CN107572808B - A kind of preparation method of Kangxu's under-glaze red colorant and its application in under-glaze red porcelain - Google Patents
A kind of preparation method of Kangxu's under-glaze red colorant and its application in under-glaze red porcelain Download PDFInfo
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Abstract
The invention discloses a kind of preparation methods of Kangxu's under-glaze red colorant, weigh component raw material by weight percentage first: malachite 12%~15%, lime stone 46%~52%, kaolin 10%~13%, quartzy 15%~18%, borax 5%~8%, tin oxide 3%~4%, the sum of each component percentage are 100%；Then component raw material is obtained into Kangxu's under-glaze red colorant by wet-mixing, drying, calcining, crushing, wet ball grinding, rinsing, drying, wherein calcination temperature range are as follows: 1280~1300 DEG C.The under-glaze red colorant formulas according to the present invention that Kangxu's under-glaze red hair color effect is presented, it is all made of technical pure industrial chemicals, the adaptation of product is wide, on ceramic body paint glazing and under reducing atmosphere firing after, under-glaze red material colour generation colour generation is scarlet, bright and clean gorgeous, clear and bright not muddy, svelteness, and reached Kangxu's under-glaze red porcelain hair color effect.This under-glaze red colorant production method is scientific and reasonable, easy to implement, therefore has a vast market foreground.
Description
Technical field
The present invention relates to the preparation method of technical field of ceramic material more particularly to a kind of Kangxu's under-glaze red colorant and its
Application in under-glaze red porcelain.
Background technique
Under-glaze red porcelain is to describe decorative pattern on ceramic body after being calcined through processing with the raw material containing copper oxide, then at it
On apply layer of transparent glaze, through high temperature reduction flame once-firing.In high temperature firing, under-glaze red colorant in glaze be easy diffusion from
And keep the pattern boundaries drawn fuzzy, therefore, under-glaze red colorant should not draw hachure.In the under-glaze red porcelain in successive dynasties, only
The under-glaze red colorant for thering is Qing Dynasty Kangxu, Yongzheng, Qianrong's period to prepare can draw hachure and it is not dizzy dissipate, but be difficult to obtain now
Qing Dynasty Kangxu, Yongzheng, Qianrong's period is taken to prepare the original raw material of under-glaze red colorant, and preparation process is also lost.
In recent years, prevailing with collecting craze and trend of back-to-ancients, the demand to Imitative Ancient Porcelains is increasing.To copy Kangxu's period
Under-glaze red porcelain, scholar both domestic and external have carried out a large amount of research, mainly carry out from component and processing method to under-glaze red
It improves.By weight percentage include following components if Chinese invention patent CN104496550A discloses a kind of under-glaze red colorant:
3.2 ~ 3.8 parts of copper oxide, 3.9 ~ 4.3 parts of tin frit, 3 ~ 6 parts of bryozoatum, 2.5 ~ 3 parts of glaze lime-ash, 0.7 ~ 1.3 part of calcite, boron
0.2 ~ 1.2 part of sand, 2.3 ~ 4.6 parts of red lead powder, surplus are east victory soil.CN106698946A discloses a kind of system of under-glaze red glaze
Standby technique includes: that copper spends 0.42% in the material of every 100 mass component, old gulf 74.97%, tin frit 1.67%, Hai Fu
Stone 1.19%, Shi Mu 0.81%, a gypsum rubrum 0.26%, glaze lime-ash 14.28%, flower float stone 1.21%, top star stone 0.40%；On
When glaze, first applied on mold together bluish white glaze, then use under-glaze red colorant decorative pattern, then cover one layer of bluish white glaze again, with and also
Former flame firing.CN104844154A discloses a kind of under-glaze red ceramics, and the ceramic glaze parts by weight are as follows, cuprous oxide 30-
It is 50 parts, 8-10 parts quartzy, 6-10 parts of lime stone, 5-8 parts of lithium feldspar, 3-5 parts of raphite, 1-3 parts of silicon carbide, silicon nitride 1-3
Part, 1-2 parts of di-iron trioxide, 1-2 parts of stannic oxide, 1-2 parts of zinc borate, 1-2 parts of montmorillonite, 1-2 parts of zirconium silicate, methylol
1-2 parts of sodium cellulosate, 1-2 parts of sodium humate.Although these existing improved procedures can improve colorant color to a certain extent
The damp uniformity and quality stability so that the artistic effect of ceramic is more, but are also the failure to solve that under-glaze red is dizzy dissipates
Problem, it is difficult to realize the drafting of under-glaze red hachure.
