journal article·2021-06-11

Recyclable and Fluorescent Epoxy Polymer Networks from Cardanol Via Solvent-Free Epoxy-Thiol Chemistry

Yanzi Ke, Xiangyu Yang, Qian Chen, Junqi Xue, Zhijian Song, Yuehong Zhang, Samy A. Madbouly, Ying Luo, Mei Li, Qingwen Wang, Chaoqun Zhang

ACS Applied Polymer Materials· Volume 3· Issue 6
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Abstract

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.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Polymer composites and self-healing · Lignin and Wood Chemistry · biodegradable polymer synthesis and properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China

Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China

College of Animal Science, South China Agricultural University/National Engineering Research Center for Breeding Swine Industry/Guangdong Provincial Key Laboratory of Agro-Animal Genomics, Guangzhou 510642, China

Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, Guangzhou 510642, China

College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China

Behrend College, School of Engineering, Pennsylvania State University, 4701 College Drive, Erie, Pennsylvania 16563, United States

Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, No. 16 Suojin 5th Village, Nanjing 210042, P. R. China

Funding

Ministry of Science and Technology of the People's Republic of China · Key Projects of Basic Research and Applied Basic Research of the Higher Education Institutions of Guangdong Province · Guangzhou Municipal Key Laboratory of Woody Biomass Functional New Materials, South China Agricultural University · Guangdong Province

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