CN104476890A - Heating cloth and manufacturing method thereof - Google Patents
Heating cloth and manufacturing method thereof Download PDFInfo
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- CN104476890A CN104476890A CN201410574444.6A CN201410574444A CN104476890A CN 104476890 A CN104476890 A CN 104476890A CN 201410574444 A CN201410574444 A CN 201410574444A CN 104476890 A CN104476890 A CN 104476890A
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- 239000004744 fabric Substances 0.000 title claims abstract description 155
- 238000010438 heat treatment Methods 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 239000002002 slurry Substances 0.000 claims abstract description 81
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 77
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 75
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910052709 silver Inorganic materials 0.000 claims abstract description 36
- 239000004332 silver Substances 0.000 claims abstract description 36
- 238000007639 printing Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 30
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 17
- 230000011218 segmentation Effects 0.000 claims abstract description 8
- 238000010030 laminating Methods 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 12
- 229920002472 Starch Polymers 0.000 claims description 10
- 235000019698 starch Nutrition 0.000 claims description 10
- 239000008107 starch Substances 0.000 claims description 5
- 238000009955 starching Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 abstract 5
- 229920000728 polyester Polymers 0.000 description 63
- 239000004814 polyurethane Substances 0.000 description 54
- 238000013461 design Methods 0.000 description 9
- 206010037660 Pyrexia Diseases 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000000835 fiber Substances 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 6
- 229920002635 polyurethane Polymers 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
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- 239000002904 solvent Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 241000255925 Diptera Species 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000011527 polyurethane coating Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004500 asepsis Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
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- 239000011230 binding agent Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
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- 239000011347 resin Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/14—Printing or colouring
- B32B38/145—Printing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
- B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
Landscapes
- Surface Heating Bodies (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a heating cloth and a manufacturing method thereof. The manufacturing method comprises the following steps of arranging a first PU coating on a first side of a first PET substrate cloth, arranging a second PU coating on a first side of a second PET substrate cloth, printing silver slurry and carbon slurry on a second side of the second PET substrate cloth, pasting the first PU coating to the second side of the second PET substrate cloth, carrying out segmentation and carrying out connection with an electric wire. The manufacturing method utilizes PET as a substrate cloth and has simple processes and a low cost. The heating cloth is mute, can produce heat, has a controllable heating temperature, has high durability, has PTC effects and a temperature self-control function, is designed based on full understanding and utilization of a thermal expansion coefficient principle, is scientifically and reasonably provided with conductive electrode and heating carbon slurry layout and structure on the whole cloth base, can flexibly adjust carbon slurry resistance, has appropriate voltage and current values, successfully realizes heating cloth PTC effects, has temperature self-control function and has a high market application value.
Description
Technical field
The present invention relates to heating cloth, in particular, a kind of electrothermal cloth and manufacture method thereof.
Background technology
The fever tablet of prior art, normally used is resistance wire, aluminium foil, stainless steel, PET base ink etc. and so on do not have PTC effect, without the fever tablet of temp auto-controlled function, and when using above-mentioned fever tablet, broken string can imply because can not be energized, short circuit produces the drawbacks such as high electric current initiation fire, or has the danger of excessive heat.
Such as; Chinese patent 200410010358.9 discloses a kind of electrothermal cloth; the raw material cloth be made into as raw material by polypropylene fibre, viscose rayon, pitch fibers, phenolic fibre, vinal or polyvinyl chloride fibre; be prepared from according to following step: the first step, above-mentioned raw materials is arranged in vacuum is under 0.1-0.3Pa state, temperature is carry out pre-oxidation treatment between 250-300 DEG C; Second step, by described pre-oxidation treatment be arranged in atmosphere of inert gases through 300 DEG C charing process make carbon fiber cloth; 3rd step, described carbon fiber cloth is heated to 2700-2800 DEG C namely makes graphite fiber cloth, the electrothermal cloth also namely described in this invention.The advantage of this invention is to rely on high-tech and the up-to-date basic theory concept of fibrous material, that succeeds in developing has high-performance and H.D conductive carbon fibre electrothermal cloth, it has the features such as high strength, high-modulus, high temperature resistant, good conductivity, its economic benefit and social benefit considerable.
