Dipped cord made of melt spun filament yarns of an alternating copolymer and a process for manufacturing said cord
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Jul 5, 2001
app pub date -
Dec 20, 2000
filing date -
Dec 20, 1999
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Dipped cords made from melt-spun filament yarns of an alternating copolymer of alkenes and carbon monoxide have a cord twist factor in the range of 120 to 250 and a breaking tenacity BT.gtoreq.750 mN/tex, a TASE-2>70 mN/tex, and a HAS-2'-180.degree. C. (5 mN/tex)<3.6%. These dipped cords are made by subjecting drawn filament yarns to a dipping treatment. Preference is given to dipped cords having a breaking tenacity BT.gtoreq.850 mN/tex and a TASE-2>75 mN/tex, which are obtainable from yarns wherein after dipsimulation, the aspect ratio of the crystals 2.LAMBDA..sub.002/(.LAMBDA..sub.210+.LAMBDA..sub.310) varies between 2.3 and 2.7. The cords are preeminently suitable to reinforce rubber articles such as car tires.
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