| LDPE-Ni/多晶铁纤维电磁屏蔽包装材料研究 |
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| 引用本文： | 解娜,焦清介,臧充光,刘帅. LDPE-Ni/多晶铁纤维电磁屏蔽包装材料研究[J]. 包装工程, 2006, 27(1): 10-12 |
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| 作者姓名： | 解娜 焦清介 臧充光 刘帅 |
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| 作者单位： | 北京理工大学,爆炸科学与技术国家重点实验室,北京,100081;北京理工大学,爆炸科学与技术国家重点实验室,北京,100081;北京理工大学,爆炸科学与技术国家重点实验室,北京,100081;北京理工大学,爆炸科学与技术国家重点实验室,北京,100081 |
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| 摘 要： | 为制备一种性能优良,使用方便的电磁屏蔽包装材料,用多晶铁纤维和镍粉作为导电填料,填加到LDPE中,制备成了LDPE-Ni/多晶铁纤维电磁屏蔽材料.研究发现,该材料的屏蔽效能值为20dB;"渗滤阈值"为20%～25%;由于多晶铁纤维的复合磁损耗机理,材料的具有一定的吸波功能;当多晶铁纤维和镍粉的含量为18%时,复合材料达到最大拉伸强度12.5MPa,而其断裂伸长率呈下降趋势.
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| 关 键 词： | 电磁屏蔽 包装材料 复合材料 多晶铁纤维 镍粉 |
| 文章编号： | 1001-3563(2006)01-0010-03 |
| 收稿时间： | 2005-09-27 |
| 修稿时间： | 2005-09-27 |
Study on the properties of LDPE-nickel /crystal iron fiber electromagnetic shielding packaging material |
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| XIE Na,JIAO Qing-jie,ZANG Chong-guang,LIU Shuai. Study on the properties of LDPE-nickel /crystal iron fiber electromagnetic shielding packaging material[J]. Packaging Engineering, 2006, 27(1): 10-12 |
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| Authors: | XIE Na JIAO Qing-jie ZANG Chong-guang LIU Shuai |
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| Affiliation: | State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China |
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| Abstract: | Adding crystal iron fiber and nickel into LDPE can make electromagnetic shielding materials,which can be used as packaging materials.It was showed that the material's shielding efficiency is 20dB,and percolation threshold is 20%-25%.It can absorb electromagnetic wave because of magnetism and electric wastage of the crystal iron fiber.The material get to the highest tensile strength and the elongation at break is decreasing when the content of the nickel powder and crystal iron fiber reaches 18%. |
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| Keywords: | electromagnetic shielding packaging materials composite materials crystal iron fiber nickel LDPE |
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