CN102795780A - Low-temperature microcrystalline foam glass and preparation method thereof - Google Patents
Low-temperature microcrystalline foam glass and preparation method thereof Download PDFInfo
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- CN102795780A CN102795780A CN2012102956294A CN201210295629A CN102795780A CN 102795780 A CN102795780 A CN 102795780A CN 2012102956294 A CN2012102956294 A CN 2012102956294A CN 201210295629 A CN201210295629 A CN 201210295629A CN 102795780 A CN102795780 A CN 102795780A
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Abstract
The invention relates to low-temperature microcrystalline foam glass and a preparation method thereof; molar ratios of main components of the microcrystalline foam glass are: 0.1-1.0:1 for the molar ratio of Na2O (K2O) to SiO2, 1.0-20:1 for the molar ratio of SiO2 to Al2O3, and 0-0.2:1 for the molar ratio of B2O3 to SiO2; the preparation method comprises the following steps: (1) mixing and stirring water glass and active aggregates, adding an additive to obtain sol; (2) aging the sol for 1-7 days, drying the aged sol to prepare solid gel with a water content of 10%-50%; (3) triturating the solid gel, adding into a mold, and finally foaming. The microcrystalline foam glass of the invention has low density, high intensity, good heat insulation performance, long service life, and good fireproof performance; and the preparation method of the invention is simple in operation, and reduces the foaming temperature.
Description
Technical field
The invention belongs to crystallite foam glass and preparation field thereof, particularly a kind of low temperature crystallite foam glass and preparation method thereof.
Background technology
Public affairs [2011] No. 65 official documents regulation that disappears: 1, with the covil construction heat insulating material for external include the audit of construction project design for fire protection in, fire-fighting is checked and accepted and the extent of tests of putting on record.Before the new standard issue, carry out " covil construction outer heat preservation system and decoration of exterior wall fire prevention temporary provisions " (No. [2009] 46, public logical word) second regulation as strict as possible, it is the material of A level that the covil construction heat insulating material for external adopts combustionproperty.2, strengthen the fire supervision management of covil construction heat insulating material for external.On March 15th, 2011 rose, and the project of declaring is checked and accepted in audit of construction project design for fire protection and the fire-fighting that accept various places, should strictly carry out this notice requirement.To construction work in progress, inflammable, combustible matl like the architectural exterior insulation employing, should submit to the NGO competent departments concerned to supervise construction unit to remove inflammable, flammable lagging material; To the construction project that does not go into operation as yet, architectural exterior insulation adopts inflammable, combustible matl, should supervise construction unit's change design, select non-fire material for use, reports to a higher authorities for approval again.
Therefore, inorganic heat preserving and heat insulation material has had greatly market, and does not also have the inorganic heat preserving and heat insulation material of the marketization can replace the organic heat-insulating lagging material now.Present traditional inorganic heat preserving and heat insulation material can be divided three classes: one type is the constituent material of self heat insulation wall, like foamed concrete, foam geopolymer, gas concrete, diatomite product, heat-insulating calcium silicate product and multicellular glass etc.; One type is inorganic heat preservation fibers such as rock wool, glass wool; One type for adding the thermal insulation mortar of heat preserving aggregate.And the major advantage of inorganic heat preserving and heat insulation material is that fire protection flame retarding, deformation coefficient are little, anti-aging, long service life, eco-environmental prote are good; Main drawback is that unit weight is big, compactness and workability are relatively poor, and thermal and insulating performance is not as organic insulation material.Also having one type of inorganic heat preserving and heat insulation material of large-scale application not yet, is exactly gas gel, and it has advantages such as thermal conductivity is low, and unit weight is little, but has shortcomings such as preparation cost height and bad mechanical strength.
