CN109231821A - A kind of building thermal insulation material and preparation method - Google Patents
A kind of building thermal insulation material and preparation method Download PDFInfo
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- CN109231821A CN109231821A CN201810990930.4A CN201810990930A CN109231821A CN 109231821 A CN109231821 A CN 109231821A CN 201810990930 A CN201810990930 A CN 201810990930A CN 109231821 A CN109231821 A CN 109231821A
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- thermal insulation
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- insulation material
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/006—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels to produce glass through wet route
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Building Environments (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The present invention provides a kind of building thermal insulation materials and preparation method thereof, the building thermal insulation material is by mass percentage, including following components: 50~60% glass powder, 20~35% coal powder, 8~10% dispersing agent, 0.5~2% foaming agent, 3~5% binder, 2~6% phase-change material, 0.5~2% hydroxypropyl methyl cellulose ether.There is phase-change material, phase-change material has phase-changing energy-storing effect, being capable of significant increase heat insulation effect in material；The hydroxypropyl methyl cellulose ether of use can improve the mobility and water-retaining property of slurry, enhance its compression strength.
Description
Technical field
The present invention relates to building material field, in particular to a kind of building thermal insulation material and preparation method thereof.
Background technique
The material used between floors is referred to as construction material.The range that novel construction material includes is very wide, there is guarantor
Adiabator, heat-barrier material, high-strength material, the material that can be breathed etc. belong to new material.Construction material be civil engineering and
The general designation of material used in architectural engineering.In construction material, thermal insulation material generally refers to thermal coefficient and is less than or equal to
0.12 material.
Building heat-insulation and heat-preservation is energy saving, improvement living environment and an importance using function.Build energy
Consumption proportion in the entire energy consumption of the mankind therefore is built generally in 30-40%, the mostly energy consumption of heating and air-conditioning
Energy-saving significance is great.
However, existing building thermal insulation material is usually made of ingredients such as glass powder, flyash, foaming agent and dispersing agents,
Its thermal insulation property is general and compression strength is low, affects the practicability and generalization of building thermal insulation material.
Summary of the invention
Based on this, the object of the present invention is to provide a kind of building thermal insulation materials and preparation method thereof, solve existing building and protect
Adiabator poor thermal insulation property and the lower problem of compression strength.
The present invention provides a kind of building thermal insulation material, by mass percentage, including following components:
50~60% glass powder, 20~35% coal powder, 8~10% dispersing agent, 0.5~2% foaming agent, 3
~5% binder, 2~6% phase-change material, 0.5~2% hydroxypropyl methyl cellulose ether.
Beneficial effects of the present invention: having phase-change material in material, phase-change material has phase-changing energy-storing effect, can be very big
Promote heat insulation effect；The hydroxypropyl methyl cellulose ether of use can improve the mobility and water-retaining property of slurry, enhance its resistance to compression
Intensity.
Further, building thermal insulation material by mass percentage, including following components:
55% glass powder, 25% coal powder, 8% dispersing agent, 1% foaming agent, 5% binder, 5% phase
Become the hydroxypropyl methyl cellulose ether of material, 1%.
Further, the phase-change material is lauric acid-stearic acid eutectic phase-change material or lauric acid-stearic acid/fiber
Plain compound eutectic phase-change material.
Further, the dispersing agent is fatty glyceride, fatty acid sorbitan, polysorbate, dodecyl sulphate
One of sodium, methyl anyl alcohol, polyacrylamide, fatty acid polyethylene glycol ester, glyceryl monostearate, glyceryl tristearate
Or a variety of mixture.
Further, the foaming agent be dodecyldimethylamine oxide, N- dodecyl ethanol amine, sodium bicarbonate,
One of ammonium hydrogen carbonate, ammonium carbonate or a variety of mixtures.
Further, by mass percentage, the foaming agent is the dodecyldimethylamine oxide of 35-45%, 30-
The mixture of 50% N- dodecyl ethanol amine, 10~15% ammonium hydrogen carbonate.
Further, the binder is magnesium phosphate, aluminum phosphate, any one in aluminium borate.
