PERVAPORATION SEPARATION OF VOLATILE SILOXANES FROM EMULSIONS

A method of removing volatile siloxane oligomers from emulsions containing siloxane polymers. The method can be applied to any emulsion containing siloxane polymers, but it's especially adapted for removing residual volatile siloxane oligomers from emulsions containing siloxane polymers prepare...

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Bibliographische Detailangaben
Hauptverfasser:	WROLSON, BURT, GEE, RONALD
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING HUMAN NECESSITIES HYGIENE MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SEPARATION SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	A method of removing volatile siloxane oligomers from emulsions containing siloxane polymers. The method can be applied to any emulsion containing siloxane polymers, but it's especially adapted for removing residual volatile siloxane oligomers from emulsions containing siloxane polymers prepared by emulsion polymerization of the volatile siloxane oligomers. In particular, volatile siloxane oligomers are removed from emulsions containing siloxane polymers by pervaporation.