scholarly journals Layer-by-Layer Self-Assembly Strategy for Surface Modification of Aramid Fibers to Enhance Interfacial Adhesion to Epoxy Resin

Polymers ◽  
2018 ◽  
Vol 10 (8) ◽  
pp. 820 ◽  
Author(s):  
Zhaomin Li ◽  
Baihua Liu ◽  
Haijuan Kong ◽  
Muhuo Yu ◽  
Minglin Qin ◽  
...  
Keyword(s):  
Shear Strength ◽  
Epoxy Resin ◽  
Self Assembly ◽  
Interfacial Adhesion ◽  
Layer By Layer ◽  
Resin Composites ◽  
Aramid Fibers ◽  
Before And After ◽  
Assembly Technology ◽  
Epoxy Resin Composites

In this work, the layer-by-layer self-assembly technology was used to modify aramid fibers (AFs) to improve the interfacial adhesion to epoxy matrix. By virtue of the facile layer-by-layer self-assembly technique, poly(l-3,4-Dihydroxyphenylalanine) (l-PDOPA) was successfully coated on the surface of AFs, leading to the formation of AFs with controllable layers (nL-AF). Then, a hydroxyl functionalized silane coupling agent (KH550) was grafted on the surface of l-PDOPA coated AFs. The properties such as microstructure and surface morphology of AFs before and after modification were characterized by FTIR, XPS and FE-SEM. The results confirmed that l-PDOPA and KH550 were successfully introduced into the surface of AFs by electrostatic adsorption. The interfacial properties of AFs reinforced epoxy resin composites before and after coating were characterized by interfacial shear strength (IFSS), interlaminar shear strength (ILSS) and FE-SEM, and the results show that the interfacial adhesion properties of the modified fiber/epoxy resin composites were greatly improved.

scholarly journals Influence of Phenolic Resin Surface Treatment Agent on Interfacial Adhesion of Carbon Fibre Reinforced Epoxy Resin Composites

2007 ◽  
Vol 16 (6) ◽  
pp. 096369350701600 ◽  
Author(s):  
Chao Wang ◽  
Jing Wang ◽  
Yongan Niu
Keyword(s):  
Carbon Fibre ◽  
Surface Treatment ◽  
Epoxy Resin ◽  
Photoelectron Spectroscopy ◽  
Interfacial Adhesion ◽  
Phenolic Resin ◽  
Resin Matrix ◽  
Resin Composites ◽  
Treatment Agent ◽  
Epoxy Resin Composites

To enhance the interfacial adhesion between carbon fibre and epoxy resin matrix, phenolic resin surface treatment agent has been carried out. The influence of phenolic resin treatment agent on interfacial adhesion of carbon fibre reinforced epoxy resin composites were investigated by interlaminar shear strength, atomic force microscopy, X-ray photoelectron spectroscopy and scanning electron microscopy. The results indicated that the interfacial adhesion was improved greatly after carbon fibre treated by phenolic resin surface treatment agent.

Influence of γ-ray radiation grafting on interfacial properties of aramid fibers and epoxy resin composites

2008 ◽  
Vol 15 (6) ◽  
pp. 611-628 ◽  
Author(s):  
Yanhua Zhang ◽  
Yudong Huang ◽  
Jinmei He ◽  
Lina Wu ◽  
Zhiwei Xu
Keyword(s):  
Epoxy Resin ◽  
Interfacial Properties ◽  
Resin Composites ◽  
Radiation Grafting ◽  
Aramid Fibers ◽  
Epoxy Resin Composites ◽  
Γ Ray

An effective surface modification of UHMWPE fiber for improving the interfacial adhesion of epoxy resin composites

2020 ◽  
Vol 41 (4) ◽  
pp. 1614-1623 ◽  
Author(s):  
Shicheng Wang ◽  
Jinyang Ma ◽  
Xia Feng ◽  
Jinxue Cheng ◽  
Xiao Ma ◽  
...  
Keyword(s):  
Surface Modification ◽  
Epoxy Resin ◽  
Interfacial Adhesion ◽  
Resin Composites ◽  
Effective Surface ◽  
Uhmwpe Fiber ◽  
Epoxy Resin Composites

scholarly journals Investigation of Mechanical Properties for Basalt Fiber/Epoxy Resin Composites Modified with La

Coatings ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 666
Author(s):  
Chong Li ◽  
Haoyu Wang ◽  
Xiaolei Zhao ◽  
Yudong Fu ◽  
Xiaodong He ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Epoxy Resin ◽  
Interfacial Adhesion ◽  
Bending Strength ◽  
Basalt Fiber ◽  
Resin Matrix ◽  
Resin Composites ◽  
Basalt Fibers ◽  
The Poor ◽  
Epoxy Resin Composites

As an efficient reinforcing material in resin matric composites, the application of basalt fibers (BFs) in composites is limited by the poor interfacial adhesion between BFs and the resin matrix. In this study, to obtain the basalt fibers/epoxy resin composites with enhanced mechanical properties, the modification solution containing different concentrations of Lanthanum ions (La3+) was synthesized to modify the BFs surfaces to enhance the poor interfacial adhesion between BFs and the matrix. The morphology, the chemical structure and the chemical composition of the modified BFs surface were observed and detected by scanning electron microscopy, Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy, respectively. The results show that, after BFs were soaked in the modification solution, the more active groups (C=O, –OH, C–O, etc.) were introduced to the BFs surfaces and effectively enhanced the bond strength between BFs and the resin matrix. The obtained mechanical performances of prepared basalt fibers/epoxy resin composites showed that the tensile strength, bending strength and interlaminar shear strength (ILSS) were improved with the modified BFs, and reached to 458.7, 556.7 and 16.77 Mpa with the 0.5 wt.% La. Finally, the enhancement mechanism of the modification solution containing La element is analyzed.

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