CN102815041A - Quasi monolayer eiderdown mesh spaced thermal insulation composite film and application thereof - Google Patents
Quasi monolayer eiderdown mesh spaced thermal insulation composite film and application thereof Download PDFInfo
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- CN102815041A CN102815041A CN2012102934098A CN201210293409A CN102815041A CN 102815041 A CN102815041 A CN 102815041A CN 2012102934098 A CN2012102934098 A CN 2012102934098A CN 201210293409 A CN201210293409 A CN 201210293409A CN 102815041 A CN102815041 A CN 102815041A
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Abstract
The invention relates to a quasi monolayer eiderdown mesh spaced thermal insulation composite film and application thereof. The thermal insulation composite film is configured by laminating of 3-20 layers of metallized polymer composite films, and fiber meshes, fixed with warp knitting meshes, spaced in the metallized polymer composite films. The thermal insulation composite film is characterized in that it is a multilayer composite thermal insulation material with a warmth retention structure that one side can bear effect of high or low temperature of -250-250 DEG C, and the other side keeps a normal temperature at 5-40 DEG C; the thermal insulation composite film has a thickness of 4-20 mm, an actual compaction thickness of 1-6 mm, and weight per square meter of 40-600g / m<2>, and is a fully closed, adhered or sewed thermal insulation, warmth retention and soft laminating thermal insulation composite film. The thermal insulation composite film can be applied alone or combined with other materials in body protection and environment insulation for high and low temperature occasions, such as fire protection, military, adventure and industry.
Description
Technical field
It is technological to the present invention relates to the heat insulation frivolous flexible compound membrane material with protection of a kind of human body or environment temperature; Relate in particular to a kind of accurate individual layer eider down net heat insulating compound film at interval and uses thereof, this heat insulating compound film can be used for separately or be heat insulation with compound physical protection and the environment that is used for high and low temperature occasion special occasions such as fire-fighting, military affairs, exploration, industry of other materials.
Background technology
The physical protection down of temperature field condition is basic contents during protective materials is studied; The research of most high-performance flexible protective materials and patent also originate in general high or low temperature environment, and (temperature is at-250 ℃～250 ℃; Like the cold and radiant heat environment in the space; Cold or thermal environment in the activities such as polar region or volcano exploration, the high or low temperature environment in industrial processes workshop) special occasions.
Because but good, the in light weight plyability of pliability of membrane structure material is strong; Can rigidity be become flexible characteristic; Can efficiently and utilize material targetedly, therefore in the last few years, the new material in this field, new technology, new technology constantly occurred; Relevant basic and application foundation Journal of Sex Research also has more to be carried out, and this has greatly expanded applicability and the use of membrane material under harsh conditions such as high and low temperature.
The single-layer polymer film tube that performance was single and low is in the past substituted by multilayer or multilayer complex films morely.Multilayer complex films can make full use of the characteristics of its each layer, and the action and function between key-course remedies shortcoming separately, thereby is designed or use required function and structure.
The flexible material that the high and low temperature environment uses down at first will solve the ability to bear to high and low temperature (250 ℃～250 ℃) condition; Yet under these harsh conditions, fatigue and destruction very easily take place in the high polymer flexible material.When high temperature, material meeting thermal degradation, disordering and softening make material structure change thus, produce tired; When low temperature, material becomes fragile, ruptures.Therefore under this environment, high requirement has been proposed protective materials.The necessary high temperature resistant and low temperature of one of which protective materials; It two will have good reflection and isolated thermal radiation function; It three keeps original proterties in the high and low temperature environment.
Flexible thermal isolation film material to using under the high and low temperature condition has more patent and research in recent years.The Jiang Jingshan researcher of the Chinese Academy of Space Technology is in aerospace material technology (2000; 30 (4)) in the paper of delivering " multilayer insulation material and in spaceborne application "; Adopt the two-sided aluminized mylar of multilayer interval loose fiber goods (like fibrous paper, fibrofelt, cloth etc.) and the compound multilayer insulation material that makes of terylene net respectively; As the multilayer insulation material on spacecraft surface, with reply spacecraft surface over against sunshine+high temperature more than 200 ℃ and be low to moderate the low temperature below-200 ℃ back to sunshine.The gained multilayer insulation material generally can be realized falling from 23 ℃ to-196 ℃ the temperature difference, though have excellent heat insulation property, the serviceability temperature scope is also comparatively limited.
