CN108456437A - Inorganic pigment and its preparation method and application - Google Patents
Inorganic pigment and its preparation method and application Download PDFInfo
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- CN108456437A CN108456437A CN201810006186.XA CN201810006186A CN108456437A CN 108456437 A CN108456437 A CN 108456437A CN 201810006186 A CN201810006186 A CN 201810006186A CN 108456437 A CN108456437 A CN 108456437A
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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
- C09C1/40—Compounds of aluminium
- C09C1/42—Clays
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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
- C09C1/36—Compounds of titanium
- C09C1/3607—Titanium dioxide
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- Dispersion Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
The present invention relates to pigment manufacture fields, specifically, providing a kind of inorganic pigment and its preparation method and application.Inorganic pigment provided by the invention, primary raw material include titanium dioxide, calcium oxide and kaolin.The inorganic pigment kaolin expands the application range of pigment, will not be polluted to human body and environment instead of traditional plumbous chromate, the harmful materials such as cadmium sulfide.Inorganic pigment provided by the invention is all prepared by inorganic material simultaneously, and the performances such as light resistance, tinting strength, tinting power, covering power and water resistance are fine, and ingredient is uniform, and performance is stablized, and raw material sources are extensive, thus cost is relatively low.The preparation method of above-mentioned inorganic pigment provided by the invention calcines mixed raw material under the conditions of 850 1250 DEG C, is obtained after cooling.This method is easy to operate, does not have particular/special requirement to equipment, at low cost, can be used for large-scale industrial production.
Description
Technical field
The present invention relates to pigment manufacture fields, in particular to a kind of inorganic pigment and its preparation method and application.
Background technology
In the production of the floor tile of building trade, square brick and color ceramic aggregate, need to use pigment to green body progress
Coloring, wherein the usage amount of pigment is maximum in the production of square brick.
Pigment is divided into organic pigment and inorganic pigment.Inorganic pigment be non-ferrous metal oxide or some metals it is insoluble
The metal salt of property, can be divided into two class of achromatic pigment and color pigment.Wherein, achromatic pigment includes from white, grey to black
A series of pigment, they only show the difference of reflection light quantity, the i.e. difference of brightness.Color pigment then can be to certain wavelength
Light is selectively absorbed, and out a variety of different colors are presented in the light reflection of its commplementary wave length.
Yellow organic dye mainly has lead chromate yellow (plumbous chromate), zinc yellow (zinc chromate), cadmium yellow (cadmium sulfide) and iron at present
Kinds such as yellow (hydrated ferric oxides).Wherein the most extensive with the purposes of lead chromate yellow (plumbous chromate), yield is also maximum.But lead chromium
Huang is easily dimmed under solar radiation；The covering power and tinting strength, tinting power of zinc yellow are again poor compared with lead chromate yellow；And tinting strength, tinting power and the screening of cadmium yellow
Lid power is also not so good as lead chromate yellow, and cost is also higher, is limited using upper.Meanwhile lead chromate yellow and cadmium yellow contain heavy metal, therefore
It cannot be used for toy for children, school supply and stationery and the coloring of food packaging.A kind of safety is developed, environmentally friendly and cheap can generation
Substance for above-mentioned Yellow organic dye has great importance.
In view of this, special propose the present invention.
Invention content
The first object of the present invention is to provide a kind of inorganic pigment, poisonous and harmful to alleviate existing inorganic pigment, answers
With the technical problem being limited in scope and performance is bad.
The second object of the present invention is to provide the preparation method of above-mentioned inorganic pigment, and nothing is prepared in the prior art to alleviate
Machine pigment technical problem of high cost.
The third object of the present invention is the inorganic face for providing above-mentioned inorganic pigment or being obtained using above-mentioned preparation method
Expect the application in construction material.
In order to realize that the above-mentioned purpose of the present invention, spy use following technical scheme：
The present invention provides a kind of inorganic pigment, and meter includes following raw material in parts by weight：20-50 parts of titanium dioxide, calcium oxide
10-15 parts and 30-55 parts of kaolin.