This patent develops a kind of colorant that Kangxu's under-glaze red hair color effect is presented using raw mineral materials and industrial chemicals,
Hachure under-glaze red colorant situation can not drawn currently on the market by solving, and therefore, this under-glaze red colorant of synthesis has
There are very big novelty and application prospect.
Summary of the invention
Based on above-mentioned technical problem, the present invention provides a kind of preparation methods of Kangxu's under-glaze red colorant, first by weight
Percentage weigh component raw material: malachite 12%~15%, lime stone 46%~52%, kaolin 10%~13%, quartz 15%~18%,
Borax 5%~8%, tin oxide 3%~4%, the sum of each component percentage are 100%；Then component raw material passed through into wet-mixing, done
Dry, calcining, crushing, wet ball grinding, rinsing, drying obtain Kangxu's under-glaze red colorant, wherein calcination temperature range are as follows: 1280
~1300 DEG C.
Further, the wet mixing process are as follows: after mixing the component raw material of colorant formulas, with material: ball: water ratio
It is packed into ball-grinding machine ball milling 2 hours for 1:2:0.8~1.0.
Further, the process of the calcining are as follows: heated up with 2~3 hours slow fires, reach the component raw material
450~500 DEG C；Then the temperature of component raw material is risen to 1280~1300 DEG C with 4~4.5 hours, and keeps the temperature 1~1.5 hour,
Last cooled to room temperature.
Further, the wet ball grinding technique are as follows: by smashed material with mass ratio material: ball: water be 1:2:1.2~
1.4 ratio is packed into ball-grinding machine ball milling 20~24 hours, the fineness expected after ball milling reach 10000-hole sieve tail over for 0.05% with
Under, mesh number >=1000 mesh of the 10000-hole sieve.
The application that the invention also discloses a kind of using the under-glaze red colorant of above-mentioned preparation method synthesis in under-glaze red porcelain,
Its method are as follows: the under-glaze red colorant is plotted on high white clay green body, then applies upper marzacotto in billet surface again, it is dry
Under-glaze red ceramic products are obtained in 1290~1310 DEG C of firings under reducing atmosphere afterwards.
Further, the chemical composition mass percentage of the high white clay are as follows: SiO267.5%~68.5%, Al2O3
25.5%~26.5%, K2O 3.2%~3.7%, Na2O 1.3%~1.6%, CaO 0.4%~0.6%, MgO 0.1%~0.2%,
Fe2O30.8%~0.9%.
Further, the chemical composition mass percentage of the marzacotto are as follows: SiO272%~73%, Al2O3 14%
~15%, K2O 3%~3.5%, Na2O 2%~2.3%, CaO 7%~7.5%, MgO 0.1%~0.2%, Fe2O30.9%~1.1%.
Further, the glaze red stain, which is dispersed in the aqueous solution of hydroxypropyl cellulose and sodium citrate, forms ceramics
Then the ceramic painting pigment is plotted on high white clay green body by coloured drawing pigment.
Further, in the aqueous solution of the hydroxypropyl cellulose and sodium citrate, the concentration of hydroxypropyl cellulose is 10
~30mmol/L, the concentration of sodium citrate are 12.5~20.0mmol/L.
As can be seen from the above technical solutions, the invention has the advantages that presentation Kangxu's under-glaze red according to the present invention is sent out
The under-glaze red colorant formulas of color effect, is all made of technical pure industrial chemicals, and the adaptation of product is wide, glazing of painting on ceramic body
And after being burnt under reducing atmosphere, under-glaze red material colour generation colour generation is scarlet, bright and clean gorgeous, clear and bright not muddy, svelteness, and reaches
Kangxu's under-glaze red porcelain hair color effect.This under-glaze red colorant production method is scientific and reasonable, easy to implement, therefore has a vast market
Prospect.
In addition, by using the aqueous dispersion under-glaze red colorant of the present invention of hydroxypropyl cellulose and sodium citrate,
It is not dissipated there is a phenomenon where under-glaze red is dizzy when can guarantee to draw colored drawing, even if drawing the lines that fineness is less than 0.5mm, fires finished product
Colored drawing outline is still high-visible afterwards, and anti-corona scattered effect is fairly obvious.
