Patent ID: 7772456
Filing Date: 2010-08-10
Classification: A61L

Abstract:
1. An article comprising, a stretchable absorbent composite including a quantity of superabsorbent particles which have a substantially continuous thermoplastic coating and are operatively contained within a matrix of elastomeric polymer fibers, wherein said composite includes at least about 60 wt % of the superabsorbent particles and not more than about 40 wt % of the elastomeric polymer fibers, based on a total weight of the composite; wherein said thermoplastic coating includes at least one material selected from the group consisting of polyethylene oxide, polypropylene oxide, ethylene oxide-propylene oxide copolymer, polyethylene glycol, polypropylene glycol, ethylene glycol-propylene glycol copolymer, modified polysaccharides, such as hydroxypropyl cellulose, methyl cellulose, methyl ethyl cellulose, polyethylene imine, and combinations thereof; wherein said superabsorbent with said thermoplastic coating exhibits a centrifuge retention capacity of at least about 15 g/g; and wherein said thermoplastic coating has a melting-point temperature of at least 60° C. and not more than 150° C.; said composite provides a stretchability value of at least about 30% and a shake-out value of not more than about 2%; and the elastomeric polymer fibers have been produced from a polymer material having a melt flow rate of at least about 100 g/10 min.