CN104803701A - Composite phase-change insulation board and preparation method - Google Patents
Composite phase-change insulation board and preparation method Download PDFInfo
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- CN104803701A CN104803701A CN201510086154.1A CN201510086154A CN104803701A CN 104803701 A CN104803701 A CN 104803701A CN 201510086154 A CN201510086154 A CN 201510086154A CN 104803701 A CN104803701 A CN 104803701A
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Abstract
The invention discloses a composite phase-change insulation board and a preparation method. The preparation method comprises steps as follows: components including, in percentage by weight, 3%-5% of a phase change energy-storing composite material, 25%-30% of cement, 15%-17% of coal ash, 0.4%-1.0% of a water reducer, 0.02%-0.05% of a foaming agent and the balance of water are weighed, mixed and stirred to a flowing slurry state, slurry is poured into a mold for foaming, and the composite phase-change insulation board is obtained through natural curing. According to the composite phase-change insulation board, the phase change energy-storing composite material is taken as a raw material, and the prepared insulation board has high energy storage density, high energy storage capability, constant temperature, excellent flame retardancy and low heat conductivity coefficient.
Description
Technical field
The present invention relates to a kind of preparation method of compound phase-change heat-preserving board, belong to phase virescence technical ability field of material technology.
Background technology
At present, on domestic market 80% with building maintenance structure use lagging material mainly based on organic materialss such as EPS plate, XPS plate, rubber powder EPS particle, hard-foam polyurethanes, due to the combustibility of its material self, be listed in B2 level combustible product, many the large-sized fires caused by it in recent years, have beaten alarm bell to common people.Therefore, need one badly there is phase change energy storage function, thermal conductivity is low, nonflammable warming plate again.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide one to have phase change energy storage function (providing the concrete outcome of experimentation and each embodiment), thermal conductivity is low, the compound phase-change heat-preserving board do not fired again.
Second object of the present invention is to provide a kind of preparation method of compound phase-change heat-preserving board.
Technical solution of the present invention is summarized as follows:
A kind of preparation method of compound phase-change heat-preserving board, comprise the steps: to take by weight percentage: phase-change energy-storage composite material 3%-5%, cement 25%-30%, flyash 15%-17%, water reducer 0.4%-1.0%, whipping agent 0.02%-0.05%, surplus are water, mix to fluidised form slurry shape, poured in mould by slurry and foam, natural curing obtains compound phase-change heat-preserving board.
The following method of phase-change energy-storage composite material is made: take porous matrix 1500 parts by quality and put into the reactor being connected with vacuum pump, reactor is airtight is connected with the valvular funnel of band, take phase change material 800-1000 part, put into funnel, be heated to 40-60 DEG C, opening vacuum pump makes pressure in reactor reach below-740mmHg, open valve and phase change material is put into reactor, phase change material is inhaled in porous matrix under vacuum conditions, the porous matrix being adsorbed with phase change material is taken out after 20-40 minute, dry, spray the waterproofing agent of organosilicon of 30-60 part.
Cement is P.C42.5 composite Portland cement or P.O 42.5 ordinary Portland cement.
Described flyash is one-level C class flyash or is secondary C class flyash.
Water reducer is polycarboxylate water-reducer, naphthalene water reducer or aliphatic water reducing agent.
Whipping agent is sodium bicarbonate, volatile salt, azoformamide or Diisopropyl azodicarboxylate.
Porous matrix is pearlstone, glass bead or sepiolite.
Described phase change material is the mixture of one or more in certain herbaceous plants with big flowers acid, lauric acid, n-butyl stearate, palmitate, sad, palmitinic acid.
Compound phase-change heat-preserving board prepared by aforesaid method.
Advantage of the present invention:
Compound phase-change heat-preserving board of the present invention take phase-change energy-storage composite material as raw material, and the warming plate of preparation has that energy storage density is large, energy storage capacity large, homo(io)thermism, have good flame-retardance energy, and thermal conductivity is low.
Accompanying drawing explanation
Fig. 1 is the reaction unit schematic diagram of phase-change energy-storage composite material.