Detailed description of the invention
Fig. 1 is the local colored drawing figure that each test group fires finished product；
In figure: (1) embodiment 1 fires the colored drawing figure of finished product；(2) embodiment 2 fires the colored drawing figure of finished product；
(3) embodiment 3 fires the colored drawing figure of finished product；(4) comparative example 1 fires the colored drawing figure of finished product；
(5) comparative example 2 fires the colored drawing figure of finished product；(6) comparative example 3 fires the colored drawing figure of finished product；
(7) comparative example 4 fires the colored drawing figure of finished product；(8) comparative example 5 fires the colored drawing figure of finished product.
Specific embodiment
It is described in detail below with reference to embodiment:
Embodiment 1
A kind of preparation method of Kangxu's under-glaze red colorant comprising the steps of:
(1) component raw material: malachite 15%, lime stone 46%, kaolin 13%, quartz is weighed by weight percentage first
15%, borax 8%, tin oxide 3%, the sum of each component percentage are 100%；
(2) component raw material is passed through into wet-mixing, the wet mixing process are as follows: mix the component raw material of colorant formulas
After conjunction, with material: ball: water ratio is that 1:2:0.8 is packed into 2 hours mixings of ball milling in ball-grinding machine, and mixing is dry by mixing after the completion；
(3) mixing is calcined, the process of the calcining are as follows: heated up with 2~3 hours slow fires, make the raw material
Mixing reach 450 DEG C；Then the temperature of mixing is risen to 1290 ± 10 DEG C with 4~4.5 hours, and keeps the temperature 1 hour, finally certainly
It is so cooled to room temperature, pulverization process is done to the mixing to agglomerate in calcination process；
(4) mixing after pulverization process does wet ball grinding dusting, the wet ball grinding technique are as follows: by smashed material with
Mass ratio material: ball: the ratio that water is 1:2:1.2 is packed into ball-grinding machine ball milling 20 hours, and the fineness expected after ball milling reaches ten thousand holes
Sieve tails over as 0.05% hereinafter, the mesh number of the 10000-hole sieve is 1000 mesh, and the powder after sieving is rinsed by clear water, after drying,
As described Kangxu's under-glaze red colorant.
The under-glaze red colorant that above-mentioned preparation method is synthesized is used in under-glaze red porcelain manufacturing process, application method are as follows: will
Under-glaze red colorant described in the present embodiment is plotted on high white clay green body, then upper marzacotto is applied in billet surface again, after dry
Under-glaze red ceramic products are obtained in 1300 ± 10 DEG C of firings under reducing atmosphere.
The selection of green body and glaze is vital, the improper infiltration of colorant when the easily causing colored drawing green body of green body selection
Surface, dizzy open in colorant line drawing edge become blurred, i.e., so-called dizzy scattered phenomenon.Glaze is usually fluid glaze before firing
Liquid has considerably mobility.When glaze liquid is improper at component selections, it is coated on under-glaze red colorant in sintering procedure, glaze liquid holds very much
Easily under-glaze red colorant is driven to flow together, causes the pattern drawn during colored drawing that can not form at all after sintering.Therefore base
Influence of the selection of body and glaze for colorant using effect is huge.Based on this, to reach technology effect of the present invention
Fruit, the present embodiment all limit green body and glaze, in which:
Green body should select the good high white clay green body of tire matter, the chemical composition mass percentage of the high white clay are as follows:
SiO267.5%~68.5%, Al2O325.5%~26.5%, K2O 3.2%~3.7%, Na2O 1.3%~1.6%, CaO 0.4%~
0.6%, MgO 0.1%~0.2%, Fe2O30.8%~0.9%.The chemical composition mass percentage of the marzacotto are as follows: SiO2
72%~73%, Al2O314%~15%, K2O 3%~3.5%, Na2O 2%~2.3%, CaO 7%~7.5%, MgO 0.1%~
0.2%、Fe2O30.9%~1.1%.
By in under-glaze red ceramic products made of formula, parameter and method described in the present embodiment, dizzy dissipate does not occur for under-glaze red
Phenomenon, colored drawing outline is still high-visible after firing finished product, as shown in Figure 1.
