HIGH PERFORMANCE ASPHALT USING ALKYL AROMATIC SULFONIC ACID ASPHALTENE DISPERSANTS

摘要

Disclosed is a high performance asphalt comprising a mixture of low to moderate performance asphalt with linear or branch chain alkyl substituted aromatic sulfonic acid. The high performance asphalt is made by mixing the low to moderate performance asphalt with 1 to 10 wt% linear or branched chain C8-C48 alkyl substituted aromatic sulfonic acid at a temperature of 175°C and less.