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A preparation method of silver wire for printed electronics with uniform conductivity

A silver wire and conductivity technology, applied in the field of nano-silver wire and its preparation, can solve the problems of low conductivity and the like, and achieve the effects of good conductivity, mild reaction conditions and short reaction time

Active Publication Date: 2011-12-28
SHANGHAI LANGYI FUNCTIONAL MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method solves the unique advantage of solvent volatilization, but its low conductivity is its fatal flaw

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1, 5g oil-soluble nano-silver is dissolved in 3.2g normal hexane, add 1.5g epoxy resin E-45 while stirring, 0.2g cross-linking agent tetraethyldiethanolamine, 0.1g surfactant dodecane Dimethyl betaine, after stirring evenly, spray "U" pattern on the plexiglass. Afterwards, the plexiglass was sintered at 130°C for 20 minutes, and the nano-silver wire was formed.

Embodiment 2

[0024] Embodiment 2, oil-soluble nano-silver cyclohexane dispersion liquid 6g (silver content is 4g) is added in the 2.2g normal hexane, adds 1g epoxy resin E-45, 0.11g tetraethyldiethanolamine while stirring, After stirring well, add about 0.1g OPE to adjust the viscosity. After fully mixing, spray "U" pattern on the plexiglass plate. Afterwards, the plexiglass was sintered at 130°C for 20 minutes, and the nano-silver wire was formed.

Embodiment 3

[0025] Example 3: Add 5 g of oil-soluble nano-silver to 2.5 g of n-hexane, add 2 g of epoxy resin E-45 and 0.2 g of tetraethyldiethanolamine while stirring, add about 0.3 g of OPE to adjust the viscosity after fully stirring. After fully mixing, spray "U" pattern on the plexiglass plate. Afterwards, the plexiglass was sintered at 130°C for 20 minutes, and the nano-silver wire was formed.

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PUM

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Abstract

The invention discloses a method for preparing a uniformly-conductive silver wire used for printed electronics. The method comprises the following specific steps of: spraying conductive printing ink on a printing substrate; and preparing the uniformly-conductive silver wire used for the printed electronics by a heating ablation method. The method has the good characteristics of convenience, rapidness, simple process, low ablation temperature and low electric conductivity, and can meet the requirement on production of modern microelectronic circuits.

Description

Technical field [0001] The invention relates to a silver wire for printed circuit and its preparation method, more specifically, it relates to a nano-silver wire for printed circuit with low sintering temperature, high electrical conductivity and simple preparation process. Preparation. Background technique [0002] As printing technology cross-penetrates more and more with other industry technologies, a series of new cross-techniques have emerged. "Printable Electronics Technology" is the organic integration of printing technology and electronic technology, which is another major breakthrough in the current technological development. It is a new technology that makes various electronic circuits or devices on various substrates, especially flexible substrates, by printing technology, so that it has functions such as electronic transmission, signal emission, electromagnetic shielding, photoelectric conversion, etc., and adopts the additive method , High-speed printing techn...

Claims

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Application Information

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IPC IPC(8): H05K3/12H05K1/09C09D11/10C09D11/52
Inventor 唐晓峰赵宏鑫
Owner SHANGHAI LANGYI FUNCTIONAL MATERIALS
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