CN103570333B - Ultra-thin vermiculite-based fire-proof plate and preparation method thereof - Google Patents
Ultra-thin vermiculite-based fire-proof plate and preparation method thereof Download PDFInfo
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- CN103570333B CN103570333B CN201310516060.4A CN201310516060A CN103570333B CN 103570333 B CN103570333 B CN 103570333B CN 201310516060 A CN201310516060 A CN 201310516060A CN 103570333 B CN103570333 B CN 103570333B
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Abstract
The invention relates to a method for preparing an inorganic structural material, and particularly relates to an ultra-thin vermiculite-based fire-proof plate and a preparation method thereof, belonging to the crossing field of fire science and building and ornament materials. The ultra-thin vermiculite-based fire-proof plate is prepared from magnesium oxide, magnesium chloride, magnesium sulfate, water, fiberglass mesh, fiber glass filament, aluminium dihydrogen phosphate, trisodium phosphate, vermiculite powder, and coal ash. According to the fire-proof plate and the preparation method thereof, free magnesium chloride is the root cause to generate water drops on the vermiculite-based fire-proof plate, and by regulating the formula of magnesium oxide and magnesium chloride, and adding magnesium sulfate and coal ash, the prepared vermiculite-based fire-proof plate is smooth, does not warp and deform, and avoids generating water drops.
Description
Technical field
The present invention relates to a kind of inorganic structure materials processing preparation method, be specifically related to a kind of ultrathin vermiculite base PLASTIC LAMINATED and preparation method thereof, belong to fiery science and building and ornament materials crossing domain.
Background technology
Ultrathin PLASTIC LAMINATED can be done for wooden packing at packaging industry, can replace asbestos tile at building material industry, klining watt, terra-cotta, or makes building materials component and replace some silicate cement mud product etc.China's annual packaging timber consumption is 5,000,000 m
3, use ultrathin PLASTIC LAMINATED to pack, more than 20 ten thousand m can be saved every year
3.This, concerning the country that the such forest reserves of China lack, develops and adopts a large amount of substitute materials for wood to be have economic implications very much.In building materials, ultrathin PLASTIC LAMINATED can replace other building material product for aspects such as building materials component, furniture, finishing material, and ultrathin PLASTIC LAMINATED is a kind of building material product of high-quality less energy-consumption.But ultrathin PLASTIC LAMINATED poor water resistance inherently, buckling deformation, this material of they affect promoting the use of in practice of returning halogen.
In patent " glass magnesium plate and preparation method thereof " (201110163454.7), the filler of interpolation is wood chip.A lot of producer generally can add wood chip in order to cost-saving, and wood chip is also modal a kind of filler.In the sheet material taking wood chip as filler, because wood chip belongs to combustiblesubstance, although when wood chip content is lower, sheet material can not directly burn, but wood chip at high temperature can be oxidized and produce carbon monoxide, carbonic acid gas and water, and destructive distillation wood chip can produce the objectionable impuritiess such as charcoal, volatile organic matter, smog.
In patent " a kind of glass magnesium plate " (200910111622.0), the filler added is made up of component A and B component, wherein component A is one in carpenter's powder, stalk, rice husk, bamboo fibers etc. or its combination, and B component is one in perlite, granular polystyrene, coal gangue, vermiculite etc. or its combination.Carpenter's powder, stalk, rice husk, bamboo fibers are all combustiblesubstances, and perlite, granular polystyrene at high temperature can produce objectionable impurities, should avoid using.
The present invention prepares ultrathin fire-proof board with vermiculite power, and completely different with Patents, the latter contains organic materials, and the present invention is made up of inorganic materials entirely, not containing any oxidable material with burning, if meet high temperature or naked light, smog and other organic poison can not be produced.Therefore flameproof effect will be better, it will be more safe and reliable for using.By adding other raw materials and adjustment formula, the ultrathin vermiculite base PLASTIC LAMINATED intensity prepared is higher, and performance is more superior.
