Purification of polymer-polyol used for polyurethane production, involves stripping with superheated steam in a packed column at moderate temperature, using a liquid distributor with a high drip-point density
HADLEY, MARKUS, DEIBELE, LUDWIG, DOHM, RALF, DIETRICH, MANFRED, LEU, JAN THOMAS, BROCKELT, MICHAEL, NABERFELD, GUIDO
Year of Publication 27.12.2007
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Year of Publication 27.12.2007
Patent
Method for stripping polymer polyols
NABERFELD GUIDO, BROCKELT MICHAEL, DIETRICH MANFRED, DOHM RALF, LEU JAN THOMAS, DEIBELE LUDWIG, HADLEY MARKUS
Year of Publication 31.12.2008
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Year of Publication 31.12.2008
Patent