CN101492279A - Light inorganic heat insulation central layer for magnesium cement thermal insulation external wall panel and method of processing the same - Google Patents
Light inorganic heat insulation central layer for magnesium cement thermal insulation external wall panel and method of processing the same Download PDFInfo
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- CN101492279A CN101492279A CNA2009100677779A CN200910067777A CN101492279A CN 101492279 A CN101492279 A CN 101492279A CN A2009100677779 A CNA2009100677779 A CN A2009100677779A CN 200910067777 A CN200910067777 A CN 200910067777A CN 101492279 A CN101492279 A CN 101492279A
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- light
- magnesium
- magnesium chloride
- core plate
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/30—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing magnesium cements or similar cements
- C04B28/32—Magnesium oxychloride cements, e.g. Sorel cement
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Building Environments (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides a light inorganic heat-insulation core plate for magnesium cement external wallboards, and a processing method thereof. The heat-insulation core plate is a mixture consisting of the following components: magnesium chloride aqueous solution, light magnesium oxide, fly ash, short-cut vinylon engineering fiber, and animal protein foam of which the volume is 4.2 to 5.6 times the sum of the volume of the light magnesium oxide, the fly ash and the short-cut vinylon engineering fiber. The processing method comprises the steps of preparing the magnesium chloride aqueous solution mixed with the engineering fiber, preparing a magnesium oxychloride cement sizing agent, preparing a mixed sizing agent of the magnesium oxychloride cement sizing agent and the fly ash, preparing the animal protein foam, preparing a foamed mixed sizing agent, manufacturing plates, naturally maintaining the plates for 6 to 10 hours, demoulding and continuing to maintain the plates for 15 to 20 days. The core plate can completely replace various foam plastic heat-insulation plates which are inflammable and cause pollution, and has the outstanding advantages of high strength, long life span, low cost, simple production process, no breakage during transportation and service, good hydrophobicity, incombustibility and no toxic gas emission in case of fire.
Description
Technical field
The invention belongs to heat insulating sheet material, particularly relate to a kind of light-weight inorganic heat-insulation core plate and working method thereof of magnesium cement Side fascia.
Background technology
With flyash is the light-duty batten of foaming magnesium cement of properties-correcting agent, is a kind of sheet material that fields such as building and decoration are widely used in the non-bearing purpose.Along with the development of energy-saving building technology, the above-mentioned sheet material that heat-insulation core plate is set also is used to the thermal insulation external wall panel of Lightgage Steel Joist low-rise building.
The selected material of heat-insulation core plate of existing thermal insulation external wall panel is molding or extrusion molding polystyrol plastic foam plate, polyurethane plastic foamboard or phenolic foamed plastics plate, though described plastic plate has thermal and insulating performance preferably, but there is known inflammable, essence defective that pollution is arranged, do not meet Building Fire Protection and environmental requirement.If select the described plastic plate with flame-retarding characteristic for use, higher use cost makes it not have the application possibility on the one hand, and fire-retardant on the other hand pole temperature does not still meet the Building Fire Protection requirement.
The patent of invention of notification number CN1093584 " inorganic thermal insulation sound-proof fire-proof foam material and production method thereof " discloses following technical scheme: be made of inorganic coagulation material, filler, blender, foaming agent, additive and strongthener, it is characterized in that wherein inorganic coagulation material, filler, blender, foaming agent are respectively magnesium oxide 20-80 by its parts by weight, flyash 80-20, magnesium chloride solution 50-80, whipping agent 0.5-2.Additive is fireproofing agent and water-resisting agent, and strongthener is paper, glass fibre, steel wire and woven wire.Major advantage is the cheap and easy to get and utilization of waste material of starting material, can be used as insulation and PLASTIC LAMINATED, piece in building and other industry, also can be used as light cellular partition board, decorative board for wall and sound-absorbing material.
Learn through experiment, the foaming agent of technique scheme is under agitation to generate foam, foam volume is few and breakage rate is higher, so the higher and surperficial collapse phenomenon of finished product unit weight is more general, so technique scheme is not suitable for the processing of light-weight inorganic heat-insulation core plate.