Further, meter includes following raw material in parts by weight：25-45 parts of titanium dioxide, 11-14 parts of calcium oxide and kaolin
35-50 parts.
Further, meter includes following raw material in parts by weight：30-40 parts of titanium dioxide, 11-14 parts of calcium oxide and kaolin
40-50 parts.
Further, the kaolin is white wrong soil.
The present invention provides a kind of preparation method of above-mentioned inorganic pigment, includes the following steps：After raw material is mixed
850-1250 DEG C of temperature lower calcination obtains the inorganic pigment after cooling；
Preferably, calcination temperature is 1000-1250 DEG C；
Preferably, calcination time 6-10h.
Further, by raw material plus water mix it is fermented after calcine again；
Preferably, the fermentation is spontaneous fermentation；
Preferably, the time of the spontaneous fermentation is 40-55h；
Preferably, amount of water is the 10-15% of raw material weight.
Further, the raw material is after it crushed 400-700 mesh screen residues plus water mixing is fermented.
Further, it after raw material independently being carried out coarse crushing, remixes to obtain mixed raw material, then the mixed raw material
It is mixed again with water.
Further, raw material obtains the inorganic pigment again through crushing after calcining and cooling；
Preferably, 400-700 mesh screen residues are smashed it through.
The present invention provides above-mentioned inorganic pigments or the inorganic pigment obtained using above-mentioned preparation method in Building wood
Application in material.
Compared with prior art, beneficial effects of the present invention are：
Inorganic pigment provided by the invention, primary raw material include titanium dioxide, calcium oxide and kaolin.The inorganic pigment is high
Ridge soil expands the application range of pigment instead of traditional plumbous chromate, the harmful materials such as cadmium sulfide, will not to human body and environment
It pollutes.Meanwhile inorganic pigment provided by the invention is all prepared by inorganic material, light resistance, tinting strength, tinting power, covering power
Fine with the performances such as water resistance, ingredient is uniform, and performance is stablized, and raw material sources are extensive, thus cost is relatively low.
The preparation method of above-mentioned inorganic pigment provided by the invention calcines mixed raw material under the conditions of 850-1250 DEG C,
It is obtained after cooling.This method is easy to operate, does not have particular/special requirement, requirement the forging compared to other pigment of calcination temperature to equipment
It burns temperature to be declined, so production cost is declined, while the product composition prepared is uniform, and performance is stablized, and can be used for
Large-scale industrial production.
Specific implementation mode
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.
One aspect of the present invention provides a kind of inorganic pigment, and meter includes following raw material in parts by weight：Titanium dioxide 20-
30-55 parts of 50 parts, 10-15 parts of calcium oxide and kaolin.
Titanium dioxide (TiO2) it is the white pigment that main component is titanium dioxide, it is a kind of important inorganic chemical product,
There is important use in the industry such as coating, ink, papermaking, plastic, rubber, chemical fibre and ceramics.Titanium dioxide counts typical case in parts by weight
But unrestricted is 20 parts, 25 parts, 30 parts, 35 parts, 40 parts, 45 parts and 50 parts.
Calcium oxide is a kind of inorganic compound, its chemical formula is CaO, popular name quick lime.Physical property is superficial white
Powder, impure person are canescence, are in faint yellow or grey when containing impurity, have hygroscopicity, can be used for refractory material, Building wood
Material etc..It is 10 parts, 11 parts, 12 parts, 13 parts, 14 parts or 15 parts that calcium oxide is counted typical but non-limiting in parts by weight.
Kaolin is a kind of nonmetallic minerals, is a kind of clay and clay rock based on kaolinite race clay mineral, because
White and fine and smooth, also known as white clouds are native, have the physicochemical properties such as good plasticity and fire resistance.Kaolin purposes is very wide
It is general, it is mainly used for papermaking, ceramics and refractory material, it is few secondly for coating, gum filler, frit for porcelain enamel and white cement raw material
Amount is for industrial departments such as plastics, paint, pigment, building materials, national defence.Kaolin is counted in parts by weight typical but non-limiting is
30 parts, 35 parts, 40 parts, 45 parts, 50 parts or 55 parts.
