{
  "$type": "site.standard.document",
  "description": "A polymer electrolyte comprising a hydrophilic segment having sulfonic acid groups and a hydrophobic segment having no sulfonic acid group, each segment having an aromatic ring in its main chain, wherein the polymer electrolyte is an aromatic block copolymer having an ion-exchange capacity of…",
  "path": "/patents/1009817",
  "publishedAt": "2011-08-31T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C08J5/2256",
    "UBE INDUSTRIES [JP]"
  ],
  "textContent": "A polymer electrolyte comprising a hydrophilic segment having sulfonic acid groups and a hydrophobic segment having no sulfonic acid group, each segment having an aromatic ring in its main chain, wherein the polymer electrolyte is an aromatic block copolymer having an ion-exchange capacity of solely the hydrophilic segment at 3.6 mmol/g or more, and an ion-exchange capacity of the block copolymer in the range of from 0.5 mmol/g to 3.0 mmol/g; a polymer electrolyte membrane produced from the polymer electrolyte and a fuel cell using thereof.",
  "title": "Producion method for polymer electrolyte"
}