Drawn gel-spun polyethylene yarns and process for drawing

Details Drawn gel-spun polyethylene yarns and process for drawing Drawn gel-spun polyethylene yarns and process for drawing

D - Textiles, Paper

01

F

D01F 6/04 (2006.01) D01D 5/12 (2006.01)

Patent

CA 2580115

Gel-spun multi-filament polyethylene yarns possessing a high degree of molecular and crystalline order, and to the drawing methods by which they are produced. The drawn yarns are useful in impact absorption and ballistic resistance for body armor, helmets, breast plates, helicopter seats. Spall shields, and other applications ; composite sports equipment such as kayaks, canoes, bicycles and boats ; and in fishing line, sails, ropes, sutures and fabrics.

L'invention concerne des fils de polyéthylène à filaments multiples filés à l'état de gel, lesquels possèdent un degré élevé d'ordre moléculaire et cristallin, ainsi que des procédés d'étirage permettant de produire ces fils. Les fils étirés sont utiles dans l'absorption de chocs et la résistance balistique pour des vêtements pare-balles, des casques, des plastrons, des sièges d'hélicoptères, des écrans anti-éclats, et dans d'autres applications, dans des équipements composites de sport tels que kayak, canoës, bicyclettes et bateaux, ainsi que pour des lignes de pêche, des voiles, des cordages, des fils de suture et des tissus.

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