CN104086150B - A kind of heat insulation aerogel material of building heat preservation and preparation method - Google Patents
A kind of heat insulation aerogel material of building heat preservation and preparation method Download PDFInfo
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- CN104086150B CN104086150B CN201410329168.7A CN201410329168A CN104086150B CN 104086150 B CN104086150 B CN 104086150B CN 201410329168 A CN201410329168 A CN 201410329168A CN 104086150 B CN104086150 B CN 104086150B
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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Abstract
A kind of heat insulation aerogel material of building heat preservation and preparation method.The heat insulation aerogel material of described building heat preservation is characterized in that raw material composition (weight portion) is: silicon dioxide gel 70-90 part, polyvinyl alcohol hot melt adhesive 10-28 part, water-repelling agent 1-2 part.The present invention is based on silicon dioxide gel, with polyvinyl alcohol hot melt adhesive for thermoplasticity melten gel body, with noble gas for supporter, by the TRANSIENT HIGH TEMPERATURE of continuous kneading formula spiro rod reaction machine, high pressure, making gel be extruded in recipient, the liquid component in wet gel produces to expand because of the evaporation of moment at die orifice, and while liquid component volatilizees, noble gas is as aeroge supporter, guarantee the framing structure not collapse that aeroge is complete, complete the wet gel transformation to aeroge.Preparation technology of the present invention avoids the complicated technology of supercritical drying, the defect that when it also avoid constant pressure and dry, aerogel pores road subsides.Production technology is simple, stable operation, can large-scale production continuously, the aeroge intensity obtained is good, porosity is high, excellent thermal insulation performance, can be applicable to the fields such as building heat preservation sheet material, thermal insulation mortar, thermal insulation coatings.
Description
Technical field
The present invention relates to building heat preservation heat-barrier material field, be specifically related to a kind of heat insulation aerogel material of building heat preservation and preparation method.
Background technology
Energy problem of the world today has become as the significant problem interfereed with the development, owing to architectural energy consumption accounts for 30%～40% in whole energy resource consumption, so building energy conservation is significant.Building heat preservation heat-barrier material is important measures of building energy conservation, and the thermal retardation form that domestic market is most widely used is external wall outer insulation, and owing to organic insulation material heat conductivity is low, heat preservation and insulation is good, is widely used in building energy conservation at present.But organic insulation material also exists all drawbacks, such as raw material uses petroleum resources, the feature of environmental protection is poor, inflammable, weatherability is poor, easily aging etc..Especially with popularization and application further deeply, the inflammable defect of organic insulation material progressively exposes, the serious safety threatening people.Therefore the insulation material that low thermal conductivity, high temperature do not fire becomes the development trend in building thermal-insulation energy-saving field.
Aeroge has three-D nano-porous structure, and hole ratio is high, and specific surface area is big, thermal conductivity is low, is the solid-state material that current thermal conductivity is minimum, has heat-insulating property and the fire protecting performance of excellence, it is the ideal substitute of Conventional insulation, has a good application prospect, shown great attention to by domestic and international.But aeroge is because of its complicated process of preparation, and production cost is expensive, all the time only in high-end field application such as space flight and aviation, military project, medical carriers.It is applied to building thermal-insulation energy-saving field face and the bottleneck restriction that cost is high, yield poorly.At present, the preparation of aeroge is generally processed by sol-gel process and supercritical drying, in sol-gel process, by controlling the poly-condensation and hydrolysis condition of solution, the nano atomic group of multi-pore channel structure is formed in solution, between nano atomic group, mutually bonding forms gelinite, is then full of remaining liquid reagent after chemical reaction around the solid-state skeleton of gelinite.In order to prevent Micro-v oid in gel drying process from subsiding, supercritical drying process is generally adopted to process.Supercritical drying process can keep the porous network structure of gel preferably, but the condition needed for supercritical drying is very harsh, manufacturing cycle length consuming time, and equipment requirements is high, and energy consumption is big, it is impossible to realizes producing continuously, causes that the price of aerogel products is extremely expensive.Although aeroge has good insulation, heat insulation, fire protecting performance, but the aeroge that prior art produces is due to high cost, it is impossible in building heat preservation field large-scale application.In order to break through aeroge restriction of cost in building heat preservation heat insulation field application, in recent years, constantly occur in that employing extremal stability method prepares aeroge.