Summary of the invention
The object of the invention is, in order to solve existing PLASTIC LAMINATED poor water resistance inherently, buckling deformation, return the shortcoming of halogen, to be unsuitable for the problem promoted the use of in practice, a kind of ultrathin vermiculite base PLASTIC LAMINATED and preparation method thereof is provided.The method obtains that PLASTIC LAMINATED nonhygroscopicly returns halogen (without the globule, without getting damp), not buckling deformation, water-tolerant (bulking factor is 0.1%), fire resistance reach A1 level.
The object of the invention is to be achieved through the following technical solutions.
A kind of ultrathin vermiculite base PLASTIC LAMINATED, is made up of magnesium oxide, magnesium chloride, magnesium sulfate, water, fiberglass gridding cloth, glass fiber, aluminium dihydrogen phosphate, tertiary sodium phosphate, vermiculite power and flyash;
The mass ratio of each component is: 25% ~ 35% magnesium oxide, 10% ~ 20% magnesium chloride, 3% ~ 8% magnesium sulfate, 30% ~ 40% water, 0.05% ~ 0.1% glass fiber, 2% ~ 3% aluminium dihydrogen phosphate, 3% ~ 5% tertiary sodium phosphate, 10% ~ 15% vermiculite power and 5% ~ 7% flyash.
A preparation method for ultrathin vermiculite base PLASTIC LAMINATED, concrete steps are as follows:
Step one,
Magnesium oxide, magnesium chloride, magnesium sulfate is soluble in water, and four carry out reaction forms crystal phase, and this crystal comprises mutually: 5Mg (OH)
2mgCl
28H
2o, 3Mg (OH)
2mgCl
28H
2o and 5Mg (OH)
2mgSO
43H
2o, their mutual cross-lappings become the heterogeneous porous network structure of felt shape, produce higher physical strength.Along with the sclerosis of structure, the hole in vermiculite base PLASTIC LAMINATED net rack shaped structure is constantly filled closely knit by reaction product, its intensity constantly increases, and stirs and obtains slurry A;
Step 2,
Aluminium dihydrogen phosphate, tertiary sodium phosphate, vermiculite power and flyash are mixed, then joins in the obtained slurry A of step one, obtain slurry B;
Step 3,
In the slurry B that step 2 is obtained, add glass fiber fully stir, glass fiber is uniformly dispersed in the slurry;
Step 4,
Slurry step 3 prepared and fiberglass gridding cloth are through machine roll-in, and maintenance, obtains vermiculite base PLASTIC LAMINATED.
Beneficial effect
1, one of the present invention ultrathin vermiculite base PLASTIC LAMINATED, employing vermiculite power is base-material, vermiculite power is a kind of lightweight, the multifunctional novel shaped material that vermiculite granule is formed through expansion, has that apparent density is little, thermal conductivity is low, chemical stability is good, high temperature resistant, nontoxic, sound absorption.Containing active SiO in flyash
2and Al
2o
3, be conducive to improving water resisting property.Active A 1
2o
3-SiO
2class material has potential alkali-activated carbonatite active, can use alkali-activated carbonatite aluminium-silicate reaction, and generate water resisting property and the good gelling material of chemical stability, they can also play skeleton and suppress to be out of shape in vermiculite base PLASTIC LAMINATED;
In the preparation method of 2, a kind of ultrathin vermiculite base PLASTIC LAMINATED of the present invention, free magnesium chloride is the basic reason causing vermiculite base PLASTIC LAMINATED to return halogen, by adjusting the formula of magnesium oxide and magnesium chloride, and add magnesium sulfate and flyash, make the vermiculite base PLASTIC LAMINATED of preparation smooth, can not buckling deformation, and inhibit and return halogen phenomenon;
