WATER-DISPERSIBLE SULPHOPOLYESTERS FOR MULTICOMPONENT FIBRES

Disclosed are multicomponent fibers derived from a blend of a sulfopolyester with a water non-dispersible polymer wherein the as-spun denier is less than about 6 and wherein the water dispersible sulfopolyester exhibits a melt viscosity of less than 12,000 poise measured at 240°C at a strain rate of...

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Bibliographic Details
Main Authors Crain, Allen Lynn, Seo, Kab Sik, Klosiewicz, Daniel William, Fleenor, Coralie McKenna, George, Scott Ellery, Gupta, Rakesh Kumar
Format Patent
LanguageEnglish
French
German
Published 18.07.2018
Subjects
ADHESIVES
APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS
BRAIDING
CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS
CHEMISTRY
COMPOSITIONS BASED THEREON
COTTON-WOOL
DYES
FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS
KNITTING
LACE-MAKING
LOOMS
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
METHODS OF WEAVING
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL OR ARTIFICIAL THREADS OR FIBRES
NATURAL RESINS
NON-WOVEN FABRICS
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
POLISHES
SPINNING
TEXTILES
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRIMMINGS
WADDING
WEAVING
WOVEN FABRICS
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Summary:Disclosed are multicomponent fibers derived from a blend of a sulfopolyester with a water non-dispersible polymer wherein the as-spun denier is less than about 6 and wherein the water dispersible sulfopolyester exhibits a melt viscosity of less than 12,000 poise measured at 240°C at a strain rate of 1 rad/sec, and wherein the sulfopolyester comprising less than about 25 mole % of residues of at least one sulfomonomer, based on the total moles of diacid or diol residues. The multicomponent fiber is capable of being drawn at a relatively high fiber speed, particularly at least about 2000 m/min, and may be used to produce microdenier fibers. Fibrous articles may be produced from the multicomponent fibers and microdenier fibers. Also disclosed is a process for multicomponent fibers, nonwoven fabrics, and microdenier webs.
Bibliography:Application Number: EP20100192073