| EVOH/纳米SiO2复合材料的加工流变性能及应用 |
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| 引用本文： | 刘跃军,刘亦武,魏珊珊.EVOH/纳米SiO2复合材料的加工流变性能及应用[J].高分子材料科学与工程,2011(5):124-128. |
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| 作者姓名： | 刘跃军 刘亦武 魏珊珊 |
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| 作者单位： | 湖南工业大学包装新材料与技术重点实验室 |
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| 基金项目： | 国家自然科学基金资助项目(10672197,10972076);湖南省杰出青年基金(07JJ1001);湖南省科技计划项目(2009GK3127);湖南工业大学研究生创新基金(CX0903) |
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| 摘 要： | 采用高级毛细管流变仪,分别测定乙烯-乙烯醇共聚物(EVOH)及EVOH/纳米SiO<,2>复合材料的流变性能,研究了不同温度、不同纳米SiO<,2>含量对复合材料加工性能的影响.以上述流变性能测试为参考,改变加工工艺,采用熔融共混法制备EVOH/纳米SiO<,2>复合材料并吹塑成膜,测试薄膜的性能.结果表明,随着纳米S...
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| 关 键 词： | 乙烯-乙烯醇共聚物 纳米SiO2 流变性能 加工工艺 |
Processing Rheological Property and Application of EVOH/SiO2 Nanocomposites |
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| Yuejun Liu,Yiwu Liu,Shanshan Wei.Processing Rheological Property and Application of EVOH/SiO2 Nanocomposites[J].Polymer Materials Science & Engineering,2011(5):124-128. |
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| Authors: | Yuejun Liu Yiwu Liu Shanshan Wei |
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| Affiliation: | Key Laboratory of New Materials and Technology for Packaging,Hunan University of Technology,Zhuzhou 412007,China) |
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| Abstract: | The influence of different temperature and contents of nano-SiO2 on the rheological behavior of the composites was researched through measuring the rheological behavior of the ethylene-vinyl alcohol copolymer(EVOH) and the EVOH/nano-SiO2 composites by advanced capillary rheometer.Using rheological properties of composites as a reference,changing processing technology,EVOH/SiO2 nano-composites were prepared by melt blending and blown to film,after that,we tested the performance of the films.The results show that: with the increase of the amount of nano-SiO2,the melt flow properties of the composite have a great decline and the processing temperature range becomes more and more narrow.The maximum amount of nano-SiO2 is about 5%.When the mass fraction of nano-SiO2 is greater than 3%,the melt flow properties of the composite is less affected by temperature.Different processing technologies have a certain impact on the performance of EVOH and EVOH/nano-SiO2 composite. |
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| Keywords: | EVOH nano-SiO2 rheological property processing technology |
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