The inorganic pigment kaolin expands answering for pigment instead of traditional plumbous chromate, the harmful materials such as cadmium sulfide
With range, human body and environment will not be polluted.Meanwhile inorganic pigment provided by the invention all by inorganic material prepare and
At, the performances such as light resistance, tinting strength, tinting power, covering power and water resistance are fine, and ingredient is uniform, and performance is stablized, and raw material sources are extensive, because
And cost is relatively low.
One in the present invention is preferably carried out in mode, and kaolin is white wrong soil.
White mistake penus is a kind of nonmetallic minerals in kaolinic one kind, the threadiness in composition and cryptocrystalline scale
The sericite of shape crystallization and the content of hydromica are more than 75%, belong to intermediate mineral of the mica mineral to illite transition.It is white wrong
Soil have the advantages that kaolinic universal performance and, while compared with the raw material of other same effect, the temperature requirement calcined
It is lower, it can significantly reduce production cost.The inorganic pigment that white wrong soil is prepared with titanium dioxide and calcium oxide, ingredient are equal
Even, performance is stablized, bright in colour.
On the other hand, the present invention provides a kind of preparation method of above-mentioned inorganic pigment, includes the following steps：By raw material
In 850-1250 DEG C of temperature lower calcination after mixing, the inorganic pigment is obtained after cooling.
Calcining is the important process process of material preparation.Calcination process directly affects crystallite dimension in calcining dense body and divides
The microstructures such as cloth, pore size and distribution and volume percentage of GB.Calcining be the densification process of material at high temperature and
The general name of phenomenon.With temperature rising and the time extension, solid particle is mutually bonded, and crystal grain is grown up, gap (stomata) and
Crystal boundary gradually decreases.In calcination process, by the transmission of substance, total volume is shunk, and density increases, and finally becomes hard
Polycrystalline sintered body.
This method is easy to operate, does not have a particular/special requirement to equipment, the calcining of the requirement of calcination temperature compared to other pigment
Temperature is declined, so production cost is declined, while the product composition prepared is uniform, and performance is stablized, and can be used for big
The industrial production of scale.It is 850 DEG C that calcination temperature is typical but non-limiting, 900 DEG C, 950 DEG C, 1000 DEG C, 1050 DEG C, 1100
DEG C, 1150 DEG C, 1200 DEG C or 1250 DEG C.
One in the present invention is preferably carried out in mode, calcination time 6-10h.Calcination time is typical but non-limiting
It is 6h, 7h, 8h, 9h or 10h.
One in the present invention is preferably carried out in mode, by mixed raw material plus water mix it is fermented after calcine again,
Preferably, it ferments for spontaneous fermentation.
Mixed raw material adds water by fermentation mixed raw material can be made preferably to merge, and the interaction between different material is brighter
It is aobvious, it is more conducive to the effect for improving calcining.Mixed raw material is added water to stand by spontaneous fermentation, will not increase extra cost.
One in the present invention is preferably carried out in mode, and the time of spontaneous fermentation is 40-55h.
The typical but non-limiting time of spontaneous fermentation is 40h, 42h, 44h, 46h, 48h, 50h, 52h, 54h or 55h.
One in the present invention is preferably carried out in mode, and amount of water is the 10-15% of raw material weight.
Amount of water is that the typical but unrestricted of raw material weight is 10%, 11%, 12%, 13%, 14% or 15%.
One in the present invention is preferably carried out in mode, and mixed raw material is after it crushed 400-700 mesh screen residues plus water is mixed
Conjunction is fermented.Since the original size and shape of various raw materials are not quite similar, mixed raw material is crushed to identical small particle
May be implemented coming into full contact between raw material, fermentation more fully.Tailing over typical but non-limiting for pulverizing and sieving is 400
Mesh, 500 mesh, 600 mesh or 700 mesh.
One in the present invention is preferably carried out in mode, after raw material is independently carried out coarse crushing, remixes and is mixed
Raw material is closed, then mixed raw material is mixed with water again.