Multicellular glass belongs to the ep-type material that nation-building cause " 12 " is widelyd popularize and used; Have little, the anti-chemical burn into of density and do not receive a series of excellent properties such as the infringement of ant mouse, heat insulating, waterproof and dampproof, fire prevention, sound absorption, be widely used in fields such as chemical industry, petrochemical industry, light industry, refrigeration, heating installation are carried, building environmental protection as the engineering materials of insulation cold insulation, sound absorption.But the mechanical strength of multicellular glass is low, broken easily, fracture in the processing handling process, and also it resists folding, ultimate compression strength all to be difficult to satisfy the requirement of building field light-weight high-strength material.Therefore, in order to improve the intensity of multicellular glass, crystallite foam glass has got into our visual field.Yet the preparation technology of crystallite foam glass is very similar with the preparation technology of multicellular glass, but has introduced nucleator and heat treated process, has increased its preparation cost.Produce crystallite foam glass simultaneously at present, all powder is contained in the mould, mould and powder heat (blowing temperature is basically more than 800 ℃) together.So except consuming a large amount of whipping agent and the energy, also have the cost of losing of mould.
Summary of the invention
Technical problem to be solved by this invention provides a kind of low temperature crystallite foam glass and preparation method thereof, and this crystallite foam glass density is low, and intensity is high, and thermal and insulating performance is good, long service life, and fire resistance is good, and this method is simple to operate, has reduced blowing temperature.
A kind of low temperature crystallite foam glass of the present invention, the scope of the mol ratio of each main ingredient is in this crystallite foam glass: Na
2O (or K
2O) and SiO
2Mol ratio be 0.1～1.0:1, SiO
2With Al
2O
3Mol ratio be 1.0～20:1, B
2O
3With SiO
2Mol ratio be 0～0.2:1.
The network structure (like accompanying drawing 1,2) that contains aluminum-oxygen tetrahedron and boron oxygen tetrahedron in the glassy phase between the particles of aggregates of described low temperature crystallite foam glass is simultaneously between particles of aggregates and the glassy phase or then be with silica silicon key, silica aluminium key or silica boron key combine (like accompanying drawing 3) between particles of aggregates and the particles of aggregates.
The preparation method of a kind of low temperature crystallite foam glass of the present invention comprises:
(1) be 0.1≤Na according to mol ratio
2O (K
2O)/SiO
2≤1.0,1.0≤SiO
2/ Al
2O
3≤20,0≤B
2O
3/ SiO
2≤0.2,10≤H
2O/Na
2O≤25 take by weighing water glass, reactive aggregate (being the nucleus agent) and additive, then water glass, reactive aggregate are at room temperature mixed and stir, and add additive afterwards, obtain full-bodied colloidal sol;
(2) with wearing out 1～7 day down at 10-80 ℃ after the above-mentioned colloidal sol sealing, to promote alkali-aggregate reaction; Colloidal sol after aging 100～150 ℃ of dryings, is made water ratio and is 10%～50% solid gel;
(3) above-mentioned solid gel is smashed to pieces, in the mould of packing into, the foam process process is carried out according to following heat treating regime: the intensification foaming stages, be warming up to 250～500 ℃ with the speed of 10～20 ℃/min, and be incubated 0.5～10 hour; The cooling colling stages is reduced to room temperature with the rate of temperature fall of 2～30 ℃/min, promptly gets the low temperature crystallite foam glass.
Water glass described in the step (1) is sodium silicate or potash water glass.
Reactive aggregate described in the step (1) is one or more in kaolin, metakaolin, volcanical ash, flyash, wilkinite, zeyssatite, silicon powder, cullet powder, silicon ash, mineral waste residue, the chainotte.
Additive described in the step (1) is one or more in boric acid, borax, the silicon sol.
Type of heating in the described heat treating regime of step (2) is electrically heated, flame heating or microwave heating.
Low temperature crystallite foam glass of the present invention possesses the glued characteristic of gelling material and the binding structure of organic polymer material, simultaneously possesses microlitic structure again, thereby shows high intensity, good endurance quality and excellent water tolerance etc.The present invention specifically is to be base with water glass, and at first under stirring condition, adding the nucleus agent is reactive aggregate (like kaolin, metakaolin, volcanical ash etc.), and alkali-aggregate reaction is taken place.Add additive (boric acid, borax and silicon sol etc.) afterwards and be stirred to it and dissolve fully and make colloidal sol.After aging at ambient temperature then for some time, this colloidal sol drying is made the certain solid gel of water ratio, put into mould at last and issue infusion and get the new type low temperature crystallite foam glass at high temperature or microwave condition.
