Rainer Dobrawa,Thomas Daniel,Uwe Stueven,Marco Krüger,Francisco Javier Lopez Villanueva,Norbert Herfert,Karin Flore,Stefan Blei,Michael A. Mitchell
申请号：
US13870599
公开号：
US09073040B2
申请日:
2013.04.25
申请国别(地区):
US
年份:
2015
代理人:
摘要：
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.
