公开(公告)号：US10208170B2

公开(公告)日：2019-02-19

申请号：US14443082

申请日：2013-11-07

Applicant: BASF SE

Inventor： Thomas Daniel ,  Norbert Herfert ,  Stephan Bauer ,  Katrin Baumann ,  Birgit Reinhard ,  Jürgen Freiberg ,  Christophe Bauduin ,  Katarzyna Dobrosielska-Oura ,  Michael A. Mitchell

IPC: C08J3/24 ,  A61L15/22 ,  A61L15/42 ,  B01J20/26 ,  B01J20/28 ,  C08F220/06 ,  C08J9/00 ,  A61L15/60 ,  C08F222/10

Abstract: The present invention relates to a process for producing surface-postcrosslinked water-absorbent polymer particles by coating of water-absorbent polymer particles having a content of residual monomers in the range from 0.03 to 15% by weight with at least one surface-postcrosslinker and thermal surface-postcrosslinking at temperatures in the range from 100 to 180° C.

公开(公告)号：US20160009889A1

公开(公告)日：2016-01-14

申请号：US14861409

申请日：2015-09-22

Applicant: BASF SE

Inventor： Matthias Weismantel ,  Ulrich Riegel ,  Thomas Gieger ,  Markus Braun ,  Michael A. Mitchell

IPC: C08J9/18

CPC classification number: C08J9/18 ,  C08J9/06 ,  C08J9/14 ,  C08J9/16 ,  C08J2300/14 ,  C08J2333/08 ,  C08J2333/14

Abstract: A process for producing water-absorbing polymer particles with high free swell rate and high permeability by polymerization of an aqueous monomer solution or suspension to give an aqueous polymer gel, wherein a thermal blowing agent essentially free of inorganic acid anions is mixed into the polymer gel, and subsequent thermal drying of the polymer gel.

Abstract translation: 一种生产具有高自由溶胀速率和高渗透性的吸水聚合物颗粒的方法，其通过聚合单体水溶液或悬浮液得到聚合物水凝胶，其中将基本上不含无机酸阴离子的热发泡剂混合到聚合物凝胶 ，随后聚合物凝胶的热干燥。

公开(公告)号：US20130210947A1

公开(公告)日：2013-08-15

申请号：US13763029

申请日：2013-02-08

Applicant: BASF SE

Inventor： Matthias Weismantel ,  Ulrich Riegel ,  Thomas Gieger ,  Markus Braun ,  Michael A. Mitchell

IPC: C08J9/14

CPC classification number: C08J9/18 ,  C08J9/06 ,  C08J9/14 ,  C08J9/16 ,  C08J2300/14 ,  C08J2333/08 ,  C08J2333/14

Abstract: A process for producing water-absorbing polymer particles with high free swell rate and high permeability by polymerization of an aqueous monomer solution or suspension to give an aqueous polymer gel, wherein a thermal blowing agent essentially free of inorganic acid anions is mixed into the polymer gel, and subsequent thermal drying of the polymer gel.

Abstract translation: 一种生产具有高自由溶胀速率和高渗透性的吸水聚合物颗粒的方法，其通过聚合单体水溶液或悬浮液得到聚合物水凝胶，其中将基本上不含无机酸阴离子的热发泡剂混合到聚合物凝胶 ，随后聚合物凝胶的热干燥。

公开(公告)号：US20130146810A1

公开(公告)日：2013-06-13

申请号：US13707226

申请日：2012-12-06

Applicant: BASF SE

Inventor： Xiaomin Zhang ,  Kathleen Goebel ,  Michael A. Mitchell ,  Thamas Daniel

IPC: B01J20/30 ,  B01J20/28

CPC classification number: B01J20/3007 ,  B01J20/28023 ,  D01D5/0038 ,  D01D10/02 ,  D01F6/16 ,  D01F6/26 ,  Y10T428/298

Abstract: The present invention relates to a process for producing water-absorbing polymer fibers, especially micro-or nanofibers, by electrospinning process and to fibers obtainable by this process.

