CN107445512A - Fire-retardant polyphenyl insulation material of exterior wall and preparation method thereof - Google Patents
Fire-retardant polyphenyl insulation material of exterior wall and preparation method thereof Download PDFInfo
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- CN107445512A CN107445512A CN201710657941.6A CN201710657941A CN107445512A CN 107445512 A CN107445512 A CN 107445512A CN 201710657941 A CN201710657941 A CN 201710657941A CN 107445512 A CN107445512 A CN 107445512A
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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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
- C04B2111/0062—Gypsum-paper board like materials
- C04B2111/00629—Gypsum-paper board like materials the covering sheets being made of material other than paper
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
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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
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The present invention proposes fire-retardant polyphenyl insulation material of a kind of exterior wall and preparation method thereof, according to the number of parts by weight, including following components：70~90 parts of 50~70 parts of polystyrene, 4~8 parts of aerosil, 10~20 parts of modified water glass, 10~20 parts of flyash, 5~10 parts of hydroxyethyl ether cellulose, 4~8 parts of composite flame-retardant agent, 1~5 part of foaming agent, 0.5~1.5 part of stabilizer and water；Wherein, the modified water glass is mainly prepared by waterglass, lauryl sodium sulfate, polyacrylamide and water-soluble poly ammonium phosphate, and the composite flame-retardant agent is mainly prepared by magnesium salts, nano imvite and CNT.Not only combustibility reaches the standards of A level incombustible materials to the insulation material, and frothing percentage is high, thermal conductivity factor is low.
Description
Technical field
The invention belongs to building material technical field, and in particular to a kind of fire-retardant polyphenyl insulation material of exterior wall and its preparation side
Method.
Background technology
External thermal insulation system is formed and is applicable by heat-insulation layer, protective layer and fixed material (adhesive, anchoring piece etc.)
General name is constructed in the non-bearing heat-preserving installed in exterior wall surface.External wall outer insulation can mitigate the influence of cold bridge, while protect master
Body walling is not denatured stress by great temperature, and huge contribution is made that in terms of building energy conservation, is current China's building wall
The energy-saving technological measure being most widely used in energy-saving, and the insulation way that country vigorously advocates at present.
At present, the external thermal insulation system applied to China mainly has following several forms：Expansion polystyrene plate (EPS)
Thin-coat plaster wall outer heat preservation system, large die built-in (having net, without net) external thermal insulation system, glue powder polyphenyl granule exterior wall external thermal insulation system
System, polyurethane (spraying, sheet material) external thermal insulation system, extruded sheet (XPS) external thermal insulation system etc..Wherein EPS sheet is with valency
The advantages that lattice are cheap, construction is simple occupies the very big share in insulation market.
The thermal conductivity factor of EPS particles is low, and thermal and insulating performance is excellent, is preferable insulation material.PS foamed plastics category is easy
Combustible material, its limited oxygen index are only 10%, and generation styrene monomer, styrene dimer and hydrocarbon are decomposed after meeting fire
(such as benzene, low alkylbenzene and a small amount of oxygen-containing aromatic compound), has preferable calorific value.PS foamed plastics is also easy to produce band when burning
The melting drippage of naked light, can ignite other combustibles, even if removing burning things which may cause a fire disaster remains to sustained combustion, therefore be applied stacking and building
Fire easily occurs during work.
The content of the invention
The present invention proposes a kind of fire-retardant polyphenyl insulation material of exterior wall, and not only to reach A levels non-ignitable for combustibility for the insulation material
The standard of material, and frothing percentage is high, thermal conductivity factor is low.
The technical proposal of the invention is realized in this way：
50~70 parts of polystyrene, 4~8 parts of aerosil, 10~20 parts of modified water glass, flyash 10~20
Part, 5~10 parts of hydroxyethyl ether cellulose, 4~8 parts of composite flame-retardant agent, 1~5 part of foaming agent, 0.5~1.5 part of stabilizer and water 70
~90 parts；Wherein, the modified water glass is mainly by waterglass, lauryl sodium sulfate, polyacrylamide and water-soluble poly phosphorus
Sour ammonium is prepared, and the composite flame-retardant agent is mainly prepared by magnesium salts, nano imvite and CNT.