Embodiment 2
A kind of preparation method of Kangxu's under-glaze red colorant comprising the steps of:
(1) component raw material: malachite 14%, lime stone 48%, kaolin 12%, quartz is weighed by weight percentage first
17%, borax 6%, tin oxide 3%, the sum of each component percentage are 100%；
(2) component raw material is passed through into wet-mixing, the wet mixing process are as follows: mix the component raw material of colorant formulas
After conjunction, with material: ball: water ratio is that 1:2:0.9 is packed into 2 hours mixings of ball milling in ball-grinding machine, and mixing is dry by mixing after the completion；
(3) mixing is calcined, the process of the calcining are as follows: heated up with 2~3 hours slow fires, make the raw material
Mixing reach 480 DEG C；Then the temperature of mixing is risen to 1290 ± 10 DEG C with 4~4.5 hours, and keeps the temperature 1.5 hours, finally
Cooled to room temperature does pulverization process to the mixing to agglomerate in calcination process；
(4) mixing after pulverization process does wet ball grinding dusting, the wet ball grinding technique are as follows: by smashed material with
Mass ratio material: ball: the ratio that water is 1:2:1.3 is packed into ball-grinding machine ball milling 22 hours, and the fineness expected after ball milling reaches ten thousand holes
Sieve tails over as 0.05% hereinafter, the mesh number of the 10000-hole sieve is 1500 mesh, and the powder after sieving is rinsed by clear water, after drying,
As described Kangxu's under-glaze red colorant.
The under-glaze red colorant that above-mentioned preparation method is synthesized is used in under-glaze red porcelain manufacturing process, application method are as follows: will
Under-glaze red colorant described in the present embodiment is plotted on high white clay green body, then upper marzacotto is applied in billet surface again, after dry
Under-glaze red ceramic products are obtained in 1300 ± 10 DEG C of firings under reducing atmosphere.
Wherein: green body selects the good high white clay green body of tire matter, the chemical composition mass percentage of the high white clay are as follows:
SiO2 67.5%、Al2O325.5%~26.5%, K2O 3.2%~3.7%, Na2O 1.3%~1.6%, CaO 0.4%~0.6%, MgO
0.1%~0.2%, Fe2O30.8%~0.9%.The chemical composition mass percentage of the marzacotto are as follows: SiO272%~
73%、Al2O314%~15%, K2O 3%~3.5%, Na2O 2%~2.3%, CaO 7%~7.5%, MgO 0.1%~0.2%, Fe2O3
0.9%~1.1%.
By in under-glaze red ceramic products made of formula, parameter and method described in the present embodiment, dizzy dissipate does not occur for under-glaze red
Phenomenon, colored drawing outline is still high-visible after firing finished product, as shown in Figure 1.
Embodiment 3
A kind of preparation method of Kangxu's under-glaze red colorant comprising the steps of:
(1) component raw material: malachite 12%, lime stone 51%, kaolin 10%, quartz is weighed by weight percentage first
18%, borax 5%, tin oxide 4%, the sum of each component percentage are 100%；
(2) component raw material is passed through into wet-mixing, the wet mixing process are as follows: mix the component raw material of colorant formulas
After conjunction, with material: ball: water ratio is that 1:2:1.0 is packed into 2 hours mixings of ball milling in ball-grinding machine, and mixing is dry by mixing after the completion；
(3) mixing is calcined, the process of the calcining are as follows: heated up with 2~3 hours slow fires, make the raw material
Mixing reach 500 DEG C；Then the temperature of mixing is risen to 1290 ± 10 DEG C with 4~4.5 hours, and keeps the temperature 1~1.5 hour,
Last cooled to room temperature does pulverization process to the mixing to agglomerate in calcination process；
(4) mixing after pulverization process does wet ball grinding dusting, the wet ball grinding technique are as follows: by smashed material with
Mass ratio material: ball: the ratio that water is 1:2:1.4 is packed into ball-grinding machine ball milling 24 hours, and the fineness expected after ball milling reaches ten thousand holes
Sieve tails over as 0.05% hereinafter, the mesh number of the 10000-hole sieve is 1000 mesh, and the powder after sieving is rinsed by clear water, after drying,
As described Kangxu's under-glaze red colorant.
The under-glaze red colorant that above-mentioned preparation method is synthesized is used in under-glaze red porcelain manufacturing process, application method are as follows: will
Under-glaze red colorant described in the present embodiment is plotted on high white clay green body, then upper marzacotto is applied in billet surface again, after dry
Under-glaze red ceramic products are obtained in 1300 ± 10 DEG C of firings under reducing atmosphere.
Wherein: green body selects the good high white clay green body of tire matter, the chemical composition mass percentage of the high white clay are as follows:
SiO2 67.5%、Al2O325.5%~26.5%, K2O 3.2%~3.7%, Na2O 1.3%~1.6%, CaO 0.4%~0.6%, MgO
0.1%~0.2%, Fe2O30.8%~0.9%.The chemical composition mass percentage of the marzacotto are as follows: SiO272%~
73%、Al2O314%~15%, K2O 3%~3.5%, Na2O 2%~2.3%, CaO 7%~7.5%, MgO 0.1%~0.2%, Fe2O3
0.9%~1.1%.
