CN102995759A - Insulation multifunctional composite board - Google Patents
Insulation multifunctional composite board Download PDFInfo
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- CN102995759A CN102995759A CN2011102712280A CN201110271228A CN102995759A CN 102995759 A CN102995759 A CN 102995759A CN 2011102712280 A CN2011102712280 A CN 2011102712280A CN 201110271228 A CN201110271228 A CN 201110271228A CN 102995759 A CN102995759 A CN 102995759A
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- insulation
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Abstract
The invention provides an insulation multifunctional composite board which comprises a temperature regulating layer and an insulation composite layer, wherein the insulation composite layer is positioned on the temperature regulating layer; the insulation composite layer comprises an insulation layer and a reflection layer; and the reflection layer comprises an aluminum foil layer and a TiO2 coating, wherein the TiO2 coating is applied to the aluminum foil layer. The insulation multifunctional composite board provided by the invention has the advantage of high insulation efficiency, and the inner part of the insulation multifunctional composite board is protected by a protective medium, so as not to be easily eroded.
Description
Technical field
The present invention relates to a kind of warming plate, relate in particular to a kind of insulation multi-functional clad plate.
Background technology
At present, the outer insulation layer that generally formed by heat-barrier material of warming plate and formed by the internal layer temperature-control coating that phase-changing energy storage material forms.But existing warming plate, though its outer field insulation layer can reach certain effect of heat insulation, heat-insulating efficiency still is not very desirable.The external source heat can slowly see through heat-barrier material, causes the phase-changing energy storage material variations in temperature fluctuation in the temperature-control coating larger, may cause temperature-control coating ineffective, and the protective effect of the protected medium in inside is lowered greatly.The serious phase-changing energy storage material that may cause runs off, and corrodes inner protected medium.
In addition, existing warming plate only has the insulation thermoregulatory effect, and its function singleness can't satisfy the requirement of different environments for use, is difficult to adapt to Production requirement, and this has limited the application of warming plate to a great extent.
Summary of the invention
The present invention has the poor technical problem of warming plate heat-insulating efficiency now for solving, thereby provides a kind of heat-insulating efficiency good insulation multi-functional clad plate.
A kind of insulation multi-functional clad plate comprises temperature-control coating and is positioned at heat insulation composite bed on the temperature-control coating; Described heat insulation composite bed comprises insulation layer and reflecting layer, and described reflecting layer comprises aluminium foil layer and is coated with the TiO that is located on the aluminium foil layer
2Coating.
Insulation multi-functional clad plate provided by the invention is by being coated with TiO at aluminium foil layer
2Coating; increase is to thermal-radiating reflectivity; reduce transmitance; improved outer field heat-insulating efficiency; the external source heat is difficult to see through heat insulation composite bed; namely improved simultaneously to the protective effect of temperature-control coating with to the protective effect of the protected medium in inside, more effectively prevented the loss of phase-changing energy storage material in the temperature-control coating, thereby so that protected medium be difficult for being corroded.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the present invention insulation multi-functional clad plate;
Fig. 2 is the structural representation of another preferred embodiment insulation multi-functional clad plate of the present invention;
Fig. 3 is the structural representation of another preferred embodiment insulation multi-functional clad plate of the present invention.
In the accompanying drawing, the list of parts of each label representative is as follows:
1-temperature-control coating, 2-insulation layer
31-aluminium foil layer, 32-TiO
2Coating
4-electro-magnetic screen layer, 5-antistatic backing.
The specific embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with the specific embodiment, the present invention is further elaborated.Should be appreciated that the specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
A kind of insulation multi-functional clad plate comprises temperature-control coating and is positioned at heat insulation composite bed on the temperature-control coating; Described heat insulation composite bed comprises insulation layer and reflecting layer, and described reflecting layer comprises aluminium foil layer and is coated with the TiO that is located on the aluminium foil layer
2Coating.
In insulation multi-functional clad plate provided by the invention, temperature-control coating is the mixed coating of phase-changing energy storage material and coating.Be the basic adhesion characteristics of maintenance coating, and the fused property of phase-changing energy storage material, the content of phase-changing energy storage material is preferably 10-40wt%.
The effect of coating is the carrier as phase-changing energy storage material.Coating is known in those skilled in the art.In insulation multi-functional clad plate provided by the invention, coating is preferably epoxies paint, polyesters coating.Polyurethane coating more preferably.
Phase-changing energy storage material refers to vary with temperature and changes physical aspect and the material of latent heat can be provided, such as paraffin, senior fat hydrocarbon, microcapsules of storing energy through phase change etc.In insulation multi-functional clad plate provided by the invention, phase-changing energy storage material is preferably microcapsules of storing energy through phase change, more preferably has the microcapsules of storing energy through phase change material of many parietal layers structure.
