure in wherein at least one layer of clad; wherein the refractive index of the light scattering structure is 0.2 2.0 with the refringence of corresponding clad; and the light scattering structure is granules of pigments or the hole for having a diameter of 1/4 to 2 times of visible wavelength, which includes：By light scattering structure and/or light scattering structure precursor dispersion in being used to form in the coating precursor of clad；Coating and light scattering structure and/or light scattering structure precursor are coated on pearlescent pigment substrate surface together under conditions of the pH value of control system；Filtering, dry and/or high-temperature calcination.The pearlescent pigment is used in the cosmetics or coating with matte effect, even if still showing preferable matte effect when the grain size of base material is larger.
Description
Technical field
The present invention relates to a kind of pigment, more specifically to a kind of pearlescent pigment with matte effect and its preparation
Method and purposes.
Background technology
Pigment or powder with photoextinction are widely used in Coating Matting, cosmetics are hidden in the products such as the flaw.But
The present powder with photoextinction is usually spherical particle, and grain size is greater than the half of the wavelength of visible ray, but
Be general flatting silica because grain size is more finely divided more difficult, influence its use；The another kind of dumb light powder that is commonly used is
The flaky material of small particle, it is poor compared with the flatting silica of front using the photoextinction of this kind of pigment, but can be provided because of it soft
The interference colours of sum and be widely used, but the type powder because grain size it is thinner, prepare and use when it is more difficult, limit
It is widely used.Merck is proposed obtains dumb light pigment in sheet substrate surface granules of pigments of the cladding with photoextinction, but
It is that there are still the problem of difficulties in dispersion.
When the principle of delustring is particle of the light by certain grain size, the main optical phenomena occurred based on scattering is made
Diffusing reflection phenomenon occurs into light, gloss is relatively low.Particle is scattered, refractive index will will have difference with surrounding medium,
And it is the bigger the better.For flaky material, grain size is thinner, and the ratio shared by marginal portion is about big, the scattering of light
Shared ratio is bigger, shows that gloss is lower, and matte effect is more showed.But for flake pigment, grain size is thinner,
It is more difficult during preparation and use, influence large-scale use.And grain size is bigger, using relatively easy, but its height dodges
Bright gloss is then gradually embodied, this is for needing to hide the cosmetics of flaw non-packed effect or having the use of the coating of matte effect
It is unfavorable.
Invention content
The defects of the purpose of the invention is to overcome existing pigment or powder with photoextinction, to reach the present invention
Purpose, the present invention provides a kind of pearlescent pigment with matte effect, the pearlescent pigment include pearlescent pigment base material and
The single-layer or multi-layer clad that the pearlescent pigment substrate surface is formed contains light scattering knot in wherein at least one layer of clad
Structure,
The refractive index of the light scattering structure is 0.2-2.0 with the refringence of corresponding clad, and
The light scattering structure is granules of pigments or the hole for having a diameter of 1/4 to 2 times of visible wavelength.
In another preferred embodiment of the present invention, a diameter of visible wavelength 1/4 to 1 of the light scattering structure
Times.
In another preferred embodiment of the present invention, the hole be by light scattering structure precursor through subsequent processing from
Disappear what is formed in the clad.
In another more preferable embodiment of the present invention, the light scattering structure precursor is carbon black granules and/or has
Machine composition granule, and the subsequent processing is high-temperature calcination；Or the light scattering structure precursor is particles of inorganic material, and described
Subsequent processing is to be used to form the acidity of clad or alkalinity cladding with the dissolving of acid or alkaline solution or in subsequent coat
It is dissolved during object precursor.
In another more preferable embodiment of the present invention, the particles of inorganic material is calcium oxide, calcium carbonate, oxidation
One or more mixtures in magnesium, magnesium carbonate, and the subsequent processing is with acid leach solution or subsequent
Cladding dissolves during being used to form the acid or alkaline coating precursor of clad.
In another preferred embodiment of the present invention, the clad is high refractive index metal and/or nonmetallic oxygen
Compound and/or hydroxide or salt, the metal and/or nonmetal oxide and/or hydroxide and/or salt of low-refraction or
The arbitrary combination of more than substance.
In another more preferable embodiment of the present invention, wherein the clad is titanium oxide, silica and oxygen
Change one or more combinations in iron.
