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...
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