CN102815041B - 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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- CN102815041B CN102815041B CN201210293409.8A CN201210293409A CN102815041B CN 102815041 B CN102815041 B CN 102815041B CN 201210293409 A CN201210293409 A CN 201210293409A CN 102815041 B CN102815041 B CN 102815041B
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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
The present invention relates to a kind of human body or the heat insulation frivolous flexible compound membrane material technology with protecting of environment temperature, particularly relate to the heat insulating compound film at a kind of accurate monolayer eiderdown mesh interval and uses thereof, this heat insulating compound film can separately for or to be used for fire-fighting, military affairs, exploration, the physical protection of contour, the low temperature situation special occasions of industry and environment heat insulation with other materials compound.
Background technology
Physical protection under temperature field condition is content the most basic in protective materials research, 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 DEG C ~ 250 DEG C, as the cold and radiant heat environment in 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 the pliability of membrane structure material is good, lightweight, can plyability strong, rigidity can be become flexible feature, can efficiently and utilize material targetedly, therefore in the last few years, new material in this area, new technology, new technology constantly occur, relevant basic and application foundation Journal of Sex Research also have carries out, this has greatly expanded the applicability of membrane material under the harsh conditions such as high and low temperature and use.
The single-layer polymer film tube that performance was single with low in the past is more substituted by multilayer or multilayer complex films.Multilayer complex films can make full use of the feature of its each layer, the action and function between key-course, makes up respective shortcoming, thus is designed or apply required function and structure.
First the flexible material used under high and low temperature environment will solve the ability to bear to high and low temperature (-250 DEG C ~ 250 DEG C) condition; But under these harsh conditions, very easily there is fatigue and destruction in high polymer flexible material.When high temperature, material is understood thermal degradation, disordering and is softened, and makes material structure change thus, produces tired; When low temperature, material becomes fragile, fracture.Therefore in the present context high requirement is proposed to protective materials.The necessary high temperature resistant and low temperature of one protective materials; It two will have well reflection and isolated thermal radiation function; It three keeps original proterties in high and low temperature environment.
To the flexible thermal isolation film material applied under high and low temperature condition, there are more patent and research in recent years.Chinese Academy of Space Technology Jiang Jingshan researcher is in aerospace material technique (2000,30 (4)) in the paper delivered " multilayer insulation material and in spaceborne application ", interval loose fiber goods (as fibrous paper, fibrofelt, fiber cloth etc.) and terylene net compound obtain multilayer insulation material respectively to adopt the two-sided aluminized mylar of multilayer, as the multilayer insulation material on spacecraft surface, to tackle spacecraft surface just to the high temperature of more than+200 DEG C of sunshine be low to moderate the low temperature of less than-200 DEG C back to sunshine.Gained multilayer insulation material generally can the temperature difference realized from 23 DEG C to-196 DEG C fall, though have good heat-proof quality, serviceability temperature scope is also comparatively limited.
Heat insulating compound film (number of patent application CN201120138328.1) is bondd by modified poly ethylene or polyester support protective layer, polyurethane first adhesive layer, aluminum membranous layer, polyurethane second adhesive layer and back-protective layer and is composited; use as heat-barrier material for building; but serviceability temperature is only limitted to about 50 DEG C, be not suitable for using under low temperature or higher temperature.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; Brown paper rough surface, is easy to and the surface adhesive such as building; Air in compound bubble layer bubble can not form convection current with ambient atmos, and sunshine can reflect back by reflector layer, and thus composite membrane has effective radiation proof, heat-blocking action.This patent is also use as heat-barrier material for building, is not suitable for using under low temperature or higher temperature.Heat-insulating composite film (number of patent application CN200920027882.5) is formed through bonding or stitched composite by upper and lower two layers of surface film and middle heat insulation filling film, 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 application is comparatively extensive, 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 arranged in the same way by multilayer, and the insulating unit be made up of polyimides or carbon-fiber film substrate layer and porous silica aerogel layer bonds through high temperature glue-line and is composited; Gained thermal isolation film can be used for the thermal isolation under the high ambient conditions of more than 300 DEG C.Although thermal isolation film has good resistance to elevated temperatures and effect of heat insulation, film is more thick and heavy, and there is redundancy for the hot conditions of 250 DEG C.