But this electrothermal cloth complex manufacturing technology, cost is high, and heating temp is uncontrollable, poor durability.
Summary of the invention
Invent technical problem to be solved and be to provide a kind of new electrothermal cloth and manufacture method thereof.
Technical scheme of the present invention is as follows: a kind of manufacture method of electrothermal cloth, and it comprises the following steps: on the first side of a PET ground cloth, arrange a PU film layer; First side of the 2nd PET ground cloth arranges the 2nd PU film layer; On the second side of the 2nd PET ground cloth, printing silver slurry is starched with carbon; Second side of the one PU film layer laminating the 2nd PET ground cloth, connects wires after segmentation.
Preferably, described printing silver slurry is starched with carbon, for starching with carbon according to preset pitch and preset structure graphic printing silver slurry.
Preferably, before described printing, the 2nd PET ground cloth being provided with the 2nd PU film layer, carry out the pre-heat treatment.
Preferably, described printing is serigraphy.
Preferably, the printing condition of described silver slurry is: silk-screen, 150 object half tones, coating weight are 20 microns; Preferably, print the resistance value obtaining silver slurry line and be less than 0.05 Ω/mouth.
Preferably, the printing condition of described carbon slurry is: silk-screen, 80 object half tones, coating weight are 40 microns; Preferably, printing obtains the resistance value of carbon slurry line is 25k Ω/mouth.
Preferably, before the second side of PU film layer laminating a 2nd PET ground cloth, also perform following steps: for connect wire terminal wire connecting portion outside, use solid to fit comprehensively.
Preferably, use solid also carries out conservation treatment to described wire connecting portion before fitting comprehensively.
The another technical scheme of the present invention is as follows: a kind of electrothermal cloth, it comprises a PET ground layer of cloth, the PU film layer be arranged on the first side of a PET ground cloth, the 2nd PET ground layer of cloth, the 2nd PU film layer be arranged on the first side of the 2nd PET ground cloth, the silver slurry be printed on the second side of the 2nd PET ground cloth are starched with carbon and wire connecting portion for being connected wire terminal, wherein, the second side of PU film layer laminating a 2nd PET ground cloth.
Preferably, the electrothermal cloth that above-mentioned arbitrary manufacture method is obtained is adopted.
The present invention adopts PET as ground cloth, and manufacture craft is simple, and cost is lower, quiet heating, heating temp is controlled, and durability is higher, have very high market using value, this electrothermal cloth is of many uses, can be used for various bed, desk, dining table, dress, cotton-wadded quilt or wall and warms up.
In addition, electrothermal cloth has PTC effect, temp auto-controlled function, electrothermal cloth is based on the thermal coefficient of expansion principle fully understanding and used line, whole fabricbase devises conductive electrode, heating carbon slurry layout and structure scientifically and rationally, flexible modulation carbon slurry resistance size, be provided with suitable voltage x current value, successfully achieve the PTC effect of electrothermal cloth, temp auto-controlled function, there is very high market using value.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an embodiment of manufacture method of the present invention;
Fig. 2 is the schematic diagram of an embodiment of electrothermal cloth of the present invention.
Detailed description of the invention
For the ease of understanding the present invention, below in conjunction with the drawings and specific embodiments, the present invention will be described in more detail.Give preferred embodiment of the present invention in this description and accompanying drawing thereof, but the present invention can realize in many different forms, is not limited to the embodiment described by this description.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.
It should be noted that, when a certain element is fixed on another element, comprise and this element is directly fixed on this another element, or this element is fixed on this another element by least one other element placed in the middle.When an element connects another element, comprise and this element is directly connected to this another element, or this element is connected to this another element by least one other element placed in the middle.
