Open Access
ARTICLE
Bio-Based Hyperbranched Toughener From Tannic Acid and Its Enhanced Solvent-Free Epoxy Resin with High Performance
Jie Xu1,3, Jiayao Yang1, Peng Lin2, Xiaohuan Liu1,*, Jinjie Zhang1, Shenyuan Fu1,*, Yuxun Tang2,*
1 School of Engineering, and Zhejiang Provincial Collaborative Innovation Center for Bamboo Resources and High-Efficiency Utilization, Zhejiang A & F University, Hangzhou, 311300, China.
2 Zhonghang Monitoring Technology Research Institute Co., Ltd., Hangzhou, 310022, China.
3 Zhejiang Runyang New Material Technology Co., Ltd., Huzhou, 313105, China.
* Corresponding Authors: Xiaohuan Liu. Email: ; Shenyuan Fu. Email: ; Yuxun Tang. Email: .
(This article belongs to this Special Issue: Renewable Polymer Materials and Their Application)
Journal of Renewable Materials 2019, 7(12), 1333-1346. https://doi.org/10.32604/jrm.2019.07905
Abstract
It is essential to design economic and efficient tougheners to prepare
high-performance epoxy resin; however, this has remained a huge challenge.
Herein, an eco-friendly, low-cost, and facile-fabricated bio-based hyperbranched
toughener, carboxylic acid-functionalized tannic acid (CATA), was successfully
prepared and applicated to the preparation of solvent-free epoxy resins. The
mechanical performance, morphology, structural characterization, and thermal
characterization of toughened epoxy resin system were studied. The toughened
epoxy resin system with only 1.0wt% CATA reached the highest impact strength,
111% higher than the neat epoxy resin system. Notably, the tensile strength and
elongation at break of toughened epoxy resin systems increased moderately with
increasing CATA loading. Nonphase-separated hybrids with significant
toughening effect were obtained. Additionally, the thermal stabilities of
toughened epoxy resin systems decreased with increasing CATA loading. This
study provides an eco-friendly, cost-effective, and facile approach for the
preparation of high-performance, solvent-free epoxy resins with potential for
practical applications in sealing integrated circuits and electrical devices fields.
Keywords
Cite This Article
Xu, J., Yang, J., Lin, P., Liu, X., Zhang, J. et al. (2019). Bio-Based Hyperbranched Toughener From Tannic Acid and Its Enhanced Solvent-Free Epoxy Resin with High Performance.
Journal of Renewable Materials, 7(12), 1333–1346.
Citations