CN102783741B - Multistage-spreading heat-dissipation fire-proof heat-insulation composite fabric, preparation method and application - Google Patents
Multistage-spreading heat-dissipation fire-proof heat-insulation composite fabric, preparation method and application Download PDFInfo
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- CN102783741B CN102783741B CN201210293207.3A CN201210293207A CN102783741B CN 102783741 B CN102783741 B CN 102783741B CN 201210293207 A CN201210293207 A CN 201210293207A CN 102783741 B CN102783741 B CN 102783741B
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Abstract
The invention relates to a preparation method and an application of multistage-spreading heat-dissipation fire-proof heat-insulation composite fabric. The multistage-spreading heat-dissipation fire-proof heat-insulation composite fabric is formed by successively arranging and laminating a metal foil reflection layer, a phase change temperature limitation layer, an interval composite membrane heat-insulation layer and a flame-retardant comfortable layer, wherein the metal foil reflection layer has high reflectivity and an enhanced heat-dissipation function; the phase change temperature limitation layer has functions of high energy consumption absorption and evenly-distributed heat conduction; the interval composite membrane heat-insulation layer has the functions of reflection insulation and even distribution of heat; and the flame-retardant comfortable layer has the functions of low-contact heat conduction, heat insulation and comfort. When the front side of the multistage-spreading heat-dissipation fire-proof heat-insulation composite fabric is under the action of open fire and strong heat flow environment, the back side of the multistage-spreading heat-dissipation fire-proof heat-insulation composite fabric can be kept below 50DEG C which is near the safe temperature state of the human skin, and the integral structural form and the mechanical property are stable. The natural thickness of the composite fabric is 5-15mm, the compression thickness of the composite fabric is 3-8mm, and the square meter quality of the composite fabric is 400-1500g/m<2>. The composite fabric is fire-proof heat-insulation material which is totally sealed, stuck and sewn and can be used for individual protection and environment heat insulation in special high-temperature occasions, such as fire control, military, exploration, safe escape and industry and the like.
Description
Technical field
The present invention relates to the adiabatic frivolous flexible composite technology with protecting of human body or environment temperature, is a kind of preparation and purposes of fire-proof heat-insulating compound fabric of multiple development heat radiation.This fire-proof heat-insulating compound fabric is heat insulation applicable to physical protection and the environment of the special occasions such as fire-fighting, military affairs, exploration, industry, belongs to composite material for weaving and function technology textile field.
Background technology
Under the high temperature heat-flash environment such as the scene of a fire, the topmost potential danger of existence, comprising: the burn danger to human body of the hot environment in the scene of a fire, especially radiant heat; Protective gear utensil is ignited by flame and contacts high temp objects surface and causes heat conduction at a high speed, causes the danger of human body burn etc.Therefore, burn and normally work for unlikely, fire-fighting and particular job personnel answer wearing functions clothes to carry out effective heat insulation protection.
Data shows, the hot-fluid being produced by naked light burning things which may cause a fire disaster is except small part (lower than 30%) convection current, and the radiant heat of propagating mainly with electromagnetic wave form dispels the heat to surrounding.Because radiant heat penetration power is strong, be easy to cause human body burn or burn, the focusing on of therefore fire-fighting class fire-proof heat-insulating fabric reduced radiant heat infiltration, falls low heat conductivity, and protective garment deep layer programming rate is slowed down.So fire-proof heat-insulating fabric not only wants surface to have highly reflective energy to radiant heat, and itself will have high function of inhaling power consumption and quick heat radiating, also fire-resistant, high temperature resistant, to realize the efficient isolated of burning things which may cause a fire disaster or thermal source and the safe and effective protection to human body.
For fire-proof heat-insulating kind fabric, there are in recent years more research and patent.As heat insulation protective clothing fabric for firemen (patent No. CN200920211471.1) is made up of aluminium foil, PET polyester film and aramid fiber plain woven base cloth, wherein aluminium foil is the thick rolling aluminum foil of 7 μ m; This invention obtains good penetrating quality of anti radiant heat effect, but due to the restriction of thickness and PET polyester film fusing point, its thermal protection effect is very limited.Anti-heat radiation high-temperature-resistant flame-proof protective garment fabric (patent No. CN200920309275.8) adopts the composite construction of the overcoat of heat-resisting, flame-retardant textile fibrage, adhesive layer and thermal radiation resistance from inside to outside, and wherein thermal radiation resistance overcoat is the polyester aluminizer of 20～25 μ m; Protective garment fabric of the present invention has good thermal radiation resistance, and light weight, high temperature resistant, shrinkage factor is little, but polyester aluminizer resistance to elevated temperatures is limited.
