A biobased low dielectric resin derived from vanillin and guaiacol

Linxuan Fang; Yangqing Tao; Junfeng Zhou; Caiyun Wang; Menglu Dai; Jing Sun; Qiang Fang

doi:10.1039/D0PY01653E

A biobased low dielectric resin derived from vanillin and guaiacol†

Linxuan Fang,^a Yangqing Tao,^a Junfeng Zhou,

^a Caiyun Wang,

^a Menglu Dai,^a Jing Sun*^ab and Qiang Fang

*^a

Author affiliations

* Corresponding authors

^a Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P. R. China
E-mail: qiangfang@sioc.ac.cn, sunjing@sioc.ac.cn

^b CAS Key Laboratory of Energy Regulation Materials Shanghai Institute of Organic Chemistry, 345 Lingling Road, Shanghai 200032, P. R. China

Abstract

A new biobased low dielectric resin derived from vanillin and guaiacol has been synthesized. Thanks to the low polarizability of hexafluorocyclobutyl units, this resin exhibits good dielectric properties with an average dielectric constant (D_k) of 2.67 and a dielectric dissipation factor (D_f) of 2.9 × 10⁻³ at a frequency range from 0.15 MHz to 20 MHz. This resin also displays high dimensional stability with a coefficient of thermal expansion (CTE) of 46.3 ppm per °C from 25 °C to 180 °C and a glass transition temperature (T_g) of 243 °C. In addition, the polymer films on the silicon wafers also exhibit good uniformity, flatness, and high hydrophobicity, suggesting that this bio-based resin is suitable as an encapsulation for applications in the microelectronic industry.

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DOI: https://doi.org/10.1039/D0PY01653E
Article type: Paper
Submitted: 02 Dec 2020
Accepted: 06 Jan 2021
First published: 07 Jan 2021

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Polym. Chem., 2021,12, 766-770

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A biobased low dielectric resin derived from vanillin and guaiacol

L. Fang, Y. Tao, J. Zhou, C. Wang, M. Dai, J. Sun and Q. Fang, Polym. Chem., 2021, 12, 766 DOI: 10.1039/D0PY01653E

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Polymer Chemistry

A biobased low dielectric resin derived from vanillin and guaiacol†

Abstract

Supplementary files

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A biobased low dielectric resin derived from vanillin and guaiacol

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