Modified carbon nanotube far-infrared heating slurry and preparation method thereof

A far-infrared heating, nanotube technology, applied in epoxy resin coatings, coatings, etc., can solve the problems of poor conductivity, high resistance, poor adhesion, etc., to improve high temperature adhesion, improve dispersion, prevent The effect of curing cracking

Inactive Publication Date: 2017-09-29
WUHU SAUNAKING ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a new heating product, carbon crystal heating plate is environmentally friendly and healthy. It has been well promoted in southern my country, and the heating paste for carbon crystal heating plate has been widely studied. However, the current heating paste has poor conductivity and low electrical resistance. Too high and poor adhesion, so it is necessary to provide a far-infrared heating paste with good comprehensive performance

Method used

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preparation example Construction

[0018] According to the present invention, preferably, the preparation method of the modified carbon nanotubes comprises: soaking 10-20nm carbon nanotubes in concentrated sulfuric acid at 40-50°C for 15-25min, and then putting the soaked carbon nanotubes into Grinding and cutting in a ball mill to obtain the modified carbon nanotubes.

[0019] Preferably, the ceramic emitter is Al 2 o 3 , MnO 2 , SiO 2 、TiO 2 , ZrO 2 one or more of them.

[0020] Preferably, the ceramic emitter is Al 2 o 3 , SiO 2 and ZrO 2 a mixture of the AL 2 o 3 , SiO 2 and ZrO 2 The mass ratio is 3:(2-3):(2-3).

[0021] Preferably, the epoxy resin paint is one or more of bisphenol A type epoxy resin paint, hydrogenated bisphenol A type epoxy resin paint and bisphenol F type epoxy resin paint;

[0022] Preferably, the epoxy resin paint solvent is one or more of butanol, isobutanol, cresol, alkylphenol, polypropylene glycol glycidyl ether, polyethylene glycol glycidol and turpentine.

[0023...

Embodiment 1

[0034] The invention provides a modified carbon nanotube far-infrared heating slurry, which comprises: 15 parts of modified carbon nanotubes, 5 parts of nano-bamboo charcoal powder, 10 parts of ceramic emitter, epoxy resin 20 parts of paint, 25 parts of epoxy resin paint solvent, 2 parts of curing agent, 5 parts of silicon micropowder, 1 part of polycarboxylate ammonium salt ceramic dispersant, 1 part of silane coupling agent; 2 o 3 , SiO 2 and ZrO 2 a mixture of the Al 2 o 3 , SiO 2 and ZrO 2 The mass ratio is 3:2:2, and the epoxy resin paint is bisphenol A type epoxy resin paint, and the epoxy resin paint solvent is turpentine, and the curing agent is m-xylylenediamine; wherein, the The preparation method of the modified carbon nanotubes comprises: soaking the 15nm carbon nanotubes in concentrated sulfuric acid at 45°C for 20 minutes, and then putting the soaked carbon nanotubes into a ball mill for grinding and cutting to obtain the modified carbon nanotubes. Tube; ...

Embodiment 2

[0037] The invention provides a modified carbon nanotube far-infrared heating slurry, which comprises: 18 parts of modified carbon nanotubes, 8 parts of nano-bamboo charcoal powder, 13 parts of ceramic emitter, epoxy resin 23 parts of paint, 28 parts of epoxy resin paint solvents, 3 parts of curing agent, 8 parts of silicon micropowder, 1.5 parts of polycarboxylate ammonium salt ceramic dispersant, 1.5 parts of silane coupling agent; 2 o 3 , SiO 2 and ZrO 2 a mixture of the Al 2 o 3 , SiO 2 and ZrO 2 The mass ratio is 3:2:2, and the epoxy resin paint is hydrogenated bisphenol A type epoxy resin paint, and the epoxy resin paint solvent is turpentine, and the curing agent is m-xylenediamine; wherein, The preparation method of the modified carbon nanotubes comprises: soaking 15nm carbon nanotubes in concentrated sulfuric acid at 45°C for 20 minutes, and then putting the soaked carbon nanotubes into a ball mill for grinding and cutting to obtain the modified carbon nanotubes...

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Abstract

The invention provides modified carbon nanotube far-infrared heating slurry and a preparation method thereof. The slurry comprises the following components in parts by mass: 15-20 parts of modified carbon nanotubes, 5-10 parts of nano bamboo carbon powder, 10-15 parts of a ceramic emitting agent, 20-25 parts of epoxy resin paint, 25-30 parts of an epoxy resin paint solvent, 2-4 parts of a curing agent, 5-10 parts of silicon micro powder, 1-2 parts of a dispersing agent and 1-2 parts of a coupling agent. Due to introduction of the modified carbon nanotubes, the nano bamboo carbon powder, a polycarboxylic acid ammonia salt ceramic dispersing agent and the silicon micro powder, the conductivity and high-temperature cohesiveness of the heating slurry are improved.

Description

technical field [0001] The invention relates to the field of electronic paste, more specifically, to a modified carbon nanotube far-infrared heating paste and a preparation method thereof. Background technique [0002] Carbon crystal heating plate is made by adding far-infrared emitter and temperature-limiting agent into microcrystalline particles, and is made by special process and preparation technology. It is suitable for home heating, office building heating, school dormitory office building, storefront heating, central heating auxiliary heating, chess room, hospital, hotel, hotel, bath center, greenhouse insulation, warehouse insulation, etc. As a new heating product, carbon crystal heating plate is environmentally friendly and healthy. It has been well promoted in southern my country, and the heating paste for carbon crystal heating plate has been widely studied. However, the current heating paste has poor conductivity and low electrical resistance. Therefore, it is ne...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D7/12
CPCC09D163/00C08K3/04C08K3/22C08K3/36C08K7/24C08K9/02C08K13/06C08K2003/2227C08K2003/2241C08K2003/2244C08K2003/2262
Inventor 金浩马西健崔亮
Owner WUHU SAUNAKING ELECTRONICS TECH CO LTD
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