CN205726475U - Carbon crystal electrothermo paper, use the extrusion coating paper of this electrothermal paper - Google Patents
Carbon crystal electrothermo paper, use the extrusion coating paper of this electrothermal paper Download PDFInfo
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- CN205726475U CN205726475U CN201620668883.8U CN201620668883U CN205726475U CN 205726475 U CN205726475 U CN 205726475U CN 201620668883 U CN201620668883 U CN 201620668883U CN 205726475 U CN205726475 U CN 205726475U
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 119
- 239000013078 crystal Substances 0.000 title claims abstract description 79
- 238000007765 extrusion coating Methods 0.000 title abstract 2
- 239000000463 material Substances 0.000 claims abstract description 45
- 238000010438 heat treatment Methods 0.000 claims abstract description 38
- 239000002184 metal Substances 0.000 claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 238000007731 hot pressing Methods 0.000 claims abstract description 17
- 238000005485 electric heating Methods 0.000 claims description 79
- 239000002131 composite material Substances 0.000 claims description 24
- 229920000877 Melamine resin Polymers 0.000 claims description 15
- 238000013329 compounding Methods 0.000 claims description 15
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 15
- 238000004026 adhesive bonding Methods 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000000123 paper Substances 0.000 abstract description 123
- 238000007639 printing Methods 0.000 abstract description 51
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 34
- 238000001035 drying Methods 0.000 description 31
- 238000000034 method Methods 0.000 description 15
- 239000003292 glue Substances 0.000 description 11
- 238000005520 cutting process Methods 0.000 description 10
- 229920000049 Carbon (fiber) Polymers 0.000 description 8
- 239000004917 carbon fiber Substances 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 238000007598 dipping method Methods 0.000 description 7
- 238000007602 hot air drying Methods 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000012528 membrane Substances 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
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- 239000003795 chemical substances by application Substances 0.000 description 4
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- 239000003575 carbonaceous material Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000012827 research and development Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 1
- 235000017060 Arachis glabrata Nutrition 0.000 description 1
- 244000105624 Arachis hypogaea Species 0.000 description 1
- 235000010777 Arachis hypogaea Nutrition 0.000 description 1
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- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
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- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
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- 229910052624 sepiolite Inorganic materials 0.000 description 1
- 235000019355 sepiolite Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
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Abstract
The utility model discloses a kind of carbon crystal electrothermo paper, it is with breathability paper as carrier, it is printed with the carbon ink heating layer being mixed by carbon crystal material and ink in the side of breathability paper, carbon ink heating layer is additionally provided with the metal current-carrying bar for forming electrothermal paper electrode；Breathability paper is additionally provided with the cementing layer suitable with carbon ink heating layer area.The invention also discloses a kind of carbon crystalline substance extrusion coating paper, including the first base material, carbon crystal electrothermo paper and the second base material, through " twice printing is also dried, hot pressing is combined, cut " directly form the carbon crystal heat cardboard with some strength and thickness after operation, this cardboard can be used for wall and warms up, on the fields such as floor heating, there is low cost, the advantage that production efficiency is high, due to carbon crystal electrothermo paper and the first of upper and lower both sides, two base materials are commaterial, there is the good compatibility, this material has good high temperature resistant property, high-temperature heating is indeformable repeatedly, therefore there is sound construction, safe and reliable advantage.
Description
Technical Field
The utility model belongs to electric heat-generating body equipment field especially relates to a carbon crystal electric heat paper who uses gas permeability paper as the carrier to and adopt the compound paper of above-mentioned electric heat paper.
Background
With the development of science and technology, traditional heating equipment such as floor heating and wall heating is slowly replaced by carbon material electrothermal films and carbon fiber electrothermal paper. However, the existing carbon material electrothermal film has the following problems: firstly, an external protective layer of the electrothermal film is processed by adhesion at the later stage, and due to the fact that the material of the protective layer is different from that of the electrothermal film, the situations of incompact pressing and dislocation are easy to occur, current leakage is caused, and the failure rate is increased; secondly, when the electric heating film diaphragms are superposed, faults occur due to overhigh local temperature, and great potential safety hazards exist; the electric spark is easily generated at the joint part of the metal current-carrying strip and the carbon crystal heating body on the electric heating film; the electric energy conversion rate still needs to be further improved.
