CN102785424B - Intelligent flameproof fabric capable of realizing step-by-step phase-change heat consumption and metal enhanced heat dissipation and preparation technology - Google Patents
Intelligent flameproof fabric capable of realizing step-by-step phase-change heat consumption and metal enhanced heat dissipation and preparation technology Download PDFInfo
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Abstract
The invention relates to an intelligent flameproof fabric capable of realizing step-by-step phase-change heat consumption and metal enhanced heat dissipation and a preparation technology of the intelligent flameproof fabric. The intelligent flameproof fabric consists of three to five phase-change composite layers with phase-change powder capable of exciting temperature from high to low, and an innermost flameproof comfortable layer, wherein the phase-change composite layers and the innermost flameproof comfortable layer are integrally sewn and bonded. When the front surface, i.e., the phase-change composite layer of the intelligent flameproof fabric is under the strong heat flow effect of an open fire, the back surface, i.e., the flameproof fabric of the intelligent flameproof fabric can be kept to be below 50DEG C close to safe temperature for human body skins, and the overall structural form and the mechanical property are stable. The natural thickness of the composite fabric is 5-15mm, the compact thickness of the composite fabric is 3-8mm and the weight per square meter of the composite fabric is 400-1500g/m<2>. The intelligent flameproof fabric is a fully-closed bonded and sewn flameproof heat-insulation fabric and can be used for individual protection and environmental heat insulation of high-temperature special occasions such as firefighting, military, exploration, safe escape and industry.
Description
Technical field
The present invention relates to a kind of human body or the heat insulation frivolous flexible intelligent composite technology with protecting of environment temperature, particularly relate to intelligent fire-proofing fabric and preparation technology thereof that a kind of heat dissipation of phase transformation step by step and Reinforced by Metal dispel the heat, this intelligent fire-proofing fabric be applicable to the physical protection of the special occasions such as fire-fighting, military affairs, exploration, industry and environment heat insulation.
Background technology
The high temperature particular surroundings such as the scene of a fire (exploration, naked light construction at high temperature, war) are the environment of more complicated, and heat by conduction, advection heat and radiant heat three kinds of heat transfer types are also deposited.Show the measuring study of fire field environment, in the hot-fluid of the scene of a fire, radiant heat plays leading role, and the ratio shared by it is 50 ~ 60%, and the advection heat proportion in hot-fluid is still less than 30%.Radiant heat is propagated in the form of an electromagnetic wave, and under the high temperature heat-flash environment of the scene of a fire, radiation heat flux can easily exceed the ability to bear of Human Physiology normal equilibrium process, causes human body skin to burn even dead.So fire-proof heat-insulating kind fabric or clothes are emphasis and the hot issue of research all the time.
Due to Human body package in the scene of a fire high temperature heat-flash stream environment time, the radiant heat of infiltration and the accumulation of the high temperature air of surrounding on internal layer dress materials, can cause in clothes and heat up, thus work affect fire fighter also may jeopardize personal safety.Therefore, fire-proof heat-insulating class clothes mainly reduce photothermal infiltration as far as possible, slow down heat transfer, clothes deep layer programming rate is slowed down, thus guarantees the personal safety of fire fighter when normally suing and labouring and putting out a fire.
Anti-naked light insulating fabric will use through the actual dress of human body due to it, so not only want lightweight, softness and without moving disorder, and itself want flame resistant to impact, high temperature resistant and there is excellent radiation proof heat leak performance, to realize efficiently completely cutting off and safe and effective protection to human body naked light burning things which may cause a fire disaster or intense radiation thermal source.
For various fire-proof heat-insulating class material, fabric or clothes, there are more research and patent in recent years.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 weaving machine ply ground fabric, wherein aluminium foil is 7 μm of thick rolling aluminum foils; This invention obtains good radiant heat launching effect, but due to the restriction of thickness and PET polyester film heat endurance, and its thermal protection effect in the naked light scene of a fire 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 μm; 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 very 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 aluminium foil layer with aramid fiber and antistatic cotton by the tissue layer of Ripstop rule blending woven; Thermal insulation layer adopts permanent fire retardant nonwoven fabric.Gloves reduce the danger contacted with thermal source, enhance the isolating and protecting to high temperature, but radiant heat barrier propterty is poor.
