Composite material as well as preparation method and application thereof

A technology of composite materials and thin film composite materials, which is applied to flexible composite films with strong heat dissipation and electromagnetic shielding performance and its preparation, its preparation, and the field of composite materials, which can solve problems such as interference with electronic components, interface separation, and unreliable electrical connection at the interface.
CN112218511APending Publication Date: 2021-01-12NANKAI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
NANKAI UNIV
Publication Date
2021-01-12

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Abstract

The invention relates to a composite material. The composite material comprises magnetic wave-absorbing powder, a polymer matrix and a mixture of carbon-based fibers or metal fibers, wherein the composite material is a fiber-oriented composite material. The invention further relates to a preparation method and application of the composite material. The composite material has the functions of low lap joint impedance, heat dissipation and electromagnetic shielding.
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Description

technical field

[0001] This application belongs to the field of materials. In particular, the application relates to composite materials, their preparation methods and uses. More specifically, the application relates to the technical fields of heat dissipation, electromagnetic wave shielding, and electrical connection of electronic equipment, and in particular to a flexible composite film with high conductivity, strong heat dissipation and electromagnetic shielding performance, and its preparation method and application. Background technique

[0002] With the explosive development of electronic information technology, electronic equipment tends to be smaller and thinner, the integration of various components (such as chips) inside the equipment is getting higher and higher, and the performance of the devices is also rising. What is more important is the higher heat generation and electromagnetic wave radiation power per unit area, causing heat dissipation and electromagneti...

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
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