{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "An optionally oriented copolyester film comprising a copolyester which comprises repeating units derived from an aliphatic diol, an aromatic dicarboxylic acid and a poly(alkylene oxide), wherein the copolyester film further comprises lithium ions, and wherein the film has a thickness of no more…",
  "path": "/patents/1282142",
  "publishedAt": "2021-01-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C08G63/681",
    "DuPont Teijin Films U.S. Limited Partnership"
  ],
  "textContent": "An optionally oriented copolyester film comprising a copolyester which comprises repeating units derived from an aliphatic diol, an aromatic dicarboxylic acid and a poly(alkylene oxide), wherein the copolyester film further comprises lithium ions, and wherein the film has a thickness of no more than about 25 μm. The copolyester film is suitable for use a separator in a lithium-ion rechargeable battery.",
  "title": "COPOLYESTERS DERIVED FROM ALIPHATIC GLYCOLS, AROMATIC DICARBOXYLIC ACIDS AND POLY(ALKYLENE-OXIDES) AND FILMS MADE THEREFROM"
}