{
  "$type": "site.standard.document",
  "description": "Regarding a polypropylene series resin porous film having a polypropylene series resin as the main component, so as to exert excellent slipping ability and processability when used as a battery separator, a polypropylene series resin porous film fabricated in such a way that the coefficient of…",
  "path": "/patents/994188",
  "publishedAt": "2013-01-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B29C55/005",
    "MITSUBISHI PLASTICS INC [JP]"
  ],
  "textContent": "Regarding a polypropylene series resin porous film having a polypropylene series resin as the main component, so as to exert excellent slipping ability and processability when used as a battery separator, a polypropylene series resin porous film fabricated in such a way that the coefficient of static friction against film is greater than the coefficient of static friction against SUS is proposed.",
  "title": "METHOD OF PRODUCING A POROUS POLYPROPYLENE RESIN FILM, CELL SEPARATOR, AND CELL"
}