Summary of the invention
The objective of the invention is the technical problem inflammable for the plastics heat-insulation core plate that solves existing thermal insulation external wall panel, that pollution is arranged, and disclose the light-weight inorganic heat-insulation core plate and the working method thereof of the magnesium cement Side fascia that a kind of unit weight is low, the insulated fire performance is good, intensity is high.
Light-weight inorganic heat-insulation core plate of the present invention is made up of the mixture of following weight part or each component of volume ratio: concentration is the magnesium chloride brine 90-110 of degree Beaume 25-30 ° of B é, light magnesium oxide 110-80, flyash 22-40, the short polyvinyl technical fiber 0.1-0.6 that cuts, volume are described magnesium chloride brine, light magnesium oxide, flyash and short polyvinyl technical fiber volume and the 4.2-5.6 animal protein foam doubly of cutting.
The purity 99% of described magnesium chloride.
Described light magnesium oxide is the light-magnesite powder of purity 80-90%, fineness 180-350 order, activeconstituents 60-70%.
Described weak point is cut polyvinyl technical fiber length 5-15mm.
Its working method of light-weight inorganic heat-insulation core plate of the present invention is made up of following steps:
1, preparation concentration is the magnesium chloride brine of degree Beaume 25-30 ° of B é;
2, preparation mixes the magnesium chloride brine of technical fiber: add weak point and cut the polyvinyl technical fiber in magnesium chloride brine, be stirred to uniform mixing;
3, preparation chloro-magnesium cement slurry: the magnesium chloride brine and the light magnesium oxide that will mix technical fiber are stirred to uniform mixing;
4, preparation mixed slurry: in the chloro-magnesium cement slurry, add flyash and be stirred to uniform mixing;
5, preparation animal protein foam: animal protein foaming agent adds 12-20 water dilution doubly, makes foam by the high pressure gas foaming machine;
6, preparation foaming mixed slurry: in mixed slurry, add the animal protein foam that is equivalent to mixed slurry volume 4.2-5.6 times and be stirred to uniform mixing;
7, making sheet: in the central layer mould, pour into the foaming mixed slurry behind the tiling fiberglass gridding cloth, at the shallow top layer tiling of foaming mixed slurry fiberglass gridding cloth, the demoulding after natural curing 6-10 hour under the condition of 25-40 ℃ of chamber Inner temperature, relative air humidity 30-65% continues maintenance 15-20 days under the condition of 25-40 ℃ of chamber Inner temperature, relative air humidity 30-65% after the demoulding.
Beneficial effect of the present invention and advantage are: this light-weight inorganic heat-insulation core plate uses non-combustible inorganic magnesia oxychloride cement to lack cut journey fiber as linking material as tackiness agent, use flyash as lightweight filler, use, particularly importantly use animal protein foam as foam material, foam volume is abundant and breakage rate is extremely low, makes that finished product unit weight is low and surperficially do not have a collapse phenomenon.Show that after tested this central layer unit weight can reach 300kg/m
3Below, ultimate compression strength 〉=0.8Mpa, water-intake rate≤12v/v%, thermal conductivity 0.055-0.084W/m.k, drying shrinkage≤0.6mm/m, the air-borne sound oise insulation factor reaches 40 decibels, and meets the ZA1 level requirement of stipulating in the A1 level fire-protection standard stipulated in the national GB8624-2006 standard and the national GB/T20285-2006 material producing smoke toxicity risk grade scale.Experimental results show that, this central layer can substitute fully various foam plastic heat-insulating boards inflammable, that pollution is arranged, have intensity height, long service life, cost is low, production technique is simple, transportation and use does not have breakage, hydrophobicity performance is good and do not fire, meet the outstanding advantage that fiery no poison gas discharges.
Embodiment
Embodiment 1:
Step 1, preparation concentration is the magnesium chloride brine of 25 ° of B é of degree Beaume: the lightweight dry oxidation magnesium of getting purity 99% is dissolved in suitable quantity of water fully, makes magnesium chloride brine 150kg through the test of ripple magnesium kilsyth basalt, and is standby.