China Patent Publication No. is CN102557577A a kind of preparation and the method disclosing silicon dioxide silica aerogel composite material.The method fiber does reinforcing material, and by washing, segmentation constant pressure and dry obtains aerosil under different temperatures, not only needs a large amount of solvent, and length consuming time.
China Patent Publication No. is the CN201310000374 low cost preparation method disclosing a kind of aerosil.The preparation of this aeroge adopts surfactant, liquid/gas interface eliminates or is converted into the interface of less adhesive force, it is made in dry run, the integrated degree of network structure to be destroyed in limited range, but along with the size with a large amount of tiny pores that increases of aeroge duct rate is in nanoscale, capillary effect causes dry difficulty, and is difficult to obtain the aeroge of porous.
Up to the present, adopt extremal stability method to prepare aeroge technology be concentrated mainly on the support strength improving gel structure network structure and reduce the impact of capillary absorption power, comparatively ripe technical scheme is had not yet been formed, it is impossible to be that aerogel material dries being completely secured that the non-destructive premise of aeroge network structure is issued to.Proposing a kind of technical scheme for this present invention, so as to reaching, aeroge is continuous drying, the key index of high intensity, low cost.Make aerogel material can substitute the application in external thermal insulation system of the existing organic heat-insulating plate; substitute inorganic glass bead and be applied to thermal insulation mortar; being mixed into coating causes coating to possess heat insulating effect, reaches the aerogel material extensive use in wall thermal insulating field.
Summary of the invention
The present invention is directed to that current aeroge intensity is low, the defect of complicated process of preparation, cost intensive, it is provided that a kind of heat insulation aerogel material of building heat preservation that can be used for building energy saving field.The heat insulation aeroge of described building heat preservation is made up of silicon dioxide gel and polyvinyl alcohol hot melt adhesive.
The preparation method that it is a further object of the present invention to provide the heat insulation aerogel material of a kind of building heat preservation, the method is based on silicon dioxide gel, with polyvinyl alcohol hot melt adhesive for thermoplasticity melten gel body, with noble gas for supporter, TRANSIENT HIGH TEMPERATURE by continuous kneading formula spiro rod reaction machine, high pressure, gel is made to be extruded in recipient, liquid component in wet gel produces to expand because of the evaporation of moment at die orifice, while liquid component volatilizees, noble gas is as aeroge supporter, guarantee the framing structure not collapse that aeroge is complete, complete the wet gel transformation to aeroge.
The heat insulation aeroge of one building heat preservation of the present invention, it is provided that following solution:
1, the heat insulation aerogel material of one building heat preservation of the present invention, it is characterised in that raw material composition (weight portion) is: silicon dioxide gel 70-90 part, polyvinyl alcohol hot melt adhesive 10-28 part, water-repelling agent 1-2 part.
2, above-mentioned silicon dioxide gel is the colloidal sol obtained by methyl silicate or teos hydrolysis, solid content 50-60%.
3, above-mentioned polyvinyl alcohol hot melt adhesive is to be ground attritive powder that is modified and that obtain by polyvinyl alcohol, glycerol, Polyethylene glycol-2000, cross-linking agent by mechanical force and chemical, wherein the 17-88 of fineness 200 order, alcoholysis degree 87%～89% selected by polyvinyl alcohol, and cross-linking agent is at least one in adipic acid, succinic acid, maleic anhydride, Borax.
4, water-repelling agent described above is at least one in isopropoxy three (dioctyl pyrophosphate) titanium, second two ester group (dioctyl pyrophosphate) titanium, distearyl ethylene titanium.
5, the preparation method of the heat insulation aerogel material of a kind of building heat preservation of the present invention has the following steps:
(1) silicon dioxide gel is prepared；
(2) polyvinyl alcohol hot melt adhesive is prepared；
(3) ageing wet gel is prepared；
(4) the heat insulation aeroge of building heat preservation is prepared.
