CN105461257A - Preparation method of foamed inorganic fiber fireproof thermal-insulation material - Google Patents
Preparation method of foamed inorganic fiber fireproof thermal-insulation material Download PDFInfo
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- CN105461257A CN105461257A CN201510815629.6A CN201510815629A CN105461257A CN 105461257 A CN105461257 A CN 105461257A CN 201510815629 A CN201510815629 A CN 201510815629A CN 105461257 A CN105461257 A CN 105461257A
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- solution
- insulation material
- inorganic fibre
- preparation
- polyvinyl alcohol
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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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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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
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
Abstract
The invention provides a preparation method of a foamed inorganic fiber fireproof thermal-insulation material. The preparation method comprises the following steps: firstly preparing a mixed solution of sodium carboxymethylcellulose and polyacrylamide and a mixed solution of polyvinyl alcohol and aluminum sulfate respectively, mixing the two mixed solutions in proportion, adding inorganic fiber, uniformly dispersing and drying so as to obtain the foamed inorganic fiber fireproof thermal-insulation material. The method has advantages of simple preparation technology and low production cost, and is suitable for large-scale industrial production. The prepared foamed inorganic fiber fireproof thermal-insulation material is light in weight, nontoxic, tasteless and environmentally friendly, is light in unit weight, is fireproof and non-combustible, has low heat conductivity coefficient, has good storage stability, and can be used as a building's exterior wall insulation material.
Description
Technical field
The invention belongs to Material Field, be specifically related to a kind of preparation method of the inorganic fibre fire-retardant heat-insulation material that foams.
Background technology
Inorganic fibre is a kind of tencel in recent years come out, and this fiber, is made through high temperature melting, operation such as spray silk, cooling etc. for raw material with flyash, coal gangue.Due to it there is insulation, noise reduction, fire-resistant, thermal conductivity is little, from the feature such as heavy and light, price be lower, and there is superior fire resistance, thus being widely used in the industries such as petrochemical complex, electric power, building, metallurgy, is also the desirable lagging material of the industrial equipmentss such as pipeline, basin, flue, car and boat.
China's building thermal insulation material generally uses the organic materialss such as polystyrene that is restricted America and Europe or that prohibit the use, urethane, bipeltate.These organic materials poor heat resistance, easy firing, discharges amount of heat and poison gas during burning, and can accelerate fire spreading; Meanwhile, can there is molten contracting in organic materials, produce density flaming droplet, cause ceramic tile to come off, cause spot fire and secondary injury when fire; In addition, also destruction may be produced to major structure of construction during heat insulating material for external presence of fire.
Foaming inorganic heat insulating fiber material, is be dispersed in inorganic fibre containing in the solution such as dispersion agent, sizing agent, toughener, adds foaming agent foam and form.The advantages such as this product has that unit weight is light, fire prevention is not fired, thermal conductivity is little, environmental protection, price are lower.Costly, production process is complicated, and its price can be slightly higher than general lagging material, causes its popularization to be blocked for existing inorganic heat insulation material raw materials.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of the inorganic fibre fire-retardant heat-insulation material that foams, the method preparation technology be simple, low production cost, obtained product environmental protection, unit weight is light, fire prevention is not fired, thermal conductivity is little, excellent storage stability.
For achieving the above object, the technical solution used in the present invention is:
Foam the preparation method of inorganic fibre fire-retardant heat-insulation material, comprises the following steps:
1) be mixed with soluble in water for Xylo-Mucine the carboxymethylcellulose sodium solution that concentration is 5 ~ 25g/L, then add polyacrylamide wherein, stir and polyacrylamide is dissolved completely, obtain solution A; In solution A, the mass ratio of Xylo-Mucine and polyacrylamide is (5 ~ 25): (0.8 ~ 5);
2) polyvinyl alcohol is added to the water is mixed with the polyvinyl alcohol solution that concentration is 100g/L, then add Tai-Ace S 150 wherein, stir and Tai-Ace S 150 is dissolved completely, obtain solution B; In solution B, the mass ratio of polyvinyl alcohol and Tai-Ace S 150 is 10:1;
3) be 100:(3 ~ 11 by the volume ratio of solution A and solution B) in solution A, add solution B, stir, obtain solution C;
4) inorganic fibre is joined in solution C, limit edged stirs, make inorganic fibre be dispersed in solution C, obtain fibre stuff, in fibre stuff, the mass ratio of inorganic fibre and Xylo-Mucine is (100 ~ 200): (5 ~ 25); The fibre stuff be stirred is poured in mould, puts into baking oven and dry, namely obtain foaming inorganic fibre fire-retardant heat-insulation material.