In the traditional fever tablet of summary empirically, have developed one, based on planar fabricbase, there is PTC effect, the electrothermal cloth of temp auto-controlled can be realized.As shown in Figure 1, one embodiment of the present of invention are, a kind of manufacture method of electrothermal cloth, and it comprises the following steps: on the first side of a PET ground cloth, arrange a PU film layer; First side of the 2nd PET ground cloth arranges the 2nd PU film layer; On the second side of the 2nd PET ground cloth, printing silver slurry is starched with carbon; Second side of the one PU film layer laminating the 2nd PET ground cloth, connects wires after segmentation.Such as, PET ground cloth adopts 100%PET(PETG), PU film layer is PU(Polyurethane, polyurethanes, is called for short polyurethane) coating, it forms a very thin rete, i.e. described PU film layer, or be called polyurethane coating or layer of polyurethane.Preferably, carbon slurry is coated into clathrate; Preferably, after the 2nd PU film layer applies solid, then by lattice shape coating carbon slurry.Common, PET ground cloth, i.e. ground cloth, comprise a PET ground cloth and the 2nd PET ground cloth, it has flat shape, namely has two sides; Preferably, the first side of a PET ground cloth arranges a PU film layer, and it all covers this side.Electrothermal cloth obtained by manufacture method of the present invention has the feature of automatic constant-temperature, by electrothermal cloth direct-electrifying, does not need temperature control system, never overtemperature; The non-constant width of operating voltage, when operating voltage changes 2 times, the change of surface temperature is very little; Long service life, uses under home, and the life-span can reach more than 10 years.
Such as, the ground of electrothermal cloth is through heat-resisting, solvent resistance process polyester (PET) ground cloth, film PU film layer on cloth, and fabricbase designs ag paste electrode spacing, carbon slurry structure graph, starches with carbon according to spacing and structure graph printing silver slurry.Carbon slurry is according to the whole surface resistance requirement of electrothermal cloth, in advance through gloss oil (being commonly called as varnish) deployed resistance, prints carbon slurry; Or after the ground of electrothermal cloth prints carbon slurry, whole face is overlay film one deck PU coating again.Such as, described manufacture method comprises the following steps: arrange a PU film layer in the first side of a PET ground cloth; In the first side of the 2nd PET ground cloth, the 2nd PU film layer is set; On the second side of the 2nd PET ground cloth, printing silver slurry is starched with carbon; Second side of the one PU film layer laminating the 2nd PET ground cloth, connects wires after segmentation.And for example, described manufacture method comprises the following steps: arrange a PU film layer in the first side of a PET ground cloth; On the second side of the 2nd PET ground cloth, printing silver slurry is starched with carbon; Second side of the one PU film layer laminating the 2nd PET ground cloth, connects wires after segmentation; In the first side of the 2nd PET ground cloth, the 2nd PU film layer is set.And for example, described manufacture method comprises the following steps: arrange a PU film layer in the first side of a PET ground cloth; On the second side of the 2nd PET ground cloth, printing silver slurry is starched with carbon; In the first side of the 2nd PET ground cloth, the 2nd PU film layer is set; Second side of the one PU film layer laminating the 2nd PET ground cloth, connects wires after segmentation; By that analogy.Such as, gloss oil is UV gloss oil or PU gloss oil; Preferably, gloss oil is 602 gloss oil.Like this, it keeps thermostat principle to be that under identical electrothermal cloth area, electrode spacing is narrower, and resistance value will be larger, and in like manner, electrode spacing is wider, and resistance value is lower; By adjustment carbon slurry and 602 gloss oil proportionings, increase carbon slurry resistance.Whole electrothermal cloth is exactly the size by thermal expansion adjustment electrode and carbon slurry resistance, reaches the size controlling electrical current, under the condition of heat release equilibrium, just can reach temperature constant state.
Such as, PET ground cloth is the Ji Bu using polyurethane resin making coatings to make on the textile of fibrous CF1000 ~ 3000 of polyester based resin; Such as, CF=(DWp/1.1) 1/2 × MWp+(DWf/1.1) 1/2 × MWf.DWp is that DWf is latitude system total fineness (dtex) through to be total fineness (dtex), MWp be warp density (this/2.54 centimetres), and MWf is weft density (this/2.54 centimetres).
