| Superfine grinding and surface modification of carbon black from pyrolyzed waste tire and its application in NR compound |
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| DOI： |
| Key Words: pyrolyzed carbon black；superfine grinding；surface modification；NR；waste tire |
| Author Name | Affiliation | | XIAO Guo-liang | Chongqing University | | PENG Xiao-qin | Chongqing University | | GE Guo-sheng | Tsinghua University |
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| Abstract: |
| The influence of the superfine grinding and surface modification on the properties of the carbon black from pyrolyzed waste tire and its application in NR compound were investigated.The results showed that the optimal rotating speed of FZD single rotor grinding machine was 800 rpm during superfine grinding of pyrolyzed carbon black，at which the superfine pyrolyzed carbon black with the medium particle size of 4.37 μm was obtained；the flowability and dispersity of carbon black improved by the surface modification with stearic acid，and the optimal levels of modifying stearic acid for raw pyrolyzed carbon black and superfine pyrolyzed carbon black were 1% and 2% respectively；and the reinforcing effect of surface modified superfine pyrolyzed carbon black on NR was similar to that of semi reinforcing furnace black. |
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