Described step 2) in polyvinyl alcohol is added to the water, heated and stirred, is warming up to 90 ~ 100 DEG C, continue stirring polyvinyl alcohol is dissolved completely, obtain polyvinyl alcohol solution.
Described step 2) in add in polyvinyl alcohol solution after Tai-Ace S 150 and stir 30 ~ 40min.
Described inorganic fibre is coal ash fiber.
Described step 4) in inorganic fibre is added in solution C in batches.
Described step 4) in dry concrete operations be: fibre stuff is poured in mould, mould is put into the baking oven of 100 ~ 150 DEG C, after 20 ~ 40min, oven temperature is adjusted to 30 ~ 70 DEG C, until fibre stuff is dried completely.
Relative to prior art, the present invention has following beneficial effect:
The preparation method of foaming inorganic fibre fire-retardant heat-insulation material provided by the invention, first prepare Xylo-Mucine and the mixing solutions of polyacrylamide and the mixing solutions of polyvinyl alcohol and Tai-Ace S 150 respectively, inorganic fibre is added again after being mixed in proportion by two kinds of mixing solutionss, be uniformly dispersed post-drying, namely obtains foaming inorganic fibre fire-retardant heat-insulation material.Polyacrylamide wherein used is toughener, can make to exist with the form of covalent linkage between inorganic fibre and amino, and the foaming inorganic fibre fire-retardant heat-insulation material that therefore the present invention obtains has the advantages such as uninflammability, thermal conductivity be low.The method preparation technology is simple, raw materials is easy to get, low production cost, be suitable for industrialization scale operation, obtained foaming inorganic fibre fire-retardant heat-insulation material lightweight, nontoxic, tasteless, environmental protection, unit weight is light, fire prevention is not fired, thermal conductivity is little, excellent storage stability, can be used as architecture exterior wall insulating materials, have a good application prospect.
Further, the inorganic fibre used in the present invention is coal ash fiber, achieves refuse reclamation, reduces material cost, and has environmental-protection function.
Embodiment
Below in conjunction with the present invention preferably embodiment the present invention is described in further details.
Embodiment 1:
1) 2.5g Xylo-Mucine is added in 100ml water, heats slightly, ceaselessly stir Xylo-Mucine is dissolved completely in water, then add 0.08g polyacrylamide stir make it dissolve, obtain solution A;
2) polyvinyl alcohol of 10g is joined in 100mL water, heated and stirred, be warming up to 90 DEG C, continue stirring and make it dissolve completely, then the Tai-Ace S 150 adding 1g continues to stir 30min, obtains solution B;
3) in 100ml solution A, add 3ml solution B, stir, obtain solution C;
4) add in solution C by 10g coal ash fiber in a batch mode, limit edged stirs, and makes coal ash fiber dispersed in the solution, obtains fibre stuff; The temperature of baking oven is transferred to 130 DEG C, the fibre stuff be stirred is poured in sieve, puts baking oven at once, after crossing 30min, temperature is adjusted to 70 DEG C and continues to dry until fibre stuff is dried completely, taking out sieve makes its temperature return to room temperature, and must foam inorganic fibre fire-retardant heat-insulation material.
