RUBBER COMPOSITION FOR A TIRE TREAD, WHICH INCLUDES A SOLUTION OF POLYMERIZATION STYRENE BUTADIENE RUBBER AND A BUTADIENE RUBBER AND IS CAPABLE OF OBTAINING EXCELLENT BRAKE PERFORMANCE AND FUEL EFFICIENCY

摘要

PURPOSE: A rubber composition for a tire tread is provided to be used in an environment-friendly manner using an environment-friendly softener and to improve a snow performance, abrasion performance, and fuel efficiency.;CONSTITUTION: A rubber composition for a tire tread comprises: a crude rubber including 15-35 parts by weight of a natural rubber, 45-58 parts by weight of a solution polymerization, and 33-42 parts by weight of a butadiene rubber; and 35-45 parts by weight of a softener based on 100.0 parts by weight of the crude rubber. The softener includes 3 weight% or less of polycyclic aromatic hydrocarbon, 15-25 weight% of an aromatic component, 27-37 weight% of a naphthene-based component, and 38-58 weight% of a paraffin-based component.;COPYRIGHT KIPO 2010