Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A kind of low-temperature polymer conductive silver paste and preparation method thereof

A technology of conductive silver paste and polymer, which is used in the manufacture of cables/conductors, conductive materials dispersed in non-conductive inorganic materials, circuits, etc., which can solve problems such as mass production capacity, adhesion, weather resistance and stability gaps , to achieve the effect of non-toxic light transmittance, good printability, and soft matt feeling

Active Publication Date: 2022-03-29
WUHAN MARINE ELECTRIC PROPULSION RES INST CHINA SHIPBUILDING IND CORP NO 712 INST
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, domestic silver paste manufacturers such as Guiyan Platinum, Shanghai Baoyin, Shanghai Jiuyin, Zhongke Natong, Betley and other companies also have high-quality low-temperature polymer conductive silver paste products, but in terms of mass production capacity, attached There is a big gap with foreign countries in terms of strength, weather resistance and stability.

Method used

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
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A kind of low-temperature polymer conductive silver paste and preparation method thereof
  • A kind of low-temperature polymer conductive silver paste and preparation method thereof
  • A kind of low-temperature polymer conductive silver paste and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The conductive silver paste of the present embodiment is made up of following mass percentage material: flaky silver powder SF-1# 38%, SF-2#1%, flaky nickel powder NF-1# 4%, organic vehicle 1# 46%, organic Bentonite 0.8%, polyethylene micropowder wax 0.5%, YL-2 glass resin 0.5%, 9100 varnish 0.7%, dibasic ester (DBE) 8.5%.

[0033] The D50 values ​​of the flaky silver powder SF-1# and SF-2# are 3.49 μm and 1.46 μm respectively, the D50 value of the flaky nickel powder NF-1# is 8.28 μm, and the organic carrier 1# is 12 % Dow VAGH-004 resin is fully stirred and dispersed in 88% DBE.

[0034] Above-mentioned conductive silver paste preparation method comprises the following steps:

[0035] Step 1, premixing of slurry: Firstly, organic carrier 1#, organic bentonite, polyethylene micropowder wax, YL-2 glass resin, 9100 varnish, and DBE are fully dissolved and mixed in a container using a high-speed disperser and dispersed evenly. Then pour in the flaky silver powder SF-1#,...

Embodiment 2

[0043] The conductive silver paste of the present embodiment is made up of following mass percentage material: flaky silver powder SF-1# 38%, SF-2#1%, flaky nickel powder NF-1# 4%, organic carrier 1# 42%, organic Carrier 2# 7%, organic bentonite 0.8%, polyethylene micronized wax 0.5%, YL-2 glass resin 0.5%, 9100 varnish 0.7%, dibasic ester (DBE) 5.5%.

[0044] The D50 values ​​of the flaky silver powder SF-1# and SF-2# are 3.49 μm and 1.46 μm respectively, the D50 value of the flaky nickel powder NF-1# is 8.28 μm, and the organic carrier 1# is 12 % Dow VAGH-004 resin is fully stirred and dispersed in 88% DBE, and the organic vehicle 2# is 20% Dow VAGH-003A resin, fully stirred and dispersed in 80% DBE.

[0045] Above-mentioned conductive silver paste preparation method comprises the following steps:

[0046] Step 1, premixing of the slurry: First, fully dissolve the organic carrier 1#, organic carrier 2#, organic bentonite, polyethylene micronized wax, YL-2 glass resin, 9100 ...

Embodiment 3

[0050] The conductive silver paste of the present embodiment is made up of following mass percentage material: flaky silver powder SF-1# 38%, SF-2#1%, flaky nickel powder NF-1# 4%, organic carrier 1# 42%, organic Carrier 3# 7%, organic bentonite 0.8%, polyethylene micronized wax 0.5%, YL-2 glass resin 0.5%, 9100 varnish 0.7%, dibasic ester (DBE) 5.5%.

[0051] The D50 values ​​of the flaky silver powder SF-1# and SF-2# are 3.49 μm and 1.46 μm respectively, the D50 value of the flaky nickel powder NF-1# is 8.28 μm, and the organic carrier 1# is 12 % Dow VAGH-004 resin is fully stirred and dispersed in 88% DBE, and the organic vehicle 3# is 20% Dow VAGH resin, fully stirred and dispersed in 80% DBE.

[0052] Above-mentioned conductive silver paste preparation method comprises the following steps:

[0053] Step 1, premixing of the slurry: First, fully dissolve the organic carrier 1#, organic carrier 3#, organic bentonite, polyethylene micronized wax, YL-2 glass resin, 9100 varni...

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
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a low-temperature polymer conductive silver paste with high adhesion and strong weather resistance, which comprises 39% of flaky silver powder, 4% of flaky nickel powder, 46-49% of hydroxyl-modified ternary vinegar resin carrier, carboxyl Modified tertiary vinyl resin carrier 0-8%, organic bentonite 0.8%, polyethylene micropowder wax 0.5%, YL-2 glass resin 0.5%, 9100 varnish 0.7% and dibasic acid ester 3.5-8.5%, flake There are two kinds of silver powders. The hydroxyl-modified ternary vinyl chloride resin carrier is prepared by fully dissolving one of three different organic resins in DBE. The carboxyl-modified ternary vinyl chloride resin carrier is prepared by one of three different organic resins. It is prepared by fully dissolving in DBE; its preparation method is also disclosed. It is obtained by mixing flake silver powder, flake nickel powder and vinyl acetate resin, and optimizing rolling with additives and organic solvents, etc., showing high adhesion and strong weather resistance , Small square resistance of the film layer, short delivery period, good printability, etc., have strong market competitiveness, and provide a scientific basis for the research and development of the low-temperature polymer conductive silver paste industry.

Description

technical field [0001] The invention belongs to the technical field of new materials, and in particular relates to a low-temperature polymer conductive silver paste with high adhesion and strong weather resistance, and a preparation method thereof. Background technique [0002] Low-temperature polymer conductive silver paste is a key functional material in the electronic industry information field. The conductive film layer prepared by screen printing process is widely used in membrane switches, keyboards, touch screens and radio frequency identification labels. Electronic components are developing toward miniaturization and functional integration, making the conductive silver paste have excellent electrical conductivity, printability, water resistance, hardness, and flexibility, as well as better adhesion and weather resistance. [0003] At present, domestic silver paste manufacturers such as Guiyan Platinum, Shanghai Baoyin, Shanghai Jiuyin, Zhongke Natong, Betley and othe...

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
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H01B1/22H01B13/00
CPCH01B1/22H01B13/00
Inventor 游立张辛潔丁刚强张奕刘倩倩
Owner WUHAN MARINE ELECTRIC PROPULSION RES INST CHINA SHIPBUILDING IND CORP NO 712 INST
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com