Novel composite material
A composite material and a new type of technology, applied in the field of heat dissipation, can solve problems such as poor insulation, unsatisfactory heat dissipation performance, and difficulty in passing safety regulations.
Active Publication Date: 2015-06-24
东莞市闻誉实业有限公司
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Problems solved by technology
However, the materials disclosed in the above patents still have the defects of poor insulation, not easy to pass safety regulations, unsatisfactory heat dissipation performance and heavy quality
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[0029] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.
[0030] For example, a novel composite material according to an embodiment of the present invention includes: an insulating layer, a thermally conductive layer, a heat transfer layer, a heat dissipation layer and a protective layer, the thermally conductive layer is attached to the insulati...
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Abstract
The invention discloses a novel composite material which comprises an insulating layer, a heat conduction layer, a heat transfer layer, a heat dissipation layer and a protection layer, wherein the heat conduction layer is attached to the insulating layer, the heat transfer layer is attached to the heat conduction layer, the heat dissipation layer is attached to the heat transfer layer, and the protection layer is attached to the heat dissipation layer. The heat conduction layer comprises the following components in parts by weight: 80-95 parts of graphene, 0.1-20 parts of carbon nanotubes, and 0.1-20 parts of carbon nanofiber. The heat dissipation layer comprises the following components in parts by weight: 47-50 parts of copper, 49-52 parts of aluminum, 0.2-0.7 part of magnesium, 0.2-0.7 part of iron, 0.2-0.5 part of manganese, 0.1-0.3 part of titanium, 0.05-0.1 part of chrome, and 0.1-0.3 part of vanadium. Through the sequential superposition of the insulating layer, the heat conduction layer, the heat transfer layer, the heat dissipation layer and the protection layer, the novel composite material has the advantages of good insulativity, low expansion coefficient, large thermal conductivity coefficient, good heat dissipation effect and light weight.
Description
technical field [0001] The invention relates to the technical field of heat dissipation, in particular to a novel composite material. Background technique [0002] The rapid development of the LED industry has greatly stimulated the development of the upstream material industry and further promoted breakthroughs in the field of high-end materials. Among them, a large number of heat dissipation materials are used in LED lamps, including LED chip packaging components, LED optical lenses, light scattering components, high-efficiency heat dissipation components, light reflection and light diffusion plates, etc. [0003] For a long time, poor heat dissipation will lead to problems such as power supply damage, accelerated light decay, and shortened lifespan. It has always been the top priority for improving the performance of LED lighting systems. The traditional three materials used for LED heat sinks include aluminum, plastic and ceramics. Each of the three has its own advantag...
Claims
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IPC IPC(8): B32B9/04B32B15/04B32B15/20
CPCB32B9/007B32B9/04B32B9/041B32B15/04B32B15/20C04B35/565C04B2235/3206C04B2235/3208C04B2235/3217C04B2235/3224C04B2235/3418C04B2235/349C08K3/04C08K3/34C08K7/06C08K13/04C22C9/01C22C21/16C08L77/00
Inventor 叶伟炳
Owner 东莞市闻誉实业有限公司