Preferably, described carbon slurry is conductive exothermal carbon slurry; Described carbon slurry can adopt the carbon slurry product of prior art; Preferably, the proportioning (mass ratio) of described carbon slurry is as follows: binder (thermosetting resin/thermoplastic resin): graphite: carbon black: diluent: auxiliary agent=48:18:11:22:1.Good conductive exothermal effect can be reached like this.
Such as, described segmentation adopts die cutting method to realize, and namely connects wires after laminating, cross cutting.Like this, flexibly, product can design electrothermal cloth and geomery according to use scenes, and full-size scope can reach 1000mm × 2000mm in electrothermal cloth design processing.
Preferably, before described printing, the 2nd PET ground cloth being provided with the 2nd PU film layer, carry out the pre-heat treatment.And for example, before described laminating, also the PET ground cloth being provided with a PU film layer, carry out the pre-heat treatment.Such as, described PET ground cloth, the pre-heat treatment 10 to 20 minutes at 150 DEG C to 180 DEG C; Such as, the 2nd PET ground cloth, the pre-heat treatment 10 to 20 minutes at 150 DEG C to 180 DEG C; Preferably, the pre-heat treatment 15 minutes at 160 DEG C.And for example, the PET ground cloth being provided with PU film layer, the pre-heat treatment 10 to 20 minutes at 150 DEG C to 180 DEG C; Such as, the 2nd PET ground cloth being provided with the 2nd PU film layer, the pre-heat treatment 10 to 20 minutes at 150 DEG C to 180 DEG C.Preferably, the pre-heat treatment 15 minutes at 160 DEG C.Like this, even if Long-Time Service, going through repeatedly expands with heat and contract with cold can keep original institutional framework, that is, doing the pre-heat treatment to coated base fabric, there will not be contraction when being to print, and keeps heating function.
Preferably, described printing silver slurry is starched with carbon, for starching with carbon according to preset pitch and preset structure graphic printing silver slurry.Preferably, according to the whole surface resistance requirement of electrothermal cloth, adopt gloss oil allotment carbon slurry, to arrange the resistance of carbon slurry; Like this, the adjustment of temperature is relevant with the resistance preset with silver slurry structure layout with carbon slurry, so make clathrate and do the circular effect that can reach this heating.The height of temperature, directly by heating current size adjustment, is reflected as the size of heating power indirectly.Preferably, according to the power of described electrothermal cloth, described preset structure figure is set; Such as by calculate between heat dissipation capacity parallel come control temperature, and/or, thermostat or power rectifier control voltage, electric current can also be used to regulate temperature; Such as, adopt thermostat or power rectifier control voltage, electric current regulates temperature.Such as, the product that heating power is high, needs large grid, and the product that heating power is low needs sub-box; Preferably, the size of grid becomes certain ratio with power designs.Preferably, also according to the point of square frame point and expansion, control printing-ink, such as, make equipment and ink keep same; And for example, technological process is adopted to be 0.006 to 0.008.
Like this, this electrothermal cloth is based on the coefficient of expansion principle fully understanding and used line.Such as, the equal setting of electrode spacing of electrothermal cloth, heater is not coated with carbon slurry comprehensively, only be coated into clathrate, electrothermal cloth heating power, electrode and carbon slurry all can be heated and expand, and the percent thermal shrinkage of line will start change, and the part not being coated with carbon slurry will maintain the original state, but the part of coating carbon slurry expands because of heating, the resistance value of heater will become large, and along with the increase of resistance, electric current can reduce, there is current limliting phenomenon, the spacing of electrode can be narrower simultaneously, and temperature range is higher, and current limitation probability will become ascendant trend.Along with the lifting of current limliting trend, the reduction of heating power, automatic regulation heating temperature, represents temp auto-controlled function.The carbon slurry of this electrothermal cloth is coated into clathrate, and the resistance of carbon slurry is tuned up, and adds that the base material cloth of use can be starched with carbon and synchronous thermal expansion occurs, obtain semistor (PTC effect).