Step 2, preparation mixes the magnesium chloride brine of technical fiber: get magnesium chloride brine 90kg, add weak point and cut polyvinyl technical fiber 0.1kg, be stirred to uniform mixing.The short polyvinyl technical fiber length range 5-15mm that cuts.
Step 3, preparation chloro-magnesium cement slurry: get light magnesium oxide 110kg mixes technical fiber with step 2 magnesium chloride brine uniform mixing.Light magnesium oxide is the light-magnesite powder of purity 80-90%, fineness 180-350 order, activeconstituents 60-70%.
Step 4, preparation mixed slurry: in the chloro-magnesium cement slurry, add flyash 22kg and be stirred to uniform mixing.
Step 5, preparation animal protein foam: animal protein foaming agent 3kg adds 12 times water dilution, makes foam by the high pressure gas foaming machine.
Step 6, preparation foaming mixed slurry: in mixed slurry, add the animal protein foam that is equivalent to 4.2 times of mixed slurry volumes and be stirred to uniform mixing.
Step 7, making sheet: in the central layer mould, pour into step 6 foaming mixed slurry behind the tiling fiberglass gridding cloth, at the shallow top layer tiling of foaming mixed slurry fiberglass gridding cloth, natural curing demoulding after 6 hours under the condition of 25-40 ℃ of chamber Inner temperature, relative air humidity 30-65% continues maintenance 15-20 days under the condition of 25-40 ℃ of chamber Inner temperature, relative air humidity 30-65% after the demoulding.
290 kilograms/cube of the light-weight inorganic heat-insulation core plate unit weights of embodiment 1, ultimate compression strength 〉=0.8Mpa, fire prevention A1 grade standard, thermal conductivity 0.065W/m
2K, drying shrinkage 0.5mm/m.
Embodiment 2:
Step 1, preparation concentration is the magnesium chloride brine of 30 ° of B é of degree Beaume: the lightweight dry oxidation magnesium of getting purity 99% is dissolved in suitable quantity of water fully, makes magnesium chloride brine 150kg through the test of ripple magnesium kilsyth basalt, and is standby.
Step 2, preparation mixes the magnesium chloride brine of technical fiber: get magnesium chloride brine 100kg, add weak point and cut polyvinyl technical fiber 0.4kg, be stirred to uniform mixing.The short polyvinyl technical fiber length range 5-15mm that cuts.
Step 3, preparation chloro-magnesium cement slurry: get light magnesium oxide 100kg mixes technical fiber with step 2 magnesium chloride brine uniform mixing.Light magnesium oxide is the light-magnesite powder of purity 80-90%, fineness 180-350 order, activeconstituents 60-70%.
Step 4, preparation mixed slurry: in the chloro-magnesium cement slurry, add flyash 30kg and be stirred to uniform mixing.
Step 5, the preparation animal protein foam: animal protein foaming agent 3kg adds 15 times water dilution, makes foam by the high pressure gas foaming machine.
Step 6, preparation foaming mixed slurry: in mixed slurry, add the animal protein foam that is equivalent to 5 times of mixed slurry volumes and be stirred to uniform mixing.
Step 7, making sheet: in the central layer mould, pour into step 6 foaming mixed slurry behind the tiling fiberglass gridding cloth, at the shallow top layer tiling of foaming mixed slurry fiberglass gridding cloth, natural curing demoulding after 8 hours under the condition of 25-40 ℃ of chamber Inner temperature, relative air humidity 30-65% continues maintenance 15-20 days under the condition of 25-40 ℃ of chamber Inner temperature, relative air humidity 30-65% after the demoulding.
280 kilograms/cube of the light-weight inorganic heat-insulation core plate unit weights of embodiment 2, ultimate compression strength 〉=0.8Mpa, fire prevention A1 grade standard, thermal conductivity 0.065W/m
2K, drying shrinkage 0.6mm/m.
Embodiment 3:
Step 1, preparation concentration is the magnesium chloride brine of 30 ° of B é of degree Beaume: the lightweight dry oxidation magnesium of getting purity 99% is dissolved in suitable quantity of water fully, makes magnesium chloride brine 150kg through the test of ripple magnesium kilsyth basalt, and is standby.