Heat insulating compound film (number of patent application CN201120138328.1) supports protective layer, polyurethane first adhesive layer, aluminum membranous layer, polyurethane second adhesive layer and back-protective layer bonding by modified poly ethylene or polyester and is composited; Use as heat-barrier material for building; But serviceability temperature only limits to about 50 ℃, does not suit under low temperature or higher temperature, to use.Environment protection type heat insulating composite membrane (number of patent application CN200420021118.4) is stacked successively from top to bottom by layers of kraft paper, compound bubble layer, reflector layer and is composited; The brown paper rough surface is easy to surface such as building bonding; Air in the compound bubble layer bubble can not form convection current with ambient atmos, and reflector layer can reflect back sunshine, thereby composite membrane has effective radiation proof, heat-blocking action.This patent also is to use as heat-barrier material for building, does not suit under low temperature or higher temperature, to use.Insulation composite membrane (number of patent application CN200920027882.5) is by two layers of surface film and middle heat insulation filling film form through bonding or stitched composite up and down; Wherein skin covering of the surface can be plastic foil, nylon membrane, rubber membrane or fibre etc., and heat insulation filling film is latticed film, spongy film or cotton-shaped film etc.Though use comparatively extensively, its heat-proof quality is very limited.
In thermal isolation film and preparation method thereof (number of patent application CN200910164971.9), thermal isolation film is provided with by multilayer in the same way, and the insulating unit of being made up of polyimides or carbon-fiber film substrate layer and porous silica aerogel layer is composited through high temperature glue-line bonding; The gained thermal isolation film can be used for the thermal isolation under the high ambient conditions more than 300 ℃.Though thermal isolation film has good temperature resistance ability and effect of heat insulation, film is more thick and heavy, and exists redundant for 250 ℃ hot conditions.
The preparation method of meso-scale flaky vermiculite and heat-resistant polymer heat insulation composite membrane (number of patent application CN200810039655.4) adopt carbon chain lengths be 12～36 quaternary ammonium alkyl salt compounds to after particle diameter carries out the organic expander modification less than 10 μ m vermiculites after grinding, make meso-scale flaky vermiculite with the processing of high pressure microjet homogenizer; Select heat-resistant polymer material polyether sulphone or assorted naphthalene biphenyl polyether sulfone ketone as continuous phase, inorganic flaky vermiculite crystallite is dispersed in the organic high molecular polymer material, make through dry method and wet method film forming through methods such as supersonic cell pulverizing.Its thermal conductivity factor of products obtained therefrom extremely low (0.038～0.047W/mK), have good heat-proof quality; The gained composite membrane can also closely be coated on fabric surface such as fragrant sulfone synthetic fibre, improves its anti-naked light, thermal isolation performance, and particularly the thermal isolation performance can be used for can come in and go out the safely fire-entry suit in the scene of a fire or the cladding material of fighting uniform.This patent doping meso-scale inorganic high-temperature resistant vermiculite material in high-molecular organic material makes heat-resistant polymer heat insulation composite membrane, though have good thermal isolation performance, its stability and durability at low temperature environment does not have report.
Heat insulating compound film (number of patent application CN200510024710.9) is the patent of invention before the applicant, adopt by the high polymer basement membrane of high-strength low heat conductivity coefficient, highly reflective can metal oxide layer and the structure that the outer overlay film of the heat bondable high polymer of low heat conductivity is composited of metal level, high thermal insulation realize efficient, lightweight, the flexible multi-functional thermal protection of (150～120 ℃) under the high and low temperature environment.Though this patent gained heat insulating compound film has good high and low temperature environment usability, its serviceability temperature is limited in scope.
Heat insulation soft thin composite fabric (number of patent application CN200410066650.2) also is the patent of invention before the applicant; One side adopts the high performance coated fabric of high-and low-temperature resistance; That another side adopts is soft, comfortable, frost prevention, prevent the coated fabric of condensation; The middle high polymer of multilayer insulation and the compound fabric that metal composite film constitutes of adopting; But the lining meshi fabric of tape thickness, dimensionally stable between MULTILAYER COMPOSITE is realized simultaneously can bearing high temperature, low temperature or high and low temperature compound action, and one side keeps 5～35 ℃ of nearly room temperature states; The natural thickness of the compound fabric of this invention is at 3～12mm, and square metre quality is at 150～550g/m
2, can realize the heat insulation and protection under-120～120 ℃ of conditions.Though widely applicable, effect of heat insulation is limited.
Can find out by above patented technology, though existing heat insulating compound film some have certain effect of heat insulation and high-and low-temperature resistance performance, the ability to bear under-250～250 ℃ high and low temperature condition is limited, very easily takes place tired and destroys.And in the practical application lightweight, flexibility and efficient requirement of protecting have been proposed protective materials under the high and low temperature environment.
