SYNTHESIS AND ELECTRICAL PROPERTIES OF POLYIMIDE-Al<sub>2</sub>O<sub>3</sub> COMPOSITES

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SYNTHESIS AND ELECTRICAL PROPERTIES OF POLYIMIDE-Al₂O₃ COMPOSITES

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- SYNTHESIS AND ELECTRICAL PROPERTIES OF POLYIMIDE-Al₂O₃ COMPOSITES
- Issue 3, Pages: 271-276(2007)
- Affiliations：
  
  1.   State Key Laboratory of Electrical Insulation for Power Equipments Xi’an Jiaotong University
  2.   Xi’an 710049
  3.   China
- Author bio：
- Funds：
- DOI：
  CLC： TQ317
- Published：2007
- Accepted：
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[1]陈寿田.SYNTHESIS AND ELECTRICAL PROPERTIES OF POLYIMIDE-Al_2O_3 COMPOSITES[J].Chinese Journal of Polymer Science,2007(03):271-276.

SYNTHESIS AND ELECTRICAL PROPERTIES OF POLYIMIDE-Al₂O₃ COMPOSITES[J]. 2007, (3): 271-276.
[1]陈寿田.SYNTHESIS AND ELECTRICAL PROPERTIES OF POLYIMIDE-Al_2O_3 COMPOSITES[J].Chinese Journal of Polymer Science,2007(03):271-276. DOI：

SYNTHESIS AND ELECTRICAL PROPERTIES OF POLYIMIDE-Al₂O₃ COMPOSITES[J]. 2007, (3): 271-276. DOI：

摘要

<正>Polyimide-alumina hybrid films were synthesized via in situ polymerization and thermal imidation process from a solution of polyimide precursor and nanosized alumina in N

N-dimethylacetamide

and the microstructure of the hybrid films was characterized by transmission electron microscope （TEM） and infra-red （IR） spectrometry. The dependence of thermal stability

tensile properties

dielectric properties and degradation endurance under corona on the nano-Al2O3 content of polyimide-alumina hybrid films was studied. The results show that with the increase of Al2O3 content

the thermal stability and the dielectric properties of the hybrids increase

while the tensile properties decrease. Better corona resistance can be achieved if the PI film is filled withα-Al2O3 nanometric particle.

Abstract

Polyimide-alumina hybrid films were synthesized via in situ polymerization and thermal imidation process from a solution of polyimide precursor and nanosized alumina in N

N-dimethylacetamide

and the microstructure of the hybrid films was characterized by transmission electron microscope （TEM） and infra-red （IR） spectrometry. The dependence of thermal stability

tensile properties

dielectric properties and degradation endurance under corona on the nano-Al2O3 content of polyimide-alumina hybrid films was studied. The results show that with the increase of Al2O3 content

the thermal stability and the dielectric properties of the hybrids increase

while the tensile properties decrease. Better corona resistance can be achieved if the PI film is filled withα-Al2O3 nanometric particle.

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SYNTHESIS AND ELECTRICAL PROPERTIES OF POLYIMIDE-Al2O3 COMPOSITES

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SYNTHESIS AND ELECTRICAL PROPERTIES OF POLYIMIDE-Al₂O₃ COMPOSITES