6, silicon dioxide gel is prepared described in method prepared as above, it is that the methyl silicate of 50-60 weight portion or tetraethyl orthosilicate, 20-30 weight portion alcoholic solvent are joined in container and stir 5-10 minute, add 5-10 weight portion MTES, add 10-15 part water, stir 3-5 minute, adding hydrochloric acid conditioning solution pH is 3-5, sets container oil temperature heating-up temperature 80-100 DEG C and continues stirring hydrolysis 30-60 minute and obtain.
7, the preparation polyvinyl alcohol hot melt adhesive described in method prepared as above, it is that the polyvinyl alcohol of 80-90 part, 5-10 part glycerol, 2-8 part Polyethylene glycol-2000,1-3 part cross-linking agent are ground modified by mechanical force and chemical and obtain, grinder adopts erratic current grinding mill, polyvinyl alcohol and the abundant stripping reaction of modifying agent is made by vortex flow, and by rotary tray motor governor adjust rotary speed be 1000-1200r/min, it is that the pva powder reaching certain particle size and reaction is discharged continuously, there is the production effect of continuous high-efficient.
8, the preparation ageing wet gel described in method prepared as above, it is that 10-28 weight account polyethylene alcohol PUR, 1-2 part water-repelling agent are added 70-90 part silicon dioxide gel liquid, adding triethanolamine adjustment pH value is 8～10, stir, polyvinyl alcohol hot melt adhesive at high temperature has thermoplasticity, there is dissolubility in aqueous solvent simultaneously, wet gel can be dispersed in, be then placed in airtight ageing tank ageing and obtain ageing wet gel in 24 hours.
9, the heat insulation aeroge of building heat preservation is prepared described in method prepared as above, continuous kneading formula spiro rod reaction machine drum body temperature is risen to 100-120 DEG C, open circulating cooling water valve, control flypress temperature and maintain 100-120 DEG C, ageing wet gel is added continuous kneading formula spiro rod reaction machine, wet gel is continuously added spiro rod reaction machine, pump into inert gas source simultaneously, wet gel becomes instantaneous molten state under the stretching of polyvinyl alcohol hot melt adhesive, the wet gel of entrance die head produces to expand because of the evaporation of moment at die orifice due to liquid component, while liquid component volatilizees, noble gas is as aeroge supporter, complete the wet gel transformation to aeroge, cut off by pelleter and form uniform graininess aeroge.
10, inert gas source described above is sodium bicarbonate, and it pumps into when wet gel enters die head, sustained release noble gas under instantaneous high pressure, hot conditions, it is ensured that the framing structure not collapse that aeroge is complete.
11, continuous kneading formula spiro rod reaction machine described above is tapering type single-screw machine, screw diameter is reduced to Φ 40mm from being fed to discharging by Φ 60cm, screw slenderness ratio is 5:1 8:1, melt material can be carried out Fast Compression by it, the wetting agents such as water are made to be evaporated from organizational structure rapidly, make wet gel be internally formed countless microcellular structure, there is continuous high-efficient devolatilization function.
The present invention assists using thermoplasticity melten gel body as molten state, using noble gas as support, achieves the heat insulation aerogel material of production building heat preservation continuous, efficient by kneading formula spiro rod reaction machine, its prominent being characterized in that:
1, intensity is good.The thermoplasticity melten gel body not only assisted gas gel rapid draing in the molten state that the present invention uses, and after aeroge is formed, thermoplasticity melten gel body forms continuous print network structure, reaches aerogel material toughness reinforcing.
2, porosity is high, excellent thermal insulation performance.The present invention adopts inert gas source, in aeroge Quick drainage process, and sustainable supply source of the gas, maintaining complete aeroge nano bone shelf structure, heat conductivity is lower than 0.02W/ (mK), and porosity can more than 96%, specific surface area, more than 800m2/g, has fabulous thermal and insulating performance.
3, production technology is simply efficient.The present invention continuous kneading formula spiro rod reaction machine makes wet gel wink-dry produce to expand, while liquid component volatilizees, noble gas is as aeroge supporter, guarantee the framing structure not collapse that aeroge is complete, complete the wet gel transformation to aeroge, preparation technology avoids the complicated technology of supercritical drying, the defect that when it also avoid constant pressure and dry, aerogel pores road subsides.Production technology is simple, stable operation, can large-scale production continuously.
