High mechanical reinforcing efficiency of layered poly(vinyl alcohol) - graphene oxide nanocomposites

被引：22
|
作者：
Sellam, Charline [1 ]
Zhai, Zhi [1 ]
Zahabi, Hediyeh [1 ]
Picot, Olivier T. [1 ]
Deng, Hua [2 ]
Fu, Qiang [2 ]
Bilotti, Emiliano [1 ]
Peijs, Ton [1 ]
机构：
[1] Queen Mary Univ London, Sch Engn & Mat Sci, Mile End Rd, London E1 4NS, England
[2] Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Sichuan, Peoples R China
来源：
NANOCOMPOSITES | 2015年 / 1卷 / 02期
关键词：
Layer-by-layer; spray; nanocomposites; PVA; graphene oxide; hierarchical composites;
D O I：
10.1179/2055033215Y.0000000001
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A bottom-up approach for producing poly(vinyl alcohol) (PVA)/graphene oxide (GO) nanocomposites using a spray-assisted layer-by-layer (LbL) method is presented. Simple and versatile, the process allows to build up uniform multi-layered nanocomposite films with good morphological control of each layer. A total of 150 bilayers were deposited to create a transparent film with improved mechanical properties at a loading of 5.4 wt% GO. The Young's modulus and tensile strength of these films nearly doubled as a result of the high level of structural organization of the nanocomposite incorporating the two-dimensional (2D) nanofiller, in combination with good interfacial interactions resulting from hydrogen bonding between PVA and the GO sheets.
引用
收藏
页码：89 / 95
页数：7
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