One in the present invention is preferably carried out in mode, and raw material, again through crushing, obtains inorganic face after calcining and cooling
Material.
The mixed material obtained after calcining can have the phenomenon that caking because of sintering, and inorganic pigment is can be obtained after crushing.
One in the present invention is preferably carried out in mode, smashes it through 400-700 mesh screen residues.Pulverizing and sieving can ensure
The uniform particle sizes of product can select different grain sizes according to different purposes demands.What is pulverized and sieved tails over typical but non-limit
Property processed is 400 mesh, 500 mesh, 600 mesh or 700 mesh.
Exist the present invention also provides above-mentioned inorganic pigment or using the inorganic pigment that the preparation method of inorganic pigment obtains
Application in construction material.
Inorganic pigment provided by the invention, it is nontoxic, various fields are can be applied to, manufacturing cost is low, can conduct
The substitute of traditional inorganic pigments.The inorganic pigment performance is stablized simultaneously, can be widely popularized and use on building materials.
It is further illustrated the present invention below by specific embodiment, it should be understood, however, that, these embodiments are only
It is used for being described in more detail, and is not to be construed as limiting the present invention in any form.
Embodiment 1
The present embodiment provides a kind of inorganic pigments, and meter includes following raw material in parts by weight：20 parts of titanium dioxide, calcium oxide 15
30 parts of part and Suzhou Yangshan kaolin.
Embodiment 2
The present embodiment provides a kind of inorganic pigments, and meter includes following raw material in parts by weight：50 parts of titanium dioxide, calcium oxide 10
55 parts of part and Suzhou Yangshan kaolin.
Embodiment 3
The present embodiment provides a kind of inorganic pigments, and meter includes following raw material in parts by weight：25 parts of titanium dioxide, calcium oxide 14
35 parts of part and Suzhou Yangshan kaolin.
Embodiment 4
The present embodiment provides a kind of inorganic pigments, and meter includes following raw material in parts by weight：45 parts of titanium dioxide, calcium oxide 11
50 parts of part and Suzhou Yangshan kaolin.
Embodiment 5
The present embodiment provides a kind of inorganic pigments, and meter includes following raw material in parts by weight：30 parts of titanium dioxide, calcium oxide 14
40 parts of part and Suzhou Yangshan kaolin.
Embodiment 6
The present embodiment provides a kind of inorganic pigments, and meter includes following raw material in parts by weight：40 parts of titanium dioxide, calcium oxide 11
50 parts of part and Suzhou Yangshan kaolin.
Embodiment 7-12
The present embodiment provides a kind of inorganic pigment, the corresponding Suzhou Yangshan kaolinite by white wrong native alternate embodiment 1-6
Soil, other raw materials remain unchanged.
Embodiment 13-24
The present embodiment provides a kind of preparation methods of inorganic pigment, include the following steps：
Step a)：Raw material just crush, weighing raw material by the number of embodiment 1-12 respectively is uniformly mixed, and will mix
Raw material crushed 400 mesh screen residues；
Step b)：The water that mixed raw material after sieving is added to mass fraction 13% is uniformly mixed, spontaneous fermentation 48h；
Step c)：Mixed raw material Jing Guo spontaneous fermentation is calcined into 8h under the conditions of 1200 DEG C；
Step d)：Mixed material after calcining be crushed into 400 mesh screen residues, obtain inorganic pigment.
Embodiment 25
The present embodiment provides a kind of preparation methods of inorganic pigment, include the following steps：
Step a)：Raw material just crush, weighing raw material by the number of embodiment 12 is uniformly mixed, by mixed raw material powder
500 mesh screen residue of broken mistake；
Step b)：The water that mixed raw material after sieving is added to mass fraction 10% is uniformly mixed, spontaneous fermentation 55h；
Step c)：Mixed raw material Jing Guo spontaneous fermentation is calcined into 10h under the conditions of 850 DEG C；
Step d)：Mixed material after calcining be crushed into 500 mesh screen residues, obtain inorganic pigment.