4, it is widely used.The present invention have can the feature of large-scale production continuously, effectively reduce aeroge cost, promote, in building energy saving field extensive use, to can be applicable to the fields such as heat preservation plate material, thermal insulation mortar, thermal insulation coatings.
Detailed description of the invention
Below by way of detailed description of the invention, the present invention is described in further detail, but this should not being interpreted as, the scope of the present invention is only limitted to Examples below.When without departing from said method thought of the present invention, the various replacements made according to ordinary skill knowledge and customary means or change, should be included in the scope of the present invention.
Embodiment 1
1) methyl silicate of 60 weight portions, 20 weight portion ethylene glycol are joined in container and stir 10 minutes, add 10 weight portion MTESs, add 10 parts of water, stir 3 minutes, adding hydrochloric acid conditioning solution pH is 5, set container oil temperature heating-up temperature 100 DEG C and continue stirring hydrolysis 60 minutes, obtain silicon dioxide gel；
2) 1788,10 parts of glycerol of polyvinyl alcohol of 80 parts, 2 parts of Polyethylene glycol-2000s, 1 part of Borax are obtained polyvinyl alcohol hot melt adhesive powder by grinding to modifiy；
3) 10 weight account polyethylene alcohol PUR powder, 2 parts of second two ester group (dioctyl pyrophosphate) titaniums are added 88 parts of silicon dioxide gel liquid, adding triethanolamine adjustment pH value is 10, stir, polyvinyl alcohol hot melt adhesive powder is dispersed in wet gel, is then placed in airtight ageing tank ageing and obtains ageing wet gel in 24 hours；
4) continuous for JS-60 type kneading formula spiro rod reaction machine drum body temperature is risen to 120 DEG C, open circulating cooling water valve, control flypress temperature and maintain 120 DEG C, ageing wet gel is added continuous kneading formula spiro rod reaction machine, wet gel is continuously added spiro rod reaction machine, pump into inert gas source simultaneously, wet gel becomes instantaneous molten state under the stretching of polyvinyl alcohol hot melt adhesive, the wet gel of entrance die head produces to expand because of the evaporation of moment at die orifice due to liquid component, while liquid component volatilizees, noble gas is as aeroge supporter, complete the wet gel transformation to aeroge, cut off by pelleter and form uniform graininess aeroge.
By testing property indices such as following table:
| Inspection project | Standard-required | The present embodiment test result |
| Porosity | ≥96% | 98 |
| Internal aperture | ≤60nm | 20 |
| Heat conductivity | ≤0.02 W/(m·K) | 0.015 |
| Specific surface area | ≥800 m2/g | 960 |
| Elastic modelling quantity | ≥10MPa | 23 |
After this aeroge is mixed cement plate according to volume ratio 30%, the heat conductivity of cement plate is reduced to 0.2W/ (m K) by 0.8W/ (m K).
Embodiment 2
1) tetraethyl orthosilicate of 55 weight portions, 20 weight portion ethylene glycol are joined in container and stir 10 minutes, add 10 weight portion MTESs, add 15 parts of water, stir 3 minutes, adding hydrochloric acid conditioning solution pH is 5, set container oil temperature heating-up temperature 100 DEG C and continue stirring hydrolysis 50 minutes, obtain silicon dioxide gel；
2) polyvinyl alcohol 1788,5 glycerol of 90 parts, 2 parts of Polyethylene glycol-2000s, 3 parts of succinic acid are obtained polyvinyl alcohol hot melt adhesive powder by grinding to modifiy；
3) 25 parts of polyvinyl alcohol hot melt adhesive powder, 2 parts of isopropoxy three (dioctyl pyrophosphate) titaniums are added 73 parts of silicon dioxide gel liquid, adding triethanolamine adjustment pH value is 10, stir, polyvinyl alcohol hot melt adhesive powder is dispersed in wet gel, is then placed in airtight ageing tank ageing and obtains ageing wet gel in 24 hours；
4) continuous for JS-60 type kneading formula spiro rod reaction machine drum body temperature is risen to 120 DEG C, open circulating cooling water valve, control flypress temperature and maintain 120 DEG C, ageing wet gel is added continuous kneading formula spiro rod reaction machine, wet gel is continuously added spiro rod reaction machine, pump into inert gas source simultaneously, wet gel becomes instantaneous molten state under the stretching of polyvinyl alcohol hot melt adhesive, the wet gel of entrance die head produces to expand because of the evaporation of moment at die orifice due to liquid component, while liquid component volatilizees, noble gas is as aeroge supporter, complete the wet gel transformation to aeroge, cut off by pelleter and form uniform graininess aeroge, aeroge is diametrically the spherical of 3-5mm.
