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| Manufacture Technology of Aramid Fibre and Mica Composite Insulation Paper |
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| DOI：10.11981/j.issn.1000-6842.2014.04.19 |
| Key Words:aramid fibre；mica；hot pressing；insulation paper；composite；tensile strength；dielectric strength |
| Fund Project:河北省教育厅青年基金项目（QN2014177）；石家庄经济学院博士科研启动基金项目。 |
| Author Name | Affiliation | | 张小伟 | 石家庄经济学院宝石与材料工艺学院,河北石家庄，050031 | | 刘淑鹏 | 石家庄经济学院宝石与材料工艺学院,河北石家庄，050031 |
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| Abstract: |
| Both aramid fibre and mica have excellent insulation properties and were extensively used for preparing insulation material. Aramid fibre and mica composite insulation paper was prepared for improving mechanical strength, flexibility and processibility of mica paper. Meanwhile, it could also improve the heat resistance, corona resistance and application stability of aramid fibre insulation paper. Preparation of aramid fibre and mica composite insulation paper with the technology of pre-production and hot pressing process was discussed in this paper. The influence of the ratio, length of aramid fibre and the temperature, time, pressure of hot pressing on the property of the composite insulation paper were studied in the experiment. Prepared insulation paper had excellent tensile strength and dielectric strength, which were 1000% and 33.3% higher than mica paper respectively. Meanwhile, excellent heat resistance and electrical insulation properties were displayed analyzed by TG-DSC atlas and volume resistivity. |
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