CN107892512A - A kind of preparation method of phase change paraffin composite expanded perlite - Google Patents
A kind of preparation method of phase change paraffin composite expanded perlite Download PDFInfo
- Publication number
- CN107892512A CN107892512A CN201711117500.3A CN201711117500A CN107892512A CN 107892512 A CN107892512 A CN 107892512A CN 201711117500 A CN201711117500 A CN 201711117500A CN 107892512 A CN107892512 A CN 107892512A
- Authority
- CN
- China
- Prior art keywords
- expanded perlite
- phase change
- preparation
- change paraffin
- parts
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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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/0068—Ingredients with a function or property not provided for elsewhere in C04B2103/00
- C04B2103/0071—Phase-change materials, e.g. latent heat storage materials used in concrete compositions
-
- 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)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
This application discloses a kind of preparation method of phase change paraffin composite expanded perlite, including step：(1), by phase change paraffin, paraffin emulsifier and water according to weight ratio (22~30):(3~8):(50~65) mix 3~5 minutes；(2) mixed liquor, is heated to 70~90 DEG C；(3), expanded perlite is added into mixed liquor, is then together put into closed kettle, opens vacuum pump, using decompression adsorption method mixed liquor is adsorbed into the hole of expanded perlite, obtains phase-changing energy storage material；(4), weigh each material component according to following component and be stirred mixing：40~60 parts of phase-changing energy storage material；30~35 parts of inorganic binder；1~5 part of epoxy resin；2~4 parts of acrylic emulsion；40~60 parts of water；(5), compression molding；(6), it is heat-treated.The phase change paraffin composite expanded perlite of the present invention has a good heat-insulating property, and for temperature when changing for 20~30 DEG C, specific heat capacity reaches 5.11kJ/ (kgK), thermal conductivity factor in 0.075W/ (mK) below.
Description
Technical field
The application is related to building thermal insulation material technical field, more particularly to a kind of phase change paraffin composite expanded perlite
Preparation method.
Background technology
The energy is the blood of human society survival and development, the energy caused by power supply and environmental crisis increasingly by
In the case of of concern, the utilization rate for how developing new green energy resource and the raising energy is particularly important.
Phase-changing energy storage material can absorb energy from environment and be released energy into environment, preferably solve energy confession
Unmatched contradiction over time and space is sought, so as to be effectively improved the utilization rate of energy.Phase-changing energy storage material exists simultaneously
Temperature is held substantially constant in phase transition process, can be used in regulating and controlling the temperature of surrounding environment, and can be reused.
These characteristics of phase-changing energy storage material cause it in electric power " peak load shifting ", industry and civil buildings and the section of air-conditioning
The fields such as energy, textile and military affairs have a wide range of applications.
Phase-change material is incorporated into existing construction material, phase-changing energy-storing building enclosure is made, can greatly enhance and enclose
The heat accumulation function of protection structure so that a small amount of material can stores substantial amounts of heat.
The content of the invention
It is an object of the invention to provide a kind of preparation method of phase change paraffin composite expanded perlite, to overcome existing skill
Deficiency in art.
To achieve the above object, the present invention provides following technical scheme：
The embodiment of the present application discloses a kind of preparation method of phase change paraffin composite expanded perlite, including step：
(1), by phase change paraffin, paraffin emulsifier and water according to weight ratio (22~30):(3~8):(50~65) mixing is stirred
Mix 3~5 minutes；
(2) mixed liquor, is heated to 70~90 DEG C；
(3), expanded perlite is added into mixed liquor, is then together put into closed kettle, opens vacuum pump, is used
Decompression adsorption method causes mixed liquor to be adsorbed into the hole of expanded perlite, obtains phase-changing energy storage material；
(4), weigh each material component according to following component and be stirred mixing：
40~60 parts of phase-changing energy storage material；
30~35 parts of inorganic binder；
1~5 part of epoxy resin；
2~4 parts of acrylic emulsion；
40~60 parts of water；
(5), compression molding；
(6), it is heat-treated.
Preferably, in the preparation method of above-mentioned phase change paraffin composite expanded perlite, in step (3), expanded pearlite
The weight of rock and phase change paraffin ratio is (3~4)：(5~7).
Preferably, in the preparation method of above-mentioned phase change paraffin composite expanded perlite, of the expanded perlite
Grain external diameter is in 2~3mm.
Preferably, in the preparation method of above-mentioned phase change paraffin composite expanded perlite, the hole of the expanded perlite
Gap size connects at 3~25 μm between hole.
Preferably, in the preparation method of above-mentioned phase change paraffin composite expanded perlite, the inorganic binder includes
Cement, flyash and sierozem power.
Preferably, in the preparation method of above-mentioned phase change paraffin composite expanded perlite, the cement, flyash and ash
The weight ratio of calcium powder is (5~7)：(10~15)：(1~3).
