Process and apparatus for preparing highly fluorinated hydrocarbons

Highly fluorinated oligomeric or polymeric hydrocarbons are degraded by irradiation with high-energy rays, preferably electron beams, to units of lower molecular weight. The degradation materials are carried away from the radiation zone by a carrier gas stream or a gaseous medium which reacts with t...

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Bibliographische Detailangaben
Hauptverfasser:	ADOLF HEGER, HARALD GRIMM, ARMIN FERSE
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT COMPOSITIONS BASED THEREON GAMMA RAY OR X-RAY MICROSCOPES GENERAL PROCESSES OF COMPOUNDING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS IRRADIATION DEVICES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY NUCLEAR ENGINEERING NUCLEAR PHYSICS ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOTOTHERWISE PROVIDED FOR TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	Highly fluorinated oligomeric or polymeric hydrocarbons are degraded by irradiation with high-energy rays, preferably electron beams, to units of lower molecular weight. The degradation materials are carried away from the radiation zone by a carrier gas stream or a gaseous medium which reacts with them. The apparatus consists in particular of a heatable, double-shell irradiation vessel provided with a sealing, radiation-permeable film. The degradation products obtained can be used inter alia for producing textile auxiliaries, surfactants and biologically active substances.