Embodiment 2:
1) 1.3g Xylo-Mucine is added in 100ml water, heats slightly, ceaselessly stir Xylo-Mucine is dissolved completely in water, then add 0.1g polyacrylamide stir make it dissolve, obtain solution A;
2) polyvinyl alcohol of 10g is joined in 100mL water, heated and stirred, be warming up to 100 DEG C, continue stirring and make it dissolve completely, then the Tai-Ace S 150 adding 1g continues to stir 35min, obtains solution B;
3) in 100ml solution A, add 8ml solution B, stir, obtain solution C;
4) add in solution C by 14g coal ash fiber in a batch mode, limit edged stirs, and makes coal ash fiber dispersed in the solution, obtains fibre stuff; The temperature of baking oven is transferred to 120 DEG C, the fibre stuff be stirred is poured in sieve, puts baking oven at once, after crossing 25min, temperature is adjusted to 60 DEG C and continues to dry until fibre stuff is dried completely, taking out sieve makes its temperature return to room temperature, and must foam inorganic fibre fire-retardant heat-insulation material.
Embodiment 3:
1) 0.7g Xylo-Mucine is added in 100ml water, heats slightly, ceaselessly stir Xylo-Mucine is dissolved completely in water, then add 0.4g polyacrylamide stir make it dissolve, obtain solution A;
2) polyvinyl alcohol of 10g is joined in 100mL water, heated and stirred, be warming up to 95 DEG C, continue stirring and make it dissolve completely, then the Tai-Ace S 150 adding 1g continues to stir 40min, obtains solution B;
3) in 100ml solution A, add 10ml solution B, stir, obtain solution C;
4) add in solution C by 18g coal ash fiber in a batch mode, limit edged stirs, and makes coal ash fiber dispersed in the solution, obtains fibre stuff; The temperature of baking oven is transferred to 140 DEG C, the fibre stuff be stirred is poured in sieve, puts baking oven at once, after crossing 35min, temperature is adjusted to 40 DEG C and continues to dry until fibre stuff is dried completely, taking out sieve makes its temperature return to room temperature, and must foam inorganic fibre fire-retardant heat-insulation material.
Embodiment 4:
1) 2.0g Xylo-Mucine is added in 100ml water, heats slightly, ceaselessly stir Xylo-Mucine is dissolved completely in water, then add 0.5g polyacrylamide stir make it dissolve, obtain solution A;
2) polyvinyl alcohol of 10g is joined in 100mL water, heated and stirred, be warming up to 92 DEG C, continue stirring and make it dissolve completely, then the Tai-Ace S 150 adding 1g continues to stir 38min, obtains solution B;
3) in 100ml solution A, add 5ml solution B, stir, obtain solution C;
4) add in solution C by 20g coal ash fiber in a batch mode, limit edged stirs, and makes coal ash fiber dispersed in the solution, obtains fibre stuff; The temperature of baking oven is transferred to 110 DEG C, the fibre stuff be stirred is poured in sieve, puts baking oven at once, after crossing 40min, temperature is adjusted to 30 DEG C and continues to dry until fibre stuff is dried completely, taking out sieve makes its temperature return to room temperature, and must foam inorganic fibre fire-retardant heat-insulation material.
Embodiment 5:
1) 1.7g Xylo-Mucine is added in 100ml water, heats slightly, ceaselessly stir Xylo-Mucine is dissolved completely in water, then add 0.3g polyacrylamide stir make it dissolve, obtain solution A;
2) polyvinyl alcohol of 10g is joined in 100mL water, heated and stirred, be warming up to 98 DEG C, continue stirring and make it dissolve completely, then the Tai-Ace S 150 adding 1g continues to stir 32min, obtains solution B;
3) in 100ml solution A, add 11ml solution B, stir, obtain solution C;
4) add in solution C by 16g coal ash fiber in a batch mode, limit edged stirs, and makes coal ash fiber dispersed in the solution, obtains fibre stuff; The temperature of baking oven is transferred to 125 DEG C, the fibre stuff be stirred is poured in sieve, puts baking oven at once, after crossing 20min, temperature is adjusted to 65 DEG C and continues to dry until fibre stuff is dried completely, taking out sieve makes its temperature return to room temperature, and must foam inorganic fibre fire-retardant heat-insulation material.