The multi-layer compound fabric that aluminum-foil fire-resistant heat-proof gloves (patent No. CN201020276197.9) is made up of the layer of resistance to flame, thermal insulation layer and endonexine is made.Wherein the layer of resistance to flame is composited by the tissue layer of Ripstop rule blending woven by aluminium foil layer with aramid fiber and antistatic cotton; Thermal insulation layer adopts permanent fire retardant nonwoven fabric.Gloves have reduced the danger contacting with thermal source, have strengthened the isolating and protecting to high temperature.
Have the heat insulating coat fabric (patent No. CN201010222904.0) of reflecting layer, radiating layer multiplet, made by base cloth and the heat-insulating slurry being coated on base cloth, wherein heat-insulating slurry is for containing nano-TiO
2radiation function layer and containing the double-layer structure of the reflection function layer of hollow glass microballoon.Coated fabric can be realized good effect of heat insulation by the radiation function of radiating layer after by the reflection function in reflecting layer again, but is unsuitable for the use under high temperature fire field environment.
Anti-photothermal radiation nanocomposite fabric coating material (patent No. CN200910181069.8), can form ceramic photothermal reflectance layer at fabric face by special process, nano-titanium compound reflecting layer and stabilized zone, play near infrared ray and visible ray reflected.Test result shows that composite Nano fabric coating can reach more than 81% in heat reflective radiation.Thermal radiation resistance high-temperature resistant fabric (patent No. CN201020644530.7), ecto-entad is respectively the resistant to elevated temperatures polyester metallized film overcoat that thickness is 20-25 μ m, polyurethane adhesive gluing layer and the alumina silicate fibre layer that thickness is 2-6 μ m is composited.This fabric is mainly for radiant heat protection, though polyester metallized film has certain high-temperature stability, is easy to be melted destruction when in the face of scene of a fire high temperature heat-flash stream environment.
Heat insulating compound film (patent No. CN200510024710.9) is the patent of invention before applicant, adopt by the high polymer basement membrane of high-strength low heat conductivity coefficient, highly reflective can the metal oxide layer of metal level, high thermal insulation and structure that the outer overlay film of the heat bondable high polymer of low heat conductivity is composited realize efficient, lightweight, the flexible multi-functional thermal protection of (150～120 DEG C) under high and low temperature environment.
Heat insulation soft thin composite fabric (patent No. 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 high polymer of multilayer insulation and the compound fabric that metal composite film forms of adopting, can tape thickness between MULTILAYER COMPOSITE, the lining meshi fabric of dimensionally stable, 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 compound fabric of the present invention is at 3～12mm, and weight per square meter is at 150～550g/m
2, can realize the heat insulation and protection under-130～120 DEG C of conditions.Though widely applicable, effect of heat insulation is limited.This patent is not fire resistance applications, and both flames of anger radiant heat high reflection layers, without decalescence dissipate limit temperature layer and preparation method's difference yet.
By the prepared Thermal Protective Fabric of above patented technology or thermal isolation film, although there is good radiation proof heat leak performance, but in actual applications, owing to being subject to the restriction of foil polymer matrix and heat conductivility, be subject to high temperature heat-flash do the used time easily cause material surface heat concentrate and hot-spot damage, as the high temp fire at 800～1000 DEG C after the match end user know from experience burnt or burnt in the utmost point short time.
Summary of the invention
An object of the present invention is to provide the multiple development heat radiation fire-proof heat-insulating compound fabric of a kind of radiation proof heat leak and burn-off function admirable, lightweight, flexibility.Another object of the present invention is to provide a kind of Preparation method and use of above-mentioned compound fabric.