By in under-glaze red ceramic products made of formula, parameter and method described in the present embodiment, dizzy dissipate does not occur for under-glaze red
Phenomenon, colored drawing outline is still high-visible after firing finished product, as shown in Figure 1.
Comparative example 1
A kind of preparation method of Kangxu's under-glaze red colorant, method are identical with embodiment 2.By synthesized under-glaze red
The method that colorant is used in under-glaze red porcelain manufacturing process is also identical, and difference is only in that: glaze red stain is dispersed in
Ceramic painting pigment is formed in the aqueous solution of hydroxypropyl cellulose and sodium citrate, rather than as conventional means are dispersed in water shape
At coloured drawing pigment, then ceramic painting pigment described in this comparative example is plotted on high white clay green body, then is applied in billet surface
Upper marzacotto obtains under-glaze red ceramic products in 1300 ± 10 DEG C of firings under reducing atmosphere after dry.The wherein hydroxypropyl
In the aqueous solution of base cellulose and sodium citrate, the concentration of hydroxypropyl cellulose is 10mmol/L, and the concentration of sodium citrate is
12.5mmol/L, green body and marzacotto selection and the same batch material of embodiment 2, ingredient is with 2 green bodies used therein of embodiment and thoroughly
The ingredient of bright glaze is identical.
By in under-glaze red ceramic products made of formula, parameter and method described in this comparative example, dizzy dissipate does not occur for under-glaze red
Phenomenon, even if colored drawing lines are very thin, colored drawing outline is still high-visible after firing finished product, as shown in Figure 1.
Comparative example 2
Using with under-glaze red colorant preparation method identical in comparative example 1 obtain under-glaze red colorant, while using and
Synthesized under-glaze red colorant is used in under-glaze red porcelain manufacturing process by the identical method of comparative example 1, and difference is only
In the aqueous solution of hydroxypropyl cellulose and sodium citrate used, hydroxypropyl cellulose is different with the concentration of sodium citrate, wherein
The concentration of hydroxypropyl cellulose is 20mmol/L, and the concentration of sodium citrate is 18mmol/L, green body and marzacotto selection and reality
The same batch material of example 2 is applied, ingredient is identical with the ingredient of 2 green bodies used therein of embodiment and marzacotto.
By in under-glaze red ceramic products made of formula, parameter and method described in this comparative example, dizzy dissipate does not occur for under-glaze red
Phenomenon, even if colored drawing lines are very thin, colored drawing outline is still high-visible after firing finished product, as shown in Figure 1.
Comparative example 3~5
Test is found, in the preparation process of Kangxu's under-glaze red colorant, the calcination temperature of mixing is very crucial technology ginseng
It counts, in under-glaze red porcelain finished product, the colored drawing quality of under-glaze red is very sensitive to the calcining synthesis temperature of colorant.This comparative example group uses
Under-glaze red colorant is obtained with under-glaze red colorant preparation method identical in embodiment 2, difference is only that each comparative example exists
The calcination temperature used during synthesis under-glaze red colorant is different, and the calcination temperature of each comparative example is as shown in table 1.Under-glaze red color
After the completion of material preparation, each group is respectively adopted again is used in glaze for synthesized under-glaze red colorant with the identical method of embodiment 2
In under-glaze red ceramic products are made in red porcelain manufacturing process, it is found that dizzy dissipate now occurs for the colored drawing lines in each group under-glaze red ceramic products
As, as shown in Figure 1, the only calcination temperature under-glaze red colorant effect that (embodiment 2) obtains at 1290 ± 10 DEG C is fine, wheel
It is wide still clear.
Table 1
| Comparative example group | Comparative example 3 | Comparative example 4 | Comparative example 5 |
| Calcination temperature/DEG C | 1230±10 | 1260±10 | 1320±10℃ |
Technical solution provided by the present invention is described in detail above, for those of ordinary skill in the art,
Thought according to an embodiment of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this theory
Bright book content should not be construed as limiting the invention.
Claims (9)
1. a kind of preparation method of Kangxu's under-glaze red colorant, which is characterized in that weigh component raw material: hole by weight percentage first
Sparrow stone 12%~15%, lime stone 46%~52%, kaolin 10%~13%, quartz 15%~18%, borax 5%~8%, tin oxide 3%~
4%, the sum of each component percentage is 100%；Then by component raw material by wet-mixing, drying, calcining, crushing, wet ball grinding,
Rinsing, drying obtain Kangxu's under-glaze red colorant, wherein calcination temperature range are as follows: 1280~1300 DEG C.
