公开(公告)号：US08945716B2

公开(公告)日：2015-02-03

申请号：US13920515

申请日：2013-06-18

Applicant: BASF SE

Inventor： Roland Krauss ,  Thomas Gieger ,  Volker Klock

IPC: B32B27/08

CPC classification number: B01J20/265 ,  B01J2220/68 ,  C08F220/06 ,  Y10T428/31866 ,  C08F2222/1026

Abstract: A process for producing water-absorbing polymer particles, comprising polymerization of a monomer solution or suspension, classification and drying of the resulting moist polymer gel, and comminution of the coarse fraction removed in the classification of the moist polymer gel, wherein the classification of the moist polymer gel is performed by means of a plurality of bar decks arranged in a cascade in a vibrating frame.

Abstract translation: 一种生产吸水性聚合物颗粒的方法，包括单体溶液或悬浮液的聚合，所得湿聚合物凝胶的分级和干燥，以及粉碎在湿聚合物凝胶分级中除去的粗级分，其中分级 湿聚合物凝胶通过在振动框架中级联布置的多个条形甲板进行。

公开(公告)号：US20130338328A1

公开(公告)日：2013-12-19

申请号：US13920515

申请日：2013-06-18

Applicant: BASF SE

Inventor： Roland Krauss ,  Thomas Gieger ,  Volker Klock

IPC: B01J20/26

CPC classification number: B01J20/265 ,  B01J2220/68 ,  C08F220/06 ,  Y10T428/31866 ,  C08F2222/1026

Abstract: A process for producing water-absorbing polymer particles, comprising polymerization of a monomer solution or suspension, classification and drying of the resulting moist polymer gel, and comminution of the coarse fraction removed in the classification of the moist polymer gel, wherein the classification of the moist polymer gel is performed by means of a plurality of bar decks arranged in a cascade in a vibrating frame.

Abstract translation: 一种生产吸水性聚合物颗粒的方法，包括单体溶液或悬浮液的聚合，所得湿聚合物凝胶的分级和干燥，以及粉碎在湿聚合物凝胶分级中除去的粗级分，其中分级 湿聚合物凝胶通过在振动框架中级联布置的多个条形甲板进行。

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。