CN102995759B - A kind of insulation multifunctional composite board - Google Patents
A kind of insulation multifunctional composite board Download PDFInfo
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- CN102995759B CN102995759B CN201110271228.0A CN201110271228A CN102995759B CN 102995759 B CN102995759 B CN 102995759B CN 201110271228 A CN201110271228 A CN 201110271228A CN 102995759 B CN102995759 B CN 102995759B
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Abstract
The invention provides a kind of insulation multifunctional composite board, comprise temperature-control coating and be positioned at the heat insulation composite bed on temperature-control coating; Described heat insulation composite bed comprises insulation layer and reflecting layer, and described reflecting layer comprises aluminium foil layer and painting and is located at TiO on aluminium foil layer
2coating.High, the inner protected medium of insulation multifunctional composite board heat-insulating efficiency provided by the invention is not easily corroded.
Description
Technical field
The present invention relates to a kind of warming plate, particularly relate to a kind of insulation multifunctional composite board.
Background technology
At present, the outer insulation layer that is generally made up of heat-barrier material of warming plate and the internal layer temperature-control coating that is made up of phase-changing energy storage material formed.But existing warming plate, though its outer field insulation layer can reach certain effect of heat insulation, heat-insulating efficiency is not still very desirable.External source heat slowly through heat-barrier material, can cause the phase-changing energy storage material variations in temperature fluctuation in temperature-control coating comparatively large, temperature-control coating may be caused ineffective, greatly lower the protective effect of the protected medium in inside.The serious phase-changing energy storage material that may cause runs off, and corrodes inner protected medium.
In addition, existing warming plate only has insulation thermoregulatory effect, and its function singleness cannot meet the requirement of different environment for use, is difficult to adapt to Production requirement, which greatly limits the application of warming plate.
Summary of the invention
The present invention is the technical problem solving existing warming plate heat-insulating efficiency difference, thus provides the insulation multifunctional composite board that a kind of heat-insulating efficiency is good.
A kind of insulation multifunctional composite board, comprises temperature-control coating and is positioned at the heat insulation composite bed on temperature-control coating; Described heat insulation composite bed comprises insulation layer and reflecting layer, and described reflecting layer comprises aluminium foil layer and painting and is located at TiO on aluminium foil layer
2coating.
Insulation multifunctional composite board provided by the invention, by being coated with TiO on aluminium foil layer
2coating; increase thermal-radiating reflectivity; reduce transmitance; improve outer field heat-insulating efficiency; external source heat is difficult to through heat insulation composite bed; namely improve the protective effect of temperature-control coating and the protective effect to the protected medium in inside, the more effective loss preventing phase-changing energy storage material in temperature-control coating simultaneously, thus protected medium is not easily corroded.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the present invention insulation multifunctional composite board;
Fig. 2 is the structural representation of another preferred embodiment insulation multifunctional composite board of the present invention;
Fig. 3 is the structural representation of another preferred embodiment insulation multifunctional composite board of the present invention.
In accompanying drawing, the list of parts representated by each label 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.
Detailed description of the invention
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with detailed description of the invention, the present invention is further elaborated.Should be appreciated that detailed description of the invention described herein only in order to explain the present invention, be not intended to limit the present invention.
A kind of insulation multifunctional composite board, comprises temperature-control coating and is positioned at the heat insulation composite bed on temperature-control coating; Described heat insulation composite bed comprises insulation layer and reflecting layer, and described reflecting layer comprises aluminium foil layer and painting and is located at TiO on aluminium foil layer
2coating.
In insulation multifunctional composite board provided by the invention, temperature-control coating is the mixed coating of phase-changing energy storage material and coating.For keeping the basic adhesion characteristics of 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 multifunctional composite board provided by the invention, coating is preferably epoxies paint, polyesters coating.Be more preferably polyurethane coating.
Phase-changing energy storage material refers to and varies with temperature and change the material that physical aspect also can provide latent heat, such as paraffin, higher aliphatic hydro carbons, microcapsules of storing energy through phase change etc.In insulation multifunctional composite board provided by the invention, phase-changing energy storage material is preferably microcapsules of storing energy through phase change, is more preferably the Phase change energy storage microcapsule material with many parietal layers structure.
Wherein, the particle diameter of microcapsules of storing energy through phase change is preferably 10nm-50 μm, 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 conjunction characteristic is better.
Insulation layer is made up of the material of good heat insulating, and in insulation multifunctional composite board provided by the invention, insulation layer is preferably the SiO of heat-proof quality excellence
2one or more in aerogel powder, rock wool, glass wool, PU cystosepiment.
Be more preferably SiO
2aerogel powder.There is good heat insulation, heat-insulating property, low thermal conductivity, SiO to keep aeroge
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, preferably, in insulation layer, be provided with reinforcement.Reinforcement is known in those skilled in the art, does not repeat at this.In insulation multifunctional composite board provided by the invention, reinforcement is preferably glass fiber and/or carbon fiber.