2. a kind of preparation method of Kangxu's under-glaze red colorant according to claim 1, which is characterized in that the wet-mixing
Technique are as follows: after mixing the component raw material of colorant formulas, with material: ball: water ratio is that the .0 of 1:2:0 .8~1 is packed into ball-grinding machine
Interior ball milling 2 hours.
3. a kind of preparation method of Kangxu's under-glaze red colorant according to claim 1, which is characterized in that the work of the calcining
Process are as follows: heated up with 2~3 hours slow fires, the component raw material is made to reach 450~500 DEG C；It then will with 4~4 .5 hours
The temperature of component raw material rises to 1280~1300 DEG C, and keeps the temperature 1~1 .5 hours, last cooled to room temperature.
4. a kind of preparation method of Kangxu's under-glaze red colorant according to claim 1, which is characterized in that the wet ball grinding
Technique are as follows: by smashed material with mass ratio material: ball: the ratio that water is the .4 of 1:2:1 .2~1 is packed into ball milling 20 in ball-grinding machine
~24 hours, the fineness expected after ball milling reached the tailing over as 0 .05% hereinafter, the mesh number of the 10000-hole sieve >=1000 mesh of 10000-hole sieve.
5. a kind of under-glaze red colorant synthesized using the preparation method as described in any one of Claims 1 to 4 is in under-glaze red porcelain
Using, which is characterized in that its method are as follows: the under-glaze red colorant is plotted on high white clay green body, then again in billet surface
Marzacotto is applied, obtains under-glaze red ceramic products in 1290~1310 DEG C of firings under reducing atmosphere after dry.
6. a kind of application of the under-glaze red colorant according to claim 5 in under-glaze red porcelain, which is characterized in that the Gao Bai
The chemical composition mass percentage of mud are as follows: 25 3 .2% of .5%~26 .5%, K2O of SiO2 67 .5%~68 .5%, Al2O3
~31000 .8%~0 .1%~0 .2%, Fe2O3 .4%~0 .6%, MgO .3%~1 .6%, CaO .7%, Na2O
.9%。
7. a kind of application of the under-glaze red colorant according to claim 6 in under-glaze red porcelain, which is characterized in that described transparent
The chemical composition mass percentage of glaze are as follows: SiO2 72%~73%, Al2O3 14%~15%, 3%~3 .5% of K2O,
7%~7 00 .1% of .9%~1 of .1%~0 .2%, Fe2O3 of .5%, MgO of Na2O2%~2 .3%, CaO.
8. a kind of application of the under-glaze red colorant according to claim 6 or 7 in under-glaze red porcelain, which is characterized in that described
Under-glaze red colorant is dispersed in formation ceramic painting pigment in the aqueous solution of hydroxypropyl cellulose and sodium citrate, then by the pottery
Coloured porcelain pigment is plotted on high white clay green body.
9. a kind of application of the under-glaze red colorant according to claim 8 in under-glaze red porcelain, which is characterized in that the hydroxypropyl
In the aqueous solution of base cellulose and sodium citrate, the concentration of hydroxypropyl cellulose is 10~30mmol/L, the concentration of sodium citrate
For the .0mmol/L of 12 .5~20.
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| CN102826872B (en) * | 2012-08-17 | 2014-01-15 | 广东宏陶陶瓷有限公司 | Formula and preparation method of national flag bright red glazed brick |
| CN103980005B (en) * | 2014-05-30 | 2015-04-01 | 景德镇陶瓷学院 | Preparation method of blue-and-white material with Kangxi blue-and-white color development effect and blue-and-white porcelain product decorated by blue-and-white material |
| CN107216036A (en) * | 2017-07-17 | 2017-09-29 | 衡东县东康瓷业有限公司 | A kind of high olive green marzacotto of transparency |
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2017
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Effective date of registration: 20220617 Address after: 333400 804, building 1, Shangdong international North Zone, Jingdong Avenue, Zhushan District, Jingdezhen City, Jiangxi Province Patentee after: Jingdezhen yajutang Ceramics Co.,Ltd. Address before: 333400 Xianghu campus, Jingdezhen City, Jiangxi Province Patentee before: JINGDEZHEN CERAMIC INSTITUTE |