Graphene cluster based carbon system electric heating slurry as well as preparation method and application thereof

A graphene cluster, graphene technology, applied in conductive materials dispersed in non-conductive inorganic materials, heating element materials, cable/conductor manufacturing, etc., can solve the problem of insufficient far-infrared radiation intensity, low electrothermal conversion efficiency, and thermal conductivity. Problems such as poor heat transfer performance, to achieve the effects of excellent thermal conductivity, reduced resistivity, and excellent electrical conductivity

Active Publication Date: 2015-04-15
苏州格瑞丰纳米科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, at present, domestic electrothermal slurry products generally have problems such as short service life, low heating rate, easy oxidation, poor heat conduction and heat transfer performance, low electrothermal conversion efficiency, and insufficient far-infrared radiation intensity. The main direction of research and development

Method used

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  • Graphene cluster based carbon system electric heating slurry as well as preparation method and application thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The formula (percentage by weight) of the carbon-based electrothermal paste based on graphene clusters is as follows:

[0028] Conductive material: acetylene black (average particle size 10nm) 40%

[0029] Graphene clusters (morphology such as figure 1 As shown, composed of graphene with an average size of 300μm) 2%

[0030] Water-based binder: water-based epoxy resin (Rongzhong Chemical C252) 55%

[0031] Leveling agent: Huaxia Auxiliary HX5600 (organic modified polydimethylsiloxane solution) 0.5%

[0032] Defoamer: Huaxia Auxiliary HX5041 (Mineral Oil, Foam Breaking Polysiloxane, Inorganic Hydrophobic Compound Mixture) 0.5%

[0033] Solvent: Texanol 2%.

[0034] Mix all the components according to the aforementioned formula, and mix thoroughly until uniform, to obtain the carbon-based electric heating paste of this embodiment. The slurry has excellent film-forming properties, the resistivity of the obtained film is 22Ω / cm, the thermal conductivity is 12.1W / (mK), ...

Embodiment 2

[0036] The formula (percentage by weight) of the carbon-based electrothermal paste based on graphene clusters is as follows:

[0037] Conductive carbon material: graphite (average particle size 100 microns) 25%

[0038] Graphene clusters (composed of graphene and carbon black 1:1, with an average size of 300μm) 5%

[0039] Oily vehicle: acrylic resin 69%;

[0040] Leveling agent: Huaxia Auxiliary HX5600 (organic modified polydimethylsiloxane solution) 0.5%

[0041] Defoamer: Huaxia Auxiliaries HX5041 (mineral oil, polysiloxane for breaking foam, mixture of inorganic hydrophobic compounds) 0.5%.

[0042] Mix all the components according to the formula, and mix thoroughly until uniform to obtain the carbon-based electric heating paste of this embodiment. The slurry has excellent film-forming properties, the resistivity of the obtained film is 18Ω / cm, the thermal conductivity is 10.9W / (mK), the electrothermal conversion efficiency is 98.6%, and the radiation wavelength range i...

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Abstract

The invention discloses graphene cluster based carbon system electric heating slurry as well as a preparation method and application thereof. The slurry comprises the following components in parts by weight: 10-70 parts of a conductive heat-conduction agent, 10-70 parts of a far-infrared reinforcing agent, 10-60 parts of a solvent, 0.1-10 parts of an additive and 5-60 parts of a resin connecting agent, wherein the conductive heat-conduction agent comprises graphene clusters. By adoption of the mode that the graphene clusters are separately combined with other carbon materials so as to be used as the conductive heat-conduction agent and the far-infrared reinforcing agent of the electric heating slurry, the electrical resistivity of the slurry after being printed into films is greatly reduced, the heat conduction property, the electric heating conversion efficiency and the far-infrared radiation intensity are improved, the manufacturing cost is lowered, the velocity of the slurry is also reduced, the flowability and the transferring printing adaptability of the slurry are improved, and the electric heating slurry has great significance for energy conservation, consumption reduction, health physiotherapy and the like.

Description

technical field [0001] The invention relates to a carbon-based electrothermal slurry and a preparation method thereof, in particular to a graphene cluster-based carbon-based electrothermal slurry, a preparation method and an application thereof, and belongs to the technical field of electrothermal functional materials. Background technique [0002] Heating is the focus of winter in most parts of our country. The most critical step in the heating process is the research and development of electric heating paste. However, at present, domestic electrothermal slurry products generally have problems such as short service life, low heating rate, easy oxidation, poor heat conduction and heat transfer performance, low electrothermal conversion efficiency, and insufficient far-infrared radiation intensity. The main direction of research and development. Contents of the invention [0003] The main purpose of the present invention is to provide a carbon-based electrothermal paste b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B1/04H01B1/24H01B13/00H05B3/10
Inventor 刘立伟李奇刘朝军王汝冰徐建宝陈明亮
Owner 苏州格瑞丰纳米科技有限公司
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