Patent ID: 9109304
Filing Date: 2015-08-18
Classification: B29B,B29K,D01D,D01F,D02G,D10B

Abstract:
1. Aramid tire cord comprising a twisted yarn of plies prepared by primarily twisting aramid multifilament containing poly(paraphenylene terephthalamide) with 20 to 60 turns per 10 cm to form a ply and finally twisting the plies with 20 to 60 turns per 10 cm, wherein an initial modulus change rate of the aramid tire cord is defined by the following calculation 1, and the initial modulus change rate is not more than 5% after the aramid tire cord is repetitively extended 10 times at 120° C. under the condition that the load corresponding to 10% of the strength at break is applied thereto, wherein ‘M