CN110240463A - A kind of environment-friendly type inorganic insulating material and preparation method thereof - Google Patents
A kind of environment-friendly type inorganic insulating material and preparation method thereof Download PDFInfo
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- CN110240463A CN110240463A CN201910412620.9A CN201910412620A CN110240463A CN 110240463 A CN110240463 A CN 110240463A CN 201910412620 A CN201910412620 A CN 201910412620A CN 110240463 A CN110240463 A CN 110240463A
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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
- C04B28/26—Silicates of the alkali metals
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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
- C04B2111/00008—Obtaining or using nanotechnology related materials
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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
- C04B2111/00017—Aspects relating to the protection of the environment
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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
- 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
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Thermal Insulation (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a kind of environment-friendly type inorganic insulating materials and preparation method thereof, including waterglass, sepiolite powder, sepiolite fibre, expanded perlite, titanium dioxide, zinc powder, ferrophosphorus powder, aluminium polychloride, hollow glass micropearl, nanometer titanium dioxide silica aerogel powder and organosilicon moisture repellent；First titanium dioxide and sepiolite powder are added in waterglass when preparation and are dispersed with stirring, expanded perlite and sepiolite fibre is added, mixture A is made, zinc powder, ferrophosphorus powder, aluminium polychloride, hollow glass micropearl, nanometer titanium dioxide silica aerogel powder and organosilicon moisture repellent are mixed again, mixture B is made, obtained thermal insulation material after being finally mixed and stirred for mixture A and mixture B uniformly.The thermal insulation material is by the compounding between raw material, and then the thermal insulation material heat preservation and insulation prepared is excellent, resistance to compression crack resistance is strong, fire retardant anticorrosion is had excellent performance, and safety and environmental protection.
Description
Technical field
The invention belongs to field of heat insulating materials more particularly to a kind of environment-friendly type inorganic insulating material and preparation method thereof.
Background technique
Thermal insulation material is the necessity in the fields such as building, chemical industry, thermoelectricity.Thermal insulation material is mostly organic heat-insulating material at present
Material.Common organic insulation material is generated in preparation and use process and can be impacted to environment, and organic insulation material is inflammable
It burns, generates pernicious gas in a fire, therefore the inorganic heat insulation material with fire protecting performance receives favor.
Inorganic heat insulation material thermal expansion coefficient is small, and cracking resistance peel is had excellent performance.But current inorganic heat insulation material
Function is more single, and compressive property is poor, and heat-proof quality is poor, long as the thermal insulation material curing time of bonding agent using waterglass, and bonding is strong
Degree not enough, limits its use scope, and current inorganic-organic thermal insulation material is that organic tree is added in inorganic heat insulation material
Rouge is to improve the water resistance and compressive property of product, however inorganic organic phase combination product there are compatibilities poor, curing degree
The problems such as low.
Therefore, a kind of novel environment-friendly type inorganic insulating material is now needed, comprehensive performance is strong.
Summary of the invention
Goal of the invention: the first object of the present invention is to provide the environmental protection inorganic that a kind of heat-proof quality is excellent, crushing resistance is strong and protects
Adiabator；
The second object of the present invention is to provide the preparation method of the inorganic heat insulation material.
Technical solution: environment-friendly type inorganic insulating material of the invention includes: 40-50 parts of waterglass, Hai Pao in parts by weight
5-15 parts of mountain flour, 6-10 parts of sepiolite fibre, 1-3 parts of expanded perlite, 5-8 parts of titanium dioxide, 5-10 parts of zinc powder, ferrophosphorus powder 2-5
Part, 4-7 parts of aluminium polychloride, 8-12 parts of hollow glass micropearl, 4-8 parts of nanometer titanium dioxide silica aerogel powder and organosilicon moisture repellent
2-4 parts.
Furtherly, waterglass can be potassium water glass or sodium silicate, preferably potassium water glass.Organosilicon moisture repellent can be
Polysiloxanes powder hydrophober using the polysiloxanes powder hydrophober, and then utilizes organo-silicon compound and inorganic silicate
Stronger chemical affinity between material, and then reach the surface characteristic for effectively changing silicate material, enhance hydrophobic effect,
And stability is excellent, at low cost, application simple process.