Summary of the invention
The accurate individual layer eider down net heat insulating compound film at interval that the purpose of this invention is to provide a kind of high-low temperature resistant, lightweight, softness.Another object of the present invention provides a kind of purposes of above-mentioned heat insulating compound film.
In order to achieve the above object, principle of the present invention is that comprehensive utilization plating high polymer complex film and accurate individual layer eider down are realized thermal isolation and protection under the high and low temperature environment through the multiple layer combination structural design of netting.Realize that highly reflective is heat insulation and form low thermal contact conductance that with the plating high polymer complex film composite membrane is realized the thermal isolation effect of individual layer thus originally as airtight gas impermeable material; Realize the effective gas thermal isolation to control plating high polymer complex film interlamellar spacing and to form the still air layer through the fixing accurate individual layer eider down of netting.By plating high polymer complex film and accurate individual layer eider down through the multiple-layer laminated construction system of netting, efficient, lightweight, flexible heat insulating compound film system.
A concrete technical scheme of the present invention has provided a kind of accurate individual layer eider down net heat insulating compound film at interval; It is characterized in that: comprise 3～20 layers plating high polymer complex film, accurate individual layer eider down is through be fixed between the adjacent two layers plating high polymer complex film through netting at interval.
Preferably, also comprise being positioned between fabric commonly used and the said plating high polymer complex film of one deck adjacent the accurate individual layer eider down of fixing through netting through said interval is arranged equally with it away from the fabric commonly used that is used for capping of high temperature source or cold temperature source one deck.
Preferably, said fabric commonly used is a kind of in bafta, dacron or the polyester-cotton fabric.
Preferably, said plating high polymer complex film is the film at the surperficial metal plated coating of the first high polymer basement membrane of being made up of terylene, polyimides or polyamide fibre, and this coat of metal is aluminium coated, alloy plating layer or Gold plated Layer.
Preferably, on described film, cover the second high polymer basement membrane that the one deck and the first high polymer basement membrane commaterial are formed again, form the sandwich structure composite membrane by the first high polymer basement membrane, the coat of metal and the second high polymer basement membrane.
Preferably, the thickness of said plating high polymer complex film is 8～60 μ m.
Preferably, said interval is that square metre quality is at 6～20g/m through netting
2Terylene or polyamide fibre or aramid fiber long filament WARP-KNITTING; Said accurate individual layer eider down is a suede, and it is fixed through netting by described interval to be single shape ground, in case on-slip moves and loses.
Preferably, bonding or make formation through multilayer, one side can be born-250～250 ℃ high or low temperature effect, simultaneously keeps airtight, heat insulation, the warming fully soft heat insulating compound film of 5～40 ℃ of normality temperature.
Preferably, the natural thickness of this heat insulating compound film is 4～20mm, and the actual thickness that compresses is 1～4mm, and square metre quality is at 40～600g/m
2
Another technical scheme of the present invention has provided the application of a kind of above-mentioned accurate individual layer eider down net heat insulating compound film at interval, it is characterized in that: be used for separately or heat insulation with compound physical protection and the environment that is used for the high and low temperature occasion of other materials.
Relevant rarely have report through netting fixing down and the technology in heat insulating compound film thereof; The shaped device of relevant fixing down flocculus through warp knitted net and the patent of method (patent No. CN201010174926.4) have been applied for before the inventor herein; The mode that adopts the water thorn with the eider down flocculus be cemented in netting preparation different-thickness and the eider down number of plies by the eider down flocculus of fixing through netting; Solved easy, the effectively fixing preparation problem of eider down flocculus; Processing and forming technology is ripe, for the invention provides powerful technical support.
The present invention is directed to the demand and the material characteristics of thermally protective materials under-250～250 ℃ the high and low temperature environmental condition; Utilization multiple layer combination structural design comprehensive utilization plating high polymer complex film and accurate individual layer eider down prepare the heat insulating function composite membrane through netting; And it is heat insulation from contact resistance heat, heat reflection and the conduction of material; And the mechanical stability of film itself sets out, and solved the optimum organization of flexibility, lightweight and the high-and low-temperature resistance function and the heat-proof quality of heat insulating compound film material.
Compared with prior art, the present invention has following advantage: 1, heat insulating compound film is a multi-layer compound structure, constitutes simple; 2, function is reasonable, complete: the plating high polymer complex film realizes that highly reflective is heat insulation, controls plating high polymer complex film interlamellar spacing and forms the still air thermal isolation through the fixing accurate individual layer eider down of netting; 3, heat insulating compound film heat-proof quality and high-and low-temperature resistance function admirable, and structure is light and handy, soft, is easy to carry about with one, accumulating, folding, compacting, be easy to use and move in bending and distortion; 4, combination forming is convenient, only needs bonding or sew up to be shaped, and suitable application area is wide.
