THE USE OF DIFFUSION MEMBRANES

PCT No. PCT/EP86/00254 Sec. 371 Date Dec. 29, 1986 Sec. 102(e) Date Dec. 29, 1986 PCT Filed Apr. 25, 1986 PCT Pub. No. WO86/06294 PCT Pub. Date Nov. 6, 1986.For producing solution/diffusion membranes, homogeneous dense films prepared by melt extrusion or casting from synthetic polymers, having a mel...

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Hauptverfasser:	GOTZ, BERND, NIEMOLLER, AXEL, ELLINGHORST, GUIDO, BRUSCHKE, HARTMUT ERNST ARTUR, SCHOLZ, HORST, TUSEL, GUNTER
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 BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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Zusammenfassung:	PCT No. PCT/EP86/00254 Sec. 371 Date Dec. 29, 1986 Sec. 102(e) Date Dec. 29, 1986 PCT Filed Apr. 25, 1986 PCT Pub. No. WO86/06294 PCT Pub. Date Nov. 6, 1986.For producing solution/diffusion membranes, homogeneous dense films prepared by melt extrusion or casting from synthetic polymers, having a melting temperature above 140 DEG C., a glass transition temperature above 0 DEG C. and long time stability against boiling ethanol are irradiated with accelerated electrons and submitted to a subsequent radical graft copolymerization. After graft polymerzation, the functional groups are converted into the dissociated salts.