By testing property indices such as following table:
| Inspection project | Standard-required | The present embodiment test result |
| Porosity | ≥96% | 98 |
| Internal aperture | ≤60nm | 15 |
| Heat conductivity | ≤0.02 W/(m·K) | 0.018 |
| Specific surface area | ≥800 m2/g | 1000 |
| Elastic modelling quantity | ≥10MPa | 35 |
By this aeroge 0.5 cube and 42.5R cement 350kg, sierozem power 125kg, 40-70 order sand 500kg, resin rubber powder 15kg, being mixed with thermal insulation mortar, product complies fully with the technology of GB GB/T26000-2010 and requires:
| Test event | Performance indications |
| Dry density (Kg/m3) | 200 |
| Heat conductivity (W/m.k) | 0.05 |
| Comprcssive strength (MPa) | 1.0 |
| Fire-protection rating (according to GB5464 standard) | A level |
Embodiment 3
1) tetraethyl orthosilicate of 50 weight portions, 25 weight portion ethylene glycol are joined in container and stir 5 minutes, add 5 weight portion MTESs, add 10 parts of water, stir 3 minutes, adding hydrochloric acid conditioning solution pH is 5, set container oil temperature heating-up temperature 100 DEG C and continue stirring hydrolysis 30 minutes, obtain silicon dioxide gel；
2) polyvinyl alcohol 1788,8 glycerol of 85 parts, 4 parts of Polyethylene glycol-2000s, 3 parts of adipic acids are obtained polyvinyl alcohol hot melt adhesive powder by grinding to modifiy；
3) 20 parts of polyvinyl alcohol hot melt adhesive powder, 2 parts of isopropoxy three (dioctyl pyrophosphate) titaniums are added 78 parts of silicon dioxide gel liquid, adding triethanolamine adjustment pH value is 9, stir, polyvinyl alcohol hot melt adhesive powder is dispersed in wet gel, is then placed in airtight ageing tank ageing and obtains ageing wet gel in 24 hours；
4) continuous for JS-60 type kneading formula spiro rod reaction machine drum body temperature is risen to 120 DEG C, open circulating cooling water valve, control flypress temperature and maintain 120 DEG C, ageing wet gel is added continuous kneading formula spiro rod reaction machine, wet gel is continuously added spiro rod reaction machine, pump into inert gas source simultaneously, wet gel becomes instantaneous molten state under the stretching of polyvinyl alcohol hot melt adhesive, the wet gel of entrance die head produces to expand because of the evaporation of moment at die orifice due to liquid component, while liquid component volatilizees, noble gas is as aeroge supporter, complete the wet gel transformation to aeroge, cut off by pelleter and form uniform graininess aeroge, aeroge is diametrically the spherical of 3-5mm.
By testing property indices such as following table:
| Inspection project | Standard-required | The present embodiment test result |
| Porosity | ≥96% | 97 |
| Internal aperture | ≤60nm | 10 |
| Heat conductivity | ≤0.02 W/(m·K) | 0.013 |
| Specific surface area | ≥800 m2/g | 1200 |
| Elastic modelling quantity | ≥10MPa | 60 |
This aeroge stirring at low speed being refined to 50-70 order and is used for coating, after tested, the coating after 2mm can effectively suppress the conduction heat of heat, and heat-insulation and heat-preservation efficiency is up to 80%, and coating heat transfer coefficient only has 0.03W/m K.
