Jar cover sealant for storage battery of electric automobile
A technology for electric vehicles and batteries, applied in the direction of adhesives, epoxy resin glue, adhesive types, etc., can solve the problems of battery leakage and airtightness, and achieve the effect of strong tensile and shear strength and good fluidity
Inactive Publication Date: 2014-01-01
SHANDONG SACRED SUN POWER SOURCES
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AI Technical Summary
Problems solved by technology
[0003] The purpose of the present invention is to provide a slot cover sealant for electric vehicle batteries, which can overcome the problems of battery leakage and air tightness caused by insufficient curing stretching and shearing strength, and has good fluidity, strong stretching and shearing strength specialty
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0007] When preparing the sealant, first add component A into the mixing tank according to the composition weight ratio and stir evenly to obtain component A, then add the above-mentioned component B into the mixing bucket according to the composition weight ratio and stir evenly to obtain component B; finally put A and B components are mixed according to the weight ratio of 2:1 and stirred evenly. Because polystyrene is added to the sealant as a diluent, it has good fluidity. It will quickly and automatically level when injected into the battery cover tank, which greatly improves the work efficiency of manual sealing. Because of its good fluidity, it is not easy to produce Air bubbles ensure the sealing effect.
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The invention discloses a jar cover sealant for a storage battery of an electric automobile and relates to storage batteries. The jar cover sealant is used for solving the problems that domestic electric automobiles are popularized, in order to guarantee the sealing performance of jar covers of the storage battery, methods adopted in the industry generally are used for prolonging the curing time of a sealant and enhancing the curing, tensile and shear strength of the sealant among the jar covers, however, the effect is not ideal, the production efficiency is low and the energy consumption is high. The jar cover sealant is characterized by comprising an ingredient A and an ingredient B, wherein the weight ratio of the ingredient A to the ingredient B is 2:1; the ingredient A is prepared from the following components in parts by weight: 80-100 parts of epoxy resin, 10-40 parts of a diluent and 70-90 parts of a bulking agent; the ingredient B is prepared from the following components in parts by weight: 40-60 parts of a curing agent and 50-60 parts of a bulking agent; the epoxy resin is bisphenol A type epoxy resin, and the diluent is polystyrene. The jar cover sealant has the beneficial effect of good fluidity and strong tensile and shear strength.
Description
technical field [0001] The invention relates to a storage battery, in particular to a formula of a slot cover sealant for an electric vehicle storage battery with good fluidity and strong tensile and shear strength and a preparation method thereof. Background technique [0002] At present, domestic electric vehicles are popularized, and it is found that the leakage and air-tightness problems caused by the insufficient sealant of the battery tank cover are an important factor leading to battery failure. In order to ensure the sealing performance of the battery tank cover, the method adopted in the industry is generally to increase the curing time of the sealant in production, and to strengthen the curing stretching and shearing strength of the sealant between the tank covers, but the effect is not ideal, the production efficiency is low, and the energy consumption is high. . Contents of the invention [0003] The purpose of the present invention is to provide a slot cover ...
Claims
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IPC IPC(8): C09J163/02C09J125/06C09K3/10
Inventor 孔超高海洋
Owner SHANDONG SACRED SUN POWER SOURCES