Recent advances on modify and aging researches of high temperature vulcanized silicone rubber

doi:10.16085/j.issn.1000-6613.2016.s2.035

Abstract

Abstract: Due to its brilliant high/low temperature behavior,aging resistance,surface properties,etc.,high temperature vulcanized(HTV) silicone rubber is widely applied in the fields of aerospace,electric power and medical equipment and so on.Some brilliant advances in HTV silicone rubber properties enhancement and product functionalization during the last five years were introduced.In addition,the mechanic and dielectric property changes of HTV silicone rubber in accelerated aging condition and their mechanisms were introduced,as well as some remarkable progresses in the precision,reliability and visualization of aging research methods.The analyses and predictions of material lifetime under multiple factors were highly focused on.The role of water in the aging progress of silicone rubber were also discussed.Finally,the prospects of modification and aging research of HTV silicone rubber were forecasted.In the future,functionalization research of HTV silicone rubber for extreme environment and the analyses and predictions of material lifetime under multiple factors will be important research directions.

Key words: organic compounds, polymers, high temperature vulcanized silicone rubber, modify, aging, mechanical propertie

摘要： 高温硫化硅橡胶由于其优异的高低温性能、耐候性、表面性能等特点而在航天、电力和医疗器械等领域中得到广泛应用。本文主要介绍了最近五年来，通过化学或物理方法对硅橡胶表面性能和低温性能等进行强化方面的相关研究，以及在实现产品功能化方面取得的进展。此外还介绍了在加速老化条件下不同硅橡胶材料的力学、介电性能等变化及其机理，以及在老化研究方法的精确化、可靠化和可视化方面的研究进展，重点关注多因素影响下的材料寿命分析和预测；并特别关注了水在硅橡胶老化过程中的作用及机理研究成果。最后，对高温硫化硅橡胶改性和老化研究的前景进行了展望。未来，极端环境下的硅橡胶功能化研究以及多因素影响下的材料寿命分析和预测将成为重要的发展方向。

关键词: 有机化合物, 聚合物, 高温硫化硅橡胶, 改性, 老化, 力学性能

CLC Number:

TQ333.93

WANG Teng, TIAN Yu, YANG Fan, ZHU Wei. Recent advances on modify and aging researches of high temperature vulcanized silicone rubber[J]. Chemical Industry and Engineering Progree, 2016, 35(S2): 209-213.

王腾, 田雨, 杨璠, 朱巍. 高温硫化硅橡胶改性及老化研究进展[J]. 化工进展, 2016, 35(S2): 209-213.

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