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| Study on Optimum Synthesis Process of Lanthanum Cyanurate and Its Plastication on PVC |
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Received:May 13, 2013
Revised:May 14, 2013
Accepted:May 15, 2013
Published Online:November 20, 2013
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| DOI：10.3969/j.issn.1007-7545.2013.12.014 |
| KeyWord:PVC; lanthanum cyanurate; thermal stability; plastication |
| Author | Institution |
| jiangzaiyong |
内蒙古科技大学材料与冶金学院 |
| Jiang Zaiyong |
内蒙古科技大学材料与冶金学院 |
| Liu Zhaogang |
内蒙古科技大学材料与冶金学院 |
| Hu Yanhong |
内蒙古科技大学材料与冶金学院 |
| Wang Mitang |
内蒙古科技大学材料与冶金学院 |
| Wang Haiou |
内蒙古科技大学材料与冶金学院 |
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| Abstract: |
| Lanthanum cyanurate was synthesized from cyanuric acid, lanthanum nitrate and sodium hydroxide. The optimum synthesis conditions of lanthanum cyanurate were determined by orthogonal test. The plastication of lanthanum cyanurate, lanthanum stearate, calcium stearate and zinc stearate on PVC was investigated and compared with torque rheometer. The results show that the optimum synthesis conditions include temperature of 70 ℃, NaOH concentration of 1.2 mol/L, reaction time of 60 min, and pH of 7. The combination of rare earth cyanurate stabilizer and rare earth stearate stabilizer has the optimum plastication results. |
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