Fibers comprising starch and biodegradable polymers

Details Fibers comprising starch and biodegradable polymers Fibers comprising starch and biodegradable polymers

D - Textiles, Paper

01

F

D01F 6/92 (2006.01) D04H 1/42 (2006.01)

Patent

CA 2446092

Environmentally degradable finely attenuated fibers produced by melt spinning a composition comprising destructurized starch, a biodegradable thermoplastic polymer, and a plasticizer are disclosed. The present invention is also directed to highly attenuated fibers containing thermoplastic polymer microfibrils which are formed within the starch matrix of the finely attenuated fiber. Nonwoven webs and disposable articles comprising the highly attenuated fibers are also disclosed.

L'invention concerne des fibres finement affinées, dégradables dans l'environnement, qui sont produites par le filage par fusion d'une composition contenant de l'amidon déstructuré, un polymère thermoplastique et un plastifiant. L'invention concerne également des fibres fortement affinées contenant des microfibrilles de polymère thermoplastique formées à l'intérieur de la matrice d'amidon de la fibre finement afinée. L'invention concerne encore des voiles nontissés et des articles jetables contenant les fibres fortement affinées selon l'invention.

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