Description of drawings
The be as the criterion layer structure sketch map of individual layer eider down net heat insulating compound film at interval of Fig. 1.
Among the figure: 1-plating high polymer complex film, towards high temperature or cold temperature source; 2-is at interval through netting; The accurate individual layer eider down of 3-; 4-uses fabric always.
The specific embodiment
For making the present invention more obviously understandable, now with preferred embodiment, and conjunction with figs. elaborates as follows.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
In conjunction with layer of structure shown in Figure 1 and arrangement; Accurate individual layer eider down net provided by the invention heat insulating compound film at interval is to close heat insulating compound film through the layer that netting 2 fixing accurate individual layer eider downs 3 constitute by 3～20 layers plating high polymer complex film 1 at interval with its interlayer, or in the end one deck with fabric 4 cappings commonly used.Heat insulating compound film is bonding or make and make through multilayer, and its one side can be born-250～250 ℃ high or low temperature effect, simultaneously keeps 5～40 ℃ normality temperature.
Wherein, fabric 4 commonly used is a kind of in bafta, dacron or the polyester-cotton fabric.
The thickness of plating high polymer complex film 1 is 8～60 μ m.Plating high polymer complex film 1 is the film at the surperficial metal plated coating of the first high polymer basement membrane of being made up of terylene, polyimides or polyamide fibre, and this coat of metal is aluminium coated, alloy plating layer or Gold plated Layer.Also can on described film, cover the second high polymer basement membrane that the one deck and the first high polymer basement membrane commaterial are formed again, form the sandwich structure composite membrane by the first high polymer basement membrane, the coat of metal and the second high polymer basement membrane.
Be that square metre quality is at 6～20g/m through netting 2 at interval
2Terylene or polyamide fibre or aramid fiber long filament WARP-KNITTING; Said accurate individual layer eider down 3 is a suede, and it is fixed through netting 2 by described interval to be single shape ground, in case on-slip moves and loses.
Following specific embodiment 1～4th is selected different plating high polymer complex film materials, through netting, eider down and capping fabric; The different numbers of plies, natural thickness, compress thickness and square metre quality; And the different technologies that shape; Actual fabrication accurate individual layer eider down net of the present invention heat insulating compound film at interval, and the composite membrane inner surface steady temperature of gained heat insulating compound film under the high and low temperature condition surveyed and ocular estimate, the result sees following table and following statement for details.
Embodiment 1
Adopt the hierarchical structure of accurate individual layer eider down net of the present invention heat insulating compound film at interval and like the material and the processing technology of following table; And the prepared heat insulating compound film of employing the present invention; Be placed under 220 ℃ of hot conditions, the composite membrane inner surface steady temperature of actual measurement is shown in following table embodiment 1 hurdle.Actual visual observations, the surface is excellent.Prove that thus this composite membrane resistance to elevated temperatures is good.
Embodiment 2
Adopt the hierarchical structure of accurate individual layer eider down net of the present invention heat insulating compound film at interval and like the material and the processing technology of following table; And the prepared heat insulating compound film of employing the present invention; Be placed under 250 ℃ of hot conditions, the composite membrane inner surface steady temperature of actual measurement is shown in following table embodiment 2 hurdles.Actual visual observations, the surface is excellent.Prove that thus this composite membrane resistance to elevated temperatures is good.
Embodiment 3
Adopt the hierarchical structure of accurate individual layer eider down net of the present invention heat insulating compound film at interval and like the material and the processing technology of following table; And the prepared heat insulating compound film of employing the present invention; Be placed under-140 ℃ of cryogenic conditions, the composite membrane inner surface steady temperature of actual measurement is shown in following table embodiment 3 hurdles.Actual visual observations, the surface is excellent.Prove that thus this composite membrane resistance to low temperature is good.
Embodiment 4
Adopt the hierarchical structure of accurate individual layer eider down net of the present invention heat insulating compound film at interval and like the material and the processing technology of following table; And the prepared heat insulating compound film of employing the present invention; Be placed under-180 ℃ of cryogenic conditions, the composite membrane inner surface steady temperature of actual measurement is shown in following table embodiment 4 hurdles.Actual visual observations, the surface is excellent.Prove that thus this composite membrane resistance to low temperature is good.
