文章摘要
Effect of Carbon Black Network Degree on Mesoscopic Structure and Dynamic Viscoelasticity in Filled NR System during Tensile Fatigue
Received:February 22, 2015  Revised:February 22, 2015
DOI：
Key Words: carbon black；network degree；NR；tensile fatigue；mesoscopic structure；dynamic viscoelasticity
Author NameAffiliationE-mail
zhouwenmin 青岛科技大学 橡塑材料与工程教育部重点实验室　青岛 zhouwm506@sina.com 
songxinxing 青岛科技大学 橡塑材料与工程教育部重点实验室　青岛  
sunchong 青岛科技大学 橡塑材料与工程教育部重点实验室　青岛  
zhaoshugao 青岛科技大学 橡塑材料与工程教育部重点实验室　青岛  
zhangping* 青岛科技大学 橡塑材料与工程教育部重点实验室　青岛 zhangpzhsg1953@126.com 
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Abstract:
      The effect of carbon black network degree on the mesoscopic structure and dynamic viscoelasticity in filled NR vulcanizate during tensile fatigue was investigated.The results showed that the relationship between carbon black concentration and fatigue life of NR vulcanizate was almost linear.The loss modulus（E″） and loss factor（tanδ） decreased with increase of fatigue degree.The dependence of tanδ on temperature before fatigue was weak when the degree of carbon black network was low，but it was strong when the degree of carbon black network was high，and E″ had a peak value.The carbon black aggregates had a sphere-like arrangement before fatigue and arranged in chains at the plane which was perpendicular to the stretching direction after fatigue
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