文章摘要
Study the property of NBR enhanced by carbon nanotubus
Received:September 09, 2016  Revised:September 09, 2016
DOI：
Key Words: carbon nanotubes;NBR;dynamic mechanical property;scanning electron microscope
Author NameAffiliationE-mail
MA Wenbin* Qingdao University of Science and Technology,Key Laboratory of Rubber-Plastics,Ministry of Education 719367633@qq.com 
ZHANG Peiting Qingdao University of Science and Technology,Key Laboratory of Rubber-Plastics,Ministry of Education  
XIAO Jianbin Qingdao University of Science and Technology,Key Laboratory of Rubber-Plastics,Ministry of Education  
HU Yating Qingdao Hilywill Advanced Materials Technology COLTD  
ZHANG Wanming Qingdao Hilywill Advanced Materials Technology COLTD  
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Abstract:
      The effect of carbon nanotubes content on vulcanization characteristics,mechanical property,wear resistance,thermal conductivity,tensile property at high temperature,compression fatigue property and dynamic mechanical property of NBR,and the dispersion of carbon nanotubes in rubber was observed by scanning electron microscope.The results showed that,with increasing of carbon nanotubes content,the minimum torque and maximum torque increased gradually, scorch time and cure time decreased gradually;tensile strength and tear strength increased first and then decreased,the elongation at break decreased gradually,and modulus at 100% and modulus at 300% significantly increased;In tensile property at high temperature,property retention rate was gradually increased;heat conduction coefficient increased gradually,and abrasion volume of DIN decreased;the static compression ratio was gradually reduced,and the permanent deformation and fatigue temperature rised increased gradually.In the dynamic mechanical property,the loss factor of rubber was smaller,and the storage modulus was smaller when the temperature was lower after carbon nanotubes were added.It can be known by scanning electron microscope that the whole dispersion of carbon nanotubes in rubber was uniform,and there was phenomenon of agglomeration in local.
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