Preferably, the preparation method of the composite flame-retardant agent：
The CNT of the nano imvite of 5~10 parts by weight and 3~8 parts by weight is added to 80~90 parts by weight
In the ethanol solution of magnesium salts, the sodium cetanesulfonate that 1~3 parts by weight are added after disperseing is sufficiently stirred, is being divided after ultrasonic disperse
50~100 parts by weight ammoniacal liquor are added in the suspension dissipated, mixed liquor is obtained, the mixed liquor is transferred to 110~180 DEG C of hydro-thermals
Isothermal reaction in kettle, question response carry out subsequent treatment after terminating, obtain composite flame-retardant agent.
Preferably, the magnesium salts is the one or more in magnesium chloride, magnesium sulfate, magnesium nitrate, and the CNT is
Functionalized multi-wall carbonnanotubes.
Preferably, the preparation method of the modified water glass：
After the waterglass of 30~40 parts by weight is mixed with 0.2~0.6 part of dodecyl sodium sulfate, 50 DEG C~60 are heated to
DEG C 10~15min of stirring, it is cooled to after room temperature and adds water-soluble poly ammonium phosphate and mix 10~15min, then is warming up to 70 DEG C~80
DEG C add polyacrylamide carry out it is well mixed after produce modified waterglass.
Further, the stabilizer is stearate, and the foaming agent is the mixture of protide foaming agent and ether.
It is a further object to provide a kind of preparation method of the fire-retardant polyphenyl insulation material of exterior wall, including following step
Suddenly：
1) required polystyrene and aerosil are weighed by formula rate first, then heats both in steam
Mixed under conditions of 100~150 DEG C, obtain polystyrene Silica hydrogel mixture；
2) and then polystyrene Silica hydrogel mixture, composite flame-retardant agent, water and foaming agent are added in foaming machine and foamed,
Stir and then add modified water glass, flyash, hydroxyethyl ether cellulose and stabilizer to be mixed evenly, mixed
Slurry；
3) alkali-proof glass fiber mesh is laid in mold bottom, by mixed slurry pouring molding；Finally on slurry surface
One layer of grid cloth is repaved, natural curing forms.
Beneficial effects of the present invention：
The fire-retardant polyphenyl insulation material of exterior wall of the present invention is entered under steam condition by aerosil with polystyrene
Row reaction forms composite particles, then with composite flame-retardant agent in the presence of foaming agent, improves the fire resistance of insulation material.
Addition is by waterglass, lauryl sodium sulfate, polyacrylamide and water-soluble poly phosphorus in the insulation material of the present invention
The modified water glass that sour ammonium is prepared can promote foaming agent also to coordinate while foaming with fire retardant, improve thermal insulating material
The fire resistance of material.Not only fire-retardant rate is high for the composite flame-retardant agent being prepared by magnesium salts, nano imvite and CNT, and
Reduce infringement of the fire retardant to insulation material mechanical performance.
The fire-retardant polyphenyl insulation material 0.008~0.012w/m.k of thermal conductivity factor of exterior wall of the present invention, its combustibility reach
The requirement of A1 levels incombustible material as defined in GB8624-1997 standards.
Embodiment
Embodiment 1
The preparation method of composite flame-retardant agent：
The functionalized multi-wall carbonnanotubes of the nano imvite of 8 parts by weight and 6 parts by weight are added to 85 parts by weight
In the ethanol solution of magnesium sulfate, the sodium cetanesulfonate that 2 parts by weight are added after disperseing is sufficiently stirred, is being disperseed after ultrasonic disperse
70 parts by weight ammoniacal liquor are added in good suspension, obtain mixed liquor, it is anti-that the mixed liquor is transferred into constant temperature in 150 DEG C of water heating kettles
Should, question response carries out subsequent treatment after terminating, and obtains composite flame-retardant agent.
The preparation method of modified water glass：
After the waterglass of 30 parts by weight is mixed with 0.2 part of dodecyl sodium sulfate, 60 DEG C of stirring 10min, drop are heated to
Water-soluble poly ammonium phosphate mixing 15min is added after warming to room temperature, then is warming up to 80 DEG C of addition polyacrylamides and is well mixed
Modified waterglass is produced afterwards.
Embodiment 2
The preparation method of composite flame-retardant agent：
The CNT of the nano imvite of 10 parts by weight and 8 parts by weight is added to the second of the magnesium chloride of 80 parts by weight
In alcoholic solution, be sufficiently stirred it is scattered after add the sodium cetanesulfonates of 3 parts by weight, in scattered suspension after ultrasonic disperse
100 parts by weight ammoniacal liquor of middle addition, obtain mixed liquor, the mixed liquor are transferred into isothermal reaction in 180 DEG C of water heating kettles, question response knot
Subsequent treatment is carried out after beam, obtains composite flame-retardant agent.