The present invention is alkali-activator and whipping agent with water glass, and reactive aggregate is the nucleus agent, adds quantitative additive simultaneously, and foaming makes a kind of high-intensity new type low temperature crystallite foam glass at low temperatures.The network structure (like accompanying drawing 1,2) that contains aluminum-oxygen tetrahedron and boron oxygen tetrahedron in the glassy phase between the particles of aggregates of material is simultaneously between particles of aggregates and the glassy phase or then be with silica silicon key, silica aluminium key or silica boron key combine (like accompanying drawing 3) between particles of aggregates and the particles of aggregates.This structure can be given its following characteristics: the network associative key that (1) forms is a covalent linkage, has very HS; (2) there is not the low problem of boundary strength between crystal and the colloid; (3) owing to there is not the hydrated product with the easy attack of medium, so can have high erosion-resisting characteristics; (4) near aluminum-oxygen tetrahedron and boron oxygen tetrahedron, center of negative charge occurs, can be strapped in various positively charged ions in the grid water tolerance of the material of raising.Simultaneously, give its excellent performance: (1) mechanical property is good, and main mechanical performance index is superior to multicellular glass and foamed concrete.(2) impervious good, the freeze-thawing resistant circulation, resistance to chemical attack also can keep Stability Analysis of Structures in sour environment.
Low temperature crystallite foam glass of the present invention is a kind of glued characteristic that possesses gelling material, and the novel amorphous that possesses simultaneously the binding structure again coexists with crystallite, aqueous porous material, and wherein water is that form with hydroxyl exists.Low temperature crystallite foam glass of the present invention is applicable to the heat preserving and insulating material in heat-preserving wall, external-wall exterior insulation layer and other wrapping material.
The present invention has not only also reduced blowing temperature from having simplified technology, has also kept crystallite foam glass HS simultaneously, has further reduced thermal conductivity, is expected to replace the organic heat-insulating lagging material.
Beneficial effect:
(1) crystallite foam glass of the present invention is inorganic phase entirely, therefore not only have good thermal and insulating performance, and its work-ing life is also longer, can mate with the work-ing life in house, and excellent fire resistance is also arranged simultaneously; In addition, also because of the network structure that contains aluminum-oxygen tetrahedron and boron oxygen tetrahedron in the material and high void content, so the present invention have equally density low with the high characteristics of intensity;
(2) preparation method of the present invention is simple, makes the temperature of preparation crystallite foam glass reduce greatly, more than 800 original degree, has dropped to below 500 degree, provides cost savings.