In order to achieve the above object, principle of the present invention is to realize fire-proof heat-insulating Function Decomposition by design by metal forming reflecting layer, phase transformation limit temperature layer, interval composite membrane heat insulation layer and fire-retardant comfort liner share and dissipate.Realize and diffusion to infiltration heat and uniform isolated to the photothermal reflection in the scene of a fire with high reflectance and the metal forming reflecting layer that strengthens heat sinking function; The phase transformation limit temperature layer realization of inhaling power consumption and the uniform function of hot conduction with height dissipates to the absorption of infiltration radiant heat and heat by conduction and evenly spreads; Realize and uniform dissipation isolated to the further transmitting of fabric heat with reflection, interval composite membrane heat insulation layer isolated and uniform heat function; Ensure the safety and comfort of human body with low thermal contact conductance and fire-retardant fire-retardant comfort liner; The compound fabric being composited using above-mentioned each functional structure layer is as the fire-proof heat-insulating protection system of multiple development heat radiation.Fire-proof heat-insulating compound fabric have lightweight, flexibility, flame resistant impact, high high-temp stability and radiant heat barrier propterty good, while being heated surface and internal heat be uniformly distributed, the feature such as reusable.This compound fabric is metal forming reflecting layer, high suction power consumption phase transformation limit temperature layer, interval composite membrane heat insulation layer and fire-retardant comfort liner towards the order of burning things which may cause a fire disaster or thermal source, thereby realize under the high temperature heat-flash environment of the scene of a fire, the highly effective and safe of human body is protected.
A concrete technical scheme of the present invention has been to provide a kind of fire-proof heat-insulating compound fabric of multiple development heat radiation, it is characterized in that: by there is high reflectance and strengthen heat sinking function metal forming reflecting layer, there is the high phase transformation limit temperature layer of inhaling power consumption and the uniform function of heat conduction, there is reflection, completely cut off and the interval composite membrane heat insulation layer of uniform heat function and there is low thermal contact conductance and the fire-retardant comfort liner of fire-retardant and comfortable function is arranged in order and forms, wherein, metal forming reflecting layer is positive, towards flame or high temperature source, fire-retardant comfort liner is reverse side, towards human body.
Preferably, described metal forming reflecting layer is by the metal forming and bonding being composited of the thread enhancing base cloth of the high temperature resistant yarn with metallic fiber that is positioned at sublevel that are positioned at outermost top layer;
Metal forming is that thickness is pure aluminum foil or the alloy foil of 5～10 μ m, has good reflect radiation heat performance and leads performance;
High temperature resistant yarn is to be formed by glass fibre or basalt fibre and metallic fiber composite spinning, metallic fiber is stainless steel fibre or copper fiber, metallic fiber is 1～10% with the compound ratio of glass fibre or basalt fibre, yarn is strengthened and make rapidly diffusion and uniform of heat.
It is isolated that the metal forming of utilizing high compactness realizes good reflection to light, the heat radiation of scene of a fire high temperature intense radiation hot-fluid environment; Metallic fiber in high temperature resistant yarn can make to penetrate the heat diffusion and uniform rapidly of metal forming.
Preferably, described phase transformation limit temperature layer is by being mixed with the high-temperature fibre felt of broken-staple metal fibre and processing with leakproof composite for base fabric wiry, 200～400 DEG C of phase transformation powder adherence that solid-liquid phase change can occur, in high-temperature fibre felt, phase transformation powder can be realized the height of radiation osmotic heat and heat by conduction is absorbed and dissipated;
High-temperature fibre felt is glass mat or basalt fibre felt, and thermal adaptability is room temperature～800 DEG C;
Broken-staple metal fibre is stainless steel short fiber or copper short fiber, to increase the rapid diffusion of heat and to be distributed in phase transformation heat dissipation in high-temperature fibre felt, concentrates or hot-spot and reduce heat;
Wire is stainless steel wire or copper wire, to strengthen diffusion and the uniform dissipation of leakproof base cloth and increase after-heat;
Leakproof base cloth is that resistant to elevated temperatures basalt fibre or glass fibre and composite yarn wiry are made woven fabric, for preventing that phase transformation powder is in processing and the leakage that uses.
High-temperature fibre felt is as the carrier of broken-staple metal fibre and phase transformation powder, and compound rear rapid diffusion and the uniform and high absorption that realizes heat dissipates, and concentrates or hot-spot thereby reduce heat.Diffusion and the uniform dissipation of after-heat can be increased with leakproof base cloth wiry, and the leakage of phase transformation powder in processing and in using can be prevented.
