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Environment-friendly self-adhesive sealing agent for alkaline battery and preparation method of environment-friendly self-adhesive sealing agent

An alkaline battery, environmentally friendly technology, applied in the direction of adhesives, epoxy resin glue, adhesive types, etc., can solve the problems of few types of alkaline battery sealants, poor comprehensive performance, etc., to achieve good sealing, excellent resistance Alkaline performance and water resistance, the effect of preventing alkali climbing

Active Publication Date: 2015-02-18
CHINA PETROLEUM & CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are few types of alkaline battery sealing agents in China, and the overall performance is poor. Battery sealing agents for high-end products still mainly rely on imports, such as domestic Fujian Nanfu Battery Factory, Ningbo Zhongyin Battery Factory, Jiangmen King Kong Battery Factory, Shantou Zhenglong Battery Factory, etc. Battery factories all use alkaline battery sealing agent imported from Fuji, Japan, and there is little research on alkaline battery sealing agent

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Put 500 kg of polybutene in a reaction kettle, heat up to 120°C, then add 200 kg of No. 70 bitumen, 100 kg of carbon 5 petroleum resin, 200 kg of epoxy resin E-44 and 1 kg of boric acid, and stir for 180 minutes to Dissolved completely, that is, environment-friendly alkaline battery self-adhesive sealant. Under the conditions of temperature 60°C and humidity 90%, the high-temperature and high-humidity storage test was carried out, and no liquid leaked after storage for 100 days.

Embodiment 2

[0032] Put 500 kg of polybutene in the reaction kettle, heat up to 125°C, then add 250 kg of No. 50 bitumen, 100 kg of carbon 5 petroleum resin, 150 kg of epoxy resin E-51 and 1 kg of boric acid, and start stirring for 240 minutes When it dissolves completely, the environment-friendly alkaline battery self-adhesive sealant is obtained. Under the conditions of temperature 60°C and humidity 90%, the high-temperature and high-humidity storage test was carried out, and no liquid leaked after storage for 100 days.

Embodiment 3

[0034] Put 549 kg of polybutene in the reaction kettle, heat up to 130°C, then add 250 kg of No. 50 asphalt, 100 kg of phenolic resin, 100 kg of epoxy resin E-51 and 1 kg of boric acid, and start stirring for 200 minutes until dissolved Complete, that is, an environmentally friendly self-adhesive sealant for alkaline batteries. Under the conditions of temperature 60°C and humidity 90%, the high-temperature and high-humidity storage test was carried out, and no liquid leaked after storage for 100 days.

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PUM

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Abstract

The invention provides an environment-friendly self-adhesive sealing agent for an alkaline battery. The environment-friendly self-adhesive sealing agent comprises components in percentage by mass as follows: 30%-60% of polybutylene, 10%-35% of epoxy resin, 15%-35% of asphalt, 5%-20% of viscosity increasing resin and 0.1%-3% of an alkali prevention additive. The invention further discloses a preparation method of the environment-friendly self-adhesive sealing agent for the alkaline battery. The environment-friendly self-adhesive sealing agent for the alkaline battery doesn't contain a solvent, has good alkaline resistance and water resistance properties, has good wettability on metal and nylon seal rings, can fill the recessed position of a glued surface to form a continuous viscoelastic adhesive film and has excellent sealing property.

Description

technical field [0001] The invention relates to a battery sealing agent, in particular to an environment-friendly alkaline battery self-adhesive sealing agent, and also relates to a preparation method of the alkaline battery self-adhesive sealing agent. Background technique [0002] The sealing of alkaline batteries directly affects the service life of the batteries. The sealing quality of alkaline batteries is related to many factors, except for the surface treatment of the parts to be bonded, it is mainly related to the adhesive used. Alkaline battery sealants include asphalt series, epoxy resin series and other resin series. There are many types of asphalt series battery sealants, some are made of asphalt, mixed with rosin and engine oil, some are made of asphalt plus aviation kerosene, and some are made of asphalt, ozokerite, vacuum wax and trichlorethylene Yes, these asphalt series battery sealants only have alkali resistance and no high elasticity. Under the action o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J163/00C09J195/00C09J11/08C09J11/04
Inventor 梁智永骆新平李洁叶伟健周万里谭伟红刘振
Owner CHINA PETROLEUM & CHEM CORP
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