There is the heat insulating coat fabric (patent No. CN201020253770.4) of reflecting layer, radiating layer multiplet, obtained by Ji Bu and the heat-insulating slurry be coated on base cloth, wherein heat-insulating slurry is the double-layer structure of radiation function layer and the reflective functional layer containing hollow glass microballoon.Coated fabric can realize good fire-proof and thermal-insulation effect by the radiation function again by radiating layer after the reflection function in reflecting layer.
Thermal radiation resistance high-temperature resistant fabric (patent No. CN201020644530.7), to be resistant to elevated temperatures polyester metallized film overcoat, the thickness of 20-25 μm the be polyurethane adhesive adhesive layer of 2-6 μm that ecto-entad is respectively thickness and alumina silicate fibre layer are composited.This fabric, 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 radiation resistant flame-retardant protective clothing fabric (patent No. CN201010299299.7) is isolated fiber fabric layer, thermal radiation resistance overcoat, heat-proof combustion-resistant fiber fabric layer and thermal insulation layer by high temperature successively from outside to inside and is composited, but it is mainly for radiant heat and fire-retardant, and is difficult to use safely for a long time in the hot environment of the scene of a fire.Anti-photothermal radiation nanocomposite fabric coating material (patent No. CN200910181069.8), ceramic photothermal reflectance layer can be formed at fabric face by special process, nano-titanium compound reflecting layer and stabilized zone, play and reflect near infrared ray and visible ray.Test result shows that composite Nano fabric coating heat reflective radiation can reach more than 81%.
Fire-entry suit is with fire-retardant phase transformation thermal insulation layer fabric (patent No. CN201010233816.0), be by by the aramid fiber 1313 of 50 ~ 90%, the carbon fiber of 5 ~ 20% and 0 ~ 30% the nonwoven felt that combines of FRC immerse obtained fire-retardant phase transformation and fire in microcapsules working solution, be prepared from through two leaching two roll process processing.Though gained fabric has fire-retardant and temperature adjusting performance preferably, the restriction due to phase-change microcapsule is difficult to use under high temperature fire field environment.
Heat insulating compound film (patent No. 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.
Heat insulation soft thin composite fabric (patent No. CN200410066650.2) is 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 compound fabric of the present invention is at 3 ~ 12mm, and weight per square meter, at 150 ~ 550g/m2, 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 the high-temperature stability of Polymers aluminium film used is very poor.
Though Thermal Protective Fabric or clothes have certain fire-proof heat-insulating effect obtained by above patented technology, but in actual high temperature strong radiation environment, human body still can be caused in very short time burn to occur or burns, and its essence is heat insulating properties and the durability deficiency of scene of a fire intense radiation hot-fluid environment faced by textile material.
Summary of the invention
An object of the present invention is to provide a kind of there is better heat insulating properties and high temperature durability the heat dissipation of phase transformation step by step and the intelligent fire-proofing fabric that dispels the heat of Reinforced by Metal.Another object of the present invention is to provide a kind of preparation technology of above-mentioned intelligent fire-proofing fabric.
In order to achieve the above object, principle of the present invention is containing high reverse--bias performance metal forming, with high-temperature fibre base cloth wiry, containing high the phase transformation composite bed of non-woven composite felt and the compound of the fire-retardant comfort liner of internal layer of inhaling power consumption phase-change material by multistage, under realizing high temp fire field condition, the efficient conduction of fabric to infiltration intense radiation heat and heat by conduction dissipates and completely cuts off, and protects the safe and intelligent of human body.The gentle enhancing of decalescence dissipation limit realizing heat to external world with phase transformation composite bed at different levels is dispelled the heat, comfortable and easy to wear with internal layer fire-retardant comfort fabrics guarantee human body; Wherein, highly reflective metal forming in phase transformation composite bed realizes good reflection to scene of a fire intense radiation heat, realize the enhancing in outer metal forming reflecting layer with high-temperature fibre base cloth wiry and stablize smooth and heat conduction diffusion, the non-woven felt containing phase-change material being mixed with broken-staple metal fibre realizes dissipating to the high-selenium corn of fabric heat and uniform.By above 3 ~ 5 grades with the phase transformation composite bed of the phase transformation powder of excitation temperature from high to low, add the flame-retardant textile of innermost layer, to sew up through entirety and bonding forms the intelligent fire-proofing fabric system that phase transformation heat dissipation and Reinforced by Metal step by step dispel the heat.Intelligent fire-proofing fabric has lightweight, flexibility, intelligence, efficient and flame resistant impact property, high-temperature thermal stability performance and radiation proof heat leak function admirable, the feature such as reusable.