According in insulation multifunctional composite board provided by the invention, the effect of aluminium foil layer improves infrared reflection.Meeting on the basis of infrared external reflection, in order to improve the rigidity of aluminium foil layer, the thickness of aluminium foil layer is preferably 2 μm ~ 20 μm.
The present inventor finds, the heat radiation run in daily engineering, substantially all in the scope of infrared thermal radiation.So inhibit infrared thermal radiation, most of thermal-radiating energy just can be completely cut off.In insulation multifunctional composite board provided by the invention, aluminium foil layer is coated with TiO
2coating, can improve its reflectivity to infrared thermal radiation greatly, reduces transmitance, improves the effect of heat insulation of insulation multifunctional composite board.Preferably, the TiO in insulation multifunctional composite board provided by the invention
2the thickness of coating is preferably 20nm-20 μm, to make TiO
2coating has higher reflectivity.
Preferred, TiO
2tiO in coating
2particle diameter be 10nm-2 μm, at the TiO of this particle size range
2the infrared heat-reflecting effect of coating is better.In order to more effective reflective infrared heat radiation, preferably, all TiO is coated with 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 described two-layer reflecting layer, to improve the albedo of insulation multifunctional composite board of the present invention to infrared emanation further.
In order to improve the combination property of insulation multifunctional composite board of the present invention in electricity, magnetics, calorifics, adapting to the needs of different environment for use, meet Production requirement, on the basis of the insulation multifunctional composite board that can provide in the invention described above, then increase electro-magnetic screen layer and/or antistatic backing.
As further improvement, also comprise electro-magnetic screen layer.Containing electromagnetic shielding material in 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, reaches higher degree weaken electromagnetic effect to make electro-magnetic screen layer.
Electromagnetic shielding material is can reflection electromagnetic wave or can the material of electromagnetic wave absorption, for conventionally known to one of skill in the art.In insulation multifunctional composite board provided by the invention, electromagnetic shielding material is preferably one or more in ferrite powder, ferrite fibre or carbonyl iron.In order to improve the electromagnetic shielding absorption efficiency of electro-magnetic screen layer, and take into account the capacity energy of electromagnetic shielding material in coating, in electro-magnetic screen layer, the content of electromagnetic shielding material is preferably 40-90wt% simultaneously.
As further improvement, also comprise antistatic backing.Antistatic backing is the mixed coating of conductive material and coating, and its thickness is preferably 2 μm ~ 20 μm, to make antistatic backing have lower resistivity, reaches the effect reducing electrostatic.Preferably, antistatic backing is in outermost layer.When antistatic backing is in outermost layer, electric charge is easily led away on surface, avoids electric charge to gather on surface and goes into electrostatic layer, and anti-static effect is best.
Conductive material is can the material of conduction band charged particle or electric current, for conventionally known to one of skill in the art.In insulation multifunctional composite board provided by the invention, conductive material be preferably in conductive metal powder, conductive metallic fiber, conducting polymer, graphite, conductive carbon powder, conducting resinl, conductive carbon nanotube, conductive carbon fibre or Graphene one or more.The content of conductive material is preferably 30-90wt%, to make antistatic backing have higher electric conductivity, has good capacity simultaneously and between washcoat.
Insulation multifunctional composite board provided by the invention, is coated with TiO by the side at aluminium foil layer
2coating, increases thermal-radiating reflectivity, reduces transmitance; improve outer field heat-insulating efficiency, external source heat is difficult to through skin, namely improves the protective effect to temperature-control coating simultaneously; effectively prevent the loss of phase-changing energy storage material in temperature-control coating, thus protected medium is not easily corroded.
Below in conjunction with specific embodiment, the invention will be further elaborated.
embodiment 1
(1) be first the TiO of 150nm particle diameter
2powder is distributed in heat-resistant polyester coating, wherein TiO
2the mass fraction of powder is 70%.Then be applied to 50 μm of thick aluminium foil surfaces and dryly form 10 μm of thick TiO
2coating;
(2) get and be above-mentionedly coated with TiO
2the aluminium foil of coating, is coated with TiO with phenolic resin adhesive
2the one side of coating and SiO
2aeroge warming plate (content of glass fiber 65wt%, thick 15mm) adheres to each other;
(3) TiO is not scribbled at aluminium foil again
2the one side of layer applies that one deck contains microcapsules of storing energy through phase change 30wt%, primary particle size is 500nm, the coating of thickness 3mm, and wherein coating is polyurethane coating.Through solidifying there is the temperature-control coating of temperature adjustment function.
