CN103482953A - 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 synthetic stone technology, relate in particular to a kind of artificial synthetic 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 the mountain masonry for building finishing material by laying bricks or stones ancient times.Up to modern age, stone material is still one of our main material of construction.The exploitation of the lithotome fried stone that needs to cut into a mountain more, then the stone base of outputing is cut to the operation such as polishing and be processed into sheet material and use, this is the serious waste natural resources not only, and recovery process destroys also very big to physical environment.
For this reason, people research and develop artificial synthetic stone and substitute traditional lithotome.Artificial synthetic stone can not only the natural imitation stone material intensity and texture texture, and technology profile, clean environment firendly.It is high that artificial synthetic stone has intensity, the advantage that wear resistance is good, but its water tolerance is poor, is not suitable for moist environment applicable, and particularly rainy in south, under humid environment, it is hydrolyzed possibly, the intensity step-down.
Summary of the invention
The object of the invention is to propose a kind of artificial synthetic stone, it has water tolerance preferably, and in wet environment, its intensity not only can not reduce, and can slightly increase on the contrary.
For reaching this purpose, the present invention by the following technical solutions: a kind of artificial synthetic stone, it adds water by base-material and additive and is prepared from, described base-material is comprised 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 described activated magnesia and described magnesium chloride quality sum 0～2.5 times, described additive is comprised of phosphoric acid salt, active filler, water-fast emulsion, the tinting material of phosphoric acid, vitriol, calcium salt, sodium or potassium, the 0-10% that the consumption of wherein said tinting material is described activated magnesia quality, the 0.1%-0.8% that the consumption of described phosphoric acid is described activated magnesia quality, the 0.5%-8% that the consumption of described vitriol is described activated magnesia quality, the 0.1%-5% that described calcium salt consumption is described activated magnesia quality, the 1%-8% that the phosphoric acid salt consumption of described sodium or potassium is described activated magnesia quality, the 10%-35% that the consumption of described active filler is described activated magnesia quality, the 1%-13% that described water-fast emulsion consumption is 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 is made the required water consumption of saturated solution.
Preferably, in such scheme, the activity value of described activated magnesia >=50%, more preferably 58%～68%.
Preferably, in such scheme, described vitriol is one or more combinations in Tai-Ace S 150, sal epsom, 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 two or more combination in calcined kaolin, burning talcum, silicon powder, silicon ash, flyash.Further preferably, the granularity of described active filler≤250 orders.
Preferably, in such scheme, described water-fast emulsion is one or both of pure-acrylic emulsion, benzene emulsion.
In order further to improve the goods water tolerance, and effectively reduce separating out of residual nitrogen ion and other solubility salt, stop to return the appearance of halogen, scum phenomenon, can be at above-mentioned artificial synthetic stone surface spraying one deck pure-acrylic emulsion or benzene emulsion.It is the micropore on the magnesia rostone of shutoff surface effectively, stops the infiltration of steam, also can reduce separating out of residual nitrogen ion and other solubility salt.
The present invention also provides the method for manufacturing above-mentioned artificial synthetic stone, and it comprises the steps:
The step 1) weighing; Ratio according to various raw materials in above-mentioned base-material and additive takes raw material;
Step 2) batch mixing; First by the water-soluble solution of making of the magnesium chloride in base-material, again the vitriol in additive, phosphoric acid, calcium salt, tinting material are joined to magnesium chloride solution and stir, then add activated magnesia to stir and make slurry, finally add phosphoric acid salt, active filler, water-fast emulsion, quartz, the useless ceramic tile of sodium or potassium to stir, complete batch mixing;
The step 3) moulding; By step 2) mixed raw material pours in mould, treats its curing and demolding;
The step 4) maintenance; Goods after the demoulding are placed in to 25～40 ℃, the environment maintenance of humidity 60～80% and are no less than 2 days, the environment maintenance that finally is placed in shady and cool ventilation is no less than 21 days, can obtain finished product.