Description of drawings
Fig. 1 is the structural representation of the aluminum-oxygen tetrahedron in the low temperature crystallite foam glass of the present invention;
Fig. 2 is the structural representation of the boron oxygen tetrahedron in the low temperature crystallite foam glass of the present invention;
Fig. 3 is a particulate structural representation in the low temperature crystallite foam glass of the present invention;
Fig. 4 is a low temperature crystallite foam glass sample photo of the present invention;
Fig. 5 is the electromicroscopic photograph of the surface tissue of low temperature crystallite foam glass of the present invention;
Fig. 6 is the electromicroscopic photograph of the section structure of low temperature crystallite foam glass of the present invention;
Fig. 7 metakaolin is to the influence of low temperature crystallite foam glass ultimate compression strength of the present invention;
Fig. 8 unit weight is to the influence of low temperature crystallite foam glass ultimate compression strength of the present invention;
Fig. 9 is the XRD of low temperature crystallite foam glass of the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Adopting modulus M=3.0, solid content is that 35% Liquid Sodium water glass, boric acid and metakaolin are that raw material carries out serial experiment.Four prescriptions that adopt are respectively A, B, C, D.Their concrete proportioning raw materials are as shown in the table:
The raw material weighing of each prescription is good, follow these steps to carry out: will claim earlier metakaolin mix with water glass and stirred 1 hour, add boric acid afterwards and be stirred to formation colloidal sol, and at room temperature aging 1 day.This then mixture is 20% at water ratio extremely after 100 ℃ of dryings.Take by weighing 250g and pack in the mould, be warming up to 300 ℃ and be incubated 3h with the speed of 10 ℃/min, reducing to room temperature with the rate of temperature fall of 5 ℃/min at last, promptly to get unit weight be 200kg/m
3The low temperature crystallite foam glass.To carry out the correlated performance test according to the low temperature crystallite foam glass that prescription A, B, C, D obtain, its result is as shown in the table:
As can be seen from the above table, along with the addition increase of metakaolin, little to weight-loss ratio, coefficient of softing and the thermal conductivity factor influence of low temperature crystallite foam glass.And its ultimate compression strength is influenced is fairly obvious, and trend is as shown in Figure 6.Prepared the sample of the different unit weights of C prescription simultaneously, and studied the influence of unit weight to ultimate compression strength, unit weight as shown in Figure 7 high compressive strength more is big more.
Embodiment 2
According to mol ratio be: Na
2O/SiO
2=0.2, SiO
2/ Al
2O
3=3, B
2O
3/ SiO
2=0.1, H
2O/Na
2Each raw material of O=22 weighing (sodium silicate, kaolin, silicon ash and borax).Earlier with kaolin 800 degree down calcining made metakaolin in three hours, again claim metakaolin and silicon greyly mix with water glass and stirred 1 hour, add borax afterwards and be stirred to formation colloidal sol, and at room temperature wore out 1 day.This then mixture is 20% at water ratio extremely after 100 ℃ of dryings.Take by weighing 250g and pack in the mould, be warming up to 300 ℃ and be incubated 3h with 10 ℃/min of speed, reducing to room temperature with the rate of temperature fall of 5 ℃/min at last, promptly to get unit weight be 200kg/m
3The low temperature crystallite foam glass.Its ultimate compression strength is 1.5MPa, thermal conductivity 0.060W/mK, rate of weight loss 0.30%, coefficient of softening 94.8%.
Embodiment 3
According to mol ratio be: Na
2O/SiO
2=0.2, SiO
2/ Al
2O
3=2, B
2O
3/ SiO
2=0.1, H
2O/Na
2Each raw material of O=22 weighing (sodium silicate, flyash and boric acid).To claim to such an extent that flyash mixes with water glass and stirred 1 hour earlier, and add boric acid afterwards and be stirred to formation colloidal sol, and at room temperature aging 1 day.This then mixture is 20% at water ratio extremely after 100 ℃ of dryings.Take by weighing 250g and pack in the mould, be warming up to 300 ℃ and be incubated 3h with the speed of 5 ℃/min, reducing to room temperature with the rate of temperature fall of 5 ℃/min at last, promptly to get unit weight be 200kg/m
3The low temperature crystallite foam glass.Its ultimate compression strength is 1.6Mpa, thermal conductivity 0.060W/mK, rate of weight loss 0.30%, coefficient of softening 94.8%.
Embodiment 4
According to mol ratio be: Na
2O/SiO
2=0.15, SiO
2/ Al
2O
3=6.5, B
2O
3/ SiO
2=0.1, H
2O/Na
2Each raw material of O=25 weighing (sodium silicate, metakaolin, silicon sol and boric acid).To claim to such an extent that metakaolin mixes with water glass and stirred 1 hour earlier, and add silicon sol and boric acid afterwards and be stirred to formation colloidal sol, and at room temperature aging 1 day.This then mixture is 50% at water ratio extremely after 100 ℃ of dryings.Take by weighing 250g and pack in the mould, be warming up to 250 ℃ and be incubated 3h with the speed of 5 ℃/min, reducing to room temperature with the rate of temperature fall of 2 ℃/min at last, promptly to get unit weight be 200kg/m
3The low temperature crystallite foam glass.Its ultimate compression strength is 2.0MPa, thermal conductivity 0.062W/mK, rate of weight loss 0.28%, coefficient of softening 95.8%.