Preferably, described printing is serigraphy.Such as, the printing condition of described silver slurry is: silk-screen, 150 object half tones, coating weight are 20 microns; Preferably, print the resistance value obtaining silver slurry line and be less than 0.05 Ω/mouth.And for example, the printing condition of described carbon slurry is: silk-screen, 80 object half tones, coating weight are 40 microns; Preferably, printing obtains the resistance value of carbon slurry line is 25k Ω/mouth.
Preferably, before the second side of PU film layer laminating a 2nd PET ground cloth, also perform following steps: for connect wire terminal wire connecting portion outside, use solid to fit comprehensively.Wherein, solid also claims bonding agent or adhesive, and such as, solid is PU glue; Or solid is nature rubber latex; Preferably, solid is the glue of no-solvent type or the double faced adhesive tape of acrylic type.Preferably, use solid also carries out conservation treatment to described wire connecting portion before fitting comprehensively, such as, temporarily paste transition paster or be nested with protective sleeve etc.
Such as, the Ji Bu of the polyester fiber of polyurethane coating will be had, by printed dimensions cross cutting.Before cross cutting, for preventing can not shrinking during printing, material be carried out 160 DEG C, the pre-heat treatment of 15 minutes, that is, adopting a PET ground cloth of the pre-heat treatment, or, adopt a PET ground cloth and a PU film layer of the pre-heat treatment; Then two parts printing is divided.
1, silver slurry printing: silk-screen, 150 object half tones, coating weight is 20 microns, silver slurry line, or is called silver-colored line, and its resistance value is preferably below 0.05 Ω/mouth.Wherein, " Ω/mouth " is the unit of surface resistivity, i.e. " square resistance ", a square namely on layer material, the resistance between an one limit to opposite side.Such as, silver-colored line resistance value is preferably 0.01 Ω/mouth, 0.02 Ω/mouth or 0.03 Ω/mouth.
2, carbon slurry printing: silk-screen, 80 object half tones, coating weight is 40 microns, carbon slurry line, or is called carbon line, and its resistance value is preferably 25k Ω/mouth.And for example, carbon line resistance value is preferably 22 to 28 k Ω/mouths.Such as, carbon line resistance value is 2325k Ω/mouth, 26k Ω/mouth or 28k Ω/mouth.
After being completed for printing, laminating dielectric film, such as, uses the glue (UV glue) of no-solvent type or the double faced adhesive tape of acrylic type to fit comprehensively, then dielectric film of fitting.At this moment, the wire connecting portion of wire terminal can not be coated with solid.
Then, by product size cross cutting.
Connect wires afterwards, use metal rivet riveting line, such as, metal rivet rivets silver-colored line or carbon line as described wire connecting portion; Preferably, metal terminal wants riveting jail, can not loosen.
Then, product runs, in electrode access based on the voltage setting current value.
Another example is, scribble PU film layer overleaf through heat resistance, on the polyurethane cloth base material of solvent resistance process, the spacing of design electrode, then printing silver slurry on polyurethane cloth base material, by 160 degree, after drying in 15 minutes, be coated with according to carbon slurry characteristic, the carbon slurry of the resistance that the characteristic of 602 gloss oil is deployed, designs the whole surface resistance of electrothermal cloth.Under identical area, the spacing of electrode is wider, and resistance value is larger.The spacing of electrode is narrower, and resistance value is lower.Or under identical area, by adjusting the mixing ratio of carbon slurry and 602 gloss oil, even if the spacing of electrode is identical, also can change resistance value; So like that, after the object that turn-on voltage is high on the electrothermal cloth being improved resistance by allotment, current value becomes very little, under the condition of thermal discharge equilibrium, can keep temperature constant state.The spacing of electrode is the same, and heater is not coated with carbon slurry comprehensively, is only coated into lattice shape, so the percent thermal shrinkage of line will start change, the part not being coated with carbon slurry will maintain the original state, but the part of coating carbon slurry expands because of heating, and the resistance value of heater will become large.That is, will there is current limliting phenomenon in electric current.The spacing of electrode is narrower, and temperature range is higher, and current limitation probability will become ascendant trend.Carbon slurry is coated into cancellate words, will semistor be obtained.
