CN112374907A - Aerogel modified thermal insulation material - Google Patents
Aerogel modified thermal insulation material Download PDFInfo
- Publication number
- CN112374907A CN112374907A CN202011293852.6A CN202011293852A CN112374907A CN 112374907 A CN112374907 A CN 112374907A CN 202011293852 A CN202011293852 A CN 202011293852A CN 112374907 A CN112374907 A CN 112374907A
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- CN
- China
- Prior art keywords
- aerogel
- thermal insulation
- parts
- aerogel modified
- modified thermal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
-
- 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
Abstract
The invention discloses an aerogel modified thermal insulation material, which comprises, by weight, 5-60 parts of an adhesive, 0.1-10 parts of a reinforcing agent, 0.5-60 parts of aerogel, 10-65 parts of a functional material and 10-60 parts of a liquid solvent, wherein the preparation method of the aerogel modified thermal insulation material comprises the following steps: the method comprises the following steps: taking an adhesive as a substrate material, sequentially adding aerogel, a reinforcing agent and a liquid solvent, and mixing after adding to obtain mixed slurry; step two: adding a functional material into the mixed material, and continuously mixing to obtain aerogel modified thermal insulation mortar; step three: and D, drying and forming the aerogel modified thermal insulation mortar obtained in the step two to obtain the aerogel modified thermal insulation board. The aerogel modified thermal insulation material prepared by the method can replace high-efficiency thermal insulation slurry on buildings, can be directly used as a thermal insulation material by scraping or brushing on the buildings, and avoids the problems of low efficiency and no thermal insulation effect of the traditional mortar at present.
Description
Technical Field
The invention relates to the technical field of thermal insulation materials, in particular to an aerogel modified thermal insulation material.
Background
In recent years, heat insulation materials develop rapidly, good heat insulation technology and materials are adopted in industry and buildings, the effect of achieving twice with half the effort is often achieved, generally, heat insulation materials are mainly used for improving gas phase void ratio and reducing heat conductivity coefficient and conduction coefficient, fiber heat insulation materials need to enable convective heat transfer and radiant heat transfer to be improved in a use environment, a thicker coating is needed, section inorganic heat insulation materials need to be assembled, the defects of multiple seams, loss of attractiveness, poor waterproofness, short service life and the like exist, and therefore people are always seeking and researching a novel material capable of greatly improving heat insulation and reflection performance of the heat insulation materials;
the aerogel is a nano-scale porous solid material formed by replacing a liquid phase in gel with gas in a certain drying mode by a sol-gel method, is solid powder with a particularly large volume, has a volume weight of only 3 kilograms per cubic meter, is seemingly fragile, is very firm and durable, can bear the high temperature of 1400 ℃ at most, and is also applied to the field of heat insulation materials along with the continuous change of the demand and the progress of the productivity;
the traditional heat insulation material has low heat insulation effect, is inflammable and waterproof, causes insufficient use adaptability and durability, and has certain limitation.
Disclosure of Invention
The invention mainly aims to provide an aerogel modified thermal insulation material to solve the problems of low thermal insulation effect, flammability, water resistance and the like of the conventional thermal insulation material.
In order to achieve the purpose, the invention adopts the technical scheme that: an aerogel modified thermal insulation material comprises, by weight, 5-60 parts of an adhesive, 0.1-10 parts of a reinforcing agent, 0.5-60 parts of aerogel, 10-65 parts of a functional material and 10-60 parts of a liquid solvent.
Preferably, the adhesive comprises, by weight, 25-40 parts of an adhesive, 3-7 parts of a reinforcing agent, 20-40 parts of aerogel, 30-45 parts of a functional material and 20-50 parts of a liquid solvent.
Preferably, the preparation method of the aerogel modified thermal insulation material comprises the following steps:
the method comprises the following steps: taking an adhesive as a substrate material, sequentially adding aerogel, a reinforcing agent and a liquid solvent, and mixing after adding to obtain mixed slurry;
step two: adding a functional material into the mixed material, and continuously mixing to obtain aerogel modified thermal insulation mortar;
step three: and D, drying and forming the aerogel modified thermal insulation mortar obtained in the step two to obtain the aerogel modified thermal insulation board.