A concrete technical scheme of the present invention there is provided the intelligent fire-proofing fabric that a kind of heat dissipation of phase transformation step by step and Reinforced by Metal dispel the heat, it is characterized in that: comprise the phase transformation composite bed of n layer with different excitation temperature phase transformation powder, n=3, 4 or 5, phase transformation composite bed is extremely stacked gradually towards the n-th phase transformation composite bed with lowest excited phase transition temperature powder of human body by the first phase transformation composite bed with the highest excitation temperature phase transformation powder towards flame or high temperature source and sews up or be bonded, n-th phase transformation composite bed is sewed up or bonds the fire-retardant comfort liner being positioned at (n+1)th layer, the outer surface of fire-retardant comfort liner and human contact.
Preferably, described first phase transformation composite bed to described n-th phase transformation composite bed structure and form all identical, comprise towards flame or high temperature source metal forming, with the adjacent metal forming of high temperature resistant yarn wiry thread enhancing base cloth, be mixed with broken-staple metal fibre high-temperature fibre felt with strengthen base cloth and sew up and stick to the phase transformation powder that solid-liquid phase change can occur in excitation temperature in high-temperature fibre felt mutually.
Preferably, described metal forming to be thickness be pure aluminum foil or the alloy foil of 5 ~ 10 μm; Described high temperature resistant yarn is formed by glass fibre or basalt fibre and described metal wire combined spinning; Described wire to be diameter the be metal filament of 10 ~ 50 μm; Described wire is 1 ~ 10% with the compound ratio of described high temperature resistant yarn, to strengthen described high temperature resistant yarn and to make heat spread rapidly with uniform.
Preferably, described metal filament is the one in stainless steel filament, copper long filament, steel long filament or aluminium long filament.
Preferably, described high-temperature fibre felt refers to glass mat or basalt fibre felt; Described broken-staple metal fibre is the one in stainless steel metal short fiber, copper broken-staple metal fibre, aluminum metal short fiber or steel short fiber, to increase the rapid diffusion of heat in high-temperature fibre felt and uniform, realize effective phase transformation heat dissipation, thus minimizing heat is concentrated or hot-spot.
Preferably, described fire-retardant comfort liner is the one in flame-proof cotton fabric, flame retardant polyester fabric or Nomex fabric.
Another technical scheme of the present invention there is provided the preparation technology of the intelligent fire-proofing fabric that a kind of above-mentioned heat dissipation of phase transformation step by step and Reinforced by Metal dispel the heat, and it is characterized in that, step is:
The first step, by even for the metal forming high temperature resistant binder of the high-temperature fibre felt with phase transformation powder of the i-th phase transformation composite bed and the i-th+1 phase transformation composite bed, point bonding is bonding, to prevent the phase transformation powder of the i-th phase transformation composite bed in processing and the leakage in using; The high-temperature fibre felt with phase transformation powder of the n-th phase transformation composite bed is sewed up mutually with the fire-retardant comfort liner being positioned at (n+1)th layer, to prevent the phase transformation powder of the n-th phase transformation composite bed in processing and the leakage in using;
Second step, by after all phase transformation composite beds except the metal forming except the first phase transformation composite bed and the stacked stitching of fire-retardant comfort liner, again by even for the metal forming high temperature resistant binder of the first phase transformation composite bed, point bonding is bonding, to form airtight, smooth, unabroken intelligent fire-proofing fabric.
Preferably, the natural thickness of obtained described intelligent fire-proofing fabric is 6 ~ 20mm, and actual compression thickness is 3 ~ 12mm, and square metre quality is at 500 ~ 1500g/m
2.
Preferably, the phase transformation excitation temperature of described phase transformation powder is at 50 ~ 600 DEG C, in this temperature range after the selected excitation temperature of phase transformation powder being positioned at the first phase transformation composite bed and being positioned at the n-th phase transformation composite bed, the excitation temperature of the phase transformation powder of central each phase transformation composite bed is selected according to equitemperature difference principle.
