{
  "$type": "site.standard.document",
  "description": "Provided is a polyurethane foam having a reduced stress relaxation rate and a reduced hysteresis loss rate while having moderate rebound elasticity.The polyurethane foam is obtained from a composition containing a polyol and an isocyanate. As the polyol, a polyol (a) having a content of an ethylene…",
  "path": "/patents/1395111",
  "publishedAt": "2025-11-19T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "A47C7/18",
    "INOUE MTP KK [JP]"
  ],
  "textContent": "Provided is a polyurethane foam having a reduced stress relaxation rate and a reduced hysteresis loss rate while having moderate rebound elasticity.The polyurethane foam is obtained from a composition containing a polyol and an isocyanate. As the polyol, a polyol (a) having a content of an ethylene oxide unit of 60 mol% or more is contained when a total amount of alkylene oxide units is 100 mol%, and a content of the polyol (a) is 60 parts by mass or more and 95 parts by mass or less when a total amount of the polyol is 100 parts by mass.",
  "title": "POLYURETHANE FOAM AND SEAT PAD"
}