CN103232219A - Inorganic artificial stone with negative ion function and preparation method thereof - Google Patents
Inorganic artificial stone with negative ion function and preparation method thereof Download PDFInfo
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- CN103232219A CN103232219A CN2013101464723A CN201310146472A CN103232219A CN 103232219 A CN103232219 A CN 103232219A CN 2013101464723 A CN2013101464723 A CN 2013101464723A CN 201310146472 A CN201310146472 A CN 201310146472A CN 103232219 A CN103232219 A CN 103232219A
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Abstract
The invention discloses an inorganic artificial stone with a negative ion function and a preparation method thereof. The method comprises the following steps of: preparing magnesium oxychloride cement slurry from MgO and MgCl2 at a ratio, and doping metakaolin and phosphoric acid which serve as a composite modifying agent into the magnesium oxychloride cement slurry to prepare modified magnesium oxychloride cement slurry; after stirring uniformly, performing injection mouding to form an inorganic artificial stone plate substrate; uniformly mixing negative ion powder and the modified magnesium oxychloride cement slurry to prepare negative ion functional slurry; uniformly coating the negative ion functional slurry on the surface of the plate substrate; and after maintaining at normal temperature for 7 days, polishing or not polishing as required to prepare the inorganic artificial stone with the negative ion function. According to the inorganic artificial stone with the negative ion function, the negative ion release quantity is more than 500 ions/cm<3>, the dry bending strength is more than 18 MPa and the bending strength 28-day softening coefficient reaches over 0.86. According to the inorganic artificial stone with the negative ion function and the preparation method thereof, waste stone materials can be utilized, and the inorganic artificial stone with the negative ion release function is favorable for environmental conservation.
Description
Technical field
The present invention relates to artificial cement stone, particularly relate to a kind of inorganic artificial stone with anion function and preparation method thereof, belong to artificial stone-like material's manufacture field.
Background technology
At present, in environmental evaluation, negative ion concentration is listed in an important parameter weighing Air quality in the air.Yet the modern life, industrial pollution are constantly affecting surrounding environment, and airborne negative ions balance is seriously lacked of proper care, and the negative ion number falls sharply, and has had influence on the Air quality of environment, and then influences the healthy of people.Therefore, the research preparation has the rostone of negative ion-releasing function, is used for the Green environmental-protection building finishing material, will be significant to the coordination protection of environment.But the organic coating with negative ion-releasing function is coated on body material particularly exists defectives such as poor adhesive force, surface hardness are low, heat and flame poor performance during building and ornament materials, tourmaline powder bad dispersibility in organic coating causes complicated process of preparation, influences the anion number burst size.
Some Chinese scholars are also being done a little researchs aspect the negative ion-releasing function coating improvement magnesia oxychloride cement rostone.Liang J.S. etc. prepares laminated film with superfine tourmaline powder, comparatively complicated at the dispersed treatment process of negative ion powder, bad (the Liang J.S. of negative ion releasing effect, Meng J.P, Liang G.C..Preparation and photocatalytic activity of composite films containing clustered TiO2pa rticles and mineral tou rmaline powders[J] .Nonferrous Met.SOC.China, 2006 (16): 542-546).Xu Xia and Wang's generation equality are used in organic anionic finishing agent and operational research thereof with indoor decoration coating shortcoming (Xu Xia such as surface hardness is low, heat and flame poor performance, Xing Tieling, Zhong Tiankai etc., the development of nano-negative ion finishing composition and the application on automobile interior trim [J] thereof. dye transfer auxiliary agent, 2010 (27): 39-42; Wang Shiping. the preparation of water negative ion coating and application thereof [J]. Shanghai coating, 2011:52-53).