Embodiment 26
The present embodiment provides a kind of preparation methods of inorganic pigment, include the following steps：
Step a)：Raw material just crush, weighing raw material by the number of embodiment 12 is uniformly mixed, by mixed raw material powder
700 mesh screen residue of broken mistake；
Step b)：The water that mixed raw material after sieving is added to mass fraction 15% is uniformly mixed, spontaneous fermentation 40h；
Step c)：Mixed raw material Jing Guo spontaneous fermentation is calcined into 6h under the conditions of 1250 DEG C；
Step d)：Mixed material after calcining be crushed into 700 mesh screen residues, obtain inorganic pigment.
Comparative example 1
This comparative example provides a kind of inorganic pigment, and meter includes following raw material in parts by weight：10 parts of titanium dioxide, calcium oxide 20
Part and white wrong 20 parts of soil.
Comparative example 2
This comparative example provides a kind of inorganic pigment, and meter includes following raw material in parts by weight：40 parts of titanium dioxide and calcium oxide
11 parts.
Comparative example 3-4
This comparative example provides a kind of preparation method of inorganic pigment, includes the following steps：By the raw material of comparative example 1-2 according to
Inorganic pigment is prepared in the preparation method of embodiment 24.
Comparative example 5
This comparative example provides a kind of preparation method of inorganic pigment, includes the following steps：
Step a)：Raw material just crush, weighing raw material by the number of embodiment 12 is uniformly mixed, by mixed raw material powder
200 mesh screen residue of broken mistake；
Step b)：The water that mixed raw material after sieving is added to mass fraction 30% is uniformly mixed, spontaneous fermentation 35h；
Step c)：Mixed raw material Jing Guo spontaneous fermentation is calcined into 20h under the conditions of 600 DEG C；
Step d)：Mixed material after calcining be crushed into 200 mesh screen residues, obtain inorganic pigment.
Comparative example 6
This comparative example provides a kind of preparation method of inorganic pigment titanium chrome yellow, includes the following steps：By Ti4+：Cr3+：Sb3+
Molar ratio 15.5：l：L weighs TiCl4, Cr (NO3)3·9H2O, SbCl3It is added in the cold water containing hydrochloric acid, prepares 3mol/L's
TiCl4Solution.Solution is poured into four-hole bottle, in stirring a moment, a certain amount of urea is added, a certain amount of poly- second two is then added
Alcohol places it in and is heated to certain temperature in water bath with thermostatic control, reacted under stiring.The pH of METHOD FOR CONTINUOUS DETERMINATION solution, when reaching
When neutral, then a period of time is reacted, stops stirring, it is static, the precipitation of generation is filtered, with the ammonium hydroxide of 0.1mol/L, anhydrous second
Several times, until filtrate grinds sample freeze-day with constant temperature at neutrality, calcining, is made heat preservation a period of time for alcohol and deionized water washing
Titanium chrome yellow sample.
Test example
The test method of embodiment 13-26 and the inorganic pigment of comparative example 3-6 preparations according to national standards is subjected to screening
The test of Gai Li, light resistance and water resistance, test result are as shown in the table.
It can be seen from the above result that compared to comparative example 3-6, the covering power of embodiment 13-26, light resistance and water resistance are basic
It unanimously or improves, illustrate inorganic pigment component provided by the invention and matches scientific and reasonable, performance stabilization, Ke Yidai
It promotes and uses on a large scale for traditional inorganic pigment；Preparation method provided by the invention, it is easy to operate, due to calcination temperature
It reduces, to cost reduction.
Although further analysis is it is found that comparative example 1-2 and the identical method preparation of embodiment 12, overall performance
Embodiment 12 improves the inorganic pigment performance stabilization for much further illustrating the present invention offer, uniform component；Embodiment 12 is in fact
It applies example 24 and inorganic pigment is prepared in the different preparation process of comparative example 5, embodiment 24 is better than comparative example 5, explanation in performance
Preparation method provided by the invention is scientific and reasonable.
Although illustrate and describing the present invention with specific embodiment, it will be appreciated that without departing substantially from the present invention's
Many other change and modification can be made in the case of spirit and scope.It is, therefore, intended that in the following claims
Including belonging to all such changes and modifications in the scope of the invention.
