Treatment of butanediol obtained as a condensate during the manu

Details Treatment of butanediol obtained as a condensate during the manu Treatment of butanediol obtained as a condensate during the manu

1978-06-08

1979-05-15

Evans, Joseph E.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568871, C07C 2924

Patent

active

041549708

ABSTRACT:
A process for treating butanediol obtained as a condensate during the manufacture of polybutylene terephthalate, wherein an alkali metal alcoholate or alkali metal hydride is added to the condensate at an elevated temperature. After purification, the butanediol obtained is re-used for the manufacture of polybutylene terephthalate.

REFERENCES:
patent: 2793235 (1957-05-01), Jenkinson
patent: 3859368 (1975-01-01), Kollar

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