CN104844069B - A kind of building heat preservation flame-proof composite material and preparation method thereof - Google Patents
A kind of building heat preservation flame-proof composite material and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of building heat preservation flame-proof composite material and preparation method thereof, wherein composite includes following components: diatomite, alumina silicate, Merlon, pentaerythrite, precipitated calcium carbonate, silica, epoxychloropropane, phenolic resin, acrylic acid, carboxymethylcellulose calcium, Corvic, toluene di-isocyanate(TDI), sodium benzoate, titanate esters, organic hydrogen polysiloxanes.Preparation method is uniformly mixed for putting into diatomite, alumina silicate, Merlon, precipitated calcium carbonate and silica in mixer; it is then added in reactor; add pentaerythrite, epoxychloropropane, phenolic resin and carboxymethylcellulose calcium; heat up again remaining ingredient to be added after stirring and heat reaction under vacuum under conditions of inert gas shielding and obtain building heat preservation flame-proof composite material; this composite has good fire-retardant, insulation and compression strength, is greatly enlarged range of application.
Description
Technical field
The invention belongs to construction material preparation field, particularly to a kind of building heat preservation flame-proof composite material and preparation method thereof.
Background technology
It is very big that the current energy for building accounts for the ratio of world energy sources wastage in bulk or weight, about about 27%, the use of external-wall heat-insulation material can be saved huge energy and be reduced the discharge capacity of CO2, from this angle for, external wall outer insulation material can be described as green energy resource.Building industry uses thermal insulation material and has become as one of best approach saving the energy.For energy-intensive today, the good external-wall heat-insulation material of exploitation combination property is extremely urgent.
At present on China's external-wall heat-insulation material market, EPS (polystyrene foam), XPS (extruded polystyrene foam) and polyurethane foam board are most widely used.But this different materials also has unavoidable shortcoming as wall heat insulation material, i.e. their burning grade is B level, is combustible material, and security is not good.Usual civilian insulation material should use A level non-automatic incombustible material, but just sees in the market, and A level insulation material only has mineral wool, rock cotton board, foam glass, glass bead several.
The inorganic building material weight being currently used for exterior wall is big, and insulation, fire protecting performance difference easily come off, it is impossible to meet the requirement of modern architecture.And the fire-retardant heat-insulation material of organic, fire prevention, humidity resistance are poor, and weatherability difference, compressive property is not good, and work progress is complicated.
Content of the invention
It is an object of the invention to provide a kind of building heat preservation flame-proof composite material and preparation method thereof to overcome above the deficiencies in the prior art so that material has good fire-retardant and insulation effect, has good resistance to compression and weatherability simultaneously.
Technical scheme is as follows:
A kind of building heat preservation flame-proof composite material, includes: diatomite 20-30 part, alumina silicate 10-20 part by weight part, Merlon 5-10 part, pentaerythrite 3-8 part, precipitated calcium carbonate 2-6 part, silica 3-7 part, epoxychloropropane 4-10 part, phenolic resin 10-15 part, acrylic acid 1-3 part, carboxymethylcellulose calcium 3-8 part, Corvic 2-7 part, toluene di-isocyanate(TDI) 3-6 part, sodium benzoate 2-8 part, titanate esters 3-8 part, organic hydrogen polysiloxanes 3-9 part.
Above-described building heat preservation flame-proof composite material, it may be preferred to for including by weight part: diatomite 24-28 part, alumina silicate 13-17 part, Merlon 6-8 part, pentaerythrite 5-7 part, precipitated calcium carbonate 3-5 part, silica 4-6 part, epoxychloropropane 5-8 part, phenolic resin 12-14 part, acrylic acid 2-3 part, carboxymethylcellulose calcium 6-8 part, Corvic 4-6 part, toluene di-isocyanate(TDI) 4-6 part, sodium benzoate 3-7 part, titanate esters 5-7 part, organic hydrogen polysiloxanes 6-9 part.