For example, chinese patent application No. 201310312273.5 discloses a carbon fiber composite electric heating paper and a method for preparing the same, which is prepared from the following raw materials in parts by weight: 30-40 parts of carbon fiber, 100-120 parts of wood pulp, 3-4 parts of vinyltriethoxysilane, 3-4 parts of nano iron powder, 2-3 parts of polyvinyl acetate emulsion, 1-2 parts of sodium carbonate, 3-4 parts of sepiolite powder, 2-3 parts of vermiculite powder, 1-2 parts of zinc chloride, 1-2 parts of boric acid, 1-2 parts of sodium persulfate, 1-2 parts of rapeseed oil, 1-2 parts of peanut shell powder and 3-4 parts of modified mica powder. Although the above patent is compared with the traditional carbon fiber composite electric heating paper, the conductivity and stability of the paper are increased by adding the nano iron powder, and the problems of uneven resistance and uneven dispersion of carbon fibers in the paper, which are common in the existing carbon fiber paper, and uneven heating caused by the uneven dispersion of the carbon fibers in the paper are solved, the research and development focus of the paper is on thoroughly improving the paper pulp raw material, so that the problems of overhigh manufacturing cost, low production efficiency and the like exist.
The applicant is a decorative paper research and development and manufacturing enterprise, and when researching and developing a carbon crystal heating body to be introduced into decorative paper and a decorative plate, the following findings are found: for carbon fiber electric heat paper, the carbon material electric heat membrane receives the favor of numerous vendors with low costs, the advantage that production efficiency is high, therefore the brilliant heating element of carbon that commonly exists on the current market uses the membrane to be the brilliant electric heat membrane of carbon of carrier mostly, but research and development personnel discover when combining together electric heat membrane and decorative paper and form wallboard or floor, because the electric heat membrane is different with the material of decorative paper, both very easily take place to break away from under the high temperature, not only influence consumer's normal use, and leave very big potential safety hazard.
In view of this, how to design a carbon crystal electric heating element suitable for decorative paper or decorative board to satisfy the requirements of people for stable structure, safety, reliability and low cost has become a problem to be solved by ordinary technicians in the field.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above problems, one of the objectives of the present invention is to provide a novel carbon crystal electric heating body, which uses paper as the carbon crystal electric heating paper of the carrier, and solves the problems of easy separation of the existing electric heating film and decorative paper at high temperature, affecting the service life of the product, and reducing the production cost.
The second purpose of the utility model is to provide a carbon crystal composite paper, solve the problem that the existing product is not firmly combined, the reliability is not strong, and there is serious potential safety hazard.
The utility model provides a technical scheme that its technical problem adopted is:
a carbon crystal electric heating paper takes air-permeable paper as a carrier, a carbon ink heating layer made of carbon crystal materials and ink in a mixed mode is printed on one side of the air-permeable paper, and a metal current carrying strip used for forming an electric heating paper electrode is further arranged on the carbon ink heating layer. And a cementing layer matched with the carbon ink heating layer is also arranged on the breathable paper. In addition, the area of the cementing layer is equal to the area of the carbon ink heating layer, and through repeated tests, the area proportion is suitable for fully cementing with the upper and lower base materials of the composite paper, so that the cementing part is not separated after being heated. Even if the electric heating paper is not dipped in glue and only compounded by a hot press in the preparation process, the combination between the electric heating paper and the upper and lower base materials can be ensured. Of course, the area of the bonding layer can be adjusted according to the magnitude of the bonding force during design, and the method is not limited to the case of equal area.
As a specific embodiment of the utility model, the cementing layer and the carbon black layer that generates heat are rectangular shape to interval arrangement has the multiunit on the gas permeability paper.
As an embodiment of the present invention, the breathable paper is made of melamine, but other high temperature resistant materials can be used, and are not limited by the specific materials. The metal current-carrying strip is made of copper paste or silver paste.
