WO2012148126A2 - Composition d'élément chauffant plan ayant un coefficient de température spécifique de résistance et élément chauffant plan l'utilisant - Google Patents

Composition d'élément chauffant plan ayant un coefficient de température spécifique de résistance et élément chauffant plan l'utilisant Download PDF

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Publication number
WO2012148126A2
WO2012148126A2 PCT/KR2012/002988 KR2012002988W WO2012148126A2 WO 2012148126 A2 WO2012148126 A2 WO 2012148126A2 KR 2012002988 W KR2012002988 W KR 2012002988W WO 2012148126 A2 WO2012148126 A2 WO 2012148126A2
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WO
WIPO (PCT)
Prior art keywords
heating element
planar heating
element composition
temperature
resistance
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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.)
Ceased
Application number
PCT/KR2012/002988
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English (en)
Korean (ko)
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WO2012148126A3 (fr
Inventor
김병철
이고르 유리예비치쉘레호프
니콜라이 아카디예비치이바노프
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PNU Eco Energy Co Ltd
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PNU Eco Energy Co Ltd
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Publication date
Application filed by PNU Eco Energy Co Ltd filed Critical PNU Eco Energy Co Ltd
Publication of WO2012148126A2 publication Critical patent/WO2012148126A2/fr
Publication of WO2012148126A3 publication Critical patent/WO2012148126A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • 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 [2D] plane, e.g. plate-heater

