| Study on Structure and Properties of Modified Ground Rubber/SBR Blend |
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| DOI： |
| Key Words: ground rubber；SBR；blend；curative；modified ground rubber |
| Author Name | Affiliation | | Wu YuPing | Beijing Universlty of Chemieal Technology | | Zhou Yanhao | Beijing Universlty of Chemieal Technology | | Zhao Suhe | Beijing Universlty of Chemieal Technology | | Bai Guochun | Beijing Universlty of Chemieal Technology |
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| Abstract: |
| The influence of the levels of sulfur，aeeelerator and modified ground rubber/SBR blend was investigated.The results showed that the static properties of the blend was not influenced significantly when 10一35 phr modified ground rubber was used；the dynamic compression fatigue heat build-up was not influenced signifieantly when 10一22 phr ground rubber was used；and it was benificial to the dynamic compression fatigue heat build-up to adjust the levels of sulfur and aeeelerator in the rubber matrix appropriately.The domain analysis with SEES showed that the migration of sulfur resulted in a transition layer with a special structure at the boundary，which was the key factor to decrease the dynamic compression fatigue heat build-up. |
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