CN105084855A - Inorganic-organic composite fireproof thermal-insulation board and preparation method thereof - Google Patents
Inorganic-organic composite fireproof thermal-insulation board and preparation method thereof Download PDFInfo
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Abstract
The invention belongs to the technical field of building materials, and particularly relates to an inorganic-organic composite fireproof thermal-insulation board and a preparation method thereof. The thermal-insulation board is prepared from the following raw materials in parts by weight: 200-1000 parts of magnesium chloride, 200-1000 parts of magnesium oxide, 100-500 parts of diatomite, 50-100 parts of polystyrene, 1-10 parts of setting accelerator, 1-10 parts of foaming agent and 1-10 parts of halogenide-resistant modifier. The preparation method comprises the following steps: uniformly stirring the magnesium chloride and setting accelerator; adding the foaming agent, and stirring to form a foamed solution; adding the magnesium oxide and modified diatomite, stirring uniformly, adding the halogenide-resistant modifier and polystyrene particle, and continuously stirring; curing in a mold; and demolding to form. The inorganic-organic composite fireproof thermal-insulation board develops the diatomite resource which is most suitable to be used as the thermal-insulation building material; the diatomite with unique diatomite structure, which has the advantages of small volume weight, low density, favorable binding force with the material substrate and the like, can ensure the thermal-insulation property of the board and enhance the fireproof property and flame retardancy of the board when being used as the aggregate of the fireproof thermal-insulation board, thereby solving the contradiction between the fireproof property and thermal insulation in the existing thermal-insulation board.
Description
Technical field
The invention belongs to building material technical field, be specifically related to a kind of Inorganic whisker fireproof heated board and preparation method thereof.
Background technology
At present, building thermal insulation material has a lot, and the most distinct issues of present stage China's building exterior wall heat preserving technology are exactly energy-conservation and contradiction between fire prevention, and namely energy-conservation lagging material is not prevented fires, and fp lagging material energy-saving effect is not good.
Although organic insulation material is extruded sheet, styrofoam, polyurethane thermal insulation board high insulating effect such as, easy construction, but have simultaneously heat-resisting difference, loss of properties on aging, easy firing and burning time release amount of heat, produce poison gas, accelerate the shortcomings such as large fire spreading; Although inorganic heat insulation material is as excellent in the fire resistance such as rock-wool heat insulation plate, foam cement, but shortcomings such as there is heat insulation effect difference simultaneously, easily absorb water, unit weight is large, and not only polluted air but also easy breed bacteria, health of human body is easily worked the mischief, therefore, the inorganic-organic hybrid insulating product of development of new is the major objective in industry, the research and development of this series products at present and the subject matter of use existence:
1. unit weight is large, cannot be used for the positions such as furred ceiling as light material;
2. thermal conductivity is high, cannot use as lagging material;
3. easily aging, poor water resistance.
4. range of application is little.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of Inorganic whisker fireproof heated board and preparation method thereof, and it utilizes the diatomite resource of China's abundant, is combined by inorganic heat insulation material with organic insulation material, and the insulation board fire prevention obtained is incubated again.
The present invention is achieved in that a kind of Inorganic whisker fireproof heated board, and the parts by weight of raw materials making this warming plate consists of:
200 ~ 1000 parts, magnesium chloride
200 ~ 1000 parts, magnesium oxide
100 ~ 500 parts, diatomite
Polystyrene 50 ~ 100 parts
Setting accelerator 1 ~ 10 part
Whipping agent 1 ~ 10 part
Surface halide accumulation resistance properties-correcting agent 1 ~ 10 part.
Further, magnesium chloride to be concentration be 10% ~ 20% magnesium chloride solution.
Further, diatomite is modification infusorial earth, makes its hydrophobic rate be greater than 90% obtain modification infusorial earth by the thermal conductivity diatomite original soil that is 0.076W/ (mK) after hydrophobic modified.
Further, setting accelerator be calcium oxide, calcium hydroxide, sodium hydroxide one or both, whipping agent be Skellysolve A, normal hexane, animal/vegetable protein class whipping agent one or both, surface halide accumulation resistance properties-correcting agent be ferrous sulfate, Tai-Ace S 150 one or both.
