Particulate water absorbent containing water absorbent resin...

Details Particulate water absorbent containing water absorbent resin... Particulate water absorbent containing water absorbent resin...

C - Chemistry, Metallurgy

08

L

C08L 101/00 (2006.01) A61L 15/24 (2006.01) B01J 20/26 (2006.01)

Patent

CA 2482394

The particulate water absorbent has a cross-linking structure therein, and contains (i) a particulate water absorbent resin having a cross-linking structure on a surface therof and (ii) not less than 0.001 mass % and less than 10 mass % of an organic acid multivalent metal salt whose molecule contains not less than seven carbon atoms. Futher, the particulate water absorbent contains 90 mass % of particles, whose particle diameter is not less than 106µm and 850µm, with respect to the particulate water absorbent.

L'invention concerne un absorbant particulaire d'eau présentant une structure de réticulation et renfermant (i) une résine particulaire absorbant l'eau et possédant une structure de réticulation sur une surface de celle-ci et (ii) pas moins de 0,001 % en masse et moins de 10 % en masse d'un sel métallique multivalent d'un acide organique dont la molécule renferme pas moins de sept atomes de carbone. De plus, l'absorbant particulaire d'eau renferme 90 % en masse de particules dont le diamètre n'est pas inférieur à 106 mu m et 850 mu m, par rapport à l'absorbant particulaire d'eau.

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