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On the surface, is crosslinked and surface-active coated absorbent resin particles and method for its production
On the surface, is crosslinked and surface-active coated absorbent resin particles and method for its production
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机译:在表面上是交联的且具有表面活性的涂覆的吸收性树脂颗粒及其制造方法
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摘要
The invention is surface crosslinked particles of water absorbing resin comprising particles of a carboxyl containing water-absorbent resin; characterized in that the particles of the carboxyl containing water-absorbent resin are crosslinked at or near the particle surface by a polyhydroxy compound capable of reacting with the carboxyl moieties of the water-absorbent resin, further characterized in that the particles have coated on or bound to the surface a nonionic surfactant having an HLB of from 3 to 10. Additionally a process for the preparation of such surface crosslinked and surfactant coated absorbent resin particles is disclosed. Further disclosed is a water-absorbent structure comprising a synthetic or natural fiber or paper based woven or nonwoven carrier structure and surface crosslinked and surfactant coated water-absorbent resin particles of this invention.
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