The poor water resistance of magnesia oxychloride cement own badly influences performance and the work-ing life of magnesia oxychloride cement and rostone thereof.For this reason, existing Modifying Magnesium Oxychloride Cement research (rostone mechanical property evaluation criteria is coefficient of softening, i.e. the folding strength ratio of 28 days front and back of magnesium oxychloride cement product immersion).Dehua Deng etc. are with the research of phosphoric acid, soluble phosphate modified magnesium oxychloride cement water tolerance, the folding strength coefficient of softening can reach 0.75 (The mechanism for soluble phosphates to improve the water resistance of magnesium oxychloride cement[J] .Cement and Concrete Research, 2003 (33): 1311-1317).Jianquan Li and BA Hengjing etc. also have similar research (BA Hengjing, GUAN Hui.Influence of MgO/MgCl with phosphoric acid salt modified magnesium oxychloride cement water tolerance
2Molar Ratio on Phase Stability of Magnesium Oxychloride Cement[J] .Journal of Wuhan University of Technolotgy-Mater.2009 (12): 476-481; Jianquan Li, Guozhong Li, Yanzhen Yu.The influence of compound additive on magnesium oxychloridecement/urban refuse floor tile[J] .Construction and Building Materials, 2008 (22): 521-525) in addition, also have research with flyash modified magnesia oxychloride cement water tolerance (Yan Zhenjia. magnesium modified cement and production of articles practical technique [M]. Beijing: Chemical Industry Press, 2006:142-233).Though above-mentioned method of modifying can improve the water tolerance of magnesia oxychloride cement to a certain extent, folding strength coefficient of softening is the highest only reaches 0.75 for it, still fails the fine needs that satisfy practical application.Be that the inorganic artificial stone water resistance of matrix is good with silicate cement, high-alumina cement, but folding strength is on the low side, also there is the problem of later strength retraction in the high-alumina cement goods.
Summary of the invention
The objective of the invention is to overcome the prior art shortcoming, a kind of negative ion-releasing function that has is provided, water-tolerant, coating and base material bonding force are good, and surface hardness is high has inorganic artificial stone of anion function and preparation method thereof.
The present invention applies incorporating modified tourmaline anion powder modified magnesium oxychloride cement slurry on the modified magnesium oxychloride cement body material, prepare a kind of method with negative ion-releasing function magnesia oxychloride cement based artificial stone.Anion function inorganic artificial stone of the present invention, it is simple to have fast solidifying, intensity height, water-tolerant, preparation technology, advantage such as goods tool uninflammability, processability are better, and having high-negative ion burst size function, is a kind of new preparation process of anion-release functional form magnesia oxychloride cement based artificial stone.
The object of the invention is achieved through the following technical solutions:
A kind of preparation method with inorganic artificial stone of anion function comprises the steps and processing condition:
(1) be the MgCl of 25～32 ° of B é with MgO and degree Beaume
2Solution is 1: 0.8～1.2 to be mixed with the magnesia oxychloride cement slurry by mass ratio; Magnesia oxychloride cement slurry and metakaolin and concentration are that the mass ratio of 4mol/L～10mol/L phosphoric acid is: 1: 0.02～0.15: 0.01～0.08, and preparation modified magnesium oxychloride cement slurry;
(2) modified magnesium oxychloride cement slurry and negative ion powder are 1: 0.05～0.3 evenly to mix by mass ratio, prepare the anion function slurry; Described negative ion powder prepares by the following method: 400～1280 order iron dravite powders after 0.5-1 hour, are 1: 0.1～0.4 evenly to mix with 400～800 order cerous nitrate powders by mass ratio through 800 ℃～900 ℃ calcinings;
(3) modified magnesium oxychloride cement slurry, stone grain and polishing stone flour by mass ratio count 1: 0.5～4.0: 0.05～0.1, after the mixing and stirring, casting 10mm～30mm inorganic artificial stone slab matrix; Behind 30～40min, the anion function slurry evenly is coated on the inorganic artificial stone slab matrix, thickness is 1～3mm, places the normal temperature maintenance after 7 days, can make the inorganic artificial stone with anion function.
Further, described metakaolin is that kaolin made through 600 ℃～900 ℃ calcinings in 0.5-2.5 hour.
Described stone grain is particle diameter 5mm～20mm marble or grouan particle, and by mass percentage, water ratio all is lower than 10%.
Described polishing stone flour is the useless stone powder slurry of processing marble or the generation of grouan polishing process, and by mass percentage, water ratio all is lower than 20%.
