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Preparation of high breakdown strength meta-aramid composite paper reinforced by polyphenylene sulfide superfine fiber
- Source :
- Polymer Engineering and Science. May, 2023, Vol. 63 Issue 5, p1579, 9 p.
- Publication Year :
- 2023
-
Abstract
- Meta-aramid paper has been widely used in transformers because of its excellent insulation properties and thermal stability. However, with the rapid development of high-voltage transformers, higher requirements are placed on the breakdown strength of meta-aramid paper. In this study, meta-aramid chopped fibers/polyphenylene sulfide (MACFs/PPS) composite paper was prepared by a combination of wet-copying and hot-rolling technology. Then the microscopic morphology, mechanical properties, crystallization behavior, insulation properties, and thermal stability of the MACFs/PPS composite paper were studied and evaluated. The experimental results showed that the breakdown strength of the MACFs/PPS composite paper was as high as 46.46 kV/ mm, which was 2.7 times higher than the famous Nomex T410 insulating paper. Meanwhile, the MACFs/PPS composite paper presented good mechanical properties and thermal stability. This paper provides a simple and versatile method for the preparation of meta-aramid composite paper with high breakdown strength. KEYWORDS breakdown strength, mechanical properties, meta-aramid paper, polyphenylene sulfide superfine fiber<br />1 | INTRODUCTION Meta-aramid fibers are one kind of high-performance fibers, which have high specific strength, modulus, excellent thermal stability and insulating properties because of their highly oriented hydrogen bonds [...]
Details
- Language :
- English
- ISSN :
- 00323888
- Volume :
- 63
- Issue :
- 5
- Database :
- Gale General OneFile
- Journal :
- Polymer Engineering and Science
- Publication Type :
- Academic Journal
- Accession number :
- edsgcl.751235696
- Full Text :
- https://doi.org/10.1002/pen.26307