公开(公告)号：AT513627T

公开(公告)日：2011-07-15

申请号：AT05821876

申请日：2005-12-31

Applicant: BASF SE

Inventor： WEISMANTEL MATTHIAS ,  FUNK RUEDIGER ,  DANIEL THOMAS ,  STUEVEN UWE

IPC: B07B1/46 ,  B07B1/40 ,  B07B1/56

公开(公告)号：AT507248T

公开(公告)日：2011-05-15

申请号：AT06700825

申请日：2006-01-14

Applicant: BASF SE

Inventor： LOESCH DENNIS ,  SEIDL VOLKER ,  STUEVEN UWE

IPC: C08F2/00 ,  A61L15/24 ,  A61L15/60 ,  C08F20/06

Abstract: Water-absorbing polymeric particles are produced by spray polymerization of a monomer solution in a process wherein the monomer solution is spray dispensed and at least one crosslinker accumulates in the region of the droplet surface, and are useful in hygiene articles.

公开(公告)号：AT499954T

公开(公告)日：2011-03-15

申请号：AT08803174

申请日：2008-08-25

Applicant: BASF SE

Inventor： LOESCH DENNIS ,  KRUEGER MARCO ,  STUEVEN UWE ,  HEIDE WILFRIED ,  WEISMANTEL MATTHIAS ,  BLEI STEFAN

IPC: A61L15/22 ,  A61L15/60 ,  C08F2/10 ,  C08F2/34 ,  C08F20/04 ,  C08F220/06 ,  C08J3/24

Abstract: A process for producing water-absorbing polymer particles by polymerizing droplets of a monomer solution in a surrounding gas phase, wherein the monomer solution comprises at least 0.0002% by weight of oxygen and the oxygen content of the gas phase is at least 0.5% by volume.

公开(公告)号：AT467645T

公开(公告)日：2010-05-15

申请号：AT07787356

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

IPC: C08F2/10 ,  C08F20/04

Abstract: A process for preparing water-absorbing polymer beads with high permeability by polymerizing droplets of a monomer solution, comprising monomers bearing acid groups, in a gas phase surrounding the droplets, wherein the monomer solution comprises polyvalent cations and the polymer beads have a mean diameter of at least 150 μm.

公开(公告)号：ZA200901113B

公开(公告)日：2010-04-28

申请号：ZA200901113

申请日：2009-02-17

Applicant: BASF SE

Inventor： HILLEBRECHT ANNEMARIE ,  STUEVEN UWE ,  WEISMANTEL MATTHIAS ,  HEIDE WILFRIED ,  KRUEGER MARCO ,  SEIDL VOLKER ,  BLEI STEFAN ,  LOESCH DENNIS ,  FUNK RUEDIGER

IPC: A61L20100101 ,  C08F20100101 ,  C08J20100101

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 a water-insoluble inorganic salt is suspended in the monomer solution and the polymer beads have a mean diameter of at least 150 μm.

公开(公告)号：BRPI0720482A2

公开(公告)日：2014-01-14

申请号：BRPI0720482

申请日：2007-12-12

Applicant: BASF SE

Inventor： STUEVEN UWE ,  FUNK RUEDIGER ,  WEISMANTEL MATTHIAS ,  HEIDE WILFRIED ,  KRUEGER MARCO

IPC: C08F2/00 ,  A61L15/60 ,  C08F2/10 ,  C08F2/16 ,  C08F2/18

Abstract: A process for producing water-absorbing polymer particles by polymerizing droplets of a monomer solution in a gas phase surrounding the droplets and postcrosslinking the polymer particles, wherein the postcrosslinked polymer particles are at least partly coated.

公开(公告)号：BRPI0714444A2

公开(公告)日：2013-03-19

申请号：BRPI0714444

申请日：2007-07-12

Applicant: BASF SE

Inventor： STUEVEN UWE ,  WEISMANTEL MATTHIAS ,  HEIDE WILFRIED ,  KRUEGER MARCO ,  SEIDL VOLKER ,  BLEI STEFAN ,  LOESCH DENNIS ,  FUNK RUEDIGER ,  HILLEBRECHT ANNEMARIE

IPC: A61L15/22 ,  A61L15/60 ,  C08F2/10 ,  C08F2/34 ,  C08F20/04 ,  C08J3/24 ,  C08K3/00

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 a water-insoluble inorganic salt is suspended in the monomer solution and the polymer beads have a mean diameter of at least 150 μm.

公开(公告)号：AT496638T

公开(公告)日：2011-02-15

申请号：AT07787355

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

IPC: A61L15/22 ,  A61L15/60 ,  C08F2/10 ,  C08F20/04 ,  C08J3/24

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.

公开(公告)号：DE502006008569D1

公开(公告)日：2011-02-03

申请号：DE502006008569

申请日：2006-08-23

Applicant: BASF SE

Inventor： FUNK RUEDIGER ,  WEISMANTEL MATTHIAS ,  STUEVEN UWE

IPC: C08F2/00 ,  A61L15/24 ,  A61L15/60 ,  B01J14/00 ,  B01J19/00 ,  C08F2/10 ,  C08F4/40 ,  C08F20/06 ,  C08K5/00 ,  C08K5/1535

公开(公告)号：ZA200901111B

公开(公告)日：2010-04-28

申请号：ZA200901111

申请日：2009-02-17

Applicant: BASF SE

Inventor： WEISMANTEL MATTHIAS ,  HEIDE WILFRIED ,  KRUEGER MARCO ,  SEIDL VOLKER ,  LOESCH DENNIS ,  FUNK RUEDIGER ,  STUEVEN UWE ,  BLEI STEFAN ,  HILLEBRECHT ANNEMARIE

IPC: A61L20100101 ,  C08F20100101 ,  C08J20100101

Abstract: A process for preparing postcrosslinked water-absorbing polymer beads with high absorption by polymerizing droplets of a monomer solution in a gas phase surrounding the droplets, wherein the solids content of the monomer solution is at least 35% by weight and the polymer beads have a mean diameter of at least 150 μm.