Issue 49, 2022, Issue in Progress
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RSC Advances

Renewable green reactive diluent for bisphenol a epoxy resin system: curing kinetics and properties

Jingyu Li, ORCID logo ab   Haichao Zhao ORCID logo *c  and  Guoxin Sui ORCID logo *ab  

* Corresponding authors

a Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
E-mail: gxsui@imr.ac.cn

b School of Materials Science and Engineering, University of Science and Technology of China, Hefei 230000, China

c Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, P. R. China
E-mail: zhaohaichao@nimte.ac.cn

Abstract

Hydrosilylation epoxidized eugenol (HSI-EP-EU) is successfully synthesized and used as a reactive diluent for epoxy/anhydride (marked as P) and epoxy/imidazole (marked as I) curing systems. The reactive bio-based diluent HSI-EP-EU has an excellent dilution effect on petroleum-based epoxy resin (E44). The curing kinetics of P + HSI-EP-EU and I + HSI-EP-EU are studied by a non-isothermal DSC method. The kinetics parameters are calculated by using the Kissinger model, Crnae model, Ozawa model and β-T (temperature-heating speed) extrapolation, respectively, to determine theoretically reasonable curing conditions. In addition, the effects of HSI-EP-EU on the antibacterial properties, thermo-mechanical properties and thermal stability of P + HSI-EP-EU and I + HSI-EP-EU systems are also studied. It is found that HSI-EP-EU possessed obvious antibacterial properties and could effectively improve the mechanical properties for the I + HSI-EP-EU.

Graphical abstract: Renewable green reactive diluent for bisphenol a epoxy resin system: curing kinetics and properties

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Article information

DOI
https://doi.org/10.1039/D2RA05160E
Article type
Paper
Submitted
17 Aug 2022
Accepted
24 Oct 2022
First published
07 Nov 2022
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2022,12, 31699-31710

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Renewable green reactive diluent for bisphenol a epoxy resin system: curing kinetics and properties

J. Li, H. Zhao and G. Sui, RSC Adv., 2022, 12, 31699 DOI: 10.1039/D2RA05160E

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