{
  "$type": "site.standard.document",
  "description": "Provided is a laminated porous film having excellent shutdown characteristics and breakdown characteristics, good tearing strength and dimensional stability, and B activity. The laminated porous film comprises layer A, the main component of which is a polypropylene resin, and layer B which contains…",
  "path": "/patents/992309",
  "publishedAt": "2013-03-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B32B27/08",
    "MITSUBISHI PLASTICS INC [JP]"
  ],
  "textContent": "Provided is a laminated porous film having excellent shutdown characteristics and breakdown characteristics, good tearing strength and dimensional stability, and B activity. The laminated porous film comprises layer A, the main component of which is a polypropylene resin, and layer B which contains a polyethylene resin, and the ratio of the rearing strength (H MD ) in the machine direction(MD) of the laminated porous film and the tearing strength (H TD ) in the transverse direction(TD)of the laminated porous film with respect to the machine direction (H MD ) (H TD ) is 0.08 to 2.0.",
  "title": "Laminated porous film, separator for lithium cell and cell"
}