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) C08K 3/00 (2006.01) C08K 3/08 (2006.01) D01F 6/58 (2006.01) D01F 6/60 (2006.01) D01F 6/62 (2006.01) D01F 6/84 (2006.01) D04H 3/10 (2006.01) D04H 3/16 (2006.01)

Patent

CA 2189240

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.

On fabrique une fibre ayant une meilleure résistance aux coupures à partir d'un polymère de formation de fibre et d'une charge de remplissage dure ayant une valeur de dureté Mohs supérieure à environ 3. La charge de remplissage est incorporée dans une quantité d'environ 0,05 % à environ 20 % en poids. Selon des modes préférés de réalisation, le polymère de formation de fibre est un poly(éthylène térephthalate) ou un polyester cristallin liquide comprenant des unités monomères dérivées de l'acide 6-hydroxy-2-naphthoïque et de l'acide 4-hydrobenzoïque. Les charges préférées sont le tungstène et l'oxyde d'aluminium.

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