CN102427617B - Unidirectional heat transfer flame retardation PTC macromolecule self-limiting temperature electrothermal film and preparation method thereof - Google Patents
Unidirectional heat transfer flame retardation PTC macromolecule self-limiting temperature electrothermal film and preparation method thereof Download PDFInfo
- Publication number
- CN102427617B CN102427617B CN 201110258735 CN201110258735A CN102427617B CN 102427617 B CN102427617 B CN 102427617B CN 201110258735 CN201110258735 CN 201110258735 CN 201110258735 A CN201110258735 A CN 201110258735A CN 102427617 B CN102427617 B CN 102427617B
- Authority
- CN
- China
- Prior art keywords
- weight portion
- retardant
- insulating barrier
- ptc
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The invention discloses a unidirectional heat transfer flame retardation PTC macromolecule self-limiting temperature electrothermal film. The electrothermal film comprises: a reflecting layer, a first insulating layer, a macromolecule PTC conductive woven layer, a second insulating layer and a fire-retardant layer, wherein the reflecting layer, the first insulating layer, the macromolecule PTC conductive woven layer, the second insulating layer and the fire-retardant layer are successively arranged from bottom to top. The macromolecule PTC conductive woven layer comprises: a woven bottom layer, a carbon black filling type polyvinyl PTC conductive fiber and a current-carrying strip. Raw materials of the carbon black filling type polyvinyl PTC conductive fiber comprise: polyethylene, an ethylene-vinyl acetate copolymer, carbon black and the like. A foaming flame retardation insulating layer is arranged under the reflecting layer. The electrothermal film of the invention possesses advantages of unidirectional heat transmission and the flame retardation. Usage performance is stable and a service life is long. In a preparation method of the invention, a three-roller calender is used to perform calendaring and combining, water cooling and rolling the each forming layer so as to obtain the electrothermal film. The method and a technological process are simple. Costs are low and the method is easy to realize.
Description
Technical field
The invention belongs to the thermo electric material preparing technical field, be specifically related to the fire-retardant PTC macromolecule of a kind of unidirectional heat transfer from limitting warm Electric radiant Heating Film and preparation method thereof.
Background technology
Planar electrothermal heating product mainly is made of semiconductor heater, current-carrying bar, insulating material.The main product of low-temp radiating electrothermal membrane is to be made by the electrically conductive ink current-carrying bar, the silver powder coating busbar that are clipped in the parallel connection between insulation polyester (PET) film, and Electric radiant Heating Film is communicated with power supply through lead, and electric energy is converted into heat energy.The triumphant happy Rake of U.S. Calorique() Electric radiant Heating Film contains two-layer insulation polyester film, and the middle line of ink marker is electrically conductive ink, thick about 0.2mm～0.3mm.Chinese patent application 99111331.4(publication number is CN1255037, be 2000.05.31 in open day) a kind of " low-temp radiating electrothermal membrane " disclosed, Chinese patent application 200610010213.8(publication number is CN1874619, be 2006.12.06 in open day) a kind of " electric heating ground film " disclosed, Chinese patent application 92106555.8(publication number is CN1080109, open day is 1993.12.29) " a kind of complex electrocaloric film " disclosed, Chinese patent application 91112670.8(publication number is CN1074074, and open day is 1993.07.07) " a kind of novel electric heating film " disclosed.Low-temp radiating electrothermal membrane adopts silk screen print method that electrically conductive ink is transferred on the stock by half tone more.Chinese patent application 03110936.5(publication number is CN1440219, open day is 2003.09.03) " a kind of Electric radiant Heating Film manufacture method " disclosed, adopt the intaglio printing technology that electrically conductive ink is printed on the bus that formation is arranged in parallel on the PET basement membrane, the bus two ends are connected and compound busbar by printing ink, cover another basement membrane on the Electric radiant Heating Film.Chinese patent application 200710036025.7(publication number is CN101148939, open day is 2008.03.26) " a kind of electric heating floor " disclosed, adopt silk screen printing technology printing coatings electric membranous layer on substrate, the Electric radiant Heating Film upper strata is provided with insulating barrier, can long-term safety use under 36 ~ 220V voltage.Chinese patent application 201010562200.8(publication number is CN102083246A, open day is 2011.06.01) " a kind of far-infrared electrothermal film " disclosed, conductive silver paste bar, the orthogonal thereto arrangement of conductive carbon paste bar, place in the middle of the two-layer insulation film, electric conversion rate reaches 98%, and heating temp is no more than 80 ℃.Chinese patent application 03146405.X(publication number is CN1571588, and open day is 2005.01.26) " unidirectional heat radiating electrothermal membrane " disclosed, adopt the orienting reflex functional membrane to make heat energy only to single side radiation.Chinese patent application 200910010841.X(publication number is CN101534582, and open day is 2005.01.26) " far-infrared electrothermal film blanket " disclosed, contain printing ink (carbon element) Electric radiant Heating Film, leather layer, protective layer, heat-insulation layer, watertight composition, transducer etc.Chinese patent application 201110062060.2(publication number is CN102128467A; be 2011.07.20 in open day), the 201110060629.1(publication number is CN102131317A; open day be 2011.07.20) " electric heating ground film heating plant ", " anticreep and anti-electromagnetic radiation electric heating ground film and preparation method thereof " disclosed respectively; even printing-ink bus on the polyester film, both sides, outside are laid conductive aluminum foil band, PE big envelope, PVC successively and are protected big envelope.
Other technology of making low-temp radiating electrothermal membrane comprises spraying process, gluing method, infusion process, stamped method etc.Chinese patent application 01128297.5(publication number is CN1413064, being 2003.04.23 in open day) " a kind of manufacture method of nano electroheating film and the heating panel made from nano electroheating film ", Chinese patent application 200910106860.2(publication number be CN101541110, open day is 2009.09.23) " manufacture method of nano electroheating membrane material and nano electroheating device ", all conductive coating spray forms Electric radiant Heating Film on substrate.Chinese patent application 200710047983.4(publication number is CN101431837, being 2009.05.13 in open day) " a kind of far-infrared flexible electric heating material and preparation method thereof and use ", Chinese patent application 90106391.6(publication number be CN1060325, open day is 1992.04.15) " energy-saving electrothermal membrane snow melter and method for making and purposes ", all with on the coated basement membrane of electrically-conducting paint (polyester film, adhesive plaster etc.), install electrode in parallel, power line after the drying additional.Chinese patent application 99117279.5(publication number is CN1258186; being 2000.06.28 in open day) " a kind of manufacture method of heating element of flexible electrothermal membrane ", Chinese patent application 200810118187.X(publication number be CN101346017; open day is 2009.01.14) " polymer electric heating membrane and application thereof "; then at the default electrode of flexible macromolecule membrane surface; again electrically-conducting paint evenly is coated in substrate surface and forms Electric radiant Heating Film, fixed insulation protective layer on it.Chinese patent application 89107751.0(publication number is CN1051059, and open day is 1991.05.01) " a kind of transparent semiconductor electric heating film " disclosed, with SbCl
3, CdCl
2Doping SnO
2Semiconductor layer is binding agent with butyl carbitol acetate, polyisobutene, cyclohexanone, is primary solvent with the absolute ethyl alcohol, adopts dip-coating and stoving process to form semiconductor film membranous type Electric radiant Heating Film at backing material.Chinese patent application 200810036591.2(publication number is CN101568201, open day is 2009.10.28) " double-guide heating element " disclosed, its electric heating piece comprises that insulated substrate (polyester film or refreshing wood glue plank), two are stamped in the lip-deep low temperature irradiation Electric radiant Heating Film of insulated substrate (electrically conductive ink, carbon wafer or carbon fibre), two Electric radiant Heating Film stagger at interval, electrode is in alignment with each other, and can eliminate electromagnetic wave effectively.
