Glue and ink-jet tape using the same

By using an adhesive composed of modified styrene-isoprene-styrene block copolymer, hydrogenated nitrile rubber, and reactive liquid rubber, a three-dimensional network structure is formed, which solves the problem of poor electrolyte resistance of the tape in the electrolyte environment and achieves stable adhesion and good bonding between the adhesive layer and the ink layer.

CN117683486BActive Publication Date: 2026-07-24DONGGUAN AOZON ELECTRONICS MATERIAL +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
DONGGUAN AOZON ELECTRONICS MATERIAL
Filing Date
2023-11-14
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing tapes have poor resistance to electrolyte in electrolyte environments, which leads to reduced chemical stability of the adhesive layer and easy loss of adhesion between the adhesive layer and the ink layer, thus affecting battery performance.

Method used

The adhesive, composed of modified styrene-isoprene-styrene block copolymer, hydrogenated nitrile rubber, reactive liquid rubber, and tackifying resin, enhances the electrolyte resistance and chemical stability of the adhesive layer by forming a three-dimensional network structure. Furthermore, the adhesive's adhesion is improved by forming chemical bonds between the reactive liquid rubber and the epoxy groups in the ink.

Benefits of technology

It improves the electrolyte resistance and chemical stability of the adhesive layer, enhances the adhesion between the adhesive layer and the ink layer, prevents electrolyte corrosion, and maintains good bonding performance.

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    Figure CN117683486B_ABST
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Abstract

The present application provides a kind of glue and the ink-jet adhesive tape for applying it, according to mass fraction calculation, the glue includes 15-25 modified styrene-isoprene-styrene block copolymer, 5-15 hydrogenated butyl nitrile rubber, 15-25 amorphous poly-alpha olefin, 20-30 tackifying resin, 5-15 liquid rubber;The functional groups of reactive liquid rubber include at least one of amino, hydroxyl, cyano. By introducing modified styrene-isoprene-styrene block copolymer, hydrogenated butyl nitrile rubber, reactive liquid rubber simultaneously, the electrolyte resistance of ink-jet adhesive tape can be synergistically enhanced. Reactive liquid rubber can react with epoxy group, thereby improving the adhesion between ink. By collocating the above material, a stable three-dimensional network can be formed, thereby giving the glue layer good electrolyte resistance, bonding performance, and adhesion performance with ink.
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