Another technical scheme of the present invention there is provided the application of the intelligent fire-proofing fabric that a kind of above-mentioned heat dissipation of phase transformation step by step and Reinforced by Metal dispel the heat, and it is characterized in that: for 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 and the application in function fabric, applicant has applied for Patents.Inhale in the electromagnetic shielding yarn of wave height bullet yarn and production equipment and production method (patent No. CN201110242760.X) and wire looping elastic filament and production equipment thereof and production method (patent No. CN201110242817.6) in one, all adopt ring spinning frame to obtain to have inhale ripple and electro-magnetic screen function by outer felt around cored structure yarn section and the composite yarn that forms of internal resilience silk, wherein cored structure yarn section by wire and spiral wound the short fiber yarn outside wire make.
The present invention is directed to the practical application request under the hot fire field environment of high temperature intense radiation (500 ~ 1000 DEG C), follow function sharing, step by step phase transformation limit temperature, strengthen the principle of heat radiation and high efficiency smart layer by layer, containing high reverse--bias performance metal forming, with high-temperature fibre base cloth wiry, containing high the phase transformation composite bed of non-woven composite felt and the compound of the fire-retardant comfort liner of internal layer of inhaling power consumption phase-change material, under realizing high temp fire field condition, fabric completely cuts off the efficient dissipation and intelligence of permeating radiant heat and heat by conduction, thus effectively ensures the human-body safety of wearer.
Compared with prior art, tool of the present invention has the following advantages:
1, intelligent fire-proofing fabric strengthens phase transformation heat dissipation and Reinforced by Metal heat sinking function step by step, phase-change material excitation temperature different and ingenious applied metal silk or short fiber in phase transformation composite bed at different levels, can realize heat dissipation step by step limits the diffusion of gentle heat uniform, effectively prevent overheated or heat and concentrates;
2, the function sharing of intelligent fire-proofing fabric limits gentle heat dissipation more rationally, step by step, and overall structure is more perfect, can strengthen, heat-resisting, heat radiation is integrated, and reaches efficient, intelligence, light structure thermal protection effect;
3, intelligent fire-proofing fabric shapes relatively convenient, and only need bond or sew up shaping, suitable application area is wide, can be used for the scene of a fire, battlefield etc. and to speedily carry out rescue work the clothes of life-saving environmental, also can be used for Aero-Space protective materials.
Accompanying drawing explanation
Fig. 1 is the layer structure schematic diagram of intelligent fire-proofing fabric that dispels the heat of phase transformation heat dissipation and Reinforced by Metal step by step.
In figure:
The thickness of 11-first phase transformation composite bed 1 is 5 ~ 10 μm of metal formings, and the thickness of n1-n-th phase transformation composite bed n is 5 ~ 10 μm of metal formings;
The high temperature resistant enhancing base cloth of 12-first phase transformation composite bed 1, the high temperature resistant enhancing base cloth of n2-n-th phase transformation composite bed n;
The diameter of 13-first phase transformation composite bed 1 is the wire of 10 ~ 50 μm, and the diameter of n3-n-th phase transformation composite bed n is the wire of 10 ~ 50 μm;
The high-temperature fibre non-woven felt of 14-first phase transformation composite bed 1, the high-temperature fibre non-woven felt of n4-n-th phase transformation composite bed n;
The broken-staple metal fibre of 15-first phase transformation composite bed 1, the broken-staple metal fibre of n5-n-th phase transformation composite bed n;
16-first phase transformation composite bed 1, the phase transformation powder of n6-n-th phase transformation composite bed n;
The fire-retardant comfort fabrics of n+1-;
The reinforcement of A-Reinforced by Metal heat radiation and heat dissipation channel.
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.
As shown in Figure 1, the intelligent fire-proofing fabric that a kind of heat dissipation of phase transformation step by step provided by the invention and Reinforced by Metal dispel the heat, it comprises the phase transformation composite bed of n layer with different excitation temperature phase transformation powder, n=3, 4 or 5, namely the excitation temperature of corresponding phase transformation powder is divided into 3 ~ 5 grades, phase transformation composite bed to be stacked gradually to the n-th phase transformation composite bed n with lowest excited phase transition temperature powder towards human body by the first phase transformation composite bed 1 with the highest excitation temperature phase transformation powder towards flame or high temperature source and sews up or be bonded, n-th phase transformation composite bed n sews up or bonds the fire-retardant comfort liner n+1 being positioned at (n+1)th layer, the outer surface of fire-retardant comfort liner and human contact.
