| Correlation between Fatigue Resistance and Micro-Structure of SSBR |
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| DOI： |
| Key Words: SSBR；fatigue resistance；micro-structure；correlation |
| Author Name | Affiliation | | SUN Xuehong | Qingdao University of Science and Technology | | CUI Baoping | Qingdao University of Science and Technology | | DONG Lingbo | Qingdao University of Science and Technology | | XU Guiyong | Qingdao University of Science and Technology | | ZHAO Shugao | Qingdao University of Science and Technology |
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| Abstract: |
| The correlation between fatigue resistance and micro-structure of SSBR was studied based on different grades of SSBR.The results showed that，the flex fatigue life was extended with increase of bound styrene content，vinyl content and extending oil amount，while it was reduced with increase of block styrene content.The compound showed better fatigue life when its glass transition temperature was close to the operating temperature.It was found that the fatigue life of SSBR was significantly correlated with its crosslink density and aging resistance，and the fatigue life increased with decrease of crosslink density and improvement of aging resistance. |
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