Synthesis and characterization of fluorinated poly(aryl ether)s with excellent dielectric properties
Polymer Chemistry, ISSN: 1759-9962, Vol: 15, Issue: 19, Page: 1947-1954
2024
- 5Citations
- 1Mentions
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Metrics Details
- Citations5
- Citation Indexes5
- Mentions1
- News Mentions1
- News1
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New Networks Study Findings Have Been Reported by Researchers at Chinese Academy of Sciences [Synthesis and Characterization of Fluorinated Poly(Aryl Ether)S With Excellent Dielectric Properties]
2024 MAY 14 (NewsRx) -- By a News Reporter-Staff News Editor at Network Daily News -- Researchers detail new data in Networks. According to news
Article Description
The rapid development of high-speed communication networks has imposed more stringent requirements on the comprehensive performance of dielectric materials. In this work, a series of fluorinated poly(aryl ether)s (FPAEs) were prepared from 4,4′-dihydroxy-2,2′-bis(trifluoromethyl)biphenyl (TFBP) and different difluoride monomers through nucleophilic substitution reactions. The FPAE films had good thermal stability, with 5% weight loss temperature (T) values of 514-555 °C in nitrogen and glass transition temperature (T) values of 178-226 °C. Furthermore, these polymer films showed excellent hydrophobicity, with water contact angles ranging from 92.4° to 98.7°, and water absorption of 0.28-0.87%. Consequently, the FPAE films showed low dielectric constants of 2.07-2.80 and low dielectric loss of 0.002-0.006 at 11 GHz and 30 °C. These outstanding properties were attributed to their high fluorine contents and twisted biphenyl structures in the polymer chains.
Bibliographic Details
Royal Society of Chemistry (RSC)
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