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Environmentally-friendly alkaline battery sealant

A technology of alkaline batteries and sealants, which is applied to battery pack components, circuits, electrical components, etc., can solve problems such as leakage, toxicity, and non-compliance with environmental protection requirements, and achieve good sealing effects

Inactive Publication Date: 2013-01-02
QINGDAO BAOLIKANG NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The shortcoming and the deficiency of above-mentioned three kinds of existing alkaline battery sealants are: 1, they all use toluene or xylene as solvent, and toluene or xylene all have toxicity, do not meet environmental protection requirement
2. The batteries sealed by the first two types of sealants will leak due to the flow of the sealant under the long-term action of temperature and pressure.
3. The performance of the third type of sealant is better than the first two types, but under the action of higher temperature and pressure caused by the rapid charge and discharge of the battery, it will also leak due to the creep of the sealant

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] Conservative alkaline battery sealant, made by mixing the following components in parts by weight: 15 parts of nano-scale silicon dioxide, 10 parts of epoxy resin, 60 parts of chlorosulfonated polyethylene, 8 parts of tetraacetic acid, 130 parts of heptane Alkane, 3 parts dithiol, 60 parts styrene.

Embodiment 2

[0012] An environment-friendly alkaline battery sealant is characterized in that: it is formed by mixing the following components in parts by weight: 5 parts of nano-scale silicon dioxide, 8 parts of epoxy resin, 50 parts of chlorosulfonated polyethylene, 5 parts of Tetraacetic acid, 100 parts nonane, 1 part dithiol, 50 parts styrene.

Embodiment 3

[0014] An environment-friendly alkaline battery sealant is characterized in that: it is formed by mixing the following components in parts by weight: 20 parts of nano-scale silicon dioxide, 15 parts of epoxy resin, 80 parts of chlorosulfonated polyethylene, 10 parts Tetraacetic acid, 150 parts of ethyl acetate, 5 parts of dithiol, 70 parts of styrene.

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PUM

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Abstract

The invention discloses an environmentally-friendly alkaline battery sealant. The alkaline battery sealant is obtained through mixing 5-20 parts by weight of nanometer silica, 8-15 parts by weight of an epoxy resin, 50-80 parts by weight of chlorosulfonated polyethylene, 5-10 parts by weight of a tetraacetic acid, 100-150 parts by weight of a solvent, 1-5 parts by weight of a dithiol and 50-70 parts by weight of styrene. The alkaline battery sealant does not contain high-toxicity toluene or xylene, and simultaneously has a good sealing effect.

Description

technical field [0001] The present invention relates to an alkaline battery sealant. Background technique [0002] With the development of the modern electronic industry, batteries as a new type of energy are also developing rapidly. In particular, high-energy, rechargeable alkaline batteries are developing more rapidly. The electrolyte of the alkaline battery is a high-concentration KOH or NaOH solution. The lye is very easy to crawl along the battery seal and cause leakage, which makes the battery scrapped. Therefore, alkaline battery sealant is one of the indispensable materials in alkaline battery production. At present, there are three main systems of alkaline battery sealant: 1. Toluene or xylene solution system of special asphalt or epoxy modified asphalt; 2. Toluene or xylene solution system of polyisobutylene mixture with different molecular weight; 3. Epoxy modified asphalt Toluene or xylene solution system of permanent polyolefin and tackifying resin. The shor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F255/02C08F283/10C08F291/14C08F291/10C08K3/36H01M2/08
CPCY02E60/12Y02E60/10
Inventor 田敬强
Owner QINGDAO BAOLIKANG NEW MATERIALS