The carbon element facial heating sheet is another kind of main flow low-temp radiating electrothermal membrane.The heating main body of the farsighted hard Heating ground heating system of Korea S HALLA Co., Ltd. is the embedded planar heat producing body of nano carbon and nonwoven fabrics, and totally 11 layers of gross thickness 0.7mm have the intelligent temperature control function, and self temperature is no more than 60 ° of C.Chinese patent application 201110059086.1(publication number is CN102123529A, be 2011.07.13 in open day) " a kind of novel carbon fiber complex electrocaloric film and preparation method thereof ", Chinese patent application 00121583.3(publication number be CN1338885, was 2002.03.06 in open day) " low-temp radiating electrothermal carbon fibre membrane and preparation method thereof " disclosed Electric radiant Heating Film contains the netted braid of conductive carbon fibre, two ends metal electrode, is insulated the heat-conducting plastic film.Chinese patent application 200710006388.6(publication number is CN101237723, open day be 2008.08.06) " Electric radiant Heating Film reaches with its prepared Electric radiant Heating Film and electric calorifie installation with constituent " disclosed, electrically-conducting paint is coated on the network-like fiber material (as carbon fiber paper, metal fibre paper, metallized fibre paper), and hot curing obtains the Electric radiant Heating Film of the female resistance value in 10 ~ 1200 Europe.Chinese patent application 200310107851.8(publication number is CN1606384, be 2005.04.13 in open day) " folding change polytetrafluoroethylene Electric radiant Heating Film and preparation method thereof " disclosed, to conduct electricity the mixing of polyflon dispersion liquid, granulation, drying, add extrusion aid, be shaped to round strip with the pushing machine, be compressed to fibrous film with calender, except being sintered to soft tough fibrous Electric radiant Heating Film behind the extrusion aid.
Has resistance positive temperature coefficient (positive temperature coefficient, PTC) the inorganic or organic material of effect can be used for making from temperature control type intelligence Electric radiant Heating Film, the PTC function can prevent that local anomaly is overheated, controls electric current automatically with variation of temperature, effectively controls power consumption.The permanent PTC of the thermo electric material Science and Technology Ltd. Electric radiant Heating Film far away of commercially produced product such as Korea S DYMSCO (prosperous greatly) PTC infrared electric heating film, Shandong is translucent polyester film and electrically conductive ink low temperature adhesion and make.The fertile heating system intelligently of Zhejiang Huayuan Electric Heat Co., Ltd.'s match comprises the filled polyethylene that 1.2mm is thick, 34cm is wide (PE) type PTC semiconductor element, utilizes the thermistor characteristic to realize the active temperature control of Electric radiant Heating Film.Chinese patent application 90102752.9(publication number is CN1056393, be 1991.11.20 in open day) " the composite conductive polymer electric heating body with flexible and thermostatic characteristics " disclosed, employing contains the compound curable macromolecular material of 15-60% conductive filler and makes resistive layer, the two sides covers insulating barrier, and heater surface or inside add casing play.Chinese patent application 03814070.5(publication number is CN1663002, be 2005.08.31 in open day), the 200510134568.3(publication number is CN1790557, be 2006.06.21 in open day), the 200910003413.4(publication number is CN101521963, open day is 2009.09.02) " flexible PCT heater and manufacture method thereof " disclosed, substrate surface is provided with concavo-convex foamed resin or elastomeric material, adopts printing technology to form PTC resistance, electrode at flexible parent metal.Chinese patent application 200510045421.7(publication number is CN1791308, open day is 2006.06.21) " heating film manufacturing method and relevant heater thereof " disclosed, utilize the water-soluble metallized resistive ink above the insulating barrier or utilize auxiliary mould, after gold-plated or vacuum coating became electrode line, what do not form electrode layer toply became given shape or does not form the top coating film of electrode line with the PTC ink printing.
The manufacture craft of the planar heating film of tradition is to apply and silk screen printing on the insulating substrate surface.Because conductive film layer is different with the base material thermal coefficient of expansion, easily form bubble between heating repeatedly-cooling back conductive film layer and base material, cause conductive film layer to come off; Simultaneously, heating-cooling causes conductive film layer easily to produce fine crack repeatedly, makes resistance value in use increase gradually, and the electric thermal power decay is apparent in view.In addition, the Leakage Current of traditional planar heating film is bigger, is difficult for having potential safety hazard by existing earth leakage protective device.
Summary of the invention
The purpose of this invention is to provide the fire-retardant PTC macromolecule of a kind of unidirectional heat transfer from limitting warm Electric radiant Heating Film, have the advantage of heat unidirectional delivery, and fire resistance has been good, serviceability is stable, and is safe and reliable.
Another object of the present invention provides the fire-retardant PTC macromolecule of this unidirectional heat transfer from the preparation method who limits warm Electric radiant Heating Film.
The technical solution adopted in the present invention is that the fire-retardant PTC macromolecule of a kind of unidirectional heat transfer is characterized in that from limitting warm Electric radiant Heating Film, comprises the reflector, first insulating barrier, high molecular PTC conductive braid, second insulating barrier and the flame-retardant layer that set gradually from top to bottom;
Wherein, the high molecular PTC conductive braid comprises the braiding bottom that is formed by the braiding of yarn longitude and latitude, braiding bottom upper edge warp direction at interval and evenly inweave a plurality of carbon black filled type polyvinyl PTC conductive fibers, braiding bottom upper edge weft direction is at interval and parallelly inweave two current-carrying bars;
The raw material of carbon black filled type polyvinyl PTC conductive fiber is formed and is comprised polyvinyl resin 100 weight portions, ethylene-vinyl acetate copolymer 1～50 weight portion, carbon black 10～50 weight portions, carbon fiber 1～11 weight portion, nano-calcium carbonate 20～50 weight portions, calcium stearate 1～5 weight portion, dolomol 1～5 weight portion, cumyl peroxide 0.001～0.010 weight portion, vinyl three (2-methoxy ethoxy) silane 0.1～2.0 weight portion, DBSA 0.1～2.0 weight portion, salicylamide base phthalimide 1～10 weight portion.
The below in reflector also is provided with foaming anti-flaming thermal-insulation layer.
The braiding bottom is that 7～80,1～6 burst spun polyester thread braiding forms, and the density of terylene warp and terylene parallel is 16～24 every centimetre; The diameter of described carbon black filled type polyvinyl PTC conductive fiber is 0.5mm～1mm; Distance is 45mm～995mm between two current-carrying bars, and each current-carrying bar is the copper wire formation of 0.05mm～0.1mm by many diameters.