Preferably, it is fixing that described interval composite membrane heat insulation layer and described fire-retardant comfort liner are sewed up mutually, and described interval composite membrane heat insulation layer is by 4～20 layers of laminated forming of plating high polymer complex film, at the intermembranous laminated lining meshi fabric of adjacent two layers plating high polymer complex film;
Plating high polymer complex film is the aluminizing of terylene, polyimides or polyamide fibre high polymer base, alloy plating or gold-plated film;
Lining meshi fabric is the gridding lightweight reticulated that adopts weaving method to be shaped by terylene, polyamide fibre or aramid filament.
The laminated reflection multilayer of realizing heat with multilayer complex films completely cuts off and conducts uniform.
Preferably, described fire-retardant comfort liner is the one in flame-proof cotton fabric, flame-resistant terylene fabric or Nomex fabric.
The fire-retardant comfort liner of low thermal contact conductance carries out follow-up heat insulation and heat control and ensures that human body is comfortable and easy to wear mainly for the residue high temperature after aforementioned functional structure layer is shared the decomposition in the high temperature scene of a fire (100 DEG C of left and right).
Another technical scheme of the present invention has been to provide a kind of preparation method of fire-proof heat-insulating compound fabric of above-mentioned multiple development heat radiation, it is characterized in that, step is: by the fire-proof heat-insulating compound fabric of above-mentioned multiple development heat radiation except the metal forming in metal forming reflecting layer Manufactured each layer or organize composite bed and sew up in advance and fix after, again by metal forming with high temperature resistant binder evenly, point bonding is in front, airtight to form, smooth, unabroken natural thickness is 5～15mm, actual compression thickness is 3～8mm, and square metre quality is at 400～1500g/m
2fire-proof heat-insulating compound fabric, comprise that at this fire-proof heat-insulating compound fabric all each layer except lining meshi fabric and fire-retardant comfort liner forms the passage that multiple development dispels the heat.
Preferably, the natural thickness≤14mm of described phase transformation limit temperature layer and described interval composite membrane heat insulation layer sum, square metre quality≤1100g/m
2.
Another technical scheme of the present invention has been to provide the purposes of the fire-proof heat-insulating compound fabric of a kind of above-mentioned multiple development heat radiation, it is characterized in that: be applicable to the heat insulation protective materials used safely under 500～1000 DEG C of high temperature heat-flash filariasis field environmental conditions.
About the processing of comprising metal wire composite yarn with in the application aspect function fabric, applicant has been applied for Patents.Inhale in the electromagnetic shielding yarn and production equipment and production method (patent No. CN201110242817.6) of wave height bullet yarn and production equipment and production method (patent No. CN201110242760.X) and wire looping elastic filament in one, all adopt ring spinning frame to make to have inhale ripple and electro-magnetic screen function by outer felt around cored structure yarn section and the composite yarn that form of inner elastic filament, the short fiber yarn that wherein cored structure yarn section is wrapped in outside wire by wire and helical form is made.In the seminar of applicant, had spinning technology and the equipment of the composite yarn of ripe comprising metal wire, made composite yarn obtains effective application in each functional structure layer of the present invention.
The present invention is directed to the intense radiation heat under high temperature fire field environment (800～1000 DEG C) and conduct thermo-lag demand and the hot-spot problem of fire-fighting class heat-protective clothing existence at present, adopt suitable stitching and bonding process, the high-conduction heat radiation performance of high radiation reflecting properties, comprising metal wire or the broken-staple metal fibre fabric of comprehensive utilization metal forming, the height of high temperature phase change material (pcm) are inhaled the high thermal insulation of energy-dissipating property and interval composite membrane, make the fire-proof heat-insulating compound fabric of multiple development heat radiation, to realize the safe and effective protection to human body under high temperature fire field environment.
Compared with prior art, the present invention includes following advantage:
1, fire-proof heat-insulating compound fabric is four functional layer composite constructions, except having strengthened the height of radiation osmotic heat to the high temperature scene of a fire and heat by conduction absorbs and dissipate, in major function layer the ingenious application of metal filament or short fiber strengthened each layer in the rapid deployment of heat dispel the heat and uniform, form multiple development heat dissipation channel, avoid heat to concentrate or hot-spot, realized the highly effective and safe protection to human body.Add that people is constantly mobile and rotates, security and effective storage life significantly increase.
