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Preparation method of conducting silver glue

A technology of conductive silver glue and collodion, applied in the direction of conductive adhesives, cellulose derivative adhesives, etc., can solve the problems of not preparing conductive silver glue, achieve good bonding ability, easy to use, good resistance The effect of impact power

Inactive Publication Date: 2007-07-04
天津市怡佳商贸有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Conductive silver glue is a substance in the silver paste coating of glass glaze capacitors. At present, there is no ability to prepare conductive silver glue in China.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0006] Example 1: A preparation method of conductive silver glue, characterized in that it is completed according to the following steps: ① Weigh 20 grams of collodion, and stir 40 grams of acetone to form a collodion acetone solution; ② take 20 grams of triethanolamine Mix 40 grams of n-butanol and stir evenly to form a triethanolamine butanol solution; ③Put 200 grams of silver carbonate in the container, and then take 30 grams of n-butanol into the container and stir; ④When the temperature rises by 80 degrees Add 2 grams of collodion acetone solution, and then add 1 ml of triethanolamine solution. After 10 minutes, the water temperature will rise to 93 degrees; ⑤Under constant stirring, drip the triethanolamine solution from a dropper, and then add After dripping in 1 hour, the phenomenon of silver mirror will be formed in the later stage of the reaction; the stirring will be stopped when it is cooled to 60 degrees after keeping the temperature for 10 minutes; ⑥The silver glue i...

Embodiment 2

[0007] Embodiment 2: A preparation method of conductive silver glue, characterized in that it is completed according to the following steps: ① Weigh 30 grams of collodion, 50 grams of acetone and stir evenly to form a collodion acetone solution; ② take 40 grams of triethanolamine Mix with 60 grams of n-butanol and stir evenly to form a triethanolamine butanol solution; ③Put 300 grams of silver carbonate in the container, and then take 45 grams of n-butanol into the container and stir; ④When the temperature rises by 80 degrees Add 4 grams of collodion acetone solution, and then add 2 ml of triethanolamine butanol solution, after 10 minutes, the water temperature will rise to 93 degrees; After dripping after 2 hours, the phenomenon of silver mirror will be formed in the later stage of the reaction; the stirring will be stopped when it is cooled to 60 degrees after 10 minutes of heat preservation; ⑥After cooling, the silver glue is poured into the brown mouthful bottle and stored in ...

Embodiment 3

[0008] Example 3: A preparation method of conductive silver glue, characterized in that it is completed in accordance with the following steps: ① Weigh 60 grams of collodion, and stir 60 grams of acetone to form a collodion acetone solution; ② take 60 grams of triethanolamine Mix with 80 grams of n-butanol and stir evenly to form a triethanolamine butanol solution; ③Put 400 grams of silver carbonate in the container, and then take 60 grams of n-butanol into the container and stir; ④When the temperature rises by 80 degrees Add 6 grams of collodion acetone solution, and then add 3 ml of triethanolamine butanol solution, after 10 minutes, the water temperature will rise to 93 degrees; ⑤Drop in from a dropper under constant stirring, and finish dripping after 3 hours , The phenomenon of silver mirror in the later stage of the reaction; after 10 minutes of heat preservation, the stirring stops when it is cooled to 60 degrees; ⑥ After cooling, the silver glue is poured into the brown mo...

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PUM

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Abstract

The invention provides a method for preparing conductive silver colloid, comprising following steps: (1) preparing collodion acetone; (2) preparing triethanolamine butanol; (3) putting silver carbonate of 200- 400 units into container, and injecting 30- 60 units of butanol into container, stirring; (4) adding 2- 6 units of collodion acetone when temperature rises to 80 Deg. C, adding 1- 3 ml of triethanolamine butanol into container, and the temperature is heated to 93 Deg. C 10 minutes later; (5) dropping triethanolamine butanol using dropper with continuous stirring, 1- 3 hours later the dropping is finished and the silver mirror phenomenon will be formed at later reaction period; insulating temperare for 10 minutes, cooling to 60 Deg. C and stopping stirring; (6) pouring silve colloid into brown container, precipitating, pouring out of triethanolamine butanol in upper layer when gradation is obvious. The invention is characterized by convenient utilization, sound combined properties, good anti- compacting and adhesion power.

Description

Technical field: [0001] The invention relates to a method for preparing conductive adhesive, in particular to a method for preparing conductive silver adhesive used on glass glaze capacitors. Background technique: [0002] Glass glaze capacitors are the replacement products of mica capacitors. They have good physical, chemical and mechanical properties, especially heat resistance and stability. A wide range of superior electrical parameters can be obtained by developing different formulation components. Conductive silver glue is a substance in the silver paste coating of glass glaze capacitors. At present, there is no ability to prepare conductive silver glue in China. Summary of the invention: [0003] The purpose of the present invention is to provide a method for preparing conductive silver glue, which can be made into conductive silver glue with good comprehensive performance. [0004] The technical scheme of the present invention is: a preparation method of conductive silve...

Claims

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Application Information

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IPC IPC(8): C09J101/08C09J9/02
Inventor 董长生
Owner 天津市怡佳商贸有限公司
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