Spunlaid Fibers Comprising Coated Calcium Carbonate, Processes For Their Production, and Nonwoven Products
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United States of America Patent
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Issued Date -
Jul 22, 2010
app pub date -
Feb 14, 2008
filing date -
Dec 20, 2006
priority date (Note) -
Abandoned
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Abstract
Disclosed herein, in one embodiment, are spunlaid fibers comprising at least one polymeric resin and at least one filler having an average particle size of less than or equal to about 5 microns and/or having a top cut of less than about 15 microns, wherein the at least one filler is present in an amount of less than about 40% by weight, relative to the total weight of the spunlaid fibers. Also disclosed herein is a method for producing spunlaid fibers comprising adding calcium carbonate to at least one polymeric resin and extruding the resulting mixture. Further disclosed herein are nonwoven fabrics comprising such spunlaid fibers and methods for producing them.
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