{
  "$type": "site.standard.document",
  "description": "An objective of the present invention is to provide a film that has a high rigidity and is superior in dimension stability under high temperatures and transparency after heating processes, as well as in moldability within a wide temperature range, which has not been achieved by conventional…",
  "path": "/patents/1068896",
  "publishedAt": "2006-03-29T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B32B27/00",
    "TORAY INDUSTRIES [JP]"
  ],
  "textContent": "An objective of the present invention is to provide a film that has a high rigidity and is superior in dimension stability under high temperatures and transparency after heating processes, as well as in moldability within a wide temperature range, which has not been achieved by conventional techniques, and this objective has been achieved by a laminated film that includes 50 or more layers each of which is made of a thermoplastic resin and has a thickness of less than 30 nm or a biaxial oriented polyester film that has a density in a range from 1 to 1. 4 g/cm, a heat shrinkage of - 2 to 2% in the longitudinal direction at 180°C and a breaking elongation in a range of 100 to 1000% in at least one direction.",
  "title": "MULTILAYER FILM AND BIAXIALLY ORIENTED POLYESTER FILM"
}