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Renewable Bis-benzoxazine Monomers from Lignin Derivatives: Synthesis, Characterization and Studies on Curing Behavior

CHUNYAN LIU*, YUNHE LIU, ZIHAN PAN, QIUTING LI, HAN XU, TAO LIU

Chengde Petroleum College, Department of Chemical Engineering, Chengde 067000, Hebei, China

* Corresponding Author: e-mail: email

Journal of Polymer Materials 2019, 36(1), 87-99. https://doi.org/10.32381/JPM.2019.36.01.7

Abstract

In this work, a series of novel lignin-based bis-benzoxazine monomers were efficiently synthesized by the reaction of renewable phenols: guaiacol, vanillyl alcohol, eugenol, vanillin with ethylene diamine and paraformaldehyde. The chemical structures of these lignin-based bis-benzoxazine monomers were confirmed by 1H-NMR, 13C-NMR and FTIR, indicating the formation of benzoxazine ring. The obtained bis-benzoxazine monomers were cured via thermal treatment. The curing behavior of these lignin-based bis-benzoxazine monomers were compared and analyzed via differential scanning calorimetry (DSC), showing that Va-e possessed higher ring-opening polymerization activity than G-e, while E-e and V-e had lower curing activity than G-e.

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APA Style
LIU, C., LIU, Y., PAN, Z., LI, Q., XU, H. et al. (2019). Renewable bis-benzoxazine monomers from lignin derivatives: synthesis, characterization and studies on curing behavior. Journal of Polymer Materials, 36(1), 87-99. https://doi.org/10.32381/JPM.2019.36.01.7
Vancouver Style
LIU C, LIU Y, PAN Z, LI Q, XU H, LIU T. Renewable bis-benzoxazine monomers from lignin derivatives: synthesis, characterization and studies on curing behavior. J Polym Materials . 2019;36(1):87-99 https://doi.org/10.32381/JPM.2019.36.01.7
IEEE Style
C. LIU, Y. LIU, Z. PAN, Q. LI, H. XU, and T. LIU "Renewable Bis-benzoxazine Monomers from Lignin Derivatives: Synthesis, Characterization and Studies on Curing Behavior," J. Polym. Materials , vol. 36, no. 1, pp. 87-99. 2019. https://doi.org/10.32381/JPM.2019.36.01.7



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