CN103482953B - Artificial synthetic stone and manufacturing method thereof - Google Patents
Artificial synthetic stone and manufacturing method thereof Download PDFInfo
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Abstract
The invention provides an artificial synthetic stone and a manufacturing method thereof. The artificial synthetic stone is prepared from base materials, additives and water, wherein the base materials consist of active magnesium oxide, magnesium chloride, quartz and waste tiles; the molar ratio of the active magnesium oxide to the magnesium chloride is 1:(5-8); the total mass of the quartz and the waste tiles is 0-2.5 times that of the active magnesium oxide and the magnesium chloride; the additives consist of phosphoric acid, sulfate, calcium salt, phosphate of sodium or potassium, active fillers, water-resistant emulsion and a coloring agent; the using amounts of the components of the additives are 0.1%-0.8%, 0.5%-8%, 0.1%-5%, 1%-8%, 10%-35%, 1%-13% and 0%-10% of the mass of the active magnesium oxide of the base materials respectively; and the using amount of the water is at least the using amount of required water for preparing the magnesium chloride of the base materials, and the sulfate and the phosphate of sodium or potassium of the additives into saturated solutions. Compared with the prior art, the artificial synthetic stone provided by the invention has the advantages of high strength, excellent water resistance and the like.
Description
Technical field
The present invention relates to artificial synthesis Stone technique, particularly relate to a kind of artificial synthesis stone and manufacture method thereof.
Background technology
Stone material is one of the most ancient material of construction of the mankind, and people went to school to utilize and dug mountain masonry for building finishing material by laying bricks or stones ancient times.Up to modern age, stone material was still one of our main material of construction.The exploitation of lithotome needs the fried stone that cuts into a mountain more, then the stone base outputed is carried out the operations such as cutting polishing be processed into sheet material use, this is serious waste natural resources not only, and recovery process to physical environment destroy also very big.
For this reason, people research and develop artificial synthesis stone and carry out alternative traditional lithotome.Artificial synthesis stone can not only the intensity of natural imitation stone material and texture texture, and technology profile, clean environment firendly.It is high that artificial synthesis stone has intensity, the advantage that wear resistance is good, but its water tolerance is poor, and be not suitable for moist environment and be suitable for, particularly rainy in south, under humid environment, it is hydrolyzed possibly, intensity step-down.
Summary of the invention
The object of the invention is to propose a kind of artificial synthesis stone, it has good water tolerance, and in wet environment, its intensity not only can not reduce, and can slightly increase on the contrary.
For reaching this object, the present invention by the following technical solutions: a kind of artificial synthesis stone, it is added water by base-material and additive and is prepared from, described base-material is made up of activated magnesia and magnesium chloride, quartz, useless ceramic tile, and the mol ratio of wherein said activated magnesia and described magnesium chloride is: 1:5 ~ 8, described quartz and described useless ceramic tile quality sum are 0 ~ 2.5 times of described activated magnesia and described magnesium chloride quality sum, described additive is made up of the phosphoric acid salt of phosphoric acid, vitriol, calcium salt, sodium or potassium, active filler, resistance to water miscible liquid, tinting material, the consumption of wherein said tinting material is the 0-10% of described activated magnesia quality, the consumption of described phosphoric acid is the 0.1%-0.8% of described activated magnesia quality, the consumption of described vitriol is the 0.5%-8% of described activated magnesia quality, described calcium salt consumption is the 0.1%-5% of described activated magnesia quality, the phosphoric acid salt consumption of described sodium or potassium is the 1%-8% of described activated magnesia quality, the consumption of described active filler is the 10%-35% of described activated magnesia quality, the described consumption of resistance to water miscible liquid is the 1%-13% of described activated magnesia quality, the consumption of described water is at least the vitriol in magnesium chloride in described base-material and described additive, the phosphoric acid salt of sodium or potassium makes the water consumption needed for saturated solution.
Preferably, in such scheme, activity value >=50% of described activated magnesia, more preferably 58% ~ 68%.
Preferably, in such scheme, described vitriol is one or more combinations in Tai-Ace S 150, magnesium sulfate, copper sulfate, zinc sulfate, ferrous sulfate, ferric sulfate, alum.
Preferably, in such scheme, described calcium salt is one or more combinations in monocalcium phosphate, secondary calcium phosphate, tricalcium phosphate, calcium chloride.