Fig. 2 is the DSC curve of phase-change energy-storage composite material prepared by embodiment 1.
Fig. 3 is the DSC curve of phase-change energy-storage composite material prepared by embodiment 2.
Embodiment
Fig. 1 is the reaction unit preparing compound phase-transition heat-preserving Raw phase-change energy-storage composite material of the present invention.This reaction unit comprises reactor 1, and the middle and upper part of reactor is connected with vacuum pump 3 by pipeline, and the airtight funnel 6 be connected with valve 5 of reactor, reactor is also provided with vacuum meter 4, and reactor is connected with well heater 2.
Below in conjunction with specific embodiment, the present invention is further illustrated.
Embodiment 1
The preparation of phase-change energy-storage composite material: take pearlstone 1500g by quality and put into the reactor being connected with vacuum pump, reactor is airtight is connected with the valvular funnel of band, take phase change material certain herbaceous plants with big flowers acid 450g, funnel is put into after lauric acid 550g mixes, be heated to 50 DEG C, opening vacuum pump makes pressure in reactor reach below-740mmHg, open valve and phase change material is put into reactor, phase change material is inhaled in pearlstone under vacuum conditions, the pearlstone being adsorbed with phase change material is taken out after 30 minutes, dry, spray 40g waterproofing agent of organosilicon.The DSC curve of phase-change energy-storage composite material prepared by the present embodiment is shown in Fig. 2.
Embodiment 2
The preparation of phase-change energy-storage composite material: take glass bead 1500g by quality and put into the reactor being connected with vacuum pump, reactor is airtight is connected with the valvular funnel of band, take phase change material n-butyl stearate 350g, funnel is put into after lauric acid 650g mixes, be heated to 40 DEG C, opening vacuum pump makes pressure in reactor reach below-740mmHg, open valve and phase change material is put into reactor, phase change material is inhaled in glass bead under vacuum conditions, the glass bead being adsorbed with phase change material is taken out after 20 minutes, dry, spray 30g waterproofing agent of organosilicon.The DSC curve of phase-change energy-storage composite material prepared by the present embodiment is shown in Fig. 3.
Embodiment 3
The preparation of phase-change energy-storage composite material: take sepiolite 1500g by quality and put into the reactor being connected with vacuum pump, reactor is airtight is connected with the valvular funnel of band, take the sad 400g of phase change material, funnel is put into after palmitate 400g mixes, be heated to 60 DEG C, opening vacuum pump makes pressure in reactor reach below-740mmHg, open valve and phase change material is put into reactor, phase change material is inhaled in sepiolite under vacuum conditions, the sepiolite being adsorbed with phase change material is taken out after 40 minutes, dry, spray 60g waterproofing agent of organosilicon.
Substitute the sad of the present embodiment and palmitate with palmitinic acid, other same the present embodiment, can obtain corresponding phase-change energy-storage composite material.
Embodiment 4
A kind of preparation method of compound phase-change heat-preserving board, comprise the steps: phase-change energy-storage composite material 324g, P.O prepared by embodiment 1 42.5 ordinary Portland cement 2700g, one-level C class flyash 1514g, polycarboxylate water-reducer 43g, azoformamide 4.3g, add water to 10000g, mix to fluidised form slurry shape, slurry is poured in mould and foams, after terminating Deng foaming, test specimen being placed on temperature is 20 ± 2 DEG C, and humidity is maintenance 24h under the environment of 90 ± 5%.Then remove mould, continue temperature be 20 ± 2 DEG C, humidity be under the environment of 90 ± 5% by test piece maintenance 28d, the compound phase-change heat-preserving board prepared can be obtained.
The compound phase-change heat-preserving board of above-mentioned preparation, dry density≤500kg/m
3, thermal conductivity≤0.06W/ (m.k).