2, fire-proof heat-insulating compound fabric function sharing is reasonable, complete: the photothermal major part that metal forming reflecting layer can produce light, heat radiation thermal source reflects away; The height that phase transformation limit temperature layer can be realized radiation osmotic heat and heat by conduction absorbs dissipation and temperature cut-off; It is isolated and uniform that interval composite membrane heat insulation layer can be realized reflection multilayer to inner heat; It is heat insulation comfortable with guarantee human body that fire-retardant comfort liner can be realized follow-up low temperature.
3, fire-proof heat-insulating compound fabric is frivolous, flexible material, radiation proof infiltration and burn-off function admirable, and reusability is strong, can be used for the speedily carry out rescue work clothes of life-saving environmental such as the scene of a fire, battlefield, also can be used for Aero-Space protective materials.
Brief description of the drawings
Fig. 1 is the layer structure schematic diagram of the fire-proof heat-insulating compound fabric of multiple development heat radiation.
In figure: 1-metal forming reflecting layer (towards open flame source), it comprises 11-high-reflectivity metal paper tinsel, 12-is high temperature resistant enhancing base cloth, 13-wire; 2-phase transformation limit temperature layer, it comprises 21-high-temperature fibre felt, 22-phase transformation powder, 23-broken-staple metal fibre, 24-strengthens leakproof base cloth, 25-wire; 3-interval composite membrane thermal insulation layer, it comprises 31-plating high polymer complex film, 32-serves as a contrast meshi fabric; The fire-retardant comfort liner of 4-, near human body; 5-multiple development heat dissipation channel.
Detailed description of the invention
For the present invention is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
As shown in Figure 1, the invention provides a kind of fire-proof heat-insulating compound fabric of multiple development heat radiation, by there is high reflectance and strengthen heat sinking function metal forming reflecting layer 1, there is the high phase transformation limit temperature layer 2 of inhaling power consumption and the uniform function of heat conduction, there is reflection, completely cut off and the interval composite membrane heat insulation layer 3 of uniform heat function and there is low thermal contact conductance and the fire-retardant comfort liner 4 of fire-retardant and comfortable function is arranged in order and forms, wherein, metal forming reflecting layer 1 is positive, towards flame or high temperature source, fire-retardant comfort liner 4 is reverse side, towards human body.
Metal forming reflecting layer 1 is by the metal forming 11 and bonding being composited of the thread enhancing base cloth 12 of the high temperature resistant yarn with metallic fiber 13 that is positioned at sublevel that are positioned at outermost top layer;
Metal forming 11 for thickness be pure aluminum foil or the alloy foil of 5～10 μ m;
High temperature resistant yarn is to be formed by glass fibre or basalt fibre and metallic fiber 13 composite spinnings, metallic fiber 13 is stainless steel fibre or copper fiber, the compound ratio that metallic fiber 13 mixes with glass fibre or basalt fibre is 1～10%, yarn is strengthened and make rapidly diffusion and uniform of heat.
Phase transformation limit temperature layer 2, by being mixed with the high-temperature fibre felt 21 of broken-staple metal fibre 23 and forming with leakproof base cloth 24 Compound Machining of wire 25, sticks in high-temperature fibre felt 21 at 200～400 DEG C of phase transformation powder 22 that solid-liquid phase change can occur;
High-temperature fibre felt 21 is glass mat or basalt fibre felt;
Broken-staple metal fibre 23 is stainless steel short fiber or copper short fiber, to increase the rapid diffusion of heat and to be distributed in phase transformation heat dissipation in high-temperature fibre felt 21, concentrates or hot-spot and reduce heat;
Wire 25 is stainless steel wire or copper wire, to strengthen diffusion and the uniform dissipation of leakproof base cloth 24 and increase after-heat;
Leakproof base cloth 24 is that the composite yarn of resistant to elevated temperatures basalt fibre or glass fibre and wire 25 is made woven fabric, for preventing the leakage of phase transformation powder 22 in processing and use.
