Graphene-like modified thermal conductive plastic and preparation method thereof

A technology of graphene modification and heat-conducting plastics, which is applied in the field of modified heat-conducting plastics, which can solve problems such as uneven carbon distribution, unsatisfactory thermal conductivity of polymer materials, and difficult fusion of graphene powders, etc., to achieve good thermal conductivity and retain The effect of mechanical properties

Active Publication Date: 2014-10-01
宁波信远炭材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The bulk density of the graphene powder prepared by the existing technology is below 0.15g / ml. Because the bulk density of the graphene powder is too small, it is difficult to fully fuse the graphene powder with the polymer particles, and the carbon is not distributed in the polymer material. Uniformity, making the thermal conductivity of the modified polymer material unsatisfactory

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A graphene-like modified thermally conductive plastic whose components include a plastic base material and a graphene-like material. The plastic base material is PP plastic. The plastic base material accounts for 80% of the total mass, and the graphene-like material accounts for 80% of the total mass. At 20%, the bulk density of graphene-like is 0.15g / ml.

[0024] The graphene-like particle size is 25um.

[0025] The graphene-like thickness is 3nm.

[0026] Graphene-like carbon content is 97%.

Embodiment 2

[0028] A graphene-like modified thermally conductive plastic whose components include a plastic base material and a graphene-like material. The plastic base material is a PP plastic. The plastic base material accounts for 90% of the total mass, and the graphene-like material accounts for 90% of the total mass. It is 10%, and the bulk density of graphene-like is 0.20g / ml.

[0029] The graphene-like particle size is 100um.

[0030] The graphene-like thickness is 20 nm.

[0031] Graphene-like carbon content is 99%.

Embodiment 3

[0033] A graphene-like modified thermally conductive plastic whose components include a plastic base material and a graphene-like material. The plastic base material is a PP plastic. The plastic base material accounts for 84% of the total mass, and the graphene-like material accounts for 84% of the total mass. It is 16%, and the bulk density of graphene-like is 0.25g / ml.

[0034] The graphene-like particle size is 200um.

[0035] The graphene-like thickness is 45nm.

[0036] Graphene-like carbon content is 99%.

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Abstract

The invention belongs to the technical field of modified thermal conductive plastics and in particular relates to a graphene-like modified thermal conductive plastic and a preparation method thereof. The graphene-like modified thermal conductive plastic comprises the components of a plastic base material and graphene-like, wherein the plastic base material accounts for 80-90 weight percentage of total mass; the graphene-like accounts for 10-20 weight percentage of total mass; and the carbon content of the graphene-like is more than or equal to 97 percent; the bulk density of the graphene-like is 0.15-0.3g / ml. Because the graphene-like modified thermal conductive plastic is prepared by mixing high-density graphene-like powder and the plastic base material, and the bulk density of the graphene-like powder reaches 0.15-0.3g / ml, so that the graphene-like powder can be fully mixed with the plastic base material, and the graphene-like powder in a layered structure can be uniformly distributed in the plastic base material and forms a meshed structure with a plastic high polymer. Therefore, various mechanical properties of the plastics are remained to the greatest degree, and the plastic has excellent thermal conductive performance.

Description

Technical field [0001] The invention belongs to the technical field of modified thermally conductive plastics, and particularly relates to a graphene-like modified thermally conductive plastic and a preparation method thereof. Background technique [0002] With the continuous development of industrial production and science and technology, people's requirements for the comprehensive performance of thermal conductive materials have become higher and higher, and traditional metal materials have been unable to meet the requirements for use in some special occasions. For example, the rapid accumulation and increase of heat generated by electronic equipment will cause the device to fail to work normally, so timely heat dissipation has become an important factor affecting its life. Therefore, there is an urgent need to develop high-reliability, high-heat-dissipation thermally conductive insulating materials with excellent comprehensive performance to replace traditional materials. The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08K9/00C08K3/04
CPCC08K3/04C08K9/00C08K2201/002C08K2201/003C08L23/12
Inventor 袁奕琳陆卓君
Owner 宁波信远炭材料有限公司
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