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US 12,404,611 B2Granted
Tire cord
AssigneeKolon Industries, Inc.
InventorsSeung Min Yoo, Sung Ho Park
Life of this patent
Estimating the term…
Abstract
The present disclosure relates to a tire cord. The tire cord includes a polyester drawn yarn containing recycled polyethylene terephthalate. The tire cord may exhibit excellent physical properties industrially required while including eco-friendly materials.
Claims12
A tire cord comprising a polyester drawn yarn containing 25 wt % or more of recycled polyethylene terephthalate having an intrinsic viscosity of 0.9 dl/g to 1.5 dl/g and an isophthalic acid content of less than 1.0 mol % based on the total carboxylic acid component,
- wherein a tensile strength is 7.0 g/d to 8.0 g/d and an elongation at break is 15.0% to 17.5% when measured according to the standard test method of ASTM D 885.
Dependencies are inferred from the claim text.