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Improvement of coating durability, interfacial adhesion and compressive strength of UHMWPE fiber/epoxy composites through plasma pre-treatment and polypyrrole coating

Jin, Xin, Wang, Wenyu, Xiao, Changfa, Lin, Tong, Bian, Lina and Hauser, Peter 2016, Improvement of coating durability, interfacial adhesion and compressive strength of UHMWPE fiber/epoxy composites through plasma pre-treatment and polypyrrole coating, Composites science and technology, vol. 128, pp. 169-175, doi: 10.1016/j.compscitech.2016.03.026.

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Title Improvement of coating durability, interfacial adhesion and compressive strength of UHMWPE fiber/epoxy composites through plasma pre-treatment and polypyrrole coating
Author(s) Jin, Xin
Wang, Wenyu
Xiao, Changfa
Lin, TongORCID iD for Lin, Tong orcid.org/0000-0002-1003-0671
Bian, Lina
Hauser, Peter
Journal name Composites science and technology
Volume number 128
Start page 169
End page 175
Total pages 7
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2016-05-18
ISSN 0266-3538
Summary Ultra-high-molecular-weight polyethylene (UHMWPE) fibers have exceptionally higher specific strength and stiffness compared with other high-performance fibers. However, the interfacial adhesion and compressive performance of UHMWPE fiber-reinforced polymer composites (FPCs) are extremely low. The challenges are to achieve load transfer at the interface between the fiber and matrix at a molecular level. Here, we show that plasma pre-treatment of UHMWPE fibers followed by coating with polypyrrole (PPy) results in an 848% improvement in the interfacial adhesion and 54% enhancement in compressive performance. This method takes advantage of a toughening mechanism observed in spider silk and collagen, which the hydrogen bond power the load transfer. The results showed that these improvements of interfacial adhesion and compressive strength were attributed to hydrogen-bonding interactions between the plasma pre-treated UHMWPE and PPy, which improves the fiber-matrix-fiber load transfer process. In addition, the hydrogen-bonded PPy coatings also endowed durability electrical conductivity properties of the UHMWPE fiber.
Language eng
DOI 10.1016/j.compscitech.2016.03.026
Field of Research 091205 Functional Materials
091209 Polymers and Plastics
09 Engineering
Socio Economic Objective 860406 Synthetic Fibres
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30084132

Document type: Journal Article
Collection: Institute for Frontier Materials
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