Embodiment 5
According to mol ratio be: K
2O/SiO
2=0.15, SiO
2/ Al
2O
3=6.5, B
2O
3/ SiO
2=0.1, H
2O/K
2Each raw material of O=25 weighing (potash water glass, chainotte, silicon powder and boric acid).To claim to such an extent that silicon powder and chainotte mix with water glass and stirred 1 hour earlier, and add boric acid afterwards and be stirred to formation colloidal sol, and at room temperature aging 1 day.This then mixture is 40% at water ratio extremely after 100 ℃ of dryings.Take by weighing 250g and pack in the mould, be warming up to 300 ℃ and be incubated 2h with the speed of 3 ℃/min, reducing to room temperature with the rate of temperature fall of 5 ℃/min at last, promptly to get unit weight be 200kg/m
3The low temperature crystallite foam glass.Its ultimate compression strength is 1.8MPa, thermal conductivity 0.060W/mK, rate of weight loss 0.26%, coefficient of softening 96.5%.
Embodiment 6
According to mol ratio be: Na
2O/SiO
2=0.3, SiO
2/ Al
2O
3=3.3, B
2O
3/ SiO
2=0.1, H
2O/Na
2Each raw material of weighing (sodium silicate, volcanical ash and boric acid) in the scope of O=22.To claim to such an extent that volcanical ash mixes with water glass and stirred 1 hour earlier, and add boric acid afterwards and be stirred to formation colloidal sol, and at room temperature aging 1 day.This then mixture is 10% at water ratio extremely after 100 ℃ of dryings.Take by weighing 250g and pack in the mould, be warming up to 400 ℃ and be incubated 5h with the speed of 15 ℃/min, reducing to room temperature with the rate of temperature fall of 10 ℃/min at last, promptly to get unit weight be 200kg/m
3The low temperature crystallite foam glass.Its ultimate compression strength is 1.6MPa, thermal conductivity 0.061W/mK, rate of weight loss 0.30%, coefficient of softening 95.0%.
Embodiment 7
According to mol ratio be: Na
2O/SiO
2=0.2, SiO
2/ Al
2O
3=2, B
2O
3/ SiO
2=0.2, H
2O/Na
2Each raw material of weighing (sodium silicate, mineral waste residue and boric acid) in the scope of O=22.To claim to such an extent that the mineral waste residue mixes with water glass and stirred 1 hour earlier, and add boric acid afterwards and be stirred to formation colloidal sol, and at room temperature aging 1 day.This then mixture is 30% at water ratio extremely after 150 ℃ of dryings.Take by weighing 250g and pack in the mould, be warming up to 300 ℃ and be incubated 3h with the speed of 18 ℃/min, reducing to room temperature with the rate of temperature fall of 20 ℃/min at last, promptly to get unit weight be 200kg/m
3The low temperature crystallite foam glass.Its ultimate compression strength is 1.6MPa, thermal conductivity 0.061W/mK, rate of weight loss 0.35%, coefficient of softening 94.8%.
Embodiment 8
According to mol ratio be: Na
2O/SiO
2=0.1, SiO
2/ Al
2O
3=8, B
2O
3/ SiO
2=0.1, H
2O/Na
2Each raw material of weighing (sodium silicate, metakaolin, silicon powder and boric acid) in the scope of O=25.To claim to such an extent that silicon powder and metakaolin mix with water glass and stirred 1 hour earlier, and add boric acid afterwards and be stirred to formation colloidal sol, and at room temperature aging 1 day.This then mixture is 20% at water ratio extremely after 150 ℃ of dryings.Take by weighing 250g and pack in the mould, be warming up to 300 ℃ and be incubated 3h with the speed of 10 ℃/min, reducing to room temperature with the rate of temperature fall of 5 ℃/min at last, promptly to get unit weight be 200kg/m
3The low temperature crystallite foam glass.Its ultimate compression strength is 2.5MPa, thermal conductivity 0.060W/mK, rate of weight loss 0.29%, coefficient of softening 96.8%.