Foaming anti-flaming thermal-insulation layer is low foaming flame-proof polyethylene film, the reflector is composite aluminium-magnesium-silicate filled polyethylene melt extruded film or aluminium foil, first insulating barrier and second insulating barrier are polyethylene film or calcium carbonate-filled polyethylene film, and flame-retardant layer is the polyethylene film that contains six isopropoxy phosphonitriles, hydrated magnesium, pentaerythrite and melamine composite flame-retardant agent.
The width of this Electric radiant Heating Film is 50mm～1000mm, thickness is 2.8mm～13.2mm, wherein, the thickness of foaming anti-flaming thermal-insulation layer is 1mm～10mm, the thickness in reflector is 0.1mm～0.2mm, and the thickness of first insulating barrier is 0.1mm～0.5mm, and the thickness of high molecular PTC conductive braid is 0.5mm～1mm, the thickness of second insulating barrier is 0.1mm～0.5mm, and the thickness of flame-retardant layer is 1mm～2mm.
Another technical scheme of the present invention is, the fire-retardant PTC macromolecule of a kind of unidirectional heat transfer is from the preparation method who limits warm Electric radiant Heating Film, reflector, first insulating barrier, high molecular PTC conductive braid, second insulating barrier and flame-retardant layer that the employing tri-roll press machine will set gradually from top to bottom are under the temperature of 130 ° of C～220 ° C, roll compound, water-cooled, rolling, namely;
Wherein, the high molecular PTC conductive braid comprises the braiding bottom that is formed by the braiding of yarn longitude and latitude, braiding bottom upper edge warp direction at interval and evenly inweave a plurality of carbon black filled type polyvinyl PTC conductive fibers, braiding bottom upper edge weft direction is at interval and parallelly inweave two current-carrying bars;
The raw material of carbon black filled type polyvinyl PTC conductive fiber is formed and is comprised polyvinyl resin 100 weight portions, ethylene-vinyl acetate copolymer 1～50 weight portion, carbon black 10～50 weight portions, carbon fiber 1～11 weight portion, nano-calcium carbonate 20～50 weight portions, calcium stearate 1～5 weight portion, dolomol 1～5 weight portion, cumyl peroxide 0.001～0.010 weight portion, vinyl three (2-methoxy ethoxy) silane 0.1～2.0 weight portion, DBSA 0.1～2.0 weight portion, salicylamide base phthalimide 1～10 weight portion.
The reflector is composite aluminium-magnesium-silicate filled polyethylene melt extruded film or aluminium foil, first insulating barrier and second insulating barrier are polyethylene film or calcium carbonate-filled polyethylene film, and flame-retardant layer is the polyethylene film that contains six isopropoxy phosphonitriles, hydrated magnesium, pentaerythrite and melamine composite flame-retardant agent.
Another technical scheme of the present invention is, the fire-retardant PTC macromolecule of a kind of unidirectional heat transfer is from the preparation method who limits warm Electric radiant Heating Film, it is characterized in that, foaming anti-flaming thermal-insulation layer, reflector, first insulating barrier, high molecular PTC conductive braid, second insulating barrier and flame-retardant layer that the employing tri-roll press machine will set gradually from top to bottom are under the temperature of 130 ° of C～220 ° C, roll compound, water-cooled, rolling, namely;
Wherein, the high molecular PTC conductive braid comprises the braiding bottom that is formed by the braiding of yarn longitude and latitude, braiding bottom upper edge warp direction at interval and evenly inweave a plurality of carbon black filled type polyvinyl PTC conductive fibers, braiding bottom upper edge weft direction is at interval and parallelly inweave two current-carrying bars;
The raw material of carbon black filled type polyvinyl PTC conductive fiber is formed and is comprised polyvinyl resin 100 weight portions, ethylene-vinyl acetate copolymer 1～50 weight portion, carbon black 10～50 weight portions, carbon fiber 1～11 weight portion, nano-calcium carbonate 20～50 weight portions, calcium stearate 1～5 weight portion, dolomol 1～5 weight portion, cumyl peroxide 0.001～0.010 weight portion, vinyl three (2-methoxy ethoxy) silane 0.1～2.0 weight portion, DBSA 0.1～2.0 weight portion, salicylamide base phthalimide 1～10 weight portion.
Foaming anti-flaming thermal-insulation layer is low foaming flame-proof polyethylene film, the reflector is composite aluminium-magnesium-silicate filled polyethylene melt extruded film or aluminium foil, first insulating barrier and second insulating barrier are polyethylene film or calcium carbonate-filled polyethylene film, and flame-retardant layer is the polyethylene film that contains six isopropoxy phosphonitriles, hydrated magnesium, pentaerythrite and melamine composite flame-retardant agent.
The braiding bottom is that 7～80,1～6 burst spun polyester thread braiding forms, and the density of terylene warp and terylene parallel is 16～24 every centimetre; The diameter of carbon black filled type polyvinyl PTC conductive fiber is 0.5mm～1mm; Distance is 45mm～995mm between two current-carrying bars, and each current-carrying bar is the copper wire formation of 0.05mm～0.1mm by many diameters; The width of this Electric radiant Heating Film is 50mm～1000mm, thickness is 2.8mm～13.2mm, wherein, the thickness of foaming anti-flaming thermal-insulation layer is 1mm～10mm, the thickness in reflector is 0.1mm～0.2mm, and the thickness of first insulating barrier is 0.1mm～0.5mm, and the thickness of high molecular PTC conductive braid is 0.5mm～1mm, the thickness of second insulating barrier is 0.1mm～0.5mm, and the thickness of flame-retardant layer is 1mm～2mm.
The fire-retardant PTC macromolecule of the unidirectional heat transfer of the present invention is from limitting the beneficial effect of warm Electric radiant Heating Film to be:
1, has the good advantage of heat unidirectional delivery and fire resistance.Wherein, heat unidirectional delivery function realizes that by foaming anti-flaming thermal-insulation layer and reflector this structure makes PTC macromolecule of the present invention from limitting most of electric heating energy of warm Electric radiant Heating Film to the interior space rather than downward radiation; Anti-flaming function is realized by foaming anti-flaming thermal-insulation layer, flame-retardant layer.
2, the basis material of foaming anti-flaming thermal-insulation layer, reflector, ground floor insulating barrier, high molecular PTC conductive braided fabric thing, second layer insulating barrier and flame-retardant layer is polyethylene, and the thermal coefficient of expansion of each functional layer is roughly suitable, and the interface cohesion is strong.In use, after energising heating repeatedly-outage cooling, be difficult for forming the marked change of bubble or generation interface bond performance between insulating barrier and conductive film layer, conductive film layer is difficult for producing micro-crack, can not cause come off deterioration with electric heating property of conductive film layer, thereby improve serviceability stability, prolong from the useful life of limitting warm Electric radiant Heating Film.
3, first insulating barrier and second insulating barrier are polyethylene film or calcium carbonate-filled polyethylene film, so good insulation preformance.
