Reducing the haze of polymeric, pref. polyester, plasticisers

De-colouring (i.e. reducing the haze no.) of polymeric plasticisers is by high temp. treatment with oxygen-contg. gases, pref. air in an amt. of 1-160 (esp. 2-20) Nm /hr. per tonne plasticiser and pref. at 50-200 (esp. 80-150) deg C.

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Bibliographische Detailangaben
1. Verfasser:	HAUG, JUERGEN., 67117 LIMBURGERHOF, DE
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	De-colouring (i.e. reducing the haze no.) of polymeric plasticisers is by high temp. treatment with oxygen-contg. gases, pref. air in an amt. of 1-160 (esp. 2-20) Nm /hr. per tonne plasticiser and pref. at 50-200 (esp. 80-150) deg C.