The preparation method (number of patent application CN200810039655.4) of meso-scale flaky vermiculite and heat-resistant polymer heat insulation composite membrane adopts carbon chain lengths to be 12 ~ 36 quaternary ammonium alkyl salt compounds to be less than 10 μm of vermiculites to particle diameter after grinding that to carry out organic expander modified, obtains meso-scale flaky vermiculite with the process of high pressure Microfluidizer; Select heat-resistant polymer material polyether sulphone or inbred group breeding as continuous phase, make inorganic laminar vermiculite crystallite be dispersed in organic high molecular polymer material by methods such as supersonic cell pulverizing, obtain through dry method and water-laid film.Its thermal conductivity factor of products obtained therefrom extremely low (0.038 ~ 0.047W/mK), has good heat-proof quality; Gained composite membrane closely can also be coated on the fabric surface such as PSA fiber, improves its resistance to naked light, thermal isolation performance, particularly 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 meso-scale inorganic high-temperature resistant vermiculite material that adulterates in high-molecular organic material obtains heat-resistant polymer heat insulation composite membrane, though have good thermal isolation performance, its stability at low temperature environment and durability do not have report.
Heat insulating compound film (number of patent application CN200510024710.9) is the patent of invention before applicant, efficient, the lightweight of (-150 ~ 120 DEG C), flexible multi-functional thermal protection under adopting the structure be composited by the outer overlay film of the metal level of the high polymer basement membrane of high-strength low heat conductivity coefficient, high reverse--bias performance, the metal oxide layer of high thermal insulation and the heat bondable high polymer of low heat conductivity to realize 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) is also the patent of invention before applicant, one side adopts the high performance coated fabric of high-and low-temperature resistance, another side adopts soft, comfortable, frost prevention, anti-condensation coated fabric, the middle compound fabric adopting the high polymer of multilayer insulation and metal composite film to form, between MULTILAYER COMPOSITE can tape thickness, dimensionally stable lining meshi fabric, realize one side and can bear high temperature, low temperature or high and low temperature compound action, one side keeps 5 ~ 35 DEG C 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, the heat insulation and protection under-120 ~ 120 DEG C of conditions can be realized.Though widely applicable, effect of heat insulation is limited.
As can be seen from above patented technology, though existing heat insulating compound film some there is certain effect of heat insulation and high-and low-temperature resistance performance, the ability to bear under the high and low temperature condition of-250 ~ 250 DEG C is limited, very easily occurs tired and destroys.And in practical application, the requirement of lightweight, flexibility and high efficient protected has been proposed to protective materials under high and low temperature environment.
Summary of the invention
The object of this invention is to provide the heat insulating compound film at a kind of high-low temperature resistant, lightweight, soft accurate monolayer eiderdown mesh interval.Another object of the present invention is to provide a kind of purposes of above-mentioned heat insulating compound film.
In order to achieve the above object, principle of the present invention is thermal isolation under the multiple layer combination structural design of netting realizes high and low temperature environment of comprehensive utilization plating high polymer complex film and accurate monolayer eiderdown and protection.Realize highly reflective with plating high polymer complex film heat insulation and form low thermal contact conductance, composite membrane this as airtight gas impermeable material, realize the thermal isolation effect of individual layer thus; Control plating high polymer complex film interlamellar spacing with the accurate monolayer eiderdown fixing through netting and form still air layer to realize effective air heat and completely cut off.By plating high polymer complex film and accurate monolayer eiderdown 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 there is provided a kind of heat insulating compound film of accurate monolayer eiderdown mesh interval, it is characterized in that: the plating high polymer complex film comprising 3 ~ 20 layers, accurate monolayer eiderdown is fixed between adjacent two layers plating high polymer complex film through netting by interval.
Preferably, also comprise the conventional fabric for capping be positioned at farthest away from high temperature source or cold temperature source one deck, conventional have by described interval equally between fabric with plating high polymer complex film described in one deck adjacent with it through the fixing accurate monolayer eiderdown of netting.
Preferably, described conventional fabric is the one in bafta, dacron or polyester-cotton fabric.
Preferably, described plating high polymer complex film is the film of the coat of metal on the plated surface of the first high polymer basement membrane be made up of terylene, polyimides or polyamide fibre, and this coat of metal is aluminium coated, alloy plating layer or Gold plated Layer.
Preferably, described film covers the second high polymer basement membrane that one deck and the first high polymer basement membrane commaterial form again, forms 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 described plating high polymer complex film is 8 ~ 60 μm.
Preferably, described interval is that square metre quality is at 6 ~ 20g/m through netting
2terylene or polyamide fibre or aramid filament WARP-KNITTING; Described accurate monolayer eiderdown is a suede, in single shape by described interval through netting consolidation, in case on-slip moves and loses.
Preferably, by laminated or make formation, one side can bear the high or low temperature effect of-250 ~ 250 DEG C, simultaneously completely airtight, heat insulation, the warming soft heat insulating compound film of maintenance 5 ~ 40 DEG C of normality temperature.
Preferably, the natural thickness of this heat insulating compound film is 4 ~ 20mm, and actual compression thickness is 1 ~ 4mm, and square metre quality is at 40 ~ 600g/m
2.
Another technical scheme of the present invention there is provided a kind of application of heat insulating compound film of above-mentioned accurate monolayer eiderdown mesh interval, it is characterized in that: separately for or be used for the physical protection of high and low temperature occasion with other materials compound and environment heat insulation.