According to another aspect of the present invention, provide a kind of method making Inorganic whisker fireproof heated board, comprise the steps:
1) mould is made: conveniently technique makes mould;
2) diatomite modified: diatomite original soil is placed in 100 ~ 500 DEG C of retort furnace calcining 5 ~ 10h pre-treatment, then 25 DEG C of electric heating air blast drying baker 5 ~ 10h are placed in, join in ethanol solution after taking out sample, dripping dilute acetic acid solution is 4 ~ 5 by pH regulator, be after stirring 30 ~ 60min in advance in the water-bath of 70 ~ 80 DEG C in temperature, dropwise add the Silane coupling reagent KH-570 of default consumption, continue stirring 2 ~ 6h, then suction filtration cleaning, take out after being placed in 105 DEG C of electric heating air blast drying baker 5 ~ 10h, obtain the diatomite of surface hydrophobicity modification.
3) mediation expanding foam solution: the mixing and stirring in high speed dispersor by magnesium chloride and setting accelerator, then add whipping agent mediation stirring, stirring velocity is per minute 500 ~ 20000 turns, forms expanding foam solution;
4) mediation batch mixing: add magnesium oxide in described expanding foam solution, modified diatomite stirs, then add surface halide accumulation resistance properties-correcting agent and granules of polystyrene, Keep agitation, stirring velocity is per minute 500 ~ 10000 turns, until mixing of materials is even;
5) by 4) in material pour maintenance in mould into, keep temperature be 10 ~ 100 degrees Celsius, relative humidity is 10 ~ 100, and curing time is 5 ~ 15 hours;
6) Inorganic whisker fireproof heat insulating board finished product is made in the demoulding.
Compared with prior art, the invention has the advantages that:
1. fire resistance is good, can be used for the construction wall of fire protection requirement;
2. thermal conductivity is low, can be widely used in the manufacture of inside holding building materials;
3. unit weight is little, can be used as and manufactures the building materials that partition wall, lagging material etc. need light material;
4. not easily aging, water tolerance, good weatherability;
5. without obnoxious flavour volatilization, formaldehyde, VOC quantity discharged all can be up to standard, belong to green structural material;
6. develop the most applicable diatomite resource as heat preservation construction material, the diatom structure of diatomite uniqueness has that unit weight is little, density is low, with the advantage such as material substrate bonding force is good, as the aggregate of fireproof heated board, not only ensure the heat-insulating property of sheet material but also improve fire retardant performance.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Main raw material of the present invention has magnesium chloride, magnesium oxide, diatomite and polystyrene, wherein diatomite has uninflammability and good heat retaining property, unit weight is little, thermal conductivity is low, with material substrate bonding force good, magnesium goods have the shaping feature of spontaneous heating, granular polystyrene light weight, the present invention is by organic insulation material and inorganic heat insulation material compound, and development obtains described Inorganic whisker fireproof heated board; Processing aid of the present invention has setting accelerator, whipping agent and surface halide accumulation resistance properties-correcting agent, and the setting accelerator adopted can shorten set time, the raising product strength of goods; The whipping agent adopted is Compositional type pneumatogen, not only has the advantages such as foam expansion is high, froth stability is good, can also play certain modifying function to goods simultaneously, reduces the probability of product scumming; The surface halide accumulation resistance properties-correcting agent adopted refers to the water resisting property that can improve product, and in wet environment, can improve the properties-correcting agent of product surface anti-moisture absorption capacity for a long time, and the anti-halogen properties-correcting agent that the present invention adopts can form colloid in reaction system, improves surface halide accumulation resistance performance.