The preparation method of modified water glass：
After the waterglass of 40 parts by weight is mixed with 0.6 part of dodecyl sodium sulfate, 50 DEG C of stirring 15min, drop are heated to
Water-soluble poly ammonium phosphate mixing 10min is added after warming to room temperature, then is warming up to 70 DEG C of addition polyacrylamides and is well mixed
Modified waterglass is produced afterwards.
Embodiment 3
A kind of fire-retardant polyphenyl insulation material of exterior wall, according to the number of parts by weight, including following components：60 parts of polystyrene,
6 parts of aerosil, 15 parts of modified water glass, 16 parts of flyash, 7 parts of hydroxyethyl ether cellulose, 6 parts of composite flame-retardant agent, egg
1 part of 4 parts of mixture, the magnesium stearate and 78 parts of water of white class foaming agent and ether.
Preparation method, comprise the following steps：
1) required polystyrene and aerosil are weighed by formula rate first, then heats both in steam
Mixed under conditions of 130 DEG C, obtain polystyrene Silica hydrogel mixture；
2) and then by the mixed of polystyrene Silica hydrogel mixture, composite flame-retardant agent, water and protide foaming agent and ether
Compound is added in foaming machine and foamed, and stirs and then add modified water glass, flyash, hydroxyethyl ether cellulose and stearic acid
Magnesium is mixed evenly, and obtains mixed slurry；
3) alkali-proof glass fiber mesh is laid in mold bottom, by mixed slurry pouring molding；Finally on slurry surface
One layer of grid cloth is repaved, natural curing forms.
Embodiment 4
A kind of fire-retardant polyphenyl insulation material of exterior wall, according to the number of parts by weight, including following components：50 parts of polystyrene,
4 parts of aerosil, 10 parts of modified water glass, 20 parts of flyash, 10 parts of hydroxyethyl ether cellulose, 4 parts of composite flame-retardant agent, egg
70 parts of 1 part of mixture, 0.5 part of odium stearate and the water of white class foaming agent and ether.
Preparation method, comprise the following steps：
1) required polystyrene and aerosil are weighed by formula rate first, then heats both in steam
Mixed under conditions of 100 DEG C, obtain polystyrene Silica hydrogel mixture；
2) and then by the mixed of polystyrene Silica hydrogel mixture, composite flame-retardant agent, water and protide foaming agent and ether
Compound is added in foaming machine and foamed, and stirs and then add modified water glass, flyash, hydroxyethyl ether cellulose and stearic acid
Salt is mixed evenly, and obtains mixed slurry；
3) alkali-proof glass fiber mesh is laid in mold bottom, by mixed slurry pouring molding；Finally on slurry surface
One layer of grid cloth is repaved, natural curing forms.
Embodiment 5
A kind of fire-retardant polyphenyl insulation material of exterior wall, according to the number of parts by weight, including following components：70 parts of polystyrene,
8 parts of aerosil, 20 parts of modified water glass, 10 parts of flyash, 5 parts of hydroxyethyl ether cellulose, 8 parts of composite flame-retardant agent, egg
1.5 parts of 5 parts of mixture, the magnesium stearate and 90 parts of water of white class foaming agent and ether.
Preparation method, comprise the following steps：
1) required polystyrene and aerosil are weighed by formula rate first, then heats both in steam
Mixed under conditions of 150 DEG C, obtain polystyrene Silica hydrogel mixture；
And then the mixture by polystyrene Silica hydrogel mixture, composite flame-retardant agent, water, protide foaming agent and ether 2)
Add in foaming machine and foam, stir and then add modified water glass, flyash, hydroxyethyl ether cellulose and magnesium stearate and mix
Conjunction stirs, and obtains mixed slurry；
3) alkali-proof glass fiber mesh is laid in mold bottom, by mixed slurry pouring molding；Finally on slurry surface
One layer of grid cloth is repaved, natural curing forms.
Test example
The properties of the fire-retardant polyphenyl insulation material of the exterior wall of embodiment 3~5 are tested according to corresponding standard,
As a result referring to table 1.