The present invention also provides a kind of preparation method of the pearlescent pigment with matte effect, which includes：
(1) by granules of pigments and/or light scattering structure precursor dispersion in being used to form in the coating precursor of clad；
(2) by coating precursor and granules of pigments and/or light scattering structure precursor under conditions of the pH value of control system
It is coated on pearlescent pigment substrate surface together；
(3) it filters, dry and/or high-temperature calcination, that is, obtains the pigment with matte effect.
In another preferred embodiment of the present invention, this method is additionally included in after step (2) and before step (3)
The surface of step (2) resulting product is carried out to the cladding of organic matter.
In another preferred embodiment of the present invention, when the clad is multilayer, the cladding of the organic matter
It is carried out after every layer of coating precursor is coated or the cladding of the organic matter is to coat last layer of coating precursor
It carries out later.
In another preferred embodiment of the present invention, the organic matter is siloxanes, aliphatic acid or its mixture.
In another preferred embodiment of the present invention, the surface of the granules of pigments coats the organic matter.
The present invention also provides the pearlescent pigments with matte effect of the invention to prepare the change with matte effect
Purposes in cosmetic or coating.
" pearlescent pigment base material " can have the material of arbitrary shape in the present invention, for example, spherical, spherical, sheet etc..
The preferred pearlescent pigment base material is sheet in the present invention；The flaky pearlescent pigment base material preferably its grain size is 1-1000 μm, more
Preferable particle size is 5-200 μm, still more preferably 10-100 μm.Preferably the flaky pearlescent pigment base material is natural cloud in the present invention
Mother, synthetic mica, flake aluminum, synthetic mica iron oxide, titanium dioxide silicon chip, alundum (Al2O3) piece, boron nitride piece or its mixing
Object, more preferable natural mica, synthetic mica, sheet glass or combination.
The number of plies of " clad " is not particularly limited in the present invention, can be individual layer or multilayer.The individual layer or
Multilayer can be the gold of high refractive index metal and/or nonmetal oxide and/or hydroxide or salt or low-refraction
Category and/or nonmetal oxide and/or hydroxide and/or salt can also be the arbitrary combinations of more than structure.It is excellent in the present invention
It is one or more combinations in titanium oxide, silica, iron oxide to select clad.
" light scattering structure " has light scattering effect in the present invention, achievees the effect that delustring, a diameter of visible wavelength
1/4 and Yi Shang grain size granules of pigments or hole, the present invention preferably light scattering structure a diameter of visible wavelength 1/4 to
5 times, 1/4 to 2 times of a diameter of visible wavelength of further preferred light scattering structure；More preferably light scattering structure is a diameter of
1/4 to 1 times of visible wavelength.
For the matte effect for obtaining the effect of best light scattering so as to reach best, the refractive index of light scattering structure with
Refringence of coating is 0.2-2.0, more preferable 0.5-1.5 around it.Generally preferably with respect to the light scattering knot of high refractive index
Structure coats together with the clad substance of low-refraction, the light scattering structure of low-refraction and the clad substance one of high refractive index
Play cladding.
As " granules of pigments " of light scattering structure can be heat safe organic pigment particle in the present invention or inorganic
Granules of pigments, their graininess in high temperature and subsequent processing procedure will not be destroyed or retain substantially, and pass through
There is larger refringence with corresponding clad after processing, along with the spherical structure of itself, increase light scattering
Ratio reduces gloss.Preferably the granules of pigments is one or more of titanium dioxide, iron oxide and cobalt aluminium pigment in the present invention
Mixture.In the preparation process in accordance with the present invention, which preferably handles to be formed on its surface organic matter through organic matter
Clad.The granules of pigments handled by organic matter is coated in clad, can be as light after high-temperature process is calcined
" granules of pigments " of diffusing structure forms one layer of gap between clad, can further reduce gloss.
As the effect of " hole " of light scattering structure to pigment gloss and the pigment with photoextinction in the present invention
Grain has similar effect.The typically no special limitation in the hole, but the present invention preferably with high refractive index clad substance one
Cladding is played, to obtain maximum refringence, so as to obtain best extinction effect.The hole is by light scattering knot in the present invention
Structure precursor disappears what is formed through subsequent processing from the clad.It is preferred that light scattering structure precursor is carbon black granules and/or has
Machine composition granule, they disappear from clad subsequently through high-temperature calcination or preferably light scattering structure precursor is particles of inorganic material, it
Subsequently through the dissolving of acid or alkaline solution or before subsequent cladding is used to form the acid or alkaline coating of clad
It dissolves during body and disappears from clad.It is preferred that the particles of inorganic material is in calcium oxide, calcium carbonate, magnesia, magnesium carbonate
One or more mixtures, they subsequently disappear through acid leach solution from clad.