Aluminium dihydrogen phosphate, as the binding agent of inorganic fire proof material, can improve the intensity of vermiculite base PLASTIC LAMINATED self.The insoluble precipitate that in aluminium dihydrogen phosphate and tertiary sodium phosphate, phosphate anion generates is wrapped in hydrate crystal grain surface, has completely cut off the effect of water to vermiculite base PLASTIC LAMINATED, has enhanced the water tolerance of vermiculite base PLASTIC LAMINATED, alleviated and return halogen phenomenon;
In the preparation method of 3, a kind of ultrathin vermiculite base PLASTIC LAMINATED of the present invention, fiberglass gridding cloth and glass fiber intensity high, lightweight, the toughness of vermiculite base PLASTIC LAMINATED, bending strength and resistance to impact shock can be improved;
4, one of the present invention ultrathin vermiculite base PLASTIC LAMINATED, thickness can be controlled between 3mm ~ 6mm, and have fire prevention, waterproof, tasteless, nontoxic, do not freeze, be stale-proof, do not split, constant, do not fire, high-strength light weight, flexible, easy construction, the advantage such as long service life;
5, one of the present invention ultrathin vermiculite base PLASTIC LAMINATED, this vermiculite base PLASTIC LAMINATED can be used as wallboard, ceiling board, PLASTIC LAMINATED, water board, the uses such as tr, wooden plywood can be replaced to do dado, luffer boards, door-plate, the upholstery apparatus such as furniture, also can be processed into various types of plate face as required, can be used for vault simultaneously, the engineering of the wet environment such as people's air defense and mine, can also with multiple lagging material compound, make composite insulating board.
Embodiment:
Embodiment 1
1, prepare burden
First 6.0kg magnesium oxide, 4.5kg magnesium chloride, 0.5kg magnesium sulfate, 11.0kg water, 0.7kg aluminium dihydrogen phosphate, 1.0kg tertiary sodium phosphate, 3.0kg vermiculite power, 0.15kg flyash and 30g glass fiber is taken for subsequent use.
In magnesium oxide, the content of activated magnesia is 70%; Fiberglass gridding cloth is alkali free glass fibre grid cloth, mesh size 4mm × 4mm; Glass fiber is alkali-resistant glass fiber silk, filament diameter 10 ~ 20 μm; The particle diameter of vermiculite power is between 0.1 ~ 1mm.
2, vermiculite base PLASTIC LAMINATED is prepared
Raw material is stirred, forms slurry, for subsequent use.Prepare vermiculite base PLASTIC LAMINATED to carry out on two roller driving roll press device, two roller is up and down regulated to make it parallel, first mould is kept flat on travelling belt, even brush one deck releasing agent on mould, layer of glass grid cloth is first spread at mold bottom, open machine, slip is constantly added between two roller, slurry is squeezed and falls within fiberglass gridding cloth, mould is constantly pushed ahead under travelling belt effect, on slurry, repave layer of glass grid cloth simultaneously, and carry out secondary roll-in, after filling up mould to slurry, prescind unnecessary fiberglass gridding cloth.
3, maintenance
Under mold temperature 10 ~ 35 DEG C of conditions, system temperature of reaction is no more than 70 DEG C, maintenance 3 ~ 5d when keeping self hydration heat and hydrofuge after the demoulding.
4, cut
Cut by required specification by model, be placed on by the sheet material of well cutting and shine on grillage, naturally dry, obtain finished product vermiculite base PLASTIC LAMINATED, performance is as table 1.
The performance index that table 1 vermiculite base PLASTIC LAMINATED reaches
Embodiment 2
1, prepare burden
First 6.2kg magnesium oxide, 4.3kg magnesium chloride, 0.8kg magnesium sulfate, 11.5kg water, 0.9kg aluminium dihydrogen phosphate, 1.0kg tertiary sodium phosphate, 3.3kg vermiculite power, 0.15kg flyash and 35g glass fiber is taken for subsequent use.
In magnesium oxide, the content of activated magnesia is 70%; Fiberglass gridding cloth is alkali free glass fibre grid cloth, mesh size 4mm × 4mm; Glass fiber is alkali-resistant glass fiber silk, filament diameter 10 ~ 20 μm; The particle diameter of vermiculite power is between 0.1 ~ 1mm.
