期刊
POLYMER TESTING
卷 55, 期 -, 页码 17-24出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.polymertesting.2016.08.007
关键词
Elastomer; Polymer (textile) fibres; Mechanical testing; Silk natural rubber composites
资金
- EXPERTS4Asia (Erasmus Mundus)
- Oxford Silk Group at University of Oxford
- Thailand Research Fund [TRF RDC5850004]
- Kasetsart University (Thailand)
- US Air Force Office for Scientific Research (AFOSR Grant) [F49620-03-1-0111]
- European Research Council Advanced Grant [SP2-GA-2008-233409]
The reinforcement of natural rubber (NR) with particles and fibres enables their use in even high performance applications, such as in road-racing bicycle tire casings. Here, for the first time, we examine the potential of silk textiles as reinforcements in NR to produce a fully-green, flexible yet strengthened elastomeric composite material. Various material properties were evaluated and compared with similar nylon textile reinforced NR composites. Two types of NR were used: whole and purified natural rubbers. The composite samples were prepared by sandwiching a single layer of textile between layers of NR. NR/silk composites exhibited higher static and dynamic mechanical properties than NR/nylon composites. In addition, silk textiles in whole NR composites performed significantly better than purified NR composites, due to stronger fibre/matrix adhesion and better wettability in the former, as indicated by surface energy measurements and scanning electron microscopy micrographs. Such bio-based natural rubber/silk composites might find interesting applications in soft robotics and as flexible, inflatable tubes. (C) 2016 Elsevier Ltd. All rights reserved.
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