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Carbon nano-tube thermal conductive composite material and preparation method thereof

A heat-conducting composite material and carbon nanotube technology, which is applied in the field of heat-conducting materials, can solve the problems of high surface energy, small particle size of nano-alumina, and easy aggregation into agglomerates, so as to achieve the effect of improving thermal conductivity

Inactive Publication Date: 2017-03-29
邹小凤
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  • Abstract
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  • Application Information

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Problems solved by technology

However, due to the small particle size and high surface energy of nano-alumina particles, they are in a thermodynamically unstable state and are easily aggregated into clusters, which affects the practical application effect of nano-alumina particles.

Method used

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Experimental program
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Effect test

Embodiment Construction

[0022] A carbon nanotube heat-conducting composite material, which is made up of the following raw materials in parts by weight:

[0023] Sodium myristate soap 0.7, nano-alumina 10, 3,5 diaminobenzoic acid 1, pyridine 0.3, triphenyl phosphite 2, lithium chloride 0.1, silane coupling agent kh5600.6, neodymium acetylacetonate 0.7, methyl Hexahydrophthalic anhydride 1.6, epoxy resin 610180, polyethylene benzene sulfonic acid 1, hexamethylcyclotrisiloxane 0.4, abietyl alcohol 3, hexamethylphosphoric triamide 0.3, carbon nanotube 5, 2 Mercaptobenzimidazole 0.3.

[0024] A preparation method of the carbon nanotube heat-conducting composite material, comprising the following steps:

[0025] (1) Add the above-mentioned 2-mercaptobenzimidazole to 10 times its weight in absolute ethanol, stir evenly, raise the temperature to 63°C, add the above-mentioned carbon nanotubes, and ultrasonicate for 4 minutes to obtain carbon nanotube alcohol dispersion liquid;

[0026] (2) Add the above-m...

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Abstract

The invention discloses a carbon nano-tube thermal conductive composite material, consisting of the following raw materials in parts by weight: 0.7 to 1 part of sodium myrastate, 10 to 13 parts of nano aluminum oxide, 1 to 2 parts of 3,5-diaminobenzoic acid, 0.3 to 0.7 part of pyridine, 2 to 3 parts of triphenyl phosphite, 0.1 to 0.2 part of lithium chloride, 0.6 to 1 part of a silane coupling agent kh560, 0.7 to 1 part of neodymium acetylacetonate, 1.6 to 2 parts of methylhexahydrophthalic anhydride, 80 to 90 parts of epoxy resin 6101, 1 to 2 parts of polyethylene benzenesulfonic acid, 0.4 to 1 part of hexamethyl cyclotrisiloxane, 3 to 5 parts of abietinol, 0.3 to 1 part of hexamethylphosphoramide, 5 to 6 parts of carbon nano-tubes and 0.3 to 1 part of 2-thiol benzimidazole. According to the carbon nano-tube thermal conductive composite material disclosed by the invention, with the addition of the carbon nano-tubes and the like, the thermal conductivity property of finished composite materials can be effectively improved.

Description

technical field [0001] The invention relates to the technical field of heat-conducting materials, in particular to a carbon nanotube heat-conducting composite material and a preparation method thereof. Background technique [0002] Epoxy resin has excellent mechanical properties, electrical properties, bonding properties and thermal stability, and has been widely used in aerospace, electronic and electrical fields. There are many kinds of epoxy resins, and the alicyclic epoxy resin is selected in this work. Since the epoxy group in the molecular structure of the alicyclic epoxy resin does not come from propylene oxide, the epoxy group is directly connected to the alicyclic ring, so Compared with bisphenol A epoxy resin, cycloaliphatic epoxy resin has many advantages such as good thermal stability, excellent electrical insulation performance and weather resistance, and high safety. However, the thermal conductivity of epoxy resin is low (0.23 W / m K), and the heat dissipation...

Claims

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Application Information

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IPC IPC(8): C08L63/00C08K13/06C08K9/08C08K9/06C08K9/04C08K7/24C08K3/22C08K5/526C09K5/14
CPCC08K2201/011C08L63/00C08L2205/035C09K5/14C08L77/00C08L93/04C08K13/06C08K9/08C08K9/06C08K9/04C08K7/24C08K2003/2227C08K5/526
Inventor 邹小凤
Owner 邹小凤
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