期刊
COMPOSITES PART B-ENGINEERING
卷 172, 期 -, 页码 290-298出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2019.04.046
关键词
Bio-inspired foam composite; Pomelo peel; Spacer fabric; Energy absorption
资金
- Natural Science Foundation of Tianjin [18JCQNJC03400]
- National Natural Science Foundation of China [51503145, 11702187]
- Natural Science Foundation of Fujian [2018J01504, 2018J01505]
- Open Project Program of Fujian Key Laboratory of Novel Functional Fibers and Materials (Minjiang University), China [FKLTFM1722]
- Opening Project of Green Dyeing and Finishing Engineering Research Center of Fujian University [2017001B, 2017002B, 2017001A]
Inspired by pomelo peel, this study proposes bioinspired foam composites, which are prepared by one-step foaming and a combination of different fabric structures. The bioinspired composites are evaluated in terms of compression resistance, bursting strength and cushioning efficacy, thereby examining the influential mechanisms of fabric structures. The experimental results indicate that the bio-inspired composites have superior functions due to the reinforcement of a nylon fabric as well as high stiffness and energy absorption of polyurethane -based small-mesh-size spacer fabrics. The bioinspired foam composites have maximum compression resistance is 131 kPa with a corresponding strain of 60%, which is 245% greater than the control group. The deformation-absorption energy of bioinspired foam composites is 2.3 J, which is 78% greater than that of pomelo peel. The maximum bursting strength of bioinspired foam composites is 3370 N, which is two and twenty times that of the control group and pomelo peel, respectively. Compared to spacer fabrics at 0 degrees lamination, spacer fabrics at 90 degrees lamination has a positive influence on the bursting strength but a negative influence on compressive strength of bioinspired foam composites. Bioinspired foam composites have a peak contact force that is 45.1% lower than that of the control group, which suggests remarkable improvement in energy absorption. The resultant bioinspired composites are expected to be used as packaging and personal protective materials for commercial applications in the future.
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