Imitating natural plant fiber, preparation method thereof...

Details Imitating natural plant fiber, preparation method thereof... Imitating natural plant fiber, preparation method thereof...

D - Textiles, Paper

01

F

D01F 1/10 (2006.01) D01F 6/04 (2006.01) D03D 15/00 (2006.01)

Patent

CA 2706980

An imitating natural plant fiber, preparation method thereof and the fabric made of it are provided. The preparation method includes the following steps: rolling and milling the mixture of plural first polyolefine chips, constant thermoplastic elastomer (TPE) and plural microcapsules which encapsulate essential oil extracted from natural plant in the twin-screw extruder, thus plural masterbatches can be made; melting and mixing the above masterbatches and plural second polyolefine which is same as the first one, thus a composite can be made, wherein the final content of the microcapsules is 1-32% by weight; and producing fibers by spinning, cooling, heat stretching, and heat setting. The fiber and the fabric made of it have durable natural plant aroma.

L'invention porte sur une imitation de fibre végétale naturelle, sur un procédé de préparation de cette dernière et sur le tissu fabriqué à partir de celle-ci. Le procédé de préparation de l'invention consiste à faire passer et mélanger dans une extrudeuse à deux vis un mélange de plusieurs copeaux d'une première polyoléfine, d'un élastomère thermoplastique constant (TPE) et de multiples microcapsules dans lesquelles est encapsulée une huile essentielle extraite d'une plante naturelle afin de former de multiples mélanges-maîtres; faire fondre et mélanger les mélanges-maîtres précités et plusieurs secondes polyoléfines semblables aux premières polyoléfines afin de former un composite dont la teneur finale en microcapsules est de 1 à 32% en poids; et produire des fibres par filage, refroidissement, étirage à chaud et thermofixage. La fibre et le tissu fabriqué à partir de celle-ci possèdent un arôme végétal naturel de longue durée.

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