Above-described building heat preservation flame-proof composite material, described silica can be nano silicon.
The preparation method of more than one described building heat preservation flame-proof composite materials, follows the steps below preparation:
Step one, weighs each component according to weight portion；
Step 2, puts into diatomite, alumina silicate, Merlon, precipitated calcium carbonate and silica in mixer and is uniformly mixed, obtain mixture one；
Step 3, the mixture after mixing step 2 joins in reactor, adds pentaerythrite, epoxychloropropane, phenolic resin and carboxymethylcellulose calcium, is warming up to 70-80 DEG C under conditions of inert gas shielding, stirs 40-60 minute, obtains mixture two；
Step 4, acrylic acid, Corvic, toluene di-isocyanate(TDI), sodium benzoate, titanate esters are joined in the mixture two that step 3 obtains, heated under vacuum is to 70-80 DEG C, stirring 20-30 minute, then keep vacuum to be cooled to 50-60 DEG C, add organic hydrogen polysiloxanes, continue stirring 60-90 minute, it is down to room temperature, obtain building heat preservation flame-proof composite material.
The preparation method of described building heat preservation flame-proof composite material, the mixing speed being uniformly mixed in step 2 can be 180-200 rev/min, time 30-50 minute.
The preparation method of described building heat preservation flame-proof composite material, in step 3, inert gas can be nitrogen or argon gas.
The preparation method of described building heat preservation flame-proof composite material, in step 4, the vacuum of vacuum condition can be 0.02-0.05MPa.
The building heat preservation flame-proof composite material that the present invention provides is prepared by specific component proportion and specific method, its fire resistance has reached A level, thermal conductivity factor has reached below 0.026 W/m K, compression strength has reached more than 10MPa simultaneously, it is without exception that resistance to neutral salt spray test has reached 2000h surface, is greatly enlarged the range of application of this material.
Detailed description of the invention:
Embodiment 1
A kind of building heat preservation flame-proof composite material, includes: 20 parts of diatomite, alumina silicate 10 parts by weight part, Merlon 5 parts, pentaerythrite 3 parts, precipitated calcium carbonate 2 parts, silica 3 parts, epoxychloropropane 4 parts, 10 parts of phenolic resin, 1 part of acrylic acid, carboxymethylcellulose calcium 3 parts, Corvic 2 parts, toluene di-isocyanate(TDI) 3 parts, sodium benzoate 2 parts, titanate esters 3 parts, organic hydrogen polysiloxanes 3 parts.
The preparation method of above-described building heat preservation flame-proof composite material, follows the steps below preparation:
Step one, weighs each component according to weight portion；
Step 2, puts into diatomite, alumina silicate, Merlon, precipitated calcium carbonate and silica in mixer and is uniformly mixed, and obtains mixture one, and wherein mixing speed is 180 revs/min, 30 minutes time；
Step 3, the mixture after mixing step 2 joins in reactor, adds pentaerythrite, epoxychloropropane, phenolic resin and carboxymethylcellulose calcium, is warming up to 70 DEG C, stirs 40 minutes, obtain mixture two under conditions of nitrogen is protected；
Step 4, acrylic acid, Corvic, toluene di-isocyanate(TDI), sodium benzoate, titanate esters are joined in the mixture two that step 3 obtains, it is heated to 70 DEG C under conditions of vacuum is 0.02MPa, stir 20 minutes, then keep vacuum to be cooled to 50 DEG C, add organic hydrogen polysiloxanes, continue stirring 60 minutes, it is down to room temperature, obtain building heat preservation flame-proof composite material.