Preferably, in aforesaid method, step 2), the phosphoric acid salt of vitriol and sodium or potassium first adds after water is prepared into saturated solution and re-uses.
Preferably, after being diluted according to mass ratio 1:1, the water-fast emulsion water in aforesaid method, step 2) re-uses.
Preferably, in order further to improve the goods water tolerance, and effectively reduce separating out of residual nitrogen ion and other solubility salt, stop to return the appearance of halogen, scum phenomenon, can be before the step 4) maintenance, at product surface spraying one deck pure-acrylic emulsion or benzene emulsion.But after wherein said pure-acrylic emulsion or benzene emulsion thin up, re-use, the Dilution ratio of pure-acrylic emulsion or benzene emulsion is pure-acrylic emulsion or benzene emulsion: water=1:4～15 (mass ratioes).
Compared with the existing technology, scheme provided by the invention has following advantage:
1, solved the problem of artificial synthetic stone poor water resistance.By adding additive, change the phase structure in synthetic stone, reduce 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, and be converted into water-fast squamous phase by not water-fast needle-like, also have newly-generated water-fast thing to be wrapped up mutually 518 simultaneously, avoid it in wet environment, by steam, to be invaded 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 synthetic stone immersion, more easily generate water-fast thing, thereby improve intensity.
Embodiment
Further illustrate technical scheme of the present invention 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 that accounts for the activated magnesia in base-material.
In above-mentioned formula table, the activity value of activated magnesia used >=50%.
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 that calcined kaolin and burning talcum are the mixture of 1:1 in mass ratio, and water-fast emulsion is pure-acrylic emulsion.
In embodiment 2, tinting material used is the inorganic color praseodymium yellow, and vitriol is sal epsom, calcium salt is secondary calcium phosphate, the phosphoric acid salt of sodium or potassium is Sodium hexametaphosphate 99, and active filler is that silicon powder and silicon ash are the mixture of 1:2 in mass ratio, and water-fast emulsion 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 that trisodium phosphate and tripoly phosphate sodium STPP are the mixture of 1:1 in mass ratio, active filler is that silicon ash and flyash are the mixture of 1:4 in mass ratio, and water-fast emulsion is pure-acrylic emulsion.
In embodiment 4, tinting material used is the inorganic color Victoria Green WPB, vitriol is that zinc sulfate and ferrous sulfate are the mixture of 1:1 in mass ratio, calcium salt is calcium chloride, the phosphoric acid salt of sodium or potassium is that tripoly phosphate sodium STPP and SODIUM PHOSPHATE, MONOBASIC are the mixture of 1:2 in mass ratio, active filler is the mixture of 1:1 for burning talcum and silicon powder in mass ratio, and water-fast emulsion is pure-acrylic emulsion.
In embodiment 5, tinting material used is that inorganic color is reddish brown, vitriol is that ferric sulfate and alum are the mixture of 1:5 in mass ratio, calcium salt is that tricalcium phosphate and calcium chloride are the mixture of 1:2 in mass ratio, the phosphoric acid salt of sodium or potassium is trisodium phosphate, active filler is that calcined kaolin and silicon ash are the mixture of 1:1 in mass ratio, and water-fast emulsion is benzene emulsion.
In embodiment 6, tinting material used be the inorganic color cobalt black and dark brown be the mixture of 1:3 in mass ratio, vitriol is that copper sulfate and alum are the mixture of 1:1 in mass ratio, calcium salt is that tricalcium phosphate and secondary calcium phosphate are the mixture of 1:3 in mass ratio, the phosphoric acid salt of sodium or potassium is tripoly phosphate sodium STPP, active filler is that calcined kaolin and silicon ash are the mixture of 1:1 in mass ratio, and water-fast emulsion is benzene emulsion.
