Dipped cord made of melt spun filament yarns of an...

D - Textiles – Paper – 02 – G

Patent

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D02G 3/48 (2006.01) D01F 6/30 (2006.01)

Patent

CA 2325951

Claimed are dipped cords made from melt-spun filament yarns of an alternating copolymer of alkenes and carbon monoxide having a cord twist factor in the range of 120 to 250 and a - breaking tenacity BT ~ 750 mN/tex, - TASE-2 > 70 mN/tex, and - HAS-2'-180°C (5 mN/tex) < 3.6%, and the manufacture of these cords by subjecting drawn filament yarns to a dipping treatment. Preference is given to dipped cords, having a - breaking tenacity BT ~ 850 mN/tex, - TASE-2 > 75 mN/tex, which are obtainable from yarns wherein after dipsimulation the aspect ratio of the crystals 2A002/(A210+A310) varies between 2.3 and 2.7. The cords were found to be pre-eminently suitable to reinforce rubber articles such as car tyres.

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