In the present invention when clad is multilayer, light scattering structure may be present in one layer therein, also be present in wherein
Several layers of or whole layers, be preferably in outermost layer.The light scattering structure that different clads contain can be the same or different.
In the present invention granules of pigments or be used to form hole light scattering structure precursor dosage be layer to be covered weight
0.1-80%.
For the present invention for further reduce brightness, pigment of the acquisition with extinction effect can be in the pigment of coating
Surface carries out the cladding of organic matter again, later removes the organic matter after high-temperature calcination, with further reduce brightness, obtains
More preferably matte effect.The organic matter coated in the present invention can be siloxanes or aliphatic acid or its salt or its group
It closes.Preferably the organic matter dosage is the 0%-40%, more preferable 1-10% of pearlescent pigment substrate weight used in the present invention.
Preferably the siloxanes is the alkylsiloxane for having Long carbon chain in the present invention.
Preferably the aliphatic acid is higher fatty acids in the present invention, the preferred stearic acid of the higher fatty acids or odium stearate, oil
Acid or enuatrol or its mixture.
The facilitation principle of matte effect is still not very clear about organic matter, but may in high-temperature burning process
Oxidation operation needs to consume oxygen, cause pigment cover surface specific time reducing atmosphere caused by clad
Specific crystal formation thaumatropy generates clad particle particular size or arranges related.
The pearlescent pigment powder with matte effect of the present invention, can be directly added into cosmetics or coating and disperse.This
For the pearlescent pigment with matte effect of invention when being used to prepare cosmetics or coating, dosage is the cosmetics or coating
Total weight 0.1-99%, more preferable 3-80%.
Even if the pearlescent pigment of the present invention still shows preferable matte effect when the grain size of base material is larger, with small particle
Pearlescent pigment compare, more convenient to use, dispersion is more prone to；Compared with same particle size pearlescent pigment, have and preferably hide
Gai Li, brightness is low, has apparent screening flaw effect.
Description of the drawings
Fig. 1 a and 1b are the pearlescent pigment schematic diagrames with matte effect prepared by embodiment 1, and carbon black granules are included in 1a,
Void structure is included in 1b).
Specific embodiment
With reference to specific embodiment, the present invention is further explained, it should be appreciated that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.Test method without specific conditions in the following example, usually according to conventional strip
Part operates.
Embodiment 1
In the reactor, the sheet compound mica of 50g grain sizes 10-60um is added in, adds water to 500mL, heating stirring is extremely
78 DEG C, system pH is adjusted to 2.0, is added in sodium hydroxide is used and under conditions of maintenance system pH stabilizations into system later
Enter the dichloro oxygen titanium aqueous solution of the 1M of 200mL and the mixed solution of 10g carbon black granules composition, carbon black granules grain size is 100-
250nm；Backward system in add in 2g stearic acid, at 78 DEG C after stirring 0.5h, filter simultaneously dry, 750 DEG C are calcined 10 minutes, are obtained
Obtain the pigment with matte effect.
The structure of the pigment is titanium dioxide layer of the sheet compound mica surface cladding containing void structure.
It is applied in muffin, can obtains with the powder for hiding flaw effect.
Embodiment 2
In the reactor, the foliated glass piece of 50g grain sizes 40-200um is added in, adds water to 600mL, heating stirring to 78
DEG C, system pH is adjusted to 8.0, adds in 150mL's in potassium hydroxide is used and under conditions of maintenance system pH stabilizations later
The sodium silicate aqueous solution of 1M and 20g powdery calcium oxide (grain size 150-500nm)；It is 2.8 that system pH is adjusted to pH later, it
Afterwards using the ferric chloride in aqueous solution for the 1M that 350mL is added in potassium hydroxide and under conditions of maintenance system pH stabilizations, charging finishes,
It filters and is washed with water, calcined 10 minutes at 500 DEG C after 100 DEG C of dryings, obtain the pigment with matte effect.
The structure of the pigment is that foliated glass piece surface coats silicon dioxide layer and iron oxide containing void structure successively
Layer.
