摘要：

Because conventional small molecular anti-ageing agent is liable to migration and volatilization, and moreover its migratory rate is to be evidently speeded up along with raise of temperature and postpone of aging time, anti-aging efficiency of the anti-aging agent will be thus significantly decreased. Additionally it is possible that the anti-aging agents drawn out from rubber produces will cause environment pollution, and damage the health of human being’s. Although butadiene styrene rubber (SBR) have the largest yield and consumption in synthetic rubber owe to the boom of global automobile industry, as a diene-rubber, its outstanding performance is closely related to aging degree of the rubber, so that it is press for adopting a long-term effective and non-migratory anti-ageing agent to improve SBR. In the paper, an intermediate of anti-aging agent was grafted onto the surface of silica, whose effect on anti-aging behaviors and thermal oxidation stability properties of SBR were studied in detailed by used activation energy analysis to the process of thermal oxidation aging and accelerating aging experimental etc.. The result show that RT-silica can dramatically improve oxidation induction period(OIT) and mechanical properties of SBR. Before extraction, the OIT of SBR/RT-silica composite can reach 42min, whereas the OIT of corresponding SBR/silica/4010NA composite is only 26min. After extraction, the OIT of SBR/RT-silica composite still keeps at a high level of 35min, but SBR/silica/4010NA composite drops to the level of SBR/silica composite without antioxidant, just 15min, its indicating that RT-silica does possesses excellent properties of resistance to thermal oxidation aging and migration.
 

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个人简介：

　　黄光速，四川大学教授，1982年从四川大学高分子系获得高分子化工的学士学位，此后先后从四川大学获得高分子材料的硕士和博士学位。目前为博导，高分子材料系系主任，四川省橡胶协会理事和相关2个杂志的编委。作为第一作者或通讯联系人，黄光速教授已在国际学术期刊上发表了100多篇文章，申请中国发明专利15项，其中10项获得授权。
　　在长期的职业生涯中，她涉及到很宽的研究领域，包括橡胶，弹性体，凝胶，涂料等的合成，表征和加工，以及这些材料的表征及物理性能及老化和防老化研究。近年来，作为项目和任务的负责人，承担和完成了大约20项国家自然科学基金，国家重大科技专项，973计划等项目，取得丰硕成果，并在橡胶合成与加工，多层次结构与性能关系研究方面积累了丰富的经验和理论知识。当前的研究兴趣集中于橡胶的高性化，功能化以及橡胶纳米复合材料的凝聚态物理。