Absorbent mixture, method of making same and absorbent...

Details Absorbent mixture, method of making same and absorbent... Absorbent mixture, method of making same and absorbent...

B - Operations, Transporting

01

J

117/127, 252/31,

B01J 20/26 (2006.01) A61L 15/22 (2006.01) A61L 15/60 (2006.01) B01J 20/30 (2006.01)

Patent

CA 2016733

ABSTRACT An absorbent mixture, as made from fibers formed into a fibrous web and a polymerizable, cross-linkable material, in a liquid carrier. The material, when polymerized and cross-linked, results in a superabsorbent polymer. The material, in the liquid carrier, is dispersed within the fibrous web, as dispersed inclusions, and is polymerized and cross-linked in situ, within the fibrous web, so as to form a composite web comprising the fibrous web and the superabsorbent polymer, as dispersed particles, at least some of which are bound to fibers from the fibrous web. The composite web is ground, so as to cause some of the superabsorbent polymers to become particulate while fragments of the superabsorbent polymer remain bound to fibers from the fibrous web. Before the composite web is ground, it may be provided with a fibrous layer or fibrous layers in intimate contact therewith, and also compressed.

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