The carbon crystal electric heating composite paper comprises a first substrate, the carbon crystal electric heating paper and a second substrate which are sequentially overlapped from top to bottom. A first gluing part is arranged between the first base material and the carbon crystal electric heating paper, and a second gluing part is arranged between the carbon crystal electric heating paper and the second base material. Preferably, the first gluing part and the second gluing part are formed by hot pressing melamine glue. As a further improvement of the utility model, the first base material and the second base material are formed by compounding one or a plurality of pieces of melamine paper through a hot press. The purpose of this arrangement is to select the number of sheets of the first and second substrates by the size of the composite paper required. Preferably, the first substrate, the second substrate and the carbon crystal electric heating paper are made of the same material.
The subject of the preparation method of the carbon crystal electric heating composite paper comprises the following steps:
firstly, mounting air-permeable paper on a printing machine, and then respectively mounting the mixture of carbon crystal powder and printing ink and metal slurry in the designated ink tanks of two groups of printing machines; and then starting the two groups of printing machines, and finishing debugging after setting the rotating speed of the printing machines, the tension of the printing rollers and the drying temperature.
Printing the carbon ink heating layer on the air-permeable paper by a first group of printing machines, and drying the carbon ink by a first group of drying machines.
Thirdly, printing metal current-carrying strips on the air-permeable paper by a second group of printers, and then drying the metal current-carrying strips by a second group of dryers to obtain the carbon crystal electric heating paper.
And fourthly, stacking the preset second base material, the carbon crystal electric heating paper and the first base material in sequence, and conveying the stacked base materials to the specified position of the hot press through a conveying belt for hot-press compounding.
In order to cut a large piece of carbon crystal electric heating paper printed twice according to a preset size, the step (c) is followed by a step of cutting the carbon crystal electric heating paper. When the electric heating paper is cut, the electric heating paper is precisely cut according to the color matching marks left at the edge of the electric heating paper in the printing process, so that carbon paths and circuits on the electric heating paper can be effectively prevented from being damaged due to improper cutting.
When the area of the carbon ink heating layer is equal to the area of the cementing layer, the gum dipping procedure is not needed, and the carbon crystal electric heating paper is directly placed on the hot press for composite molding after the two times of printing are finished. However, when the area of the carbon ink heating layer is significantly larger than the area of the bonding layer in the preset process, the bonding force of the first substrate, the carbon crystal electric heating paper and the second substrate needs to be further increased, so that the method further comprises the steps of immersing the carbon crystal electric heating paper into melamine glue and drying before the slitting step. The specific operation is carried out according to the following steps: debugging preparation → two times of printing → gumming → cutting → hot pressing and compounding. Wherein, the mixture of the carbon crystal powder and the printing ink in the ink tank and the metal slurry are in a normal temperature state during printing, the first and the second groups of drying machines are hot air drying machines, and the starting speed of the printing machine can reach 200m/min at most. The tension of the plate roller is not suitable to be too large in the impregnation link so as to prevent excessive stretching.
And further cutting in the length direction according to the preset size after the hot-press compounding.
Compared with the prior art, the utility model, its advantage lies in:
the utility model discloses well brilliant electric paper original creation uses the gas permeability paper as the carrier, successively prints carbon ink layer and metal current-carrying strip that generates heat on the gas permeability paper, sets up the cementing layer that the layer area is equivalent with carbon ink around the layer that generates heat at carbon ink after that to guarantee the cohesion between brilliant paper and first substrate, the second substrate that generates heat of carbon. Because the air-permeable paper, the first base material and the second base material are made of paper materials, the electric heating film has good compatibility, and the defect that the traditional electric heating film is easily separated from the first base material and the second base material in a high-temperature environment is greatly avoided. The breathable paper is preferably melamine paper, and the high temperature resistance and the fire resistance of the carbon crystal electric heating paper can be further improved. Preferably, the preparation process comprises the steps of debugging preparation, printing and drying twice, gum dipping and drying, hot-pressing compounding and slitting, and can realize one-time batch production through assembly line operation, so that the production efficiency is greatly improved. In addition, the carbon crystal electric heating composite paper of the utility model has significant cost advantage and high production efficiency compared with any heating equipment on the market.
