Polyester monofil for the carcass of radial tires

Details Polyester monofil for the carcass of radial tires Polyester monofil for the carcass of radial tires

D - Textiles, Paper

01

F

18/636.1

D01F 6/62 (2006.01) B60C 9/00 (2006.01) B60C 9/08 (2006.01)

Patent

CA 2023558

- 1 - HOE 89/F 265 Abstract POLYESTER MONOFIL FOR THE CARCASS OF RADIAL TIRES A monofil is described for the carcass of radial tires. The monofil consists of a polyester which is more than 90 % polyethylene terephthalate and has a high molecular weight corresponding to an intrinsic viscosity of at least 0.64 and a carboxyl group content of at most 15 meq/kg. The monofil has a diameter of from 0.4 to 0.9 mm, a tenacity of at least 40 cN/tex, a breaking extension of from 12 to 30 %, a reference extension of about 1 % under a load of 45 N, a heat shrinkage of from 0.5 to 5 % in hot air at 160°C and a strength of adhesion to rubber of at least 30 cN/tex/cm.

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