| Effects of rare earth coupling agent WOT on the properties of nano-calcium carbonate/SBR composite |
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| DOI： |
| Key Words: rare earth coupling agent；nano-calcium carbonate；SBR；composite；dynamic property |
| Author Name | Affiliation | | WANG Yue-qiong | South China University of Technology | | CHEN Yu-kun | South China University of Technology | | JIA De-min | South China University of Technology | | LENG Hai-qiang | Winner Functional Materials Co.，Ltd | | CHEN Jun | Winner Functional Materials Co.，Ltd | | ZHENG De | Winner Functional Materials Co.，Ltd |
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| Abstract: |
| The surface of nano-calcium carbonate was modified by rare earth coupling agent WOT，the nano-calcium carbonate/SBR composite was prepared by mechanical blending method，and the properties of the composite were investigated.The results showed that，compared to silane coupling agent KH-560，rare earth coupling agent WOT provided the modified composite better processability，higher tensile strength and elongation at break，the optimal addition level of rare earth coupling agent WOT was 1.6 phr；the dispersion of nano-calcium carbonate in SBR compound was improved by using coupling agent KH-560 and WOT，and the dynamic property of composite was improved. |
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