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Synthesis and properties of a novel highly thermal stable N-propargyl monomer containing benzoxazole ring

Yang, Guang; Wang, Chengbo; Liu, Chao; Yang, Zhiyong; Hou, Xianghui

Authors

Guang Yang

Chengbo Wang

Chao Liu

Zhiyong Yang

Xianghui Hou



Abstract

© 2017, © The Author(s) 2017. A novel highly thermal stable propargyl functional compound containing benzoxazole ring, N, N, N′, N′-tetra propargyl-5-amino-2-(p-aminophenyl) benzoxazole (TPAPB), was proposed and synthesized using a phase-transfer catalytic method. The cure behavior of TPAPB was investigated by non-isothermal differential scanning calorimetry analysis. The solubility and rheological properties of TPAPB, as well as its broad temperature window from 130°C to 200°C with low viscosity, offered excellent processability for TPAPB to be used as a potential monomer of thermosetting polymer resin. It was found that the glass transition temperature of cured TPAPB was 359°C, and the temperature of 5% weight loss was 418°C in argon with the char residue up to 70% at 700°C. The polymerized resin exhibited high heat resistance and thermal stability, together with its processability, making it good candidate as highly heat-resistant polymer matrix for advanced composite applications.

Citation

Yang, G., Wang, C., Liu, C., Yang, Z., & Hou, X. (2018). Synthesis and properties of a novel highly thermal stable N-propargyl monomer containing benzoxazole ring. High Performance Polymers, 30(2), 239-246. https://doi.org/10.1177/0954008317690432

Journal Article Type Article
Acceptance Date Dec 30, 2016
Online Publication Date Feb 6, 2017
Publication Date Mar 1, 2018
Deposit Date Jun 7, 2017
Publicly Available Date Mar 28, 2024
Journal High Performance Polymers
Print ISSN 0954-0083
Electronic ISSN 1361-6412
Publisher SAGE Publications
Peer Reviewed Peer Reviewed
Volume 30
Issue 2
Pages 239-246
DOI https://doi.org/10.1177/0954008317690432
Keywords Propargyl, benzoxazole, thermal stability, phase-transfer catalysis, purification
Public URL https://nottingham-repository.worktribe.com/output/776899
Publisher URL http://journals.sagepub.com/doi/10.1177/0954008317690432

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