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Low‐temperature fast curable behavior and properties of bio‐based carbon fiber composites based on resveratrol
Author(s) -
Guo Zongwei,
Zhang Mengjie,
Zhang Yuansi,
Liu Liu,
Li Ming,
Shang Lei,
Ao Yuhui
Publication year - 2020
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.49122
Subject(s) - epoxy , materials science , composite material , curing (chemistry) , flexural strength , composite number , diglycidyl ether , vinyl ester , bisphenol a , polymer , copolymer
Abstract Environmentally friendly materials are an integral part of sustainable chemistry, and bio‐based polymer composites are an important class of materials. The manufacture of composites is expected to reduce or even eliminate the use of adjuvants, considering the importance of reducing energy consumption and avoiding health and environmental risks. In this study, a phenyl‐containing, polyfunctional, bio‐based epoxy resin (TGER) was synthesized, and carbon fiber‐reinforced, bio‐based epoxy resin composites were fabricated by vacuum‐assisted resin infusion using two aromatic amine curing agents, 4,4′‐diaminodiphenylmethane (DDM) and 3,3′‐diethyl‐4,4′‐diaminodiphenylmethane (DEDDM). Curing reactions and rheological behavior studies showed that TGER had higher curing reactivity toward DDM and DEDDM than to diglycidyl ether of bisphenol A (DGEBA) and possessed good processability. The results indicated that the resveratrol‐based epoxy resin displayed low‐temperature fast curing properties. The evaluation of the mechanical properties of the carbon fiber composites showed that the flexural strengths of CF/TGER/DDM and CF/TGER/DEDDM were 520 and 628 MPa, respectively. The initial decomposition temperature of CF/TGER composites is above 200°C. Furthermore, the carbon fiber–reinforced biopolymers possess excellent heat resistance. Therefore, carbon fiber‐reinforced, resveratrol‐based epoxy resin composites are promising candidates as alternatives to petroleum‐based high‐performance carbon fiber composites.