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Carbon battery sealing glue and preparation method thereof

A sealing glue and battery technology, applied in battery pack parts, battery boxes/jackets, circuits, etc., can solve the problems of high cost, easy aging of carbon battery sealing glue, inconvenient use, etc., and achieve low cost and experimental conditions. Mild, good aging resistance

Inactive Publication Date: 2015-02-18
WEIFANG HUIZHI CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention proposes a carbon battery sealing glue and its preparation method, which solves the problems of easy aging, high cost and inconvenient use of carbon battery sealing glue in the prior art

Method used

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  • Carbon battery sealing glue and preparation method thereof
  • Carbon battery sealing glue and preparation method thereof
  • Carbon battery sealing glue and preparation method thereof

Examples

Experimental program
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preparation example Construction

[0030] See attached figure 1 , a preparation method of carbon battery sealant, comprising the following steps:

[0031] 1) Heat the asphalt to 150-220°C, melt it, stir, and add lubricating oil and epoxy resin to obtain the crude product;

[0032] 2) When the temperature of the crude product obtained in step 1) drops to 80-120° C., add gasoline therein, stir evenly, wait for the water to volatilize, filter, pack, and obtain the product.

[0033] In the step 2), the gasoline addition rate is 1-4% of the total gasoline weight added per minute, the stirring speed is 50-120r / min, the stirring time is 10-200min, and the particle diameter of the filter screen is 200-400 mesh .

[0034] In the step 1), the temperature of the bitumen is 180-200°C, and the heating time is 2-48h.

Embodiment 1

[0036] 1) prepare materials according to the following percentages by weight, modified asphalt 80%, lubricating oil 10%, epoxy resin 5% and gasoline 5%, wherein, gasoline is solvent gasoline, and the softening point of modified asphalt is 95 degrees;

[0037] 2) Heat the asphalt to 150°C for 12 hours to melt and stir, then turn off the heating and continue to add the lubricating oil and epoxy resin to obtain the crude product;

[0038] 3) When the temperature of the crude product obtained in step 1) drops to 80° C., slowly add the above-mentioned gasoline to it, stir evenly, and wait until no bubbles are generated on the surface, that is, the water is volatilized, filtered, and packaged to obtain the product.

[0039] The resulting sealing glue is composed of 80wt% asphalt, 10wt% lubricating oil, 5wt% epoxy resin and 5wt% gasoline. The sealing glue is applied to the sealing part of the carbon battery, and the sealing effect is good, and the aging resistance is good. It does no...

Embodiment 2

[0041] 1) prepare materials according to the following weight percentages, oxidized asphalt 60%, lubricating oil base oil 20%, epoxy resin 15% and gasoline 5%, wherein, the softening point of oxidized asphalt is 100 degrees;

[0042] 2) Heat the asphalt to 190°C for 48 hours to melt and stir, then turn off the heating and continue adding the above lubricating oil base oil and epoxy resin to obtain a crude product;

[0043] 3) When the temperature of the crude product obtained in step 1) drops to 100° C., slowly add the above-mentioned gasoline in it, the addition speed of gasoline is 1% of the total weight of gasoline added per minute, stir evenly, and stir at 50r / min Stir at high speed for 200 minutes to complete the evaporation of water, filter through a 200-mesh filter, and pack to obtain the product.

[0044] The resulting sealing glue is composed of 60wt% asphalt, 20wt% lubricating oil, 15wt% epoxy resin and 5wt% gasoline. The sealing glue is applied to the sealing part o...

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Abstract

The invention provides carbon battery sealing glue and a preparation method thereof, and relates to the technical field of battery sealing materials. The problems that existing carbon battery sealing glue is easy to age, high in cost and inconvenient to use are solved. The carbon battery sealing glue comprises the components in percentage by weight: 20-80 percent of asphalt, 10-30 percent of lubricating oil, 5-30 percent of epoxy resin and 5-20 percent of gasoline. The preparation method comprises the steps of heating the asphalt to 150-220 DEG C, adding the lubricating oil and the epoxy resin, adding the gasoline under the temperature being 80-120 DEG C, and fully stirring and filtering to obtain a product. The sealing glue is prepared from the asphalt, the lubricating oil, the epoxy resin and the gasoline under the cooperative action; the sealing glue is high in aging resistance, high in adhesion property with a zinc barrel, a plastic sealing ring and a carbon stick and low in cost; meanwhile, the temperature sensing property is high, so that the carbon battery sealing glue can adapt to the change of ambient temperature; by proper flowability, the carbon battery sealing glue is convenient to coat and good in sealing effect; the life span of a battery product is prolonged.

Description

technical field [0001] The invention relates to the technical field of battery sealing materials, in particular to a carbon battery sealing glue and a preparation method thereof. Background technique [0002] Carbon batteries, also known as zinc-manganese batteries, are currently the most common dry batteries. The main components of the electrolyte of zinc-manganese dry batteries are ammonium chloride, zinc chloride and water, which exist in a certain proportion. If the sealing performance of the battery is not good, the water in the electrolyte will volatilize and the battery will not work normally. On the other hand, oxygen in the outside air will also enter the interior of the battery to oxidize the zinc and reduce the service life of the battery. It can be seen that sealing plays an important role in zinc-manganese dry batteries, and the quality of the seal directly determines the quality of zinc-manganese dry batteries. [0003] In the past, zinc-manganese dry batteri...

Claims

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Application Information

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IPC IPC(8): H01M2/08C09J195/00C09J163/00C09J11/06H01M50/19
CPCC09J11/06C09J163/00C09J195/00H01M50/183Y02E60/10
Inventor 裴建军
Owner WEIFANG HUIZHI CHEM
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