Title:
吸水性多糖類及びその製造方法
Document Type and Number:
Japanese Patent JP2012509947
Kind Code:
A
Abstract:
A process for producing a polysaccharide superabsorbent particulate including the process steps of bringing into contact a polysaccharide with a polyphosphate or a polyphosphoric acid as crosslinking agent in the presence of water to form a polysaccharide gel drying the polysaccharide gel, comminuting the dried polysaccharide gel to form polysaccharide superabsorbent polymer particles, coating the particles with a polyphosphate or polyphosphoric acid, crosslinking the coated particles, and surface treating the particulate with a metal multivalent salt or an acid. The invention further relates to a polysaccharide superabsorbent polymer particulate obtainable by this process, a water-absorbent polysaccharide, a composite, a process for producing a composite, a composite produced by this process, the use of the polysaccharide superabsorbent particulates or of the composites as well as the use of polyphosphates.
Inventors:
Tian Goongle
Young Kin Yang
Smith scott jay
Young Kin Yang
Smith scott jay
Application Number:
JP2011536810A
Publication Date:
April 26, 2012
Filing Date:
October 28, 2009
Export Citation:
Assignee:
Evonik Stockhausen LRC
International Classes:
C08B11/12
Domestic Patent References:
| JP2008503600A | 2008-02-07 | |||
| JP2005502735A | 2005-01-27 |
Foreign References:
| US20080082065A1 | 2008-04-03 |
Attorney, Agent or Firm:
Kenji Akatsuka
Yasuo Fukuda
Yasuyuki Sakata
Ken Shibuya
Yasuo Fukuda
Yasuyuki Sakata
Ken Shibuya