Process for preparing perfluoropolyethers

Details Process for preparing perfluoropolyethers Process for preparing perfluoropolyethers

1997-07-30

1999-06-08

Geist, Gary

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

Organic compounds

Oxygen containing

568621, 210656, C07C 4311, B01D 1608

Patent

active

059106140

ABSTRACT:
Separation process of bifunctional macromolecules having hydroxylic termination from non functional and/or monofunctional macromolecules having hydroxylic termination contained in admixture in perfluoropolyoxyalkylenes (I) comprising the following phases:

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Makromol. Chem. 193, 2211, (1942).
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