CN114804689A - Preparation method of nano porous master batch for cement-based insulation board - Google Patents
Preparation method of nano porous master batch for cement-based insulation board Download PDFInfo
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- CN114804689A CN114804689A CN202210467636.1A CN202210467636A CN114804689A CN 114804689 A CN114804689 A CN 114804689A CN 202210467636 A CN202210467636 A CN 202210467636A CN 114804689 A CN114804689 A CN 114804689A
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- Prior art keywords
- cement
- nanoporous
- insulation board
- nano porous
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- 238000009413 insulation Methods 0.000 title claims abstract description 28
- 239000004568 cement Substances 0.000 title claims abstract description 21
- 239000004594 Masterbatch (MB) Substances 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000007783 nanoporous material Substances 0.000 claims abstract description 51
- 239000002002 slurry Substances 0.000 claims abstract description 18
- 238000005406 washing Methods 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 12
- 239000010703 silicon Substances 0.000 claims abstract description 12
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000011575 calcium Substances 0.000 claims abstract description 10
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 9
- 230000032683 aging Effects 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 239000013078 crystal Substances 0.000 claims abstract description 7
- 239000003607 modifier Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 18
- 239000002253 acid Substances 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 6
- 239000000920 calcium hydroxide Substances 0.000 claims description 6
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 6
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000004048 modification Effects 0.000 claims description 6
- 238000012986 modification Methods 0.000 claims description 6
- 235000006408 oxalic acid Nutrition 0.000 claims description 6
- 230000035484 reaction time Effects 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 239000004094 surface-active agent Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 235000019353 potassium silicate Nutrition 0.000 claims description 5
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 5
- 239000006004 Quartz sand Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 claims description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 3
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- 239000001110 calcium chloride Substances 0.000 claims description 3
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 3
- 239000012452 mother liquor Substances 0.000 claims description 3
- 239000005871 repellent Substances 0.000 claims description 3
- 230000002940 repellent Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000010456 wollastonite Substances 0.000 claims description 3
- 229910052882 wollastonite Inorganic materials 0.000 claims description 3
- 238000004134 energy conservation Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 239000011489 building insulation material Substances 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 abstract description 2
- 239000011810 insulating material Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000012295 chemical reaction liquid Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- XJKVPKYVPCWHFO-UHFFFAOYSA-N silicon;hydrate Chemical compound O.[Si] XJKVPKYVPCWHFO-UHFFFAOYSA-N 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/0016—Granular materials, e.g. microballoons
- C04B20/002—Hollow or porous granular materials
- C04B20/0036—Microsized or nanosized
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/0016—Granular materials, e.g. microballoons
- C04B20/002—Hollow or porous granular materials
- C04B20/004—Hollow or porous granular materials inorganic
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
Abstract
The invention provides a preparation method of a nano porous master batch for a cement-based insulation board, which comprises the following steps in sequence: (1) mixing a silicon source, a calcium source, a crystal form control agent and a modifier, heating for reaction, and obtaining nano porous material slurry after the reaction is finished; (2) and (3) aging, washing, dealkalizing and modifying the prepared nano porous material slurry to obtain a qualified wet cake of the nano porous material, and drying the wet cake to obtain the nano porous material powder. The invention discloses a preparation method of a nano porous material for a cement-based insulation board, which has the characteristics of high specific surface area, high porosity, high heat insulation efficiency, fire resistance, flame retardance and the like, can be used as a functional material to prepare a light porous cement-based building insulation material, is used for energy conservation and heat preservation of building walls, and meets the current increasingly high requirements on building energy conservation and fire resistance safety.
Description
Technical Field
The invention relates to the technical field of new materials, in particular to a preparation method of a nano porous master batch for a cement-based insulation board.
