凝汽器喉部橡胶膨胀节材料老化性能研究  

Study on Aging Properties of Rubber Expansion Joint Material in Condenser Throat

作　　者：张仑 李娜 孙超超 尉言辉 郁光廷 苏有学 ZHANG Lun;LI Na;SUN Chao-chao;WEI Yan-hui;YU Guang-ting;SU You-xue(CNNC Nuclear Power Operation Management Co.,Ltd.,Jiaxing 314300;Shaanxi Special Rubber Products Co.,Ltd.,Xi'an 710300)

机构地区：[1]中核核电运行管理有限公司,嘉兴314300 [2]陕西特种橡胶制品有限公司,西安710300

出　　处：《环境技术》2024年第10期172-178,共7页Environmental Technology

摘　　要：目的:为了解决传统凝汽器喉部橡胶膨胀节材料老化性能较差的问题。方法:研究通过薄通法制备出一种纳米氧化锌/三元乙丙橡胶复合材料,并对该材料进行了老化性能测试。结果:结果显示,制备的纳米氧化锌/三元乙丙橡胶材料的耐热氧老化性能为90.7%,耐紫外老化性能为93.4%。复合材料的两种耐老化性能明显低于其他橡胶材料。结论:纳米氧化锌能够有效延缓橡胶的老化速度,证明研究制备的新型材料具有良好的性能,为膨胀节材料领域的发展提供了技术支持。Purpose:To solve the problem of poor aging performance of traditional condenser throat rubber expansion joint materials.Method:A nano zinc oxide/EPDM rubber composite material was prepared by thin pass method and its aging properties were tested.Result:The results showed that the prepared nano zinc oxide/EPDM rubber material had a thermal oxidative aging resistance of 90.7%and a UV aging resistance of 93.4%.The two types of aging resistance of composite materials are significantly lower than other rubber materials.Conclusion:Nano zinc oxide can effectively delay the aging rate of rubber,proving that the newly prepared material has good performance and providing technical support for the development of expansion joint materials.

关 键 词：凝汽器 膨胀节 橡胶 纳米氧化锌 复合材料 

分 类 号：V435[航空宇航科学与技术—航空宇航推进理论与工程]