Embodiment 2
A kind of building heat preservation flame-proof composite material, includes: 24 parts of diatomite, alumina silicate 13 parts by weight part, Merlon 6 parts, pentaerythrite 5 parts, precipitated calcium carbonate 3 parts, nano silicon 4 parts, epoxychloropropane 5 parts, 12 parts of phenolic resin, 2 parts of acrylic acid, carboxymethylcellulose calcium 6 parts, Corvic 4 parts, toluene di-isocyanate(TDI) 4 parts, sodium benzoate 3 parts, titanate esters 5 parts, organic hydrogen polysiloxanes 6 parts.
The preparation method of above-described building heat preservation flame-proof composite material, follows the steps below preparation:
Step one, weighs each component according to weight portion；
Step 2, puts into diatomite, alumina silicate, Merlon, precipitated calcium carbonate and nano silicon in mixer and is uniformly mixed, and obtains mixture one, and wherein mixing speed is 185 revs/min, 36 minutes time；
Step 3, the mixture after mixing step 2 joins in reactor, adds pentaerythrite, epoxychloropropane, phenolic resin and carboxymethylcellulose calcium, is warming up to 72 DEG C, stirs 45 minutes, obtain mixture two under conditions of argon shield；
Step 4, acrylic acid, Corvic, toluene di-isocyanate(TDI), sodium benzoate, titanate esters are joined in the mixture two that step 3 obtains, it is heated to 75 DEG C under conditions of vacuum is 0.03MPa, stir 23 minutes, then keep vacuum to be cooled to 55 DEG C, add organic hydrogen polysiloxanes, continue stirring 68 minutes, it is down to room temperature, obtain building heat preservation flame-proof composite material.
Embodiment 3
A kind of building heat preservation flame-proof composite material, includes: 26 parts of diatomite, alumina silicate 15 parts by weight part, Merlon 7 parts, pentaerythrite 6 parts, precipitated calcium carbonate 4 parts, nano silicon 5 parts, epoxychloropropane 7 parts, 13 parts of phenolic resin, 3 parts of acrylic acid, carboxymethylcellulose calcium 7 parts, Corvic 5 parts, toluene di-isocyanate(TDI) 5 parts, sodium benzoate 6 parts, titanate esters 6 parts, organic hydrogen polysiloxanes 8 parts.
The preparation method of above-described building heat preservation flame-proof composite material, follows the steps below preparation:
Step one, weighs each component according to weight portion；
Step 2, puts into diatomite, alumina silicate, Merlon, precipitated calcium carbonate and nano silicon in mixer and is uniformly mixed, and obtains mixture one, and wherein mixing speed is 190 revs/min, 45 minutes time；
Step 3, the mixture after mixing step 2 joins in reactor, adds pentaerythrite, epoxychloropropane, phenolic resin and carboxymethylcellulose calcium, is warming up to 78 DEG C, stirs 50 minutes, obtain mixture two under conditions of nitrogen is protected；
Step 4, acrylic acid, Corvic, toluene di-isocyanate(TDI), sodium benzoate, titanate esters are joined in the mixture two that step 3 obtains, it is heated to 76 DEG C under conditions of vacuum is 0.03MPa, stir 25 minutes, then keep vacuum to be cooled to 56 DEG C, add organic hydrogen polysiloxanes, continue stirring 80 minutes, it is down to room temperature, obtain building heat preservation flame-proof composite material.
Embodiment 4
A kind of building heat preservation flame-proof composite material, includes: 28 parts of diatomite, alumina silicate 17 parts by weight part, Merlon 8 parts, pentaerythrite 7 parts, precipitated calcium carbonate 5 parts, nano silicon 6 parts, epoxychloropropane 8 parts, 14 parts of phenolic resin, 3 parts of acrylic acid, carboxymethylcellulose calcium 8 parts, Corvic 6 parts, toluene di-isocyanate(TDI) 6 parts, sodium benzoate 7 parts, titanate esters 7 parts, organic hydrogen polysiloxanes 9 parts.
