| Preparation and Characterization of Pre-Dispersed Rubber Masterbatch |
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| DOI： |
| Key Words: SBR；pre-dispersed rubber masterbatch；rheological behavior；mobility；compatibility；processing property |
| Author Name | Affiliation | | SU Juqiao | Sichuan University | | TANG Dahang | Sichuan University | | LIAO Xia | Sichuan University | | YANG Qi | Sichuan University |
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| Abstract: |
| The rubber masterbatch with pre-dispersed additive was prepared，and the influence of rubber and additive type，and properties of the compound with the masterbatch were investigated by SEM，ARES and GPC.The results showed that the compatibility between low molecular weight SBR（LMWSBR）and accelerator NS was good，and the dispersion of NS in the masterbatch was uniform.The masterbatch of LMWSBR and NS showed high critical strain value and a platform in lgG′-lgω curve in low frequency range which indicated formation of network.It also had better flow property than the masterbatch using high molecular weight SBR（HMWSBR）and accelerator NS in high frequency range，which was good for the storage and processing of the masterbatch.The compound with pre-dispersed masterbatch had longer scorch time and better processing property. |
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