This insulation multifunctional composite board is denoted as A1.
embodiment 2
The method identical by embodiment 1 prepares insulation multifunctional composite board A1 ', then applies the coating that one deck contains barium ferrite powder 80wt% on the surface of the middle temperature-control coating of insulation multifunctional composite board A1 ', through solidifying to form 10 μm of thick electro-magnetic screen layers.Obtain new insulation multifunctional composite board, be denoted as A2.
embodiment 3
The method identical by embodiment 2 prepares insulation multifunctional composite board A2 ', and then on the surface of the electro-magnetic screen layer of insulation multifunctional composite board A2 ', coating one deck is containing silver powder, conductive carbon powder (silver powder, conductive carbon powder 0.8:1 ratio; Silver powder sheet and spherical ratio 1:1; The main 150nm of diameter of particle) coating of 80wt%, form the antistatic backing that thickness is 15 μm after solidification.Obtain new insulation multifunctional composite board, be denoted as A3.
comparative example 1
With phenolic resin adhesive by 50 μm of thick aluminium foils and SiO
2aeroge warming plate (content of glass fiber 65wt%, thick 15mm) adheres to each other.On aluminium foil, apply the coating that one deck contains microcapsules of storing energy through phase change 30wt%, primary particle size 500nm, thickness 3mm again, wherein coating is polyurethane coating, through solidifying have the temperature-control coating of temperature adjustment function.
This insulation temperature control panel is denoted as AC.
performance test
heat insulation effect is tested:
Above-mentioned warming plate A1, A2, A3 and AC are placed on protected medium respectively, being placed on external temperature is in the environment of more than its each microcapsules of storing energy through phase change phase transition temperature 30 DEG C, carries out constant temperature process.Record its internal temperature consistent with external temperature time time.
antistatic is tested:
Test the surface resistivity of above-mentioned warming plate A1, A2, A3 and AC according to GB1410-2006 respectively, record its surface resistivity size.
electromagnetic shielding is tested:
Respectively above-mentioned insulation multifunctional composite board A1, A2, A3 and insulation temperature control panel AC are placed in black room, at its side electricity consumption magnetic wave transmitter to its emitting electromagnetic wave, opposite side with electromagnetic wave receiver receive through electromagnetic wave.Measure both sides electromagnetic intensity, calculate electro-magnetic wave absorption percentage and record data.
By tabulating, as shown in the table for above three groups of test results:
| Sheet material | Heat insulation effect is tested | Antistatic is tested | Electromagnetic shielding is tested |
| A1 | 26h | 2×10 6? | 0% |
| A2 | 26h | 1×10 6? | 45% |
| A3 | 27h | 1×10 2? | 45% |
| AC | 18h | 1×10 8? | 0% |
Passable as apparent from upper table, insulation multifunctional composite board provided by the invention, its better heat preservation is longer to the guard time of the protected medium in inside.In addition, after adding antistatic backing, its resistivity diminishes.Resistivity is less, then surface conductance effect is better, shows that anti-static effect is better.As can be seen from data in the table, after adding electro-magnetic screen layer, its electro-magnetic wave absorption percentage significantly improves, and effectiveness improves greatly.
Claims (8)
1. an insulation multifunctional composite board, is characterized in that, comprises temperature-control coating and is positioned at the heat insulation composite bed on temperature-control coating; Described heat insulation composite bed comprises insulation layer and reflecting layer, and described reflecting layer comprises aluminium foil layer and painting and is located at TiO on aluminium foil layer
2coating, wherein, described heat insulation composite bed comprises two-layer reflecting layer and one layer of heat preservation layer, and described insulation layer is arranged between described two-layer reflecting layer; Described temperature-control coating is the coating containing microcapsules of storing energy through phase change; With the quality of described temperature-control coating for benchmark, the content of described microcapsules of storing energy through phase change is 10-40wt%.
2. insulation multifunctional composite board according to claim 1, is characterized in that, described TiO
2the thickness of coating is 20nm-20 μm.
3. insulation multifunctional composite board according to claim 1, is characterized in that, described TiO
2tiO in coating
2particle diameter be 10nm-2 μm.
4. insulation multifunctional composite board according to claim 1, is characterized in that, the thickness of described insulation layer is 2mm-20mm.
5. insulation multifunctional composite board according to any one of claim 1 to 4, is characterized in that, also comprises electro-magnetic screen layer.
6. insulation multifunctional composite board according to claim 5, is characterized in that, containing electromagnetic shielding material in described electro-magnetic screen layer, described electromagnetic shielding material is one or more in ferrite powder, ferrite fibre or carbonyl iron.
7. insulation multifunctional composite board according to any one of claim 1 to 4, is characterized in that, also comprises antistatic backing.
8. insulation multifunctional composite board according to claim 7, 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 Graphene.
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|---|---|---|---|
| CN201110271228.0A CN102995759B (en) | 2011-09-14 | 2011-09-14 | A kind of insulation multifunctional composite board |
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|---|---|---|---|
| CN201110271228.0A CN102995759B (en) | 2011-09-14 | 2011-09-14 | A kind of insulation multifunctional composite board |
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| CN102995759A CN102995759A (en) | 2013-03-27 |
| CN102995759B true CN102995759B (en) | 2015-09-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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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. |