Interval composite membrane heat insulation layer 3 is sewed up mutually and is fixed with fire-retardant comfort liner 4, and interval composite membrane heat insulation layer 3 is by 4～20 layers of laminated forming of plating high polymer complex film 31, at the intermembranous laminated lining meshi fabric 32 of adjacent two layers plating high polymer complex film 31;
What plating high polymer complex film 31 was terylene, polyimides or polyamide fibre high polymer base aluminize, alloy plating or gold-plated film;
Lining meshi fabric 32 is the gridding lightweight reticulateds that adopt weaving method to be shaped by terylene, polyamide fibre or aramid filament.
Fire-retardant comfort liner 4 is the one in flame-proof cotton fabric, flame-resistant terylene fabric or Nomex fabric.
The present invention also provides a kind of preparation method of fire-proof heat-insulating compound fabric of above-mentioned multiple development heat radiation, the steps include: after in the fire-proof heat-insulating compound fabric of above-mentioned multiple development heat radiation, except the metal forming 11 in metal forming reflecting layer 1, Manufactured each layer or group composite bed are sewed up in advance and fixed, again by metal forming 11 use high temperature resistant binders evenly, point bonding is in front, airtight to form, smooth, unabroken natural thickness is 5～15mm, actual compression thickness is 3～8mm, and square metre quality is at 400～1500g/m
2fire-proof heat-insulating compound fabric, comprise that at this fire-proof heat-insulating compound fabric all each layer except lining meshi fabric 32 and fire-retardant comfort liner 4 forms the passage 5 that multiple development dispels the heat.
More preferably, the natural thickness≤14mm of phase transformation limit temperature layer 2 and interval composite membrane heat insulation layer 3 sums, square metre quality≤1100g/m
2.
Following specific embodiment 1～4th, selects different metal formings, fibrous material, phase transformation powder, plating high-polymer membrane material, lining meshi fabric, flame-retardant textile, different natural thickness, compression thickness, square metre quality, the fire-proof heat-insulating compound fabric of actual preparation multiple development heat radiation of the present invention, and to gained compound fabric, the inner side under the different scene of a fire and hot conditions is that reverse side limits maximum temperature and lasting maximum duration is surveyed, and refers to following table.Meanwhile, the compound fabric standing after flame and high temperature action is done ocular estimate and repeated for the second time measurement and the ocular estimate tested, the results detailed in following table and following statement.
Embodiment 1
Adopt multiple development of the present invention heat radiation fire-proof heat-insulating compound fabric four-layer structure and as the material of following table, and adopt the prepared fire-proof heat-insulating compound fabric of preparation method of the present invention, be placed under 800 DEG C of scene of a fire conditions, the inner side of actual measurement be reverse side limit maximum temperature and lasting maximum duration as shown in following table embodiment 1 hurdle.Actual visual observations, surface is excellent, rubs and bends without obvious brittle point or crackle.After cooling, again put into same scene of a fire condition, shown in restriction maximum temperature when the processing for the second time of gained and lasting maximum duration thereof see the following form, illustrate unchanged; And actual measurement is observed again, this compound fabric surface is excellent, rubs and bend obviously brittle point or crackle of nothing.Prove thus this compound fabric fire-proof heat-insulating stable performance, can repeatedly use.If the flame of 800 DEG C is concentrated within the scope of this compound center 2cm that knits sample, the duration of 50 DEG C of the restriction that reverse side central point reaches can reach 12.5min, has relatively improved 21.36%, illustrates that thermal diffusion heat dissipation and effect of heat insulation are obvious.
Embodiment 2
Adopt multiple development of the present invention heat radiation fire-proof heat-insulating compound fabric four-layer structure and as the material of following table, and adopt the prepared fire-proof heat-insulating compound fabric of preparation method of the present invention, be placed under 1000 DEG C of scene of a fire conditions, the inner side of actual measurement be reverse side limit maximum temperature and lasting maximum duration as shown in following table embodiment 2 hurdles.Actual visual observations, surface is excellent, rubs and bends without obvious brittle point or crackle.After cooling, again put into same scene of a fire condition, shown in restriction maximum temperature when the processing for the second time of gained and lasting maximum duration thereof see the following form, illustrate unchangedly, lasting maximum duration is also slightly increase, is due to the bulking of material; And actual measurement is observed again, this compound fabric surface is excellent, rubs and bend obviously brittle point or crackle of nothing.Prove thus this compound fabric fire-proof heat-insulating stable performance, can repeatedly use.If the flame of 1000 DEG C is concentrated within the scope of this compound center 2cm that knits sample, the duration of 45 DEG C of the restriction that reverse side central point reaches can reach 13.6min, has relatively improved 24.77%, illustrates that thermal diffusion heat dissipation and effect of heat insulation are obvious.