Step 2, preparation mixes the magnesium chloride brine of technical fiber: get magnesium chloride brine 110kg, add weak point and cut polyvinyl technical fiber 0.6kg, be stirred to uniform mixing.The short polyvinyl technical fiber length range 5-15mm that cuts.
Step 3, preparation chloro-magnesium cement slurry: get light magnesium oxide 80kg mixes technical fiber with step 2 magnesium chloride brine uniform mixing.Light magnesium oxide is the light-magnesite powder of purity 80-90%, fineness 180-350 order, activeconstituents 60-70%.
Step 4, preparation mixed slurry: in the chloro-magnesium cement slurry, add flyash 40kg and be stirred to uniform mixing.
Step 5, the preparation animal protein foam: animal protein foaming agent 3kg adds 20 times water dilution, makes foam by the high pressure gas foaming machine.
Step 6, preparation foaming mixed slurry: in mixed slurry, add the animal protein foam that is equivalent to 5.6 times of mixed slurry volumes and be stirred to uniform mixing.
Step 7, making sheet: in the central layer mould, pour into step 6 foaming mixed slurry behind the tiling fiberglass gridding cloth, at the shallow top layer tiling of foaming mixed slurry fiberglass gridding cloth, natural curing demoulding after 10 hours under the condition of 25-40 ℃ of chamber Inner temperature, relative air humidity 30-65% continues maintenance 15-20 days under the condition of 25-40 ℃ of chamber Inner temperature, relative air humidity 30-65% after the demoulding.
280 kilograms/cube of the light-weight inorganic heat-insulation core plate unit weights of embodiment 3, ultimate compression strength 〉=0.8Mpa, fire prevention A1 grade standard, thermal conductivity 0.065W/m2k, drying shrinkage 0.6mm/m.
Claims (5)
1, a kind of light-weight inorganic heat-insulation core plate, it is characterized in that being made up of the mixture of following weight part or each component of volume ratio: concentration is the magnesium chloride brine 90-110 of degree Beaume 25-30 ° of B é, light magnesium oxide 110-80, flyash 22-40, the short polyvinyl technical fiber 0.1-0.6 that cuts, volume are described magnesium chloride brine, light magnesium oxide, flyash and technical fiber volume and 4.2-5.6 animal protein foam doubly.
2, light-weight inorganic heat-insulation core plate according to claim 1 is characterized in that: the purity 99% of described magnesium chloride.
3, light-weight inorganic heat-insulation core plate according to claim 1 is characterized in that: described light magnesium oxide is the light-magnesite powder of purity 80-90%, fineness 180-350 order, activeconstituents 60-70%.
4, light-weight inorganic heat-insulation core plate according to claim 1 is characterized in that: described weak point is cut polyvinyl technical fiber length 5-15mm.
5, light-weight inorganic heat-insulation core plate according to claim 1 is characterized in that working method is made up of following steps:
1) preparation concentration is the magnesium chloride brine of degree Beaume 25-30 ° of B é;
2) preparation mixes the magnesium chloride brine of technical fiber: add weak point and cut the polyvinyl technical fiber in magnesium chloride brine, be stirred to uniform mixing:
3) preparation chloro-magnesium cement slurry: the magnesium chloride brine and the light magnesium oxide that will mix technical fiber are stirred to uniform mixing:
4) preparation mixed slurry: in the chloro-magnesium cement slurry, add flyash and be stirred to uniform mixing;
5) preparation animal protein foam: animal protein foaming agent adds 12-20 water dilution doubly, makes foam by the high pressure gas foaming machine;
6) preparation foaming mixed slurry: in mixed slurry, add the protein foam that is equivalent to mixed slurry volume 4.2-5.6 times and be stirred to uniform mixing:
