{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "The purpose of the present invention is to provide a separator which is for a power storage device, and which has high strength and can be thinned. The separator for a power storage device has a microporous membrane containing polyolefin as a main component, wherein the melt tension of the…",
  "path": "/patents/1413435",
  "publishedAt": "2025-11-05T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B32B27/08",
    "ASAHI CHEMICAL IND [JP]"
  ],
  "textContent": "The purpose of the present invention is to provide a separator which is for a power storage device, and which has high strength and can be thinned. The separator for a power storage device has a microporous membrane containing polyolefin as a main component, wherein the melt tension of the microporous membrane as measured at a temperature of 230°C is 30 mN or less, and the melt flow rate (MFR) of the microporous membrane as measured under a load of 2.16 kg and at a temperature of 230°C is 0.9 g/10 min or less.",
  "title": "SEPARATOR FOR POWER STORAGE DEVICE"
}