Methods of improving the softness of fibers and nonwoven webs and fibers and nonwoven webs having improved softness

The present invention provides a method for producing softer fibers and nonwoven webs that includes forming a mixture comprising (i) a thermoplastic and (ii) an additive selected from the group consisting of polyethylene waxes, glyceryl monostearate, sorbitan tristearate, CATALLOY KS357 MONTELL poly...

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Bibliographische Detailangaben
Hauptverfasser:	PEKRUL ROBERT L, JUNG SOO GYUNG, DELUCIA MARY LUCILLE, CHIN JEASEUNG, JOHNS ERIC MITCHELL, NING XIN, SCHERTZ DAVID M, CHO KYUNG HEE, YOU KUE YOUNG, HUDSON ROBERT L, BRAVERMAN JAIME, LEE JIN HEE
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS BANDAGES, DRESSINGS OR ABSORBENT PADS BRAIDING CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS COTTON-WOOL DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HUMAN NECESSITIES HYGIENE KNITTING LACE-MAKING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MEDICAL OR VETERINARY SCIENCE NATURAL OR ARTIFICIAL THREADS OR FIBRES NON-WOVEN FABRICS ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES SPINNING TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TEXTILES TREATMENT OR PROTECTION OF EYES OR EARS TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	The present invention provides a method for producing softer fibers and nonwoven webs that includes forming a mixture comprising (i) a thermoplastic and (ii) an additive selected from the group consisting of polyethylene waxes, glyceryl monostearate, sorbitan tristearate, CATALLOY KS357 MONTELL polyolefin resin, an amide having the chemical structure CH3(CH2)7CH=CH(CH2)xCONH2 where x is selected from 5-15 and mixtures thereof; forming the mixture into fibers and optionally creating a nonwoven web.