4, Electric radiant Heating Film Leakage Current of the present invention is minimum, can compare more safe and reliable with existing Electric radiant Heating Film by existing all earth leakage protective devices.This is owing to high molecular PTC conductive braid among the present invention adopts weaving, carbon black filled type polyvinyl PTC conductive fiber at interval and evenly be woven on the braiding bottom, make between the carbon black filled type polyvinyl PTC conductive fiber independent of one another, again because the diameter of conductive fiber is very little, can not constitute large-scale planar current field, can not form obvious capacity effect after underground imbedding, so Leakage Current is minimum.
The beneficial effect of the inventive method is, technological process is simple, and cost is low, is easy to realize.
Description of drawings
Fig. 1 limits the structural representation of first kind of execution mode of warm Electric radiant Heating Film certainly for the fire-retardant PTC macromolecule of the unidirectional heat transfer of the present invention;
Fig. 2 limits the structural representation of second kind of execution mode of warm Electric radiant Heating Film certainly for the fire-retardant PTC macromolecule of the unidirectional heat transfer of the present invention;
Fig. 3 is the structural representation of the high molecular PTC conductive braid among the present invention.
Wherein, the anti-flaming thermal-insulation layer that 1. foams, 2. reflector, 3. first insulating barrier, 4. high molecular PTC conductive braid, 5. second insulating barrier, 6. flame-retardant layer, 7. braiding bottom, 8. carbon black filled type polyvinyl PTC conductive fiber, 9. current-carrying bar.
Embodiment
As shown in Figure 1, the fire-retardant PTC macromolecule of first kind of unidirectional heat transfer of the present invention comprises the reflector 2, first insulating barrier 3, high molecular PTC conductive braid 4, second insulating barrier 5 and the flame-retardant layer 6 that set gradually from top to bottom from limitting warm Electric radiant Heating Film.Its preparation method is: reflector 2, first insulating barrier 3, high molecular PTC conductive braid 4, second insulating barrier 5 and flame-retardant layer 6 that the employing tri-roll press machine will set gradually from top to bottom are under the temperature of 130 ° of C～220 ° C, roll compound, water-cooled, rolling, namely.
As shown in Figure 2, the fire-retardant PTC macromolecule of second kind of unidirectional heat transfer of the present invention comprises the foaming anti-flaming thermal-insulation layer 1, reflector 2, first insulating barrier 3, high molecular PTC conductive braid 4, second insulating barrier 5 and the flame-retardant layer 6 that set gradually from top to bottom from limitting warm Electric radiant Heating Film.Its preparation method is: foaming anti-flaming thermal-insulation layer 1, reflector 2, first insulating barrier 3, high molecular PTC conductive braid 4, second insulating barrier 5 and flame-retardant layer 6 that the employing tri-roll press machine will set gradually from top to bottom are under the temperature of 130 ° of C～220 ° C, roll compound, water-cooled, rolling, namely.
When adopting metal forming such as aluminium foil as reflector 2, the fire-retardant PTC macromolecule of unidirectional heat transfer of the present invention is from limitting warm Electric radiant Heating Film can not comprise foaming anti-flaming thermal-insulation layer 1.When adopting macromolecule member material such as composite aluminium-magnesium-silicate filled polyethylene melt extruded film as reflector 2, the fire-retardant PTC macromolecule of unidirectional heat transfer of the present invention is from limitting warm Electric radiant Heating Film should comprise foaming anti-flaming thermal-insulation layer 1, to improve from the fire resistance of limitting warm Electric radiant Heating Film.
The effect of foaming anti-flaming thermal-insulation layer 1 provides heat insulation and anti-flaming function, has both avoided the heat downward radiation, again can with flame-retardant layer 6 actings in conjunction, improve the fire resistance of Electric radiant Heating Film.The effect in reflector 2 is that the heat that Electric radiant Heating Film produces is reflected to the interior space, avoids electric heating heat downward radiation as early as possible.The effect of first insulating barrier 3 and second insulating barrier 5 is that high molecular PTC is conducted electricity the insulation of organization level and external environment, guarantees that the fire-retardant PTC macromolecule of the unidirectional heat transfer of the present invention is from the safety in utilization of limitting warm Electric radiant Heating Film.High molecular PTC conductive braid 4 is electric heating main bodys that the fire-retardant PTC macromolecule of unidirectional heat transfer of invention is limit warm Electric radiant Heating Film certainly, is a kind of intelligent electrothermal device with autonomous temperature control type characteristic, can control electric current and spontaneous heating power automatically with variation of temperature.
As shown in Figure 3, the high molecular PTC conductive braid 4 among the present invention comprises the braiding bottom 7 that is formed by the braiding of yarn longitude and latitude.Braiding bottom 7 is that 7～80,1～6 burst spun polyester thread braiding forms, and the density of terylene warp and terylene parallel is 16～24 every centimetre.Weave bottom warp directions interval, 7 upper edge and evenly inweave a plurality of carbon black filled type polyvinyl PTC conductive fibers 8, the diameter of carbon black filled type polyvinyl PTC conductive fiber 8 is 0.5mm～1mm.Braiding bottom 7 upper edge weft directions at interval and parallelly inweave two current-carrying bars 9.Distance is 45mm～995mm between two current-carrying bars 9, and each current-carrying bar 9 is the copper wire formation of 0.05mm～0.1mm by many diameters.
The raw material of carbon black filled type polyvinyl PTC conductive fiber 8 is formed and is comprised polyvinyl resin 100 weight portions, ethylene-vinyl acetate copolymer 1～50 weight portion, carbon black 10～50 weight portions, carbon fiber 1～11 weight portion, nano-calcium carbonate 20～50 weight portions, calcium stearate 1～5 weight portion, dolomol 1～5 weight portion, cumyl peroxide 0.001～0.010 weight portion, vinyl three (2-methoxy ethoxy) silane 0.1～2.0 weight portion, DBSA 0.1～2.0 weight portion, salicylamide base phthalimide 1～10 weight portion.Wherein, polyvinyl resin is high-density polyethylene resin, ldpe resin, linear low density of polyethylene resin or medium density polyethylene resin.Ethylene-vinyl acetate copolymer is not had specific (special) requirements, and preferred vinylacetate unit weight percentage is 10%～28% ethylene-vinyl acetate copolymer.
Wherein, the preparation method of the high molecular PTC conductive braid 4 among the present invention is:
Step 1, the carbon black filled type polyvinyl PTC conductive fiber 8 of preparation:
Take by weighing carbon black 10～50 weight portions, carbon fiber 1～11 weight portion, nano-calcium carbonate 20～50 weight portions, calcium stearate 1～5 weight portion, dolomol 1～5 weight portion, cumyl peroxide 0.001～0.010 weight portion, vinyl three (2-methoxy ethoxy) silane 0.1～2.0 weight portion, DBSA 0.1～2.0 weight portion and salicylamide base phthalimide 1～10 weight portion, place the homogenizer high speed to stir 20min～25min, get carbon composition;
Other take by weighing polyvinyl resin 100 weight portions and ethylene-vinyl acetate copolymer 1～50 weight portion standby;
Adopt extruder to carry out fusion and extruding spinning, wherein, a charging aperture of extruder is carried carbon composition, another charging aperture is carried polyvinyl resin and ethylene-vinyl acetate copolymer, spinning speed is 100m/min～1000m/min, after the water-cooled, rolling namely gets carbon black filled type polyvinyl PTC conductive fiber 8 under the room temperature;
Adopt loom that the yarn longitude and latitude is woven into braiding bottom 7, in the braiding process, along warp direction at interval and evenly inweave a plurality of carbon black filled type polyvinyl PTC conductive fibers 8, and along weft direction at interval and parallelly inweave two current-carrying bars 9.
