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Preparation of flame-retardant cyanate ester with low dielectric constants and dissipation factors modified with novel phosphorus-contained Schiff base

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Abstract

Novel phosphorus-contained Schiff base (PSF) is synthesized by furfurylamine, salicylaldehyde and 9,10-dihydro-9-oxa-10-phosphaphenanthrene 10-oxide and is incorporated with CE to prepare a flame-retardant cyanate esters. The thermal property, flame-retardant property and dielectric property are tested. The results show that the incorporating of PSF leads to more incomplete combustion and results in increase in of char yield and flame-retardant property. The LOI value of 35% and UL-94 V-0 rate have been achieved for 1.0% of phosphorus content. The dielectric constants and dissipation factors of CE-PSF increase with the promotion of phosphorus contents and slightly lower than neat CE for forming more s-triazine network with the catalysis of PSF. CE-PSF is an alternate of traditional cyanate ester resin to prepare the matrix material of printed circuit board.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant Nos. 51373129, 51672201 and JCKY2016110C008).

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Authors and Affiliations

  1. School of Materials Science and Engineering, Wuhan University of Technology, 122 Luoshi Road, Hongshan District, Wuhan, 430070, People’s Republic of China

    Xi Chen, Jun Wang, Siqi Huo, Bin Zhang & Haopeng Cai

  2. School of Mechanical and Electronic Engineering, Wuhan University of Technology, Wuhan, 430070, People’s Republic of China

    Shuang Yang

Authors
  1. Xi Chen
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  2. Jun Wang
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  3. Siqi Huo
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  4. Shuang Yang
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  5. Bin Zhang
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Correspondence to Jun Wang.

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Chen, X., Wang, J., Huo, S. et al. Preparation of flame-retardant cyanate ester with low dielectric constants and dissipation factors modified with novel phosphorus-contained Schiff base. J Therm Anal Calorim 135, 3153–3164 (2019). https://doi.org/10.1007/s10973-018-7507-1

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  • DOI: https://doi.org/10.1007/s10973-018-7507-1

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