Cellulosic staple fiber and its use as a filling material

Details Cellulosic staple fiber and its use as a filling material Cellulosic staple fiber and its use as a filling material

D - Textiles, Paper

01

F

D01F 2/06 (2006.01) B68G 1/00 (2006.01) D01D 5/253 (2006.01) D01F 2/10 (2006.01)

Patent

CA 2589461

The present invention relates to the use of a multilobal cellulosic staple fiber as a filling fiber. Furthermore, the invention relates to a cellulosic staple fiber which is characterized in that - the cross-section of the fiber has three or more lobes - the titer of the fiber is 1.0 to 30 dtex, preferably more than 3.0 dtex, especially more than 5.0 dtex, preferably 5.6 to 10 dtex, especially preferred more than 6.0 dtex, especially 6.3 to 10 dtex - the wet modulus of the fiber fulfils the following formula: Wet modulus (cN/tex) >= 0,5*.sqroot..TAU. wherein T is the titer of the fiber in dtex - the breaking strength of the fiber in the conditioned state fulfils the following formula: Breaking Strength (cN/tex) >= 1.3*.sqroot.T + 2*T wherein T is the titer of the fiber in dtex.

La présente invention concerne l'utilisation de fibre cellulosique courte multilobée comme fibre de remplissage. L'invention concerne en outre une fibre cellulosique courte qui est caractérisée en ce que, d'une part la fibre présente en coupe au moins trois lobes, d'autre part le titre de la fibre est de 1 à 30 dtex, de préférence de plus de 3 dtex, particulièrement de plus 5 dtex, de préférence 5.6 à 10 dtex, plus particulièrement de plus de 6 dtex, et tout particulièrement de 5.6 à 10 dtex, mais aussi que le module humide respecte la formule (cN/tex) = 0,5*v? dans laquelle T est le titre de la fibre exprimé en dtex, et qu'enfin la résistance à la rupture de la fibre à l'état conditionné respecte la formule (cN/tex) = 1.3*vT + 2*T dans laquelle T est le titre de la fibre exprimé en dtex.

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