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    • 5. 发明公开
    • 기계적 물성 및 내노화 성능이 개선된 아스팔트 조성물 및그의 제조방법
    • 具有改善的机械性能和抗老化性能的沥青组合物及其制备方法
    • KR1020070105533A
    • 2007-10-31
    • KR1020060037772
    • 2006-04-26
    • 에스케이이노베이션 주식회사에스케이에너지 주식회사
    • 차순만황의윤임상철황형기
    • C08L95/00
    • C08L95/00C08L9/06C08L11/00C08L53/02C08L2666/08C08L2666/04
    • An asphalt composition having improved mechanical properties and anti-aging performances is provided to ensure a good adhesion at ambient temperature and a greatly improved anti-aging characteristic. An asphalt composition having improved mechanical properties and anti-aging performances comprises (A) 90-99.9wt% of asphalt or pitch having a viscosity of 100-1,000,000 poise at 60 °C and a penetration index of 5-400 dmm(1/10mm) at 25 °C, and (B) 0.1-10wt% of at least one polymer selected from the group consisting of styrene polymers having a weight average molecular weight of 50,000-2,000,000 and a content of styrene in the polymer of 20-50wt%, ethylenemethacrylate, ethylenepropylene rubbers, or ethylvinylacetate random copolymers having a weight average molecular weight of 50,000-1,000,000 and an ethylene content of 40-99.7wt%, and isoprene polymers having a weight average molecular weight of 50,000-1,000,000.
    • 提供具有改善的机械性能和抗老化性能的沥青组合物,以确保在环境温度下良好的粘附性和大大改善的抗老化特性。 具有改进的机械性能和抗老化性能的沥青组合物包括(A)在60℃下粘度为100-1,000,000泊的沥青或沥青的90-99.9重量%,渗透指数为5-400dmm(1 / 10mm) )和(B)0.1-10重量%的至少一种选自重均分子量为50,000-2,000,000的苯乙烯聚合物和聚合物中苯乙烯含量为20-50重量%的聚合物, 乙烯 - 丙烯酸乙酯,乙烯 - 丙烯橡胶或乙基乙酸乙烯酯无规共聚物,其重均分子量为50,000-1,000,000,乙烯含量为40-99.7wt%,异戊二烯聚合物的重均分子量为50,000-1,000,000。