Invention Grant
US09228048B2 Foam compositions and articles including cyclodextrin crosslinked with polyurethane prepolymer and preparation thereof 有权
泡沫组合物和包括用聚氨酯预聚物交联的环糊精的制品及其制备

Foam compositions and articles including cyclodextrin crosslinked with polyurethane prepolymer and preparation thereof
Abstract:
An odor-absorbing foam composition comprising a cyclodextrin crosslinked with a polyurethane prepolymer. In one embodiment, the foam includes a ratio of the cyclodextrin to the polyurethane prepolymer selected to result in formation of the foam. The odor-absorbing foam may be used in a personal care product or wound care. A process for preparing a foam, including providing a cyclodextrin; providing a polyurethane prepolymer; combining the cyclodextrin with the polyurethane prepolymer; and allowing the polyurethane prepolymer to react with water and crosslink the cyclodextrin to form the foam. A process for preparing an odor-absorbing foam article such as a personal care product, including preparing the foam and applying it or the components thereof to a suitable substrate.
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