Embodiment 1
1) conveniently technique makes mould;
2) diatomite modified: diatomite original soil is placed in 100 ~ 500 DEG C of retort furnace calcining 5 ~ 10h pre-treatment, then 25 DEG C of electric heating air blast drying baker 5 ~ 10h are placed in, join in ethanol solution after taking out sample, dripping dilute acetic acid solution is 4 ~ 5 by pH regulator, be after stirring 30 ~ 60min in advance in the water-bath of 70 ~ 80 DEG C in temperature, dropwise add the Silane coupling reagent KH-570 of default consumption, continue stirring 2 ~ 6h, then suction filtration cleaning, take out after being placed in 105 DEG C of electric heating air blast drying baker 5 ~ 10h, obtain the diatomite of surface hydrophobicity modification;
3) 200 parts of concentration are magnesium chloride solution and 1 part of setting accelerator mixing and stirring in high speed dispersor of 10% ~ 20% by mediation expanding foam solution, then add 1 part of whipping agent mediation stirring, and stirring velocity is per minute 500 ~ 20000 turns, forms expanding foam solution;
4) batch mixing is in harmonious proportion: in described expanding foam solution, add 200 parts of magnesium oxide, 100 parts of modified diatomite stir, add 1 part of surface halide accumulation resistance properties-correcting agent and 50 parts of granules of polystyrene again, Keep agitation, stirring velocity is per minute 500 ~ 10000 turns, until mixing of materials is even;
5) by 4) in material pour maintenance in mould into, keep temperature be 10 ~ 100 degrees Celsius, relative humidity is 10 ~ 100, and curing time is 5 ~ 15 hours;
6) Inorganic whisker fireproof heat insulating board finished product is made in the demoulding.
Embodiment 2
1) conveniently technique makes mould;
2) diatomite modified: diatomite original soil is placed in 100 ~ 500 DEG C of retort furnace calcining 5 ~ 10h pre-treatment, then 25 DEG C of electric heating air blast drying baker 5 ~ 10h are placed in, join in ethanol solution after taking out sample, dripping dilute acetic acid solution is 4 ~ 5 by pH regulator, be after stirring 30 ~ 60min in advance in the water-bath of 70 ~ 80 DEG C in temperature, dropwise add the Silane coupling reagent KH-570 of default consumption, continue stirring 2 ~ 6h, then suction filtration cleaning, take out after being placed in 105 DEG C of electric heating air blast drying baker 5 ~ 10h, obtain the diatomite of surface hydrophobicity modification;
3) 1000 parts of concentration are magnesium chloride solution and 10 parts of setting accelerator mixing and stirring in high speed dispersor of 10% ~ 20% by mediation expanding foam solution, then add 10 parts of whipping agents mediation stirrings, and stirring velocity is per minute 500 ~ 20000 turns, forms expanding foam solution;
4) batch mixing is in harmonious proportion: in described expanding foam solution, add 1000 parts of magnesium oxide, 500 parts of modified diatomite stir, add 10 parts of surface halide accumulation resistance properties-correcting agent and 100 parts of granules of polystyrene again, Keep agitation, stirring velocity is per minute 500 ~ 10000 turns, until mixing of materials is even;
5) by 4) in material pour maintenance in mould into, keep temperature be 10 ~ 100 degrees Celsius, relative humidity is 10 ~ 100, and curing time is 5 ~ 15 hours;
6) Inorganic whisker fireproof heat insulating board finished product is made in the demoulding.
Embodiment 3
1) conveniently technique makes mould;
2) diatomite modified: diatomite original soil is placed in 100 ~ 500 DEG C of retort furnace calcining 5 ~ 10h pre-treatment, then 25 DEG C of electric heating air blast drying baker 5 ~ 10h are placed in, join in ethanol solution after taking out sample, dripping dilute acetic acid solution is 4 ~ 5 by pH regulator, be after stirring 30 ~ 60min in advance in the water-bath of 70 ~ 80 DEG C in temperature, dropwise add the Silane coupling reagent KH-570 of default consumption, continue stirring 2 ~ 6h, then suction filtration cleaning, take out after being placed in 105 DEG C of electric heating air blast drying baker 5 ~ 10h, obtain the diatomite of surface hydrophobicity modification;
3) 600 parts of concentration are magnesium chloride solution and 5 parts of setting accelerator mixing and stirring in high speed dispersor of 10% ~ 20% by mediation expanding foam solution, then add 5 parts of whipping agents mediation stirrings, and stirring velocity is per minute 500 ~ 20000 turns, forms expanding foam solution;
4) batch mixing is in harmonious proportion: in described expanding foam solution, add 600 parts of magnesium oxide, 300 parts of modified diatomite stir, add 5 parts of surface halide accumulation resistance properties-correcting agent and 75 parts of granules of polystyrene again, Keep agitation, stirring velocity is per minute 500 ~ 10000 turns, until mixing of materials is even;
5) by 4) in material pour maintenance in mould into, keep temperature be 10 ~ 100 degrees Celsius, relative humidity is 10 ~ 100, and curing time is 5 ~ 15 hours;
6) Inorganic whisker fireproof heat insulating board finished product is made in the demoulding.