Preferably, in the preparation method of above-mentioned phase change paraffin composite expanded perlite, in step (5), briquetting pressure
In 4~7kPa.
Preferably, in the preparation method of above-mentioned phase change paraffin composite expanded perlite, in step (6), heat treatment
Temperature is 250~300 DEG C, and the time of heat treatment is 3~12 hours.
Compared with prior art, the advantage of the invention is that：The phase change paraffin composite expanded perlite of the present invention has good
Good heat-insulating property, for temperature when changing for 20~30 DEG C, specific heat capacity reaches 5.11kJ/ (kgK), and thermal conductivity factor is in 0.075W/
(mK) below.
Embodiment
Present embodiment discloses a kind of preparation method of phase change paraffin composite expanded perlite, including step：
(1), by phase change paraffin, paraffin emulsifier and water according to weight ratio (22~30):(3~8):(50~65) mixing is stirred
Mix 3~5 minutes；
(2) mixed liquor, is heated to 70~90 DEG C；
(3), expanded perlite is added into mixed liquor, is then together put into closed kettle, opens vacuum pump, is used
Decompression adsorption method causes mixed liquor to be adsorbed into the hole of expanded perlite, obtains phase-changing energy storage material；
(4), weigh each material component according to following component and be stirred mixing：
40~60 parts of phase-changing energy storage material；
30~35 parts of inorganic binder；
1~5 part of epoxy resin；
2~4 parts of acrylic emulsion；
40~60 parts of water；
(5), compression molding；
(6), it is heat-treated.
In a preferred embodiment, in step (3), the weight ratio of expanded perlite and phase change paraffin is (3~4)：(5~
7)。
In a preferred embodiment, the particle external diameter of the expanded perlite is in 2~3mm.
In a preferred embodiment, the pore size of the expanded perlite connects at 3~25 μm between hole.
Further, the inorganic binder includes cement, flyash and sierozem power.
In a preferred embodiment, the weight ratio of the cement, flyash and sierozem power is (5~7)：(10~15)：(1
~3).
In a preferred embodiment, in step (5), briquetting pressure is in 4~7kPa.
In a preferred embodiment, in step (6), the temperature of heat treatment is 250~300 DEG C, time of heat treatment for 3~
12 hours.
The present invention is described further by the following example：According to following embodiments, the present invention may be better understood.
However, as it will be easily appreciated by one skilled in the art that specific material ratio, process conditions and its result described by embodiment are only used
In the explanation present invention, without should be also without limitation on the present invention described in detail in claims.
Embodiment 1
The preparation method of phase change paraffin composite expanded perlite, including step：
(1), by phase change paraffin, paraffin emulsifier and water according to weight ratio 25:5:58 mix 3 minutes；
(2) mixed liquor, is heated to 90 DEG C；
(3), expanded perlite is added into mixed liquor, the weight ratio of expanded perlite and phase change paraffin is 3：7, then
Together it is put into closed kettle, opens vacuum pump, using decompression adsorption method mixed liquor is adsorbed into expanded perlite
In hole, phase-changing energy storage material is obtained；
(4), weigh each material component according to following component and be stirred mixing：
50 parts of phase-changing energy storage material；
9.5 parts of cement；
20 parts of flyash；
2.7 parts of sierozem power；
2 parts of epoxy resin；
3 parts of acrylic emulsion；
60 parts of water；
(5), compression molding, briquetting pressure is in 5kPa.
(6), it is heat-treated, the temperature of heat treatment is 300 DEG C, and the time of heat treatment is 4 hours.
Performance test is carried out to the sample of acquisition, it is known that：
For temperature when changing for 20~30 DEG C, specific heat capacity reaches 5.11kJ/ (kgK), and thermal conductivity factor is at 0.075W/ (mK)
Below.
Embodiment 2
The preparation method of phase change paraffin composite expanded perlite, including step：
(1), by phase change paraffin, paraffin emulsifier and water according to weight ratio 27:7:65 mix 3 minutes；
(2) mixed liquor, is heated to 80 DEG C；
(3), expanded perlite is added into mixed liquor, the weight ratio of expanded perlite and phase change paraffin is 3：7, then
Together it is put into closed kettle, opens vacuum pump, using decompression adsorption method mixed liquor is adsorbed into expanded perlite
In hole, phase-changing energy storage material is obtained；
(4), weigh each material component according to following component and be stirred mixing：
60 parts of phase-changing energy storage material；
9.5 parts of cement；
20 parts of flyash；
2.7 parts of sierozem power；
5 parts of epoxy resin；
4 parts of acrylic emulsion；
60 parts of water；
(5), compression molding, briquetting pressure is in 7kPa.
(6), it is heat-treated, the temperature of heat treatment is 300 DEG C, and the time of heat treatment is 4 hours.
Performance test is carried out to the sample of acquisition, it is known that：
For temperature when changing for 20~30 DEG C, specific heat capacity reaches 5.01kJ/ (kgK), and thermal conductivity factor is at 0.082W/ (mK)
Below.