Wherein, the particle diameter of microcapsules of storing energy through phase change is preferably 10nm-50 μ m, and in this particle size range, phase-changing energy storage material unit mass latent heat of phase change value has wider range of application, and its appearance for coating to close characteristic better.
Insulation layer is made of the material of good heat insulating, and in the insulation multi-functional clad plate provided by the invention, insulation layer is preferably the SiO of heat-proof quality excellence
2In aerogel powder, rock wool, glass wool, the PU cystosepiment one or more.
SiO more preferably
2Aerogel powder.In order to keep aeroge to have good heat insulation, heat-insulating property, low thermal conductivity, SiO
2The porosity of aerogel powder is preferably 50%-98%; The thickness of insulation layer is preferably 2mm-20mm.
In order to improve the intensity of insulation layer, preferred, in insulation layer, be provided with the enhancing body.It is known in those skilled in the art strengthening body, does not do at this and gives unnecessary details.In insulation multi-functional clad plate provided by the invention, strengthen body and be preferably glass fiber and/or carbon fiber.
In insulation multi-functional clad plate provided by the invention, the effect of aluminium foil layer is to improve infrared reflection.On the basis of satisfying infrared external reflection, in order to improve the rigidity of aluminium foil layer, the thickness of aluminium foil layer is preferably 2 μ m～20 μ m.
The present inventor finds that the heat radiation that runs into is substantially all in the thermal-radiating scope of infrared rays in daily engineering.So suppressed the infrared heat radiation, just can completely cut off most of thermal-radiating energy.In insulation multi-functional clad plate provided by the invention, be coated with TiO at aluminium foil layer
2Coating can improve it greatly to the thermal-radiating reflectivity of infrared rays, reduces transmitance, has improved the effect of heat insulation of insulation multi-functional clad plate.Preferably, the TiO in the insulation multi-functional clad plate provided by the invention
2The thickness of coating is preferably 20nm-20 μ m, so that TiO
2Coating has higher reflectivity.
Preferred, TiO
2TiO in the coating
2Particle diameter be 10nm-2 μ m, at the TiO of this particle size range
2The infrared heat-reflecting effect of coating is better.For more effective reflective infrared heat radiation, preferred, all be coated with TiO in the two sides of aluminium foil layer
2Coating.
Preferably, described heat insulation composite bed comprises two-layer reflecting layer and one layer of heat preservation layer, and described insulation layer is arranged between the described two-layer reflecting layer, with the albedo of further raising insulation multi-functional clad plate of the present invention to infrared emanation.
For improve insulation multi-functional clad plate of the present invention the combination property aspect electricity, magnetics, the calorifics, adapt to different environments for use needs, satisfy Production requirement, can on the basis of the insulation multi-functional clad plate that the invention described above provides, increase again electro-magnetic screen layer and/or antistatic backing.
As further improvement, also comprise electro-magnetic screen layer.Contain electromagnetic shielding material in the electro-magnetic screen layer, be preferably the mixed coating of electromagnetic shielding material and coating.The thickness of this mixed coating is preferably 2mm-20mm, weakens electromagnetic effect so that electro-magnetic screen layer reaches higher degree.
Electromagnetic shielding material is can reflection electromagnetic wave or material that can electromagnetic wave absorption, for conventionally known to one of skill in the art.In insulation multi-functional clad plate provided by the invention, electromagnetic shielding material is preferably one or more in ferrite powder, ferrite fibre or the carbonyl iron.In order to improve the electromagnetic shielding absorption efficiency of electro-magnetic screen layer, and take into account simultaneously the capacity energy of electromagnetic shielding material in coating, the content of electromagnetic shielding material is preferably 40-90wt% in the electro-magnetic screen layer.
As further improvement, also comprise antistatic backing.Antistatic backing is the mixed coating of conductive material and coating, and its thickness is preferably 2 μ m～20 μ m, so that antistatic backing has lower resistivity, reaches the effect that reduces static.Preferably, antistatic backing is in outermost layer.When antistatic backing was in outermost layer, electric charge was easily led away on the surface, avoided electric charge to gather on the surface and went into electrostatic layer, and anti-static effect is best.
Conductive material is the material that can conduct charged particle or electric current, for conventionally known to one of skill in the art.In insulation multi-functional clad plate provided by the invention, conductive material is preferably one or more in conductive metal powder, conductive metallic fiber, conducting polymer, graphite, conductive carbon powder, conducting resinl, conductive carbon nanotube, conductive carbon fibre or the Graphene.The content of conductive material is preferably 30-90wt%, so that antistatic backing has higher electric conductivity, has preferably capacity simultaneously and between the washcoat.
