公开(公告)号：US10208149B2

公开(公告)日：2019-02-19

申请号：US15299922

申请日：2016-10-21

Applicant: BASF SE

Inventor： Uwe Stueven ,  Matthias Weismantel ,  Wilfried Heide ,  Marco Krüger ,  Volker Seidl ,  Stefan Blei ,  Dennis Loesch ,  Rüdiger Funk ,  Annemarie Hillebrecht

IPC: C08F222/20 ,  A61L15/60 ,  C08F2/34 ,  C08F220/06 ,  A61L15/24 ,  B29B9/10 ,  C08F222/10 ,  C08F222/38 ,  B29K33/04

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：US20170037172A1

公开(公告)日：2017-02-09

申请号：US15299922

申请日：2016-10-21

Applicant: BASF SE

Inventor： Uwe Stueven ,  Matthias Weismantel ,  Wilfried Heide ,  Marco Krüger ,  Volker Seidl ,  Stefan Blei ,  Dennis Loesch ,  Rüdiger Funk ,  Annemarie Hillebrecht

IPC: C08F222/10 ,  A61L15/24 ,  B29B9/10 ,  A61L15/60

CPC classification number: C08F222/10 ,  A61L15/24 ,  A61L15/60 ,  B29B9/10 ,  B29K2033/04 ,  B29K2995/0092 ,  C08F2/34 ,  C08F220/06 ,  C08F222/1006 ,  C08F222/385 ,  C08F2222/1026 ,  C08F2400/00 ,  C08F2500/24 ,  Y10T428/2982

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.

Abstract translation: 一种制备具有高渗透性的吸水聚合物珠粒的方法，该方法通过在包围液滴的气相中聚合包含含有酸基团的单体的单体溶液的液滴，其中所述单体溶液包含多价阳离子，并且所述聚合物珠的平均直径为 至少150μm。

公开(公告)号：US20140302321A1

公开(公告)日：2014-10-09

申请号：US14266367

申请日：2014-04-30

Applicant: BASF SE

Inventor： Uwe Stueven ,  Matthias Weismantel ,  Wilfried Heide ,  Marco Krüger ,  Volker Seidl ,  Stefan Blei ,  Dennis Lösch ,  Rüdiger Funk ,  Annemarie Hillebrecht

IPC: B01J10/00 ,  C08F220/06

CPC classification number: B01J10/002 ,  A61L15/24 ,  A61L15/60 ,  C08F2/00 ,  C08F2/10 ,  C08F2/44 ,  C08F220/06 ,  C08F222/1006 ,  C08L33/02

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.

Abstract translation: 一种制备具有高渗透性的吸水聚合物珠粒的方法，该方法是在围绕液滴的气相中聚合单体溶液的液滴，其中将水不溶性无机盐悬浮在单体溶液中，聚合物珠粒的平均直径为 至少150微米。