Foaming anti-flaming thermal-insulation layer 1 is low foaming flame-proof polyethylene film, reflector 2 is composite aluminium-magnesium-silicate filled polyethylene melt extruded film or aluminium foil, first insulating barrier 3 and second insulating barrier 5 are polyethylene film or calcium carbonate-filled polyethylene film, and flame-retardant layer 6 is for containing the polyethylene film of six isopropoxy phosphonitriles, hydrated magnesium, pentaerythrite and melamine composite flame-retardant agent.
The width of Electric radiant Heating Film of the present invention is 50mm～1000mm, thickness is 2.8mm～13.2mm, wherein, the thickness of foaming anti-flaming thermal-insulation layer 1 is 1mm～10mm, the thickness in reflector 2 is 0.1mm～0.2mm, and the thickness of first insulating barrier 3 is 0.1mm～0.5mm, and the thickness of high molecular PTC conductive braid 4 is 0.5mm～1mm, second insulating barrier, 5 thickness are 0.1mm～0.5mm, and the thickness of flame-retardant layer 6 is 1mm～2mm.
Embodiment 1
Wherein, low density polyethylene (LDPE) melt extruded film is filled for composite aluminium-magnesium-silicate in reflector 2, first insulating barrier 3 and second insulating barrier 5 are low density polyethylene films, and flame-retardant layer 6 is for containing the low density polyethylene films of 20 weight portions, six isopropoxy phosphonitriles, 30 weight portion hydration magnesium oxide, 5 weight portion pentaerythrites, 20 weight portion melamine composite flame-retardant agents.
High molecular PTC conductive braid 4 comprises the braiding bottom 7 that is formed by 40,3 bursts spun polyester thread longitude and latitude braidings, and the density of terylene warp and terylene parallel is 20 every centimetre.Weave bottom warp directions interval, 7 upper edge and evenly inweave a plurality of carbon black filled type polyvinyl PTC conductive fibers 8, the diameter of carbon black filled type polyvinyl PTC conductive fiber 8 is 0.5mm.Braiding bottom 7 upper edge weft directions at interval and parallelly inweave that distance be 60mm between 9, two current-carrying bars 9 of two current-carrying bars, each current-carrying bar 9 is the copper wire formation of 0.05mm by many diameters.
The raw material of carbon black filled type polyvinyl PTC conductive fiber 8 is formed and is comprised ldpe resin 100 weight portions, ethylene-vinyl acetate copolymer 1 weight portion, carbon black 10 weight portions, carbon fiber 11 weight portions, nano-calcium carbonate 20 weight portions, calcium stearate 1 weight portion, dolomol 5 weight portions, cumyl peroxide 0.001 weight portion, vinyl three (2-methoxy ethoxy) silane 0.1 weight portion, DBSA 0.1 weight portion, salicylamide base phthalimide 10 weight portions.
The width of this Electric radiant Heating Film of the present invention is 50mm, and thickness is 2.8mm, wherein, the thickness in reflector 2 is 0.1mm, and the thickness of first insulating barrier 3 is 0.1mm, and the thickness of high molecular PTC conductive braid 4 is 0.5mm, the thickness of second insulating barrier 5 is 0.1mm, and the thickness of flame-retardant layer 6 is 2mm.
The fire-retardant PTC macromolecule of unidirectional heat transfer of the present invention is drawn lead from two current-carrying bars 9 limitting warm Electric radiant Heating Film connect power supply, test obtains, under 220V voltage, 20 ° of C ambient temperatures, the surface temperature of flame-retardant layer 6 is 62 ° of C～68 ° C during this Electric radiant Heating Film heating balance, and electric thermal power density is 210kw/m
2～225kw/m
2
Wherein, reflector 2 is aluminium foil, first insulating barrier 3 and second insulating barrier 5 are the calcium carbonate-filled density polyethylene film with high of 40 weight portions, and flame-retardant layer 6 is for containing the density polyethylene film with high of 10 weight portions, six isopropoxy phosphonitriles, 40 weight portion hydration magnesium oxide, 10 weight portion pentaerythrites, 15 weight portion melamine composite flame-retardant agents.
High molecular PTC conductive braid 4 comprises the braiding bottom 7 that is formed by 80,1 burst spun polyester thread longitude and latitude braiding, and the density of terylene warp and terylene parallel is 16 every centimetre.Weave bottom warp directions interval, 7 upper edge and evenly inweave a plurality of carbon black filled type polyvinyl PTC conductive fibers 8, the diameter of carbon black filled type polyvinyl PTC conductive fiber 8 is 0.6mm.Braiding bottom 7 upper edge weft directions at interval and parallelly inweave that distance be 750mm between 9, two current-carrying bars 9 of two current-carrying bars, described each current-carrying bar 9 is the copper wire formation of 0.07mm by many diameters.
The raw material of carbon black filled type polyvinyl PTC conductive fiber 8 is formed and is comprised high-density polyethylene resin 100 weight portions, ethylene-vinyl acetate copolymer 25 weight portions, carbon black 35 weight portions, carbon fiber 6 weight portions, nano-calcium carbonate 35 weight portions, calcium stearate 3 weight portions, dolomol 3 weight portions, cumyl peroxide 0.005 weight portion, vinyl three (2-methoxy ethoxy) silane 1 weight portion, DBSA 1 weight portion, salicylamide base phthalimide 6 weight portions.
The fire-retardant PTC macromolecule of unidirectional heat transfer of the present invention is 800mm from limitting the width of warm Electric radiant Heating Film, thickness is 3mm, wherein, the thickness in reflector 2 is 0.2mm, the thickness of first insulating barrier 3 is 0.4mm, the thickness of high molecular PTC conductive braid 4 is 1mm, and the thickness of second insulating barrier 5 is 0.4mm, and the thickness of flame-retardant layer 6 is 1mm.
The fire-retardant PTC macromolecule of unidirectional heat transfer of the present invention is drawn lead from two current-carrying bars 9 limitting warm Electric radiant Heating Film connect power supply, test obtains, under 100V voltage, 20 ° of C ambient temperatures, the surface temperature of flame-retardant layer 6 is 42 ° of C～47 ° C during this Electric radiant Heating Film heating balance, and electric thermal power density is 120kw/m
2～130kw/m
2
Foaming anti-flaming thermal-insulation layer 1, reflector 2, first insulating barrier 3, high molecular PTC conductive braid 4, second insulating barrier 5 and flame-retardant layer 6 that the employing tri-roll press machine will set gradually from top to bottom are under the temperature of 220 ° of C, roll compound, water-cooled, rolling namely gets the fire-retardant PTC macromolecule of unidirectional heat transfer of the present invention from limitting warm Electric radiant Heating Film.