Definitions

  • the present invention relates to a planar heating element composition and a method of manufacturing the planar heating element using the same, and more particularly, having a heat generating function due to the supply of power, a temperature planar heating element composition having a specific resistance temperature coefficient of the temperature control component and a planar shape using the same It relates to a method for producing a heating element.
  • planar heating element which is recently emerging, is a product which reduces power by 20 to 40% than the electric heating element that is generally used, and is expected to have a large electric energy saving and economic ripple effect.
  • the planar heating element is easy to control the temperature by using the radiant heat generated by the electric current, it does not pollute the air has advantages in terms of hygiene and noise has been used for bedding, such as heating mats and pads.
  • it is widely used for heating of floors of houses, industrial heating of offices and workplaces, heating devices in various industrial fields such as painting and drying, vinyl houses, barns, agricultural equipment, automobile back mirrors, freezing prevention devices for parking lots, cold protection equipment for leisure, home appliances, etc. It is used.
  • the planar heating element is mainly composed of a metal heating element etched a thin metal plate such as iron, nickel, chromium, platinum, and non-metal heating element such as silicon carbide, zirconium, carbon.
  • a metal heating element etched a thin metal plate such as iron, nickel, chromium, platinum, and non-metal heating element such as silicon carbide, zirconium, carbon.
  • Multilayer heating elements in the form of layered products with conductive layers on both sides insulated with insulating layers are well known. It also has a heat reflecting layer of metal or metal polymer film on one side of the surface of the heating element.
  • the conductive layer is made based on coal-fiber paper, and the insulating layers are known to be made of thermoplastic polymer film material.
  • a conductive layer of element carbon, graphite, and modified phenolformaldehyde resin is formed to form a resistance element in a manner that is infiltrated with the insulation in the insulating substrate. It is coated with an absorbent layer of epoxy or epoxyphenol or phenolformaldehyde binder to form an insulating coating and all layers are pressurized at the appropriate temperature, time and pressure.
  • the resistive element is separated together with similar resistive elements before application of a resistive coating thereon and in a separate form at 130-140 ° C. Heat-cure (cure) for 10-12 minutes per millimeter of lamination thickness.
  • planar heating element was not easy to control the temperature accurately, and even after rising to a constant boiling point temperature, the same power supply was continuously maintained at the boiling temperature, resulting in excessive energy loss. Therefore, there is a need for a technology that enables easy control of a specific temperature range while not only applying a specific electric power among the planar heating elements, but also using power efficiency.
  • the present invention is to solve the problems of the prior art, it is possible to precisely control the temperature in a specific temperature range according to the composition ratio of the material and the heat loss is less power consumption and the surface heating element having a specific resistance temperature coefficient of the temperature control component It is an object to provide a composition.
  • the resistance temperature coefficient is 560 ⁇ 10. -6 To 40 ⁇ 10 -4 It provides a planar heating element composition that is / °C.
  • planar heating element comprising a; electrode formed on the heating layer.
  • planar heating element composition according to the present invention can provide a planar heating element capable of precise temperature control in a specific temperature range according to the composition ratio of the material, and self-control of power and temperature over time to ensure stability.
  • planar heating element of the present invention can be manufactured in a form that is applied to the substrate, the structure is very simple and excellent heat generation compared to the existing heating element products, the efficiency of the heat dissipated to the surroundings is excellent.
  • Example 1 is a view showing the temperature control effect according to Example 1 and Comparative Example 1 of the present invention.
  • Figure 2 shows the results of the power test according to an embodiment of the present invention.
  • Figure 4 shows the results of the temperature change experiment according to an embodiment of the present invention.
  • the present invention is composed of (A) insulation binder component, (B) resistance component and (C) temperature control component, and the resistance temperature coefficient is 560 ⁇ 10. -6 To 40 ⁇ 10 -4 It provides a planar heating element composition that is / °C.
  • This resistance temperature coefficient represents the resistance change in the resistor material as a function of temperature. While not necessarily a linear relationship, positive values refer to materials whose resistance properties increase or decrease in proportion to rising or falling temperatures, whereas negative values refer to materials whose resistance properties change in inverse proportion to temperature changes. Point to.
  • the distance between the resistive particles will also increase, so the resistance will generally decrease.
  • the conductivity will generally increase because the distance between each particle will generally be smaller.
  • the resistance temperature coefficient is generally directly related to the coefficient of thermal expansion ('CTE') of the insulating binder.
  • 'CTE' coefficient of thermal expansion
  • Certain insulating binders not only have relatively high CTE, but can also provide other physical properties (eg, thermal, mechanical and / or chemical stability) useful for any use of the present invention.
  • the (A) insulating binder component can be used for a conventional planar heating element, for example, phenol-based, amide-based, polyester-based, epoxy-based, polyvinyl alcohol-based, polyvinyl butyral-based, polyimide And polyetherimide, polycarbonate, polysulfone, polyether, polyether ketone, urethane, rubber chloride, acrylic, vinyl chloride, nitrocellulose, and acetylcellulose.