Preferably, in such scheme, the phosphoric acid salt of described sodium or potassium is one or more combinations in tertiary sodium phosphate, Sodium hexametaphosphate 99, trisodium phosphate, tripoly phosphate sodium STPP, SODIUM PHOSPHATE, MONOBASIC, potassium primary phosphate.
Preferably, in such scheme, described active filler is calcined kaolin, burns two or more combination in talcum, silicon powder, silicon ash, flyash.Further preferably, granularity≤250 order of described active filler.
Preferably, in such scheme, described resistance to water miscible liquid be pure-acrylic emulsion, benzene emulsion one or both.
In order to improve article water resistance further, and effectively reducing the precipitation of residual nitrogen ion and other solubility salt, stopping the appearance returning halogen, scum phenomenon, can at above-mentioned artificial synthesis stone surface spraying one deck pure-acrylic emulsion or benzene emulsion.It can the micropore on the effective magnesia rostone surface of shutoff, stops the infiltration of steam, also can reduce the precipitation of residual nitrogen ion and other solubility salt.
The present invention also provides the method manufacturing above-mentioned artificial synthesis stone, and it comprises the steps:
Step 1) weighing; Raw material is taken according to the ratio of raw material various in above-mentioned base-material and additive;
Step 2) batch mixing; First make solution by water-soluble for the magnesium chloride in base-material, again the vitriol in additive, phosphoric acid, calcium salt, tinting material are joined magnesium chloride solution and stir, then add activated magnesia to stir and make slurry, finally add the phosphoric acid salt of sodium or potassium, active filler, resistance to water miscible liquid, quartz, useless ceramic tile stir, complete batch mixing;
Step 3) is shaping; By step 2) mixed raw material pours in mould, treats its curing and demolding;
Step 4) maintenance; Goods after the demoulding are placed in 25 ~ 40 DEG C, the environment maintenance of humidity 60 ~ 80% is no less than 2 days, the environment maintenance being finally placed in shady and cool ventilation is no less than 21 days, can obtain finished product.
Preferably, in the above-mentioned methods, step 2) in the phosphoric acid salt of vitriol and sodium or potassium first add water be prepared into saturated solution after re-use.
Preferably, in the above-mentioned methods, step 2) in resistance to water miscible liquid water dilute according to mass ratio 1:1 after re-use.
Preferably, in order to improve article water resistance further, and effectively reducing the precipitation of residual nitrogen ion and other solubility salt, stopping the appearance returning halogen, scum phenomenon, before step 4) maintenance, one deck pure-acrylic emulsion or benzene emulsion can be sprayed at product surface.Wherein said pure-acrylic emulsion or benzene emulsion can re-use after thin up, and the Dilution ratio of pure-acrylic emulsion or benzene emulsion is pure-acrylic emulsion or benzene emulsion: water=1:4 ~ 15 (mass ratio).
Compared with the existing technology, scheme provided by the invention has following advantage:
1, the problem of artificial synthesis stone poor water resistance is solved.By adding additive, changing the phase structure in synthesis stone, reducing the 5Mg (OH) of poor water resistance
2.MgCl
2.8H
2o(is commonly called as 518 phases) ratio, and change the structure of 518 phases, be converted into water-fast squame phase by not water-fast needle-like, also have newly-generated water-fast thing to wrap up mutually 518 simultaneously, avoid it invaded by steam in wet environment and be hydrolyzed, reduce product strength.
2, products surface quality is good, and pore is few, substantially stops to return halogen, scum phenomenon.
3, by after described artificial synthesis stone immersion, more easily generate water-fast thing, thus improve intensity.
Embodiment
Technical scheme of the present invention is further illustrated below by embodiment.
Embodiment 1-12
Table 1: formula table
In upper table 1, in base-material, activated magnesia and magnesium chloride are mol ratio, and quartzy and useless ceramic tile is the mass ratio with activated magnesia and magnesium chloride quality sum; Additive is the mass percent of the activated magnesia accounted in base-material.
In above-mentioned formula table, activity value >=50% of activated magnesia used.
In embodiment 1, vitriol used is Tai-Ace S 150, and calcium salt is monocalcium phosphate, and the phosphoric acid salt of sodium or potassium is tertiary sodium phosphate, and active filler is calcined kaolin and burns the mixture that talcum is 1:1 in mass ratio, and resistance to water miscible liquid is pure-acrylic emulsion.
