{
  "$type": "site.standard.document",
  "description": "Provided is a microporous film which is made of a thermoplastic resin composition comprising (a) 100 parts by mass of a polypropylene resin and (b) 5 to 90 parts by mass of a polyphenylene ether resin, and which has a sea island structure comprising a sea portion comprising the polypropylene resin…",
  "path": "/patents/1013933",
  "publishedAt": "2011-04-13T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C08J5/18",
    "ASAHI KASEI E MATERIALS CORP [JP]"
  ],
  "textContent": "Provided is a microporous film which is made of a thermoplastic resin composition comprising (a) 100 parts by mass of a polypropylene resin and (b) 5 to 90 parts by mass of a polyphenylene ether resin, and which has a sea island structure comprising a sea portion comprising the polypropylene resin as a principal component and an island portion comprising the polyphenylene ether resin as a principal component, wherein pores are formed at an interface between the sea portion and the island portion and within the sea portion.",
  "title": "MICROPOROUS FILM AND METHOD FOR PRODUCING THE SAME"
}