Finally, it is to be noted that, term " comprising ", "comprising" or its any other variant be intended to it is non-exclusive
Property includes, so that process, method, article or equipment including a series of elements not only include those key elements, and
Also include the other element that is not expressly set out, or also include for this process, method, article or equipment inherently
Key element.
Claims (8)
1. a kind of preparation method of phase change paraffin composite expanded perlite, it is characterised in that including step：
(1), by phase change paraffin, paraffin emulsifier and water according to weight ratio (22~30):(3~8):(50~65) 3 are mixed
~5 minutes；
(2) mixed liquor, is heated to 70~90 DEG C；
(3), expanded perlite is added into mixed liquor, is then together put into closed kettle, vacuum pump is opened, using decompression
Adsorption method causes mixed liquor to be adsorbed into the hole of expanded perlite, obtains phase-changing energy storage material；
(4), weigh each material component according to following component and be stirred mixing：
40~60 parts of phase-changing energy storage material；
30~35 parts of inorganic binder；
1~5 part of epoxy resin；
2~4 parts of acrylic emulsion；
40~60 parts of water；
(5), compression molding；
(6), it is heat-treated.
2. the preparation method of phase change paraffin composite expanded perlite according to claim 1, it is characterised in that：Step (3)
In, the weight ratio of expanded perlite and phase change paraffin is (3~4)：(5~7).
3. the preparation method of phase change paraffin composite expanded perlite according to claim 1, it is characterised in that：The expansion
The particle external diameter of perlite is in 2~3mm.
4. the preparation method of phase change paraffin composite expanded perlite according to claim 1, it is characterised in that：The expansion
The pore size of perlite connects at 3~25 μm between hole.
5. the preparation method of phase change paraffin composite expanded perlite according to claim 1, it is characterised in that：It is described inorganic
Cementitious matter includes cement, flyash and sierozem power.
6. the preparation method of phase change paraffin composite expanded perlite according to claim 5, it is characterised in that：The water
The weight ratio of mud, flyash and sierozem power is (5~7)：(10~15)：(1~3).
7. the preparation method of phase change paraffin composite expanded perlite according to claim 1, it is characterised in that：Step (5)
In, briquetting pressure is in 4~7kPa.
8. the preparation method of phase change paraffin composite expanded perlite according to claim 1, it is characterised in that：Step (6)
In, the temperature of heat treatment is 250~300 DEG C, and the time of heat treatment is 3~12 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711117500.3A CN107892512A (en) | 2017-11-13 | 2017-11-13 | A kind of preparation method of phase change paraffin composite expanded perlite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711117500.3A CN107892512A (en) | 2017-11-13 | 2017-11-13 | A kind of preparation method of phase change paraffin composite expanded perlite |
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| Publication Number | Publication Date |
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| CN107892512A true CN107892512A (en) | 2018-04-10 |
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| CN201711117500.3A Pending CN107892512A (en) | 2017-11-13 | 2017-11-13 | A kind of preparation method of phase change paraffin composite expanded perlite |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109370539A (en) * | 2018-12-11 | 2019-02-22 | 安徽绿元素建材科技有限公司 | A kind of phase-change accumulation energy microballoon and preparation method thereof |
| CN111944495A (en) * | 2020-08-25 | 2020-11-17 | 塔里木大学 | Preparation method of hydrated inorganic salt-expanded vermiculite-paraffin-PAM composite phase change energy storage material |
| CN111944494A (en) * | 2020-08-25 | 2020-11-17 | 塔里木大学 | Preparation method of expanded vermiculite-paraffin-PAM (polyacrylamide) shape-stabilized phase change energy storage material |
| CN114181666A (en) * | 2021-12-14 | 2022-03-15 | 中国地质大学（武汉） | Modified expanded perlite-based phase-change composite material and preparation method and application thereof |
| CN114804915A (en) * | 2022-05-27 | 2022-07-29 | 湖北工业大学 | Multifunctional light building material and preparation method and application thereof |
| CN115812701A (en) * | 2022-11-30 | 2023-03-21 | 江苏宝灵化工股份有限公司 | Metalaxyl-cymoxanil wettable powder and production process thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109370539A (en) * | 2018-12-11 | 2019-02-22 | 安徽绿元素建材科技有限公司 | A kind of phase-change accumulation energy microballoon and preparation method thereof |
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| CN114804915A (en) * | 2022-05-27 | 2022-07-29 | 湖北工业大学 | Multifunctional light building material and preparation method and application thereof |
| CN115812701A (en) * | 2022-11-30 | 2023-03-21 | 江苏宝灵化工股份有限公司 | Metalaxyl-cymoxanil wettable powder and production process thereof |
| CN115812701B (en) * | 2022-11-30 | 2024-02-27 | 江苏宝灵化工股份有限公司 | Metalaxyl-cymoxanil wettable powder and production process thereof |
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