The present invention also provides a kind of preparation methods of above-mentioned building thermal insulation material, comprising the following steps:
By mass percentage, weigh following components respectively: 50~60% glass powder, 20~35% coal powder, 8~
10% dispersing agent, 0.5~2% foaming agent, 3~5% binder, 2~6% phase-change material, 0.5~2% hydroxypropyl
Ylmethyl cellulose ether；
By glass powder, coal powder, dispersing agent and water mixing and ball milling, suspension is obtained；
Phase-change material and hydroxypropyl methyl cellulose ether are sequentially added into the suspension, after stirring stablize place 30~
40 minutes；
Then foaming agent, binder and hydroxypropyl methyl cellulose ether are sequentially added, obtains foamed slurry after stirring；
By the foamed slurry through centrifugal atomizing, be dried to obtain cenosphere；
The cenosphere is fitted into mold, then mold is put into baking oven and is sintered, building thermal insulation material is finally made.
Further, the temperature being sintered in baking oven is 800~850 DEG C.
Further, the soaking time being sintered in baking oven is 4~5h.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Fig. 1 is the flow chart of the preparation method of the building thermal insulation material of embodiment of the present invention.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give preferred embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to the disclosure.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Embodiment 1
Existing building thermal insulation material is usually made of ingredients such as glass powder, flyash, foaming agent and dispersing agents, heat preservation
Performance is general and compression strength is low, affects the practicability and generalization of building thermal insulation material.
In order to solve this technical problem, of the invention provides a kind of building thermal insulation material, by mass percentage, including
Following components:
A kind of building thermal insulation material, by weight percentage, including following components:
55% glass powder, 25% coal powder, 8% dispersing agent, 1% foaming agent, 5% binder, 5% phase
Become the hydroxypropyl methyl cellulose ether of material, 1%.
Phase-change material is lauric acid-stearic acid eutectic phase-change material.
Dispersing agent is the equal proportion mixture of fatty glyceride, polysorbate, fatty acid polyethylene glycol ester.
Foaming agent be dodecyldimethylamine oxide, N- dodecyl ethanol amine, ammonium hydrogen carbonate mixture, specifically
, by weight percentage, foaming agent include 40% dodecyldimethylamine oxide, 50% N- dodecyl ethanol amine,
10% ammonium hydrogen carbonate.
Binder is aluminum phosphate.
As shown in Figure 1, the preparation method of the building thermal insulation material of the present embodiment, comprising the following steps:
S1. by weight percentage, following components: 55% glass powder, 25% coal powder, 8% dispersion is weighed respectively
Agent, 1% foaming agent, 5% binder, 5% phase-change material, 1% hydroxypropyl methyl cellulose ether；
S2. by glass powder, coal powder, dispersing agent and water mixing and ball milling, suspension is obtained；
S3. phase-change material, hydroxypropyl methyl cellulose ether are sequentially added into the suspension, are stablized after stirring and are placed 30
Minute；
S4. foaming agent, binder and hydroxypropyl methyl cellulose ether then are sequentially added, obtains foamed slurry after stirring；
S5. by the foamed slurry through centrifugal atomizing, be dried to obtain cenosphere；
S6. the cenosphere is fitted into mold, then mold is put into baking oven and is sintered, wherein be sintered in baking oven
Temperature is 830 DEG C, soaking time 4.5h.Finally obtained building thermal insulation material.
Measurement result by test, the building thermal insulation material of the present embodiment, compression strength and thermal coefficient is shown in Table 1.
Embodiment 2
Embodiment 2 difference from example 1 is that:
The component of the building thermal insulation material are as follows: 55% glass powder, 24% coal powder, 9% dispersing agent, 1.5%
Foaming agent, 5% binder, 4% phase-change material, 1.5% hydroxypropyl methyl cellulose ether.
Phase-change material is lauric acid-stearic acid/cellulose compound eutectic phase-change material.
Dispersing agent is fatty glyceride, methylpentane equal proportion mixture.
Foaming agent is the mixture of dodecyldimethylamine oxide, N- dodecyl ethanol amine and sodium bicarbonate.Specifically
, by mass percentage, foaming agent include 35% dodecyldimethylamine oxide, 40% N- dodecyl ethanol amine,
25% sodium bicarbonate.
