文章摘要
Effect of First-stage Mixing Time on Properties of Graphene/NR/SSBR Composites LIN
Received:July 29, 2019  Revised:July 29, 2019
DOI：10.12136/j.issn.1000-890X.2021.01.0054
Key Words: mixing process；mixing time；graphene；NR；SSBR；composite；electrical conductivity； thermal conductivity；air tightness
Author NameAffiliationE-mail
LIN Guangyi Qingdao University of Science and Technology
Shandong Key Laboratory of Advanced Polymer Materials Manufacturing 		gylin666@163.com 
WANG Hong Qingdao University of Science and Technology
Shandong Key Laboratory of Advanced Polymer Materials Manufacturing 		 
WANG Jia Qingdao University of Science and Technology
Shandong Key Laboratory of Advanced Polymer Materials Manufacturing 		 
WANG Honghao Qingdao University of Science and Technology
Shandong Key Laboratory of Advanced Polymer Materials Manufacturing 		 
JING Yuan Qingdao University of Science and Technology
Shandong Key Laboratory of Advanced Polymer Materials Manufacturing 		 
huyafei* Qingdao University of Science and Technology
Shandong Key Laboratory of Advanced Polymer Materials Manufacturing 		59401939@qq.com 
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Abstract:
      The graphene oxide（GO）/natural rubberl（NR）/solution polymerized styrene butadiene（SSBR） and reduced graphene oxide（rGO）/NR/SSBR composites were prepared by two stage mixing process with the first stage inetrnal mixing and the second stage open mixing，and the effect of the first stage mixing time on properties of GO/NR/SSBR and rGO/NR/SSBR composites was studied.The results showed that，with the extension of the first stage mixing time，theFL and Fmax of GO/NR/SSBR and rGO/NR/SSBR composites was prolonged，t90 was shortened，shore A hardness，modules at 300% elongation，tensile strength and tear strength was enlarged first and then reduced，electrical conductivity and thermal conductivity first increased and then decreased，air tightness was improved first，then stabilized and then decreased.
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