CN110627520A - Method for preparing composite heat-insulating material from waste inorganic heat-insulating material - Google Patents
Method for preparing composite heat-insulating material from waste inorganic heat-insulating material Download PDFInfo
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- CN110627520A CN110627520A CN201910880778.9A CN201910880778A CN110627520A CN 110627520 A CN110627520 A CN 110627520A CN 201910880778 A CN201910880778 A CN 201910880778A CN 110627520 A CN110627520 A CN 110627520A
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- heat insulating
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- 239000002699 waste material Substances 0.000 title claims abstract description 43
- 239000011810 insulating material Substances 0.000 title claims description 38
- 238000000034 method Methods 0.000 title claims description 23
- 239000002131 composite material Substances 0.000 title claims description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 34
- 239000000843 powder Substances 0.000 claims abstract description 21
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 19
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 15
- 210000002268 wool Anatomy 0.000 claims abstract description 15
- 239000012779 reinforcing material Substances 0.000 claims abstract description 14
- 239000000378 calcium silicate Substances 0.000 claims abstract description 12
- 229910052918 calcium silicate Inorganic materials 0.000 claims abstract description 12
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052901 montmorillonite Inorganic materials 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 239000010878 waste rock Substances 0.000 claims abstract description 10
- 229960000892 attapulgite Drugs 0.000 claims abstract description 9
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 9
- 229910052625 palygorskite Inorganic materials 0.000 claims abstract description 9
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 6
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000011491 glass wool Substances 0.000 claims abstract description 4
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 claims description 14
- 239000011230 binding agent Substances 0.000 claims description 11
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- 239000010451 perlite Substances 0.000 claims description 5
- 235000019362 perlite Nutrition 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000004254 Ammonium phosphate Substances 0.000 claims description 2
- 229910000148 ammonium phosphate Inorganic materials 0.000 claims description 2
- 235000019289 ammonium phosphates Nutrition 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 238000009960 carding Methods 0.000 claims description 2
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000839 emulsion Substances 0.000 claims description 2
- 238000005187 foaming Methods 0.000 claims description 2
- 238000000227 grinding Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 abstract description 7
- 239000000853 adhesive Substances 0.000 abstract description 6
- 235000017550 sodium carbonate Nutrition 0.000 description 14
- 239000012774 insulation material Substances 0.000 description 12
- 239000002994 raw material Substances 0.000 description 8
- 238000004321 preservation Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 239000007779 soft material Substances 0.000 description 3
- 239000000440 bentonite Substances 0.000 description 2
- 229940092782 bentonite Drugs 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 2
- 229910001948 sodium oxide Inorganic materials 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical group [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- ONCZQWJXONKSMM-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical compound O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4].[Si+4].[Si+4].[Si+4] ONCZQWJXONKSMM-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229940080314 sodium bentonite Drugs 0.000 description 1
- 229910000280 sodium bentonite Inorganic materials 0.000 description 1
- -1 sodium fluorosilicate Chemical compound 0.000 description 1
- 239000000725 suspension Substances 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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/06—Acrylates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Building Environments (AREA)
- Thermal Insulation (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
25 ~ parts of waste rock wool or glass wool or aluminum silicate wool, 20 ~ parts of waste expanded perlite powder and 5 ~ parts of waste calcium silicate board powder are taken as main materials, 15 parts of attapulgite, 15 parts of magnesium oxide powder, 5 ~ parts of montmorillonite and 1 ~ parts of montmorillonite are taken as reinforcing materials, 5 parts of sodium carbonate and 5 parts of adhesive are taken as modified adhesive materials, water is added for mixing and stirring for 30 ~ min, and the modified material is molded and dried to prepare the section.
Description
Technical Field
The invention provides a preparation method in the field of inorganic heat-insulating materials, in particular to a method for preparing a composite heat-insulating material by using waste inorganic heat-insulating materials.