The utility model provides a brand-new brilliant electric heat composite paper of carbon, it uses paper as the carrier, directly forms the brilliant cardboard that generates heat of carbon that has certain intensity and thickness after "twice printing and stoving, hot pressing are compound, cut" process, and this cardboard can be used to the wall warm, warm up fields such as, has reduced complicated manufacturing procedure such as follow-up assembly, has with low costs, advantage that production efficiency is high. And because the middle carbon crystal electric heating paper and the first and second base materials on the upper and lower sides are made of the same material, the material has good compatibility, and the material has good high-temperature resistance, does not deform after repeated high-temperature heating, and has stable physical properties. The utility model discloses sound construction, safe and reliable even also can guarantee good cohesion and do not take place to break away from under high temperature environment.
The present invention will be described in more detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a cross-sectional view of the medium carbon crystal electric heating paper of the present invention.
Fig. 2 is a front view of the medium carbon crystal electric heating paper of the present invention.
Fig. 3 is a cross-sectional view of the medium carbon crystal electric heating composite paper of the present invention.
Fig. 4 is a flowchart of a method for manufacturing the carbon crystal electric heating composite paper in example 3.
Fig. 5 is a flowchart of a method for manufacturing the carbon crystal electric heating composite paper in example 4.
Fig. 6 is a schematic view of the apparatus for two printing and drying steps, wherein the arrows indicate the direction of the hot air.
FIG. 7 is a schematic view of the apparatus in the steps of dipping and drying, wherein the arrow indicates the direction of hot air.
In the figure, 101, a first substrate; 102. carbon crystal electric heating paper; 103. a second substrate; 104. a first gluing part; 105. a second gluing part; 1. a breathable paper sheet; 2. a carbon ink heating layer; 3. a metal current carrying strip; 4. a cementing layer; 5. a first set of printing presses; 6. a first set of dryers; 7. a second set of printers; 8. a second set of dryers; 9. a hot air drying oven; 10. a first glue dipping tank; 11. and a second glue dipping pool.
Detailed Description
In the case of the example 1, the following examples are given,
referring to fig. 1 to 2, a carbon crystal electric heating paper 102 uses an air permeable paper 1 as a carrier, a carbon ink heating layer 2 made of a carbon crystal material mixed with ink is printed on one side of the air permeable paper 1, a metal current carrying strip 3 for forming an electrode of the electric heating paper is further disposed on the carbon ink heating layer 2, and a cementing layer 4 adapted to the carbon ink heating layer 2 is further disposed on the air permeable paper.
Wherein, the area of the carbon ink heating layer 2 is equal to the area of the cementing layer 4. Carbon black generates heat layer 2 and cementing layer 4 and all is rectangular shape, and has the multiunit at interval arrangement on gas permeability paper 1. The air-permeable paper 1 is made of melamine material, and the metal current-carrying strip 3 is made of copper paste or silver paste.
In the case of the example 2, the following examples are given,
referring to fig. 3, a carbon crystal electric heating composite paper includes the carbon crystal electric heating paper 102 described in embodiment 1, a first substrate 101 disposed above the carbon crystal electric heating paper, and a second substrate 103 disposed below the carbon crystal electric heating paper. A first gluing part 104 is arranged between the first base material 101 and the carbon crystal electric heating paper 102, and a second gluing part 105 is arranged between the carbon crystal electric heating paper 102 and the second base material 103.
The first base material 101 and the second base material 103 are both formed by compounding one or more pieces of melamine paper through a hot press. The first gluing part 104 and the second gluing part 105 are formed by hot pressing melamine glue.
In the case of the example 3, the following examples are given,
referring to fig. 4, a method for preparing carbon crystal electric heating composite paper includes steps of preparing, printing and drying for the first time, printing and drying for the second time, hot-pressing and compounding, and cutting. In particular, the method comprises the following steps of,
preparing for debugging: firstly, the air-permeable paper is installed on the printing roller of the printing machine, and then the mixture of the carbon crystal powder and the printing ink at normal temperature and the metal slurry are respectively installed in the designated ink tanks of the two groups of printing machines. The first group of printers are used for printing the carbon ink heating layer, and the second group of printers are used for printing the metal current carrying strip. The starting speed of the two sets of printers was set to 200 m/min. And then, heating the dryers at the rear ends of the two sets of printing machines to 150-200 ℃ to finish debugging.