Have the modified magnesium oxychloride cement rostone of anion function, made by above-mentioned preparation method; The ion of this modified magnesium oxychloride cement rostone is released to 510/cm
3～1050/cm
3, dry flexural strength is 18MPa～20MPa, coefficient of softening was 0.86～0.90 in 28 days; Mohs' hardness is 4～5; Water-intake rate is 0.19～0.24; The modified magnesium oxychloride cement rostone mirror luster degree of the anion function of polishing is 65.8GS～70.2GS.
The inventive method is utilized the acting in conjunction of metakaolin and phosphoric acid with metakaolin and the composite modified magnesia oxychloride cement of phosphoric acid, imitates to suppress Mg in the magnesia oxychloride cement
2+, Cl
-Stripping in water, still can keep former 518 crystal phase structures to exist after the immersion, make the hydrate of magnesia oxychloride cement can be in water stable existence more, thereby improved the water tolerance of magnesia oxychloride cement rostone body material, its flexural strength coefficient of softening is reached more than 0.86.And then utilize negative ion powder and magnesia oxychloride cement to prepare the negative ion-releasing function inorganic paint, inorganic paint evenly is coated on rostone substrate material surface after the above-mentioned modification, namely be prepared into the negative ion-releasing function rostone after the maintenance sclerosis, the negative ion burst size is greater than 500/cm3.
The present invention utilizes anion function magnesia oxychloride cement inorganic paint to be coated on to improve the magnesia oxychloride cement water tolerance and prepares the rostone substrate material surface, the negative ion-releasing function rostone for preparing, both improved the water tolerance of chlorine oxygen magnesium based artificial stone, prolong the work-ing life of rostone, have negative ion-releasing function again to reach the effect of health care.The purpose that reach at one stroke the protection environment, is beneficial to health.
The present invention has following advantage and beneficial effect:
(1) the present invention is incorporated in the magnesia oxychloride cement slurry with anion powder, and two kinds of mixing between inorganic make the negative ion powder physical efficiency that good dispersiveness be arranged in cement slurry;
(2) the present invention is body material with the modified magnesium oxychloride cement rostone, and surface layer is anion function magnesia oxychloride cement based sizing, has good bonding force and surface hardness;
(3) the present invention as composite modifier, makes magnesia oxychloride cement can suppress Mg effectively with metakaolin and phosphoric acid in water
2+, Cl
-Stripping, immersion back hydrate can be good at keeping 518 crystal phase structures, and hardening of cement body structure stable existence in water has good water tolerance after making the immersion of magnesia oxychloride cement based artificial stone body material, has prolonged work-ing life;
(4) the present invention's waste material of having utilized stone material cutting, polishing processing to produce prepares magnesia oxychloride cement based artificial stone body material, is conducive to environment protection, turns waste into wealth;
(5) function rostone of the present invention has the negative ion of release ability, and the negative ion burst size is higher than 500/cm
3, reach the effect that purifies ambient air, human body is had health care.
Embodiment
The invention will be further described below in conjunction with embodiment, but the scope of protection of present invention is not limited to the scope of embodiment statement.
Embodiment 1
A kind of preparation method with inorganic artificial stone of anion function comprises the steps and processing condition:
(1) kaolin calcining under 600 ℃ was made metakaolin in 2.5 hours.
(2) be the MgCl of 32 ° of B é with MgO and degree Beaume
2Solution is to be mixed with the magnesia oxychloride cement slurry at 1: 0.8 by mass ratio; Be that 10mol/L phosphoric acid is by mass ratio with magnesia oxychloride cement slurry, metakaolin and concentration: be mixed with modified magnesium oxychloride cement slurry 6kg at 1: 0.02: 0.01.
(3) 1280 order iron dravite powders are through 900 ℃ of calcinings after 0.5 hour, with 800 order cerous nitrate powders be 1: 0.3 evenly mixed modification iron dravite negative ion powder by mass ratio.
(4) modified magnesium oxychloride cement slurry and modification iron dravite negative ion powder are evenly to mix at 1: 0.05 by mass ratio, prepare anion function slurry 4kg.