The preparation method of above-described building heat preservation flame-proof composite material, follows the steps below preparation:
Step one, weighs each component according to weight portion；
Step 2, puts into diatomite, alumina silicate, Merlon, precipitated calcium carbonate and nano silicon in mixer and is uniformly mixed, and obtains mixture one, and wherein mixing speed is 195 revs/min, 48 minutes time；
Step 3, the mixture after mixing step 2 joins in reactor, adds pentaerythrite, epoxychloropropane, phenolic resin and carboxymethylcellulose calcium, is warming up to 80 DEG C, stirs 55 minutes, obtain mixture two under conditions of nitrogen is protected；
Step 4, acrylic acid, Corvic, toluene di-isocyanate(TDI), sodium benzoate, titanate esters are joined in the mixture two that step 3 obtains, it is heated to 76 DEG C under conditions of vacuum is 0.04MPa, stir 28 minutes, then keep vacuum to be cooled to 60 DEG C, add organic hydrogen polysiloxanes, continue stirring 80 minutes, it is down to room temperature, obtain building heat preservation flame-proof composite material.
Embodiment 5
A kind of building heat preservation flame-proof composite material, includes: 30 parts of diatomite, alumina silicate 20 parts by weight part, Merlon 10 parts, pentaerythrite 8 parts, precipitated calcium carbonate 6 parts, nano silicon 7 parts, epoxychloropropane 10 parts, 15 parts of phenolic resin, 3 parts of acrylic acid, carboxymethylcellulose calcium 8 parts, Corvic 7 parts, toluene di-isocyanate(TDI) 6 parts, sodium benzoate 8 parts, titanate esters 8 parts, organic hydrogen polysiloxanes 9 parts.
The preparation method of above-described building heat preservation flame-proof composite material, follows the steps below preparation:
Step one, weighs each component according to weight portion；；
Step 2, puts into diatomite, alumina silicate, Merlon, precipitated calcium carbonate and nano silicon in mixer and is uniformly mixed, and obtains mixture one, and wherein mixing speed is 200 revs/min, 50 minutes time；
Step 3, the mixture after mixing step 2 joins in reactor, adds pentaerythrite, epoxychloropropane, phenolic resin and carboxymethylcellulose calcium, is warming up to 80 DEG C, stirs 60 minutes, obtain mixture two under conditions of argon shield；
Step 4, acrylic acid, Corvic, toluene di-isocyanate(TDI), sodium benzoate, titanate esters are joined in the mixture two that step 3 obtains, it is heated to 80 DEG C under conditions of vacuum is 0.05MPa, stir 30 minutes, then keep vacuum to be cooled to 60 DEG C, add organic hydrogen polysiloxanes, continue stirring 90 minutes, it is down to room temperature, obtain building heat preservation flame-proof composite material.
Reference examples 1
A kind of building heat preservation flame-proof composite material, includes: 26 parts of diatomite, alumina silicate 15 parts by weight part, Merlon 7 parts, pentaerythrite 6 parts, precipitated calcium carbonate 4 parts, nano silicon 5 parts, epoxychloropropane 7 parts, 13 parts of phenolic resin, 3 parts of acrylic acid, carboxymethylcellulose calcium 7 parts, Corvic 5 parts, toluene di-isocyanate(TDI) 5 parts, sodium benzoate 6 parts, titanate esters 6 parts, organic hydrogen polysiloxanes 8 parts.
The preparation method of above-described building heat preservation flame-proof composite material, follows the steps below preparation:
Step one, weighs each component according to weight portion；
Step 2, puts into diatomite, alumina silicate, Merlon, precipitated calcium carbonate and nano silicon in mixer and is uniformly mixed, and obtains mixture one, and wherein mixing speed is 190 revs/min, 45 minutes time；
Step 3, the mixture after mixing step 2 joins in reactor, adds pentaerythrite, epoxychloropropane, phenolic resin and carboxymethylcellulose calcium, is warming up to 78 DEG C, stirs 50 minutes, obtain mixture two under conditions of nitrogen is protected；
Step 4, acrylic acid, Corvic, toluene di-isocyanate(TDI), sodium benzoate, titanate esters, organic hydrogen polysiloxanes are joined in the mixture two that step 3 obtains, it is heated to 76 DEG C, stir 25 minutes, continue stirring 80 minutes, it is down to room temperature, obtain building heat preservation flame-proof composite material.
