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Preparation method of graphene modified far-infrared electrothermal film

A technology of graphene modification and infrared electricity, which is applied in the direction of electric heating devices, ohmic resistance heating, electrical components, etc., can solve the problems of general performance and effect of electric heating films, and achieve the effects of improving human immunity, easy industrialization, and simple preparation process

Inactive Publication Date: 2017-09-19
乐福之家纳米材料有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Developed a kind of graphene electrothermal film (CN104219797A) as Zhejiang Carbon Valley Shangxi Material Technology Co., Ltd., including graphene film heating layer and insulating protective layer coated on both sides of graphene film heating layer, but its structure is relatively simple , the performance of the prepared electrothermal film is general

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A preparation method of graphene modified far-infrared electrothermal film, comprising the steps of:

[0021] 1) mixing graphene with nano-polymer materials and far-infrared inorganic nano-powders to obtain graphene-based composites;

[0022] 2) dispersing the graphene compound in the resin solution to obtain the graphene-modified far-infrared conductive paste;

[0023] 3) The conductive paste is precisely coated and laminated to prepare a graphene-modified far-infrared electrothermal film.

[0024] Described graphene is monolayer graphene;

[0025] The nano-polymer material is nano-carbon fiber;

[0026] The inorganic nano-powder is nano-alumina;

[0027] The resin is polyester resin;

[0028] The resin solution is an aqueous resin solution;

[0029] The weight ratio of the graphene to the nano-polymer material and the far-infrared inorganic nano-powder is 7:20:20;

[0030] The normal total emissivity of the prepared graphene-modified far-infrared electrothermal ...

Embodiment 2

[0032] A preparation method of graphene modified far-infrared electrothermal film, comprising the steps of:

[0033] 1) mixing graphene with nano-polymer materials and far-infrared inorganic nano-powders to obtain graphene-based composites;

[0034] 2) dispersing the graphene compound in the resin solution to obtain the graphene-modified far-infrared conductive paste;

[0035] 3) The conductive paste is precisely coated and laminated to prepare a graphene-modified far-infrared electrothermal film.

[0036] Described graphene is monolayer graphene;

[0037] The nano-polymer material is nano-carbon fiber;

[0038] The inorganic nano-powder is nano-alumina;

[0039] The resin is polyester resin;

[0040] The resin solution is an aqueous resin solution;

[0041] The weight ratio of the graphene to the nano-polymer material and the far-infrared inorganic nano-powder is 2:10:10; the normal total emissivity of the prepared graphene-modified far-infrared electrothermal film is 91...

Embodiment 3

[0043] A preparation method of graphene modified far-infrared electrothermal film, comprising the steps of:

[0044] 1) mixing graphene with nano-polymer materials and far-infrared inorganic nano-powders to obtain graphene-based composites;

[0045] 2) dispersing the graphene compound in the resin solution to obtain the graphene-modified far-infrared conductive paste;

[0046] 3) The conductive paste is precisely coated and laminated to prepare a graphene-modified far-infrared electrothermal film.

[0047] Described graphene is multilayer graphene;

[0048] The nano-polymer material is nano-carbon fiber;

[0049] The inorganic nano-powder is nano-alumina;

[0050] The resin is polyester resin;

[0051] The resin solution is an aqueous resin solution;

[0052] The weight ratio of the graphene to the nano-polymer material and the far-infrared inorganic nano-powder is 2:10:10; the normal total emissivity of the prepared graphene-modified far-infrared electrothermal film is 9...

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Abstract

The invention discloses a preparation method of a graphene modified far-infrared electrothermal film. The preparation method comprises: (1), mixing graphene with a nano-polymer material and far-infrared inorganic nano-powder to obtain a graphene-based complex; (2), the graphene-based complex is dispersed in a resin solution to obtain a graphene modified far-infrared electrocondution slurry; and (3), carrying out precise coating of the electrocondution slurry and laminated composition to obtain a graphene modified far-infrared electrothermal film. The prepared electrothermal film has advantages of uniform heating, high heating efficiency, low attenuation in application, and long service life.

Description

technical field [0001] The invention belongs to the field of far-infrared electric heating films, in particular to a preparation method of graphene-modified far-infrared electric heating films. Background technique [0002] The electric heating film is a heating system, which is different from the point heating system represented by radiators, air conditioners, and radiators, and the line heating system represented by heating cables. It adopts modern aerospace technology in the field of surface heating. Research and development of low-carbon heating high-tech products. [0003] The existing electrothermal films are roughly divided into four types, namely: printing ink type, ultra-thin metal sheet type, carbon fiber type and functional polymer electric heating new material type. Different electrothermal films have different technical contents and have different characteristics and Application fields, such as: printing ink type electric heating film is mainly used for ceiling...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/14
CPCH05B3/145H05B2203/017
Inventor 赵建东张强蒋建华
Owner 乐福之家纳米材料有限责任公司
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