Full Text:   <444>

Summary:  <145>

CLC number: TQ31

On-line Access: 2019-06-04

Received: 2019-05-14

Revision Accepted: 2019-07-29

Crosschecked: 2019-08-06

Cited: 0

Clicked: 1702

Citations:  Bibtex RefMan EndNote GB/T7714

 ORCID:

Gui-jun Xian

https://orcid.org/0000-0002-8540-2580

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Journal of Zhejiang University SCIENCE A 2019 Vol.20 No.9 P.660-674

http://doi.org/10.1631/jzus.A1900186


Grafting of nano-silica onto ramie fiber for enhanced mechanical and interfacial properties of ramie/epoxy composite


Author(s):  Anna Dilfi K. F., Zi-jin Che, Gui-jun Xian

Affiliation(s):  Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China; more

Corresponding email(s):   gjxian@hit.edu.cn

Key Words:  Nano-silica, Sodium dodecyl sulfate (SDS), Silane coupling agent, Ramie fiber, Mechanical properties, Interfacial properties


Anna Dilfi K. F. , Zi-jin Che, Gui-jun Xian. Grafting of nano-silica onto ramie fiber for enhanced mechanical and interfacial properties of ramie/epoxy composite[J]. Journal of Zhejiang University Science A, 2019, 20(9): 660-674.

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author="Anna Dilfi K. F. , Zi-jin Che, Gui-jun Xian",
journal="Journal of Zhejiang University Science A",
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pages="660-674",
year="2019",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1900186"
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%T Grafting of nano-silica onto ramie fiber for enhanced mechanical and interfacial properties of ramie/epoxy composite
%A Anna Dilfi K. F.
%A Zi-jin Che
%A Gui-jun Xian
%J Journal of Zhejiang University SCIENCE A
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%@ 1673-565X
%D 2019
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1900186

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T1 - Grafting of nano-silica onto ramie fiber for enhanced mechanical and interfacial properties of ramie/epoxy composite
A1 - Anna Dilfi K. F.
A1 - Zi-jin Che
A1 - Gui-jun Xian
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SP - 660
EP - 674
%@ 1673-565X
Y1 - 2019
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A1900186


Abstract: 
To enhance the bonding properties between ramie fiber and epoxy resin, the ramie fiber was modified using nano-silica grafting. Hydrophilic nano-silica treated with water-soluble sodium dodecyl sulfate (SDS) and organic silane coupling agents was grafted onto the surface of ramie fiber. The surface roughness of the fibers was considerably increased after grafting. The nano-silica particles on the fiber surface enhanced the mechanical and thermal properties of the fiber-epoxy composite plates. Based on an analysis of contact angle measurements and a water absorption study, it was determined that the hydrophilicity of the treated fiber was weakened.

The authors present an interesting approach to improve properties of natural fiber composites by incorporating nanosilica on the fiber surface. They present a method to weaken the hydrophilicity of the nanosilica grafted fiber. The paper is very interesting, with enough novel data and well written.

苎麻表面接枝改性及其对苎麻纤维增强环氧复合材料力学性能与界面性能的影响研究

目的:通过在苎麻纤维表面接枝纳米二氧化硅颗粒,改善苎麻纤维与环氧树脂的界面粘结性能,从而提升苎麻纤维增强环氧树脂复合材料的力学性能.
创新点:将纳米二氧化硅颗粒接枝到苎麻纤维表面,从而大幅提升苎麻纤维与环氧树脂的界面粘结性能与复合材料的力学性能.
方法:利用十二烷基硫酸钠均匀分散二氧化硅纳米粒子,并在硅烷偶联剂作用下,将二氧化硅纳米粒子接枝到苎麻纤维表面.
结论:纳米二氧化硅接枝到苎麻纤维表面大幅提升了纤维表面粗糙度,降低了纤维亲水性能,升高了纤维与环氧树脂的界面粘度,从而改善了复合材料的力学性能.

关键词:纳米二氧化硅; 十二烷基硫酸; 硅烷偶联剂; 苎麻纤维; 力学性能; 界面性能

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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