Reference examples 2
A kind of building heat preservation flame-proof composite material, includes: 26 parts of diatomite, alumina silicate 15 parts by weight part, pentaerythrite 6 parts, precipitated calcium carbonate 4 parts, nano silicon 5 parts, epoxychloropropane 7 parts, 13 parts of phenolic resin, 3 parts of acrylic acid, carboxymethylcellulose calcium 7 parts, Corvic 5 parts, toluene di-isocyanate(TDI) 5 parts, titanate esters 6 parts, organic hydrogen polysiloxanes 8 parts.
The preparation method of above-described building heat preservation flame-proof composite material, follows the steps below preparation:
Step one, weighs each component according to weight portion；
Step 2, puts into diatomite, alumina silicate, precipitated calcium carbonate and nano silicon in mixer and is uniformly mixed, and obtains mixture one, and wherein mixing speed is 190 revs/min, 45 minutes time；
Step 3, the mixture after mixing step 2 joins in reactor, adds pentaerythrite, epoxychloropropane, phenolic resin and carboxymethylcellulose calcium, is warming up to 78 DEG C, stirs 50 minutes, obtain mixture two under conditions of nitrogen is protected；
Step 4, acrylic acid, Corvic, toluene di-isocyanate(TDI), titanate esters are joined in the mixture two that step 3 obtains, it is heated to 76 DEG C under conditions of vacuum is 0.03MPa, stir 25 minutes, then keep vacuum to be cooled to 56 DEG C, add organic hydrogen polysiloxanes, continue stirring 80 minutes, it is down to room temperature, obtain building heat preservation flame-proof composite material.
The building heat preservation flame-proof composite material preparing above example and comparative example carries out performance test, and result is as follows:
| Project | Fire resistance/level | Thermal conductivity factor/W/m K | Compression strength/MPa | Resistance to neutral salt spray/h(5%NaCl solution) |
| Embodiment 1 | A level | 0.026 | 10 | 2000h surface is without exception |
| Embodiment 2 | A level | 0.021 | 13 | 2000h surface is without exception |
| Embodiment 3 | A level | 0.017 | 15 | 2000h surface is without exception |
| Embodiment 4 | A level | 0.022 | 14 | 2000h surface is without exception |
| Embodiment 5 | A level | 0.025 | 12 | 2000h surface is without exception |
| Reference examples 1 | A level | 0.085 | 10 | 2000h surface color changes |
| Reference examples 2 | A level | 0.042 | 6 | 2000h surface is without exception |
Can be seen that from above result of the test, the building heat preservation flame-proof composite material that the present invention provides has good fire resistance and heat-insulating property, material has good compression strength and resistance to neutral salt spray performance simultaneously, and reference examples 1 and reference examples 2 are the further proving tests carrying out on the basis of embodiment 3, reference examples 1 does not wherein carry out in preparation process four hybrid reaction under vacuum condition, and directly by acrylic acid, Corvic, toluene di-isocyanate(TDI), sodium benzoate, titanate esters, organic hydrogen polysiloxanes joins in the mixture two that step 3 obtains, it is heated to 76 DEG C, stir 25 minutes, continue stirring 80 minutes, it is down to room temperature；Result causes final products thermal conductivity factor substantially to rise, and simultaneously resistance to neutral salt spray is substantially deteriorated；Therefore can draw, the hybrid reaction of vacuum condition and add organic hydrogen polysiloxanes that the product finally giving can be made to have good properties under given conditions.Reference examples 2 does not add Merlon and sodium benzoate, other processes are same as in Example 3, result causes the thermal conductivity factor of final products to raise, compression strength declines, it can be said that the introducing of bright both components serves the effect strengthening heat-insulating property and compression strength in composite prepared by the present invention.
