POROUS MATERIALS AND PROCESS FOR THEIR PRODUCTION

The present invention relates to a porous material comprising (a) an erodible open-cell foam with a density in the range from 5 to 1,000 kg/m3 and with an average pore diameter in the range from 1 μm to 1 mm, (b) a polymer matrix which is water-soluble or water-swellable or readily erodible, (c) an...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GONZALES DENIS ALFRED, HAEBERLE KARL, SCHROF WOLFGANG, BOGAERTS IRIS, FRENZEL STEFAN, SCHWENDEMANN VLKER
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention relates to a porous material comprising (a) an erodible open-cell foam with a density in the range from 5 to 1,000 kg/m3 and with an average pore diameter in the range from 1 μm to 1 mm, (b) a polymer matrix which is water-soluble or water-swellable or readily erodible, (c) an active ingredient selected from the group of surfactants, organic solvents, complexing agents, and bleaching agents, wherein said active ingredient (c) is absorbed by or dissolved in said polymer matrix (b) or chemically linked to said polymer matrix (b).