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A kind of environment-friendly water-based zno printing paste and preparation method thereof

A water-based, environmentally friendly technology, applied in the direction of varistor cores and varistors, etc., can solve the problems of serious physical injury to production line workers, odor of printing paste, and equipment is not easy to clean, so as not to damage physical health and raw materials. The effect of low carbon, simple and easy preparation method

Active Publication Date: 2015-07-29
SHENZHEN ZHENHUA FU ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, ZnO printing pastes are all organic system printing pastes. This organic system printing paste has odor, the equipment is not easy to clean, the cost is high, the environment is polluted seriously, and it is harmful to the human body of the production line.

Method used

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  • A kind of environment-friendly water-based zno printing paste and preparation method thereof
  • A kind of environment-friendly water-based zno printing paste and preparation method thereof
  • A kind of environment-friendly water-based zno printing paste and preparation method thereof

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preparation example Construction

[0031] see figure 1 , the embodiment of the present invention also provides a method for preparing an environmentally friendly water-based ZnO printing paste, comprising the following steps:

[0032] S01: Weigh each component according to the proportion of the above-mentioned environmentally friendly water-based ZnO printing paste;

[0033] S02: Dissolve the ammonium acrylate polymer in the mixed solution of water and polyol, add ZnO powder, stir and disperse to obtain a mixed system;

[0034] S03: dispersing the polyvinyl alcohol adhesive in an amphiphilic solvent to obtain a polyvinyl alcohol adhesive solution;

[0035] S04: Add the polyvinyl alcohol binder solution prepared in step S03 to the mixing system prepared in step S02, and roll and grind it to obtain the environmentally friendly water-based ZnO printing paste.

[0036] In step S01, the ratio of each component is selected and accurately calculated. The preferred contents and types of each component of the environ...

Embodiment 1

[0043]Add 0.6 g of ammonium polyacrylate dispersant to 100 g of water and ethylene glycol solution with a weight ratio of 1:0.7, and then add 280 g of ZnO powder, stir and disperse to obtain a mixed solution.

[0044] Weigh 5g of polyvinyl alcohol adhesive GH-22 polyvinyl alcohol and disperse it in 15g of ethylene glycol butyl ether, then add it to the above mixed solution, stir, roll and grind on a roller mill to obtain the environmentally friendly water-based ZnO printing paste.

Embodiment 2

[0046] Add 0.55 g of ammonium polyacrylate dispersant to 100 g of water and propylene glycol solution with a weight ratio of 1:0.8, and then add 320 g of ZnO powder, stir and disperse to obtain a mixed solution.

[0047] Weigh 5.9g polyvinyl alcohol adhesive GH-22 type polyvinyl alcohol and disperse it in ethylene glycol butyl ether, then add it to the above mixed solution, stir, roll and grind on a roller mill to obtain the environmentally friendly water ZnO-based printing paste.

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Abstract

The invention provides environment-friendly water-based ZnO printing slurry. the environment-friendly water-based ZnO printing slurry comprises ZnO powder, a mixing solvent and a polyvinyl alcohol binder in weight ratio of (2.8-3.2):1:(0.05-0.065), wherein the mixing solvent is a mixture of water, an acrylic acid polymer, polyalcohol and an amphiphilic solvent in weight ratio of 1:(0.005-0.007):(0.7-1.0):(0.15-0.2). Further, the invention provides a preparation method of the environment-friendly water-based ZnO printing slurry. The environment-friendly water-based ZnO printing slurry provided by the invention has a good effect; the raw materials are low-carbon, environment-friendly, non-toxic and odorless and do not harm physical health. The preparation method of the environment-friendly water-based ZnO printing slurry is simple and practicable and can be industrially applied.

Description

technical field [0001] The invention belongs to the technical field of screen printing paste, and in particular relates to an environment-friendly water-based ZnO printing paste and a preparation method thereof. Background technique [0002] With the rapid development of information technology, especially the rapid development of tablet computers, flat-panel TVs, and mobile communications, new development opportunities have been provided for the development of chip electronic components. With the development of electronic products in the direction of miniaturization, thinning, multi-function, and high frequency, the LTCC process using low-temperature co-firing has become the mainstream technology for preparation. [0003] In the process of preparing chip components, the conductive printing paste is usually used as the conductive internal electrode through the sintering process, and the dielectric paste is used as the functional dielectric film through the sintering process. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01C7/112
Inventor 周正有李建辉樊应县
Owner SHENZHEN ZHENHUA FU ELECTRONICS
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