  • fluoropolymers examples include polytetrafluoroethylene (PTFE), tetrafluoroethylene hexafluoropropylene copolymer (FEP), tetrafluoroethylene perfluoroalkylvinylether copolymer (PFA, non-limiting examples): Tetrafluoroethylene perfluoromethylvinylether copolymer, tetrafluoroethylene perfluoroethylvinylether copolymer), tetrafluoroethyleneperfluoropropylvinylether copolymer), ethylene tetrafluoroethylene copolymer (ETFE) , Ethylene chlorotrifluoroethylene copolymer (ECTFE) and polyvinylidene fluoride (PVDF) and the like can be optionally used.
  • PTFE polytetrafluoroethylene
  • FEP tetrafluoroethylene hexafluoropropylene copolymer
  • PFA
  • the content of the insulating binder component is preferably 5 to 28% by weight, and the content of the insulating binder component is less than 5% by weight, which is not preferable because the bonding strength of the composition is lowered. It is not preferable because the composition content of the composition is small and the exothermic performance is lowered.
  • the resistive composition is preferably a mixture of nickel and aluminum.
  • one or more calibration components selected from molybdenum (Mo), boron (B), and silicon (Si) may be further included.
  • the calibration component can be said to be a stabilizer in the form of a nanostructured powder to stabilize the parameters. It is preferable that the specific surface area of such a stabilizer is 200 m ⁇ 2> / g or less. At this time, the formation time of the structure is shortened, and the content used may be 0.4 to 0.6% by weight of the composition content. At this time, stability of resistance temperature coefficient change does not change even after long-term use.
  • the content of the (B) resistance component is preferably 46 to 75% by weight.
  • the content of the resistive component is less than 46% by weight, it is not preferable to realize the exothermic performance of the heating element, and when it exceeds 75% by weight is not preferable because the stability of temperature control is lowered.
  • the content of the component for correcting this in the resistive component is preferably 1/10 to 1/100 at%.
  • Calibration here can be understood as an additive which is added in order to further improve the effect of the resistive component.
  • the resistance component determines the base level of the relative resistance and the resistance temperature coefficient, while the calibration components of the molybdenum and boron additives change the relative resistance value.
  • the change in the resistance temperature coefficient is controlled by changing the dispersion value of the particle component from 0.5 to 5.0 mu m, which is determined by the preparation time in the ball mill. It is controlled by PSK-12, an instrument that measures relative surfaces by air permeation.
  • (C) plays a role in controlling the planar heating element up to 30 ⁇ 450 °C in the state energized through the temperature control component.
  • a specific substance should be included in an appropriate amount to prevent overheating of the heating element and to contribute to proper power consumption.
  • the temperature control component is preferably at least one oxide selected from the group consisting of silicon oxide, aluminum oxide, boron oxide, barium oxide.
  • the temperature controlling component (C) may use a lead-free glass powder mixture, and may include, for example, SiO 2 -BaO-B 2 O 3 -Al 2 O 3 .
  • the content of the regulative composition is preferably 10 to 40% by weight. If the content of the temperature control component is less than 10% by weight, it is not sufficient to realize the function of adjusting to a specific temperature, and if it exceeds 40% by weight, the content of other components such as the resistance component is too small. Can not do it.
  • Temperature control components are produced in a closed space of planetary ball mills for 6 to 10 hours without the ingress of oxygen.
  • the particle diameter of the particles is preferably determined within the range of 0.1 to 1.0 ⁇ m.
  • heating elements having various resistance temperature coefficients can be obtained in a wide range of resistivity.
  • the content of lead-free glass added to the control component determines the level at which it begins to affect the general properties of the heating element, the amount of which is determined empirically for each resistive component.
  • the planar heating element composition according to the present invention is an alcoholic solvent such as methyl alcohol, ethyl alcohol, isopropyl alcohol, butanol, benzene, xylene, texanol, ethylene glycol, butyl carbitol, ethyl cellosolve, glycerol, dimethyl sulfoxide , N-methylpyrrolidone (NMP), dimethylacetamide (DMAc), N, N'-dimethyl-formamide (DMF), dimethyl sulfoxide (DMSO), tetramethylurea (TMU), diethylene glycol diethyl Ether, 1,2-dimethoxyethane (monoglyme), diethylene glycol dimethyl ether (diglyme), 1,2-bis- (2-methoxyethoxy) ethane (triglyme), bis [2- (2 -Methoxyethoxy) ethyl)] ether (tetraglyme), gamma-butyrol
  • planar heating element composition according to the present invention may be used by further adding a dispersant, a thickener, an accelerator, an antifoaming agent, a leveling agent, an antioxidant, and the like.
  • the dispersant may use at least one selected from the group consisting of urethane, acrylic, phosphorus, organic acid salts and inorganic acid salts.
  • the thickener is to increase the viscosity on the paste for the processability, such as coating properties in the manufacturing of the planar heating element, which is selected from the group consisting of cellulose-based, polyacrylamide-based, polyurethane-based, polysaccharide-based and copolymers thereof
  • the cellulose-based may include methyl cellulose, hydroxy ethyl cellulose, hydroxy propyl cellulose, and the like
  • the polyacrylamide-based polyacrylamide and copolymers thereof may be exemplified.
  • the polyurethane-based may include polyurethane, polyurethane-acryl, and a combination thereof.
  • the polysaccharide-based may include biopolymers such as wellan gum and curdlan.
  • Accelerators are tributyl tin acetate (TBTA), tributyl tin oxide (TBTO), triethanol amine (TEA), triisopropanol amine (TIA), 2-amino-1-propanol (APP), 2-amino-1-propanol (APT), 2-amino-2-methyl-1-propanol (AMP), dimethyl amino pyridine (DMAP), triphenyl phosphite (TPPI), pyridine, t-butyl aminoethyl methacrylate (BM-615), Isoquinolinecarbonitrile, 1-isoquinolinecarboxylic acid, isoquinoline, 5-isoquinoline sulfonic acid, 2,4-hydroxybenzoic acid, 4-hydroxybenzoic acid, 4-hydroxyphenylacetic acid, and 2-hydroxyisoquinoline It may be selected from the group consisting of.