Preferably, the adhesive includes, but is not limited to, water glass or cement or other organic binders or mixtures thereof.
Preferably, the reinforcing agent is aluminum silicate fibers or other fibers or silicon whiskers or ceramic whiskers.
Preferably, the functional material is hollow vitrified micro bubbles or closed cell perlite or fly ash or polyphenyl particles.
Preferably, the liquid solvent includes, but is not limited to, water or alcohol.
Preferably, in the first step and the second step, the solvent may be directly added to the aerogel to prepare a slurry, and then the other materials are sequentially added, wherein the solvent includes a cosolvent, the cosolvent includes a surfactant, and since the aerogel is a hydrophobic powder with a very large volume, and is likely to cause insolubility when directly added to water, the surfactant is added to reduce the tension, and the slurry is prepared first, and then the other materials are sequentially added.
The invention has the following beneficial effects:
the modified thermal insulation material prepared by the method is made into a plate-shaped thermal insulation material, can be directly used as a thermal insulation plate for wall surface pasting, and can be subjected to reinforcing technical treatment by coating mortar (or with grid cloth) on two surfaces.
The heat-insulating material prepared by the method has the effects of heat preservation, heat insulation and the like by adding aerogel components.
The heat-insulating material prepared by the method can be prepared into slurry, and can be directly scraped or coated, so that the operation efficiency is improved, and the adaptability is enhanced.
The thermal insulation material prepared by the method can replace high-efficiency thermal insulation slurry on a building, and can be directly used as a thermal insulation material by scraping or brushing on the building, so that the problems of low efficiency and no thermal insulation effect of the traditional mortar at present are solved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
An aerogel modified thermal insulation material comprises, by weight, 5-60 parts of an adhesive, 0.1-10 parts of a reinforcing agent, 0.5-60 parts of aerogel, 10-65 parts of a functional material and 10-60 parts of a liquid solvent;
the composite material comprises, by weight, 32 parts of an adhesive, 5 parts of a reinforcing agent, 30 parts of aerogel, 37 parts of a functional material and 35 parts of a liquid solvent;
wherein, the adhesive comprises but is not limited to water glass or cement or other organic adhesives or the mixture thereof;
wherein, the reinforcing agent is aluminum silicate fiber or other fibers or silicon whiskers or ceramic whiskers;
wherein the functional material is hollow vitrified micro-beads or closed-cell perlite or fly ash or polyphenyl particles;
the liquid solvent includes, but is not limited to, water or alcohol.
Example two
The preparation method of the aerogel modified insulation board comprises the following steps:
the method comprises the following steps: taking an adhesive as a substrate material, sequentially adding aerogel, a reinforcing agent and a liquid solvent, and mixing after adding to obtain mixed slurry;
step two: adding a functional material into the mixed material, and continuously mixing to obtain aerogel modified thermal insulation mortar;
step three: and D, drying and forming the aerogel modified thermal insulation mortar obtained in the step two to obtain the aerogel modified thermal insulation board.
In the first step and the second step, the solvent can be directly added into the aerogel to prepare slurry, and then other materials are sequentially added, wherein the solvent comprises a cosolvent, the cosolvent comprises a surfactant, and the aerogel is hydrophobic powder with very large volume and can be insoluble when being directly added into water, so that the surfactant is required to be added to reduce the tension, the slurry is prepared, and then the other materials are sequentially added.
EXAMPLE III
The preparation method of the aerogel modified thermal insulation mortar comprises the following steps:
the method comprises the following steps: taking an adhesive as a substrate material, sequentially adding aerogel, a reinforcing agent and a liquid solvent, and mixing after adding to obtain mixed slurry;
step two: and adding a functional material into the mixed material, and continuously mixing to obtain the aerogel modified thermal insulation mortar.