Embodiment 9
According to mol ratio be: Na
2O/SiO
2=0.1, SiO
2/ Al
2O
3=8, B
2O
3/ SiO
2=0.1, H
2O/Na
2Each raw material of weighing (sodium silicate, zeyssatite, silicon powder and boric acid) in the scope of O=25.To claim to such an extent that silicon powder and metakaolin mix with water glass and stirred 1 hour earlier, and add boric acid afterwards and be stirred to formation colloidal sol, and at room temperature aging 1 day.This then mixture is 20% at water ratio extremely after 100 ℃ of dryings.Take by weighing 250g and pack in the mould, be warming up to 300 ℃ and be incubated 3h with the speed of 10 ℃/min, reducing to room temperature with the rate of temperature fall of 5 ℃/min at last, promptly to get unit weight be 200kg/m
3The low temperature crystallite foam glass.Its ultimate compression strength is 2.5MPa, thermal conductivity 0.060W/mK, rate of weight loss 0.29%, coefficient of softening 96.8%.
Claims (7)
1. low temperature crystallite foam glass, it is characterized in that: the mol ratio of each main ingredient is in this crystallite foam glass: Na
2O or K
2O and SiO
2Mol ratio be 0.1～1.0:1, SiO
2With Al
2O
3Mol ratio be 1.0～20:1, B
2O
3With SiO
2Mol ratio be 0～0.2:1.
2. a kind of low temperature crystallite foam glass according to claim 1; It is characterized in that: contain the network structure of aluminum-oxygen tetrahedron and boron oxygen tetrahedron in the glassy phase between the particles of aggregates of described low temperature crystallite foam glass, simultaneously between particles of aggregates and the glassy phase or then be to combine between particles of aggregates and the particles of aggregates with silica silicon key, silica aluminium key or silica boron key.
3. the preparation method of a low temperature crystallite foam glass comprises:
(1) according to Na
2O (or K
2O) and SiO
2Mol ratio be 0.1～1.0:1, SiO
2With Al
2O
3Mol ratio be 1.0～20:1, B
2O
3With SiO
2Mol ratio be 0～0.2:1, H
2O and Na
2The mol ratio of O is that 10～25:1 takes by weighing water glass, reactive aggregate and additive, then water glass, reactive aggregate is at room temperature mixed and stirs, and adds additive afterwards, obtains colloidal sol;
(2) with the sealing of above-mentioned colloidal sol and aging 1～7 day, the colloidal sol after will wearing out then is 100～150 ℃ of dryings, makes water ratio and be 10%～50% solid gel;
(3) above-mentioned solid gel is smashed to pieces, in the mould of packing into, the foam process process is carried out according to following heat treating regime: the intensification foaming stages is warming up to 250～500 ℃ with the speed of 10～20 ℃/min, insulation 0.5～10h; The cooling colling stages is reduced to room temperature with the rate of temperature fall of 2～30 ℃/min, promptly gets the low temperature crystallite foam glass.
4. the preparation method of a kind of low temperature crystallite foam glass according to claim 3 is characterized in that: the water glass described in the step (1) is sodium silicate or potash water glass.
5. the preparation method of a kind of low temperature crystallite foam glass according to claim 3 is characterized in that: the reactive aggregate described in the step (1) is one or more in kaolin, metakaolin, volcanical ash, flyash, wilkinite, zeyssatite, silicon powder, cullet powder, silicon ash, mineral waste residue, the chainotte.
6. the preparation method of a kind of low temperature crystallite foam glass according to claim 3 is characterized in that: the additive described in the step (1) is one or more in boric acid, borax, the silicon sol.
7. the preparation method of a kind of low temperature crystallite foam glass according to claim 3 is characterized in that: the type of heating in the described heat treating regime of step (2) is electrically heated, flame heating or microwave heating.
