Filled cut-resistant fiber

Details Filled cut-resistant fiber Filled cut-resistant fiber

D - Textiles, Paper

01

F

D01F 1/10 (2006.01) A41D 31/00 (2006.01) D01F 6/04 (2006.01) D01F 6/60 (2006.01) D01F 8/00 (2006.01) D01F 8/14 (2006.01) D04H 1/42 (2006.01) D04H 1/54 (2006.01) D04H 3/10 (2006.01) D04H 3/16 (2006.01)

Patent

CA 2221551

A fiber having increased cut resistance is made from a fiber-forming polymer and a hard filler having a Mohs Hardness Value greater than about 3. The filler is included in an amount of about 0.05% to about 20% by weight. In preferred embodiments, the fiber-forming polymer is poly(ethylene terephthalate) or a liquid crystalline polyester comprising monomer units derived from 6-hydroxy-2-naphthoic acid and 4-hydroxybenzoic acid. Preferred fillers include tungsten and alumina.

Obtention d'une fibre résistant mieux aux coupures, à partir d'un polymère produisant des fibres et d'une charge possédant une dureté Mohs supérieure à 3 environ. La charge représente environ 0,05 % à 20 % en poids. Dans des versions privilégiées de l'invention, le polymère produisant des fibres est du poly(téréphtalate d'éthylène) ou un polyester liquide cristallisé, renfermant des unités de monomère dérivées de l'acide 6-hydroxy-2-naphtoïque et de l'acide 4-hydroxybenzoïque. Parmi les charges que l'on préfère figurent le tungstène et l'alumine.

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