The performance test results of the embodiment of the present invention 3~5 of table 1
| Embodiment | Thermal conductivity factor (w/m.k) | Fire-protection rating |
| 3 | 0.011 | A1 |
| 4 | 0.008 | A1 |
| 5 | 0.012 | A1 |
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (6)
- A kind of 1. fire-retardant polyphenyl insulation material of exterior wall, it is characterised in that according to the number of parts by weight, including following components：50~70 parts of polystyrene, 4~8 parts of aerosil, 10~20 parts of modified water glass, 10~20 parts of flyash, hydroxyl 5~10 parts of ethylether cellulose, 4~8 parts of composite flame-retardant agent, 1~5 part of foaming agent, 0.5~1.5 part of stabilizer and water 70~90 Part；Wherein, the modified water glass is mainly by waterglass, lauryl sodium sulfate, polyacrylamide and water-soluble poly ammonium phosphate It is prepared, the composite flame-retardant agent is mainly prepared by magnesium salts, nano imvite and CNT.
- 2. the fire-retardant polyphenyl insulation material of exterior wall according to claim 1, it is characterised in that the preparation of the composite flame-retardant agent Method：The CNT of the nano imvite of 5~10 parts by weight and 3~8 parts by weight is added to the magnesium salts of 80~90 parts by weight Ethanol solution in, be sufficiently stirred it is scattered after add the sodium cetanesulfonates of 1~3 parts by weight, scattered after ultrasonic disperse Suspension in add 50~100 parts by weight ammoniacal liquor, obtain mixed liquor, the mixed liquor be transferred in 110~180 DEG C of water heating kettles Isothermal reaction, question response carry out subsequent treatment after terminating, obtain composite flame-retardant agent.
- 3. the fire-retardant polyphenyl insulation material of exterior wall according to claim 2, it is characterised in that the magnesium salts is magnesium chloride, sulphur One or more in sour magnesium, magnesium nitrate, the CNT are functionalized multi-wall carbonnanotubes.
- 4. the fire-retardant polyphenyl insulation material of exterior wall according to claim 1, it is characterised in that the preparation of the modified water glass Method：After the waterglass of 30~40 parts by weight is mixed with 0.2~0.6 part of dodecyl sodium sulfate, it is heated to 50 DEG C~60 DEG C and stirs 10~15min is mixed, adds water-soluble poly ammonium phosphate 10~15min of mixing after being cooled to room temperature, then be warming up to 70 DEG C~80 DEG C and add Enter polyacrylamide to carry out producing modified waterglass after being well mixed.
- 5. the fire-retardant polyphenyl insulation material of exterior wall according to claim 1, it is characterised in that the stabilizer is stearic acid Salt, the foaming agent are the mixture of protide foaming agent and ether.
- 6. the preparation method of the fire-retardant polyphenyl insulation material of exterior wall as claimed in claim 1, it is characterised in that including following step Suddenly：1) required polystyrene and aerosil are weighed by formula rate first, both are then heated 100 in steam Mixed under conditions of~150 DEG C, obtain polystyrene Silica hydrogel mixture；2) and then polystyrene Silica hydrogel mixture, composite flame-retardant agent, water and foaming agent are added in foaming machine and foamed, stirred Uniformly and then addition modified water glass, flyash, hydroxyethyl ether cellulose and stabilizer are mixed evenly, and obtain mixing slurry Material；3) alkali-proof glass fiber mesh is laid in mold bottom, by mixed slurry pouring molding；Finally repaved on slurry surface One layer of grid cloth, natural curing form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710657941.6A CN107445512A (en) | 2017-08-03 | 2017-08-03 | Fire-retardant polyphenyl insulation material of exterior wall and preparation method thereof |
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| CN201710657941.6A CN107445512A (en) | 2017-08-03 | 2017-08-03 | Fire-retardant polyphenyl insulation material of exterior wall and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821301A (en) * | 2018-06-08 | 2018-11-16 | 安徽艾米伦特建材科技有限公司 | Thermal insulation material modified montmorillonoid and preparation method thereof |
| CN112341209A (en) * | 2020-11-07 | 2021-02-09 | 郑州远东耐火材料有限公司 | Modified water glass adhesive for sand mold of zirconia-corundum fused brick and sand mold thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821301A (en) * | 2018-06-08 | 2018-11-16 | 安徽艾米伦特建材科技有限公司 | Thermal insulation material modified montmorillonoid and preparation method thereof |
| CN112341209A (en) * | 2020-11-07 | 2021-02-09 | 郑州远东耐火材料有限公司 | Modified water glass adhesive for sand mold of zirconia-corundum fused brick and sand mold thereof |
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