2, vermiculite base PLASTIC LAMINATED is prepared
Raw material is stirred, forms slurry, for subsequent use.Prepare vermiculite base PLASTIC LAMINATED to carry out on two roller driving roll press device, two roller is up and down regulated to make it parallel, first mould is kept flat on travelling belt, even brush one deck releasing agent on mould, layer of glass grid cloth is first spread at mold bottom, open machine, slip is constantly added between two roller, slurry is squeezed and falls within fiberglass gridding cloth, mould is constantly pushed ahead under travelling belt effect, on slurry, repave layer of glass grid cloth simultaneously, and carry out secondary roll-in, after filling up mould to slurry, prescind unnecessary fiberglass gridding cloth.
3, maintenance
Under mold temperature 10 ~ 35 DEG C of conditions, system temperature of reaction is no more than 70 DEG C, maintenance 3 ~ 5d when keeping self hydration heat and hydrofuge after the demoulding.
4, cut
Cut by required specification by model, be placed on by the sheet material of well cutting and shine on grillage, naturally dry, obtain finished product vermiculite base PLASTIC LAMINATED, performance is as table 2.
The performance index that table 2 vermiculite base PLASTIC LAMINATED reaches
Embodiment 3
1, prepare burden
First 6.3kg magnesium oxide, 4.1kg magnesium chloride, 1.1kg magnesium sulfate, 11.3kg water, 0.7kg aluminium dihydrogen phosphate, 1.0kg tertiary sodium phosphate, 3.0kg vermiculite power, 0.15kg flyash and 35g glass fiber is taken for subsequent use.
In magnesium oxide, the content of activated magnesia is 70%; Fiberglass gridding cloth is alkali free glass fibre grid cloth, mesh size 4mm × 4mm; Glass fiber is alkali-resistant glass fiber silk, filament diameter 10 ~ 20 μm; The particle diameter of vermiculite power is between 0.1 ~ 1mm.
2, vermiculite base PLASTIC LAMINATED is prepared
Raw material is stirred, forms slurry, for subsequent use.Prepare vermiculite base PLASTIC LAMINATED to carry out on two roller driving roll press device, two roller is up and down regulated to make it parallel, first mould is kept flat on travelling belt, even brush one deck releasing agent on mould, layer of glass grid cloth is first spread at mold bottom, open machine, slip is constantly added between two roller, slurry is squeezed and falls within fiberglass gridding cloth, mould is constantly pushed ahead under travelling belt effect, on slurry, repave layer of glass grid cloth simultaneously, and carry out secondary roll-in, after filling up mould to slurry, prescind unnecessary fiberglass gridding cloth.
3, maintenance
Under mold temperature 10 ~ 35 DEG C of conditions, system temperature of reaction is no more than 70 DEG C, maintenance 3 ~ 5d when keeping self hydration heat and hydrofuge after the demoulding.
4, cut
Cut by required specification by model, be placed on by the sheet material of well cutting and shine on grillage, naturally dry, obtain finished product vermiculite base PLASTIC LAMINATED, performance is as table 3.
The performance index that table 3 vermiculite base PLASTIC LAMINATED reaches
Embodiment 4
1, prepare burden
First 6.3kg magnesium oxide, 4.0kg magnesium chloride, 1.1kg magnesium sulfate, 11.5kg water, 1.0kg aluminium dihydrogen phosphate, 1.0kg tertiary sodium phosphate, 3.0kg vermiculite power, 0.20kg flyash and 40g glass fiber is taken for subsequent use.
In magnesium oxide, the content of activated magnesia is 70%; Fiberglass gridding cloth is alkali free glass fibre grid cloth, mesh size 4mm × 4mm; Glass fiber is alkali-resistant glass fiber silk, filament diameter 10 ~ 20 μm; The particle diameter of vermiculite power is between 0.1 ~ 1mm.
