受阻酚抗氧剂对沥青及沥青混合料老化性能的影响研究  

Research on the Influence of Hindered Phenolic Antioxidants on the Aging Performance of Asphalt and Asphalt Mixtures

作　　者：宋金平 Song Jinping(Hebei Guangtai Road and Bridge Engineering Group Co.,Ltd.,Handan 056002,China)

机构地区：[1]河北光太路桥工程集团有限公司,邯郸市056002

出　　处：《北方交通》2025年第3期39-42,46,共5页Northern Communications

基　　金：邯郸市科学技术研究与发展计划项目(21422053009)。

摘　　要：采用常规试验老化指标和马歇尔稳定度老化指数分析了受阻酚抗氧剂Irganox 1010对沥青及沥青混合料老化性能的影响。研究认为受阻酚抗氧剂中的受阻酚基团能与沥青中的自由基发生反应,使沥青中易与氧分子结合的活性基团更加稳定,从而抑制沥青的老化。受阻酚抗氧剂抗老化效果显著,当受阻酚类抗氧剂的掺量在3%左右时,沥青混合料的路用性能最佳。The influence of the hindered phenolic antioxidant Irganox 1010 on the aging performance of asphalt and asphalt mixture is analyzed by using the aging indicators of the conventional test and the aging index of Marshall stability.The research shows that the hindered phenolic groups in the hindered phenolic antioxidants can react with free radicals in asphalt,and make the active groups in asphalt that are easily bound to oxygen molecules more stable,thereby inhibiting asphalt aging.The anti-aging effect of the hindered phenolic antioxidant is remarkable.When the content of the hindered phenolic antioxidant is about 3%,the pavement performance of asphalt mixture is the best.

关 键 词：受阻酚抗氧剂 抗老化性能 低温性能 路用性能 

分 类 号：U414[交通运输工程—道路与铁道工程]