{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreifpgs67lk5sre5nlxmadizc2vlnyjcxzjliba6yznxy3xns5txtpy"
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  "description": "The purpose is to provide a laminated porous film having shutdown characteristics, which are important in terms of ensuring safety, while also having excellent air permeation performance, which contributes to electrical performance, when used a separator for a battery. The present invention is a…",
  "path": "/patents/987804",
  "publishedAt": "2013-08-07T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B32B27/32",
    "MITSUBISHI PLASTICS INC [JP]"
  ],
  "textContent": "The purpose is to provide a laminated porous film having shutdown characteristics, which are important in terms of ensuring safety, while also having excellent air permeation performance, which contributes to electrical performance, when used a separator for a battery. The present invention is a laminated porous film characterized by comprising: a porous film layer having a thickness of 10 um or more, the main component thereof being a thermoplastics resin composition having a crystal-melting peak temperature of 150-250 °C; and a nonwoven fiber layer having a fiber diameter of 1 um or less, the main component thereof being a thermoplastic resin composition having a crystal-melting peak temperature of 100 °C to less than 150 °C; the air permeability of the laminated porous film being 10-10,000s/100mL.",
  "title": "LAMINATED POROUS FILM, SEPARATOR FOR BATTERY, AND BATTERY"
}