In embodiment 7, tinting material used is the inorganic color manganese red, vitriol is that copper sulfate and zinc sulfate are the mixture of 1:2 in mass ratio, calcium salt is that tricalcium phosphate and monocalcium phosphate are the mixture of 1:5 in mass ratio, the phosphoric acid salt of sodium or potassium is that tripoly phosphate sodium STPP and potassium primary phosphate are the mixture of 1:1 in mass ratio, active filler is that calcined kaolin and flyash are the mixture of 1:1 in mass ratio, and water-fast emulsion is benzene emulsion.
In embodiment 8, tinting material used be the inorganic color cobalt black, dark brown, reddish brown be the mixture of 3:1:1 in mass ratio, vitriol is that ferrous sulfate and alum are the mixture of 1:1 in mass ratio, calcium salt is that calcium chloride and monocalcium phosphate are the mixture of 1:3 in mass ratio, the phosphoric acid salt of sodium or potassium is potassium primary phosphate, active filler is the mixture of 1:1 for burning talcum and flyash in mass ratio, and water-fast emulsion is benzene emulsion.
In embodiment 9, tinting material used is the inorganic color cobalt blue, vitriol is that copper sulfate, ferrous sulfate and alum are the mixture of 1:1:1 in mass ratio, calcium salt is that calcium chloride and monocalcium phosphate are the mixture of 1:3 in mass ratio, the phosphoric acid salt of sodium or potassium is potassium primary phosphate, active filler is the mixture of 1:1 for burning talcum and flyash in mass ratio, and water-fast emulsion is that benzene emulsion and pure-acrylic emulsion are the mixed solution of 1:1 by volume.
In embodiment 10, tinting material used is the inorganic color praseodymium yellow, vitriol is that ferric sulfate and alum are the mixture of 1:2 in mass ratio, calcium salt is that calcium chloride, tricalcium phosphate and monocalcium phosphate are the mixture of 1:1:1 in mass ratio, the phosphoric acid salt of sodium or potassium is potassium primary phosphate, active filler is that calcined kaolin and flyash are the mixture of 1:2 in mass ratio, and water-fast emulsion is that benzene emulsion and pure-acrylic emulsion are the mixed solution of 1:2 by volume.
In embodiment 11, tinting material used is that inorganic color cobalt blue, cobalt black are 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 that potassium primary phosphate, tertiary sodium phosphate and Sodium hexametaphosphate 99 are the mixture of 1:1:1 in mass ratio, active filler is that calcined kaolin and silicon powder are the mixture of 1:2 in mass ratio, and water-fast emulsion is that benzene emulsion and pure-acrylic emulsion are the mixed solution of 1:2 by volume.
In embodiment 12, tinting material used be 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 that calcined kaolin and silicon powder and burning talcum are the mixture of 1:2:1 in mass ratio, and water-fast emulsion is that benzene emulsion and pure-acrylic emulsion are the mixed solution of 1:2 by volume.
Need explanation, for tinting material, above embodiment has only provided some exemplary illustrations, and general inorganic color/pigment can be selected, and allocates and gets final product according to the color that will present in actual use.
In order to obtain better effect, in above-mentioned additive, active filler is granularity≤250 purpose powders.
With reference to various material rates in embodiment 1-12 given in table 1, introduce this artificial synthetic cubic meter of stone method of manufacturing:
The step 1) weighing; Ratio according to various raw materials in base-material in formula table and additive takes raw material.
Step 2) batch mixing; First by the water-soluble solution of making of the magnesium chloride in base-material, again the phosphoric acid in additive, vitriol, calcium salt, tinting material are joined to magnesium chloride solution and stir, then add activated magnesia to stir and make slurry, finally add phosphoric acid salt, active filler, water-fast emulsion, quartz, the useless ceramic tile of sodium or potassium to stir, complete batch mixing.
The step 3) moulding; By step 2) mixed raw material pours in mould, treats its curing and demolding.Usually be about 12 hours set time, the addition of the kind of different material, ratio and water all can be to there being certain influence set time.
