Invention Grant
- Patent Title: Production of water-absorbing polymeric particles by dropletization polymerization in the gas phase
- Patent Title (中): 在气相中通过液滴聚合制备吸水聚合物颗粒
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Application No.: US11814021Application Date: 2006-01-24
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Publication No.: US07727586B2Publication Date: 2010-06-01
- Inventor: Stefan Bruhns , Volker Frenz , Dennis Lösch , Volker Seidl , Uwe Stueven , Carolin Nadine Dücker , Matthias Weismantel , Wilfried Heide , Stefan Blei
- Applicant: Stefan Bruhns , Volker Frenz , Dennis Lösch , Volker Seidl , Uwe Stueven , Carolin Nadine Dücker , Matthias Weismantel , Wilfried Heide , Stefan Blei
- Applicant Address: DE Ludwigshafen
- Assignee: BASF Aktiengesellschaft
- Current Assignee: BASF Aktiengesellschaft
- Current Assignee Address: DE Ludwigshafen
- Agency: Marshall, Gerstein & Borun LLP
- Priority: DE10-2005-004-296 20050128; DE10-2005-014-292 20050324; DE10-2006-001-596 20060111
- International Application: PCT/EP2006/050419 WO 20060124
- International Announcement: WO2006/079631 WO 20060803
- Main IPC: C08F2/10
- IPC: C08F2/10 ; C08F2/00 ; C08F2/01 ; C08F2/04
Abstract:
A process for producing water-absorbing polymeric particles by dropletization polymerization in the gas phase, which comprises drying the polymeric particles after the polymerization in a fluidized bed, the water-absorbing polymeric particles themselves, hygiene articles comprising these water-absorbing polymeric particles and also apparatus for implementing the process.
Public/Granted literature
- US20080188586A1 Production of Water-Absorbing Polymeric Particles by Dropletization Polymerization in the Gas Phase Public/Granted day:2008-08-07
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