Wherein, foaming anti-flaming thermal-insulation layer 1 is the fire-retardant density polyethylene film with high of low foaming, reflector 2 is aluminium foil, first insulating barrier 3 and second insulating barrier 5 are the calcium carbonate-filled density polyethylene film with high of 40 weight portions, and flame-retardant layer 6 is for containing the density polyethylene film with high of 10 weight portions, six isopropoxy phosphonitriles, 40 weight portion hydration magnesium oxide, 10 weight portion pentaerythrites, 15 weight portion melamine composite flame-retardant agents.
High molecular PTC conductive braid 4 comprises the braiding bottom 7 that is formed by 60,4 bursts spun polyester thread longitude and latitude braidings, and the density of terylene warp and terylene parallel is 22 every centimetre.Weave bottom warp directions interval, 7 upper edge and evenly inweave a plurality of carbon black filled type polyvinyl PTC conductive fibers 8, the diameter of carbon black filled type polyvinyl PTC conductive fiber 8 is 1mm.Braiding bottom 7 upper edge weft directions at interval and parallelly inweave that distance be 990mm between 9, two current-carrying bars 9 of two current-carrying bars, described each current-carrying bar 9 is the copper wire formation of 0.1mm by many diameters.
The raw material of carbon black filled type polyvinyl PTC conductive fiber 8 is formed and is comprised high-density polyethylene resin 100 weight portions, ethylene-vinyl acetate copolymer 50 weight portions, carbon black 50 weight portions, carbon fiber 1 weight portion, nano-calcium carbonate 50 weight portions, calcium stearate 5 weight portions, dolomol 1 weight portion, cumyl peroxide 0.01 weight portion, vinyl three (2-methoxy ethoxy) silane 2 weight portions, DBSA 2 weight portions, salicylamide base phthalimide 1 weight portion.
The fire-retardant PTC macromolecule of unidirectional heat transfer of the present invention is 1000mm from limitting the width of warm Electric radiant Heating Film, thickness is 13.2mm, wherein, the thickness of foaming anti-flaming thermal-insulation layer 1 is 10mm, the thickness in reflector 2 is 0.2mm, and the thickness of first insulating barrier 3 is 0.5mm, and the thickness of high molecular PTC conductive braid 4 is 1mm, the thickness of second insulating barrier 5 is 0.5mm, and the thickness of flame-retardant layer 6 is 1mm.
The fire-retardant PTC macromolecule of unidirectional heat transfer of the present invention is drawn lead from two current-carrying bars 9 limitting warm Electric radiant Heating Film connect power supply, test obtains, under 220V voltage, 20 ° of C ambient temperatures, the surface temperature of flame-retardant layer 6 is 58 ° of C～61 ° C during this Electric radiant Heating Film heating balance, and electric thermal power density is 180kw/m
2～190kw/m
2
Foaming anti-flaming thermal-insulation layer 1, reflector 2, first insulating barrier 3, high molecular PTC conductive braid 4, second insulating barrier 5 and flame-retardant layer 6 that the employing tri-roll press machine will set gradually from top to bottom are under the temperature of 190 ° of C, roll compound, water-cooled, rolling namely gets the fire-retardant PTC macromolecule of unidirectional heat transfer of the present invention from limitting warm Electric radiant Heating Film.
Wherein, foaming anti-flaming thermal-insulation layer 1 is low foaming fire retardant low-density polyethylene film, low density polyethylene (LDPE) melt extruded film is filled for composite aluminium-magnesium-silicate in reflector 2, first insulating barrier 3 and second insulating barrier 5 are low density polyethylene films, and flame-retardant layer 6 is for containing the polyethylene film of 20 weight portions, six isopropoxy phosphonitriles, 30 weight portion hydration magnesium oxide, 5 weight portion pentaerythrites, 20 weight portion melamine composite flame-retardant agents.
High molecular PTC conductive braid 4 comprises the braiding bottom 7 that is formed by 7,6 bursts spun polyester thread longitude and latitude braidings, and the density of terylene warp and terylene parallel is 24 every centimetre.Weave bottom warp directions interval, 7 upper edge and evenly inweave a plurality of carbon black filled type polyvinyl PTC conductive fibers 8, the diameter of carbon black filled type polyvinyl PTC conductive fiber 8 is 1mm.Braiding bottom 7 upper edge weft directions at interval and parallelly inweave that distance be 500mm between 9, two current-carrying bars 9 of two current-carrying bars, described each current-carrying bar 9 is the copper wire formation of 0.1mm by many diameters.
The raw material of carbon black filled type polyvinyl PTC conductive fiber 8 is formed and is comprised ldpe resin 100 weight portions, ethylene-vinyl acetate copolymer 1 weight portion, carbon black 10 weight portions, carbon fiber 11 weight portions, nano-calcium carbonate 20 weight portions, calcium stearate 1 weight portion, dolomol 5 weight portions, cumyl peroxide 0.001 weight portion, vinyl three (2-methoxy ethoxy) silane 0.1 weight portion, DBSA 0.1 weight portion, salicylamide base phthalimide 10 weight portions.
The fire-retardant PTC macromolecule of unidirectional heat transfer of the present invention is 1000mm from limitting the width of warm Electric radiant Heating Film, thickness is 10.8mm, wherein, the thickness of foaming anti-flaming thermal-insulation layer 1 is 7.6mm, the thickness in reflector 2 is 0.2mm, and the thickness of first insulating barrier 3 is 0.2mm, and the thickness of high molecular PTC conductive braid 4 is 1mm, the thickness of second insulating barrier 5 is 0.3mm, and the thickness of flame-retardant layer 6 is 1.5mm.
The fire-retardant PTC macromolecule of unidirectional heat transfer of the present invention is drawn lead from two current-carrying bars 9 limitting warm Electric radiant Heating Film connect power supply, test obtains, under 220V voltage, 20 ° of C ambient temperatures, the surface temperature of flame-retardant layer 6 is 55 ° of C～58 ° C during this Electric radiant Heating Film heating balance, and electric thermal power density is 170kw/m
2～180kw/m
2
Claims (10)
1. the fire-retardant PTC macromolecule of unidirectional heat transfer is characterized in that from limitting warm Electric radiant Heating Film, comprises the reflector (2), first insulating barrier (3), high molecular PTC conductive braid (4), second insulating barrier (5) and the flame-retardant layer (6) that set gradually from top to bottom;
Wherein, described high molecular PTC conductive braid (4) comprises the braiding bottom (7) that is formed by the braiding of yarn longitude and latitude, described braiding bottom (7) upper edge warp direction at interval and evenly inweave a plurality of carbon black filled type polyvinyl PTC conductive fibers (8), described braiding bottom (7) upper edge weft direction is at interval and parallel two the current-carrying bars (9) that inweave;
The raw material of described carbon black filled type polyvinyl PTC conductive fiber (8) is formed and is comprised polyvinyl resin 100 weight portions, ethylene-vinyl acetate copolymer 1～50 weight portion, carbon black 10～50 weight portions, carbon fiber 1～11 weight portion, nano-calcium carbonate 20～50 weight portions, calcium stearate 1～5 weight portion, dolomol 1～5 weight portion, cumyl peroxide 0.001～0.010 weight portion, vinyl three (2-methoxy ethoxy) silane 0.1～2.0 weight portion, DBSA 0.1～2.0 weight portion, salicylamide base phthalimide 1～10 weight portion.
