Water-Absorbing Polymers With Supramolecular Hollow Molecules, Method For Producing Them And Use Of The Same
Patent #: 6,958,429
Inventor(s): Christoph Bruhn, Edgar Herrmann, Jörg Issberner, Dagmar Kersten, Richard Mertens and Georg Werner
Company: Stockhausen GmbH & Co. KG
A sheet material comprising absorptive polymer particles has been patented. One or more of the polymers comprises polymerized units of one or more monoethylenically unsaturated monomers having at least one acid group, The surface of the absorptive polymer particles is secondary surface crosslinked and the polymer is at least partially neutralized and has one or more cyclodextrins, cyclodextrin derivatives or both cyclodextrins and cyclodextrin derivatives, bonded covalently, bonded ionically, incorporated therein or a combination thereof.
View on USPTO