About rarely having report through netting fixing down and the technology in heat insulating compound film thereof, the patent (patent No. CN201010174926.4) of shaped device about fixing down flocculus through warp knitted net and method has been applied for before inventor herein, adopt the mode of water thorn to be cemented in by eiderdown flake to prepare in netting different-thickness and the eider down number of plies by the eiderdown flake fixed through netting, solve the preparation problem that eiderdown flake is easy, effectively fixing, processing and forming technology is ripe, for the invention provides strong technical support.
The present invention is directed to demand and the material characteristics of thermally protective materials under the high and low temperature environmental condition of-250 ~ 250 DEG C, multiple layer combination structural design comprehensive utilization plating high polymer complex film and accurate monolayer eiderdown is used to prepare heat insulating function composite membrane through netting, and it is heat insulation from the contact thermal resistance of material, heat reflection and conduction, and the mechanical stability of film itself sets out, solve the optimum organization of the flexibility of heat insulating compound film material, lightweight and high-and low-temperature resistance function and heat-proof quality.
Compared with prior art, tool of the present invention has the following advantages: 1, heat insulating compound film is multi-layer compound structure, forms simple; 2, function is reasonable, complete: it is heat insulation that plating high polymer complex film realizes highly reflective, and the accurate monolayer eiderdown fixing through netting controls plating high polymer complex film interlamellar spacing and form still air thermal isolation; 3, heat insulating compound film heat-proof quality and high-and low-temperature resistance function admirable, and light structure, softness, be easy to carry about with one, accumulating, folding, compacting, be easy to the bending and distortion in using and moving; 4, combination forming is convenient, and only need bond or sew up shaping, suitable application area is wide.
Accompanying drawing explanation
Fig. 1 is as the criterion the layer structure schematic diagram of heat insulating compound film at monolayer eiderdown mesh interval.
In figure: 1-plating high polymer complex film, towards high temperature or cold temperature source; 2-interval is through netting; The accurate monolayer eiderdown of 3-; 4-commonly uses fabric.
Detailed description of the invention
For making the present invention become apparent, hereby with preferred embodiment, and accompanying drawing is coordinated to be described in detail below.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Layer of structure shown in composition graphs 1 and arrangement, the heat insulating compound film at accurate monolayer eiderdown mesh interval provided by the invention is the laminated heat insulating compound film be made up of through the accurate monolayer eiderdown 3 that netting 2 is fixing the plating high polymer complex film 1 of 3 ~ 20 layers and its interlayer interval, or in the end one deck with the capping of conventional fabric 4.Heat insulating compound film is by laminated or make obtained, and its one side can bear the high or low temperature effect of-250 ~ 250 DEG C, and one side keeps the normality temperature of 5 ~ 40 DEG C.
Wherein, conventional fabric 4 is the one in bafta, dacron or polyester-cotton fabric.
The thickness of plating high polymer complex film 1 is 8 ~ 60 μm.Plating high polymer complex film 1 is the film of the coat of metal on the plated surface of the first high polymer basement membrane be made up of terylene, polyimides or polyamide fibre, and this coat of metal is aluminium coated, alloy plating layer or Gold plated Layer.Also on described film, the second high polymer basement membrane that one deck and the first high polymer basement membrane commaterial form can be covered again, form sandwich structure composite membrane by the first high polymer basement membrane, the coat of metal and the second high polymer basement membrane.
Interval is that square metre quality is at 6 ~ 20g/m through netting 2
2terylene or polyamide fibre or aramid filament WARP-KNITTING; Described accurate monolayer eiderdown 3 is a suede, in single shape by described interval through netting 2 consolidation, in case on-slip moves and loses.
Following specific embodiment 1 ~ 4 selects different plating high polymer complex film materials, through netting, eider down and capping fabric, the different numbers of plies, natural thickness, compression thickness and square metre quality, and different shape technique, the heat insulating compound film at actual preparation accurate monolayer eiderdown mesh interval of the present invention, and the composite membrane inner surface steady temperature of gained heat insulating compound film under high and low temperature condition is surveyed and ocular estimate, the results detailed in following table and following statement.
Embodiment 1
Adopt the heat insulating compound film at accurate monolayer eiderdown mesh interval of the present invention hierarchical structure and as the material of following table and processing technology, and adopt the heat insulating compound film obtained by the present invention, under being placed on 220 DEG C of hot conditions, the composite membrane inner surface steady temperature of actual measurement is as shown in following table embodiment 1 hurdle.Actual visual observations, surface is excellent.Prove that this composite membrane resistance to elevated temperatures is excellent thus.