Printing and drying for one time: the carbon ink heating layer is printed on the air-permeable paper through the first group of printing machines, and then the carbon ink is dried through the first group of drying machines so as to remove moisture in the ink as soon as possible.
Thirdly, secondary printing and drying: and printing the metal current-carrying strip on the breathable paper by a second group of printing machines, drying the metal current-carrying strip by a second group of drying machines, and removing moisture on the metal current-carrying strip as soon as possible to obtain the carbon crystal electric heating paper.
Fourthly, hot-pressing and compounding: the second base material, the carbon crystal electric heating paper and the first base material which are well preset are sequentially stacked together and are conveyed to the designated position of a hot press through a conveying belt to be subjected to hot pressing compounding, the pressure requirement of the hot press is 1600-2000 t, and the hot pressing temperature is 100-180 ℃.
Cutting: and cutting the carbon crystal composite paper subjected to composite forming according to the specified size.
In the case of the example 4, the following examples are given,
referring to fig. 5, a method for preparing carbon crystal electric heating composite paper includes steps of preparing for debugging, printing and drying for the first time, printing and drying for the second time, dipping and drying, slitting for the first time, hot-pressing and compounding, and slitting for the second time. Wherein,
preparing for debugging: firstly, the air-permeable paper is installed on the printing roller of the printing machine, and then the mixture of the carbon crystal powder and the printing ink and the metal slurry are respectively installed in the designated ink tanks of the two groups of printing machines. Wherein, the first group of printers 5 is used for printing the carbon ink heating layer, and the second group of printers 7 is used for printing the metal current carrying strip. Setting the starting speeds of the two groups of printing machines to be 200m/min, then heating the drying machines at the rear ends of the two groups of printing machines to be 150-200 ℃, then setting the starting speed of the gumming coater to be 40-50 m/min, and finally setting the temperature of a drying box in a gumming link to finish debugging.
Printing and drying for one time: the carbon ink heating layer is printed on the air-permeable paper by the first group of printing machines 5, and then the carbon ink is dried by the first group of drying machines so as to remove moisture in the ink as soon as possible. Preferably, two dryers are arranged on the left and right of the first group of dryers 6, the breathable paper 1 printed with the carbon ink heating layer is positioned between the two dryers, the breathable paper 1 moves from bottom to top under the traction of the plate roller, the first group of dryers 6 is a hot air type dryer, the hot air direction of the hot air type dryer is perpendicular to the movement direction of the breathable paper 1 in a left-right opposite blowing mode, please refer to fig. 6.
Thirdly, secondary printing and drying: and printing a metal current-carrying strip on the air-permeable paper 1 through a second group of printing machines 7, drying the metal current-carrying strip by a second group of drying machines 8, and removing moisture on the metal current-carrying strip as soon as possible to obtain the carbon crystal electric heating paper. Preferably, two dryers are arranged on the left and right of the second group of dryers 8, the breathable paper 1 with the printed metal carrier strip is located between the two dryers, the breathable paper moves from bottom to top under the traction of the plate roller, the second group of dryers 8 are hot air dryers, the hot air direction of the dryers is perpendicular to the movement direction of the breathable paper 1 in a left-right opposite blowing mode, specifically, the dryers on the left side blow out hot air to the right, and the drying boxes on the right side blow out hot air to the left, please refer to fig. 6.
Soaking in glue and drying: the process can be carried out in four steps, wherein in the first step, the carbon crystal electric heating paper in the third step is immersed into a mixed solution consisting of melamine glue, a curing agent and a penetrating agent, so that the melamine glue can be fully immersed into the carbon crystal electric heating paper in a very short time. And secondly, preliminarily drying the moisture on the upper side and the lower side of the carbon crystal electric heating paper by hot air through a hot air drying box and hot air up and down opposite blowing. And thirdly, soaking the dried carbon crystal electric heating paper into a mixed solution consisting of melamine glue, a curing agent and a release agent to prevent the melamine glue from being bonded on a pressing plate of a hot press in subsequent hot-pressing compounding. And fourthly, further drying the moisture on the upper side and the lower side of the carbon crystal electric heating paper by the integrated hot air drying box through the upward and downward opposite blowing of hot air.
