| 纳米SiO_x掺杂对LDPE聚合物微观结构的影响 |
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| 引用本文： | 梁芬芝,陈炯.纳米SiO_x掺杂对LDPE聚合物微观结构的影响[J].上海电力学院学报,2010,26(2):161-165. |
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| 作者姓名： | 梁芬芝 陈炯 |
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| 作者单位： | 1. 南京全信传输科技股份有限公司,江苏,南京,211113
2. 上海电力学院,上海,200090 |
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| 摘 要： | 以用双溶液共混的方法制备了相同浓度的纳米SiOx/LDPE和微米SiO2/LDPE聚合物复合材料.为了了解无机粒子的添加对LDPE微观结构的影响,对纯聚乙烯、纳米SiOx/LDPE和微米SiO2/LDPE复合材料进行了傅立叶红外光谱、X射线衍射和DMA动态机械谱测试.测试的结果表明:聚乙烯分子链没有改变微米SiO2的谱峰,但可使纳米SiOx的谱峰的波数变小、变宽.此外,纳米SiOx粒子的添加提高了复合材料的结晶度,并且由于纳米SiOx粒子和聚合物分子链之间氢键的作用,加强了分子间的作用力.
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| 关 键 词： | 红外光谱 X射线衍射 动态机械谱 低密度聚乙烯 纳米SiOx |
| 收稿时间： | 2009/9/18 0:00:00 |
The Effect of Nano-SiOx Particles on Microstructure of LDPE |
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| LIANG Fen-zhi and CHEN Jiong.The Effect of Nano-SiOx Particles on Microstructure of LDPE[J].Journal of Shanghai University of Electric Power,2010,26(2):161-165. |
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| Authors: | LIANG Fen-zhi and CHEN Jiong |
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| Affiliation: | 1. Nanjing Quanxin Cable Technology CO. Ltd. , Nanjing 211113, China; 2. Shanghai University of Electric Power, Shanghai 200090, China) |
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| Abstract: | A composite of low-density-polyethylene （LDPE） and nano-SiOx or micro-SiO2 are prepared in the method of double-solution mixture. In order to understand the influence of nano-SiO, particles on microstructure of LDPE, the pure LDPE, nano-SiOx/LDPE and micro-SiO2/LDPE composite are measured by FTIR, XRD and DMA. The results of test show that the molecular of LDPE do not change character apices of the miero-SiO2, but it changes that of nano-SiOx. It makes wave number of apices smaller, and the apices wider. In addition, the hydrogen bond is formed, and boosts the action between nano-SiOx particles and LDPE molecule, and improves the degree of crystallization of composite. |
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| Keywords: | FTIR XRD DMA low-density polyethylene nano-SiOx |
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