Detect warming plate performance index obtained in embodiment 1 ~ 3, result is as follows:
The detection of fire resistance: carry out detection according to the burning ranking score level of GB GB8624-2012 material of construction known, the fire resistance of this warming plate can reach does not fire A level, can be used for the construction wall of fire protection requirement.
The detection of thermal conductivity: carry out detection according to the mensuration Guarded hot plate of GB GBT10294-2008 Technology of Steady State Thermal Resistance of Thermal Insulating Material and related characteristics known, the thermal conductivity of this warming plate, between 0.04 ~ 0.05W/ (mK), can be widely used in the manufacture of inside holding building materials.
From the detected result of above-mentioned two indices, the insulation board of application claims protection ensures that the heat-insulating property of sheet material improves fire retardant performance again, solves the contradiction between the fire prevention of current warming plate and insulation; And the unit weight of this warming plate is little, at 150 ~ 200kg/m
3between, can be used as and manufacture the building materials that partition wall, lagging material etc. need light material; Also have not easily aging, water tolerance, good weatherability, without obnoxious flavour volatilization, formaldehyde, VOC quantity discharged all can be up to standard etc. advantage, belong to green structural material.
Claims (5)
1. an Inorganic whisker fireproof heated board, is characterized in that, the parts by weight of raw materials making this warming plate consists of:
200 ~ 1000 parts, magnesium chloride
200 ~ 1000 parts, magnesium oxide
100 ~ 500 parts, diatomite
Polystyrene 50 ~ 100 parts
Setting accelerator 1 ~ 10 part
Whipping agent 1 ~ 10 part
Surface halide accumulation resistance properties-correcting agent 1 ~ 10 part.
2., according to Inorganic whisker fireproof heated board according to claim 1, it is characterized in that, described magnesium chloride to be concentration be 10% ~ 20% magnesium chloride solution.
3. according to Inorganic whisker fireproof heated board according to claim 1, it is characterized in that, described diatomite is modification infusorial earth, makes its hydrophobic rate be greater than 90% obtain modification infusorial earth by the thermal conductivity diatomite original soil that is 0.076W/ (mK) after hydrophobic modified.
4. according to Inorganic whisker fireproof heated board according to claim 1, it is characterized in that, described setting accelerator be calcium oxide, calcium hydroxide, sodium hydroxide one or both, described whipping agent be Skellysolve A, normal hexane, animal/vegetable protein class whipping agent one or both, described surface halide accumulation resistance properties-correcting agent be ferrous sulfate, Tai-Ace S 150 one or both.
5. make the method for Inorganic whisker fireproof heated board as claimed in claim 1, it is characterized in that, comprise the steps:
1) mould is made: conveniently technique makes mould;
2) diatomite modified: diatomite original soil is placed in 100 ~ 500 DEG C of retort furnace calcining 5 ~ 10h pre-treatment, then 25 DEG C of electric heating air blast drying baker 5 ~ 10h are placed in, join in ethanol solution after taking out sample, dripping dilute acetic acid solution is 4 ~ 5 by pH regulator, be after stirring 30 ~ 60min in advance in the water-bath of 70 ~ 80 DEG C in temperature, dropwise add the Silane coupling reagent KH-570 of default consumption, continue stirring 2 ~ 6h, then suction filtration cleaning, take out after being placed in 105 DEG C of electric heating air blast drying baker 5 ~ 10h, obtain the diatomite of surface hydrophobicity modification.