First phase transformation composite bed 1 to described n-th phase transformation composite bed n structure and form all identical, comprise towards flame or high temperature source metal forming, with the adjacent metal forming of high temperature resistant yarn wiry thread enhancing base cloth, be mixed with broken-staple metal fibre high-temperature fibre felt with strengthen base cloth and sew up and stick to the phase transformation powder that solid-liquid phase change can occur in excitation temperature in high-temperature fibre felt mutually.The phase transformation excitation temperature of phase transformation powder is at 50 ~ 600 DEG C, in this temperature range after the selected excitation temperature of phase transformation powder being positioned at the first phase transformation composite bed 1 and being positioned at the n-th phase transformation composite bed, the excitation temperature of the phase transformation powder of central each phase transformation composite bed is selected according to equitemperature difference principle.
Metal forming to be thickness be pure aluminum foil or the alloy foil of 5 ~ 10 μm; Described high temperature resistant yarn is formed by glass fibre or basalt fibre and described metal wire combined spinning; Described wire to be diameter the be metal filament of 10 ~ 50 μm, metal filament is the one in stainless steel filament, copper long filament, steel long filament or aluminium long filament; Described wire is 1 ~ 10% with the compound ratio of described high temperature resistant yarn, to strengthen described high temperature resistant yarn and to make heat spread rapidly with uniform.
High-temperature fibre felt refers to glass mat or basalt fibre felt; Described broken-staple metal fibre is the one in stainless steel metal short fiber, copper broken-staple metal fibre, aluminum metal short fiber or steel short fiber, to increase the rapid diffusion of heat in high-temperature fibre felt and uniform, realize effective phase transformation heat dissipation, thus minimizing heat is concentrated or hot-spot.
Fire-retardant comfort liner n+1 is the one in flame-proof cotton fabric, flame retardant polyester fabric or Nomex fabric.
Present invention also offers the preparation technology of the intelligent fire-proofing fabric that a kind of above-mentioned heat dissipation of phase transformation step by step and Reinforced by Metal dispel the heat, the steps include:
The first step, by even for the metal forming high temperature resistant binder of the high-temperature fibre felt with phase transformation powder of the i-th phase transformation composite bed and the i-th+1 phase transformation composite bed, point bonding is bonding, to prevent the phase transformation powder of the i-th phase transformation composite bed in processing and the leakage in using; The high-temperature fibre felt with phase transformation powder of the n-th phase transformation composite bed is sewed up with the fire-retardant comfort liner n+1 phase being positioned at (n+1)th layer, to prevent the phase transformation powder of the n-th phase transformation composite bed in processing and the leakage in using;
Second step, by after all phase transformation composite beds except the metal forming except the first phase transformation composite bed 1 and the stacked stitching of fire-retardant comfort liner n+1, again by even for the metal forming high temperature resistant binder of the first phase transformation composite bed 1, point bonding is bonding, to form airtight, smooth, unabroken intelligent fire-proofing fabric.The natural thickness of obtained described intelligent fire-proofing fabric is 6 ~ 20mm, and actual compression thickness is 3 ~ 12mm, and square metre quality is at 500 ~ 1500g/m
2.
Following specific embodiment 1 ~ 3 adopts the actual intelligent fire-proofing fabric prepared the heat dissipation of phase transformation step by step of the present invention and Reinforced by Metal and dispel the heat of the compound of phase transformation composite bed not at the same level and the fire-retardant comfort liner of internal layer, wherein each phase transformation composite bed adopt metal forming, refractory fibrous material, wire or short fiber, phase transformation powder difference to some extent; And maximum temperature is limited to the inner side of gained intelligent fire-proofing under the different scenes of a fire and hot conditions and reverse side and lasting maximum duration is surveyed, refer to following table.Meanwhile, the intelligent fire-proofing after standing flame and high temperature action is done to measurement and the ocular estimate of ocular estimate and second time repeating test, the results detailed in following table and following statement.
