6.6 6 A High Tenacity Tire Cord using Nylon 66 or Nylon 6 and Aramid and Radial Tires Produced by the Same

摘要

The present invention relates to a high strength hybrid dipped cord using nylon 6.6 or nylon 6 yarn and an aramid yarn, and radial tires using the same. A method for producing the hybrid dipped cord according to the present invention comprises: a step of preparing one nylon 6.6 yarn or nylon 6 yarn and one aramid yarn; a step of adding one nylon 6.6 or nylon 6 yarn longer than the aramid yarn to produce twisted yarns of 200-500 TPM yarns each, thereby producing a lower yarn; a step of folding the twisted yarn in two to produce twisted yarns of 200-500 TPM to produce a raw cord; and a step of dipping the raw cord into adhesive liquid and performing heat treatment. During the heat treatment, the nylon 6.6 yarn or the nylon 6 yarn is heat-shrunk so that the length of the nylon 6.6 yarn or the nylon yarn 6 becomes equal to the length of the aramid yarn.