Background
Inorganic heat insulating materials are generally required in high temperature environments, but soft materials such as rock wool and aluminum silicate wool and hard materials such as calcium silicate boards have many disadvantages, and have problems of instability in long-term use and deterioration in heat insulating ability. The ceramic composite thermal insulation material prepared by compounding the ceramic fiber and the powder can integrate the advantages of soft materials and hard materials, and has wide application prospect. In addition, inorganic heat insulation material wastes are increasing, and the inorganic heat insulation material wastes bring great pressure to environmental protection. The inorganic heat-insulating material waste has no obvious change in components after being used, and can be completely recycled as a raw material after being modified.
Disclosure of Invention
In order to prepare the heat-insulating material again by using the waste heat-insulating material, the invention provides a method for preparing a composite heat-insulating material by using the waste inorganic heat-insulating material. The method solves the technical problem of repeated processing and utilization of the waste inorganic heat-insulating material by a method of processing the waste inorganic heat-insulating material and compounding the reinforcing material and the modified binding material.
The technical scheme adopted by the invention for solving the technical problems is as follows:
25 ~ 35 parts of waste rock wool or glass wool or aluminum silicate wool, 20 ~ 30 parts of waste expanded perlite powder, 5 ~ 10 parts of waste calcium silicate board powder as a main material, 15 ~ 20 parts of attapulgite, 5 ~ 15 parts of magnesium oxide powder and 1 ~ 5 parts of montmorillonite as a reinforcing material, 5 ~ 10 parts of sodium carbonate and 5 ~ 10 parts of a binder as modified bonding materials are added with water, mixed and stirred for 30 ~ 60min and molded and dried to prepare the section.
The positive effects are as follows: the method of the invention can take the used waste inorganic heat-insulating material as the raw material to prepare the heat-insulating material which can be used by recombination. Therefore, the raw material cost is saved, the environmental pollution caused by waste heat-insulating materials is eliminated, the economic value is provided, the application range is wide, the heat-insulating effect is good, and the heat-insulating material can be used as a high-temperature-resistant heat-insulating material for heat pipelines, kilns and the like. The preparation method is suitable for being used as a high-temperature-resistant heat-insulating material.
Detailed Description
25 ~ 35 parts of waste rock wool or glass wool or aluminum silicate wool, 20 ~ 30 parts of waste expanded perlite powder, 5 ~ 10 parts of waste calcium silicate board powder as a main material, 15 ~ 20 parts of attapulgite, 5 ~ 15 parts of magnesium oxide powder and 1 ~ 5 parts of montmorillonite as a reinforcing material, 5 ~ 10 parts of sodium carbonate and 5 ~ 10 parts of a binder as modified bonding materials are added with water, mixed and stirred for 30 ~ 60min and molded and dried to prepare the section.
Mechanically carding, impurity removing, rinsing and dispersing the waste rock wool;
after the waste expanded perlite is subjected to air separation and impurity removal, the waste expanded perlite is sieved by a 100-mesh sieve;
and grinding the waste calcium silicate board balls to be less than 2 microns.
The forming comprises a plate and a cylinder, and is used for a solid surface heat insulation body and a pipeline heat insulation body.
Examples
Main material: 25kg of waste rock wool, 25kg of waste expanded perlite powder and 5kg of waste calcium silicate board powder;
reinforcing materials: 15kg of attapulgite, 15kg of magnesia powder and 5kg of montmorillonite;
modified binding material: 5kg of sodium carbonate and 5kg of acrylic acid binder;
mixing the main material, the reinforcing material and the modified binding material simultaneously, putting the mixture into a stirrer, stirring for 30 ~ 45min, uniformly stirring, forming on a casting machine, and drying by microwave or hot air to obtain the heat-insulating material for the body.