The formation and the measured result of accurate individual layer eider down net heat insulating compound film at interval
Claims (10)
1. accurate individual layer eider down net heat insulating compound film at interval, it is characterized in that: comprise 3～20 layers plating high polymer complex film (1), accurate individual layer eider down (3) is fixed between the adjacent two layers plating high polymer complex film (1) through netting (2) through the interval.
2. a kind of accurate individual layer eider down net as claimed in claim 1 heat insulating compound film at interval; It is characterized in that: also comprise being positioned between fabric (4) commonly used and the said plating high polymer complex film of one deck (1) adjacent the accurate individual layer eider down of fixing through netting (2) through said interval (3) is arranged equally with it away from the fabric commonly used (4) that is used for capping of high temperature source or cold temperature source one deck.
3. a kind of accurate individual layer eider down net as claimed in claim 2 heat insulating compound film at interval is characterized in that: a kind of in bafta, dacron or the polyester-cotton fabric of said fabric commonly used (4).
4. a kind of accurate individual layer eider down net as claimed in claim 1 heat insulating compound film at interval; It is characterized in that: said plating high polymer complex film (1) is that this coat of metal is aluminium coated, alloy plating layer or Gold plated Layer at the film of the surperficial metal plated coating of the first high polymer basement membrane of being made up of terylene, polyimides or polyamide fibre.
5. a kind of accurate individual layer eider down net as claimed in claim 4 heat insulating compound film at interval; It is characterized in that: on described film, cover the second high polymer basement membrane that the one deck and the first high polymer basement membrane commaterial are formed again, form the sandwich structure composite membrane by the first high polymer basement membrane, the coat of metal and the second high polymer basement membrane.
6. a kind of accurate individual layer eider down net as claimed in claim 1 heat insulating compound film at interval, it is characterized in that: the thickness of said plating high polymer complex film (1) is 8～60 μ m.
7. a kind of accurate individual layer eider down net as claimed in claim 1 heat insulating compound film at interval is characterized in that: said interval is that square metre quality is at 6～20g/m through netting (2)
2Terylene or polyamide fibre or aramid fiber long filament WARP-KNITTING; Said accurate individual layer eider down (3) is a suede, and it is fixed through netting (2) by described interval to be single shape ground, in case on-slip moves and loses.
8. a kind of accurate individual layer eider down net as claimed in claim 1 heat insulating compound film at interval; It is characterized in that: bonding or make formation through multilayer; One side can be born-250～250 ℃ high or low temperature effect, and one side keeps airtight, heat insulation, the warming fully soft heat insulating compound film of 5～40 ℃ of normality temperature.
9. a kind of accurate individual layer eider down net as claimed in claim 1 heat insulating compound film at interval, it is characterized in that: the natural thickness of this heat insulating compound film is 4～20mm, and the actual thickness that compresses is 1～4mm, and square metre quality is at 40～600g/m
2
10. the application of an accurate individual layer eider down net as claimed in claim 1 heat insulating compound film at interval is characterized in that: be used for separately or heat insulation with compound physical protection and the environment that is used for the high and low temperature occasion of other materials.
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| CN201210293409.8A CN102815041B (en) | 2012-08-16 | 2012-08-16 | Quasi monolayer eiderdown mesh spaced thermal insulation composite film and application thereof |
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| CN201210293409.8A CN102815041B (en) | 2012-08-16 | 2012-08-16 | Quasi monolayer eiderdown mesh spaced thermal insulation composite film and application thereof |
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| CN102815041A true CN102815041A (en) | 2012-12-12 |
| CN102815041B CN102815041B (en) | 2015-04-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108138404A (en) * | 2015-08-07 | 2018-06-08 | 普莱玛有限公司 | Non-woven natural feather batting |
| CN110325677A (en) * | 2016-12-08 | 2019-10-11 | 罗尼·鲁本 | Composite eiderdown sheet material with elastic adhesive net |
| CN115748242A (en) * | 2022-11-04 | 2023-03-07 | 河北科技大学 | Preparation method of aerogel-based flexible heat-preservation and heat-insulation chip |
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Cited By (3)
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| CN108138404A (en) * | 2015-08-07 | 2018-06-08 | 普莱玛有限公司 | Non-woven natural feather batting |
| CN110325677A (en) * | 2016-12-08 | 2019-10-11 | 罗尼·鲁本 | Composite eiderdown sheet material with elastic adhesive net |
| CN115748242A (en) * | 2022-11-04 | 2023-03-07 | 河北科技大学 | Preparation method of aerogel-based flexible heat-preservation and heat-insulation chip |
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| CN102815041B (en) | 2015-04-08 |
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