Embodiment 3
In the reactor, add in the synthetic mica of 70g grain sizes 20-100um, add water to 800mL, heating stirring to 78 DEG C,
System pH is adjusted to after 3.0 add in sodium hydroxide is used and under conditions of maintenance system pH stabilizations to the 0.5M's of 50mL
The mixed solution of ferric chloride in aqueous solution and 10g carbon blacks (initial particle 100-250nm) composition, is adjusted to pH by system pH later
It is 8.5, the sodium silicate aqueous solution and 20g that the 1M of 450mL is added under conditions of being stablized later using hydrochloric acid maintenance system pH are aoxidized
System pH is adjusted to 2.1 by the mixture of magnesium (initial particle 200-800nm) later, is using sodium hydroxide maintenance system pH
Under the conditions of, 200mL dichloro oxygens titanium and cobalt aluminium indigo plant pigment (the grain size 400-1300nm of cobalt aluminium indigo plant pigment) are added in, charging finishes, mistake
It filters, be washed with water, being calcined 10 minutes at 800 DEG C after 110 DEG C of dryings, obtaining the pigment of dumb light.
The structure of the pigment is that synthetic mica coats the iron oxide layer containing partial holes structure successively, contains partial holes
Silicon dioxide layer and titanium dioxide layer containing cobalt aluminium pigment.
Embodiment 4
In the reactor, the synthetic mica of 70g grain sizes 20-80um is added in, adds water to 800mL, heating stirring, will to 78 DEG C
System pH is adjusted to 1.8, adds in the two of the 1M of 50mL in sodium hydroxide is used and under conditions of maintenance system pH stabilizations later
Chlorine oxygen titanium aqueous solution, it is 8.5 that system pH is adjusted to pH later, is added under conditions of being stablized later using hydrochloric acid maintenance system pH
Enter the sodium silicate aqueous solution of the 1M of 450mL and 20g calcium carbonate (grain size 200-600nm) mixture, be later adjusted to system pH
2.0, under the conditions of sodium hydroxide maintenance system pH is used, 100mL dichloro oxygen titaniums are added in, charging finishes, and adds in 3g magnesium stearates,
0.5h is stirred at 78 DEG C, filters, be washed with water later, being calcined 10 minutes at 600 DEG C after 110 DEG C of dryings, obtaining the face of dumb light
Material.
The structure of the pigment is synthetic mica surface cladding titanium dioxide layer successively, the silica containing partial holes
Layer and titanium dioxide layer.
Embodiment 5
In the reactor, add in the natural mica piece of 70g grain sizes 10-60um, add water to 800mL, heating stirring to 78 DEG C,
PH is adjusted to 1.8, adds in the dichloro of the 1M of 50mL in sodium hydroxide is used and under conditions of maintenance system pH stabilizations later
Oxygen titanium aqueous solution, add after add in 3mL γ-aminopropylsilanes, system pH is adjusted to pH as 8.5 later, later using hydrochloric acid
Maintenance system pH adds in the sodium silicate aqueous solution of the 1M of 150mL under conditions of stablizing and 5g carbon blacks (grain size 100nm-250nm) mix
Object is closed, system pH is adjusted to 2.0 later, under the conditions of sodium hydroxide maintenance system pH, adds in 100mL dichloro oxygen titaniums, charging
Finish, add in 6g hexyl triethoxysilanes, stir 0.5h at 78 DEG C, filter, be washed with water later, after 110 DEG C of dryings 650
It is calcined 10 minutes at DEG C, obtains the pigment of dumb light.
The structure of the pigment is natural mica piece surface cladding titanium dioxide layer and the titanium dioxide containing partial holes successively
Silicon layer.
Embodiment 6
In the reactor, the sheet glass of 70g average grain diameters 40um is added in, adds water to 800mL, heating stirring, will to 78 DEG C
System pH is adjusted to 3.0, adds in the chlorine of the 1M of 500mL in sodium hydroxide is used and under conditions of maintenance system pH stabilizations later
Change water solution and the ferric oxide red colorant (grain size 200-600nm) of 10g γ-aminopropylsilanes processing, add after to add in 5g stearic
Acid stirs 0.5h at 78 DEG C, filters, is washed with water later, being calcined 10 minutes at 650 DEG C after 110 DEG C of dryings, obtaining dumb light
Pigment.
The structure of the pigment is titanium oxide layer of the glass sheet surface cladding containing ferric oxide red colorant.