The step 4) maintenance; Goods after the demoulding are placed in to 25～40 ℃, the environment maintenance of humidity 60～80% and are no less than 2 days (be preferably and be no less than 7 days), the environment maintenance that finally is placed in shady and cool ventilation is no less than 21 days, can obtain finished product.
Certainly, step 2), the phosphoric acid salt of vitriol and sodium or potassium first adds after water is prepared into saturated solution and re-uses.
Test its water tolerance, water tolerance refers to material under the saturation water effect and the also not significantly reduced character of its intensity that is not damaged, and the coefficient of softening K reduced with characteristic strength means.
K=fw/f
In formula: the folding strength of fw---material under saturated-water phase, MPa.
The folding strength of f---material under drying regime, MPa.
Coefficient of softening K is along with material reduces containing the increase of saturated water amount, and K is more than or equal to 0.85 for the water tolerance material usually, can in water or in wet environment, use for a long time.
Concrete grammar is chosen 200 goods for selecting by each embodiment, and wherein 100 after maintenance in 28 days, tests its folding strength; Put into water and soak for remaining 100, after 7 days, take out, wipe the 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 synthetic 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 is mainly because by adding additive, changes the phase structure in synthetic stone, reduces 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, and be converted into water-fast squamous phase by not water-fast needle-like, also have newly-generated water-fast thing to be wrapped up mutually 518 simultaneously, avoid it in wet environment, by steam, to be invaded and be hydrolyzed, reduce product strength.And, in newly-generated phase, the structure that promotes its intensity is arranged.
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 that trisodium phosphate and tripoly phosphate sodium STPP are the mixture of 1:1 in mass ratio, active filler is that silicon ash and flyash are the mixture of 1:4 in mass ratio, and water-fast emulsion is pure-acrylic emulsion.
Select to implement 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 re-use for the mixture of 1:1 first adds after water is prepared into saturated solution in mass ratio; And water-fast emulsion pure-acrylic emulsion and water carry out re-using after the 1:1 dilution in mass ratio.
So the artificial synthetic stone maintenance of preparation after 28 days folding strength (MPa) be 15.2MPa, in water, the folding strength of immersion after 7 days is 17.4 (MPa), coefficient of softening K is 1.15.Intensity promotes to some extent.
In addition, in order further to improve the goods water tolerance, and effectively reduce separating out of residual nitrogen ion and other solubility salt, stop to return the appearance of halogen, scum phenomenon, the present invention also provides embodiment 14.In embodiment 14, before the step 4) maintenance, first at product surface spraying one deck pure-acrylic emulsion.After wherein said pure-acrylic emulsion thin up, re-use, the Dilution ratio of pure-acrylic emulsion is pure-acrylic emulsion: water=1:4(mass ratio).
Certainly benzene emulsion also can be used, and during thin up, Dilution ratio is with 1:4～15(mass ratio) be advisable, can be by the situation adjustment 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, the slurry moisture moulding preferably that the back stirring is made like this.MgO activity in addition: in the time of 58～68%, intensity is higher.
Know-why of the present invention has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present invention, and can not be interpreted as by any way limiting the scope of the invention.Explanation based on herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, within these modes all will fall into protection scope of the present invention.
Claims (9)
1. an artificial synthetic stone, it adds water by base-material and additive and is prepared from;
Described base-material is comprised 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 described activated magnesia and described magnesium chloride quality sum 0～2.5 times;
Described additive is comprised of phosphoric acid salt, active filler, water-fast emulsion, the tinting material of phosphoric acid, vitriol, calcium salt, sodium or potassium, the 0-10% that the consumption of wherein said tinting material is described activated magnesia quality, the 0.1%-0.8% that the consumption of described phosphoric acid is described activated magnesia quality, the 0.5%-8% that the consumption of described vitriol is described activated magnesia quality, the 0.1%-5% that described calcium salt consumption is described activated magnesia quality, the 1%-8% that the phosphoric acid salt consumption of described sodium or potassium is described activated magnesia quality, the 10%-35% that the consumption of described active filler is described activated magnesia quality, the 1%-13% that described water-fast emulsion consumption is 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 is made the required water consumption of saturated solution.