As shown in Figure 2, one embodiment of the present of invention are, a kind of electrothermal cloth, it comprises a PET ground layer of cloth 101, the PU film layer 102 be arranged on the first side of a PET ground cloth, the 2nd PET ground layer of cloth 107, the 2nd PU film layer 108 be arranged on the first side of the 2nd PET ground cloth, the silver slurry 104 be printed on the second side of the 2nd PET ground cloth starch 103 and wire connecting portion (not shown) for being connected wire terminal with carbon, wherein, a PU film layer 102 is fitted the second side of the 2nd PET ground cloth.Preferably, two described wire connecting portion are set; Preferably, described in each, wire connecting portion arranges protective sleeve, connects, in order to avoid fracture for the protection of it.Preferably, as shown in Figure 2, between a PU film layer 102 and the 2nd PET ground layer of cloth 107, an adhesion agent layer 105 is also set; Preferably, described adhesion agent layer is arranged at a PU film layer 102 and carbon is starched between 103.Preferably, carbon slurry silver paste for covering is arranged.
Very greatly, first, what in technique, its adopted is screen printing technique manufacture, not only has excellent security, also has machinability and energy-efficient performance for this kind of electrothermal cloth and the difference of former fever tablet; Secondly, this electrothermal cloth has PTC effect, temp auto-controlled function, electrothermal cloth is based on the thermal coefficient of expansion principle fully understanding and used line, whole fabricbase devises conductive electrode, heating carbon slurry layout and structure scientifically and rationally, flexible modulation carbon slurry resistance size, be provided with suitable voltage x current value, successfully achieve the PTC effect of electrothermal cloth, temp auto-controlled function; Again, as the byproduct of electrothermal cloth, be also able to continuously releasing far infrared at ordinary times, this far infrared can not only drive away mosquito ant, and is of value to the healthy function of people.
Such as, a kind of electrothermal cloth, it comprises a PET ground layer of cloth of order setting, the PU film layer be arranged on the first side of a PET ground cloth, the silver be printed on the second side of the 2nd PET ground layer of cloth starches and carbon is starched, the 2nd PET ground layer of cloth, the 2nd PU film layer be arranged on the first side of the 2nd PET ground cloth, also comprise two for connecting the wire connecting portion of wire terminal, wherein, the second side of PU film layer laminating a 2nd PET ground cloth; Such as, two wire connecting portion are arranged on the same side edge of electrothermal cloth; Preferably, two wire connecting portion are disposed adjacent, and such as, both distances are 0.5 to 3 centimetre.Wherein, silver slurry and carbon starchs and are solidified rear formation respectively and silver-colored starch line and carbon starches line.And for example, two wire connecting portion are respectively two parts that silver starches line; And for example, first paragraph silver slurry line is as the first wire connecting portion, and second segment silver slurry line is as the second wire connecting portion; Like this, better, that two sides is close electrothermal cloth is formed on the whole.Preferably, a PU film layer also arranges an adhesion agent layer, by adhesion agent layer then silver slurry starch with carbon, like this, described electrothermal cloth structure is more firm.Preferably, described adhesion agent layer and each described wire connecting portion noncontact are arranged; Like this, be conducive to connecting outside electric wire or joint.Preferably, a PU film layer also arranges an adhesion agent layer, like this, be conducive to obtaining the more firm electrothermal cloth of structure.Preferably, described in be printed on the 2nd PU film layer silver slurry, be some first preset structure figures; Such as rectangle or rhombus; Preferably, the spacing of each described first preset structure figure is the first preset pitch, such as, and 1 to 10 centimetre; Like this, the expanding position of electrothermal cloth and the resistance of silver slurry can be adjusted flexibly.Preferably, described in be printed on the 2nd PU film layer carbon slurry, be some second preset structure figures; Such as rectangle or rhombus.Preferably, the spacing of each described second preset structure figure is the second preset pitch, such as, and 1 to 10 centimetre; Like this, the expanding position of electrothermal cloth and the resistance of carbon slurry can be adjusted flexibly.Preferably, described electrothermal cloth also arranges two metal terminals, and wire connecting portion described in each rivets a metal terminal; That is, a wire connecting portion rivets a metal terminal; Such as, the first wire connecting portion riveted joint the first metal end, the second wire connecting portion rivets the second metal terminal.