2. limit warm Electric radiant Heating Film certainly according to the fire-retardant PTC macromolecule of the described unidirectional heat transfer of claim 1, it is characterized in that, the below of described reflector (2) also is provided with foaming anti-flaming thermal-insulation layer (1).
3. limit warm Electric radiant Heating Film certainly according to claim 1 or the fire-retardant PTC macromolecule of 2 described unidirectional heat transfers, it is characterized in that, described braiding bottom (7) is that 7～80,1～6 burst spun polyester thread braiding forms, and the density of terylene warp and terylene parallel is 16～24 every centimetre; The diameter of described carbon black filled type polyvinyl PTC conductive fiber (8) is 0.5mm～1mm; Distance is 45mm～995mm between described two current-carrying bars (9), and described each current-carrying bar (9) is the copper wire formation of 0.05mm～0.1mm by many diameters.
4. limit warm Electric radiant Heating Film certainly according to the fire-retardant PTC macromolecule of the described unidirectional heat transfer of claim 2, it is characterized in that, described foaming anti-flaming thermal-insulation layer (1) is low foaming flame-proof polyethylene film, described reflector (2) is composite aluminium-magnesium-silicate filled polyethylene melt extruded film or aluminium foil, described first insulating barrier (3) and second insulating barrier (5) are polyethylene film or calcium carbonate-filled polyethylene film, and described flame-retardant layer (6) is for containing the polyethylene film of six isopropoxy phosphonitriles, hydrated magnesium, pentaerythrite and melamine composite flame-retardant agent.
5. limit warm Electric radiant Heating Film certainly according to the fire-retardant PTC macromolecule of the described unidirectional heat transfer of claim 2, it is characterized in that, the width of this Electric radiant Heating Film is 50mm～1000mm, thickness is 2.8mm～13.2mm, wherein, the thickness of described foaming anti-flaming thermal-insulation layer (1) is 1mm～10mm, the thickness in described reflector (2) is 0.1mm～0.2mm, the thickness of described first insulating barrier (3) is 0.1mm～0.5mm, the thickness of described high molecular PTC conductive braid (4) is 0.5mm～1mm, the thickness of described second insulating barrier (5) is 0.1mm～0.5mm, and the thickness of described flame-retardant layer (6) is 1mm～2mm.
6. the fire-retardant PTC macromolecule of unidirectional heat transfer is from the preparation method who limits warm Electric radiant Heating Film, it is characterized in that, reflector (2), first insulating barrier (3), high molecular PTC conductive braid (4), second insulating barrier (5) and flame-retardant layer (6) that the employing tri-roll press machine will set gradually from top to bottom are under 130 ℃～220 ℃ temperature, roll compound, water-cooled, rolling, namely;
Wherein, described high molecular PTC conductive braid (4) comprises the braiding bottom (7) that is formed by the braiding of yarn longitude and latitude, described braiding bottom (7) upper edge warp direction at interval and evenly inweave a plurality of carbon black filled type polyvinyl PTC conductive fibers (8), described braiding bottom (7) upper edge weft direction is at interval and parallel two the current-carrying bars (9) that inweave;
The raw material of described carbon black filled type polyvinyl PTC conductive fiber (8) is formed and is comprised polyvinyl resin 100 weight portions, ethylene-vinyl acetate copolymer 1～50 weight portion, carbon black 10～50 weight portions, carbon fiber 1～11 weight portion, nano-calcium carbonate 20～50 weight portions, calcium stearate 1～5 weight portion, dolomol 1～5 weight portion, cumyl peroxide 0.001～0.010 weight portion, vinyl three (2-methoxy ethoxy) silane 0.1～2.0 weight portion, DBSA 0.1～2.0 weight portion, salicylamide base phthalimide 1～10 weight portion.
7. limit the preparation method of warm Electric radiant Heating Film certainly according to the fire-retardant PTC macromolecule of the described unidirectional heat transfer of claim 6, it is characterized in that, described reflector (2) is composite aluminium-magnesium-silicate filled polyethylene melt extruded film or aluminium foil, described first insulating barrier (3) and second insulating barrier (5) are polyethylene film or calcium carbonate-filled polyethylene film, and described flame-retardant layer (6) is for containing the polyethylene film of six isopropoxy phosphonitriles, hydrated magnesium, pentaerythrite and melamine composite flame-retardant agent.
8. the fire-retardant PTC macromolecule of unidirectional heat transfer is from the preparation method who limits warm Electric radiant Heating Film, it is characterized in that, foaming anti-flaming thermal-insulation layer (1), reflector (2), first insulating barrier (3), high molecular PTC conductive braid (4), second insulating barrier (5) and flame-retardant layer (6) that the employing tri-roll press machine will set gradually from top to bottom are under 130 ℃～220 ℃ temperature, roll compound, water-cooled, rolling, namely;
Wherein, described high molecular PTC conductive braid (4) comprises the braiding bottom (7) that is formed by the braiding of yarn longitude and latitude, described braiding bottom (7) upper edge warp direction at interval and evenly inweave a plurality of carbon black filled type polyvinyl PTC conductive fibers (8), described braiding bottom (7) upper edge weft direction is at interval and parallel two the current-carrying bars (9) that inweave;
The raw material of described carbon black filled type polyvinyl PTC conductive fiber (8) is formed and is comprised polyvinyl resin 100 weight portions, ethylene-vinyl acetate copolymer 1～50 weight portion, carbon black 10～50 weight portions, carbon fiber 1～11 weight portion, nano-calcium carbonate 20～50 weight portions, calcium stearate 1～5 weight portion, dolomol 1～5 weight portion, cumyl peroxide 0.001～0.010 weight portion, vinyl three (2-methoxy ethoxy) silane 0.1～2.0 weight portion, DBSA 0.1～2.0 weight portion, salicylamide base phthalimide 1～10 weight portion.
9. limit the preparation method of warm Electric radiant Heating Film certainly according to the fire-retardant PTC macromolecule of the described unidirectional heat transfer of claim 8, it is characterized in that, described foaming anti-flaming thermal-insulation layer (1) is low foaming flame-proof polyethylene film, described reflector (2) is composite aluminium-magnesium-silicate filled polyethylene melt extruded film or aluminium foil, described first insulating barrier (3) and second insulating barrier (5) are polyethylene film or calcium carbonate-filled polyethylene film, and described flame-retardant layer (6) is for containing the polyethylene film of six isopropoxy phosphonitriles, hydrated magnesium, pentaerythrite and melamine composite flame-retardant agent.
