Super-hydrophobic graphene oxide-azobenzene hybrids for improved hydrophobicity of polyurethane

被引：39
作者：
Karthika, M. [1 ,2 ]
Chi, Hong [1 ]
Li, Tianduo [1 ]
Wang, Hongjuan [1 ]
Thomas, Sabu [2 ]
机构：
[1] Qilu Univ Technol, Shandong Acad Sci, Sch Chem & Pharmaceut Engn, Shandong Prov Key Lab Mol Engn, Jinan 250353, Shandong, Peoples R China
[2] Mahatma Gandhi Univ, Int & Inter Univ Ctr Nanosci & Nanotechnol, Priyadarshini Hills PO, Kottayam 686560, Kerala, India
来源：
COMPOSITES PART B-ENGINEERING | 2019年 / 173卷
基金：
中国国家自然科学基金;
关键词：
Graphene; Polyurethane; Hybrids; Superhydrophobic; Enhanced stability; SUPERHYDROPHOBIC SURFACES; FABRICATION; ROBUST; COATINGS; EFFICIENT; ELECTRODE; ADHESIVE; SPONGE; FILMS;
D O I：
10.1016/j.compositesb.2019.106978
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A super-hydrophobic graphene oxide (GO)-azobenzene (Azo) hybrid material was synthesized through a covalent grafting of amide linkage. Fourier transforms infrared spectra (FTIR) and UV-visible (UV-vis) spectra confirmed the successful formation of GO-Azo hybrid material. The GO-Azo exhibited high water repellence with water contact angle of similar to 152 degrees. As a new kind of filler material, the scope GO-Azo in improving the hydrophobicity of polyurethane was investigated through contact angle measurements of polyurethane films with varying amount of GO-Azo. Mechanical and thermal studies showed improved stability and rigidity of the composite film as well at doping ratio of only 3 wt% the of the filler.
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页数：6
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