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Thin type temperature fuse and fluxing medium therefore

A temperature fuse and flux technology, applied in the direction of electrical components, circuits, emergency protection devices, etc., can solve the problems of high corrosion, easy oxidation, discoloration, acidity, and large crystallization tendency, and achieve good long-term durability and low volatility , the effect of high flash point

Active Publication Date: 2009-06-24
SHANGHAI CHANGYUAN WAYON CIRCUIT PROTECTION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, fluxes at home and abroad contain a large amount of rosin. When rosin is used directly, it has defects such as large crystallization tendency, easy oxidation and discoloration, high acidity and strong corrosion.

Method used

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  • Thin type temperature fuse and fluxing medium therefore
  • Thin type temperature fuse and fluxing medium therefore
  • Thin type temperature fuse and fluxing medium therefore

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] A flux for a thin temperature fuse. The preparation method is as follows: Weigh 40g of disproportionated rosin, add 4ml of ethanol to a water bath and heat it to melt, measure 8ml of diglycolamine, add it slowly, stir while adding, and finally dissolve 0.5g Mix ethyl silicone oil into it, stir evenly, and make flux A after cooling.

Embodiment 2

[0051] A kind of flux for thin temperature fuse, the preparation method is: weigh 40g of disproportionated rosin, add 4ml of ethanol in a water bath and heat it to melt, measure 8ml of triethanolamine, add it slowly, stir while adding, and finally add 0.5g of ethyl Mix silicone oil into it, stir evenly, and make flux B after cooling.

Embodiment 3

[0053] A kind of flux for thin temperature fuse, the preparation method is: weigh 40g of disproportionated rosin, add 4ml of n-butanol in a water bath and heat it to melt, measure 8ml of diglycolamine, add it slowly, stir while adding, and finally Mix 0.5g of ethyl silicone oil into it, stir evenly, and make flux C after cooling.

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Abstract

The invention discloses a thin temperature fuse-related fluxing agent and a thin temperature fuse, relating to the over-temperature protection thin elements used for electronics-related products; particularly, the invention discloses a thin temperature fuse-related fluxing agent for cell phone batteries, a fluxing agent preparation method and a thin temperature fuse. The thin temperature fuse-related fluxing agent is prepared with rosin, alcohol amines, alcohols and silicone oil; based on weight percentage, the fluxing agent comprises 70-80% of rosin, 10-20% of alcohol amines, 5-8% of alcohols and 0.5-3% of silicone oil. The fluxing agent has low acid value and greatly reduces the corrosion to metals; besides, the fluxing agent has good long-term durability and obvious fluxing effect and can quickly wet the metals and enables the metals to be fused; the fluxing agent is not crystallized in high and low temperature alternation and is anti-oxidation; moreover, the fluxing agent has high flash point, small volatility and good insulation, and is an ideal fluxing agent for temperature fuses.

Description

technical field [0001] The flux for a thin temperature fuse and the thin temperature fuse of the present invention relate to over-temperature protection thin components for electronic related products, in particular a flux for a thin temperature fuse for a mobile phone battery, a preparation method of the flux, and a thin temperature fuse. Background technique [0002] Small power supplies, especially secondary batteries represented by lithium batteries, have been widely used, but the manufacturing technology of lithium batteries is not perfect, and the underlying technology of lithium-ion batteries is potentially dangerous. At present, most batteries only rely on over-current or voltage protection, that is to say, they can only provide over-current or over-voltage protection, but even in the state of stable current and voltage, according to Joule's law of heat, the temperature will continue to rise. If it continues to rise, it will either directly cause an explosion; or the...

Claims

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Application Information

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IPC IPC(8): H01H85/06C08L93/04C08K5/17H01H85/05H01H85/08
Inventor 张子川钱朝勇李金琢沈十林李从武
Owner SHANGHAI CHANGYUAN WAYON CIRCUIT PROTECTION CO LTD
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