Process for the manufacture of polyester via hydrogenation treatment recycled diol

An improved process for recycling unspent diol removed from a polyester manufacturing process wherein the diol is captured, hydrogenated, and recycled so that the final polyester product has improved color over polyesters produced using other recycled diols.

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Bibliographische Detailangaben
Hauptverfasser: MCDONNELL, FINBAR GERALD, COOTE, ALEXANDER STUART, HAMILTON, CLIVE ALEXANDER
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:An improved process for recycling unspent diol removed from a polyester manufacturing process wherein the diol is captured, hydrogenated, and recycled so that the final polyester product has improved color over polyesters produced using other recycled diols.