Background
The construction industry, as an important engine for global economic activities, becomes the total energy consumption and CO 2 The industry with the largest total emission accounts for 36 percent of the total energy consumption and CO 2 39% of the total amount discharged. To achieve sustainable development goals, the building industry is turning to the trend towards ever increasing energy and carbon emissions, achieving reductions in building carbon emissions at a rate of 3% per year. Under the background, research and development and application of the novel high-performance heat-insulating material and the building envelope have important supporting functions on energy conservation of Chinese buildings and reduction of carbon emission of the buildings. At present, organic heat-insulating materials commonly used in buildings, such as polystyrene foam (EPS), extruded polystyrene boards (XPS), glass wool (GF) and the like, have the characteristics of light weight, easiness in forming, good heat-insulating property and the like, but have the problems of potential fire safety hazards, poor hydrophobicity, poor durability and the like. Although the common inorganic heat-insulating materials such as glass fiber, mineral wool, expanded perlite and the like have good fire resistance and high safety, the common inorganic heat-insulating materials have poor heat-insulating property, strong hygroscopicity and high vapor permeability, and influence engineering application. Therefore, the development of inorganic heat-insulating materials with high-efficiency heat insulation and safety and fire resistance is an urgent need in the building heat-insulating industry.
Disclosure of Invention
The object of the present invention is to solve at least one of the technical drawbacks mentioned.
Therefore, an object of the present invention is to provide a method for preparing a nanoporous master batch for a cement-based insulation board, so as to solve the problems mentioned in the background art and overcome the disadvantages in the prior art.
The invention discloses a preparation method of a nano porous material for a cement-based insulation board, which has the characteristics of high specific surface area, high porosity, high heat insulation efficiency, fire resistance, flame retardance and the like, can be used as a functional material to prepare a light porous cement-based building insulation material, is used for energy conservation and heat preservation of building walls, and meets the current increasingly high requirements on building energy conservation and fire resistance safety.
In order to achieve the above object, an embodiment of an aspect of the present invention provides a preparation method of a nanoporous master batch for a cement-based insulation board, which includes the following steps in order: (1) mixing a silicon source, a calcium source, a crystal form control agent and a modifier, heating for reaction, and obtaining nano porous material slurry after the reaction is finished; (2) and (3) aging, washing, dealkalizing and modifying the prepared nano porous material slurry to obtain a qualified wet cake of the nano porous material, and drying the wet cake to obtain the nano porous material powder.
Preferably, in any of the above schemes, the silicon source is one or more of wollastonite, quartz sand or water glass; the calcium source is one or more of calcium sulfate, calcium chloride, calcium hydroxide or calcium oxide; the crystal form control agent is a surfactant; the modifier is organosilicon water repellent and silane coupling agent.
Preferably, in step (1), the mass ratio of the calcium source to the silicon source is 0.5-1.5: 1.
Preferably, in any of the above embodiments, in the step (1), the liquid-solid ratio of the reaction system is 15 to 30: 1, reaction temperature: 160-240 ℃, reaction time: 1.5-4.0 h.
Preferably, in any of the above schemes, in the step (2), the nanoporous material slurry needs to be left for aging for 2-5h, and stirring needs to be kept during the aging process.
Preferably, in any scheme, in the step (2), the nano porous material slurry is subjected to solid-liquid separation to remove mother liquor, and then is washed by clean water with 6-12 times of the absolute dry weight of the nano porous material slurry, and the temperature of the washing water is 40-60 ℃, so that the wet cake of the nano porous material is obtained.
Preferably, in any of the above schemes, the wet cake of the nanoporous material is modified by an acid solution, the acid is oxalic acid or citric acid, and then the acid solution is removed to obtain the wet cake of the nanoporous material.
Preferably, in any of the above schemes, in the step (2), the wet cake after acid washing is subjected to soaking modification treatment by using ethanol or ethylene glycol monomethyl ether, then the washing liquid is removed to obtain a qualified wet cake of the nano porous material, and then the qualified wet cake of the nano porous material is dried to obtain the nano porous material powder.
Preferably, according to any scheme, the prepared nano porous material meets the following requirements in indexes: the specific surface area is more than or equal to 150m 2 The porosity is more than or equal to 85 percent, and the average grain diameter is 15-30 mu m.
Aiming at the main problems of poor heat insulation effect and low fire-proof level of the existing building heat insulation energy-saving products, which cause large potential safety hazard, and the actual requirements of the building market on high-efficiency heat insulation and A-level fire-proof heat insulation products, the invention develops the nano porous material which has excellent heat insulation performance and is suitable for the application of heat insulation boards.
The nano porous material for the cement-based insulation board is prepared, has the characteristics of low heat conductivity coefficient, inorganic non-combustibility and the like, and fills the market blank. The method is simple to operate, strong in implementability and easy to industrially popularize.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The following described embodiments are exemplary and are intended to be illustrative of the invention and are not to be construed as limiting the invention.