Insulation multi-functional clad plate provided by the invention is coated with TiO by the side at aluminium foil layer
2Coating increases thermal-radiating reflectivity, reduces transmitance; improved outer field heat-insulating efficiency, the external source heat is difficult to see through outer, has namely improved simultaneously the protective effect to temperature-control coating; effectively prevented the loss of phase-changing energy storage material in the temperature-control coating, thereby so that protected medium be difficult for being corroded.
The invention will be further elaborated below in conjunction with specific embodiment.
(1) at first is the TiO of 150nm to particle diameter
2Powder is distributed in the heat-resistant polyester coating, wherein TiO
2The mass fraction of powder is 70%.Then be applied to the thick aluminium foil surface of 50 μ m and the thick TiO of the dry 10 μ m of formation
2Coating;
(2) get the above-mentioned TiO of being coated with
2The aluminium foil of coating is coated with TiO with phenolic resin adhesive with it
2The one side of coating and SiO
2Aeroge warming plate (content of glass fiber 65wt%, thick 15mm) adheres to each other;
(3) do not scribble TiO at aluminium foil again
2Coating one deck contains microcapsules of storing energy through phase change 30wt% on the one side of layer, main particle diameter is the coating of 500nm, thickness 3mm, and wherein coating is polyurethane coating.Through solidifying to such an extent that have a temperature-control coating of temperature adjustment function.
This insulation multi-functional clad plate note is A1.
Press embodiment 1 identical method preparation and be incubated multi-functional clad plate A1 ', then apply the coating that one deck contains barium ferrite powder 80wt% on the surface of the middle temperature-control coating of insulation multi-functional clad plate A1 ', through solidifying to form the thick electro-magnetic screen layer of 10 μ m.Obtain new insulation multi-functional clad plate, note is A2.
Embodiment 3
Comparative Examples 1
With phenolic resin adhesive aluminium foil and SiO that 50 μ m are thick
2Aeroge warming plate (content of glass fiber 65wt%, thick 15mm) adheres to each other.Apply the coating that one deck contains microcapsules of storing energy through phase change 30wt%, main particle diameter 500nm, thickness 3mm at aluminium foil again, wherein coating is polyurethane coating, through solidifying to such an extent that have a temperature-control coating of temperature adjustment function.
This insulation temperature control panel note is AC.
Performance test
The heat insulation effect test:
Respectively above-mentioned warming plate A1, A2, A3 and AC are placed on the protected medium, be placed in the environment of external temperature for above 30 ℃ of its each microcapsules of storing energy through phase change phase transition temperature, carry out constant temperature and process.Record the time of its internal temperature when consistent with external temperature.
The antistatic test:
According to the surface resistivity that GB1410-2006 tests respectively above-mentioned warming plate A1, A2, A3 and AC, record its surface resistivity size.
The electromagnetic shielding test:
Respectively above-mentioned insulation multi-functional clad plate A1, A2, A3 and insulation temperature control panel AC are placed black chamber, in the one side with electromagnetic wave transmitter to its emitting electromagnetic wave, receive the electromagnetic wave that sees through with electromagnetic wave receiver at opposite side.Measure the both sides electromagnetic intensity, calculate electro-magnetic wave absorption percentage and record data.
Above three groups of test results are tabulating, as shown in the table:
| Sheet material | The heat insulation effect test | The antistatic test | The electromagnetic shielding | |
| A1 | 26h | |||
| 2×10 6? | 0% | |||
| A2 | |
1×10 6? | 45% | |
| A3 | |
1×10 2? | 45% | |
| | 18h | 1×10 8? | 0% |
Can obviously find out from upper table, insulation multi-functional clad plate provided by the invention, its better heat preservation is longer to the guard time of the protected medium in inside.In addition, increased antistatic backing after, its resistivity diminishes.Resistivity is less, and then the surface conductance effect is better, shows that anti-static effect is better.From the table data can see, increased electro-magnetic screen layer after, its electro-magnetic wave absorption percentage obviously improves, effectiveness improves greatly.
Claims (11)
1. an insulation multi-functional clad plate is characterized in that, comprises temperature-control coating and is positioned at heat insulation composite bed on the temperature-control coating; Described heat insulation composite bed comprises insulation layer and reflecting layer, and described reflecting layer comprises aluminium foil layer and is coated with the TiO that is located on the aluminium foil layer
2Coating.
2. insulation multi-functional clad plate according to claim 1 is characterized in that, described heat insulation composite bed comprises two-layer reflecting layer and one layer of heat preservation layer, and described insulation layer is arranged between the described two-layer reflecting layer.