(5) modified magnesium oxychloride cement slurry 6kg, particle diameter is 5mm～20mm marble grain 18kg, marble polishing stone flour 0.3kg mixing and stirring, marble grain quality water ratio 8%, marble rotten-stone opaque amount water ratio 18%, casting must long 1000mm, the rostone body material of wide 1000mm, thick 10mm, behind the 40min, anion function slurry 4kg evenly is coated on the parent plate face layer, the about 2mm of thickness, natural curing to the surface layer polishing, can make the inorganic artificial stone with anion function after 7 days.This inorganic artificial stone with anion function is with the check of JC/T1016-2006 material negative ion method generating capacity testing method, 1050/cm of negative ion burst size
3With the check of the natural ornamental stone test method of GB/T9966.2 part 2, dry flexural strength is 20MPa, and coefficient of softening was 0.88 in 28 days, and in flexural strength detected, its body material and surface layer still closely were connected as one after test specimen fractureed, and did not have layering to peel off; With natural ornamental stone test method the 3rd partial test of GB/T9966.3, water-intake rate is 0.19; With the check of DB44/T768-2010 appendix B Mohs' hardness test method, its surface hardness is Mohs' hardness 4; With the check of GB/T13891 Test methods of specular gloss for decorative building materials, the mirror luster degree is 65.8GS.
Embodiment 2
A kind of preparation method with inorganic artificial stone of anion function comprises the steps and processing condition:
(1) kaolin calcining under 800 ℃ was made metakaolin in 1 hour.
(2) be the MgCl of 25 ° of B é with MgO and degree Beaume
2Solution is to be mixed with the magnesia oxychloride cement slurry at 1: 1.2 by mass ratio; Be that 4mol/L phosphoric acid is by mass ratio with magnesia oxychloride cement slurry, metakaolin and concentration: 1: 0.15: 0.08 mixed modified magnesium oxychloride cement slurry 3kg.
(3) 4000 order iron dravite powders are through 900 ℃ of calcinings after 0.5 hour, with 400 order cerous nitrate powders be 1: 0.1 evenly mixed modification iron dravite negative ion powder by mass ratio.
(4) modified magnesium oxychloride cement slurry and modification iron dravite negative ion powder are evenly to mix at 1: 0.1 by mass ratio, prepare anion function slurry 2kg.
(5) with modified magnesium oxychloride cement slurry 2.5kg, particle diameter is 5mm～20mm grouan grain 10kg, grouan polishing stone flour 0.12kg mixing and stirring, grouan grain quality water ratio is 8%, grouan rotten-stone opaque amount water ratio is 18%, the rostone body material of the long 500mm of casting, wide 500mm, thick 10mm, behind the 30min, anion function slurry 2kg evenly is coated on the parent plate face layer, thickness is about 2mm, natural curing to the surface layer polishing, can make the inorganic artificial stone with anion function after 7 days.
This inorganic artificial stone with anion function is with the check of JC/T1016-2006 material negative ion method generating capacity testing method, 650/cm of negative ion burst size
3With the check of the natural ornamental stone test method of GB/T9966.2 part 2, dry flexural strength 18MPa, coefficient of softening 0.86 in 28 days, and in flexural strength detected, its body material and surface layer still closely were connected as one after test specimen fractureed, and did not have layering to peel off; With natural ornamental stone test method the 3rd partial test of GB/T9966.3, water-intake rate is 0.24; With the check of DB44/T768-2010 appendix B Mohs' hardness test method, its surface hardness is Mohs' hardness 4; With the check of GB/T13891 Test methods of specular gloss for decorative building materials, the mirror luster degree is 70.2GS.
Embodiment 3
A kind of preparation method with inorganic artificial stone of anion function comprises the steps and processing condition:
(1) kaolin calcining under 900 ℃ was made metakaolin in 0.5 hour.
(2) be the MgCl of 30 ° of B é with MgO and degree Beaume
2Solution is to be mixed with the magnesia oxychloride cement slurry at 1: 1 by mass ratio; Be 6mol/L phosphoric acid by mass ratio with magnesia oxychloride cement slurry, metakaolin and concentration be 1: 0.1: 0.05 mixed modified magnesium oxychloride cement slurry 3kg.