Claims (6)
1. the preparation method of a building heat preservation flame-proof composite material, it is characterized in that, include by weight part: diatomite 20-30 part, alumina silicate 10-20 part, Merlon 5-10 part, pentaerythrite 3-8 part, precipitated calcium carbonate 2-6 part, silica 3-7 part, epoxychloropropane 4-10 part, phenolic resin 10-15 part, acrylic acid 1-3 part, carboxymethylcellulose calcium 3-8 part, Corvic 2-7 part, toluene di-isocyanate(TDI) 3-6 part, sodium benzoate 2-8 part, titanate esters 3-8 part, organic hydrogen polysiloxanes 3-9 part；Follow the steps below preparation:
Step one, weighs each component according to weight portion；
Step 2, puts into diatomite, alumina silicate, Merlon, precipitated calcium carbonate and silica in mixer and is uniformly mixed, obtain mixture one；
Step 3, the mixture after mixing step 2 joins in reactor, adds pentaerythrite, epoxychloropropane, phenolic resin and carboxymethylcellulose calcium, is warming up to 70-80 DEG C under conditions of inert gas shielding, stirs 40-60 minute, obtains mixture two；
Step 4, acrylic acid, Corvic, toluene di-isocyanate(TDI), sodium benzoate, titanate esters are joined in the mixture two that step 3 obtains, heated under vacuum is to 70-80 DEG C, stirring 20-30 minute, then keep vacuum to be cooled to 50-60 DEG C, add organic hydrogen polysiloxanes, continue stirring 60-90 minute, it is down to room temperature, obtain building heat preservation flame-proof composite material.
2. the preparation method of building heat preservation flame-proof composite material according to claim 1, it is characterized in that, include by weight part: diatomite 24-28 part, alumina silicate 13-17 part, Merlon 6-8 part, pentaerythrite 5-7 part, precipitated calcium carbonate 3-5 part, silica 4-6 part, epoxychloropropane 5-8 part, phenolic resin 12-14 part, acrylic acid 2-3 part, carboxymethylcellulose calcium 6-8 part, Corvic 4-6 part, toluene di-isocyanate(TDI) 4-6 part, sodium benzoate 3-7 part, titanate esters 5-7 part, organic hydrogen polysiloxanes 6-9 part.
3. the preparation method of building heat preservation flame-proof composite material according to claim 1 and 2, it is characterised in that described silica is nano silicon.
4. the preparation method of building heat preservation flame-proof composite material according to claim 1, it is characterised in that the mixing speed being uniformly mixed in step 2 is 180-200 rev/min, time 30-50 minute.
5. the preparation method of building heat preservation flame-proof composite material according to claim 1, it is characterised in that in step 3, inert gas is nitrogen or argon gas.
6. the preparation method of building heat preservation flame-proof composite material according to claim 1, it is characterised in that in step 4, the vacuum of vacuum condition is 0.02-0.05MPa.
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| CN106747579A (en) * | 2016-12-01 | 2017-05-31 | 芜湖浩权建筑工程有限公司 | A kind of fire-retardant building heat preservation composite and preparation method thereof |
| CN108164966A (en) * | 2018-01-10 | 2018-06-15 | 苏州研姿材料科技有限公司 | A kind of environmental protection and energy-saving building Side fascia and preparation method thereof |
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| CN103304255A (en) * | 2012-03-12 | 2013-09-18 | 于斌 | Innovative flame-retardant, water-proof, mildew-proof and radiation-proof insulating mortar and product |
| CN102718450B (en) * | 2012-06-08 | 2014-03-19 | 青岛科瑞新型环保材料有限公司 | Heat insulation core board for walls and method for processing heat insulation core board for walls |
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