文章摘要
Grinding and Coupling Modification of Pyrolysis Carbon Black and Its Reinforcing Effect on SBR
Received:July 06, 2020  Revised:July 28, 2020
DOI：10.12136/j.issn.1000-890X.2020.12.0924
Key Words: pyrolysis carbon black；SBR；grinding；silane coupling agent；modification；reinforcing effect
Author NameAffiliationE-mail
SUN Abin Qingdao University of Science and Technology sunabin1979@163.com 
LIU Xuncong Qingdao University of Science and Technology  
WANG Qi Qingdao University of Science and Technology  
XIA Lin* Qingdao University of Science and Technology xialin@qust.edu.cn 
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Abstract:
      Pyrolysis carbon black（CBp） was modified by grinding and coupling agent vinyl triethoxysilane（VTEO），and the effects of grinding modified CBp and VTEO modified CBp on the properties of SBR compound were studied.The results showed that，with the increase of grinding time，the particle size of CBp decreased，and the interaction between CBp and rubber macromolecular chain was enhanced.The Mooney viscosity and Fmax－Fsub>L of grinding modified CBp reinforced SBR compound increased，and the physical properties of vulcanizates were improved.The t10 of VTEO modified CBp reinforced SBR compound was prolonged，which meaned the processing safety was improved.When 1 phr VTEO was used to modify 50 phr CBp，the tensile strength of vulcanizate increased by 1.6 MPa.
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