Electrothermal film and manufacturing method thereof
A technology of electric heating film and conductive heating layer, which is applied in the direction of electric heating device, ohmic resistance heating, ohmic resistance heating parts, etc., which can solve the problems of affecting heating effect, heating device failure, heating material damage, etc.
Pending Publication Date: 2021-02-23
GRAHOPE NEW MATERIALS TECH INC +1
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Problems solved by technology
When the heating device including the electrothermal film is in a high-temperature environment, the adhesive material is easily heated to generate air bubbles at the interface between the heating material and the adhesive material, which causes the adhesive material to bulge, and the heating material will be torn by the bulging adhesive material , the heating material is destroyed, which affects the heating effect and eventually leads to the failure of the heating device
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[0034] The specific implementation manners of the present disclosure will be described below in conjunction with the accompanying drawings and examples. Those skilled in the art can easily understand the technical problems solved by the present disclosure and the technical effects produced through the contents recorded in this specification. It should be understood that the specific embodiments described here are only used to explain related inventions, rather than to limit the invention. In addition, for the convenience of description, only the parts related to the related invention are shown in the drawings.
[0035] It should be noted that the structures, proportions, sizes, etc. shown in the accompanying drawings of the specification are only used to match the content recorded in the specification for the understanding and reading of those skilled in the art, and are not intended to limit the implementation of the present disclosure. There are limited conditions, so it has...
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The present invention provides an electrothermal film and a manufacturing method thereof. According to a specific embodiment, the electrothermal film comprises: a first encapsulation layer; a conductive heating layer, which is arranged on the first encapsulation layer, wherein the conductive heating layer comprises a heating layer, an electrode layer, a heat insulation layer and a first bonding layer, the first bonding layer is provided with a concave part, the heating layer, the electrode layer and the heat insulation layer are arranged in the concave part, the electrode layer is arranged onthe heating layer, and the heat insulation layer is arranged between the electrode layer and the first bonding layer; and a second encapsulation layer, which is arranged on the conductive heating layer. According to the embodiment, the first bonding layer is prevented from being directly contacted with a heating area corresponding to the heating layer, so that bubbles generated by heating the first bonding layer are prevented from damaging the integrity of the heating layer.
Description
technical field [0001] The present disclosure relates to the technical field of electrothermal film, in particular to an electrothermal film and a manufacturing method thereof. Background technique [0002] As an electric heating element with outstanding characteristics, electric heating film is gradually used in various fields due to its advantages of energy saving, environmental protection, health and comfort. Especially in related fields such as medical treatment and physiotherapy, the development of far-infrared and related heating devices has attracted much attention. [0003] At present, the electrothermal film mainly includes a heating material and an adhesive material for maintaining the adsorption capacity between the heating material and the packaging material. When the heating device including the electrothermal film is in a high-temperature environment, the adhesive material is easily heated at the interface between the heat-generating material and the adhesive ...
Claims
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IPC IPC(8): H05B3/34H05B3/02H05B3/14
CPCH05B3/02H05B3/14H05B3/34
Inventor 刘海滨张娟娟袁凯陈昱明周云
Owner GRAHOPE NEW MATERIALS TECH INC