3) mediation expanding foam solution: the mixing and stirring in high speed dispersor by magnesium chloride and setting accelerator, then add whipping agent mediation stirring, stirring velocity is per minute 500 ~ 20000 turns, forms expanding foam solution;
4) mediation batch mixing: add magnesium oxide in described expanding foam solution, modified diatomite stirs, then add surface halide accumulation resistance properties-correcting agent and granules of polystyrene, Keep agitation, stirring velocity is per minute 500 ~ 10000 turns, until mixing of materials is even;
5) by 4) in material pour maintenance in mould into, keep temperature be 10 ~ 100 degrees Celsius, relative humidity is 10 ~ 100, and curing time is 5 ~ 15 hours;
6) Inorganic whisker fireproof heat insulating board finished product is made in the demoulding.
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Cited By (7)
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| CN106587898A (en) * | 2017-01-06 | 2017-04-26 | 中国科学院青岛生物能源与过程研究所 | Magnesium-based composite fireproof heat-insulation plate and preparation method thereof |
| CN107663078A (en) * | 2017-10-19 | 2018-02-06 | 姜向军 | A kind of preparation method of water-resistance fire-proof plate |
| CN108975776A (en) * | 2017-06-01 | 2018-12-11 | 江苏振威新材料科技有限公司 | Sound-insulating material for construction wall |
| CN109879643A (en) * | 2019-03-11 | 2019-06-14 | 上海圣奎塑业有限公司 | Insulation board feedstock composition, rapid hardening insulation board and preparation method thereof |
| CN110092609A (en) * | 2019-05-30 | 2019-08-06 | 酒泉市益鼎建材有限责任公司 | A kind of organically-modified styrofoam and preparation method thereof |
| CN110527246A (en) * | 2019-09-06 | 2019-12-03 | 浙江鹏孚隆科技股份有限公司 | The modified granulated material of the polyether-ether-ketone of low thermal conductivity and its application |
| CN112341114A (en) * | 2020-10-20 | 2021-02-09 | 浙江忠信新型建材股份有限公司 | Facing mortar with humidity adjusting function and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587898A (en) * | 2017-01-06 | 2017-04-26 | 中国科学院青岛生物能源与过程研究所 | Magnesium-based composite fireproof heat-insulation plate and preparation method thereof |
| CN108975776A (en) * | 2017-06-01 | 2018-12-11 | 江苏振威新材料科技有限公司 | Sound-insulating material for construction wall |
| CN107663078A (en) * | 2017-10-19 | 2018-02-06 | 姜向军 | A kind of preparation method of water-resistance fire-proof plate |
| CN109879643A (en) * | 2019-03-11 | 2019-06-14 | 上海圣奎塑业有限公司 | Insulation board feedstock composition, rapid hardening insulation board and preparation method thereof |
| CN109879643B (en) * | 2019-03-11 | 2021-09-14 | 上海圣奎塑业有限公司 | Insulation board raw material composition, quick-setting insulation board and manufacturing method thereof |
| CN110092609A (en) * | 2019-05-30 | 2019-08-06 | 酒泉市益鼎建材有限责任公司 | A kind of organically-modified styrofoam and preparation method thereof |
| CN110527246A (en) * | 2019-09-06 | 2019-12-03 | 浙江鹏孚隆科技股份有限公司 | The modified granulated material of the polyether-ether-ketone of low thermal conductivity and its application |
| CN110527246B (en) * | 2019-09-06 | 2022-03-15 | 浙江鹏孚隆科技股份有限公司 | Polyether-ether-ketone modified granulating material with low thermal conductivity coefficient and application thereof |
| CN112341114A (en) * | 2020-10-20 | 2021-02-09 | 浙江忠信新型建材股份有限公司 | Facing mortar with humidity adjusting function and preparation method thereof |
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Application publication date: 20151125 |