The heat insulation material prepared by the invention mainly comprises waste inorganic main materials, and is formed by combining a reinforcing material and a modified binding material, wherein the heat insulation material can be formed in a factory or can be subjected to wet construction on site, and the heat insulation material subjected to wet construction has flexibility and shape following forming property, and is cured after being dried to form a heat insulation body.
The processing process comprises the following steps:
firstly, weighing sodium carbonate, dissolving the sodium carbonate in water with a set amount, adding a binder into a sodium carbonate aqueous solution, stirring and dissolving, then adding a set amount of reinforcing material, stirring, mixing and foaming, then adding a set amount of main material, mixing and stirring, preparing a section or performing on-site coating construction, and preparing the heat insulation body.
The technical principle is as follows:
the waste rock wool, the waste expanded perlite powder and the waste calcium silicate board powder have heat insulation and heat preservation properties, so that the waste rock wool, the waste expanded perlite powder and the waste calcium silicate board powder can be recycled, the raw materials can have the same properties after recycling, the attapulgite, the magnesia powder and the montmorillonite can make up gaps and play a role in reinforcement, the sodium carbonate and the acrylic acid binder have modified binding properties, the added sodium carbonate can adjust the pH value of a heat insulation and heat preservation material forming body, the reinforcing material and the modified binder can make up the defects of the existing waste materials and improve the forming and heat insulation properties, and the binder can bond the raw materials so as to be beneficial to forming of a heat insulation material.
Tests show that the thermal conductivity coefficient of the thermal insulation material prepared by the invention is 0.03-0.05W/(m.K), and is reduced by 10% compared with the material prepared by singly using rock wool, perlite powder and calcium silicate board powder.
The innovation points are as follows:
waste rock wool, perlite powder and calcium silicate board powder are used as main raw materials, attapulgite, magnesia powder and montmorillonite are used as reinforcing materials, and sodium carbonate and an acrylic acid binder are used as modified binding materials. Preparing hard material or soft material with heat insulating and preserving performance.
Wherein the attapulgite clay is used as a main pulping and forming auxiliary agent, has good performance and low cost, and can replace the traditional asbestos. The dispersion is good under the stirring of external force, and stable suspension which is not damaged by electrolyte is formed, so that the slurry is not precipitated and not layered, and the coating has the advantages of good brushing performance and no sagging. It features high water accepting and discharging performance, good adhesion, light weight, high toughness, heat insulating, sound absorbing, mothproof and high sag resistance, and is suitable for air temperature change without deformation.
Wherein the magnesia powder and the light magnesia are mainly used as raw materials for preparing ceramics, enamel, refractory crucibles and refractory bricks. Has fire resistance and adhesive property.
The montmorillonite is a raw material mainly named bentonite, has water absorption expansibility and cohesiveness, is combined with other materials to form a porous structure, and has heat insulation and heat preservation properties.
The sodium carbonate is soda ash and is alkaline, the soda ash is decomposed into carbon dioxide and sodium oxide under the heating state, the carbon dioxide can enable the body material to generate air holes to form a foam structure, the foam structure can generate heat insulation and heat preservation performance, the sodium oxide in the sodium carbonate can be replaced with calcium ions in bentonite to form sodium bentonite, and the bonding and fluffy performance is improved.
The adhesive is water soluble acrylic acid, silicone-acrylate emulsion, sodium fluorosilicate or ammonium phosphate, and has adhesive performance and heat resistance. The selected adhesive has water solubility and water dispersibility, but can be bonded with the material after dehydration, so that the used adhesive loses water solubility and is cured and molded.
The creativity is as follows: the waste heat-insulating material is used as a main material, attapulgite, magnesia powder and montmorillonite are added for reinforcement, sodium carbonate is used as a modified material, and a binder is used for bonding and forming to prepare the heat-insulating material with high performance.
