{
  "$type": "site.standard.document",
  "description": "The present invention provides a polyolefin microporous membrane in which a degree of crystallinity is from 60 to 85%, and a tie molecular volume fraction is from 0.7 to 1.7%.",
  "path": "/patents/993414",
  "publishedAt": "2013-01-30T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B32B23/08",
    "TEIJIN LTD [JP]"
  ],
  "textContent": "The present invention provides a polyolefin microporous membrane in which a degree of crystallinity is from 60 to 85%, and a tie molecular volume fraction is from 0.7 to 1.7%.",
  "title": "POLYOLEFIN MICROPOROUS MEMBRANE, METHOD FOR PRODUCING SAME, SEPARATOR FOR NONAQUEOUS SECONDARY BATTERY AND NONAQUEOUS SECONDARY BATTERY"
}