High-performance conductive silver adhesive containing graphene and preparation method thereof

A technology of conductive silver glue and graphene, which is applied in the direction of conductive adhesives, adhesives, epoxy resin glue, etc., can solve the problems of insufficient electrical conductivity and thermal conductivity, reduce the content of organic media, ensure electrical conductivity, and improve electrical conductivity The effect of rate and thermal conductivity

Active Publication Date: 2015-07-15
CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the lack of conductivity and thermal conductivity of conductive silver glue used in high-power devices, the invention provides a method capable of preparing high-performance conductive silver glue by introducing graphene nanomaterials, thereby meeting the needs of high-power devices

Method used

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  • High-performance conductive silver adhesive containing graphene and preparation method thereof
  • High-performance conductive silver adhesive containing graphene and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0030] A high-performance conductive silver glue containing graphene, consisting of the following raw materials in parts by weight: 100 parts of epoxy resin, 10 parts of curing agent, 10 parts of epoxy diluent, 5 parts of graphene-epoxy microspheres, surface modified 0.5 parts of additive, 240 parts of silver flakes; the graphene-epoxy microspheres are composed of graphene oxide and epoxy resin microspheres with a mass ratio of 1:4.

Embodiment 2

[0032] A high-performance conductive silver glue containing graphene, consisting of the following raw materials in parts by weight: 100 parts of epoxy resin, 50 parts of curing agent, 40 parts of epoxy diluent, 50 parts of graphene-epoxy microspheres, surface modified 5 parts of additives, 990 parts of silver flakes; the graphene-epoxy microspheres are composed of graphene oxide and epoxy resin microspheres with a mass ratio of 1:19.

Embodiment 3

[0034] A high-performance conductive silver paste of graphene, consisting of the following raw materials in parts by weight: 100 parts of epoxy resin, 20 parts of curing agent, 15 parts of epoxy diluent, 10 parts of graphene-epoxy microspheres, surface modifier 1 part, 600 parts of silver flakes; the graphene-epoxy microspheres are composed of graphene oxide and epoxy resin microspheres with a mass ratio of 1:8.

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Abstract

The invention discloses a high-performance conductive silver adhesive containing graphene. The high-performance conductive silver adhesive containing graphene comprises the following raw materials by weight: 100 parts of epoxy resin, 10 to 50 parts of a curing agent, 10 to 40 parts of an epoxy diluent, 5 to 50 parts of a graphene-epoxy microsphere, 0.5 to 5 parts of a surface modifier and 240 to 990 parts of a silver strip, wherein the graphene-epoxy microsphere is prepared from graphene oxide and an epoxy resin microsphere in a mass ratio of 1: 4-19. The invention further discloses a preparation method for the high-performance conductive silver adhesive containing graphene. The high-performance conductive silver adhesive containing graphene has the advantages of low cost and good conductive performance.

Description

technical field [0001] The invention relates to a conductive silver glue and a preparation method thereof, in particular to a graphene-containing high-performance conductive silver glue and a preparation method thereof. Background technique [0002] Graphene is a new type of two-dimensional planar nanomaterial discovered in 2004. Its special single atomic layer structure determines that it has rich and novel physical properties, such as the highest strength and carrier mobility, diamond 3 times Special properties such as thermal conductivity, room temperature quantum Hall effect and ferromagnetism. It is generally predicted that graphene has great application prospects in the fields of electronics, information, energy, materials and biomedicine, and is expected to set off a new technological revolution in the 21st century. [0003] Graphene's excellent performance, low production cost and large specific surface area are very suitable for the development of high-performance ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J9/02C09J163/00C09J11/06C09J11/04
Inventor 邹嘉佳胡国俊高宏周金文
Owner CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST
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