Abstract translation: 本发明涉及一种通过静电纺丝方法生产吸水聚合物纤维，特别是微纳米纤维和通过该方法获得的纤维的方法。

公开(公告)号：US11142614B2

公开(公告)日：2021-10-12

申请号：US16217740

申请日：2018-12-12

Applicant: BASF SE

Inventor： Thomas Daniel ,  Norbert Herfert ,  Stephan Bauer ,  Katrin Baumann ,  Birgit Reinhard ,  Jürgen Freiberg ,  Christophe Bauduin ,  Katarzyna Dobrosielska-Oura ,  Michael A. Mitchell

IPC: C08J3/24 ,  C08J9/00 ,  A61L15/22 ,  A61L15/42 ,  A61L15/60 ,  B01J20/26 ,  B01J20/28 ,  C08F6/00 ,  C08F220/06 ,  C08F222/10

Abstract: The present invention relates to a process for producing surface-postcrosslinked water-absorbent polymer particles by coating of water-absorbent polymer particles having a content of residual monomers in the range from 0.03 to 15% by weight with at least one surface-postcrosslinker and thermal surface-postcrosslinking at temperatures in the range from 100 to 180° C.

公开(公告)号：US09587081B2

公开(公告)日：2017-03-07

申请号：US14861409

申请日：2015-09-22

Applicant: BASF SE

Inventor： Matthias Weismantel ,  Ulrich Riegel ,  Thomas Gieger ,  Markus Braun ,  Michael A. Mitchell

IPC: C08J9/14 ,  C08G18/63 ,  C08J9/18 ,  C08J9/06 ,  C08J9/16

CPC classification number: C08J9/18 ,  C08J9/06 ,  C08J9/14 ,  C08J9/16 ,  C08J2300/14 ,  C08J2333/08 ,  C08J2333/14

Abstract: A process for producing water-absorbing polymer particles with high free swell rate and high permeability by polymerization of an aqueous monomer solution or suspension to give an aqueous polymer gel, wherein a thermal blowing agent essentially free of inorganic acid anions is mixed into the polymer gel, and subsequent thermal drying of the polymer gel.

Abstract translation: 一种生产具有高自由溶胀速率和高渗透性的吸水聚合物颗粒的方法，其通过聚合单体水溶液或悬浮液得到聚合物水凝胶，其中将基本上不含无机酸阴离子的热发泡剂混合到聚合物凝胶 ，随后聚合物凝胶的热干燥。

公开(公告)号：US20150299404A1

公开(公告)日：2015-10-22

申请号：US14443082

申请日：2013-11-07

Applicant: BASF SE

Inventor： Thomas Daniel ,  Norbert Herfert ,  Stephan Bauer ,  Katrin Baumann ,  Birgit Reinhard ,  Jürgen Freiberg ,  Christophe Bauduin ,  Katarzyna Dobrosielska-Oura ,  Michael A. Mitchell

IPC: C08J3/24 ,  B01J20/28 ,  A61L15/60 ,  A61L15/22 ,  A61L15/42 ,  B01J20/26 ,  C08J9/00

CPC classification number: C08J3/245 ,  A61L15/225 ,  A61L15/425 ,  A61L15/60 ,  B01J20/267 ,  B01J20/28004 ,  B01J20/28011 ,  B01J20/28019 ,  C08F6/008 ,  C08F220/06 ,  C08F222/1006 ,  C08J3/247 ,  C08J9/00 ,  C08J2207/12 ,  C08J2333/02

Abstract: The present invention relates to a process for producing surface-postcrosslinked water-absorbent polymer particles by coating of water-absorbent polymer particles having a content of residual monomers in the range from 0.03 to 15% by weight with at least one surface-postcrosslinker and thermal surface-postcrosslinking at temperatures in the range from 100 to 180° C.