Preferably, one embodiment of the present of invention are, adopt the electrothermal cloth that above-mentioned arbitrary manufacture method is obtained.Compared with prior art, existing PET fever tablet has sound when stirring, and needing could convolution by certain size.Resistance wire fever tablet can not make complicated circle, oval shape, and when usual, there will be non-uniform temperature, they need the aluminium foil of laminating soaking; Further, the resistance of these two kinds of fever tablets itself is all lower, and heating temp can occur persistently overheating, does not use temperature controller or current limiter, there will be the phenomenon of local heating.And heating of the present invention is furnished with flexibility, can be rolled into very little shape, resistance setting own is higher, as long as its thermal discharge balance can realize self-constant temperature, temperature can not exceed the temperature value of setting.Further, there is coating in the whole face of this electrothermal cloth, uniformity of temperature profile, does not need to use equal hotting mask.
Further, embodiments of the invention also comprise, each technical characteristic of the various embodiments described above, the electrothermal cloth be mutually combined to form and manufacture method thereof.
It should be noted that, electrothermal cloth of the present invention be before from undeveloped new technology, have good security, processability, energy-efficient, electrothermal cloth temperature can free setting, has the temperature characterisitic of self-constant temperature, quick heating after energising, and heating is comprehensively evenly.
The topology layout of electrothermal cloth uniqueness and design principle, experiment and practical application all present stable PTC effect.
This electrothermal cloth has good radiation effect at far infrared wave band, and what be able to continuously is releasing far infrared, and this far infrared has drives away mosquito ant, benefits healthy function.
This electrothermal cloth has good flexibility, and not easily breaks, and have excellent bending resistance, can do the design of free shape pattern, follow-up needs cross cutting is processed.
This electrothermal cloth also has very excellent insulating properties, water proofing property; Owing to setting higher resistance value, thermal losses is few, is difficult to exceed set temperature value when temperature rises.
This electrothermal cloth planar heating, the thermal efficiency is excellent, and consumes power is few, therefore has outstanding economic effect.At same area, under the condition of identical temperature, only need 1/3rd of resistance heater power consumption.
Further, the complete quiet heating of this electrothermal cloth, environment-protecting asepsis, freedom easy to use, such as time switch etc. are the same with former electric product, if can connect with the mains rectifier, can also carry out temperature adjustment freely.
This electrothermal cloth does not need to keep in repair, can according between voltage design to 5V ~ 240V, to adapt to different regions and different user to magnitude of voltage requirement; The resistance to decay of electrothermal cloth, durable years depends on use scenes, maintains when energising continuously and remains unchanged for 10 years, when repeating power on/off 5000 times, resistance change about 10%; Heating temp haves a wide reach, and temperature can set between 20 DEG C ~ 100 DEG C, with the matched combined of outside air temperature and heat insulation material.
It should be noted that, above-mentioned each technical characteristic continues combination mutually, is formed not in above-named various embodiment, is all considered as the scope that description of the present invention is recorded; Further, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (10)
1. a manufacture method for electrothermal cloth, is characterized in that, comprises the following steps:
First side of a PET ground cloth arranges a PU film layer;
First side of the 2nd PET ground cloth arranges the 2nd PU film layer;
On the second side of the 2nd PET ground cloth, printing silver slurry is starched with carbon;
Second side of the one PU film layer laminating the 2nd PET ground cloth, connects wires after segmentation.
2. manufacture method according to claim 1, is characterized in that, described printing silver slurry starch with carbon, for starching according to preset pitch and preset structure graphic printing silver slurry and carbon.
3. manufacture method according to claim 2, is characterized in that, before described printing, the 2nd PET ground cloth being provided with the 2nd PU film layer, carry out the pre-heat treatment.
4. manufacture method according to claim 1, it is characterized in that, described printing is serigraphy.
