An aqueous nanometer heating film containing graphene and carbon nanotubes and a preparation method thereof

A technology of carbon nanotubes and graphene, which is applied in the field of water-based nano-heating film and its preparation, can solve the problems of uneven heat generation, non-temperature-resistant, heat-resistant and flame-resistant, and low conversion efficiency of electric-thermal radiation of the heating film, so as to eliminate safety Effects of accidents and temperature uniformity

Pending Publication Date: 2018-12-21
ANHUI BAOLI LENUAN ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The object of the present invention is to provide a kind of water-based nano heating film containing graphene and carbon nanotube and preparation method thereof, solve the problem in the background technology, this water-based nano heating film containing graphene and carbon nanotube, electro- The thermal radiation conversion efficiency is as high as 70% to 75%, which is 10% to 15% higher than the 60% to 65% of carbon crystal and carbon fiber electric heatin

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  • An aqueous nanometer heating film containing graphene and carbon nanotubes and a preparation method thereof
  • An aqueous nanometer heating film containing graphene and carbon nanotubes and a preparation method thereof

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preparation example Construction

[0023] The present invention also provides a method for preparing a water-based nano-heating film containing graphene and carbon nanotubes, comprising the following preparation steps:

[0024] (1) According to the design of the water-based nano-heating film, first print the conductive silver paste on the electrode position of the insulating flame-retardant flexible film, and dry it through the drying tunnel;

[0025] (2) The water-based nano-conductive ink containing graphene and carbon nanotubes is coated on the insulating flame-retardant flexible film printed with silver electrodes by gravure printing, or screen printing, or automatically, and dried in a drying tunnel to form a water-based ink. Nano three-dimensional conductive layer.

[0026] (3) According to the design of the water-based nano-heating film, the copper electrode is covered on the silver electrode, and at the same time, it is hot-pressed and laminated with the insulating and flame-retardant flexible film cove...

Embodiment 1

[0032] This example is used to illustrate the preparation of a water-based nano-heating film containing graphene and carbon nanotubes by the method of the present invention.

[0033] (1) The surface temperature of the water-based nano-heating film is designed to be 45°C, the power density is 220W / square meter, the working voltage is 220V, and the unit heating area is 0.1 square meters, then the square resistance of the water-based nano-scale three-dimensional conductive layer is: R=2200Ω.

[0034] (2) According to the design, print the conductive silver paste on the flame-retardant PET film and dry it in a 200°C oven. Then, the water-based nano conductive ink containing graphene and carbon nanotubes is gravure printed on the flame-retardant PET printed with silver electrodes, and dried in a 120°C oven to form a water-based nano three-dimensional conductive layer. The water-based nano three-dimensional conductive layer has a layer thickness of 15 microns, wherein the content of...

Embodiment 2

[0036] (1) The surface temperature of the water-based nano-heating film is designed to be 80°C, the power density is 1000W / square meter, the working voltage is 220V, and the unit heating area is 0.5 square meters, then the square resistance of the water-based nano-scale three-dimensional conductive layer is: R=96.8Ω.

[0037] (2) According to the design, print the conductive silver paste on the flame-retardant PI film and dry it in a 200°C oven. Then, the water-based nano conductive ink containing graphene and carbon nanotubes is screen-printed on the flame-retardant PI film printed with silver electrodes, and dried in a 120°C oven to form a water-based nano three-dimensional conductive layer. The water-based nano three-dimensional conductive layer has a layer thickness of 15 microns, wherein the content of graphene is 5%, the content of carbon nanotubes is 7%, the content of nano-conductive carbon black is 32%, the content of water-based resin binder is 36%, and the content of...

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Abstract

The invention belongs to the novel electrothermal field, in particular to an aqueous nano heating film containing graphene and carbon nanotubes and a preparation method thereof. Comprises a first insulating and flame-retardant flexible film, an aqueous nano three-dimensional conductive layer containing graphene and carbon nanotubes, a copper-silver composite electrode, a temperature-resistant adhesive and a second insulating and flame-retardant flexible film, wherein the heating film has a multilayer film structure, and the thickness of the first insulating and flame-retardant flexible film islarger than that of the second insulating and flame-retardant flexible film. The water-based nano-heating film containing graphene and carbon nanotubes is a new type of nano-heating film. The heat radiation conversion efficiency is up to 70% - 75%, the temperature is homogeneous, the power is basically zero attenuation, the heating temperature can be adjusted from 35 DEG C to 180 DEG C, and the heat resistance and flame resistance of the heating film are improved. The problems of low conversion efficiency of heat radiation, non-uniform heat generation, power attenuation, inability to withstand temperature, heat and flame are eliminated, which prevents the occurrence of safety accidents.

Description

technical field [0001] The invention belongs to the field of novel electric heating, and in particular relates to a water-based nano heating film containing graphene and carbon nanotubes and a preparation method thereof. Background technique [0002] Since the invention of carbon nanomaterials, their excellent mechanical, electrical, and thermal properties have been widely studied and applied, among which carbon nanotubes and graphene are the hotspots of research. Carbon nanotubes are one-dimensional quantum materials with a special structure (the radial dimension is on the order of nanometers, the axial dimension is on the order of microns, and both ends of the tube are basically sealed), and it is composed of carbon atoms arranged in a hexagonal shape. Coaxial circular tubes with several to tens of layers. Graphene is a carbon atom with sp 2 The honeycomb planar film formed by hybridization has a unique two-dimensional hexagonal honeycomb single-layer square meter lattic...

Claims

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Application Information

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IPC IPC(8): H05B3/14H05B3/34H05B3/03
CPCH05B3/14H05B3/03H05B3/34
Inventor 刘玉明顾建军
Owner ANHUI BAOLI LENUAN ENVIRONMENTAL PROTECTION TECH CO LTD
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