B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 20/26 (2006.01) A61L 15/48 (2006.01) A61L 15/60 (2006.01) C08F 8/14 (2006.01)
Patent
CA 2066010
ABSTRACT SURFACE CROSSLINKED AND SURFACTANT COATED ABSORBENT RESIN PARTICLES AND METHOD OF PREPARATION 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. C-399421-F
Burgert Josef
Gartner Herbert
Smart & Biggar
The Dow Chemical Company
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