| Toughening Effect of Modified NR Powder on PVC |
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| DOI： |
| Key Words: PVC；modified NR powder；blend；toughening effect；impact strength |
| Author Name | Affiliation | | Wang Lianshi | South China University of Technology | | Gao Zhimei | South China University of Technology | | Zhou Yiyu | South China University of Technology | | Cai Tong | South China University of Technology |
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| Abstract: |
| The modified NR powder(PMNR)with the particle diameter less than 0.9 mm was blended with PVC to study the toughening effect of PMNR on PVC.The mechanical properties of the blends were investigated.It was found that the PMNR had notable toughening effect on PVC.The notched Charpy impact strength of the blend increased from 5.1 kJ·m-2 to 64.3 kJ·m-2 as the content of PMNR increased from 2.5 parts to 5 parts.The impact fractured surface morphology on SEM showed that the toughening mechanism of the blend was in accordance with that of the shear yielding. |
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