Embodiment 3
Adopt multiple development of the present invention heat radiation fire-proof heat-insulating compound fabric four-layer structure and as the material of following table, and adopt the prepared fire-proof heat-insulating compound fabric of preparation method of the present invention, be placed under 600 DEG C of scene of a fire conditions, the inner side of actual measurement be reverse side limit maximum temperature and lasting maximum duration as shown in following table embodiment 3 hurdles.Actual visual observations, surface is excellent, rubs and bends without obvious brittle point or crackle.After cooling, again put into same scene of a fire condition, shown in restriction maximum temperature when the processing for the second time of gained and lasting maximum duration thereof see the following form, illustrate unchangedly, lasting maximum duration is also slightly increase, is due to the bulking of material; And actual measurement is observed again, this compound fabric surface is excellent, rubs and bend obviously brittle point or crackle of nothing.Prove thus this compound fabric fire-proof heat-insulating stable performance, can repeatedly use.If the flame of 600 DEG C is concentrated within the scope of this compound center 2cm that knits sample, the duration of 50 DEG C of the restriction that reverse side central point reaches can reach 9.9min, has relatively improved 23.75%, illustrates that thermal diffusion heat dissipation and effect of heat insulation are obvious.
Embodiment 4
Adopt multiple development of the present invention heat radiation fire-proof heat-insulating compound fabric four-layer structure and as the material of following table, and adopt the prepared fire-proof heat-insulating compound fabric of preparation method of the present invention, be placed under 1000 DEG C of scene of a fire conditions, actual measurement inner side be reverse side limit maximum temperature and lasting maximum duration as shown in following table embodiment 4 hurdles, being fire-proof heat-insulating index optimum in four kinds of samples, is mainly that the number of plies of phase transformation limit temperature layer phase transformation amount of powder and interval composite membrane thermal insulation layer is selected proper.Actual visual observations, surface is excellent, rubs and bends without obvious brittle point or crackle.After cooling, again put into same scene of a fire condition, shown in restriction maximum temperature when the processing for the second time of gained and lasting maximum duration thereof see the following form, illustrate unchangedly, lasting maximum duration is also slightly increase, is due to the bulking of material; And actual measurement is observed again, this compound fabric surface is excellent, rubs and bend obviously brittle point or crackle of nothing.Prove thus this compound fabric fire-proof heat-insulating stable performance, can repeatedly use.If the flame of 1000 DEG C is concentrated within the scope of this compound center 2cm that knits sample, the duration of 45 DEG C of the restriction that reverse side central point reaches can reach 15.3min, has relatively improved 26.44%, illustrates that thermal diffusion heat dissipation and effect of heat insulation are obvious.
Formation, structural parameters and the measured result of the fire-proof heat-insulating compound fabric of multiple development heat radiation
Claims (8)
1. the fire-proof heat-insulating compound fabric of a multiple development heat radiation, it is characterized in that: by there is high reflectance and strengthen heat sinking function metal forming reflecting layer (1), there is the high phase transformation limit temperature layer (2) of inhaling power consumption and the uniform function of heat conduction, there is reflection, completely cut off and the interval composite membrane heat insulation layer (3) of uniform heat function and there is low thermal contact conductance and the fire-retardant comfort liner of fire-retardant and comfortable function (4) is arranged in order formation, wherein, metal forming reflecting layer (1) is positive, towards flame or high temperature source, fire-retardant comfort liner (4) is reverse side, towards human body;
Described metal forming reflecting layer (1) is by being positioned at the metal forming (11) on outermost top layer and being positioned at bonding being composited of the thread enhancing base cloth of the high temperature resistant yarn with metallic fiber (13) (12) of sublevel;
Described phase transformation limit temperature layer (2), by being mixed with the high-temperature fibre felt (21) of broken-staple metal fibre (23) and forming with leakproof base cloth (24) Compound Machining of wire (25), sticks in high-temperature fibre felt (21) at 200～400 DEG C of phase transformation powder (22) that solid-liquid phase change can occur;
Described interval composite membrane heat insulation layer (3) is sewed up fixing with described fire-retardant comfort liner (4) mutually, described interval composite membrane heat insulation layer (3) is by laminated the forming of 4 ~ 20 layers of plating high polymer complex film (31), at the intermembranous laminated lining meshi fabric (32) of adjacent two layers plating high polymer complex film (31).
