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Conductive adhesive for ocean engineering

A technology of marine engineering and conductive adhesive, which is applied in the direction of conductive adhesives, adhesives, epoxy resin glue, etc., can solve the problems of short storage time, low heat resistance, strong brittleness, etc., and achieve improved electrical conductivity, improved electrical conductivity and Thermal conductivity and the effect of improving high temperature resistance

Inactive Publication Date: 2014-05-28
QINGDAO ADVANCED MARINE MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, epoxy resin adhesive systems also have some problems, such as high viscosity, low heat resistance, strong brittleness, short storage time, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] 15 parts of liquid-terminated carboxylated nitrile rubber epoxy resin, 0.05 parts of 3-glycidyl etheroxypropyl trimethoxysilane, 1.5 parts of bis-nitrile amine, 65 parts of micron silver powder, 4 parts of nano-silver particles, and 5 parts of carbon nanotubes .

[0015] The preparation process is as follows: Weigh the raw materials by weight, add micron silver powder, nano silver particles and carbon nanotubes to the liquid carboxylated nitrile rubber epoxy resin and stir at a speed of 400-500r / min for 15 minutes, then add dispersant and curing agent Continue to stir for 15 minutes. After mixing evenly, move to a three-roll machine and roll and mix continuously for three times to prepare the conductive adhesive.

Embodiment 2

[0017] 20 parts of liquid-terminated carboxylated nitrile rubber epoxy resin, 0.2 parts of 3-glycidyl etheroxypropyl trimethoxysilane, 1.5 parts of triethylenetetramine, 70 parts of micron silver powder, 1 part of nano silver particles, 5 parts of carbon nanotubes share.

[0018] The preparation process of the conductive adhesive is as follows: Weigh the raw materials by weight, add micron silver powder, nano silver particles and nano carbon tubes to the liquid end carboxylated nitrile rubber epoxy resin, stir at a speed of 400-500r / min for 15min, then add the dispersant 1. The curing agent continued to stir for 15 minutes. After mixing evenly, it was transferred to a three-roller machine and continuously rolled and mixed three times to prepare the conductive adhesive.

Embodiment 3

[0020] 18 parts of liquid-terminated carboxylated nitrile rubber epoxy resin, 0.08 parts of 3-glycidyl etheroxypropyl trimethoxysilane, 0.4 parts of bis-nitrile amine, 0.8 parts of triethylenetetramine, 70 parts of micron silver powder, and 2 parts of nano-silver particles , 8 parts of carbon nanotubes.

[0021] Weigh the raw materials according to the above parts by weight, add micron silver powder, nano silver particles and carbon nanotubes to the liquid end carboxylated nitrile rubber epoxy resin and stir at a speed of 400-500r / min for 15 minutes, then add a dispersant and a curing agent and continue stirring for 15 minutes , after mixing evenly, move to a three-roller machine and roll and mix three times continuously to prepare the conductive adhesive.

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Abstract

The invention discloses a conductive adhesive for ocean engineering. The conductive adhesive comprises the following components in parts by weight: 15-20 parts of carboxy terminal butadiene-acrylonitrile epoxy resin, 0.05-0.5 part of dispersing agent, 1-1.5 parts of curing agent, 65-75 parts of micro silver powder, 0.08-4 parts of nano-silver particles and 5-10 parts of carbon nanotube. The storage period of the conductive adhesive at the temperature of 5 DEG C is nine months. The conductive adhesive is thermally cured at the temperatures of 100DEG C, 120DEG C and 140DEG C for 1-2 hours respectively. The liquid terminal carboxy butadiene-acrylonitrile epoxy resin and a proper amount of dispersing agent replace epoxy resin which is generally adopted on the market, so that the high-temperature resisting performance is greatly improved; the micro silver powder, the nano-silver particle and the carbon nanotube are added to greatly improve the conducting performance of the conductive adhesive; the electricity conducting and heat conducting carbon nanotube is added to improve the electricity and heat conducting performances of the conductive adhesive; meanwhile, the conductive adhesive has the advantages of excellent corrosion resistance and weather resistance, so that the conductive adhesive is suitable for naval architecture and ocean engineering.

Description

technical field [0001] The invention relates to a conductive adhesive for ocean engineering. Background technique [0002] Conductive adhesive is an adhesive with certain conductive properties after curing or drying. It usually uses matrix resin and conductive fillers, namely conductive particles, as the main components. The conductive particles are combined through the bonding effect of the matrix resin to form a conductive adhesive. The path realizes the conductive connection of the adhered material. Since the matrix resin of conductive adhesive is an adhesive, suitable curing temperature can be selected for bonding. At the same time, due to the miniaturization and miniaturization of electronic components and the rapid development of high density and high integration of printed circuit boards, The conductive adhesive can be made into a slurry to achieve high line resolution. Moreover, the conductive adhesive has a simple process, is easy to operate, and can improve produ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J9/02C09J163/00C09J11/04C09J11/06
Inventor 刘连河胡松霞刘培礼魏浩
Owner QINGDAO ADVANCED MARINE MATERIAL TECH
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