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BIODEGRADABLE SUPERABSORBENT POLYMER COMPOSITION WITH GOOD ABSORPTION AND RETENTION PROPERTIES
专利权人:
Franck Furno
发明人:
Franck Furno,Harald Schmidt,Nicolaas De Bruin
申请号:
US14448188
公开号:
US20140339469A1
申请日:
2014.07.31
申请国别(地区):
US
年份:
2014
代理人:
摘要:
The present invention generally relates to a method for the production of a superabsorbent composition comprising the process steps:i. production of a hydrogel by radical polymerization of an aqueous monomer solution containing at least one monomerii. drying the hydrogel to obtain a water-absorbing polymer structureiii. surface crosslinking of the water-absorbing polymer structure to obtain a surface-crosslinked water-absorbing polymer structure,iv. incorporation of a starch compound in one or at least two of the variants V1 to V6, V1. in process step i. into the monomer solutionV2. after process step i. and prior to process step ii. into the hydrogelV3. in process step ii.V4. after process step ii. and prior to process step iii. into the water-absorbing polymer structureV5. in process step iiiV6. after process step iii onto the surface-crosslinked water-absorbing polymer structure.The present invention also related to a superabsorbent composition obtainable according to this method, a particulate superabsorbent composition and a composite, a sanitary article core and a sanitary item, furthermore chemical products and also the use of this superabsorbent composition in chemical products.
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