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|---|---|---|---|
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Cited By (9)
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| CN103288353A (en) * | 2013-05-23 | 2013-09-11 | 天津大学 | Borosilicate microcrystalline foam glass with low density and high strength |
| CN103755145A (en) * | 2013-12-24 | 2014-04-30 | 宁波荣山新型材料有限公司 | Method and equipment for preparing low-temperature foam glass in pressurized puffing manner |
| RU2540719C1 (en) * | 2013-10-07 | 2015-02-10 | Общество С Ограниченной Ответственностью "Научно-Производственное Объединение "Диатомит" | Mixture for producing foamed glass |
| CN104710187A (en) * | 2015-02-15 | 2015-06-17 | 宁夏黑金科技有限公司 | High-strength microcrystalline foamed fireproof heat insulation plate prepared from kaolin and graphite, and production technology thereof |
| CN105236913A (en) * | 2015-08-20 | 2016-01-13 | 中国科学技术大学先进技术研究院 | A fiber-reinforced inorganic insulation foam preparing method |
| CN107892483A (en) * | 2017-11-11 | 2018-04-10 | 蚌埠承永玻璃制品有限公司 | A kind of insulating foam method for glass preparation |
| CN109399942A (en) * | 2018-11-22 | 2019-03-01 | 宁波荣山新型材料有限公司 | A kind of foam glass Ceramic Composite building heat preservation heat-barrier material and preparation method thereof |
| CN110922159A (en) * | 2019-11-24 | 2020-03-27 | 沈阳理工大学 | Alkali-activated waste brick powder solidified heavy metal ion light heat-insulating material and preparation method thereof |
| CN111362582A (en) * | 2020-04-09 | 2020-07-03 | 浙江大学 | Vacuum foaming low-temperature foam glass material and preparation method and application thereof |
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| CN103288353A (en) * | 2013-05-23 | 2013-09-11 | 天津大学 | Borosilicate microcrystalline foam glass with low density and high strength |
| RU2540719C1 (en) * | 2013-10-07 | 2015-02-10 | Общество С Ограниченной Ответственностью "Научно-Производственное Объединение "Диатомит" | Mixture for producing foamed glass |
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| CN103755145A (en) * | 2013-12-24 | 2014-04-30 | 宁波荣山新型材料有限公司 | Method and equipment for preparing low-temperature foam glass in pressurized puffing manner |
| CN104710187A (en) * | 2015-02-15 | 2015-06-17 | 宁夏黑金科技有限公司 | High-strength microcrystalline foamed fireproof heat insulation plate prepared from kaolin and graphite, and production technology thereof |
| CN104710187B (en) * | 2015-02-15 | 2016-10-05 | 宁夏黑金科技有限公司 | Utilize GUANYINTU and the high intensity crystallite foaming fire preventing and heat insulating board of graphite production and production technology thereof |
| CN105236913A (en) * | 2015-08-20 | 2016-01-13 | 中国科学技术大学先进技术研究院 | A fiber-reinforced inorganic insulation foam preparing method |
| CN107892483A (en) * | 2017-11-11 | 2018-04-10 | 蚌埠承永玻璃制品有限公司 | A kind of insulating foam method for glass preparation |
| CN109399942A (en) * | 2018-11-22 | 2019-03-01 | 宁波荣山新型材料有限公司 | A kind of foam glass Ceramic Composite building heat preservation heat-barrier material and preparation method thereof |
| CN110922159A (en) * | 2019-11-24 | 2020-03-27 | 沈阳理工大学 | Alkali-activated waste brick powder solidified heavy metal ion light heat-insulating material and preparation method thereof |
| CN111362582A (en) * | 2020-04-09 | 2020-07-03 | 浙江大学 | Vacuum foaming low-temperature foam glass material and preparation method and application thereof |
| CN111362582B (en) * | 2020-04-09 | 2021-01-19 | 浙江大学 | Vacuum foaming low-temperature foam glass material and preparation method and application thereof |
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