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公开(公告)号:AT446321T
公开(公告)日:2009-11-15
申请号:AT05771174
申请日:2005-08-09
Applicant: BASF SE
Inventor: LOESCH DENNIS , WEIDL CHRISTIAN , SEIDL VOLKER , MORITZ HANS-ULRICH
IPC: C08F2/48 , B01J2/00 , C08F2/10 , C08F220/06 , C08F220/20
Abstract: Process for producing polymers by spray polymerization wherein the aqueous monomer solution comprises from 0.01% to 0.2% by weight, based on the monomer, of at least one crosslinker, the use of the polymers for thickening liquids and also apparatus for producing polymers by spray polymerization.
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公开(公告)号:DE502006003036D1
公开(公告)日:2009-04-16
申请号:DE502006003036
申请日:2006-10-27
Applicant: BASF SE
Inventor: LOESCH DENNIS , SEIDL VOLKER , RUEBENACKER MARTIN
IPC: C08F2/10
Abstract: A process for producing a polymer powder comprising vinylformamide units by free radical polymerization of an aqueous solution of N-vinylformamide and if appropriate other monomers and drying the polymer which comprises an aqueous monomer solution comprising N-vinylformamide and at least one polymerization initiator being spray dispensed as an aerosol or dropletized at the top of a heatable tower-shaped reactor, then polymerizing the aerosol or droplets in an inert gas atmosphere to form a finely divided solid and discharging the finely divided polymer from the reactor.
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公开(公告)号:ES2301050T3
公开(公告)日:2008-06-16
申请号:ES05783911
申请日:2005-09-06
Applicant: BASF SE
Inventor: BRODT GREGOR , EHRENSTEIN MORITZ , KRUGER MARCO , SEIDL VOLKER , WINTER DOMINIK , KARIM ASIF
Abstract: Procedimiento para la condensación por pulverización para la obtención de resinas secas en forma de forma de polvo a partir de melamina, de urea o de sus mezclas y de, al menos, un aldehído, caracterizado porque la realización de la condensación por pulverización se lleva a cabo mediante la transformación en gotas y porque la morfología de las partículas de resina generadas es influenciada en el polvo formado específicamente en lo que se refiere a sus parámetros de la partícula, generándose una partícula en estado de espuma; preferentemente en forma de esfera, con o sin secciones superficiales lisas.
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公开(公告)号:DK1791879T3
公开(公告)日:2008-06-16
申请号:DK05783911
申请日:2005-09-06
Applicant: BASF SE
Inventor: BRODT GREGOR , EHRENSTEIN MORITZ , KRUEGER MARCO , SEIDL VOLKER , WINTER DOMINIK , KARIM ASIF , MORITZ HANS-ULRICH
Abstract: In the spray condensation process for the preparation of dried resins in powder form from melamine, urea or a mixture thereof and at least one aldehyde, the morphology of the resin particles produced is influenced in a targeted manner with respect to their particle parameters.
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公开(公告)号:DE502007006381D1
公开(公告)日:2011-03-10
申请号:DE502007006381
申请日:2007-07-11
Applicant: BASF SE
Inventor: STUEVEN UWE , WEISMANTEL MATTHIAS , HEIDE WILFRIED , KRUEGER MARCO , SEIDL VOLKER , BLEI STEFAN , LOESCH DENNIS , FUNK RUEDIGER , HILLEBRECHT ANNEMARIE
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公开(公告)号:DE502007003770D1
公开(公告)日:2010-06-24
申请号:DE502007003770
申请日:2007-07-11
Applicant: BASF SE
Inventor: STUEVEN UWE , WEISMANTEL MATTHIAS , HEIDE WILFRIED , KRUEGER MARCO , SEIDL VOLKER , BLEI STEFAN , LOESCH DENNIS , FUNK RUEDIGER , HILLEBRECHT ANNEMARIE
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公开(公告)号:DE502005008386D1
公开(公告)日:2009-12-03
申请号:DE502005008386
申请日:2005-08-09
Applicant: BASF SE
Inventor: LOESCH DENNIS , WEIDL CHRISTIAN HUBERT , SEIDL VOLKER , MORITZ HANS-ULRICH
IPC: C08F2/48 , B01J2/00 , C08F2/10 , C08F220/06 , C08F220/20
Abstract: Process for producing polymers by spray polymerization wherein the aqueous monomer solution comprises from 0.01% to 0.2% by weight, based on the monomer, of at least one crosslinker, the use of the polymers for thickening liquids and also apparatus for producing polymers by spray polymerization.
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公开(公告)号:AT444313T
公开(公告)日:2009-10-15
申请号:AT04741042
申请日:2004-07-15
Applicant: BASF SE
Inventor: SCHMID MARKUS , SEIDL VOLKER , DISTLER DIETER , HAEHNLE HANS-JOACHIM , LOESCH DENNIS , MORITZ HANS-ULRICH , KRUEGER MARCO
Abstract: Monomer solutions with a water content of at least 55 wt% are used in a method for the spray polymerisation of monomer solutions containing radically-polymerisable monomers in an inert atmosphere. An independent claim is also included for water-swellable polymers obtained by this method.
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公开(公告)号:SI1791879T1
公开(公告)日:2008-06-30
申请号:SI200530199
申请日:2005-09-06
Applicant: BASF SE
Inventor: BRODT GREGOR , EHRENSTEIN MORITZ , KRUGER MARCO , SEIDL VOLKER , WINTER DOMINIK , KARIM ASIF , MORITZ HANS-ULRICH
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公开(公告)号:BRPI0714445A2
公开(公告)日:2013-03-12
申请号:BRPI0714445
申请日:2007-07-11
Applicant: BASF SE
Inventor: STUEVEN UWE , WEISMANTEL MATTHIAS , HEIDE WILFRIED , KRUEGER MARCO , SEIDL VOLKER , BLEI STEFAN , LOESCH DENNIS , FUNK RUEDIGER , HILLEBRECHT ANNEMARIE
Abstract: A process for preparing water-absorbing polymer beads with high permeability by polymerizing droplets of a monomer solution in a gas phase surrounding the droplets, wherein the monomer solution comprises at least 0.5% by weight of a crosslinker, based on the monomer, the polymerization in the droplet takes place in homogeneous phase, and the polymer beads have a mean diameter of at least 150 μm.
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