Double-sided adhesive tape and lithium ion battery
A lithium-ion battery and double-sided adhesive tape technology, which is applied to battery pack components, circuits, adhesives, etc., can solve problems such as inaccurate positioning of the adhesive, bubbles, skew, etc., and achieve the effect of wrinkling the adhesive
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[0066] The double-sided adhesive tape provided in this embodiment includes a second bonding layer, a substrate layer, a first bonding layer and a release layer that are stacked in sequence, wherein:
[0067] The substrate layer is a PET layer with a thickness of 12 μm;
[0068] The second adhesive layer is obtained by polymerization of 40 parts by mass of hard monomer (VAc / LMA), 60 parts by mass of soft monomer (2-EHA / BA), and 0.5 parts by mass of initiator. It is hot-melt and resistant to electrolysis Liquid adhesive;
[0069] The thickness of the second adhesive layer is 4 μm;
[0070] The first adhesive layer consists of 20 mass parts of polystyrene, 15 mass parts of polydiene, 15 mass parts of styrene-butadiene copolymer, 8 mass parts of petroleum resin, 3 mass parts of fillers and 0.6 mass parts Parts of the initiator are polymerized and are pressure-sensitive and not resistant to electrolyte binders;
[0071] The thickness of the first adhesive layer is 4 μm;
[0072...
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