(3) 4000 order iron dravite powders are through 900 ℃ of calcinings after 0.5 hour, with 400 order cerous nitrate powders be 1: 0.4 evenly mixed modification iron dravite negative ion powder by mass ratio.
(4) modified magnesium oxychloride cement slurry and modification iron dravite negative ion powder are evenly to mix at 1: 0.3 by mass ratio, prepare anion function slurry 2kg.
(5) with modified magnesium oxychloride cement slurry 8kg, particle diameter is 5mm～20mm grouan grain 4kg, marble polishing stone flour 0.3kg mixing and stirring, grouan grain quality water ratio is 9%, marble rotten-stone opaque amount water ratio 18%, the rostone body material of the long 500mm of casting, wide 500mm, thick 10mm, behind the 35min, anion function slurry 2kg evenly is coated on the parent plate face layer, thickness is about 2mm, after the natural curing 7 days, can make the inorganic artificial stone with anion function.
This inorganic artificial stone with anion function is with the check of JC/T1016-2006 material negative ion method generating capacity testing method, 850/cm of negative ion burst size
3With the check of the natural ornamental stone test method of GB/T9966.2 part 2, dry flexural strength is 21MPa, and coefficient of softening was 0.90 in 28 days, and in flexural strength detected, its body material and surface layer still closely were connected as one after test specimen fractureed, and did not have layering to peel off; With natural ornamental stone test method the 3rd partial test of GB/T9966.3, water-intake rate is 0.19; With the check of DB44/T768-2010 appendix B Mohs' hardness test method, its surface hardness is Mohs' hardness 5.
Claims (5)
1. preparation method with inorganic artificial stone of anion function is characterized in that comprising the steps and processing condition:
(1) be the MgCl of 25～32 ° of B é with MgO and degree Beaume
2Solution is 1: 0.8～1.2 to be mixed with the magnesia oxychloride cement slurry by mass ratio; Magnesia oxychloride cement slurry and metakaolin and concentration are that the mass ratio of 4mol/L～10mol/L phosphoric acid is: 1: 0.02～0.15: 0.01～0.08, and preparation modified magnesium oxychloride cement slurry;
(2) modified magnesium oxychloride cement slurry and negative ion powder are 1: 0.05～0.3 evenly to mix by mass ratio, prepare the anion function slurry; Described negative ion powder prepares by the following method: 400～1280 order iron dravite powders after 0.5-1 hour, are 1: 0.1～0.4 evenly to mix with 400～800 order cerous nitrate powders by mass ratio through 800 ℃～900 ℃ calcinings;
(3) modified magnesium oxychloride cement slurry, stone grain and polishing stone flour by mass ratio count 1: 0.5～4.0: 0.05～0.1, after the mixing and stirring, casting 10mm～30mm inorganic artificial stone slab matrix; Behind 30～40min, the anion function slurry evenly is coated on the inorganic artificial stone slab matrix, thickness is 1～3mm, places the normal temperature maintenance after 7 days, can make the inorganic artificial stone with anion function.
2. according to the described preparation method with inorganic artificial stone of anion function of claim 1, it is characterized in that: described metakaolin is that kaolin made through 600 ℃～900 ℃ calcinings in 0.5-2.5 hour.
3. according to the described preparation method with inorganic artificial stone of anion function of claim 1, it is characterized in that: described stone grain is particle diameter 5mm～20mm marble or grouan particle, and by mass percentage, water ratio all is lower than 10%.
4. according to the described preparation method with inorganic artificial stone of anion function of claim 1, it is characterized in that: described polishing stone flour is the useless stone powder slurry of processing marble or the generation of grouan polishing process, and by mass percentage, water ratio all is lower than 20%.