7) making sheet: in the central layer mould, pour into the foaming mixed slurry behind the tiling fiberglass gridding cloth, at the shallow top layer tiling of foaming mixed slurry fiberglass gridding cloth, the demoulding after natural curing 6-10 hour under room temp 25-40 ℃, the condition of relative air humidity 30-65% continues maintenance 15-20 days after the demoulding under room temp 25-40 ℃, the condition of relative air humidity 30-65%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100677779A CN101492279A (en) | 2009-01-22 | 2009-01-22 | Light inorganic heat insulation central layer for magnesium cement thermal insulation external wall panel and method of processing the same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100677779A CN101492279A (en) | 2009-01-22 | 2009-01-22 | Light inorganic heat insulation central layer for magnesium cement thermal insulation external wall panel and method of processing the same |
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| CN101492279A true CN101492279A (en) | 2009-07-29 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102584168A (en) * | 2012-02-13 | 2012-07-18 | 李国才 | Low-density glass magnesium fire-proof board and preparation method |
| CN102744927A (en) * | 2012-07-10 | 2012-10-24 | 台山先驱建材有限公司 | Air entrained magnesium oxide board and manufacture process thereof |
| CN102826823A (en) * | 2011-06-17 | 2012-12-19 | 大庆华夏绿垣建材科技开发有限公司 | Production method of novel lightweight high-strength shock-resistant fireproofing inner wall board |
| CN102964110A (en) * | 2012-12-25 | 2013-03-13 | 山东建科特种建筑工程技术中心 | Water-resistant fireproof inorganic light-weight thermal-insulation foam board |
| CN103288489A (en) * | 2012-02-28 | 2013-09-11 | 济南市天桥区杰美菱镁建材研究所 | Hydrophobic magnesite foam board |
| CN103553546A (en) * | 2013-11-23 | 2014-02-05 | 烟台鲁明建材有限公司 | Fireproofing foam brick and production method thereof |
| US8911547B2 (en) | 2010-12-29 | 2014-12-16 | Compoclay Holdings Limited | Decorative products and the production methods therefor |
| CN104891940A (en) * | 2015-04-28 | 2015-09-09 | 佛山市天元汇邦装饰材料有限公司 | High-flame retardation moisture-resistant glass-magnesium board made from waste film paper pulp, and production method thereof |
| CN105837153A (en) * | 2016-03-28 | 2016-08-10 | 北京中晶环境科技股份有限公司 | Sulfur magnesium oxychloride foam cement exterior wall insulation board and preparation method thereof. |
-
2009
- 2009-01-22 CN CNA2009100677779A patent/CN101492279A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8911547B2 (en) | 2010-12-29 | 2014-12-16 | Compoclay Holdings Limited | Decorative products and the production methods therefor |
| CN102826823A (en) * | 2011-06-17 | 2012-12-19 | 大庆华夏绿垣建材科技开发有限公司 | Production method of novel lightweight high-strength shock-resistant fireproofing inner wall board |
| CN102584168A (en) * | 2012-02-13 | 2012-07-18 | 李国才 | Low-density glass magnesium fire-proof board and preparation method |
| CN103288489A (en) * | 2012-02-28 | 2013-09-11 | 济南市天桥区杰美菱镁建材研究所 | Hydrophobic magnesite foam board |
| CN102744927A (en) * | 2012-07-10 | 2012-10-24 | 台山先驱建材有限公司 | Air entrained magnesium oxide board and manufacture process thereof |
| CN102964110A (en) * | 2012-12-25 | 2013-03-13 | 山东建科特种建筑工程技术中心 | Water-resistant fireproof inorganic light-weight thermal-insulation foam board |
| CN102964110B (en) * | 2012-12-25 | 2014-09-03 | 山东建科特种建筑工程技术中心 | Water-resistant fireproof inorganic light-weight thermal-insulation foam board |
| CN103553546A (en) * | 2013-11-23 | 2014-02-05 | 烟台鲁明建材有限公司 | Fireproofing foam brick and production method thereof |
| CN104891940A (en) * | 2015-04-28 | 2015-09-09 | 佛山市天元汇邦装饰材料有限公司 | High-flame retardation moisture-resistant glass-magnesium board made from waste film paper pulp, and production method thereof |
| CN105837153A (en) * | 2016-03-28 | 2016-08-10 | 北京中晶环境科技股份有限公司 | Sulfur magnesium oxychloride foam cement exterior wall insulation board and preparation method thereof. |
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Application publication date: 20090729 |