Abstract translation: 本发明涉及通过将具有0.03〜15重量％的残留单体含量的吸水性聚合物颗粒与至少一个表面后交联剂和热敏涂料一起涂覆来制备表面后交联的吸水性聚合物颗粒的方法 在100至180℃的温度下进行表面后交联。

公开(公告)号：US20190135993A1

公开(公告)日：2019-05-09

申请号：US16217740

申请日：2018-12-12

Applicant: BASF SE

Inventor： Thomas Daniel ,  Norbert Herfert ,  Stephan Bauer ,  Katrin Baumann ,  Birgit Reinhard ,  Jürgen Freiberg ,  Christophe Bauduin ,  Katarzyna Dobrosielska-Oura ,  Michael A. Mitchell

IPC: C08J3/24 ,  C08F6/00 ,  B01J20/28 ,  B01J20/26 ,  A61L15/22 ,  C08F220/06 ,  A61L15/42 ,  C08J9/00 ,  A61L15/60

Abstract: The present invention relates to a process for producing surface-postcrosslinked water-absorbent polymer particles by coating of water-absorbent polymer particles having a content of residual monomers in the range from 0.03 to 15% by weight with at least one surface-postcrosslinker and thermal surface-postcrosslinking at temperatures in the range from 100 to 180° C.

公开(公告)号：US09738769B2

公开(公告)日：2017-08-22

申请号：US13763029

申请日：2013-02-08

Applicant: BASF SE

Inventor： Matthias Weismantel ,  Ulrich Riegel ,  Thomas Gieger ,  Markus Braun ,  Michael A. Mitchell

IPC: C08J9/14 ,  C08G18/63 ,  C08J9/18 ,  C08J9/06 ,  C08J9/16

CPC classification number: C08J9/18 ,  C08J9/06 ,  C08J9/14 ,  C08J9/16 ,  C08J2300/14 ,  C08J2333/08 ,  C08J2333/14

Abstract: A process for producing water-absorbing polymer particles with high free swell rate and high permeability by polymerization of an aqueous monomer solution or suspension to give an aqueous polymer gel, wherein a thermal blowing agent essentially free of inorganic acid anions is mixed into the polymer gel, and subsequent thermal drying of the polymer gel.

公开(公告)号：US09073040B2

公开(公告)日：2015-07-07

申请号：US13870599

申请日：2013-04-25

Applicant: BASF SE

Inventor： Rainer Dobrawa ,  Thomas Daniel ,  Uwe Stueven ,  Marco Krüger ,  Francisco Javier Lopez Villanueva ,  Norbert Herfert ,  Karin Flore ,  Stefan Blei ,  Michael A. Mitchell

IPC: B32B5/16 ,  C08L31/02 ,  C08L33/04 ,  B01J20/26 ,  A61L15/60 ,  C08F2/10 ,  C08F220/06 ,  B01J20/30 ,  C08F222/10

CPC classification number: B01J20/26 ,  A61L15/60 ,  B01J20/264 ,  B01J20/3085 ,  C08F2/10 ,  C08F220/06 ,  C08F222/1006 ,  Y10T428/249958 ,  Y10T428/249981 ,  Y10T428/254 ,  Y10T428/2982 ,  Y10T428/31935

Abstract: The present invention relates to a process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution in a surrounding heated gas phase and flowing the gas cocurrent through the polymerization chamber, wherein the temperature of the gas leaving the polymerization chamber is 130° C. or less, the gas velocity inside the polymerization chamber is at least 0.5 m/s, and the droplets are generated by using a droplet plate having a multitude of bores.

Abstract translation: 本发明涉及一种通过在周围加热气相中聚合单体溶液的液滴并使气体并流通过聚合室流过气体聚合物颗粒的方法，其中离开聚合室的气体的温度为130℃ 聚合室内的气体速度为至少0.5m / s，通过使用具有多个孔的液滴板产生液滴。