3. insulation multi-functional clad plate according to claim 1 is characterized in that, described TiO
2The thickness of coating is 20nm-20 μ m.
4. insulation multi-functional clad plate according to claim 1 is characterized in that, described TiO
2TiO in the coating
2Particle diameter be 10nm-2 μ m.
5. insulation multi-functional clad plate according to claim 1 is characterized in that, described temperature-control coating is the coating that contains microcapsules of storing energy through phase change.
6. insulation multi-functional clad plate according to claim 5 is characterized in that, take the quality of described temperature-control coating as benchmark, the content of described microcapsules of storing energy through phase change is 10-40wt%.
7. be incubated according to claim 1 or 5 multi-functional clad plate, it is characterized in that, the thickness of described insulation layer is 2mm-20mm.
8. according to claim 1 to 6 each described insulation multi-functional clad plates, it is characterized in that, also comprise electro-magnetic screen layer.
9. insulation multi-functional clad plate according to claim 8 is characterized in that, contains electromagnetic shielding material in the described electro-magnetic screen layer, and described electromagnetic shielding material is one or more in ferrite powder, ferrite fibre or the carbonyl iron.
10. according to claim 1 to 6 each described insulation multi-functional clad plates, it is characterized in that, also comprise antistatic backing.
11. insulation multi-functional clad plate according to claim 10, it is characterized in that, described antistatic backing is the mixed coating of conductive material and coating, and described conductive material is one or more in conductive metal powder, conductive metallic fiber, conducting polymer, graphite, conductive carbon powder, conductive carbon nanotube, conductive carbon fibre or the Graphene.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110271228.0A CN102995759B (en) | 2011-09-14 | 2011-09-14 | A kind of insulation multifunctional composite board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110271228.0A CN102995759B (en) | 2011-09-14 | 2011-09-14 | A kind of insulation multifunctional composite board |
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| CN102995759A true CN102995759A (en) | 2013-03-27 |
| CN102995759B CN102995759B (en) | 2015-09-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105150609A (en) * | 2015-08-19 | 2015-12-16 | 无锡市富仕德特种玻璃纤维有限公司 | Protecting cover with thermal radiation reflecting capacity |
| CN111578044A (en) * | 2020-05-18 | 2020-08-25 | 江南大学 | Functional heat-insulating composite material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1928291A (en) * | 2006-09-30 | 2007-03-14 | 哈尔滨工业大学 | Electric heating film phase change heat accumulation wall plate and method for making phase change plate |
| CN101525934A (en) * | 2009-02-27 | 2009-09-09 | 张波 | Spraying process of anti-ultraviolet self-cleaning coat of outer wall of building under normal temperature |
| CN201574527U (en) * | 2009-12-17 | 2010-09-08 | 赵亮 | High-strength composite heat-insulating tile |
-
2011
- 2011-09-14 CN CN201110271228.0A patent/CN102995759B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1928291A (en) * | 2006-09-30 | 2007-03-14 | 哈尔滨工业大学 | Electric heating film phase change heat accumulation wall plate and method for making phase change plate |
| CN101525934A (en) * | 2009-02-27 | 2009-09-09 | 张波 | Spraying process of anti-ultraviolet self-cleaning coat of outer wall of building under normal temperature |
| CN201574527U (en) * | 2009-12-17 | 2010-09-08 | 赵亮 | High-strength composite heat-insulating tile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105150609A (en) * | 2015-08-19 | 2015-12-16 | 无锡市富仕德特种玻璃纤维有限公司 | Protecting cover with thermal radiation reflecting capacity |
| CN111578044A (en) * | 2020-05-18 | 2020-08-25 | 江南大学 | Functional heat-insulating composite material and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN102995759B (en) | 2015-09-30 |
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Address after: 215500 5th floor, building 4, 68 Lianfeng Road, Changfu street, Changshu City, Suzhou City, Jiangsu Province Patentee after: Changshu intellectual property operation center Co.,Ltd. Address before: No.13 caodang Road, Changshu City, Suzhou City, Jiangsu Province Patentee before: Changshu intellectual property operation center Co.,Ltd. |
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Effective date of registration: 20210608 Address after: 215500 No.19, South renyanghuan Road, Zhitang Town, Changshu City, Suzhou City, Jiangsu Province Patentee after: Changshu Changsheng new building materials Co.,Ltd. Address before: 215500 5th floor, building 4, 68 Lianfeng Road, Changfu street, Changshu City, Suzhou City, Jiangsu Province Patentee before: Changshu intellectual property operation center Co.,Ltd. |
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