Method for improving aramid yarn bundle cohesiveness

Details Method for improving aramid yarn bundle cohesiveness Method for improving aramid yarn bundle cohesiveness

D - Textiles, Paper

06

M

D06M 15/568 (2006.01) B60R 21/16 (2006.01) D06M 15/507 (2006.01) D06M 15/572 (2006.01)

Patent

CA 2589853

The invention pertains to a method for improving bundle cohesiveness of a bundle of aramid yarns and decreasing its friction coefficient, comprising adding to the bundle of yarns 0.1 - 3.0 wt.%, based on the yarn weight, of a water~-soluble or water-dispersible film forming binding agent, followed by treating the bundle of yarns with an oil having an intrinsic viscosity less than 100 mm2/s.

La présente invention concerne un procédé d'amélioration de la cohésion d'un faisceau de fils d'aramide et de diminution de son coefficient de frottement, qui consiste à ajouter au faisceau de fils 0,1 à 3,0 % en poids, basé sur le poids du fil, d'un agent de liaison filmogène hydrosoluble ou hydrodispersable, puis à traiter le faisceau de fils avec une huile ayant une viscosité intrinsèque inférieure à 100 mm2/s.

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