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SSBR / NR blend vulcanizates Structure and Properties

Author: DuYanBo
Tutor: JiaHongBing
School: Nanjing University of Technology and Engineering
Course: Applied Chemistry
Keywords: SSBR Natural rubber Blends Dynamic mechanical properties
CLC: TQ330
Type: Master's thesis
Year: 2008
Downloads: 155
Quote: 1
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Abstract


In this paper, ~ 1H-NMR, GPC, DSC and TG-DTA and other modern means of characterization of the three grades of SSBR (SSBR) raw rubber structure and properties were studied and characterized on the basis of the Yanshan Petrochemical Corporation trial of some grades of SSBR (C) SSBR blended with natural rubber conducted in-depth research to study the SSBR and NR blend ratio on SSBR / NR vulcanizate properties , compared four grades SBR and NR vulcanizate blends , results showed that: and SSBR (A) and SSBR (B) compared to , SSBR (C) structural units of each raw rubber content is moderate , typically trimodal molecular weight distribution . SSBR (C) and NR NR blends can improve heat aging properties , wear resistance, fatigue resistance, tensile properties and dynamic mechanical properties, so that to achieve high rubber grip and low rolling resistance for optimum balance ; while improving SSBR (C) processing performance and resistance to ozone aging properties. SSBR (C) / NR composite system tensile properties, heat aging properties and dynamic mechanical properties significantly better than SSBR (A) / NR and SSBR (B) / NR composite system, especially SSBR (C) / NR composite system can significantly improve the wet skid resistance of NR , while reducing the rolling resistance, so that a better balance between the two . And ESBR (E) / NR comparison , SSBR (C) / NR composites tensile properties , heat aging properties and dynamic mechanical performance, especially wet skid resistance is higher than the former .

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