| 碳酸钙级配填充引起尼龙66剪切黏度降低的机理分析 |
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| 引用本文： | 方珏,徐九春,周宁琳,李利,吴石山,章峻.碳酸钙级配填充引起尼龙66剪切黏度降低的机理分析[J].高分子材料科学与工程,2009(10). |
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| 作者姓名： | 方珏 徐九春 周宁琳 李利 吴石山 章峻 |
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| 作者单位： | 江苏省生物医药功能材料工程研究中心南京师范大学;江苏省表面和界面化学工程技术研究中心南京大学;江苏省表面和界面化学工程技术研究中心;南京大学; |
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| 基金项目： | 国家高技术研究发展计划(863计划)专项资助项目(2006AA03Z445); 教育部博士点基金资助项目(20050319010); 江苏省发展和改革委员会的资助项目(苏发改高技发<2004>419号/苏财建<2004>45号) |
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| 摘 要： | 将粒径分别为600 mesh和2500 mesh的CaCO3粒子按照一定比例进行混合级配,并以30%(质量分数,下同)的比例填充尼龙66。在不同温度、不同转子转速下用哈克流变仪测试其扭矩。结果表明,合理的粒径级配可以有效地降低尼龙66填充复合体系的扭矩。通过对上述复合材料流动活化能和活化熵的研究结果表明,合理级配样品的流动活化熵和流动活化能均有所上升,并由此对合理级配引起聚合物复合材料体系黏度降低的作用机理进行了合理解释。
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| 关 键 词： | 碳酸钙 尼龙66 级配填充 流动活化能 |
Theory of Viscosity Decrease of PA66 Filled with CaCO_3 by Different Size and Size Distribution |
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| FANG Jue,XU Jiu-chun,ZHOU Ning-lin,LI Li,WU Shi-shan,ZHANG Jun.Theory of Viscosity Decrease of PA66 Filled with CaCO_3 by Different Size and Size Distribution[J].Polymer Materials Science & Engineering,2009(10). |
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| Authors: | FANG Jue XU Jiu-chun ZHOU Ning-lin LI Li WU Shi-shan ZHANG Jun |
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| Affiliation: | FANG Jue1,XU Jiu-chun1,ZHOU Ning-lin1,LI Li1,WU Shi-shan2,ZHANG Jun1,2(1.Jiangsu Engineering Research Center of Biomedical Functional Material,Nanjing Normal University,Nanjing 210097,China,2.Jiangsu Research Center of Surface and Interface Chemistry and Engineering Technology,Nanjing University,Nanjing 210093,China) |
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| Abstract: | Different sizes of calcium carbonates were blended according to different proportion and filled into nylon66 in 30%.The torque of composites of different temperature and rotate speed was tested by Haake torque rheometer,The results show that rational size and size distribution can decrease the torque of calcium carbonate filled nylon66 composites effectively.According to effective size gradation of filler,flow activation entropy increases by and that flow activation energy increases at the same time managed... |
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| Keywords: | calcium carbonate nylon66 size and size distribution flow activation energy |
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