Claims (10)
1. a kind of inorganic pigment, which is characterized in that meter includes following raw material in parts by weight：20-50 parts of titanium dioxide, calcium oxide
10-15 parts and 30-55 parts of kaolin.
2. inorganic pigment according to claim 1, which is characterized in that meter includes following raw material in parts by weight：Titanium dioxide
35-50 parts of 25-45 parts, 11-14 parts of calcium oxide and kaolin.
3. inorganic pigment according to claim 1, which is characterized in that meter includes following raw material in parts by weight：Titanium dioxide
40-50 parts of 30-40 parts, 11-14 parts of calcium oxide and kaolin.
4. according to claim 1-3 any one of them inorganic pigments, which is characterized in that the kaolin is white wrong soil.
5. a kind of preparation method of claim 1-4 any one of them inorganic pigments, which is characterized in that include the following steps：
In 850-1250 DEG C of temperature lower calcination after raw material is mixed, the inorganic pigment is obtained after cooling；
Preferably, calcination temperature is 1000-1250 DEG C；
Preferably, calcination time 6-10h.
6. preparation method according to claim 5, which is characterized in that by raw material plus water mix it is fermented after forge again
It burns；
Preferably, the fermentation is spontaneous fermentation；
Preferably, the time of the spontaneous fermentation is 40-55h；
Preferably, amount of water is the 10-15% of raw material weight.
7. preparation method according to claim 6, which is characterized in that the raw material is after it crushed 400-700 mesh screen residues
Water mixing is added to ferment.
8. preparation method according to claim 7, which is characterized in that after raw material is independently carried out coarse crushing, remix
Mixed raw material is obtained, then the mixed raw material is mixed with water again.
9. according to claim 5-8 any one of them preparation methods, which is characterized in that raw material is after calcining and cooling again through powder
It is broken, obtain the inorganic pigment；
Preferably, 400-700 mesh screen residues are smashed it through.
10. inorganic pigment according to any one of claims 1-4 utilizes claim 5-9 any one of them preparation methods
Application of the obtained inorganic pigment in construction material.
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| CN201810006186.XA CN108456437A (en) | 2018-01-03 | 2018-01-03 | Inorganic pigment and its preparation method and application |
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| CN201810006186.XA CN108456437A (en) | 2018-01-03 | 2018-01-03 | Inorganic pigment and its preparation method and application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113149635A (en) * | 2021-04-19 | 2021-07-23 | 山东海之川新材料有限公司 | Environment-friendly inorganic pigment and preparation process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1742235A1 (en) * | 1990-07-09 | 1992-06-23 | Украинский Научно-Исследовательский Институт Фарфоро-Фаянсовой Промышленности | Ceramic pigment of white color |
| CN102659410A (en) * | 2012-05-25 | 2012-09-12 | 山东大学 | High near-infrared reflectivity nano-ceramic pigment and preparation method thereof |
| CN105419046A (en) * | 2015-11-27 | 2016-03-23 | 康平县塑编产业集群综合服务中心 | Whitening masterbatch of reclaimed materials for plastic woven bags and preparation method thereof |
-
2018
- 2018-01-03 CN CN201810006186.XA patent/CN108456437A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1742235A1 (en) * | 1990-07-09 | 1992-06-23 | Украинский Научно-Исследовательский Институт Фарфоро-Фаянсовой Промышленности | Ceramic pigment of white color |
| CN102659410A (en) * | 2012-05-25 | 2012-09-12 | 山东大学 | High near-infrared reflectivity nano-ceramic pigment and preparation method thereof |
| CN105419046A (en) * | 2015-11-27 | 2016-03-23 | 康平县塑编产业集群综合服务中心 | Whitening masterbatch of reclaimed materials for plastic woven bags and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113149635A (en) * | 2021-04-19 | 2021-07-23 | 山东海之川新材料有限公司 | Environment-friendly inorganic pigment and preparation process thereof |
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Application publication date: 20180828 |