Embodiment 7
In the reactor, titanium dioxide silicon chip of the 100g average grain diameters at 60 μm is added in, adds water to 900mL, heating stirring is extremely
78 DEG C, system pH is adjusted to 2.0, is added in sodium hydroxide is used and under conditions of maintenance system pH stabilizations into system later
Enter the dichloro oxygen titanium aqueous solution of the 1M of 300mL and the suspension of 15g carbon black granules (grain size 100-250nm) composition；It is stirred at 78 DEG C
After mixing 0.5h, filter and dry, that is, obtain the pigment with matte effect.
The structure of the pigment is titanium dioxide layer of the titanium dioxide silicon chip surface cladding containing carbon black granules.
All documents that the present invention refers to all in this application using as reference, are individually drawn just as each document
It is used as with reference to such.In addition, it should also be understood that, after reading the above teachings of the present invention, those skilled in the art can be with
The present invention is made various changes or modifications, such equivalent forms equally fall within the model that the application the appended claims are limited
It encloses.
Claims (10)
1. a kind of pearlescent pigment with matte effect, which includes pearlescent pigment base material and in the pearlescent pigment base material
The single-layer or multi-layer clad that surface is formed,
Contain light scattering structure in wherein at least one layer of clad,
The refractive index of the light scattering structure is 0.2-2.0 with the refringence of corresponding clad, and
The light scattering structure is granules of pigments or the hole for having a diameter of 1/4 to 2 times of visible wavelength.
2. the pearlescent pigment according to claim 1 with matte effect, wherein a diameter of of the light scattering structure can
See 1/4 to 1 times of optical wavelength.
3. the pearlescent pigment according to claim 1 or 2 with matte effect, wherein the hole is by light scattering structure
Precursor is through disappearing what is formed in clad of the subsequent processing where it.
4. the pearlescent pigment according to claim 3 with matte effect, wherein the light scattering structure precursor is carbon black
Particle and/or organic particle, and the subsequent processing is high-temperature calcination；Or the light scattering structure precursor is inorganic matter
Grain, and the subsequent processing be with the dissolving of acid or alkaline solution or follow-up cladding be used to form clad acidity or
It is dissolved during alkaline coating precursor.
5. the pearlescent pigment according to claim 1 or 2 with matte effect, wherein the clad is high refractive index gold
Category and/or nonmetal oxide and/or hydroxide or salt, the metal and/or nonmetal oxide and/or hydrogen-oxygen of low-refraction
The arbitrary combination of compound and/or salt or more substance.
6. claim 1-5 any one of them has the preparation method of the pearlescent pigment of matte effect, the wherein preparation method
Include the following steps：
(1) by granules of pigments and/or light scattering structure precursor dispersion in being used to form in the coating precursor of clad；
(2) coating precursor and granules of pigments and/or light scattering structure precursor are wrapped together under conditions of control system pH value
Overlay on pearlescent pigment substrate surface；
(3) after cladding terminates, filtering, dry and/or high-temperature calcination obtain the pigment with matte effect.
7. preparation method according to claim 6, this method is additionally included in after step (2) and will step before step (3)
Suddenly the surface of (2) resulting product carries out the cladding of organic matter.
8. preparation method according to claim 7, wherein when the clad is multilayer, the cladding of the organic matter is
The cladding of organic matter carried out after every layer of coating precursor is coated or described be last layer of coating precursor of cladding it
It carries out afterwards.
9. preparation method according to claim 7, wherein the organic matter is siloxanes, aliphatic acid or its mixture.
10. claim 1-5 any one of them has the pearlescent pigment of matte effect or claim 6-9 any one of them
Purposes of the pearlescent pigment with matte effect prepared by preparation method in cosmetics or coating with matte effect are prepared.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110183875A (en) * | 2018-06-29 | 2019-08-30 | 林一中 | A kind of pigment of high brightness and its preparation method and application |
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| CN108250802B (en) | 2020-09-15 |
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Effective date of registration: 20230718 Address after: 201600 Building 1, 38 Tongshun Road, Dongjing Town, Songjiang District, Shanghai Patentee after: Shanghai jianuova Cosmetics Co.,Ltd. Address before: 325505 Peng Xi Zhen Peng Xi Cun Nei Cun, Taishun County, Wenzhou City, Zhejiang Province Patentee before: Lin Yizhong |