Multicomponent fiber

Details Multicomponent fiber Multicomponent fiber

D - Textiles, Paper

01

F

D01F 8/14 (2006.01) A61L 15/00 (2006.01) D04H 1/42 (2006.01) D04H 1/54 (2006.01) D04H 3/14 (2006.01)

Patent

CA 2270530

Disclosed are multicomponent fibers wherein at least one component forms an exposed surface on at least a portion of the multicomponent fiber which will permit thermal bonding of the multicomponent fiber to other fibers. The multicomponent fibers comprise two poly(lactic acid) polymers with different L:D ratios which provide biodegradable properties to the multicomponent fiber yet which allow the multicomponent fiber to be easily processed. The multicomponent fiber is useful in making nonwoven structures that may be used in a disposable absorbent product intended for the absorption of fluids such as body fluids.

On décrit des fibres multicomposants dans lesquelles au moins un composant forme une surface exposée sur au moins une partie de la fibre multicomposant, ceci permettant d'assurer la liaison thermique de la fibre multicomposant avec d'autres fibres. La fibre multicomposant comprend deux polymères de poly(acide lactique) dont les rapports L:D différents confèrent des propriétés biodégradables à la fibre multicomposant ainsi qu'une facilité de traitement. La fibre multicomposant est utile dans la fabrication de structures non tissées qui peuvent être utilisées dans des produits absorbants jetables destinés à absorber des liquides tels que les liquides biologiques.

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