Title:
PERFECT CONTAMINANT REMOVAL FOR PERFLUOROPOLYETHERIC OIL
Document Type and Number:
Japanese Patent JPS60226838
Kind Code:
A
Abstract:
A process for fully removing from perfluoropolyethers having a minimum vapour tension, organic polluting substances containing -OH groups and/orbonds, by treating the perfluoropolyether with oxygen, or chlorine or fluorine, at a high temperature and in the presence of ultra- violet radiation, in order to convert the impurities to volatile degradation products easily removable by degassing.
Inventors:
JIERARUDO KABORITSUCHIO
ETSUIO SUTORETSUPARORA
ETSUIO SUTORETSUPARORA
Application Number:
JP4948185A
Publication Date:
November 12, 1985
Filing Date:
March 14, 1985
Export Citation:
Assignee:
MONTEDISON SPA
International Classes:
B01D19/00; C07C41/00; C07C41/44; C07C41/58; C07C43/12; C07C67/00; C08G65/30; C10M105/54; C10M107/38; C10M175/00; C10N40/30; (IPC1-7): B01D19/00; C07C43/12; C10M105/54; C10M107/38; C10N40/00
Domestic Patent References:
| JPS5028409A | 1975-03-24 |
Attorney, Agent or Firm:
Motohiro Kurauchi
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