Binder is aluminium borate.
In S2 step, phase-change material, hydroxypropyl methyl cellulose ether are sequentially added into the suspension, are stablized after stirring
It places 40 minutes；
Sintering temperature is 800 DEG C in baking oven, soaking time 4h.
Measurement result by test, the building thermal insulation material of the present embodiment, compression strength and thermal coefficient is shown in Table 1.
Embodiment 3
Embodiment 3 difference from example 1 is that:
The component of the building thermal insulation material are as follows: 51% glass powder, 30% coal powder, 8% dispersing agent, 1%
Foaming agent, 4% binder, 5% phase-change material, 1% hydroxypropyl methyl cellulose ether.
Dispersing agent is the equal proportion mixture of fatty acid sorbitan, lauryl sodium sulfate.
Foaming agent is the mixture of dodecyldimethylamine oxide, N- dodecyl ethanol amine and sodium bicarbonate.Specifically
, by mass percentage, foaming agent include 45% dodecyldimethylamine oxide, 30% N- dodecyl ethanol amine,
25% sodium bicarbonate.
In S2 step, phase-change material, hydroxypropyl methyl cellulose ether are sequentially added into the suspension, are stablized after stirring
It places 35 minutes；
Sintering temperature is 850 DEG C in baking oven, soaking time 5h.
Measurement result by test, the building thermal insulation material of the present embodiment, compression strength and thermal coefficient is shown in Table 1.
Embodiment 4
Embodiment 4 is substantially the same manner as Example 1, the difference is that:
The component of the building thermal insulation material are as follows: 50% glass powder, 35% coal powder, 8% dispersing agent, 0.5%
Foaming agent, 3% binder, 3% phase-change material, 0.5% hydroxypropyl methyl cellulose ether.
Phase-change material is lauric acid-stearic acid/cellulose compound eutectic phase-change material.
Dispersing agent is fatty acid sorbitan.
Foaming agent is the mixture of N- dodecyl ethanol amine, sodium bicarbonate, ammonium hydrogen carbonate.Specifically, pressing quality percentage
Than foaming agent includes 50% N- dodecyl ethanol amine, 25% sodium bicarbonate and 25% ammonium hydrogen carbonate.
Binder is magnesium phosphate.
In S2 step, phase-change material, hydroxypropyl methyl cellulose ether are sequentially added into the suspension, are stablized after stirring
It places 40 minutes；
Sintering temperature is 850 DEG C in baking oven, soaking time 5h.
Measurement result by test, the building thermal insulation material of the present embodiment, compression strength and thermal coefficient is shown in Table 1.
Embodiment 5
Embodiment 5 is substantially the same manner as Example 1, the difference is that:
The component of the building thermal insulation material are as follows: 60% glass powder, 20% coal powder, 10% dispersing agent, 2%
Foaming agent, 4% binder, 2% phase-change material, 2% hydroxypropyl methyl cellulose ether.
Phase-change material is lauric acid-stearic acid eutectic phase-change material.
Dispersing agent is that lauryl sodium sulfate, methylpentane, glyceryl monostearate, the equal proportion of three stearic glyceride are mixed
Close object.
Foaming agent is dodecyldimethylamine oxide.
Binder is aluminium borate.
In S2 step, phase-change material, hydroxypropyl methyl cellulose ether are sequentially added into the suspension, are stablized after stirring
It places 30 minutes；
The temperature being sintered in baking oven is 850 DEG C, soaking time 4h.
Measurement result by test, the building thermal insulation material of the present embodiment, compression strength and thermal coefficient is shown in Table 1.
Embodiment 6
Embodiment 6 is substantially the same manner as Example 1, the difference is that:
The component of the building thermal insulation material are as follows: 53% glass powder, 25% coal powder, 9% dispersing agent, 1%
Foaming agent, 5% binder, 6% phase-change material, 1% hydroxypropyl methyl cellulose ether.
