C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 101/14 (2006.01) A61L 15/22 (2006.01) A61L 15/60 (2006.01)
Patent
CA 2365512
Disclosed in the present application are absorbent polymer compositions useful in the absorption of body fluids such as urine, menses and the like. In particular, the invention relates to mixed-bed ion-exchange absorbent polymer compositions having excellent absorbency performance properties in terms of absorbent capacity under a confining pressure of 0.7 psi and/or 1.4 psi. Certain mixed-bed ion-exchange absorbent polymer compositions of the present invention have excellent absorbency properties not only for a synthetic urine with a composition and ionic strength that is typical of young infants but also for a high ionic strength synthetic urine that has a composition and ionic strength that is typical of the urine of older infants and toddlers. The invention also relates to absorbent members comprising the mixed-bed ion- exchange absorbent polymer compositions, and absorbent articles comprising the absorbent members.
L'invention porte sur des compositions absorbantes de polymères servant à absorber les fluides corporels tels que l'urine, le flux menstruel, et autres, et en particulier sur des compositions de polymères échangeuses d'ions à lits mélangés présentant d'excellentes performances d'absorption en matière de capacité d'absorption sous une pression de confinement de 0,7 psi et/ou de 1,4 psi. Certaines de ces compositions présentent d'excellentes propriétés d'absorption non seulement pour de l'urine de synthèse dont la composition et la concentration en ions sont caractéristiques de celle des nourrissons, mais également pour de l'urine de synthèse à forte concentration en ions dont la composition et la concentration en ions sont caractéristiques de celles de l'urine des bébés et des petits enfants. L'invention porte également sur des éléments absorbants incluant lesdites compositions de polymères échangeuses d'ions à lits mélangés, et sur des articles comportant lesdits éléments.
Ashraf Arman
Dyer John Collins
Goldman Stephen Allen
Hird Bryn
Magness Robert Earl
Dimock Stratton Llp
The Procter & Gamble Company
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