文章摘要
Application of Pre-modified Lamellar Clay in BIIR
Received:March 06, 2019  Revised:March 06, 2019
DOI：10.12136/j.issn.1000-890X.2020.03.0187
Key Words: clay；organic modification；BIIR；composite；inner liner；dynamic mechanical properties；air tightness
Author NameAffiliationE-mail
LI Zhao Beijing University of Chemical Technology lizhao@rubber.chemchina.com 
LIU Lei Aeolus Tyre Co. ，Ltd  
YANG Yanping Aeolus Tyre Co. ，Ltd  
LIU Yuwan Aeolus Tyre Co. ，Ltd  
CHENG Ru Aeolus Tyre Co. ，Ltd  
WU Xiaohui Beijing University of Chemical Technology  
LU Yonglai* Beijing University of Chemical Technology luyonglai@mail.buct.edu.cn 
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Abstract:
      The application of pre-modified lamellar clay[SBR/clay （dosage ratio 100/80 ）nanocomposite] in brominated butyl rubber （BIIR） was studied. The results showed that，uniform nano dispersion of the pre-modified lamellar clay in BIIR was achieved，and the interaction force between the lamellar clay and rubber molecular chain increased. Compared with the compound without the pre-modified lamellar clay，the crosslinking density of the pre-modified lamellar clay/BIIR composite decreased，the optimum curing time was shortened，the tensile strength，elongation at break and permanent deformation at break increased，the loss factor at 60 ℃ decreased，the air tightness was significantly improved.The composite had a high performance cost ratio.
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