Claims (3)
1. the heat insulation aerogel material of building heat preservation, it is characterised in that raw material composition is calculated as by weight:
Silicon dioxide gel 70-90 part
Polyvinyl alcohol hot melt adhesive 10-28 part
Water-repelling agent 1-2 part
Wherein, described silicon dioxide gel is the colloidal sol obtained by methyl silicate or teos hydrolysis, solid content 50-60%；
Described polyvinyl alcohol hot melt adhesive is to be ground attritive powder that is modified and that obtain by polyvinyl alcohol, glycerol, Polyethylene glycol-2000, cross-linking agent by mechanical force and chemical, wherein the 17-88 of fineness 200 order, alcoholysis degree 87%～89% selected by polyvinyl alcohol, and cross-linking agent is selected in adipic acid, succinic acid, maleic anhydride, Borax at least one；
Described water-repelling agent is at least one in isopropoxy three (dioctyl pyrophosphate) titanium, second two ester group (dioctyl pyrophosphate) titanium, distearyl ethylene titanium.
2. the preparation method of the heat insulation aerogel material of building heat preservation as claimed in claim 1, it is characterised in that prepare in accordance with the following steps:
(1) silicon dioxide gel is prepared；
(2) polyvinyl alcohol hot melt adhesive is prepared；
(3) ageing wet gel is prepared；
(4) the heat insulation aeroge of building heat preservation is prepared；
Described prepares silicon dioxide gel, it is that the methyl silicate of 50-60 weight portion or tetraethyl orthosilicate, 20-30 weight portion alcoholic solvent are joined in container and stir 5-10 minute, add 5-10 weight portion MTES, add 10-15 part water, stir 3-5 minute, adding hydrochloric acid conditioning solution pH is 3-5, sets container oil temperature heating-up temperature 80-100 DEG C and continues stirring hydrolysis 30-60 minute and obtain；
Described preparation polyvinyl alcohol hot melt adhesive, is that the polyvinyl alcohol of 80-90 part, 5-10 part glycerol, 2-8 part Polyethylene glycol-2000,1-3 part cross-linking agent are ground modified by mechanical force and chemical and obtained；
Described preparation ageing wet gel, it is that 10-28 weight account polyethylene alcohol PUR, 1-2 part water-repelling agent are added 70-90 part silicon dioxide gel liquid, adding triethanolamine adjustment pH value is 8～10, stir, polyvinyl alcohol hot melt adhesive at high temperature has thermoplasticity, there is dissolubility in aqueous solvent simultaneously, wet gel can be dispersed in, be then placed in airtight ageing tank ageing and obtain ageing wet gel in 24 hours；
Described prepares the heat insulation aeroge of building heat preservation, it is that continuous kneading formula spiro rod reaction machine drum body temperature is risen to 100-120 DEG C, open circulating cooling water valve, control flypress temperature and maintain 100-120 DEG C, ageing wet gel is added continuous kneading formula spiro rod reaction machine, wet gel is continuously added spiro rod reaction machine, pump into inert gas source simultaneously, wet gel becomes instantaneous molten state under the stretching of polyvinyl alcohol hot melt adhesive, the wet gel of entrance die head produces to expand because of the evaporation of moment at die orifice due to liquid component, while liquid component volatilizees, noble gas is as aeroge supporter, complete the wet gel transformation to aeroge, cut off by pelleter and form uniform graininess aeroge；Inert gas source is sodium bicarbonate, and it pumps into when wet gel enters die head, sustained release noble gas under instantaneous high pressure, hot conditions, it is ensured that the framing structure not collapse that aeroge is complete.
3. the preparation method of the heat insulation aerogel material of building heat preservation as claimed in claim 2, it is characterized in that described in preparation method, continuous kneading formula spiro rod reaction machine is tapering type single-screw machine, screw diameter is reduced to Φ 40mm from being fed to discharging by Φ 60cm, and screw slenderness ratio is 5:1 8:1.
