Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

High-thermal-conductivity graphene composite material and preparation method thereof

A technology of high thermal conductivity graphite and composite materials, applied in the field of high thermal conductivity graphene composite materials and its preparation, can solve problems such as inability to meet heat dissipation or heating, low thermal conductivity, and inability to replace metal materials

Pending Publication Date: 2020-07-07
泰烯新材料科技(浙江)有限公司
View PDF2 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 1. The thermal conductivity is low and the thermal conductivity is poor, which cannot meet the requirements of heat dissipation or heating applications, let alone replace metal materials as thermal conductivity m

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • High-thermal-conductivity graphene composite material and preparation method thereof
  • High-thermal-conductivity graphene composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0042] Example 1:

[0043] A high thermal conductivity graphene composite material, made of raw materials including the following parts by weight:

[0044] 30 parts of polypropylene powder, 12 parts of graphene, 22 parts of thermally conductive filler, 2 parts of dispersant, 3 parts of glass fiber, 4 parts of maleic anhydride grafted polypropylene;

[0045] The thermally conductive filler is at least one of aluminum oxide, graphite powder, boron nitride, aluminum nitride and aluminum powder.

[0046] In this embodiment, the thermally conductive filler is a mixture of aluminum oxide, aluminum nitride and aluminum powder.

[0047] In this embodiment, the thermally conductive filler is a mixture of aluminum oxide, aluminum nitride, and aluminum powder. The thermally conductive filler is aluminum oxide, aluminum nitride, and aluminum powder in a mass ratio of 10:18: 6.

[0048] In this embodiment, the thermal conductivity of the aluminum nitride is 260 w / m·k.

[0049] In this embodiment, the...

Example Embodiment

[0056] Example 2:

[0057] A high thermal conductivity graphene composite material, made of raw materials including the following parts by weight:

[0058] 45 parts of polypropylene powder, 22 parts of graphene, 12 parts of thermally conductive filler, 3 parts of dispersant, 4 parts of glass fiber, 7 parts of maleic anhydride grafted polypropylene;

[0059] The thermally conductive filler is at least one of aluminum oxide, graphite powder, boron nitride, aluminum nitride and aluminum powder.

[0060] In this embodiment, the thermally conductive filler is a mixture of aluminum oxide, aluminum nitride and aluminum powder.

[0061] In this embodiment, the thermally conductive filler is a mixture of aluminum oxide, aluminum nitride and aluminum powder. The thermally conductive filler is aluminum oxide, aluminum nitride and aluminum powder in a mass ratio of 10:21: 7.5.

[0062] In this embodiment, the thermal conductivity of the aluminum nitride is 280 w / m·k.

[0063] In this embodiment, the...

Example Embodiment

[0070] Example 3:

[0071] A high thermal conductivity graphene composite material, made of raw materials including the following parts by weight:

[0072] 38 parts of polypropylene powder, 17 parts of graphene, 20 parts of thermally conductive filler, 2.5 parts of dispersant, 3.5 parts of glass fiber, 5.6 parts of maleic anhydride grafted polypropylene;

[0073] The thermally conductive filler is at least one of aluminum oxide, graphite powder, boron nitride, aluminum nitride and aluminum powder.

[0074] In this embodiment, the thermally conductive filler is a mixture of aluminum oxide, aluminum nitride and aluminum powder.

[0075] In this embodiment, the thermally conductive filler is a mixture of aluminum oxide, aluminum nitride, and aluminum powder. The thermally conductive filler is aluminum oxide, aluminum nitride and aluminum powder in a mass ratio of 10:19.5: 6.8.

[0076] In this embodiment, the thermal conductivity of the aluminum nitride is 270 w / m·k.

[0077] In this embodi...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Thermal conductivityaaaaaaaaaa
Thermal conductivityaaaaaaaaaa
Thermal conductivityaaaaaaaaaa
Login to View More

Abstract

The invention discloses a high-thermal-conductivity graphene composite material, which is prepared from the following raw materials in parts by weight: 30-45 parts of polypropylene powder, 12-22 partsof graphene, 12-22 parts of thermal conductive filler, 2-3 parts of dispersing agent, 3-4 parts of glass fiber and 4-7 parts of maleic anhydride grafted polypropylene. The thermal conductive filler is at least one of aluminum oxide, graphite powder, boron nitride, aluminum nitride and aluminum powder. The high-thermal-conductivity graphene composite material disclosed by the invention is high inthermal conductivity and good in thermal conductivity performance; the tensile strength is high and is equivalent to or even higher than that of a pure PP material; the bending strength is high and isequivalent to that of a pure PP material, the bending resistance is good, and the comprehensive mechanical property is good.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a high thermal conductivity graphene composite material and a preparation method thereof. Background technique [0002] Polypropylene is a polymer produced by the addition polymerization of propylene. It is a white waxy material with a transparent and light appearance. Density is 0.89~0.91g / cm3, flammable, melting point is 165°C, softens at around 155°C, use temperature range is -30~140°C. It can resist the corrosion of acid, alkali, salt solution and various organic solvents below 80 ° C, and can decompose under high temperature and oxidation. Polypropylene is widely used in the production of clothing, blankets and other fiber products, medical equipment, automobiles, bicycles, parts, pipelines, chemical containers, etc., and is also used in food and drug packaging. [0003] Graphene has very good thermal conductivity properties. The thermal conductivity of pure de...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C08L23/12C08L51/06C08K13/04C08K7/14C08K7/00C08K3/04C08K3/22C08K3/28C08K3/08C08J5/04C09K5/14
CPCC08J5/043C09K5/14C08J2323/12C08J2451/06C08K13/04C08K7/14C08K7/00C08K3/042C08K2201/011C08K2003/2227C08K2003/282C08K2003/0812
Inventor 冯岩汤文龙丛航沈建明
Owner 泰烯新材料科技(浙江)有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com