Embodiment 1
The three grades of phase transformation lamination layer structures of intelligent fire-proofing fabric adopting the heat dissipation of phase transformation step by step of the present invention and Reinforced by Metal to dispel the heat and the material as following table, and adopt preparation method of the present invention to obtain intelligent fire-proofing fabric, under being placed on 900 DEG C of scene of a fire conditions, the maximum temperature that the inner side of actual measurement and reverse side limit and lasting maximum duration thereof are 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 the restriction maximum temperature during second time process of gained and lasting maximum duration thereof see the following form, illustrate unchanged, lasting maximum duration also slightly in increasing, be material bulking caused by; And again survey observation, this intelligent fire-proofing fabric face stands intact, and rubs and bends without obvious brittle point or crackle.Prove that this intelligent fire-proofing fabric fire heat-insulating property is stablized thus, can repeatedly use.
Embodiment 2
The level Four phase transformation lamination layer structure of intelligent fire-proofing fabric adopting the heat dissipation of phase transformation step by step of the present invention and Reinforced by Metal to dispel the heat and the material as following table, and adopt preparation method of the present invention to obtain intelligent fire-proofing fabric, under being placed on 1000 DEG C of scene of a fire conditions, the maximum temperature that the inner side of actual measurement and reverse side limit and lasting maximum duration thereof are as shown in following table embodiment 2 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 the restriction maximum temperature during second time process of gained and lasting maximum duration thereof see the following form, illustrate unchanged, lasting maximum duration also slightly in increasing, be material bulking caused by; And again survey observation, this intelligent fire-proofing fabric face stands intact, and rubs and bends without obvious brittle point or crackle.Prove that this intelligent fire-proofing fabric fire heat-insulating property is stablized thus, can repeatedly use.
Embodiment 3
The Pyatyi phase transformation lamination layer structure of intelligent fire-proofing fabric adopting the heat dissipation of phase transformation step by step of the present invention and Reinforced by Metal to dispel the heat and the material as following table, and adopt preparation method of the present invention to obtain intelligent fire-proofing fabric, under being placed on 1000 DEG C of scene of a fire conditions, the maximum temperature that the inner side of actual measurement and reverse side limit and lasting maximum duration thereof are as shown in following table embodiment 3 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 the restriction maximum temperature during second time process of gained and lasting maximum duration thereof see the following form, illustrate unchanged, lasting maximum duration also slightly in increasing, be material bulking caused by; And again survey observation, this intelligent fire-proofing fabric face stands intact, and rubs and bends without obvious brittle point or crackle.Prove that this intelligent fire-proofing fabric fire heat-insulating property is stablized thus, can repeatedly use.
The formation of the intelligent fire-proofing fabric that dispels the heat of phase transformation heat dissipation and Reinforced by Metal, structural parameters and measured result step by step
Claims (10)
1. the intelligent fire-proofing fabric that dispels the heat of phase transformation heat dissipation and Reinforced by Metal step by step, it is characterized in that: comprise the phase transformation composite bed of n layer with different excitation temperature phase transformation powder, n=3, 4 or 5, phase transformation composite bed is extremely stacked gradually towards n-th phase transformation composite bed (n) with lowest excited phase transition temperature powder of human body by the first phase transformation composite bed (1) with the highest excitation temperature phase transformation powder towards flame or high temperature source and sews up or be bonded, the fire-retardant comfort liner (n+1) of (n+1)th layer is positioned in the upper stitching of the n-th phase transformation composite bed (n) or bonding, the outer surface of fire-retardant comfort liner and human contact.
2. the intelligent fire-proofing fabric that dispels the heat of a kind of heat dissipation of phase transformation step by step and Reinforced by Metal as claimed in claim 1, it is characterized in that: described first phase transformation composite bed (1) to described n-th phase transformation composite bed (n) structure and form all identical, comprise towards flame or high temperature source metal forming, with the adjacent metal forming of high temperature resistant yarn wiry thread enhancing base cloth, be mixed with broken-staple metal fibre high-temperature fibre felt with strengthen base cloth and sew up and stick to the phase transformation powder that solid-liquid phase change can occur in excitation temperature in high-temperature fibre felt mutually.