In example 2, tinting material used is inorganic color praseodymium yellow, and vitriol is magnesium sulfate, calcium salt is secondary calcium phosphate, the phosphoric acid salt of sodium or potassium is Sodium hexametaphosphate 99, and active filler is silicon powder and silicon ash is the mixture of 1:2 in mass ratio, and resistance to water miscible liquid is pure-acrylic emulsion.
In embodiment 3, tinting material used is that inorganic color is peacock blue, vitriol is copper sulfate, calcium salt is tricalcium phosphate, the phosphoric acid salt of sodium or potassium is trisodium phosphate and tripoly phosphate sodium STPP is the mixture of 1:1 in mass ratio, active filler is silicon ash and flyash is the mixture of 1:4 in mass ratio, and resistance to water miscible liquid is pure-acrylic emulsion.
In example 4, tinting material used is inorganic color Victoria Green WPB, vitriol is zinc sulfate and ferrous sulfate is the mixture of 1:1 in mass ratio, calcium salt is calcium chloride, the phosphoric acid salt of sodium or potassium is tripoly phosphate sodium STPP and SODIUM PHOSPHATE, MONOBASIC is the mixture of 1:2 in mass ratio, active filler is burning talcum and silicon powder is the mixture of 1:1 in mass ratio, and resistance to water miscible liquid is pure-acrylic emulsion.
In embodiment 5, tinting material used is that inorganic color is reddish brown, vitriol is ferric sulfate and alum is the mixture of 1:5 in mass ratio, calcium salt is tricalcium phosphate and calcium chloride is the mixture of 1:2 in mass ratio, the phosphoric acid salt of sodium or potassium is trisodium phosphate, active filler is calcined kaolin and silicon ash is the mixture of 1:1 in mass ratio, and resistance to water miscible liquid is benzene emulsion.
In embodiment 6, tinting material used be inorganic color cobalt black and dark brown be the mixture of 1:3 in mass ratio, vitriol is copper sulfate and alum is the mixture of 1:1 in mass ratio, calcium salt is tricalcium phosphate and secondary calcium phosphate is the mixture of 1:3 in mass ratio, the phosphoric acid salt of sodium or potassium is tripoly phosphate sodium STPP, active filler is calcined kaolin and silicon ash is the mixture of 1:1 in mass ratio, and resistance to water miscible liquid is benzene emulsion.
In embodiment 7, tinting material used is inorganic color manganese red, vitriol is copper sulfate and zinc sulfate is the mixture of 1:2 in mass ratio, calcium salt is tricalcium phosphate and monocalcium phosphate is the mixture of 1:5 in mass ratio, the phosphoric acid salt of sodium or potassium is tripoly phosphate sodium STPP and potassium primary phosphate is the mixture of 1:1 in mass ratio, active filler is calcined kaolin and flyash is the mixture of 1:1 in mass ratio, and resistance to water miscible liquid is benzene emulsion.
In embodiment 8, tinting material used be inorganic color cobalt black, dark brown, reddish brown be the mixture of 3:1:1 in mass ratio, vitriol is ferrous sulfate and alum is the mixture of 1:1 in mass ratio, calcium salt is calcium chloride and monocalcium phosphate is the mixture of 1:3 in mass ratio, the phosphoric acid salt of sodium or potassium is potassium primary phosphate, active filler is burning talcum and flyash is the mixture of 1:1 in mass ratio, and resistance to water miscible liquid is benzene emulsion.
In embodiment 9, tinting material used is inorganic color cobalt blue, vitriol is copper sulfate, ferrous sulfate and alum is the mixture of 1:1:1 in mass ratio, calcium salt is calcium chloride and monocalcium phosphate is the mixture of 1:3 in mass ratio, the phosphoric acid salt of sodium or potassium is potassium primary phosphate, active filler is burning talcum and flyash is the mixture of 1:1 in mass ratio, and resistance to water miscible liquid is benzene emulsion and pure-acrylic emulsion is the mixed solution of 1:1 by volume.
In embodiment 10, tinting material used is inorganic color praseodymium yellow, vitriol is ferric sulfate and alum is the mixture of 1:2 in mass ratio, calcium salt is calcium chloride, tricalcium phosphate and monocalcium phosphate is the mixture of 1:1:1 in mass ratio, the phosphoric acid salt of sodium or potassium is potassium primary phosphate, active filler is calcined kaolin and flyash is the mixture of 1:2 in mass ratio, and resistance to water miscible liquid is benzene emulsion and pure-acrylic emulsion is the mixed solution of 1:2 by volume.