Referring to fig. 7, the hot air drying boxes 9 in the second step and the fourth step are arranged at intervals from top to bottom, the carbon crystal electric heating paper 102 after being dipped is located at the middle position and moves forward under the traction of the plate roller, the hot air drying box 9 at the upper part blows hot air downwards, the hot air drying box 9 at the lower part blows hot air upwards, and the carbon crystal electric heating paper 102 after being dipped is suspended at the middle position under the action of two hot air streams.
Primary slitting: the carbon path and the circuit on the electric heating paper can be effectively prevented from being damaged due to incomplete cutting by performing precise cutting according to the color matching marks left on the edge of the electric heating paper in the printing process. In the gum dipping process, the carbon crystal electric heating paper is inevitably stretched to a certain degree, so that the electric heating paper needs to be cut once before hot-pressing compounding.
Sixthly, hot-pressing and compounding: the second base material which is preset, the carbon crystal electric heating paper which is cut and the first base material are sequentially stacked together, and are conveyed to the designated position of a hot press through a conveying belt to be subjected to hot pressing compounding, wherein the pressure requirement of the hot press is 1600-2500 t, and the hot pressing temperature is 100-180 ℃.
And seventhly, secondary slitting: and cutting the carbon crystal composite paper subjected to composite forming according to the specified size.
It is right only to the above-mentioned preferred embodiment of the utility model discloses a not right the utility model discloses a scope is injectd, so under the prerequisite that does not deviate from the design spirit the utility model discloses a structure, characteristic and principle do equivalent change or decoration, like change carbon ink layer and metal current-carrying strip's printing order etc. all should fall into the protection scope of the utility model.
Claims (7)
1. A carbon crystal electric heating paper is characterized in that: the carbon crystal electric heating paper takes air-permeable paper as a carrier, a carbon ink heating layer made of carbon crystal materials and ink in a mixed mode is printed on one side of the air-permeable paper, and a metal current carrying strip used for forming an electric heating paper electrode is further arranged on the carbon ink heating layer; and a cementing layer matched with the carbon ink heating layer is also arranged on the breathable paper.
2. The carbon crystal electric heating paper as set forth in claim 1, wherein: the area of the carbon ink heating layer is equal to that of the cementing layer.
3. The carbon crystal electric heating paper as set forth in claim 1, wherein: the breathable paper is made of melamine material; the metal current carrying strip is made of copper paste or silver paste.
4. The carbon crystal electric heating paper according to any one of claims 1 to 3, wherein: the carbon ink heating layer and the cementing layer are both strip-shaped, and multiple groups are arranged on the breathable paper at intervals.
5. A carbon crystal electric heating composite paper is characterized in that: the carbon crystal electric heating paper comprises a first substrate, the carbon crystal electric heating paper as claimed in any one of claims 1 to 4 and a second substrate which are sequentially laminated from top to bottom; a first gluing part is arranged between the first base material and the carbon crystal electric heating paper, and a second gluing part is arranged between the carbon crystal electric heating paper and the second base material.
6. The carbon crystal electric heating composite paper as claimed in claim 5, wherein: and the first base material and the second base material are both formed by compounding one or more pieces of melamine paper through a hot press.
7. The carbon crystal electric heating composite paper as claimed in claim 5, wherein: the first gluing part and the second gluing part are formed by hot pressing melamine gummed paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105307299A (en) * | 2015-10-23 | 2016-02-03 | 黄山金菱新材料有限公司 | Carbon crystal electric heating paper, compound paper by adopting electric heating paper and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105307299A (en) * | 2015-10-23 | 2016-02-03 | 黄山金菱新材料有限公司 | Carbon crystal electric heating paper, compound paper by adopting electric heating paper and preparation method thereof |
| CN105307299B (en) * | 2015-10-23 | 2018-08-14 | 黄山金菱新材料有限公司 | Carbon crystal electrothermo paper, the extrusion coating paper using the electrothermal paper |
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