2, vermiculite base PLASTIC LAMINATED is prepared
Raw material is stirred, forms slurry, for subsequent use.Prepare vermiculite base PLASTIC LAMINATED to carry out on two roller driving roll press device, two roller is up and down regulated to make it parallel, first mould is kept flat on travelling belt, even brush one deck releasing agent on mould, layer of glass grid cloth is first spread at mold bottom, open machine, slip is constantly added between two roller, slurry is squeezed and falls within fiberglass gridding cloth, mould is constantly pushed ahead under travelling belt effect, on slurry, repave layer of glass grid cloth simultaneously, and carry out secondary roll-in, after filling up mould to slurry, prescind unnecessary fiberglass gridding cloth.
3, maintenance
Under mold temperature 10 ~ 35 DEG C of conditions, system temperature of reaction is no more than 70 DEG C, maintenance 3 ~ 5d when keeping self hydration heat and hydrofuge after the demoulding.
4, cut
Cut by required specification by model, be placed on by the sheet material of well cutting and shine on grillage, naturally dry, obtain finished product vermiculite base PLASTIC LAMINATED, performance is as table 4.
The performance index that table 4 vermiculite base PLASTIC LAMINATED reaches
Embodiment 5
1, prepare burden
First 6.4kg magnesium oxide, 4.2kg magnesium chloride, 1.1kg magnesium sulfate, 12.0kg water, 1.0kg aluminium dihydrogen phosphate, 1.0kg tertiary sodium phosphate, 3.5kg vermiculite power, 0.20kg flyash and 45g glass fiber is taken for subsequent use.
In magnesium oxide, the content of activated magnesia is 70%; Fiberglass gridding cloth is alkali free glass fibre grid cloth, mesh size 4mm × 4mm; Glass fiber is alkali-resistant glass fiber silk, filament diameter 10 ~ 20 μm; The particle diameter of vermiculite power is between 0.1 ~ 1mm.
2, vermiculite base PLASTIC LAMINATED is prepared
Raw material is stirred, forms slurry, for subsequent use.Prepare vermiculite base PLASTIC LAMINATED to carry out on two roller driving roll press device, two roller is up and down regulated to make it parallel, first mould is kept flat on travelling belt, even brush one deck releasing agent on mould, layer of glass grid cloth is first spread at mold bottom, open machine, slip is constantly added between two roller, slurry is squeezed and falls within fiberglass gridding cloth, mould is constantly pushed ahead under travelling belt effect, on slurry, repave layer of glass grid cloth simultaneously, and carry out secondary roll-in, after filling up mould to slurry, prescind unnecessary fiberglass gridding cloth.
3, maintenance
Under mold temperature 10 ~ 35 DEG C of conditions, system temperature of reaction is no more than 70 DEG C, maintenance 3 ~ 5d when keeping self hydration heat and hydrofuge after the demoulding.
4, cut
Cut by required specification by model, be placed on by the sheet material of well cutting and shine on grillage, naturally dry, obtain finished product vermiculite base PLASTIC LAMINATED, performance is as table 5.
The performance index that table 5 vermiculite base PLASTIC LAMINATED reaches
Ultrathin vermiculite base PLASTIC LAMINATED prepared by the present invention can directly be sprayed paint, veneer.Composite insulating board can also be made with multiple lagging material compound.Can be used as the uses such as wallboard, ceiling board, PLASTIC LAMINATED, water board, tr.Can be used for the places such as side top boards of high-speed train, middle top board, framed side wallboard, effectively improve the fire resistance property of train, weight loss effect is good.
Above-described embodiment is only be described the preferred embodiment of the present invention; but design concept of the present invention is not limited thereto; the unsubstantiality that those skilled in the art make technical scheme of the present invention improves, and all should fall in protection domain that claims of the present invention determines.
