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Ink-jet printing electric conduction ink capable of being subjected to room temperature sintering, and applications thereof

An inkjet printing and conductive ink technology, which is applied in the application field of inkjet printing conductive ink and inkjet printing conductive ink, can solve the problems of unsatisfactory sintering effect, complicated sintering equipment, and great damage to the substrate, so as to achieve good printing and smooth printing. It has the advantages of high stability, simple and cheap preparation, and strong printing continuity.

Active Publication Date: 2015-09-16
INST OF CHEM CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, traditional high-temperature sintering has two unavoidable disadvantages
First, high-temperature sintering consumes a lot of energy, and the sintering equipment is complicated
Second, high-temperature sintering is very destructive to the substrate. At present, many inkjet printed substrates cannot withstand high temperatures exceeding 150°C, resulting in unsatisfactory sintering effects.
[0011] The invention relates to an inkjet printing conductive ink that can be sintered at room temperature, and a room temperature sintering method thereof, which can solve the disadvantages caused by high temperature sintering

Method used

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  • Ink-jet printing electric conduction ink capable of being subjected to room temperature sintering, and applications thereof
  • Ink-jet printing electric conduction ink capable of being subjected to room temperature sintering, and applications thereof
  • Ink-jet printing electric conduction ink capable of being subjected to room temperature sintering, and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Using the method provided in the literature Zhiliang Zhang, Xingye Zhang, Yanlin Song. The synthesis of silver nanoparticles and its application in the ink-jet printing electrodes. Chemistry, 2011, 74 (10), 874-880, the preparation surface coated with as The silver nanoparticles of polyvinylpyrrolidone as a stabilizer, its polyvinylpyrrolidone accounts for 0.5% of the mass fraction of the silver nanoparticles coated with polyvinylpyrrolidone as a stabilizer on the surface, and the average particle size of the silver nanoparticles coated with polyvinylpyrrolidone on the surface The diameter is 50nm. Its scanning electron microscope picture is shown in figure 1 .

[0045] The inkjet printing conductive ink that can be sintered at room temperature is prepared by using the above-mentioned silver nanoparticles coated with polyvinylpyrrolidone on the surface. The composition and the mass percentage of each component of the inkjet printing conductive ink that can be sintered ...

Embodiment 2

[0067] Utilize the method for embodiment 1, prepare the silver nanoparticle that the surface is coated with polyvinylpyrrolidone as stabilizer, its polyvinylpyrrolidone accounts for 0.5% of the mass fraction of the silver nanoparticle that surface is wrapped with polyvinylpyrrolidone as stabilizer, the surface The average particle diameter of the silver nanoparticles wrapped with polyvinylpyrrolidone is 40nm.

[0068] Utilize above-mentioned silver nanoparticle that the surface is coated with polyvinylpyrrolidone to prepare the ink-jet printing conductive ink that can sinter at room temperature, the composition and the mass percentage of each component of the ink-jet printing conductive ink that can be sintered at room temperature are as follows:

[0069] Silver nanoparticles coated with polyvinylpyrrolidone: 18%

[0070] Ethylene glycol anisole: 80.15%

[0071] Polyacrylic acid: 0.25%

[0072] Sodium pyrophosphate: 1.5%

[0073] Sorbic acid: 0.02%

[0074] BYK410: 0.02% ...

Embodiment 3

[0088] Utilize the method for embodiment 1, prepare the silver nanoparticle that the surface is coated with polyvinylpyrrolidone as stabilizer, its polyvinylpyrrolidone accounts for 0.5% of the mass fraction of the silver nanoparticle that surface is wrapped with polyvinylpyrrolidone as stabilizer, the surface The average particle size of the silver nanoparticles wrapped with polyvinylpyrrolidone is 30nm.

[0089] Utilize above-mentioned silver nanoparticle that the surface is coated with polyvinylpyrrolidone to prepare the ink-jet printing conductive ink that can sinter at room temperature, the composition and the mass percentage of each component of the ink-jet printing conductive ink that can be sintered at room temperature are as follows:

[0090] Silver nanoparticles coated with polyvinylpyrrolidone: 30%

[0091] Ethylene glycol anisole: 68.15%

[0092] Polyacrylic acid: 0.25%

[0093] Sodium pyrophosphate: 1.5%

[0094] Sorbic acid: 0.02%

[0095] BYK410: 0.02%

[0...

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Abstract

The present invention relates to an ink-jet printing electric conduction ink capable of being subjected to room temperature sintering, and applications thereof. According to the present invention, silver nanoparticles with polyvinylpyrrolidone wrapped on the surface, a polymer resin, a solvent, a surfactant, a preservative, an antifoaming agent and a humectant are uniformly mixed to obtain the ink-jet printing electric conduction ink; the ink-jet printing electric conduction ink can be printed on a printed circuit board so as to prepare the pattern of an electric conduction trace, a treatment liquid is coated on the printed circuit board having the electric conduction trace pattern, and the electric conduction trace pattern printed through the ink-jet printing electric conduction ink is subjected to chemical sintering through the treatment liquid at a room temperature so as to obtain the electric conduction trace having good electric conduction property; and the ink-jet printing electric conduction ink has characteristics of low cost, excellent printing suitability and excellent durability, and can be matched with the room temperature sintering method of the present invention so as to make the printed electric conduction pattern achieve the good electric conduction property at the room temperature.

Description

technical field [0001] The invention belongs to conductive ink, in particular to an ink-jet printing conductive ink that can be sintered at room temperature, and an application of the ink-jet printing conductive ink. Background technique [0002] In recent years, the rapid development and increasing popularity of electronic information technology has been obvious to all. At the same time, the market demand for conductive circuits as the main material carrying part of electronic technology has reached 200 billion US dollars per year. At present, the circuit manufacturing technology still stays at the traditional technology level, mainly including photolithography, chemical etching, evaporation and silk screen printing. However, the traditional circuit manufacturing technology has inevitable defects such as high pollution, high waste, and high cost. [0003] Compared with the process of preparing conductive circuits on conventional printed circuit boards, the method of prepar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/30C09D11/52
CPCC09D11/30C09D11/52
Inventor 聂宜文张兴业张聪宋延林
Owner INST OF CHEM CHINESE ACAD OF SCI
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