In embodiment 11, tinting material used is inorganic color cobalt blue, cobalt black is the mixture of 1:1 in mass ratio, vitriol is ferric sulfate, calcium salt is calcium chloride, the phosphoric acid salt of sodium or potassium is potassium primary phosphate, tertiary sodium phosphate and Sodium hexametaphosphate 99 is the mixture of 1:1:1 in mass ratio, active filler is calcined kaolin and silicon powder is the mixture of 1:2 in mass ratio, and resistance to water miscible liquid is benzene emulsion and pure-acrylic emulsion is the mixed solution of 1:2 by volume.
In embodiment 12, tinting material used is inorganic color cobalt blue, cobalt black, dark brown be the mixture of 2:1:1 in mass ratio, vitriol is copper sulfate, calcium salt is tricalcium phosphate, the phosphoric acid salt of sodium or potassium is trisodium phosphate, active filler is calcined kaolin and silicon powder and burning talcum is the mixture of 1:2:1 in mass ratio, and resistance to water miscible liquid is benzene emulsion and pure-acrylic emulsion is the mixed solution of 1:2 by volume.
Need to illustrate, for tinting material, above embodiment only gives some exemplary illustrations, and general inorganic color/pigment can be selected, and carries out allocating in actual use according to the color that will present.
In order to obtain better effect, in above-mentioned additive, active filler is granularity≤250 object powders.
With reference to various material rate in embodiment 1-12 given in table 1, introduce and manufacture this artificial synthesis cubic meter of stone method:
Step 1) weighing; Raw material is taken according to the ratio of raw material various in base-material in formula table and additive.
Step 2) batch mixing; First make solution by water-soluble for the magnesium chloride in base-material, again the phosphoric acid in additive, vitriol, calcium salt, tinting material are joined magnesium chloride solution and stir, then add activated magnesia to stir and make slurry, finally add the phosphoric acid salt of sodium or potassium, active filler, resistance to water miscible liquid, quartz, useless ceramic tile stir, complete batch mixing.
Step 3) is shaping; By step 2) mixed raw material pours in mould, treats its curing and demolding.Usual set time is about 12 hours, and the addition of the kind of different material, ratio and water all can have certain influence to set time.
Step 4) maintenance; Goods after the demoulding are placed in 25 ~ 40 DEG C, the environment maintenance of humidity 60 ~ 80% is no less than 2 days (being preferably no less than 7 days), the environment maintenance being finally placed in shady and cool ventilation is no less than 21 days, can obtain finished product.
Certainly, step 2) in the phosphoric acid salt of vitriol and sodium or potassium first add water be prepared into saturated solution after re-use.
Test its water tolerance, water tolerance refers to material its intensity also not significantly reduced character that is not damaged under saturation water effect, represents with the coefficient of softening K that characteristic strength reduces.
K=fw/f
In formula: the folding strength of fw---material under saturated-water phase, MPa.
F---material folding strength in the dry state, MPa.
Coefficient of softening K contains the increase of saturated water amount along with material and reduces, and usual K is more than or equal to 0.85 for water-resistant material, can be in for a long time in water or in wet environment and use.
Concrete grammar chooses 200 goods for selecting by each embodiment, and wherein 100 after maintenance in 28 days, tests its folding strength; Then put into water and soak for remaining 100, after 7 days, take out, wipe surface water mark, test its folding strength.Detect data and see the following form 2.
Table 2
As can be seen from the above table, the invention provides artificial synthesis stone and have extraordinary water tolerance, even after water-wet, intensity promotes on the contrary to some extent.This is that prior art did not reach.Reaching above effect mainly because by adding additive, changing the phase structure in synthesis stone, reducing the 5Mg (OH) of poor water resistance
2.MgCl
2.8H
2o(is commonly called as 518 phases) ratio, and change the structure of 518 phases, be converted into water-fast squame phase by not water-fast needle-like, also have newly-generated water-fast thing to wrap up mutually 518 simultaneously, avoid it invaded by steam in wet environment and be hydrolyzed, reduce product strength.And newly-generated thing mutually in, have and promote the structure of its intensity.
