SUPERABSORBENT BI-COMPONENT FIBER
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United States of America Patent
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Aug 11, 2011
app pub date -
Oct 6, 2009
filing date -
Oct 11, 2008
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Abstract
A superabsorbent bi-component fiber, wherein component A is at least one thermoplastic polymer and component B is a compound selected from at least one thermoplastic base polymer and at least one superabsorbent polymer (SAP), and also a method for production thereof are described. The melting point of the thermoplastic contained in component A is at least 20° C. higher than the melting point of the thermoplastic contained in component B, the average grain size of the SAP is 0.5 to 10 μm and the compound has an SAP-fraction of 0.5 to 40 wt %. The bi-component fiber can be used to produce superabsorbent textile fabrics which are used in particular in the field of hygiene and medicine.
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