文章摘要
Effect of Reduced Graphene Oxide/Silica Composite Filler on Water Vapor Barrier Properties of Vacuum Formed Silicone Rubber Compositesone Rubber Composites
Received:June 14, 2024  Revised:June 14, 2024
DOI：10.12136/j.issn.1000-890X.2026.03.0180
Key Words: RGO；silica；silicone rubber；water vapor barrier property
Author NameAffiliationE-mail
SU Jie School of Mechanical Engineering,Chengdu University,Sichuan Chengdu 1781774841@qq.com 
MU Linpeng School of Mechanical Engineering,Chengdu University,Sichuan Chengdu  
CHEN Yikun School of Mechanical Engineering,Chengdu University,Sichuan Chengdu  
MAO Wanxia School of Mechanical Engineering,Chengdu University,Sichuan Chengdu  
LIU Xin Institute for Advanced Study,Research Center of Composites Surface and Interface Engineering,Chengdu University,Sichuan Chengdu  
DENG Jiaming Institute for Advanced Study,Research Center of Composites Surface and Interface Engineering,Chengdu University,Sichuan Chengdu  
HE Zhoukun* School of Mechanical Engineering,Chengdu University,Sichuan Chengdu hezhoukunhe@163.com 
LAN Xiaorong Luzhou Key Laboratory of Oral Maxillofacial Reconstruction and Regeneration,The Affiliated Stomatological Hospital,Southwest Medical University,Luzhou  
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Abstract:
      The mixing，vacuum forming methods and water vapor barrier properties of polydimethylsiloxane（PDMS） composites filled with reduced graphene oxide（RGO） and silica（SiO2） composite fillers were studied.The results indicated that vacuum forming after mixing for 0.5 h with an electric stirrer or with a three-roll mill had no significant effect on the uniformity and water vapor barrier property of pure PDMS compound.However，the strong shear effect of a three-roll mill for an extended mixing time(1.5 h) reduced the water vapor barrier property of pure PDMS compound.Adding RGO/SiO2 composite filler which had a distinct layered structure，and mixing for 0.5 h with a three-roll mill before vacuum forming，the water vapor barrier properties of RGO/SiO2/PDMS composites were significantly improved.
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