2. artificial synthetic stone as claimed in claim 1, is characterized in that, described vitriol is one or more combinations in Tai-Ace S 150, sal epsom, copper sulfate, zinc sulfate, ferrous sulfate, ferric sulfate, alum.
3. artificial synthetic stone as claimed in claim 1, is characterized in that, described calcium salt is one or more combinations in monocalcium phosphate, secondary calcium phosphate, tricalcium phosphate, calcium chloride.
4. artificial synthetic stone as claimed in claim 1, is characterized in that, 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.
5. artificial synthetic stone as claimed in claim 1, is characterized in that, described active filler is two or more combination in calcined kaolin, burning talcum, silicon powder, silicon ash, flyash.
6. artificial synthetic stone as claimed in claim 1, is characterized in that, described water-fast emulsion is one or both of pure-acrylic emulsion, benzene emulsion.
7. artificial synthetic stone as described as any one in claim 1 to 6, is characterized in that, at above-mentioned artificial synthetic stone surface spraying, one deck pure-acrylic emulsion or benzene emulsion arranged.
8. a method of manufacturing artificial synthetic stone as claimed in claim 1, it comprises the steps:
The step 1) weighing; Ratio according to various raw materials in above-mentioned base-material and additive takes raw material;
Step 2) batch mixing; First by the water-soluble solution of making of the magnesium chloride in base-material, again the vitriol in additive, phosphoric acid, calcium salt, tinting material are joined to magnesium chloride solution and stir, then add activated magnesia to stir and make slurry, finally add phosphoric acid salt, active filler, water-fast emulsion, quartz, the useless ceramic tile of sodium or potassium to stir, complete batch mixing;
The step 3) moulding; By step 2) mixed raw material pours in mould, treats its curing and demolding;
The step 4) maintenance; Goods after the demoulding are placed in to 25～40 ℃, the environment maintenance of humidity 60～80% and are no less than 2 days, the environment maintenance that finally is placed in shady and cool ventilation is no less than 21 days, can obtain finished product.
9. the method for the artificial synthetic stone of manufacture as claimed in claim 8, it is characterized in that, the phosphoric acid salt of the vitriol described step 2) and sodium or potassium first adds after water is prepared into saturated solution and re-uses, and the first water of water-fast emulsion re-uses after being diluted for 1:1 in mass ratio.
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| CN104909602A (en) * | 2015-05-29 | 2015-09-16 | 盐城工学院 | Modifier for magnesium oxychloride cement as well as preparation method and applications thereof |
| CN106426516A (en) * | 2016-09-22 | 2017-02-22 | 佛山市东鹏陶瓷有限公司 | Method for preparing magnesite plate and magnesite plate prepared through method |
| CN106431174A (en) * | 2016-09-22 | 2017-02-22 | 佛山市东鹏陶瓷有限公司 | Preparing method of granular powder lot used for molding magnesian products |
| CN107032761A (en) * | 2017-05-24 | 2017-08-11 | 杜健敏 | A kind of Ceramic Tiles |
| CN107336329A (en) * | 2017-07-05 | 2017-11-10 | 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 |
| CN114507081A (en) * | 2022-04-21 | 2022-05-17 | 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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| CN104909602A (en) * | 2015-05-29 | 2015-09-16 | 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 |
| CN106431174A (en) * | 2016-09-22 | 2017-02-22 | 佛山市东鹏陶瓷有限公司 | Preparing method of granular powder lot used for molding magnesian products |
| 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 |
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| 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 |
| CN114507081A (en) * | 2022-04-21 | 2022-05-17 | 广东纳德新材料有限公司 | Preparation process of inorganic ecological stone keeping high luminosity and inorganic ecological stone |
| 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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