Embodiment 5
A kind of preparation method of compound phase-change heat-preserving board, comprise the steps: phase-change energy-storage composite material 440g, P.O prepared by embodiment 2 42.5 ordinary Portland cement 2620g, one-level C class flyash 1640g, polycarboxylate water-reducer 49g, Diisopropyl azodicarboxylate 3.3g, add water to 10000g, mix to fluidised form slurry shape, slurry is poured in mould and foams, after terminating Deng foaming, test specimen being placed on temperature is 20 ± 2 DEG C, and humidity is maintenance 24h under the environment of 90 ± 5%.Then remove mould, continuing in temperature is 20 ± 2 DEG C, humidity be under the environment of 90 ± 5% by test piece maintenance 28d, the compound phase-change heat-preserving board prepared can be obtained.
The compound phase-change heat-preserving board of above-mentioned preparation, dry density≤600kg/m
3, thermal conductivity≤0.08W/ (m.k).
Embodiment 6
A kind of preparation method of compound phase-change heat-preserving board, comprise the steps: phase-change energy-storage composite material 300g, P.C42.5 composite Portland cement 2500g, one-level C class flyash 1500g, naphthalene water reducer 40g, sodium bicarbonate 2g prepared by embodiment 3, add water to 10000g, mix to fluidised form slurry shape, slurry is poured in mould and foams, after terminating Deng foaming, test specimen being placed on temperature is 20 ± 2 DEG C, and humidity is maintenance 24h under the environment of 90 ± 5%.Then remove mould, continue temperature be 20 ± 2 DEG C, humidity be under the environment of 90 ± 5% by test piece maintenance 28d, the compound phase-change heat-preserving board prepared can be obtained.
The compound phase-change heat-preserving board of above-mentioned preparation, dry density≤500kg/m
3, thermal conductivity≤0.06W/ (m.k).
Embodiment 7
A kind of preparation method of compound phase-change heat-preserving board, comprise the steps: phase-change energy-storage composite material 500g, P.O prepared by embodiment 1 42.5 ordinary Portland cement 3000g, secondary C class flyash 1700g, aliphatic water reducing agent 100g, volatile salt 5g, add water to 10000g, mix to fluidised form slurry shape, slurry is poured in mould and foams, after terminating Deng foaming, test specimen being placed on temperature is 20 ± 2 DEG C, and humidity is maintenance 24h under the environment of 90 ± 5%.Then remove mould, continue temperature be 20 ± 2 DEG C, humidity be under the environment of 90 ± 5% by test piece maintenance 28d, the compound phase-change heat-preserving board prepared can be obtained.
The compound phase-change heat-preserving board of above-mentioned preparation, dry density≤500kg/m
3, thermal conductivity≤0.06W/ (m.k).
Claims (9)
1. the preparation method of a compound phase-change heat-preserving board, it is characterized in that comprising the steps: to take by weight percentage: phase-change energy-storage composite material 3%-5%, cement 25%-30%, flyash 15%-17%, water reducer 0.4%-1.0%, whipping agent 0.02%-0.05%, surplus are water, mix to fluidised form slurry shape, poured in mould by slurry and foam, natural curing obtains compound phase-change heat-preserving board.
2. the preparation method of compound phase-change heat-preserving board according to claim 1, it is characterized in that the following method of described phase-change energy-storage composite material is made: take porous matrix 1500 parts by quality and put into the reactor being connected with vacuum pump, reactor is airtight is connected with the valvular funnel of band, take phase change material 800-1000 part, put into funnel, be heated to 40-60 DEG C, opening vacuum pump makes pressure in reactor reach below-740mmHg, open valve and phase change material is put into reactor, phase change material is inhaled in porous matrix under vacuum conditions, the porous matrix being adsorbed with phase change material is taken out after 20-40 minute, dry, spray the waterproofing agent of organosilicon of 30-60 part.
3. the preparation method of compound phase-change heat-preserving board according to claim 1, is characterized in that described cement is P.C42.5 composite Portland cement or P.O 42.5 ordinary Portland cement.
4. the preparation method of compound phase-change heat-preserving board according to claim 1, is characterized in that described flyash is one-level C class flyash or is secondary C class flyash.