2. the fire-proof heat-insulating compound fabric of a kind of multiple development heat radiation as claimed in claim 1, is characterized in that:
Metal forming (11) for thickness be pure aluminum foil or the alloy foil of 5～10 μ m;
High temperature resistant yarn is to be formed by glass fibre or basalt fibre and metallic fiber (13) composite spinning, metallic fiber (13) is stainless steel fibre or copper fiber, metallic fiber (13) is 1 ~ 10% with the compound ratio of glass fibre or basalt fibre, yarn is strengthened and make rapidly diffusion and uniform of heat.
3. the fire-proof heat-insulating compound fabric of a kind of multiple development heat radiation as claimed in claim 1, is characterized in that:
High-temperature fibre felt (21) is glass mat or basalt fibre felt;
Broken-staple metal fibre (23) is stainless steel short fiber or copper short fiber, to increase the rapid diffusion of heat and to be distributed in phase transformation heat dissipation in high-temperature fibre felt (21), concentrates or hot-spot and reduce heat;
Wire (25) is stainless steel wire or copper wire, to strengthen diffusion and the uniform dissipation of leakproof base cloth (24) and increase after-heat;
Leakproof base cloth (24) is that the composite yarn of resistant to elevated temperatures basalt fibre or glass fibre and wire (25) is made woven fabric, for preventing the leakage of phase transformation powder (22) in processing and use.
4. the fire-proof heat-insulating compound fabric of a kind of multiple development heat radiation as claimed in claim 1, is characterized in that:
Plating high polymer complex film (31) is the aluminizing of terylene, polyimides or polyamide fibre high polymer base, alloy plating or gold-plated film;
Lining meshi fabric (32) is the gridding lightweight reticulated that adopts weaving method to be shaped by terylene, polyamide fibre or aramid filament.
5. the fire-proof heat-insulating compound fabric of a kind of multiple development heat radiation as claimed in claim 1, is characterized in that: described fire-retardant comfort liner (4) is the one in flame-proof cotton fabric, flame-resistant terylene fabric or Nomex fabric.
6. the preparation method of the fire-proof heat-insulating compound fabric of a multiple development heat radiation as claimed in claim 1, it is characterized in that, step is: by the fire-proof heat-insulating compound fabric of multiple development as claimed in claim 1 heat radiation except the metal forming (11) of metal forming reflecting layer (1) Manufactured each layer or organize composite bed and sew up in advance and fix after, again by even with high temperature resistant binder metal forming (11), point bonding is in front, airtight to form, smooth, unabroken natural thickness is 5～15mm, actual compression thickness is 3～8mm, square metre quality is at 400～1500g/m
2fire-proof heat-insulating compound fabric, comprise except lining meshi fabric (32) and all each layer of passage (5) that formation multiple development dispels the heat of fire-retardant comfort liner (4) at this fire-proof heat-insulating compound fabric.
7. the preparation method of the fire-proof heat-insulating compound fabric of a kind of described multiple development heat radiation as claimed in claim 6, it is characterized in that: the natural thickness≤14mm of described phase transformation limit temperature layer (2) and described interval composite membrane heat insulation layer (3) sum, square metre quality≤1100 g/m
2.
8. a purposes for the fire-proof heat-insulating compound fabric of multiple development as claimed in claim 1 heat radiation, is characterized in that: be applicable to the heat insulation protective materials used safely under 500～1000 DEG C of high temperature heat-flash filariasis field environmental conditions.
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| CN201210293207.3A CN102783741B (en) | 2012-08-16 | 2012-08-16 | Multistage-spreading heat-dissipation fire-proof heat-insulation composite fabric, preparation method and application |
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| CN201210293207.3A CN102783741B (en) | 2012-08-16 | 2012-08-16 | Multistage-spreading heat-dissipation fire-proof heat-insulation composite fabric, preparation method and application |
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| CN102783741A CN102783741A (en) | 2012-11-21 |
| CN102783741B true CN102783741B (en) | 2014-10-15 |
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