Embodiment 13
In embodiment 3, vitriol used is copper sulfate, and calcium salt is tricalcium phosphate, and the phosphoric acid salt of sodium or potassium is trisodium phosphate and tripoly phosphate sodium STPP is the mixture of 1:1 in mass ratio, active filler is silicon ash and flyash is the mixture of 1:4 in mass ratio, and resistance to water miscible liquid is pure-acrylic emulsion.
Select enforcement 3 formula, preparation technology is embodiment 1-12 substantially as above.Difference is step 2) in copper sulfate in additive, trisodium phosphate and tripoly phosphate sodium STPP in mass ratio for the mixture of 1:1 first add water be prepared into saturated solution after re-use; And the pure-acrylic emulsion of resistance to water miscible liquid and water carry out 1:1 dilution in mass ratio after re-use.
The artificial synthesis stone maintenance of such preparation after 28 days folding strength (MPa) be 15.2MPa, in water, the folding strength soaked after 7 days is 17.4 (MPa), coefficient of softening K is 1.15.Intensity promotes to some extent.
In addition, in order to improve article water resistance further, and effectively reduce the precipitation of residual nitrogen ion and other solubility salt, stop the appearance returning halogen, scum phenomenon, the present invention also provides embodiment 14.In embodiment 14, before step 4) maintenance, first spray one deck pure-acrylic emulsion at product surface.Re-use after wherein said pure-acrylic emulsion thin up, the Dilution ratio of pure-acrylic emulsion is pure-acrylic emulsion: water=1:4(mass ratio).
Certain benzene emulsion also can use, and during thin up, Dilution ratio is with 1:4 ~ 15(mass ratio) be advisable, can adjust by situation in actual production.
By experiment, we find, in step 2) in the degree Beaume of the aqueous solution that magnesium chloride is made be 24 ~ 28Be, stir the slurry moisture made so below preferably shaping.MgO activity in addition: when 58 ~ 68%, intensity is higher.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (4)
1. an artificial synthesis stone, it is added water by base-material and additive and is prepared from;
Described base-material is made up of activated magnesia and magnesium chloride, quartz, useless ceramic tile, the mol ratio of wherein said activated magnesia and described magnesium chloride is: 1:5 ~ 8, and described quartz and described useless ceramic tile quality sum are 0 ~ 2.5 times of described activated magnesia and described magnesium chloride quality sum;
Described additive is made up of the phosphoric acid salt of phosphoric acid, vitriol, calcium salt, sodium or potassium, active filler, resistance to water miscible liquid, tinting material, the consumption of wherein said tinting material is the 0-10% of described activated magnesia quality, the consumption of described phosphoric acid is the 0.1%-0.8% of described activated magnesia quality, the consumption of described vitriol is the 0.5%-8% of described activated magnesia quality, described calcium salt consumption is the 0.1%-5% of described activated magnesia quality, the phosphoric acid salt consumption of described sodium or potassium is the 1%-8% of described activated magnesia quality, the consumption of described active filler is the 10%-35% of described activated magnesia quality, the described consumption of resistance to water miscible liquid is the 1%-13% of described activated magnesia quality, the consumption of described water is at least the vitriol in magnesium chloride in described base-material and described additive, the phosphoric acid salt of sodium or potassium makes the water consumption needed for saturated solution,
Described vitriol is one or more combinations in Tai-Ace S 150, magnesium sulfate, copper sulfate, zinc sulfate, ferrous sulfate, ferric sulfate, alum; Described calcium salt is one or more combinations in monocalcium phosphate, secondary calcium phosphate, tricalcium phosphate, calcium chloride; The phosphoric acid salt of described sodium or potassium is one or more combinations in tertiary sodium phosphate, Sodium hexametaphosphate 99, trisodium phosphate, tripoly phosphate sodium STPP, SODIUM PHOSPHATE, MONOBASIC, potassium primary phosphate; Described active filler is calcined kaolin, burns two or more combination in talcum, silicon powder, silicon ash, flyash; Described resistance to water miscible liquid be pure-acrylic emulsion, benzene emulsion one or both.
2. artificial synthesis stone as claimed in claim 1, is characterized in that, has one deck pure-acrylic emulsion or benzene emulsion at above-mentioned artificial synthesis stone surface spraying.