10. limit the preparation method of warm Electric radiant Heating Film certainly according to claim 8 or the fire-retardant PTC macromolecule of 9 described unidirectional heat transfers, it is characterized in that, described braiding bottom (7) is that 7～80,1～6 burst spun polyester thread braiding forms, and the density of terylene warp and terylene parallel is 16～24 every centimetre; The diameter of described carbon black filled type polyvinyl PTC conductive fiber (8) is 0.5mm～1mm; Distance is 45mm～995mm between described two current-carrying bars (9), and described each current-carrying bar (9) is the copper wire formation of 0.05mm～0.1mm by many diameters;
The width of this Electric radiant Heating Film is 50mm～1000mm, thickness is 2.8mm～13.2mm, wherein, the thickness of described foaming anti-flaming thermal-insulation layer (1) is 1mm～10mm, the thickness in described reflector (2) is 0.1mm～0.2mm, and the thickness of described first insulating barrier (3) is 0.1mm～0.5mm, and the thickness of described high molecular PTC conductive braid (4) is 0.5mm～1mm, the thickness of described second insulating barrier (5) is 0.1mm～0.5mm, and the thickness of described flame-retardant layer (6) is 1mm～2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110258735 CN102427617B (en) | 2011-09-02 | 2011-09-02 | Unidirectional heat transfer flame retardation PTC macromolecule self-limiting temperature electrothermal film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110258735 CN102427617B (en) | 2011-09-02 | 2011-09-02 | Unidirectional heat transfer flame retardation PTC macromolecule self-limiting temperature electrothermal film and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102427617A CN102427617A (en) | 2012-04-25 |
| CN102427617B true CN102427617B (en) | 2013-07-10 |
Family
ID=45961546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110258735 Active CN102427617B (en) | 2011-09-02 | 2011-09-02 | Unidirectional heat transfer flame retardation PTC macromolecule self-limiting temperature electrothermal film and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102427617B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11125921B2 (en) | 2015-07-24 | 2021-09-21 | 3M Innovative Properties Company | Reflective stack with heat spreading layer |
| CN106183320A (en) * | 2016-07-05 | 2016-12-07 | 中国科学院过程工程研究所 | The research and development of ionic liquid carbon nano-far-infrared radiation exothermic material and application |
| CN107454694B (en) * | 2017-08-09 | 2020-07-24 | 湖北暖季地暖科技股份有限公司 | Production process of self-temperature-limiting PTC electric heating film |
| CN107613588B (en) * | 2017-08-14 | 2023-12-05 | 深圳市维特欣达科技有限公司 | Preparation method of quick heating type heating plate and quick heating type heating plate |
| CN109600869B (en) * | 2018-12-25 | 2023-05-23 | 北京爱尼机电有限公司 | Electrothermal film with PTC effect and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2162067Y (en) * | 1993-08-09 | 1994-04-13 | 陈耀庭 | Carbon fiber paper heater |
| CN1222743A (en) * | 1996-07-16 | 1999-07-14 | 上海维安热电材料有限公司 | Posistor of laminar polymer |
| CN1256499A (en) * | 1999-12-06 | 2000-06-14 | 上海维安热电材料有限公司 | Thermosensitive resistor and its manufacture |
| CN1581371A (en) * | 2003-08-15 | 2005-02-16 | 比亚迪股份有限公司 | Thermistor material and method for manufacturing thermistor containing same |
| CN1624038A (en) * | 2003-12-02 | 2005-06-08 | 上海高分子功能材料研究所 | Room-temp, silane cross linked polyethylene plastic and its preparation method |
| CN102123529A (en) * | 2011-03-14 | 2011-07-13 | 安徽大学 | Novel carbon fiber composite electric heating film and preparation method thereof |
-
2011
- 2011-09-02 CN CN 201110258735 patent/CN102427617B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2162067Y (en) * | 1993-08-09 | 1994-04-13 | 陈耀庭 | Carbon fiber paper heater |
| CN1222743A (en) * | 1996-07-16 | 1999-07-14 | 上海维安热电材料有限公司 | Posistor of laminar polymer |
| CN1256499A (en) * | 1999-12-06 | 2000-06-14 | 上海维安热电材料有限公司 | Thermosensitive resistor and its manufacture |
| CN1581371A (en) * | 2003-08-15 | 2005-02-16 | 比亚迪股份有限公司 | Thermistor material and method for manufacturing thermistor containing same |
| CN1624038A (en) * | 2003-12-02 | 2005-06-08 | 上海高分子功能材料研究所 | Room-temp, silane cross linked polyethylene plastic and its preparation method |
| CN102123529A (en) * | 2011-03-14 | 2011-07-13 | 安徽大学 | Novel carbon fiber composite electric heating film and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102427617A (en) | 2012-04-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102307403B (en) | Self-limiting temperature electrothermal membrane of PTC high-molecular conductive fiber and preparation method thereof | |
| CN102427617B (en) | Unidirectional heat transfer flame retardation PTC macromolecule self-limiting temperature electrothermal film and preparation method thereof | |
| CN102408606B (en) | Flame-retardant PTC (positive temperature coefficient) polymer electroconductive material and preparation method thereof | |
| CN102318438A (en) | Carbon nanotube sheet heater | |
| CN204482059U (en) | A kind of wisdom energy carbon fiber heating Graphene heat conductive flame-retarding waterproof Geothermal electric cable | |
| CN103134100A (en) | Ultra-thin electrothermal film heating device for wall body and manufacture method thereof | |
| CN102137520A (en) | Anticreep carbon crystal heating fin for floor heating | |
| CN104159341B (en) | With the self temperature limiting electrical conducting polymer electric heating membrane of ground plane | |
| CN107172728A (en) | A kind of carbon fiber energy-saving heating module and ground heating system | |
| CN103974471A (en) | Nano-composite current-conducting electric heating film and production method thereof | |
| CN102427616B (en) | Flame-retarded PTC high polymer self-limiting temperature electric heating film and preparation method thereof | |
| CN104179328A (en) | Nano multilayer composite electric heating wood floor and preparation method thereof | |
| CN108915184B (en) | Electric heating wallpaper | |
| CN201734454U (en) | Conductive heating composite carpet | |
| CN206851055U (en) | A kind of carbon fiber energy-saving heating module and ground heating system | |
| CN103338536A (en) | Nanometer multilayer composite electrothermal soft leather and production method thereof | |
| CN214481316U (en) | Low-voltage electric heating device of electric heating product | |
| CN210617720U (en) | Heat accumulating type graphene heating mural | |
| CN201260248Y (en) | Electric heating membrane | |
| CN110312332B (en) | Energy-storage waterproof graphene far-infrared electric heating module | |
| CN209339478U (en) | A kind of far infrared heating wallpaper | |
| CN209978156U (en) | Electric heating water pipe heating equipment | |
| CN111182666A (en) | Graphene heating ceramic tile | |
| CN207496160U (en) | A kind of integration silicon rubber Compound Fabric heater | |
| CN111113770A (en) | Preparation method of graphene heating electric brick |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 710018 room 616, building 1, Fengcheng No. 1, northeast corner, intersection of Fengcheng No. 1 road and Wenjing Road, economic and Technological Development Zone, Xi'an, Shaanxi Province Patentee after: XI'AN GAIWO THERMAL ENERGY TECHNOLOGY Co.,Ltd. Address before: 710018 No. 2, row 3, gangjiazhai commercial street, Fengcheng 1st Road, Weiyang District, Xi'an City, Shaanxi Province Patentee before: XI'AN GOWARM HEAT ENERGY SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address |