The method that the present invention prepares above-mentioned environment-friendly type inorganic insulating material, includes the following steps:
(1) titanium dioxide and sepiolite powder are added in waterglass in parts by weight and are dispersed with stirring, be added expanded perlite with
Mixture A is made in sepiolite fibre；
(2) in parts by weight by zinc powder, ferrophosphorus powder, aluminium polychloride, hollow glass micropearl, nanometer titanium dioxide silica aerogel
Powder and organosilicon moisture repellent mixing, are made mixture B；
(3) obtained thermal insulation material after being mixed and stirred for mixture A and mixture B uniformly.
Furtherly, in the preparation, titanium dioxide and sepiolite powder are added in waterglass and are dispersed with stirring 15-25min.Add
After entering expanded perlite and sepiolite fibre, disperse 30-40min under the conditions of 1400-1600r/min.
The utility model has the advantages that compared with prior art, remarkable advantage of the invention are as follows: the thermal insulation material passes through answering between raw material
Match, and then the thermal insulation material heat preservation and insulation prepared is excellent, resistance to compression crack resistance is strong, fire retardant anticorrosion is had excellent performance, and safety and environmental protection；
Wherein, by compounding zinc powder and aluminium polychloride, and then enable to aluminium polychloride that zinc powder to be complexed by surface
The mode of coordination plays bridge linking effect, while aluminium polychloride reacts with waterglass and zinc powder, generates netted silicic acid zinc-aluminium
Complex compound accelerates curing time, improves the adhesive property of the thermal insulation material and metallic matrix, further enhances the heat preservation
The antiseptic property and compressive property of material.
Specific embodiment
Below with reference to embodiment, further details of the technical solution of the present invention.Unless otherwise specified, of the invention
Used raw material is commercially available to be obtained.
Embodiment 1
The component and content of the raw material of the environment-friendly type inorganic insulating material are as shown in table 1 below.
The thermal insulation material component and content of 1 embodiment 1 of table
The preparation method of the thermal insulation material includes the following steps:
(1) titanium dioxide and sepiolite powder are added in potassium water glass in parts by weight and are dispersed with stirring 20min, it is precious that expansion is added
Mixture A is made in 1500r/min condition high-speed stirred 30min in Zhu Yan and sepiolite fibre；
(2) in parts by weight by zinc powder, ferrophosphorus powder, aluminium polychloride, hollow glass micropearl, nanometer titanium dioxide silica aerogel
Powder and the mixing of polysiloxanes powder hydrophober, are made mixture B；
(3) obtained thermal insulation material after being mixed and stirred for mixture A and mixture B uniformly.
Embodiment 2
The component and content of the raw material of the environment-friendly type inorganic insulating material are as shown in table 2 below.
The thermal insulation material component and content of 2 embodiment 2 of table
| Component | Content |
| Potassium water glass | 45 |
| Sepiolite powder | 10 |
| Sepiolite fibre | 8 |
| Expanded perlite | 3 |
| Titanium dioxide | 5 |
| Zinc powder | 8 |
| Ferrophosphorus powder | 5 |
| Aluminium polychloride | 5 |
| Hollow glass micropearl | 10 |
| Nanometer titanium dioxide silica aerogel powder | 5 |
| Polysiloxanes powder hydrophober | 3 |
The preparation method of the thermal insulation material includes the following steps:
(1) titanium dioxide and sepiolite powder are added in potassium water glass in parts by weight and are dispersed with stirring 20min, it is precious that expansion is added
Mixture A is made in 1500r/min condition high-speed stirred 30min in Zhu Yan and sepiolite fibre；
(2) in parts by weight by zinc powder, ferrophosphorus powder, aluminium polychloride, hollow glass micropearl, nanometer titanium dioxide silica aerogel
Powder and the mixing of polysiloxanes powder hydrophober, are made mixture B；
(3) obtained thermal insulation material after being mixed and stirred for mixture A and mixture B uniformly.
Embodiment 3
The component and content of the raw material of the environment-friendly type inorganic insulating material are as shown in table 3 below.