Dispersing agent is that fatty glyceride, polysorbate, polyacrylamide, fatty acid polyethylene glycol ester, stearic acid list are sweet
The equal proportion mixture of grease.
Foaming agent is dodecyldimethylamine oxide, N- dodecyl ethanol amine, sodium bicarbonate, ammonium hydrogen carbonate, carbonic acid
The mixture of ammonium.Specifically, by mass percentage, including 35% dodecyldimethylamine oxide, 30%N- dodecyl second
Hydramine, 15% sodium bicarbonate, 10% ammonium hydrogen carbonate, 10% ammonium carbonate.
In S2 step, phase-change material, hydroxypropyl methyl cellulose ether are sequentially added into the suspension, are stablized after stirring
It places 35 minutes；
The temperature being sintered in baking oven is 840 DEG C, soaking time 4.7h.
Measurement result by test, the building thermal insulation material of the present embodiment, compression strength and thermal coefficient is shown in Table 1.
Reference examples 1
Reference examples 1 are substantially the same manner as Example 1, the difference is that:
The component of the building thermal insulation material are as follows: 55% glass powder, 30% coal powder, 8% dispersing agent, 2%
Foaming agent, 5% binder.
In S3 step, the effect suspension stabilization that S2 step is obtained is placed 30 minutes；
In S4 step, foaming agent, binder are sequentially added, obtains foamed slurry after stirring.
Measurement result by test, the building thermal insulation material of this reference examples, compression strength and thermal coefficient is shown in Table 1.
Reference examples 2
Reference examples 2 are substantially the same manner as Example 1, the difference is that:
The component of the building thermal insulation material are as follows: 50% glass powder, 30% coal powder, 8% dispersing agent, 2%
Foaming agent, 5% binder, 5% phase-change material.
In S3 step, phase-change material is added in the suspension that obtains to S2 step, stablizes after stirring and places 30 minutes；
In S4 step, foaming agent, binder are sequentially added, obtains foamed slurry after stirring.
Measurement result by test, the building thermal insulation material of this reference examples, compression strength and thermal coefficient is shown in Table 1.
Reference examples 3
Reference examples 3 are substantially the same manner as Example 1, the difference is that:
The component of the building thermal insulation material are as follows: 54% glass powder, 30% coal powder, 8% dispersing agent, 2%
Foaming agent, 5% binder, 1% hydroxypropyl methyl cellulose ether.
In S3 step, hydroxypropyl methyl cellulose ether is added in the suspension obtained to S2 step, is stablized after stirring and is placed 30
Minute；
In S4 step, foaming agent, binder and hydroxypropyl methyl cellulose ether are sequentially added, foam slurry is obtained after stirring
Material.
By test, the building thermal insulation material compression strength of this reference examples and the measurement result of thermal coefficient are shown in Table 1.
The data summarization of Examples 1 to 6 and reference examples 1~3 is shown in Table 1.
Table 1
| Compression strength (MPa) | Thermal coefficient (W/mK) | |
| Embodiment 1 | 3.52 | 0.065 |
| Embodiment 2 | 3.28 | 0.078 |
| Embodiment 3 | 3.48 | 0.063 |
| Embodiment 4 | 3.01 | 0.084 |
| Embodiment 5 | 3.18 | 0.087 |
| Embodiment 6 | 3.41 | 0.073 |
| Reference examples 1 | 2.60 | 0.115 |
| Reference examples 2 | 2.61 | 0.074 |
| Reference examples 3 | 3.42 | 0.116 |
As it can be seen from table 1 comparative example 1~6, the compression strength of embodiment 1 is maximum, is 3.52MPa, thermal coefficient
Minimum is 0.065W/mK, therefore preferred embodiment 1 is most preferred embodiment；
Comparative example 1, embodiment 4 and reference examples 2, compression strength be respectively 3.52MPa, 3.01MPa and
2.61MPa, it is seen that the content of hydroxypropyl methyl cellulose ether content in a certain range, the intensity of the building thermal insulation material with
Hydroxypropyl methyl cellulose ether content increase and improve；
Comparative example 1, embodiment 5 and reference examples 3, thermal coefficient are respectively 0.065W/mK, 0.087W/mK
And 0.116W/mK, it is seen that in a certain range, the thermal coefficient of the building thermal insulation material is with phase for the content of phase-change material
Become the increase of material content and reduce, i.e., the thermal insulation property of the described thermal insulation material is improved with the raising of phase-change material content；
Comparative example 1, reference examples 1, reference examples 2 and reference examples 3, compression strength be respectively 3.52MPa, 2.6MPa,
2.61MPa and 3.42MPa, thermal coefficient are respectively 0.065W/mK, 0.115W/mK, 0.091W/mK and 0.116W/
MK, it is seen that while the building thermal insulation material of phase-change material and hydroxypropyl methyl cellulose ether is added, compressive property with
Thermal insulation property is more preferable compared with the building thermal insulation material for being individually added into phase-change material or hydroxypropyl methyl cellulose ether.
