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A kind of water-based electronic slurry and preparation method thereof

An electronic paste, water-based technology, applied in the direction of cable/conductor manufacturing, conductive materials dispersed in non-conductive inorganic materials, circuits, etc., can solve the problems of adverse effects of electronic paste performance, high production cost, complicated methods, etc. , to achieve the effects of easy promotion, green environmental protection cost, and simple preparation process

Active Publication Date: 2020-09-22
肇庆市新东自动化科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a water-based electronic paste, which solves the problem that the organic carrier has an adverse effect on the performance of the electronic paste and pollutes the environment in the prior art during the preparation of the electronic paste
[0007] Another object of the present invention is to provide the preparation method of this kind of water-based electronic slurry, which solves the problems of complex methods and high production costs in the prior art in the preparation process of electronic slurry

Method used

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Examples

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Effect test

preparation example Construction

[0021] The preparation method of water-based electronic slurry of the present invention is implemented according to the following steps:

[0022] Preparatory step: Weigh the following components according to mass percentage: 1% to 10% of nano-organic bentonite, 60% to 80% of conductive phase, 1% to 5% of conductive enhancement phase, 5% to 15% of lead-free glass powder, polar Activator 1%-5%, auxiliary suspending agent carboxymethyl cellulose 0.2%-2.0%, polyacrylamide 0.05%-0.5%, deionized water 15%-30%, total 100%;

[0023] Step 1: preparing nano-organic bentonite gel,

[0024] Adding methanol with a mass concentration of 95% to the nano-organic bentonite, mixing evenly, placing it under a high-speed mixer and stirring for 5-15 minutes to prepare a nano-organic bentonite gel, sealing it for 10-30 hours for use;

[0025] Step 2: Prepare metal composite powder conductive phase,

[0026] Mix copper powder, silver powder and nickel powder with a particle size of 1-10 μm evenly,...

Embodiment 1

[0032] Preparatory steps: Weigh the following components according to mass percentage: nano-organic bentonite 5%, conductive phase silver powder, copper powder and nickel powder 62% in total, conductive enhancement phase graphene nanosheet 3%, low melting point ZnO-B 2 o 3 -Si0 2 10% glass powder, 3% methanol with a mass concentration of 95%, 1.5% carboxymethylcellulose as an auxiliary suspending agent, 0.5% polyacrylamide, 15% deionized water, the total is 100%;

[0033] Step 1: preparing nano-organic bentonite gel,

[0034] Add methanol with a mass concentration of 95% into the nano-organic bentonite, mix evenly, place it under a high-speed mixer and stir for 10 minutes to prepare a nano-organic bentonite gel, and seal it for 24 hours for use;

[0035] Step 2: Prepare metal composite powder conductive phase,

[0036] Mix copper powder, silver powder and nickel powder with a particle size of 5 μm evenly, and pickle the metal powder with dilute sulfuric acid with a mass fra...

Embodiment 2

[0040]Preparatory steps: Weigh the following components according to mass percentage: nano-organic bentonite 5%, conductive phase silver powder, copper powder and nickel powder 60% in total, conductive enhancement phase graphene nanosheet 3%, low melting point ZnO-B 2 o 3 -Si0 2 10% glass powder, 5% methanol with a mass concentration of 95%, 1.5% carboxymethylcellulose as an auxiliary suspending agent, 0.5% polyacrylamide, 15% deionized water, the total is 100%;

[0041] Step 1: preparing nano-organic bentonite gel,

[0042] Add methanol with a mass concentration of 95% into the nano-organic bentonite, mix evenly, place it under a high-speed mixer and stir for 10 minutes to prepare the nano-organic bentonite gel, and seal it for 24 hours for use.

[0043] Step 2: Prepare metal composite powder conductive phase,

[0044] Copper powder, silver powder and nickel powder with a particle size of 3 μm are evenly mixed, and then the metal powder is pickled with dilute sulfuric acid...

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Abstract

The invention discloses a water-based electronic slurry which is formed the following components, by weight, 1% to 10% of nano-organic bentonite, 60%to 80% of conductive phase, 1% to 5% of conductivereinforcing phase, 5% to 15% of lead-free glass powder, 1% to 5% of polar activator, 0.2% to 2.0% of carboxymethyl cellulose, 0.05% to 0.5% of polyacrylamide and 15% to 30% of deionized water, and thetotal is 100%. The invention also discloses a preparation method of the water-based electronic slurry, and the method comprises the steps of (1) preparing a nano-organic bentonite gel, (2) preparinga metal composite powder conductive phase, and (3) preparing the water-based electronic slurry. The product of the invention has good conductivity, the preparation method is simple and practical, rawmaterials have a wide source, and the water-based electronic slurry is energy-saving and environment-friendly.

Description

technical field [0001] The invention belongs to the technical field of electronic paste, relates to a water-based electronic paste, and also relates to a preparation method of the water-based electronic paste. Background technique [0002] Electronic paste is a high-tech product integrating electronics, metallurgy, and chemical industry. It is the main basic material of the electronic information industry and is widely used in many modern technical fields such as electronic components, thick film integrated circuits, and solar cells. With the rapid development of integration, intelligence, and multi-function of the electronic information industry, people have higher and higher requirements for the performance of electronic paste. [0003] At present, my country has been able to independently produce various conventional electronic pastes to meet the needs of some low-performance products, but the demand for electronic pastes in high-end products still relies on large quantit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B1/22H01B13/00
CPCH01B1/22H01B13/00
Inventor 屈银虎何炫张学硕梅超袁建才左文婧
Owner 肇庆市新东自动化科技有限公司