C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 67/04 (2006.01) A61L 15/22 (2006.01) A61L 15/62 (2006.01) C08L 67/02 (2006.01) D01F 6/92 (2006.01)
Patent
CA 2307676
Disclosed is a thermoplastic composition comprising an unreacted mixture of a poly(lactic acid) polymer; a polybutylene succinate polymer or a polybutylene succinate adipate polymer, or a mixture of such polymers; and a wetting agent. The thermoplastic composition exhibits substantial biodegradable properties yet is easily processed. The thermoplastic composition is useful in making multicomponent fibers or nonwoven structures that may be used in a disposable absorbent product intended for the absorption of fluids such as body fluids.
L'invention concerne une composition thermoplastique biodégradable comportant un mélange n'ayant pas réagi d'un polymère de poly(acide lactique); d'un polymère de succinate de polybutylène ou d'un polymère d'adipate-succinate de polybutylène, ou d'un mélange de ces polymères; et d'un agent mouillant. Cette composition thermoplastique possède des caractéristiques de biodégradabilité importantes et il est cependant aisé de la traiter. Cette composition s'avère utile dans la fabrication de fibres à multicomposants ou de structures non tissées qui peuvent être utilisées dans des articles absorbants jetables conçus pour absorber des fluides tels que des fluides corporels.
Etzel Brian T.
Tsai Fu-Jya
Borden Ladner Gervais Llp
Kimberly-Clark Worldwide Inc.
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