A few embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but can not
Therefore limitations on the scope of the patent of the present invention are interpreted as.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of building thermal insulation material, which is characterized in that by mass percentage, including following components:
50~60% glass powder, 20~35% coal powder, 8~10% dispersing agent, 0.5~2% foaming agent, 3~5%
Binder, 2~6% phase-change material, 0.5~2% hydroxypropyl methyl cellulose ether.
2. building thermal insulation material according to claim 1, which is characterized in that by mass percentage, including following components:
55% glass powder, 25% coal powder, 8% dispersing agent, 1% foaming agent, 5% binder, 5% phase transformation material
Material, 1% hydroxypropyl methyl cellulose ether.
3. building thermal insulation material according to claim 1, which is characterized in that the phase-change material is lauric acid-stearic acid
Eutectic phase-change material or lauric acid-stearic acid/cellulose compound eutectic phase-change material.
4. building thermal insulation material according to claim 1, which is characterized in that the dispersing agent is fatty glyceride, rouge
Fat acid sorb is smooth, polysorbate, lauryl sodium sulfate, methyl anyl alcohol, polyacrylamide, fatty acid polyethylene glycol ester, tristearin
One of sour monoglyceride, glyceryl tristearate or a variety of mixtures.
5. building thermal insulation material according to claim 1, which is characterized in that the foaming agent is dodecyl dimethyl oxygen
Change one of amine, N- dodecyl ethanol amine, sodium bicarbonate, ammonium hydrogen carbonate, ammonium carbonate or a variety of mixtures.
6. building thermal insulation material according to claim 5, which is characterized in that the component of the foaming agent is by mass percentage
For the dodecyldimethylamine oxide of 35-45%, the N- dodecyl ethanol amine of 30-50%, 10~15% ammonium hydrogen carbonate
Mixture.
7. building thermal insulation material according to claim 1, which is characterized in that the binder is magnesium phosphate, aluminum phosphate, boron
Any one in sour aluminium.
8. the preparation method of building thermal insulation material described in any one according to claim 1~7, which is characterized in that including with
Lower step:
S1. by mass percentage, weigh following components respectively: 50~60% glass powder, 20~35% coal powder, 8~
10% dispersing agent, 0.5~2% foaming agent, 3~5% binder, 2~6% phase-change material, 0.5~2% hydroxypropyl
Ylmethyl cellulose ether；
S2. by glass powder, coal powder, dispersing agent and water mixing and ball milling, suspension is obtained；
S3. phase-change material and hydroxypropyl methyl cellulose ether are sequentially added into the suspension, after stirring stablize place 30~
40 minutes；
S4. foaming agent, binder and hydroxypropyl methyl cellulose ether then are sequentially added, obtains foamed slurry after stirring；
S5. by the foamed slurry through centrifugal atomizing, be dried to obtain cenosphere；
S6. the cenosphere is fitted into mold, then mold is put into baking oven and is sintered, building thermal insulation material is finally made.
9. preparation method according to claim 8, which is characterized in that the temperature being sintered in baking oven is 800~850 DEG C.
10. preparation method according to claim 8, which is characterized in that the soaking time being sintered in baking oven is 4~5h.
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Application publication date: 20190118 |
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| RJ01 | Rejection of invention patent application after publication |