The embodiment of one aspect of the invention provides a preparation method of a nano porous master batch for a cement-based insulation board, which comprises the following steps in sequence: (1) mixing a silicon source, a calcium source, a crystal form control agent and a modifier, heating for reaction, and obtaining nano porous material slurry after the reaction is finished; (2) aging, washing, dealkalizing and modifying the prepared nano porous material slurry to obtain a qualified wet cake of the nano porous material, and drying the wet cake to obtain nano porous material powder, wherein the silicon source is one or more of wollastonite, quartz sand or water glass; the calcium source is one or more of calcium sulfate, calcium chloride, calcium hydroxide or calcium oxide; the crystal form control agent is a surfactant; the modifier is an organic silicon water repellent and a silane coupling agent, in the step (1), the mass ratio of the calcium source to the silicon source is 0.5-1.5:1, and in the step (1), the liquid-solid ratio of a reaction system is 15-30: 1, reaction temperature: 160-240 ℃, reaction time: 1.5-4.0 h.
Preferably, in any of the above schemes, in the step (2), the slurry of the nano-porous material needs to be placed and aged for 2-5h, stirring needs to be kept during the aging process, in the step (2), the slurry of the nano-porous material is subjected to solid-liquid separation to remove mother liquor, then the slurry of the nano-porous material is washed by clear water with 6-12 times of the absolute dry weight of the slurry, the temperature of washing water is 40-60 ℃, a wet cake of the nano-porous material is obtained, the wet cake of the nano-porous material is subjected to modification treatment by an acid solution, the adopted acid is oxalic acid or citric acid, then the acid solution is removed, the wet cake of the nano-porous material is obtained, in the step (2), the wet cake after acid washing is subjected to soaking modification treatment by ethanol or ethylene glycol methyl ether, then the washing solution is removed, a qualified wet cake of the nano-porous material is obtained, and then the nano-porous material powder can be obtained through drying treatment, and the prepared nano-porous material has the following indexes meeting the following requirements: the specific surface area is more than or equal to 150m 2 The porosity is more than or equal to 85 percent, and the average grain diameter is 15-30 mu m.
Example 1
With solid water glass (SiO) 2 Not less than 99 percent), calcium hydroxide and an organic silicon surfactant are used as main raw materials, and the solid-to-solid ratio of the reaction liquid is 15: 1, the temperature is 180 ℃, and the reaction time is 1.5 h; washing with 5% oxalic acid, soaking in anhydrous alcohol for 2 hr, and drying to obtain nanometer porous material powder.
The specific surface area of the nano-porous material prepared by the process is 180m 2 (g), bulk volume 190kg/m 3 And the porosity is 86%.
Example 2
With solid water glass (SiO) 2 Not less than 99 percent), calcium hydroxide and organic silicon surfactant as main raw materials, wherein the solid ratio of the reaction liquid is 25: 1, the temperature is 200 ℃,the reaction time is 2.0 h; washing with 5% oxalic acid, soaking in anhydrous alcohol for 2.5 hr, and drying wet cake to obtain nanometer porous material powder.
The specific surface area of the nano-porous material prepared by the process is 380m 2 Per g, bulk volume 150kg/m 3 And the porosity is 92%.
Example 3
With high-purity quartz Sand (SiO) 2 Not less than 98 percent), calcium hydroxide, caustic soda and organosilicon surfactant are used as main raw materials, and the solid-to-solid ratio of the reaction liquid is 25: 1, the temperature is 240 ℃, and the reaction time is 2.0 h; washing with 5% oxalic acid, soaking in anhydrous alcohol for 2.5 hr, and drying wet cake to obtain nanometer porous material powder.
The specific surface area of the nano-porous material prepared by the process is 320m 2 Per g, bulk volume 160kg/m 3 And the porosity is 90%.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
It will be understood by those skilled in the art that the present invention includes any combination of the elements shown in the summary of the invention and the detailed description of the invention section above, limited to space and not described in any way as to the various aspects of these combinations for the sake of brevity. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A preparation method of a nano porous master batch for a cement-based insulation board is characterized by comprising the following steps in sequence: (1) mixing a silicon source, a calcium source, a crystal form control agent and a modifier, heating for reaction, and obtaining nano porous material slurry after the reaction is finished; (2) and (3) aging, washing, dealkalizing and modifying the prepared nano porous material slurry to obtain a qualified wet cake of the nano porous material, and drying the wet cake to obtain the nano porous material powder.
