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Conductive adhesive

A conductive adhesive and adhesive technology, applied in conductive adhesives, adhesives, adhesive additives, etc., can solve the problems of not being able to meet the requirements of use, reducing the adhesiveness of adhesives, etc., to achieve good adhesion, stable performance, Evenly distributed effect

Inactive Publication Date: 2015-02-25
田琳琳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing conductive adhesives are difficult to disperse evenly in the adhesive system, which greatly reduces the adhesiveness of the adhesive
Can not meet the use requirements

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] A conductive adhesive made from the following raw materials in parts by weight:

[0009] 9 parts of water-based polyurethane emulsion, 3 parts of diethylene glycol butyl ether, 3 parts of coupling agent, 3 parts of 20-50 mesh organic bentonite, 2 parts of water-based leveling agent, 2 parts of asphalt, 3 parts of rubber powder, 2 parts of terpene resin 8 parts, 8 parts of maleic anhydride, 3 parts of tert-butyl hydroperoxide hanging white block mixture, 4 parts of alkylphenol polyoxyethylene ether, 3 parts of glycidyl methacrylate, 2 parts of sodium bicarbonate, 3 parts of silicone oil, 2 parts of nano calcium oxide, 10 parts of conductive filler.

Embodiment 2

[0011] A conductive adhesive made from the following raw materials in parts by weight:

[0012] 15 parts of water-based polyurethane emulsion, 10 parts of diethylene glycol butyl ether, 10 parts of coupling agent, 8 parts of 20-50 mesh organic bentonite, 6 parts of water-based leveling agent, 5 parts of asphalt, 8 parts of rubber powder, and 6 parts of terpene resin 14 parts of maleic anhydride, 8 parts of tert-butyl hydroperoxide hanging white block mixture, 6 parts of alkylphenol polyoxyethylene ether, 6 parts of glycidyl methacrylate, 7 parts of sodium bicarbonate, 5 parts of silicone oil, 6 parts of nano calcium oxide, 20 parts of conductive filler.

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PUM

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Abstract

The invention discloses a conductive adhesive prepared from the following raw materials in parts by weight: 9-15 parts of waterborne polyurethane latex, 3-10 parts of butyldiglycol, 3-10 parts of a coupling agent, 3-8 parts of organobentonite of 20-50 meshes, 2-6 parts of a water-based leveling agent, 2-5 parts of asphalt, 3-8 parts of rubber powder, 2-6 parts of terpene resin, 8-14 parts of maleic anhydride, 3-8 parts of a tert-butyl hydroperoxide rongalite mixture, 4-6 parts of alkyl phenyl polyoxyethylene ether, 3-6 parts of glycidyl methacrylate, 2-7 parts of sodium bicarbonate, 3-5 parts of silicone oil, 2-6 parts of nano calcium oxide and 10-20 parts of a conductive filler. The conductive adhesive disclosed by the invention has the beneficial effects of good conductivity, uniform distribution of the conductive filler, stable performance and good cohesiveness.

Description

technical field [0001] The invention relates to a conductive adhesive. Background technique [0002] Conductive adhesive is an adhesive with certain conductivity after curing or drying. The usual preparation method is to use matrix resin and curing agent as film-forming substances, conductive fillers as conductive additives, and combine conductive particles through the bonding effect of matrix resin. Form a conductive network channel to realize the conductive connection of the bonded materials. The main components of conductive adhesives are matrix resin, curing agent, conductive additives and auxiliary agents. Conductive adhesives are used in a wide variety of applications including metal chassis connections, bonding wires to headers, bonding components to planar holes through printed wiring, bonding waveguide tuning, and hole repair. However, the existing conductive adhesives are difficult to disperse evenly in the adhesive system, which greatly reduces the adhesiveness ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J4/00C09J4/02C09J4/06C09J9/02C09J11/04C09J11/06C09J11/08
Inventor 田琳琳
Owner 田琳琳
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