Design and Preparation of Benzoxazine Resin with High-Frequency Low Dielectric Constants and Ultralow Dielectric Losses AITranslate

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DOI：https://doi.org/10.1021/acsapm.8b00083

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The new main-chain benzoxazine copolymer oligomers with bulky hydrocarbon end groups are first designed and synthesized. In particular, the aliphatic diamine based copolymers owning low dielectric constants (<3) and ultralow dielectric losses (<0.005) under high frequencies, is suitable for applications in the field of high-frequency communications. Therefore, this work not only provides a facile and effective protocol to simultaneously obtain excellent high-frequency dielectric properties, and improved processing and thermal properties of benzoxazine resins, but also widens the scope of the design and synthesis of functional and high-performance thermosetting polymers.