2. The preparation method of the nanoporous master batch for the cement-based insulation board according to claim 1, wherein the silicon source is one or more of wollastonite, quartz sand or water glass; the calcium source is one or more of calcium sulfate, calcium chloride, calcium hydroxide or calcium oxide; the crystal form control agent is a surfactant; the modifier is organosilicon water repellent and silane coupling agent.
3. The preparation method of the nanoporous master batch for the cement-based insulation board as claimed in claim 1, wherein in the step (1), the mass ratio of the calcium source to the silicon source is 0.5-1.5: 1.
4. The preparation method of the nanoporous master batch for the cement-based insulation board according to claim 1, wherein in the step (1), the liquid-solid ratio of the reaction system is 15-30: 1, reaction temperature: 160-240 ℃, reaction time: 1.5-4.0 h.
5. The method for preparing the nanoporous master batch for the cement-based insulation board as claimed in claim 1, wherein in the step (2), the nanoporous material slurry is aged for 2-5h, and the stirring is kept during the aging process.
6. The preparation method of the nanoporous master batch for the cement-based insulation board as claimed in claim 1, wherein in the step (2), the nanoporous material slurry is subjected to solid-liquid separation to remove mother liquor, and then washed with clear water with 6-12 times of the absolute dry weight of the nanoporous material slurry, and the temperature of the washing water is 40-60 ℃ to obtain the nanoporous material wet cake.
7. The preparation method of the nanoporous master batch for the cement-based insulation board as claimed in claim 6, wherein the nanoporous material wet cake is modified by an acid solution, the adopted acid is oxalic acid or citric acid, and then the acid solution is removed to obtain the nanoporous material wet cake.
8. The preparation method of the nanoporous master batch for the cement-based insulation board as claimed in claim 7, wherein in the step (2), the wet cake after acid washing is subjected to soaking modification treatment by ethanol or ethylene glycol methyl ether, then the qualified wet cake of the nanoporous material is obtained after washing liquid is removed, and then the nanoporous material powder is obtained after drying treatment.
9. The preparation method of the nanoporous master batch for the cement-based insulation board according to claim 1, wherein the indexes of the prepared nanoporous material meet the following requirements: the specific surface area is more than or equal to 150m 2 The porosity is more than or equal to 85 percent, and the average grain diameter is 15-30 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210467636.1A CN114804689A (en) | 2022-04-27 | 2022-04-27 | Preparation method of nano porous master batch for cement-based insulation board |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210467636.1A CN114804689A (en) | 2022-04-27 | 2022-04-27 | Preparation method of nano porous master batch for cement-based insulation board |
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| CN114804689A true CN114804689A (en) | 2022-07-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117447880A (en) * | 2023-12-25 | 2024-01-26 | 廊谷(北京)新材料科技有限公司 | Thick coating type composite heat insulation paint and preparation method thereof |
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|---|---|---|---|---|
| WO2007121457A1 (en) * | 2006-04-18 | 2007-10-25 | Smith & Nephew, Inc. | Composition of biodegradable glass-ceramic |
| CN104556057A (en) * | 2015-01-14 | 2015-04-29 | 泉州三欣新材料科技有限公司 | Method for preparing nano-porous light silicon oxide microspheres |
| CN108314054A (en) * | 2018-04-03 | 2018-07-24 | 山西玉竹新材料科技股份有限公司 | A method of preparing microporous calcium silicate powder |
-
2022
- 2022-04-27 CN CN202210467636.1A patent/CN114804689A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007121457A1 (en) * | 2006-04-18 | 2007-10-25 | Smith & Nephew, Inc. | Composition of biodegradable glass-ceramic |
| CN104556057A (en) * | 2015-01-14 | 2015-04-29 | 泉州三欣新材料科技有限公司 | Method for preparing nano-porous light silicon oxide microspheres |
| CN108314054A (en) * | 2018-04-03 | 2018-07-24 | 山西玉竹新材料科技股份有限公司 | A method of preparing microporous calcium silicate powder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117447880A (en) * | 2023-12-25 | 2024-01-26 | 廊谷(北京)新材料科技有限公司 | Thick coating type composite heat insulation paint and preparation method thereof |
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