▎ 摘　　要

NOVELTY - Polyester master batch composition in that the graphene oxide dispersion is contained. USE - The composition is used for a polyester yarn (claimed). ADVANTAGE - The polyester master batch provides a polyester yarn further having far-infrared emissivity and antibacterial performance, and exhibiting lubricity, UV blocking properties, electrical conductivity, and heat dissipation properties, and having improved mechanical properties such as scratch resistance, abrasion resistance, tensile strength, flexural strength, and flexural modulus. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a polyester yarn comprising the master batch composition.