The thermal insulation material component and content of 3 embodiment 3 of table
| Component | Content |
| Potassium water glass | 40 |
| Sepiolite powder | 6 |
| Sepiolite fibre | 6 |
| Expanded perlite | 1 |
| Titanium dioxide | 6 |
| Zinc powder | 5 |
| Ferrophosphorus powder | 5 |
| Aluminium polychloride | 4 |
| Hollow glass micropearl | 8 |
| Nanometer titanium dioxide silica aerogel powder | 4 |
| Polysiloxanes powder hydrophober | 2 |
The preparation method of the thermal insulation material includes the following steps:
(1) titanium dioxide and sepiolite powder are added in potassium water glass in parts by weight and are dispersed with stirring 20min, it is precious that expansion is added
Mixture A is made in 1500r/min condition high-speed stirred 30min in Zhu Yan and sepiolite fibre；
(2) in parts by weight by zinc powder, ferrophosphorus powder, aluminium polychloride, hollow glass micropearl, nanometer titanium dioxide silica aerogel
Powder and the mixing of polysiloxanes powder hydrophober, are made mixture B；
(3) obtained thermal insulation material after being mixed and stirred for mixture A and mixture B uniformly.
Comparative example 1
Component and preparation method are substantially the same manner as Example 1, the difference is that not adding aluminium polychloride in component.
Comparative example 2
Component and preparation method are substantially the same manner as Example 1, the difference is that not adding zinc powder in component.
Thermal insulation material prepared by above-described embodiment 1-3 and comparative example 1-2 carries out performance detection, the result of acquisition such as following table
Shown in 4.
The performance of the thermal insulation material of table 4 embodiment 1-3 and comparative example 1-2 preparation
By table 4 it is found that the present invention enables to polyaluminium by addition zinc powder and aluminium polychloride, the combination of the two
Aluminium plays bridge linking effect to zinc powder by way of the complex coordination of surface, while aluminium polychloride and waterglass and zinc powder occur instead
It answers, generates netted silicic acid zinc-aluminium complex compound, accelerate curing time, improve the cementability of the thermal insulation material and metallic matrix
Can, further enhance the antiseptic property and compressive property of the thermal insulation material.
Embodiment 4
The component and content of the raw material of the environment-friendly type inorganic insulating material are as shown in table 5 below.
The thermal insulation material component and content of 5 embodiment 4 of table
| Component | Content |
| Sodium silicate | 45 |
| Sepiolite powder | 5 |
| Sepiolite fibre | 8 |
| Expanded perlite | 2 |
| Titanium dioxide | 6 |
| Zinc powder | 10 |
| Ferrophosphorus powder | 2 |
| Aluminium polychloride | 7 |
| Hollow glass micropearl | 10 |
| Nanometer titanium dioxide silica aerogel powder | 8 |
| Polysiloxanes powder hydrophober | 3 |
The preparation method of the thermal insulation material includes the following steps:
(1) titanium dioxide and sepiolite powder are added in sodium silicate in parts by weight and are dispersed with stirring 25min, it is precious that expansion is added
Mixture A is made in 1400r/min condition high-speed stirred 40min in Zhu Yan and sepiolite fibre；
(2) in parts by weight by zinc powder, ferrophosphorus powder, aluminium polychloride, hollow glass micropearl, nanometer titanium dioxide silica aerogel
Powder and the mixing of polysiloxanes powder hydrophober, are made mixture B；
(3) obtained thermal insulation material after being mixed and stirred for mixture A and mixture B uniformly.
Thermal insulation material prepared by above-described embodiment 4 carries out performance detection, and the result of acquisition is as shown in table 6 below.
The performance of the thermal insulation material of 6 embodiment 4 of table preparation
By table 6 it is found that thermal insulation material of the invention is by the compounding between raw material, and then the thermal insulation material prepared is heat-insulated
Thermal insulation property is excellent, resistance to compression crack resistance is strong, fire retardant anticorrosion is had excellent performance, and safety and environmental protection.
In addition to the implementation, also stirring point in waterglass can be added in the preparation in titanium dioxide and sepiolite powder by the present invention
25min is dissipated, after expanded perlite and sepiolite fibre is added, disperses 30min under the conditions of 1600r/min.
Claims (7)
1. a kind of environment-friendly type inorganic insulating material, it is characterised in that in parts by weight include: 40-50 parts of waterglass, sepiolite powder
5-15 parts, it is 6-10 parts of sepiolite fibre, 1-3 parts of expanded perlite, 5-8 parts of titanium dioxide, 5-10 parts of zinc powder, 2-5 parts of ferrophosphorus powder, poly-
Aluminium chloride 4-7 parts of conjunction, 8-12 parts of hollow glass micropearl, 4-8 parts of nanometer titanium dioxide silica aerogel powder and organosilicon moisture repellent 2-4
Part.