5. the inorganic artificial stone that has anion function is characterized in that it is made by each described preparation method of claim 1-4; This ion with inorganic artificial stone of anion function is released to 510/cm
3～1050/cm
3, dry flexural strength is 18MPa～20MPa, coefficient of softening was 0.86～0.90 in 28 days; Mohs' hardness is 4～5; Water-intake rate is 0.19～0.24; The inorganic artificial stone mirror luster degree with anion function of polishing is 65.8GS～70.2GS.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106082933A (en) * | 2016-06-12 | 2016-11-09 | 安徽广燕新材料科技有限责任公司 | A kind of preparation method of environmental protection artificial stone |
| CN106082934A (en) * | 2016-06-12 | 2016-11-09 | 安徽广燕新材料科技有限责任公司 | A kind of preparation method of the artificial stone with anion function |
| CN108249883A (en) * | 2017-08-24 | 2018-07-06 | 王冬月 | A kind of board for distributing negative oxygen ion and far infrared |
| CN108383423A (en) * | 2018-03-09 | 2018-08-10 | 福建省南安市飞力岗石有限公司 | A kind of artificial stone and its production method capable of releasing negative ion |
| CN108558349A (en) * | 2018-05-25 | 2018-09-21 | 苗霞明 | A kind of preparation method of negative ion type function artificial stone |
| CN108863234A (en) * | 2018-07-27 | 2018-11-23 | 东莞环球经典新型材料有限公司 | A kind of negative ion far-infrared inorganic artificial stone slab and preparation method thereof |
| CN109111195A (en) * | 2018-06-26 | 2019-01-01 | 江苏新亿源环保科技有限公司 | A kind of preparation method of negative ion type function artificial stone |
| CN109267686A (en) * | 2017-07-18 | 2019-01-25 | 上海前引科技有限公司 | A kind of fireproof mould-proof antibacterial anionic furred ceiling |
| CN109956704A (en) * | 2019-04-12 | 2019-07-02 | 广东中旗新材料股份有限公司 | A kind of layering generates the quartz and preparation method of anion |
| CN112424140A (en) * | 2017-11-07 | 2021-02-26 | 米泰克控股公司 | Ultra-stable cement-based material formulation, method of making same, and ultra-stable tile backer board formulation and method of making same |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106082933A (en) * | 2016-06-12 | 2016-11-09 | 安徽广燕新材料科技有限责任公司 | A kind of preparation method of environmental protection artificial stone |
| CN106082934A (en) * | 2016-06-12 | 2016-11-09 | 安徽广燕新材料科技有限责任公司 | A kind of preparation method of the artificial stone with anion function |
| CN109267686A (en) * | 2017-07-18 | 2019-01-25 | 上海前引科技有限公司 | A kind of fireproof mould-proof antibacterial anionic furred ceiling |
| CN108249883A (en) * | 2017-08-24 | 2018-07-06 | 王冬月 | A kind of board for distributing negative oxygen ion and far infrared |
| CN112424140A (en) * | 2017-11-07 | 2021-02-26 | 米泰克控股公司 | Ultra-stable cement-based material formulation, method of making same, and ultra-stable tile backer board formulation and method of making same |
| CN112424140B (en) * | 2017-11-07 | 2022-12-30 | 米泰克控股公司 | Ultra-stable cement-based material formulation, method of making same, and ultra-stable tile backer board formulation and method of making same |
| CN108383423A (en) * | 2018-03-09 | 2018-08-10 | 福建省南安市飞力岗石有限公司 | A kind of artificial stone and its production method capable of releasing negative ion |
| CN108558349A (en) * | 2018-05-25 | 2018-09-21 | 苗霞明 | A kind of preparation method of negative ion type function artificial stone |
| CN109111195A (en) * | 2018-06-26 | 2019-01-01 | 江苏新亿源环保科技有限公司 | A kind of preparation method of negative ion type function artificial stone |
| CN108863234A (en) * | 2018-07-27 | 2018-11-23 | 东莞环球经典新型材料有限公司 | A kind of negative ion far-infrared inorganic artificial stone slab and preparation method thereof |
| CN109956704A (en) * | 2019-04-12 | 2019-07-02 | 广东中旗新材料股份有限公司 | A kind of layering generates the quartz and preparation method of anion |
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Application publication date: 20130807 |