Rewettable polyolefin fiber and corresponding nonwovens

Details Rewettable polyolefin fiber and corresponding nonwovens Rewettable polyolefin fiber and corresponding nonwovens

D - Textiles, Paper

06

M

117/187, 117/224

D06M 13/224 (2006.01) D04H 1/00 (2006.01) D06M 13/292 (2006.01) D06M 15/643 (2006.01) D06M 15/647 (2006.01)

Patent

CA 2022147

REWETTABLE POLYOLEFIN FIBER AND CORRESPONDING NONWOVENS ABSTRACT OF DISCLOSURE A method for imparting hydrophilic properties to non- woven material containing hydrophobic polyolefin-containing fiber or fibrillated film by applying onto the surface of the fiber or fibrillated film an aqueous alkoxylated surfactant composition comprising at least 80% of alkoxylated or alkoxy- lated and hydrogenated triglyceryl esters of 18-carbon fatty acids including a major portion of alkoxylated ricinolein or alkoxylated and hydrogenated ricinolein, or a water-soluble polyalkoxylated polydimethylsiloxane combined with an anti- static compound, or 0.5 to 80% of the said alkoxylated ricinolein or alkoxylated and hydrogenated ricinolein and 20 to 99.5% by weight of a water-soluble polyalkylene modified polydimethylsiloxane combined with the antistatic compound, and forming the fiber or fibrillated film into a nonwoven material.

FIBRES DE POLYOLÉFINES RÉHUMECTABLES ET TISSUS NON TISSÉS CORRESPONDANTS Méthode pour conférer des propriétés hydrophiles à des matériaux non tissés contenant des fibres composées en partie de polyoléfines hydrophobes ou une pellicule fibrillée en appliquant à la surface des fibres ou de la pellicule fibrillée une composition tensio-active alkoxylée aqueuse comprenant au moins 80 % de triglycérilesters, alkoxylés ou alkoxylés et hydrogénés, d'acides gras à chaîne de 18 carbones, constitués en majeure partie de ricinoléine alkoxylée ou alkoxylée et hydrogénée, ou un polydiméthylsiloxane polyalkoxylé hydrosoluble, combiné à un composé antistatique, ou bien 0,5 à 80 % de cette ricinoléine alkoxylée ou alkoxylée et hydrogénée et 20 à 99,5 % en poids d'un polydiméthylsiloxane hydrosoluble, modifié par un polyalkylène combiné à un composé antistatique, qui transforment les fibres ou la pellicule fibrillée en un matériau non tissé.

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