Claims (2)
1. a ultrathin vermiculite base PLASTIC LAMINATED, is characterized in that: be made up of magnesium oxide, magnesium chloride, magnesium sulfate, water, fiberglass gridding cloth, glass fiber, aluminium dihydrogen phosphate, tertiary sodium phosphate, vermiculite power and flyash; The mass ratio of each component is: 25% ~ 35% magnesium oxide, 10% ~ 20% magnesium chloride, 3% ~ 8% magnesium sulfate, 30% ~ 40% water, 0.05% ~ 0.1% glass fiber, 2% ~ 3% aluminium dihydrogen phosphate, 3% ~ 5% tertiary sodium phosphate, 10% ~ 15% vermiculite power and 5% ~ 7% flyash, the thickness of described PLASTIC LAMINATED is between 3-6mm.
2. a preparation method for ultrathin vermiculite base PLASTIC LAMINATED as claimed in claim 1, is characterized in that: concrete steps are as follows:
Step one,
Magnesium oxide, magnesium chloride, magnesium sulfate is soluble in water, and four carry out reaction forms crystal phase, and this crystal comprises mutually: 5Mg (OH)
2mgCl
28H
2o, 3Mg (OH)
2mgCl
28H
2o and 5Mg (OH)
2mgSO
43H
2o, their mutual cross-lappings become the heterogeneous porous network structure of felt shape, produce higher physical strength; Along with the sclerosis of structure, the hole in vermiculite base PLASTIC LAMINATED net rack shaped structure is constantly filled closely knit by reaction product, its intensity constantly increases, and stirs and obtains slurry A;
Step 2,
Aluminium dihydrogen phosphate, tertiary sodium phosphate, vermiculite power and flyash are mixed, then joins in the obtained slurry A of step one, obtain slurry B;
Step 3,
In the slurry B that step 2 is obtained, add glass fiber fully stir, glass fiber is uniformly dispersed in the slurry;
Step 4,
Slurry step 3 prepared and fiberglass gridding cloth are through machine roll-in, and maintenance, obtains vermiculite base PLASTIC LAMINATED.
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|---|---|---|---|
| CN201310516060.4A CN103570333B (en) | 2013-10-28 | 2013-10-28 | Ultra-thin vermiculite-based fire-proof plate and preparation method thereof |
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| CN103570333B true CN103570333B (en) | 2015-05-06 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105712693A (en) * | 2014-12-03 | 2016-06-29 | 刘焱才 | Solid color decorative plate and production technology thereof |
| CN105672601A (en) * | 2016-01-22 | 2016-06-15 | 卓达新材料科技集团有限公司 | Insulation composite decorative board |
| CN108203291A (en) * | 2016-12-16 | 2018-06-26 | 张柏成 | Vermiculite ecological fireproof board and its manufacture craft |
| CN106747142A (en) * | 2016-12-19 | 2017-05-31 | 芜湖浩权建筑工程有限公司 | A kind of PLASTIC LAMINATED of high-strength high temperature-resistant and preparation method thereof |
| CN107283944A (en) * | 2017-06-20 | 2017-10-24 | 合肥慧林建材有限公司 | A kind of fire-retardant glass magnesium board and its production technology |
| CN114436567A (en) * | 2020-11-02 | 2022-05-06 | 福建省德锐新材有限公司 | Multi-material mixing preparation process for high-temperature-resistant organic board |
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| CN1302779A (en) * | 2001-01-23 | 2001-07-11 | 董月 | Building decoration material and preparation method thereof |
| CN102701707A (en) * | 2012-05-28 | 2012-10-03 | 吴世苏 | Fireproof environment-friendly wallboard with light weight and high strength and manufacturing method thereof |
| CN102951892A (en) * | 2012-11-20 | 2013-03-06 | 熊德桂 | Glass magnesium fire-proof decorative board and preparation method thereof |
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- 2013-10-28 CN CN201310516060.4A patent/CN103570333B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1103696A (en) * | 1994-06-21 | 1995-06-14 | 陈诚 | Multi-functional indoor ceiling and its producing method |
| CN1302779A (en) * | 2001-01-23 | 2001-07-11 | 董月 | Building decoration material and preparation method thereof |
| CN102701707A (en) * | 2012-05-28 | 2012-10-03 | 吴世苏 | Fireproof environment-friendly wallboard with light weight and high strength and manufacturing method thereof |
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