Wettable polyolefin fibers and fabrics

D - Textiles – Paper – 01 – F

Patent

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D01F 6/04 (2006.01) A61L 15/22 (2006.01) A61L 15/24 (2006.01) D01F 1/10 (2006.01) D01F 6/06 (2006.01) D01F 8/06 (2006.01) D04H 1/42 (2006.01) D04H 3/00 (2006.01)

Patent

CA 2429380

Polyolefin woven and nonwoven fibers, filaments and fabrics made therefrom which comprise a melt blend which comprises (a) a polyolefin; and (b) at least one compound of the formula (I), wherein R1 is a straight or branched chain alkyl of 22 to 40 carbon atoms and the hydrophilic oligomer is a homo- or co- oligomer consisting of between 2 and 10 monomer units derived from monomers selected from the group consisting of ethylene oxide, propylene oxide, ethylene glycol, propylene glycol, epichlorhydrin, acrylic acid, methacrylic acid, ethylene imine, caprolactone, vinyl alcohol and vinyl acetate; exhibit excellent durable wettability. The fabrics are useful in disposable diapers, training pants, feminine napkins, tampons, incontinence care products, wet and dry wipes, wound dressings, surgical capes, filter medial, battery separators and the like.

L'invention concerne des fibres de polyoléfine tissées et non tissées, des filaments et des tissus qui en sont issus, possédant une mouillabilité durable excellente, constituées à partir d'un mélange fondu comprenant (a) une polyoléfine, et (b) au moins un composé de formule (I), dans laquelle R¿1? représente une chaîne alkyle linéaire ou ramifiée de 22 à 40 atomes de carbone, l'oligomère hydrophile étant un homo- ou co-oligomère constitué de 2 à 10 unités monomères dérivées de monomères choisis dans le groupe comprenant de l'oxyde d'éthylène, de l'oxyde de propylène, de l'éthylène glycol, du propylène glycol, de l'épichlorhydrine, de l'acide acrylique, de l'acide méthacrylique, de l'éthylène imine, de la caprolactone, de l'alcool vinylique et de l'acétate de vinyle. Les tissus sont utiles dans des couches jetables, des culottes de propreté, des serviettes féminines, des tampons, des produits de soins pour incontinence, des lingettes humides et sèches, des pansements, des armatures chirurgicales, des supports de filtre, des séparateurs de batteries et dans d'autres applications.

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