2. environment-friendly type inorganic insulating material according to claim 1, it is characterised in that: the organosilicon moisture repellent is poly- silicon
Oxygen alkane powder hydrophober.
3. environment-friendly type inorganic insulating material according to claim 1, it is characterised in that: the waterglass be potassium water glass or
Sodium silicate.
4. environment-friendly type inorganic insulating material according to claim 3, it is characterised in that: the waterglass is potassium water glass.
5. a kind of method for preparing environment-friendly type inorganic insulating material described in claim 1, it is characterised in that include the following steps:
(1) titanium dioxide and sepiolite powder are added in waterglass in parts by weight and are dispersed with stirring, expanded perlite and Hai Pao is added
Mixture A is made in mineral wool；
(2) in parts by weight by zinc powder, ferrophosphorus powder, aluminium polychloride, hollow glass micropearl, nanometer titanium dioxide silica aerogel powder and
Organosilicon moisture repellent mixing, is made mixture B；
(3) obtained thermal insulation material after being mixed and stirred for mixture A and mixture B uniformly.
6. preparing the method for environment-friendly type inorganic insulating material according to claim 5, it is characterised in that: it is described by titanium dioxide and
Sepiolite powder is added in waterglass and is dispersed with stirring 15-25min.
7. preparing the method for environment-friendly type inorganic insulating material according to claim 5, it is characterised in that: the addition expansion is precious
Zhu Yan disperses 30-40min under the conditions of 1400-1600r/min with after sepiolite fibre.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111647289A (en) * | 2020-05-25 | 2020-09-11 | 贵州省昊越新型材料科技有限公司 | Inorganic heat-preservation and heat-insulation coating |
| CN113387673A (en) * | 2021-07-06 | 2021-09-14 | 南京苏夏设计集团股份有限公司 | Composite aluminum-magnesium paste and preparation method thereof |
| CN113846527A (en) * | 2021-09-29 | 2021-12-28 | 浙江大学 | Overwintering protection coiled material for seasonal frozen soil engineering and construction method |
| CN114716234A (en) * | 2022-04-20 | 2022-07-08 | 武汉钢铁有限公司 | Nano composite thermal insulation material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050066859A1 (en) * | 2003-09-29 | 2005-03-31 | Jun-Han Choi | Incombustible composition, incombustible construction product using incombustible composition, and method of producing incombustible construction product |
| CN103058622A (en) * | 2013-01-15 | 2013-04-24 | 赵峰 | Inorganic thermal insulation material and preparation method thereof |
| CN107117928A (en) * | 2017-07-04 | 2017-09-01 | 合肥慧林建材有限公司 | A kind of inorganic heat insulation material and preparation method thereof |
-
2019
- 2019-05-17 CN CN201910412620.9A patent/CN110240463A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050066859A1 (en) * | 2003-09-29 | 2005-03-31 | Jun-Han Choi | Incombustible composition, incombustible construction product using incombustible composition, and method of producing incombustible construction product |
| CN103058622A (en) * | 2013-01-15 | 2013-04-24 | 赵峰 | Inorganic thermal insulation material and preparation method thereof |
| CN107117928A (en) * | 2017-07-04 | 2017-09-01 | 合肥慧林建材有限公司 | A kind of inorganic heat insulation material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 黄敏超: "《航天热能工程学》", 31 August 2016, 国防工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111647289A (en) * | 2020-05-25 | 2020-09-11 | 贵州省昊越新型材料科技有限公司 | Inorganic heat-preservation and heat-insulation coating |
| CN113387673A (en) * | 2021-07-06 | 2021-09-14 | 南京苏夏设计集团股份有限公司 | Composite aluminum-magnesium paste and preparation method thereof |
| CN113846527A (en) * | 2021-09-29 | 2021-12-28 | 浙江大学 | Overwintering protection coiled material for seasonal frozen soil engineering and construction method |
| CN114716234A (en) * | 2022-04-20 | 2022-07-08 | 武汉钢铁有限公司 | Nano composite thermal insulation material and preparation method thereof |
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