Embodiment 6:
1) 0.5g Xylo-Mucine is added in 100ml water, heats slightly, ceaselessly stir Xylo-Mucine is dissolved completely in water, then add 0.2g polyacrylamide stir make it dissolve, obtain solution A;
2) polyvinyl alcohol of 10g is joined in 100mL water, heated and stirred, be warming up to 90 DEG C, continue stirring and make it dissolve completely, then the Tai-Ace S 150 adding 1g continues to stir 30min, obtains solution B;
3) in 100ml solution A, add 6ml solution B, stir, obtain solution C;
4) add in solution C by 12g coal ash fiber in a batch mode, limit edged stirs, and makes coal ash fiber dispersed in the solution, obtains fibre stuff; The temperature of baking oven is transferred to 150 DEG C, the fibre stuff be stirred is poured in sieve, puts baking oven at once, after crossing 30min, temperature is adjusted to 50 DEG C and continues to dry until fibre stuff is dried completely, taking out sieve makes its temperature return to room temperature, and must foam inorganic fibre fire-retardant heat-insulation material.
With the foaming inorganic fibre fire-retardant heat-insulation material obtained by embodiment 2 for subjects is tested, the test of Absolute Dry Density, carry out with reference to GB/T5486-2008 " inorganic hard insulating product test method ", Determination of conductive coefficients carries out with reference to GB/T10294-2008 " the mensuration Guarded hot plate of Technology of Steady State Thermal Resistance of Thermal Insulating Material and related characteristics ", and result is as shown in table 1.
Table 1 foams the properties of inorganic fibre fire-retardant heat-insulation material
Can find out that foaming inorganic fibre fire-retardant heat-insulation material that the present invention obtains meets the requirement of the indices of national external wall thermal insulation material by the data in table 1, have nontoxic, tasteless, fire prevention is not fired, thermal conductivity is little, excellent storage stability, low density feature, is a kind of well inorganic fireproofing insulation material.
Claims (6)
1. foam the preparation method of inorganic fibre fire-retardant heat-insulation material, it is characterized in that, comprise the following steps:
1) be mixed with soluble in water for Xylo-Mucine the carboxymethylcellulose sodium solution that concentration is 5 ~ 25g/L, then add polyacrylamide wherein, stir and polyacrylamide is dissolved completely, obtain solution A; In solution A, the mass ratio of Xylo-Mucine and polyacrylamide is (5 ~ 25): (0.8 ~ 5);
2) polyvinyl alcohol is added to the water is mixed with the polyvinyl alcohol solution that concentration is 100g/L, then add Tai-Ace S 150 wherein, stir and Tai-Ace S 150 is dissolved completely, obtain solution B; In solution B, the mass ratio of polyvinyl alcohol and Tai-Ace S 150 is 10:1;
3) be 100:(3 ~ 11 by the volume ratio of solution A and solution B) in solution A, add solution B, stir, obtain solution C;
4) inorganic fibre is joined in solution C, limit edged stirs, make inorganic fibre be dispersed in solution C, obtain fibre stuff, in fibre stuff, the mass ratio of inorganic fibre and Xylo-Mucine is (100 ~ 200): (5 ~ 25); The fibre stuff be stirred is poured in mould, puts into baking oven and dry, namely obtain foaming inorganic fibre fire-retardant heat-insulation material.
2. the preparation method of foaming inorganic fibre fire-retardant heat-insulation material according to claim 1, it is characterized in that: described step 2) in polyvinyl alcohol is added to the water, heated and stirred, is warming up to 90 ~ 100 DEG C, continuing stirring makes polyvinyl alcohol dissolve completely, obtains polyvinyl alcohol solution.
