Triarm type vinyl aromatic hydrocarbon-conjugated diene block copolymer composition for improving heat stability of asphalt, method of manufacturing the same, and asphalt composition comprising the same

摘要

The invention triple branched vinyl aromatic hydrocarbon for improving the thermal stability of the asphalt - conjugated diene block copolymers composition , a preparation method thereof , and relates to the asphalt composition containing the same , a triple branched vinyl aromatic hydrocarbon - conjugated diene block copolymer , an antioxidant and an ozone degradation inhibitor for improving the thermal stability of asphalt that contains the enol ether compound triple branched vinyl aromatic hydrocarbon - conjugated diene block copolymer provides the composition . According to the present invention , ozone degradation inhibitor type triple branches comprising vinyl aromatic hydrocarbon - conjugated diene copolymer composition by using , thermal stability at high temperatures is to provide a significantly improved asphalt composition