  • a hot plate, a heating film, a heating cable, a cooking heater, and the like can be manufactured, and in addition, various types of applications can be manufactured.
  • the planar heating element generates heat when a voltage is applied to the electrode.
  • a uniform heating temperature is distributed over the entire surface of the heating element, and resistance is constant, thereby generating a constant heating temperature. It is applicable to all industrial fields where heating element is used. In addition, it is more durable than conventional copper heating wire and carbon planar heating element.
  • planar heating element composition according to the present invention can be usefully used as a material of the heating element that generates heat by applying power.
  • the planar heating element composition according to the present invention may be prepared as a heating element of a plate-like sheet or a molded body having a three-dimensional shape, and preferably may be applied as a heating layer of the planar heating element according to the present invention described below.
  • Planar heating element according to the present invention is a substrate; An exothermic layer formed on the substrate using the planar heating element composition; And an electrode formed in the heating layer.
  • Planar heating element formed using the composition according to the invention is characterized in that the temperature is controlled to a maximum 30 ⁇ 450 °C in the energized state.
  • the heat capacity of the water supplies power similarly to the nonlinear curve. This can reduce the loss of the amount of power supplied by about 40% energy can be reduced by significantly reducing the heat loss compared to supplying the same amount of power until the water boils the conventional planar heating element products.
  • the method of manufacturing the planar heating element will be described in more detail.
  • the method of preparing a base material and the method of manufacturing the planar heating element may include: forming a paste by mixing a binder including an insulating binder, a resistance component, and a control component;
  • the paste may be applied to a substrate, and may be manufactured through a process including an electrode forming step of forming an electrode after the applying step.
  • the substrate is flexible, and may be selected from a synthetic resin film, a fiber sheet, or paper.
  • the synthetic resin film is PE (polyethylene), PP (polypropylene), PS (polystyrene), PC (polycarbonate), PA (polyamide), PET (polyethylene terephthalate), PU (polyurethane) or fluorine resin And a foamed sheet thereof (foamed PS sheet or the like).
  • the fiber sheet includes a woven fabric and a nonwoven fabric made from natural fibers or synthetic fibers.
  • various methods such as screen printing, roll, gravure, knife, spraying, and immersion coating may be used, and it is preferable to apply the paste using screen printing.
  • the electrode may be made of a single metal or alloy selected from the group consisting of aluminum, silver, gold, iron, platinum, copper, and the like, and the electrode may be attached after being cut into a strip or by being cut to a predetermined width. Can be.
  • the electrode may be laminated on the heating layer (or deposited) or included in the heating layer.
  • the composite paste After the composite paste has been applied, it is heat-treated in a conveyor furnace that emits infrared rays for 8 to 12 minutes at 130 to 160 ° C, and then for 10 to 30 minutes at 170 to 200 ° C. Then conductive paths are fabricated, which may be any of known methods, including screen printing.
  • the heating elements are then coated with a polyethylene terephthalate film and bonded to each other by thermal compression.
  • the power supply to the heating element can be made in a mechanical manner, by peeling off the protective film at the location of the conductive passage.
  • the low temperature paste composition prepared in Examples 1 to 10 was applied to polyethylene terephthalate and heat treated at 140 ° C. for 10 minutes in a conveyor furnace with infrared rays, and then heat treated at 180 ° C. for 20 minutes. Next, after the heat treatment, the electrode was brought into close contact with the screen printing method to prepare a planar heating element.
  • the AC was applied for 1 minute and the exothermic temperature was measured using the non-contact temperature.
  • Table 1 shows the temperature, specific resistance, and resistance temperature coefficient of the planar heating element using Examples 1 to 10.
  • Example 1 Heating element temperature (°C) Resistivity ( ⁇ / Square) Resistance temperature coefficient (/ °C)
  • Example 1 67 0.1 74 ⁇ 10 -5
  • Example 2 63 0.3 69 ⁇ 10 -5
  • Example 3 56 0.4 95 ⁇ 10 -5
  • Example 4 59 0.2 80 ⁇ 10 -5
  • Example 5 54 0.1 86 ⁇ 10 -5
  • Example 6 52 0.8 98 ⁇ 10 -5
  • Example 7 60 0.2 78 ⁇ 10 -5
  • Example 8 61 0.3 65 ⁇ 10 -5
  • Example 9 54 0.1 68 ⁇ 10 -5
  • Example 10 63 0.7 75 ⁇ 10 -5 Comparative Example 1 65 1.3 90 ⁇ 10 -7
  • the temperature range was changed in the range of 52 to 67 ° C., and the specific resistance was 0.09 to It was measured as 0.9 ⁇ / square and the resistance temperature coefficient was measured to be 65 ⁇ 10 ⁇ 5 to 95 ⁇ 10 ⁇ 5 .
  • Example 1 and Comparative Example 1 was carried out a self-regulation effect, power experiment, impedance, temperature control experiment, the results are shown in Figures 1 to 4.
  • 1 is a view showing the temperature control effect according to Example 1 and Comparative Example 1 of the present invention.
  • the member number 1 shows a temperature rise curve according to Comparative Example 1 without the control component added
  • the member number 2 shows a temperature rise curve according to Example 1 with the control component added. 1 shows that the planar heating element composition according to the present invention exhibits a self-regulation effect.
  • the temperature is similarly increased in Example 1 and Comparative Example 1.
  • the resistance value (impedance) increases with time, and thus the power usage decreases.
  • Comparative Example 1 the impedance is almost constant and the power consumption is almost constant. Therefore, the planar heating element according to the present invention can increase the resistance value with time to reduce the power consumption, and the power and temperature self-regulation with time is possible due to the increase of the resistance value (material characteristics). You can see that.