3. the preparation method of foaming inorganic fibre fire-retardant heat-insulation material according to claim 1, is characterized in that: described step 2) in add in polyvinyl alcohol solution after Tai-Ace S 150 and stir 30 ~ 40min.
4. the preparation method of foaming inorganic fibre fire-retardant heat-insulation material according to claim 1, is characterized in that: described inorganic fibre is coal ash fiber.
5. the preparation method of foaming inorganic fibre fire-retardant heat-insulation material according to claim 1, is characterized in that: described step 4) in inorganic fibre is added in solution C in batches.
6. the preparation method of foaming inorganic fibre fire-retardant heat-insulation material according to claim 1, it is characterized in that: described step 4) in dry concrete operations be: fibre stuff is poured in mould, mould is put into the baking oven of 100 ~ 150 DEG C, after 20 ~ 40min, oven temperature is adjusted to 30 ~ 70 DEG C, until dried completely by fibre stuff.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510815629.6A CN105461257B (en) | 2015-11-20 | 2015-11-20 | A kind of preparation method for the inorfil fire-retardant heat-insulation material that foams |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106699101A (en) * | 2017-01-22 | 2017-05-24 | 陕西科技大学 | Preparation method of foaming inorganic fiber fireproof heat insulation material |
| CN106746900A (en) * | 2017-01-22 | 2017-05-31 | 陕西科技大学 | A kind of preparation method of inorfil fire-retardant heat-insulation material |
| CN106930493A (en) * | 2017-03-28 | 2017-07-07 | 北京艺高世纪科技股份有限公司 | Fireproof heat preservation decorative board and preparation method thereof |
| CN113698226A (en) * | 2021-09-23 | 2021-11-26 | 景德镇陶瓷大学 | Preparation method of high-strength porous ceramic and product prepared by same |
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| CN1170750A (en) * | 1996-07-12 | 1998-01-21 | 肜春艳 | Magnesium and aluminium enriched in site foaming and heat insulating material |
| DE10159340A1 (en) * | 2000-12-05 | 2002-06-06 | Akzo Nobel Nv | Lightweight, two-layer floor composition contains filler binder based on calcium sulfate, cement, magnesium oxide, mastic asphalt and/or bitumen and is reinforced with fibers, fabric or metal |
| CN103723987A (en) * | 2014-01-02 | 2014-04-16 | 宁夏建筑材料研究院（有限公司） | A-grade inorganic exterior wall external heat insulation material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1089588A (en) * | 1993-01-13 | 1994-07-20 | 陈云 | Flexibly thermal insulation material made of compound silicate |
| CN1117987A (en) * | 1994-08-31 | 1996-03-06 | 徐中 | Quick-drying multi-function thermal-insulation material |
| CN1170750A (en) * | 1996-07-12 | 1998-01-21 | 肜春艳 | Magnesium and aluminium enriched in site foaming and heat insulating material |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106699101A (en) * | 2017-01-22 | 2017-05-24 | 陕西科技大学 | Preparation method of foaming inorganic fiber fireproof heat insulation material |
| CN106746900A (en) * | 2017-01-22 | 2017-05-31 | 陕西科技大学 | A kind of preparation method of inorfil fire-retardant heat-insulation material |
| CN106746900B (en) * | 2017-01-22 | 2019-03-08 | 陕西科技大学 | A kind of preparation method of inorfil fireproof and heat-insulating material |
| CN106699101B (en) * | 2017-01-22 | 2019-03-08 | 陕西科技大学 | A kind of preparation method for the inorfil fireproof and heat-insulating material that foams |
| CN106930493A (en) * | 2017-03-28 | 2017-07-07 | 北京艺高世纪科技股份有限公司 | Fireproof heat preservation decorative board and preparation method thereof |
| CN113698226A (en) * | 2021-09-23 | 2021-11-26 | 景德镇陶瓷大学 | Preparation method of high-strength porous ceramic and product prepared by same |
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| CN105461257B (en) | 2018-01-02 |
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