期刊
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES
卷 28, 期 10, 页码 1079-1087出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15376494.2019.1633447
关键词
Liquid resin infusion (LRI); bio-binders; linseed flax fabric; glass fiber; natural fibers; epoxy resin; mechanical tests
类别
资金
- European commission [LIFE15 ENV/BE/000204]
By using humins as a bio-binder, the interaction between natural fibers and epoxy resin can be improved, enhancing the mechanical properties of bio-composites and accelerating their market acceptance.
In order to reduce the negative impact on the environment of the current composite materials, renewable sources have been used as raw materials. One of the most promising approaches is the substitution of the reinforcement material by natural fibers, which are usually obtained from more sustainable resources (agro-waste). However, these materials have still some limitations and drawbacks for their use in high performance applications, one of the reasons being a poor interaction between fiber and matrix. Recent studies show the possibility of improving their mechanical properties by means of the application of a third material to increase interaction between fiber and matrix. In this paper the use of humins (a by-product of the production of furandicarboxylic acid) has been proved to be an efficient bio-binder for natural fibers and epoxy resin. Bio-composites containing different loadings of humins for large parts for ground transportation applications have been produced by liquid resin infusion, validating the aforementioned approach. The results obtained have demonstrated the feasibility of the strategy of using humins for improving the mechanical properties of bio-composites, accelerating the potential for their market acceptance.
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