3. the intelligent fire-proofing fabric that dispels the heat of a kind of heat dissipation of phase transformation step by step and Reinforced by Metal as claimed in claim 2, is characterized in that: described metal forming to be thickness be pure aluminum foil or the alloy foil of 5 ~ 10 μm; Described high temperature resistant yarn is formed by glass fibre or basalt fibre and described metal wire combined spinning; Described wire to be diameter the be metal filament of 10 ~ 50 μm; Described wire is 1 ~ 10% with the compound ratio of described high temperature resistant yarn, to strengthen described high temperature resistant yarn and to make heat spread rapidly with uniform.
4. the intelligent fire-proofing fabric that dispels the heat of a kind of heat dissipation of phase transformation step by step and Reinforced by Metal as claimed in claim 3, is characterized in that: described metal filament is the one in stainless steel filament, copper long filament, steel long filament or aluminium long filament.
5. the intelligent fire-proofing fabric that dispels the heat of a kind of heat dissipation of phase transformation step by step and Reinforced by Metal as claimed in claim 2, is characterized in that: described high-temperature fibre felt refers to glass mat or basalt fibre felt; Described broken-staple metal fibre is the one in stainless steel metal short fiber, copper broken-staple metal fibre, aluminum metal short fiber or steel short fiber, to increase the rapid diffusion of heat in high-temperature fibre felt and uniform, realize effective phase transformation heat dissipation, thus minimizing heat is concentrated or hot-spot.
6. the intelligent fire-proofing fabric that dispels the heat of a kind of heat dissipation of phase transformation step by step and Reinforced by Metal as claimed in claim 1, is characterized in that: described fire-retardant comfort liner (n+1) is flame-proof cotton fabric, one in flame retardant polyester fabric or Nomex fabric.
7. as claimed in claim 1 phase transformation heat dissipation and the Reinforced by Metal step by step preparation technology of intelligent fire-proofing fabric of dispelling the heat, it is characterized in that, step is:
The first step, by even for the metal forming high temperature resistant binder of the high-temperature fibre felt with phase transformation powder of the i-th phase transformation composite bed and the i-th+1 phase transformation composite bed, point bonding is bonding, to prevent the phase transformation powder of the i-th phase transformation composite bed in processing and the leakage in using; The high-temperature fibre felt with phase transformation powder of the n-th phase transformation composite bed is sewed up mutually with the fire-retardant comfort liner (n+1) being positioned at (n+1)th layer, to prevent the phase transformation powder of the n-th phase transformation composite bed in processing and the leakage in using;
Second step, by after all phase transformation composite beds except the metal forming of the first phase transformation composite bed (1) and fire-retardant comfort liner (n+1) stacked stitching, again by even for the metal forming high temperature resistant binder of the first phase transformation composite bed (1), point bonding is bonding, to form airtight, smooth, unabroken intelligent fire-proofing fabric.
8. a kind of heat dissipation of phase transformation step by step and the Reinforced by Metal preparation technology of intelligent fire-proofing fabric of dispelling the heat as claimed in claim 7, it is characterized in that: the natural thickness of obtained described intelligent fire-proofing fabric is 6 ~ 20mm, actual compression thickness is 3 ~ 12mm, and square metre quality is at 500 ~ 1500g/m
2.
9. a kind of heat dissipation of phase transformation step by step and the Reinforced by Metal preparation technology of intelligent fire-proofing fabric of dispelling the heat as claimed in claim 7, it is characterized in that: the phase transformation excitation temperature of described phase transformation powder is at 50 ~ 600 DEG C, in this temperature range after the selected excitation temperature of phase transformation powder being positioned at the first phase transformation composite bed (1) and being positioned at the n-th phase transformation composite bed, the excitation temperature of the phase transformation powder of central each phase transformation composite bed is selected according to equitemperature difference principle.
10. as claimed in claim 1 phase transformation heat dissipation and the Reinforced by Metal step by step application of intelligent fire-proofing fabric of dispelling the heat, is characterized in that: for 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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210293407.9A CN102785424B (en) | 2012-08-16 | 2012-08-16 | Intelligent flameproof fabric capable of realizing step-by-step phase-change heat consumption and metal enhanced heat dissipation and preparation technology |
Applications Claiming Priority (1)
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| CN1812943A (en) * | 2003-06-06 | 2006-08-02 | 豪富公司 | Multi-layer fire barrier systems |
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| 《柔性防火绝热材料及结构的研究进展》;郝立才等;《产业用纺织品》;20091231;第9栏倒数第4行至倒数第1行和第6栏第32行至第38行 * |
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