Embodiment 2
Adopt the heat insulating compound film at accurate monolayer eiderdown mesh interval of the present invention hierarchical structure and as the material of following table and processing technology, and adopt the heat insulating compound film obtained by the present invention, under being placed on 250 DEG C of hot conditions, the composite membrane inner surface steady temperature of actual measurement is as shown in following table embodiment 2 hurdle.Actual visual observations, surface is excellent.Prove that this composite membrane resistance to elevated temperatures is excellent thus.
Embodiment 3
Adopt the heat insulating compound film at accurate monolayer eiderdown mesh interval of the present invention hierarchical structure and as the material of following table and processing technology, and adopt the heat insulating compound film obtained by the present invention, under being placed on-140 DEG C of cryogenic conditions, the composite membrane inner surface steady temperature of actual measurement is as shown in following table embodiment 3 hurdle.Actual visual observations, surface is excellent.Prove that this composite membrane resistance to low temperature is excellent thus.
Embodiment 4
Adopt the heat insulating compound film at accurate monolayer eiderdown mesh interval of the present invention hierarchical structure and as the material of following table and processing technology, and adopt the heat insulating compound film obtained by the present invention, under being placed on-180 DEG C of cryogenic conditions, the composite membrane inner surface steady temperature of actual measurement is as shown in following table embodiment 4 hurdle.Actual visual observations, surface is excellent.Prove that this composite membrane resistance to low temperature is excellent thus.
The formation of the heat insulating compound film at accurate monolayer eiderdown mesh interval and measured result
Claims (7)
1. the heat insulating compound film at an accurate monolayer eiderdown mesh interval, it is characterized in that: the plating high polymer complex film (1) comprising 3 ~ 20 layers, accurate monolayer eiderdown (3) is fixed between adjacent two layers plating high polymer complex film (1) by interval through netting (2);
Described plating high polymer complex film (1) is the film of the coat of metal on the plated surface of the first high polymer basement membrane be made up of terylene, polyimides or polyamide fibre, and this coat of metal is aluminium coated, alloy plating layer or Gold plated Layer;
Described interval is 6 ~ 20g/m through netting (2)
2terylene or polyamide fibre or aramid filament WARP-KNITTING; Described accurate monolayer eiderdown (3) is a suede, in single shape by described interval through netting (2) consolidation, in case on-slip moves and loses;
The thickness of described plating high polymer complex film (1) is 8 ~ 60 μm.
2. the heat insulating compound film at a kind of accurate monolayer eiderdown mesh interval as claimed in claim 1, it is characterized in that: also comprise the conventional fabric (4) for capping be positioned at farthest away from high temperature source or cold temperature source one deck, conventional have the accurate monolayer eiderdown (3) of being fixed through netting (2) by described interval equally between fabric (4) with plating high polymer complex film (1) described in one deck adjacent with it.
3. the heat insulating compound film at a kind of accurate monolayer eiderdown mesh interval as claimed in claim 2, is characterized in that: described conventional fabric (4) is bafta, one in dacron or polyester-cotton fabric.
4. the heat insulating compound film at a kind of accurate monolayer eiderdown mesh interval as claimed in claim 1, it is characterized in that: on described film, cover the second high polymer basement membrane that one deck and the first high polymer basement membrane commaterial form again, form sandwich structure composite membrane by the first high polymer basement membrane, the coat of metal and the second high polymer basement membrane.
5. the heat insulating compound film at a kind of accurate monolayer eiderdown mesh interval as claimed in claim 1, it is characterized in that: by laminated or make formation, one side can bear the high or low temperature effect of-250 ~ 250 DEG C, and one side keeps completely airtight, heat insulation, the warming soft heat insulating compound film of 5 ~ 40 DEG C of normality temperature.
6. the heat insulating compound film at a kind of accurate monolayer eiderdown mesh interval as claimed in claim 1, is characterized in that: the natural thickness of this heat insulating compound film is 4 ~ 20mm, and actual compression thickness is 1 ~ 4mm, and square metre quality is 40 ~ 600.
7. an application for the heat insulating compound film at accurate monolayer eiderdown mesh interval as claimed in claim 1, is characterized in that: separately for or be used for the physical protection of high and low temperature occasion with other materials compound and environment heat insulation.
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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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| CN102815041B true CN102815041B (en) | 2015-04-08 |
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| CN108138404A (en) * | 2015-08-07 | 2018-06-08 | 普莱玛有限公司 | Non-woven natural feather batting |
| KR20190091340A (en) * | 2016-12-08 | 2019-08-05 | 로니 루벤 | Composite Down Feather Sheet with Elastic Adhesive Web |
| 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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| CN1272167C (en) * | 2004-09-24 | 2006-08-30 | 东华大学 | Heat insulation soft thin composite fabric, preparing method and its use |
| CN101892599B (en) * | 2010-05-14 | 2012-06-13 | 东华大学 | Molding device and method for fixing down flocculus through warp knitted net |
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