The method is characterized in that:
the heat insulation material prepared by the method is prepared by combining the waste heat insulation material, the reinforcing material and the modified bonding material, so that the defects of the waste heat insulation material are overcome, a novel material which is softer, easy to mold and has heat insulation performance is generated, the cost is low, the waste material can be utilized, the environmental pollution is reduced, the waste is changed into valuable, the prepared heat insulation material has more excellent heat insulation and heat preservation performance, the application range is wide, and the use is convenient.
Claims (7)
1. A method for preparing a composite heat-insulating material by using waste inorganic heat-insulating materials is characterized by comprising the following steps:
25 ~ 35 parts of waste rock wool or glass wool or aluminum silicate wool, 20 ~ 30 parts of waste expanded perlite powder, 5 ~ 10 parts of waste calcium silicate board powder as a main material, 15 ~ 20 parts of attapulgite, 5 ~ 15 parts of magnesium oxide powder and 1 ~ 5 parts of montmorillonite as reinforcing materials, 5 ~ 10 parts of sodium carbonate and 5 ~ 10 parts of binder as modified binding materials, and the main material, the reinforcing materials and the modified binding materials are mixed with water, stirred for 30 ~ 60min, molded and dried to prepare the section.
2. The method for preparing a composite heat insulating material using waste inorganic heat insulating materials as claimed in claim 1, wherein the method comprises the steps of: firstly, weighing sodium carbonate, dissolving the sodium carbonate in water with a set amount, adding a binder into a sodium carbonate aqueous solution, stirring and dissolving, then adding a set amount of reinforcing material, stirring, mixing and foaming, then adding a set amount of main material, mixing and stirring, preparing a section or performing on-site coating construction, and preparing the heat insulation body.
3. The method for preparing a composite heat insulating material using waste inorganic heat insulating materials as claimed in claim 1, wherein the method comprises the steps of: and mechanically carding, impurity removing, rinsing and dispersing the waste rock wool.
4. The method for preparing a composite heat insulating material using waste inorganic heat insulating materials as claimed in claim 1, wherein the method comprises the steps of: and after air separation and impurity removal, the waste expanded perlite is sieved by a 100-mesh sieve.
5. The method for preparing a composite heat insulating material using waste inorganic heat insulating materials as claimed in claim 1, wherein the method comprises the steps of: and grinding the waste calcium silicate board balls to be less than 2 microns.
6. The method for preparing a composite heat insulating material using waste inorganic heat insulating materials as claimed in claim 1, wherein the method comprises the steps of: the forming comprises a plate and a cylinder, and is used for a solid surface heat insulation body and a pipeline heat insulation body.
7. The method for preparing a composite heat insulating material using waste inorganic heat insulating materials as claimed in claim 1, wherein the method comprises the steps of: the binding material adopts one or a mixture of water-soluble acrylic acid, silicone-acrylic emulsion, sodium fluosilicate or ammonium phosphate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910880778.9A CN110627520A (en) | 2019-09-18 | 2019-09-18 | Method for preparing composite heat-insulating material from waste inorganic heat-insulating material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910880778.9A CN110627520A (en) | 2019-09-18 | 2019-09-18 | Method for preparing composite heat-insulating material from waste inorganic heat-insulating material |
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| CN110627520A true CN110627520A (en) | 2019-12-31 |
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| CN201910880778.9A Pending CN110627520A (en) | 2019-09-18 | 2019-09-18 | Method for preparing composite heat-insulating material from waste inorganic heat-insulating material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114380541A (en) * | 2021-12-21 | 2022-04-22 | 河北三棵树涂料有限公司 | Dry powder mortar based on color decoration and finishing material and preparation method thereof |
| WO2023227183A1 (en) * | 2022-05-25 | 2023-11-30 | Combineering Holding A/S | A molded article, binder system and method for producing a composite material from glass wool and stone wool |
| CN118290114A (en) * | 2024-05-29 | 2024-07-05 | 天津开发区科泰化工新材料开发有限公司 | A non-cement-based inorganic fireproof thermal insulation material and its preparation method and application |
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Application publication date: 20191231 |