公开(公告)号：US20140066584A1

公开(公告)日：2014-03-06

申请号：US14011384

申请日：2013-08-27

Applicant: BASF SE

Inventor： Monte Peterson ,  John Perry Guentzel ,  Gregory Boykin ,  Leo Van Miert ,  Rene Callot ,  Oskar Stephan ,  Rüdiger Funk ,  Matthias Weismantel

IPC: B01J20/26

CPC classification number: B01J20/261 ,  A61L15/60 ,  B01J2220/68 ,  C08F2/10 ,  C08F6/008 ,  C08J3/245 ,  C08J2333/02 ,  C08L33/02

Abstract: The invention relates to a process for producing water-absorbing polymer particles, comprising polymerization, drying the resulting polymer gel on a through circulation belt dryer, crushing the dried polymer gel, pre-grinding, separating of incompletely dried particles with a perforated plate, grinding and classifying the resulting polymer particles.

Abstract translation: 本发明涉及一种生产吸水性聚合物颗粒的方法，包括聚合，在循环带式干燥机上干燥所得聚合物凝胶，粉碎干燥的聚合物凝胶，预研磨，用多孔板分离不完全干燥的颗粒，研磨 并分级得到的聚合物颗粒。

公开(公告)号：US09486777B2

公开(公告)日：2016-11-08

申请号：US14011384

申请日：2013-08-27

Applicant: BASF SE

Inventor： Monte Peterson ,  John Perry Guentzel ,  Gregory Boykin ,  Leo Van Miert ,  Rene Callot ,  Oskar Stephan ,  Rüdiger Funk ,  Matthias Weismantel

IPC: B01J20/26 ,  A61L15/24 ,  A61L15/60 ,  C08F2/10 ,  C08F6/00 ,  C08J3/24

CPC classification number: B01J20/261 ,  A61L15/60 ,  B01J2220/68 ,  C08F2/10 ,  C08F6/008 ,  C08J3/245 ,  C08J2333/02 ,  C08L33/02

Abstract: The invention relates to a process for producing water-absorbing polymer particles, comprising polymerization, drying the resulting polymer gel on a through circulation belt dryer, crushing the dried polymer gel, pre-grinding, separating of incompletely dried particles with a perforated plate, grinding and classifying the resulting polymer particles.

Abstract translation: 本发明涉及一种生产吸水性聚合物颗粒的方法，包括聚合，在循环带式干燥机上干燥所得聚合物凝胶，粉碎干燥的聚合物凝胶，预研磨，用多孔板分离不完全干燥的颗粒，研磨 并分级得到的聚合物颗粒。