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| CN201410329168.7A CN104086150B (en) | 2013-07-26 | 2014-07-11 | A kind of heat insulation aerogel material of building heat preservation and preparation method |
| PCT/CN2014/083024 WO2015010651A1 (en) | 2013-07-26 | 2014-07-25 | Building thermal insulation aerogel material and method of preparation |
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| CN2013103293777A CN103408279A (en) | 2013-07-26 | 2013-07-26 | Thermal insulation aerogel material for buildings, and preparation method of aerogel material |
| CN201410329168.7A CN104086150B (en) | 2013-07-26 | 2014-07-11 | A kind of heat insulation aerogel material of building heat preservation and preparation method |
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| CN103408279A (en) * | 2013-07-26 | 2013-11-27 | 成都新柯力化工科技有限公司 | Thermal insulation aerogel material for buildings, and preparation method of aerogel material |
| CN104029429A (en) * | 2014-06-18 | 2014-09-10 | 航天海鹰(镇江)特种材料有限公司 | Aerogel composite cloth taking hot melt adhesive as binder and preparation method for composite cloth |
| CN105314933B (en) * | 2014-08-04 | 2017-07-18 | 天津武铄科技有限公司 | A kind of low heat conductivity heat-insulating mortar |
| CN105540598B (en) * | 2015-12-23 | 2017-12-05 | 陆福萍 | A kind of method for preparing aerosil using inflatable microcapsules normal pressure |
| CN105502493B (en) * | 2015-12-23 | 2017-01-18 | 成都新柯力化工科技有限公司 | Method for preparing aerogel through magnetization and normal-pressure drying |
| CN106431168B (en) * | 2016-09-29 | 2018-08-07 | 正一集团有限公司 | A kind of method that constant pressure and dry prepares big blocky flexible air gel |
| CN108383468A (en) * | 2018-03-29 | 2018-08-10 | 重庆渝茁科技有限公司 | Composite incubation material for building |
| CN111138130B (en) * | 2020-01-03 | 2022-02-18 | 登封市嵩基水泥有限公司 | Heat-insulation cement |
| CN111545136B (en) * | 2020-04-05 | 2021-02-19 | 北京化工大学 | Preparation method and application of self-suspended polymer aerogel with efficient photothermal conversion |
| CN114602395B (en) * | 2022-02-24 | 2022-11-08 | 西安理工大学 | Organic aerogel sheet having surface wrinkles and method for preparing the same |
| CN114804818B (en) * | 2022-05-24 | 2023-04-11 | 巩义市泛锐熠辉复合材料有限公司 | Low-cost aerogel composite material and preparation method thereof |
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| CN101224890A (en) * | 2008-01-25 | 2008-07-23 | 浙江大学 | Method for preparing silicon dioxide aerogel by using inorganic mineral as raw material |
| CN102079949A (en) * | 2010-12-22 | 2011-06-01 | 李志� | Preparation method of nanometer aerogel heat-insulation coating |
| CN102557577B (en) * | 2011-11-01 | 2014-03-19 | 厦门纳美特新材料科技有限公司 | Preparation method of silicon dioxide aerogel composite material |
| CN103408279A (en) * | 2013-07-26 | 2013-11-27 | 成都新柯力化工科技有限公司 | Thermal insulation aerogel material for buildings, and preparation method of aerogel material |
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2013
- 2013-07-26 CN CN2013103293777A patent/CN103408279A/en active Pending
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- 2014-07-11 CN CN201410329168.7A patent/CN104086150B/en active Active
- 2014-07-25 WO PCT/CN2014/083024 patent/WO2015010651A1/en active Application Filing
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| CN101096273A (en) * | 2007-06-05 | 2008-01-02 | 南京工业大学 | Blocky low-density gel heat-insulation composite material |
| CN101456569A (en) * | 2008-07-22 | 2009-06-17 | 绍兴纳诺气凝胶新材料研发中心有限公司 | Method for quick-speed preparing aerogel by hydro-thermal synthesis at low cost |
| CN103130231A (en) * | 2011-11-25 | 2013-06-05 | 航天特种材料及工艺技术研究所 | Silica aerogel material and preparation method thereof |
| CN102617101A (en) * | 2012-03-22 | 2012-08-01 | 陕西盟创纳米新型材料股份有限公司 | Method for preparing heat insulation board for exterior walls |
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| CN103408279A (en) | 2013-11-27 |
| CN104086150A (en) | 2014-10-08 |
| WO2015010651A1 (en) | 2015-01-29 |
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Effective date of registration: 20190621 Address after: 725300 Selenium Valley Industrial Park, Ziyang County, Ankang City, Shaanxi Province Patentee after: Shaanxi Ruizhi Environmental Protection Building Material Co., Ltd. Address before: 610091 Donghai Road, Jiao long industrial port, Qingyang District, Chengdu, Sichuan 4 Patentee before: Chengdu Xinkeli Chemical Sci-Tech Co., Ltd. |