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  • Surface Heating Bodies (AREA)

Abstract

L'invention concerne une composition d'élément chauffant plan comprenant : (A) un composant liant isolant ; (B) un composant résistant ; et (C) un composant d'ajustement de température, la composition d'élément chauffant plan ayant un coefficient de température de résistance de 560×10-6-40×10-4℃. La composition d'élément chauffant plan de la présente invention permet un ajustement de température précis dans une zone de température spécifique selon le rapport de composition d'une substance et permet une régulation autogène de l'alimentation électrique et de la température en fonction du temps, fournissant ainsi un élément chauffant plan stable. Egalement, l'élément chauffant plan de la présente invention peut être fabriqué sous la forme d'un revêtement sur une matière de base, étant ainsi de structure très simple et ayant une excellente caractéristique exothermique et irradiant moins de chaleur dans l'environnement par comparaison avec un élément chauffant classique, permettant ainsi une excellente efficacité.
PCT/KR2012/002988 2011-04-26 2012-04-19 Composition d'élément chauffant plan ayant un coefficient de température spécifique de résistance et élément chauffant plan l'utilisant Ceased WO2012148126A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0038762 2011-04-26
KR1020110038762A KR20120121037A (ko) 2011-04-26 2011-04-26 특정한 저항온도계수를 갖는 면상발열체 조성물 및 이를 이용한 면상발열체

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WO2012148126A2 true WO2012148126A2 (fr) 2012-11-01
WO2012148126A3 WO2012148126A3 (fr) 2013-01-31

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KR102516361B1 (ko) 2017-12-07 2023-03-31 삼성전자주식회사 배터리 충전 방법 및 장치

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JP2000077167A (ja) * 1998-08-31 2000-03-14 Kyocera Corp 面状発熱体
KR100544865B1 (ko) * 1999-06-09 2006-01-24 이비덴 가부시키가이샤 세라믹히터 및 발열체용 도전 페이스트
KR100369565B1 (ko) * 1999-12-17 2003-01-29 대주정밀화학 주식회사 전기발열체용 저항 페이스트 조성물
JP5370357B2 (ja) * 2008-04-07 2013-12-18 東洋紡株式会社 面状発熱体用導電性ペースト及びこれを用いた印刷回路、面状発熱体

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WO2012148126A3 (fr) 2013-01-31

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