3. manufacture a method for artificial synthesis stone as claimed in claim 1, it comprises the steps:
Step 1) weighing; Raw material is taken according to the ratio of raw material various in above-mentioned base-material and additive;
Step 2) batch mixing; First make solution by water-soluble for the magnesium chloride in base-material, again the vitriol in additive, phosphoric acid, calcium salt, tinting material are joined magnesium chloride solution and stir, then add activated magnesia to stir and make slurry, finally add the phosphoric acid salt of sodium or potassium, active filler, resistance to water miscible liquid, quartz, useless ceramic tile stir, complete batch mixing;
Step 3) is shaping; By step 2) mixed raw material pours in mould, treats its curing and demolding;
Step 4) maintenance; Goods after the demoulding are placed in 25 ~ 40 DEG C, the environment maintenance of humidity 60 ~ 80% is no less than 2 days, the environment maintenance being finally placed in shady and cool ventilation is no less than 21 days, can obtain finished product;
Described vitriol is one or more combinations in Tai-Ace S 150, magnesium sulfate, copper sulfate, zinc sulfate, ferrous sulfate, ferric sulfate, alum; Described calcium salt is one or more combinations in monocalcium phosphate, secondary calcium phosphate, tricalcium phosphate, calcium chloride; The phosphoric acid salt of described sodium or potassium is one or more combinations in tertiary sodium phosphate, Sodium hexametaphosphate 99, trisodium phosphate, tripoly phosphate sodium STPP, SODIUM PHOSPHATE, MONOBASIC, potassium primary phosphate; Described active filler is calcined kaolin, burns two or more combination in talcum, silicon powder, silicon ash, flyash; Described resistance to water miscible liquid be pure-acrylic emulsion, benzene emulsion one or both.
4. the method manufacturing artificial synthesis stone as claimed in claim 3, it is characterized in that, described step 2) in vitriol and the phosphoric acid salt of sodium or potassium first add water be prepared into saturated solution after re-use, resistance to water miscible liquid first with water in mass ratio for 1:1 dilute after re-use.
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| CN104909602B (en) * | 2015-05-29 | 2017-05-03 | 盐城工学院 | Modifier for magnesium oxychloride cement as well as preparation method and applications thereof |
| CN106431174B (en) * | 2016-09-22 | 2019-12-20 | 佛山市东鹏陶瓷有限公司 | Preparation method of granular powder for magnesite product molding |
| CN106426516B (en) * | 2016-09-22 | 2019-01-04 | 佛山市东鹏陶瓷有限公司 | A kind of preparation method of magnesite board and its prepared magnesite board |
| CN107032761A (en) * | 2017-05-24 | 2017-08-11 | 杜健敏 | A kind of Ceramic Tiles |
| CN107336329B (en) * | 2017-07-05 | 2019-05-10 | 佛山市东鹏陶瓷有限公司 | A kind of ecological stone manufacturing process and its manufacturing equipment based on prehydration stirring |
| CN107473651A (en) * | 2017-09-19 | 2017-12-15 | 广西宏发海绵城市科技有限公司 | Permeable kerb and its production method |
| CN110092634A (en) * | 2019-05-23 | 2019-08-06 | 张家港市盛港绿色防火建材有限公司 | A kind of enhancing plate and preparation method thereof |
| CN110903101A (en) * | 2019-12-16 | 2020-03-24 | 怀化市新益全新型环保建材有限公司 | Wear-resisting type antiskid ceramic tile |
| CN114507081B (en) * | 2022-04-21 | 2022-07-12 | 广东纳德新材料有限公司 | Preparation process of inorganic ecological stone keeping high luminosity and inorganic ecological stone |
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| CN1086369C (en) * | 1998-02-23 | 2002-06-19 | 江伟 | Artificial mirror face marble and making technique thereof |
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Effective date of registration: 20170419 Address after: 528031 Chancheng, Foshan District, Jiangwan, No. three, No., layer 8, layer two Co-patentee after: Guangdong Dongpeng Holdings Co., Ltd. Patentee after: Foshan Dongpeng Ceramic Co., Ltd. Co-patentee after: Donghua Foshan New Material Co., Ltd. Address before: Chancheng District of Jiangwan city of Foshan province Guangdong three road 528031 No. 8 two Foshan city Eastroc Ceramics Co. Ltd Co-patentee before: Guangdong Dongpeng Holdings Co., Ltd. Patentee before: Foshan Dongpeng Ceramic Co., Ltd. Co-patentee before: Foshan Huashengchang Ceramic Co., Ltd. Co-patentee before: Guangdong Dongpeng Ceramic Co., Ltd. |
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