5. the preparation method of compound phase-change heat-preserving board according to claim 1, is characterized in that described water reducer is polycarboxylate water-reducer, naphthalene water reducer or aliphatic water reducing agent.
6. the preparation method of compound phase-change heat-preserving board according to claim 1, is characterized in that described whipping agent is sodium bicarbonate, volatile salt, azoformamide or Diisopropyl azodicarboxylate.
7. the preparation method of compound phase-change heat-preserving board according to claim 2, is characterized in that described porous matrix is pearlstone, glass bead or sepiolite.
8. the preparation method of compound phase-change heat-preserving board according to claim 2, is characterized in that described phase change material is the mixture of one or more in certain herbaceous plants with big flowers acid, lauric acid, n-butyl stearate, palmitate, sad, palmitinic acid.
9. the compound phase-change heat-preserving board prepared of the method for one of claim 1-8.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105837154A (en) * | 2016-03-28 | 2016-08-10 | 北京中晶环境科技股份有限公司 | Hollow partition board |
| CN108503267A (en) * | 2018-05-31 | 2018-09-07 | 兰军亚 | A kind of composite material for building and its preparation process |
| CN109231821A (en) * | 2018-08-28 | 2019-01-18 | 江西科技学院 | A kind of building thermal insulation material and preparation method |
| CN109776050A (en) * | 2019-02-27 | 2019-05-21 | 北京科技大学 | A method of using coal ash for manufacturing for phase transformation porous material |
| CN114853396A (en) * | 2022-04-25 | 2022-08-05 | 上海师范大学 | Porous geopolymer foaming phase-change energy storage material and preparation method thereof |
| CN115650643A (en) * | 2022-09-26 | 2023-01-31 | 江苏泰林建设有限公司 | Light self preservation temperature haydite board |
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| CN1475543A (en) * | 2003-06-02 | 2004-02-18 | 同济大学 | Phasochange energy storage ceramic particle and its preparation method |
| CN1557768A (en) * | 2004-01-15 | 2004-12-29 | 杨苏文 | Light high-strength heat-insulation building material and method for making same |
| CN101943309A (en) * | 2009-07-06 | 2011-01-12 | 王广武 | Heat insulation board and manufacturing method thereof |
| CN102827583A (en) * | 2012-08-03 | 2012-12-19 | 上海英硕聚合材料股份有限公司 | Phase change composite material and preparation method thereof |
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2015
- 2015-02-17 CN CN201510086154.1A patent/CN104803701A/en active Pending
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| CN1475543A (en) * | 2003-06-02 | 2004-02-18 | 同济大学 | Phasochange energy storage ceramic particle and its preparation method |
| CN1557768A (en) * | 2004-01-15 | 2004-12-29 | 杨苏文 | Light high-strength heat-insulation building material and method for making same |
| CN101943309A (en) * | 2009-07-06 | 2011-01-12 | 王广武 | Heat insulation board and manufacturing method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105837154A (en) * | 2016-03-28 | 2016-08-10 | 北京中晶环境科技股份有限公司 | Hollow partition board |
| CN108503267A (en) * | 2018-05-31 | 2018-09-07 | 兰军亚 | A kind of composite material for building and its preparation process |
| CN108503267B (en) * | 2018-05-31 | 2021-05-21 | 山东创伟外墙保温材料集团有限公司 | Composite material for building and preparation process thereof |
| CN109231821A (en) * | 2018-08-28 | 2019-01-18 | 江西科技学院 | A kind of building thermal insulation material and preparation method |
| CN109776050A (en) * | 2019-02-27 | 2019-05-21 | 北京科技大学 | A method of using coal ash for manufacturing for phase transformation porous material |
| CN114853396A (en) * | 2022-04-25 | 2022-08-05 | 上海师范大学 | Porous geopolymer foaming phase-change energy storage material and preparation method thereof |
| CN115650643A (en) * | 2022-09-26 | 2023-01-31 | 江苏泰林建设有限公司 | Light self preservation temperature haydite board |
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Application publication date: 20150729 |