5. manufacture method according to claim 4, is characterized in that, the printing condition of described silver slurry is: silk-screen, 150 object half tones, coating weight are 20 microns; Preferably, print the resistance value obtaining silver slurry line and be less than 0.05 Ω/mouth.
6. manufacture method according to claim 4, is characterized in that, the printing condition of described carbon slurry is: silk-screen, 80 object half tones, coating weight are 40 microns; Preferably, printing obtains the resistance value of carbon slurry line is 25k Ω/mouth.
7. manufacture method according to claim 1, is characterized in that, before the second side of PU film layer laminating a 2nd PET ground cloth, also performs following steps: for connect wire terminal wire connecting portion outside, use solid to fit comprehensively.
8. manufacture method according to claim 7, is characterized in that, uses before solid fits comprehensively, also carries out conservation treatment to described wire connecting portion.
9. an electrothermal cloth, it is characterized in that, comprise a PET ground layer of cloth, the PU film layer be arranged on the first side of a PET ground cloth, the 2nd PET ground layer of cloth, the 2nd PU film layer be arranged on the first side of the 2nd PET ground cloth, the silver slurry be printed on the second side of the 2nd PET ground cloth to starch with carbon and wire connecting portion for being connected wire terminal, wherein, the second side of PU film layer laminating a 2nd PET ground cloth.
10. electrothermal cloth according to claim 9, is characterized in that, adopt as arbitrary in claim 1 to 8 as described in manufacture method obtain.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104999754A (en) * | 2015-06-19 | 2015-10-28 | 深圳市宝莱盛导电印刷材料科技有限公司 | Electrostatic adsorption cloth and preparing method and application thereof |
| CN105415830A (en) * | 2015-11-10 | 2016-03-23 | 深圳市宝莱盛导电印刷材料科技有限公司 | Far-infrared radiation heating fabric with PTC (positive temperature coefficient) effect and preparation method and application of far-infrared radiation heating fabric with PTC effect |
| CN108882409A (en) * | 2018-06-20 | 2018-11-23 | 无锡格菲电子薄膜科技有限公司 | A kind of flexible waterproof washes Electric radiant Heating Film and preparation method thereof |
| WO2020016853A1 (en) | 2018-07-20 | 2020-01-23 | LMS Consulting Group | Thermal substrate with high-resistance magnification and positive temperature coefficient |
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| JPH08264262A (en) * | 1995-03-24 | 1996-10-11 | Matsushita Electric Ind Co Ltd | Planar heat generating body |
| CN1254248A (en) * | 1999-11-19 | 2000-05-24 | 北京化工大学 | Flexible rubber-plastic planar heating body and its preparation method |
| CN1663002A (en) * | 2002-06-19 | 2005-08-31 | 松下电器产业株式会社 | Flexible PTC heating element and method of manufacturing the heating element |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08264262A (en) * | 1995-03-24 | 1996-10-11 | Matsushita Electric Ind Co Ltd | Planar heat generating body |
| CN1254248A (en) * | 1999-11-19 | 2000-05-24 | 北京化工大学 | Flexible rubber-plastic planar heating body and its preparation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104999754A (en) * | 2015-06-19 | 2015-10-28 | 深圳市宝莱盛导电印刷材料科技有限公司 | Electrostatic adsorption cloth and preparing method and application thereof |
| CN105415830A (en) * | 2015-11-10 | 2016-03-23 | 深圳市宝莱盛导电印刷材料科技有限公司 | Far-infrared radiation heating fabric with PTC (positive temperature coefficient) effect and preparation method and application of far-infrared radiation heating fabric with PTC effect |
| CN108882409A (en) * | 2018-06-20 | 2018-11-23 | 无锡格菲电子薄膜科技有限公司 | A kind of flexible waterproof washes Electric radiant Heating Film and preparation method thereof |
| WO2020016853A1 (en) | 2018-07-20 | 2020-01-23 | LMS Consulting Group | Thermal substrate with high-resistance magnification and positive temperature coefficient |
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| CN104476890B (en) | 2016-08-17 |
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