Adhesive film for metal terminal, metal terminal with adhesive film for metal terminal, power storage device using adhesive film for metal terminal, and method for producing power storage device
A metal terminal and adhesive technology, which is applied in the field of adhesive film for metal terminals, can solve problems such as easy reduction of adhesion, and achieve the effect of high adhesion strength
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Embodiment 1-16 and comparative example 1-6
[0149]
[0150] A polypropylene layer having a melting point and MFR described in Table 1 and having a thickness described in Table 2 was used as a base material (hereinafter, sometimes referred to as "PP layer"). In addition, maleic anhydride-modified polypropylene (hereinafter sometimes referred to as "PPa") having the melting point and melt flow rate (MFR) shown in Table 1 was used as the first polyolefin layer (PPa layer) and the second polyolefin layer (PPa layer) and the second polyolefin layer. Olefin layer (PPa layer). For Examples 1 to 12 and Comparative Example 3, two types of 3-layer polypropylene and maleic anhydride-modified polypropylene were extruded using a T-die extruder to obtain a PPa layer / PP layer / PPa layer laminated in this order. Adhesive film for metal terminals. Moreover, about Examples 13-16 and Comparative Examples 4-6, the adhesive film for metal terminals which laminated|stacked the PPa layer / PP layer / PPa layer sequentially was obtained by the i...
Embodiment 17
[0194]
[0195] An unstretched polypropylene layer (hereinafter, sometimes referred to as "CPP layer") having a melting point and MFR described in Table 3 and having a thickness described in Table 4 was used as a base material. In addition, polypropylene (PP) having a melting point and a melt mass flow rate (MFR) shown in Table 3 was used as the first polyolefin layer (PP layer), and maleic anhydride-modified polypropylene (PPa) was used as the second layer. 2 Polyolefin layer (PPa layer). On both sides of the substrate composed of unstretched polypropylene film (CPP layer), polypropylene (PP) and maleic anhydride-modified polypropylene (PPa) are extruded on one side at a time with a T-die extruder to obtain The adhesive film for metal terminals in which the PP layer / CPP layer / PPa layer were laminated|stacked in this order. Table 4 shows the thickness of each layer of the PP layer / CPP layer / PPa layer.
[0196] The physical properties such as tensile modulus, lower yield po...
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