In the first step and the second step, the solvent can be directly added into the aerogel to prepare slurry, and then other materials are sequentially added, wherein the solvent comprises a cosolvent, the cosolvent comprises a surfactant, and the aerogel is hydrophobic powder with very large volume and can be insoluble when being directly added into water, so that the surfactant is required to be added to reduce the tension, the slurry is prepared, and then the other materials are sequentially added.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The aerogel modified thermal insulation material is characterized by comprising, by weight, 5-60 parts of an adhesive, 0.1-10 parts of a reinforcing agent, 0.5-60 parts of aerogel, 10-65 parts of a functional material and 10-60 parts of a liquid solvent.
2. The aerogel modified thermal insulation material as claimed in claim 1, which comprises 25 to 40 parts by weight of an adhesive, 3 to 7 parts by weight of a reinforcing agent, 20 to 40 parts by weight of aerogel, 30 to 45 parts by weight of a functional material and 20 to 50 parts by weight of a liquid solvent.
3. The aerogel modified insulation material as claimed in claim 2, wherein the preparation method of the aerogel modified insulation material comprises:
the method comprises the following steps: taking an adhesive as a substrate material, sequentially adding aerogel, a reinforcing agent and a liquid solvent, and mixing after adding to obtain mixed slurry;
step two: adding a functional material into the mixed material, and continuously mixing to obtain aerogel modified thermal insulation mortar;
step three: and D, drying and forming the aerogel modified thermal insulation mortar obtained in the step two to obtain the aerogel modified thermal insulation board.
4. The aerogel modified insulation of claim 2, wherein said binder comprises but is not limited to water glass or cement or other organic binder or mixture thereof.
5. The aerogel modified insulation of claim 2, wherein the reinforcing agent is aluminum silicate fibers or other fibers or silicon whiskers or ceramic whiskers.
6. The aerogel modified insulation material as claimed in claim 2, wherein the functional material is hollow vitrified micro bubbles or closed cell perlite or fly ash or polyphenyl particles.
7. The aerogel modified insulation of claim 2, wherein said liquid solvent comprises but is not limited to water or alcohol.
8. The aerogel modified thermal insulation material as claimed in claim 2, wherein the solvent in the first step and the second step can be directly added into the aerogel to prepare a slurry, and then other materials are sequentially added, wherein the solvent comprises a cosolvent, and the cosolvent comprises a surfactant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011293852.6A CN112374907A (en) | 2020-11-18 | 2020-11-18 | Aerogel modified thermal insulation material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011293852.6A CN112374907A (en) | 2020-11-18 | 2020-11-18 | Aerogel modified thermal insulation material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112374907A true CN112374907A (en) | 2021-02-19 |
Family
ID=74585120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011293852.6A Withdrawn CN112374907A (en) | 2020-11-18 | 2020-11-18 | Aerogel modified thermal insulation material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112374907A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113894887A (en) * | 2021-10-15 | 2022-01-07 | 沂蒙绿创(山东)木业有限公司 | Aerogel mixed paste filling board and preparation method thereof |
| CN113914751A (en) * | 2021-10-19 | 2022-01-11 | 沂蒙绿创(山东)木业有限公司 | Aerogel mixed paste filled wood door plate and preparation method thereof |
-
2020
- 2020-11-18 CN CN202011293852.6A patent/CN112374907A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113894887A (en) * | 2021-10-15 | 2022-01-07 | 沂蒙绿创(山东)木业有限公司 | Aerogel mixed paste filling board and preparation method thereof |
| CN113894887B (en) * | 2021-10-15 | 2023-03-10 | 山东华美加新材料科技有限公司 | Aerogel mixed paste filling plate and preparation method thereof |
| CN113914751A (en) * | 2021-10-19 | 2022-01-11 | 沂蒙绿创(山东)木业有限公司 | Aerogel mixed paste filled wood door plate and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210219 |
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| WW01 | Invention patent application withdrawn after publication |