TY - JOUR
T1 - Recyclable and Fluorescent Epoxy Polymer Networks from Cardanol Via Solvent-Free Epoxy-Thiol Chemistry
AU - Ke, Yanzi
AU - Yang, Xiangyu
AU - Chen, Qian
AU - Xue, Junqi
AU - Song, Zhijian
AU - Zhang, Yuehong
AU - Madbouly, Samy A.
AU - Luo, Ying
AU - Li, Mei
AU - Wang, Qingwen
AU - Zhang, Chaoqun
N1 - Funding Information:
This work was sponsored by the National Key Research and Development Program of China (2019YFD1101202 and 2019YFD1101203), Guangdong Province Science & Technology Program (2018B030306016), Guangdong Provincial Innovation Team for General Key Technologies in Modern Agricultural Industry (2019KJ133), Key Projects of Basic Research and Applied Basic Research of the Higher Education Institutions of Guangdong Province (2018KZDXM014), and Guangzhou Municipal Key Laboratory of Woody Biomass Functional New Materials (201905010005).
Publisher Copyright:
© 2021 American Chemical Society.
PY - 2021/6/11
Y1 - 2021/6/11
N2 - The development of multifunctional polymeric materials from renewable resources is of foremost significance from a sustainable development perspective. In this work, a biobased epoxy monomer (EHCPP) with hard core structures and multi-arms was prepared from cardanol with hexachlorocyclotriphosphazene, followed by epoxidation with m-chloroperoxybenzoic acid (m-CPBA). Then, the epoxy polymer networks were prepared via the curing process of EHCPP with four thiol monomers of different thiol groups. The mechanical and thermomechanical properties, thermal stability, solvent resistance, recyclability characteristics, and optical behavior of the cardanol-based epoxy resins were systematically investigated. The results showed that four epoxy resins (EHCPP-2SH, EHCPP-3SH, EHCPP-4SH, and EHCPP-BDB) not only exhibited excellent solvent resistance in 10 wt % aqueous solutions of NaOH, HCl, and NaCl but also showed intrinsic fluorescence, while only the EHCPP-BDB epoxy resin showed phosphorescence behavior. Recyclability was observed in the EHCPP-BDB polymer network due to the presence of dynamic reversible boron ester bonds. These cardanol-based epoxy-thiol polymer networks open a pathway to explore potential biomass resources for high-performance multifunctional materials as a replacement for petroleum-based thermosets in various industrial applications.
AB - The development of multifunctional polymeric materials from renewable resources is of foremost significance from a sustainable development perspective. In this work, a biobased epoxy monomer (EHCPP) with hard core structures and multi-arms was prepared from cardanol with hexachlorocyclotriphosphazene, followed by epoxidation with m-chloroperoxybenzoic acid (m-CPBA). Then, the epoxy polymer networks were prepared via the curing process of EHCPP with four thiol monomers of different thiol groups. The mechanical and thermomechanical properties, thermal stability, solvent resistance, recyclability characteristics, and optical behavior of the cardanol-based epoxy resins were systematically investigated. The results showed that four epoxy resins (EHCPP-2SH, EHCPP-3SH, EHCPP-4SH, and EHCPP-BDB) not only exhibited excellent solvent resistance in 10 wt % aqueous solutions of NaOH, HCl, and NaCl but also showed intrinsic fluorescence, while only the EHCPP-BDB epoxy resin showed phosphorescence behavior. Recyclability was observed in the EHCPP-BDB polymer network due to the presence of dynamic reversible boron ester bonds. These cardanol-based epoxy-thiol polymer networks open a pathway to explore potential biomass resources for high-performance multifunctional materials as a replacement for petroleum-based thermosets in various industrial applications.
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U2 - 10.1021/acsapm.1c00284
DO - 10.1021/acsapm.1c00284
M3 - Article
AN - SCOPUS:85106473019
SN - 2637-6105
VL - 3
SP - 3082
EP - 3092
JO - ACS Applied Polymer Materials
JF - ACS Applied Polymer Materials
IS - 6
ER -
