Lead-cadmium-free glass powder and preparation method thereof, and conductive aluminum paste and preparation method thereof

A conductive silver paste, lead-free cadmium technology, applied in the field of conductive silver paste and its preparation, lead-cadmium-free glass powder and its preparation, can solve the problem of poor corrosion resistance of conductive silver paste, affecting the performance and life of the windshield, and easy aging and other problems to achieve the effect of improving ball milling efficiency, shortening ball milling time and prolonging service life

Pending Publication Date: 2020-09-18
厦门翰森达电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The above existing technical solutions have the following defects: the corrosion resistance of the conductive silver paste in the prior art is poor, and it is easy to age after long-term use, which affects the performance and life of the windshield

Method used

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  • Lead-cadmium-free glass powder and preparation method thereof, and conductive aluminum paste and preparation method thereof
  • Lead-cadmium-free glass powder and preparation method thereof, and conductive aluminum paste and preparation method thereof
  • Lead-cadmium-free glass powder and preparation method thereof, and conductive aluminum paste and preparation method thereof

Examples

Experimental program
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Effect test

preparation example 1

[0051] The preparation methods are the same in Preparation Examples 1-8, except that the amounts of raw materials are different (see Table 1 for details). The following takes Preparation Example 1 as an example for illustration.

[0052] A kind of lead-free cadmium glass frit disclosed in embodiment 1 of the present invention is prepared through the following steps:

[0053] S1. Weigh and mix the raw materials in corresponding parts by weight, and keep warm at 1000°C for 3 hours to obtain molten glass;

[0054] S2. Pour the glass liquid into water to quench, then add alcohol, ball mill to 1 μm, and dry to obtain lead-cadmium-free glass powder.

[0055] Table 1 Composition and dosage of lead-free cadmium glass powder

[0056]

[0057]

preparation example 9

[0058] Preparation Example 9 differs from Preparation Example 1 in that:

[0059] After the raw materials are evenly mixed, keep warm at 1150°C for 2.5 hours to obtain molten glass, then pour the molten glass into water to quench, then add alcohol, ball mill to 2 μm, and dry to obtain lead-free cadmium glass powder

preparation example 10

[0060] Preparation Example 10 differs from Preparation Example 1 in that:

[0061] After the raw materials are evenly mixed, keep warm at 1200°C for 2 hours to obtain molten glass, then pour the molten glass into water to quench, then add alcohol, ball mill to 3 μm, and dry to obtain lead-free cadmium glass powder.

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Abstract

The invention relates to lead-cadmium-free glass powder, a preparation method of the lead-cadmium-free glass powder, conductive aluminum paste and a preparation method of the conductive aluminum paste, and belongs to the technical field of conductive paste. The lead-cadmium-free glass powder comprises, by weight, 15 to 45 parts of silicon dioxide, 5 to 30 parts of zinc oxide, 10 to 35 parts of bismuth oxide, 2 to 15 parts of titanium dioxide, 3 to 20 parts of diboron trioxide, 0.1 to 5 parts of aluminum oxide, 0.1 to 5 parts of lithium oxide, 0.015 to 5 parts of fluorine gas, 0.1 to 40 parts of a softening agent, 0 to 20 parts of a nucleating agent, 0 to 7 parts of a corrosion resistance enhancer, 0 to 10 parts of a glass clarifying agent and 0 to 15 parts of a filler. The corrosion-resistant coating has the advantage of being good in corrosion resistance.

Description

technical field [0001] The application belongs to the technical field of conductive paste, and in particular relates to a lead-free cadmium glass powder and a preparation method thereof, and a conductive silver paste and a preparation method thereof. Background technique [0002] Conductive silver paste is a viscous paste of a mechanical mixture composed of high-purity metallic silver particles, binders, solvents and additives. It can be used in many fields such as solar cells and automobile windshields. [0003] The principle of conductive silver paste used in defrosting and defogging of automobile windshields is: the conductive silver paste is printed on the automobile glass and tempered, and then coated on the glass surface by sintering, so that the glass surface has a certain resistance and emits The heat removes the frost and fog on the glass surface, so as to achieve the effect of defrosting and defogging. [0004] Existing conductive silver pastes include polymer sil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C12/00C03C3/118C03C1/00C04B26/04H01B1/16H01B1/22H01B13/00C04B111/94
CPCC03C12/00C03C3/118C03C1/004C04B26/04H01B1/22H01B1/16H01B13/00C04B2111/94
Inventor 陆士卫
Owner 厦门翰森达电子科技有限公司
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