{
  "$type": "site.standard.document",
  "description": "A polyolefin microporous membrane formed of a polypropylene-based resin composition comprising 20 to 95% by mass of a polypropylene-based resin having (polypropylene)/(propylene copolymer) (mass ratio) of 90/10 to 0/100 and 5 to 80% by mass of an inorganic filler, wherein a melting point of the…",
  "path": "/patents/977414",
  "publishedAt": "2014-03-19T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B29C48/0018",
    "ASAHI KASEI E MATERIALS CORP [JP]"
  ],
  "textContent": "A polyolefin microporous membrane formed of a polypropylene-based resin composition comprising 20 to 95% by mass of a polypropylene-based resin having (polypropylene)/(propylene copolymer) (mass ratio) of 90/10 to 0/100 and 5 to 80% by mass of an inorganic filler, wherein a melting point of the propylene copolymer is 110°C to 150°C, and a ratio of (propylene copolymer)/ (inorganic filler) (mass ratio) is 0.1/1 to 1.5/1.",
  "title": "Polyolefin microporous membrane useful as separator for electricity storage device"
}