{
  "$type": "site.standard.document",
  "description": "The present invention relates to a porous membrane containing cellulose fibers, wherein the cellulose fibers contain 5% by weight or more of cellulose fibers with a diameter of 1 µm or more, relative to the total weight of the cellulose, and the porous membrane has a tensile strength of 50 N•m/g or…",
  "path": "/patents/983572",
  "publishedAt": "2013-10-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B29C44/22",
    "TOKUSHU TOKAI PAPER CO LTD [JP]"
  ],
  "textContent": "The present invention relates to a porous membrane containing cellulose fibers, wherein the cellulose fibers contain 5% by weight or more of cellulose fibers with a diameter of 1 µm or more, relative to the total weight of the cellulose, and the porous membrane has a tensile strength of 50 N•m/g or more, and/or has a tear strength of 0.40 kN/m or more. The porous membrane according to the present invention can provide a separator for electrochemical devices with superior properties, at a reasonable cost.",
  "title": "MICROPOROUS MEMBRANE"
}