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| Preparation and Characterization of Reactive Superhydrophobic Surface Based on Cellulose-derived Micro/Nanoparticle |
| Received:October 09, 2019 |
| DOI：10.11981/j.issn.1000-6842.2020.02.23 |
| Key Words:microcrystalline cellulose;long-chain acyl chloride;micro/nanoparticle;superhydrophobicity;reactivity |
| Fund Project:广西青年科学基金项目（2018GXNSFBA138027）；广西高校中青年教师基础能力提升项目（2018KY0023）；广西大学广西清洁化制浆造纸与污染控制重点实验室开放基金项目（ZR201804-7）；广西大学科研基金项目（学术骨干项目）（XGZ170232）。 |
| Author Name | Affiliation | Postcode | | ZAHNG Song | School of Light Industry and Food Engineering, Guangxi University, Nanning, Guangxi Zhuang Autonomous Region, 530004
Guangxi Key Laboratory of Clean Pulp ＆ Papermaking and Pollution Control, Nanning, Guangxi Zhuang Autonomous Region, 530004 | 530004 | | LI Wei | School of Light Industry and Food Engineering, Guangxi University, Nanning, Guangxi Zhuang Autonomous Region, 530004
Guangxi Key Laboratory of Clean Pulp ＆ Papermaking and Pollution Control, Nanning, Guangxi Zhuang Autonomous Region, 530004 | 530004 | | YANG Yu | School of Light Industry and Food Engineering, Guangxi University, Nanning, Guangxi Zhuang Autonomous Region, 530004
Guangxi Key Laboratory of Clean Pulp ＆ Papermaking and Pollution Control, Nanning, Guangxi Zhuang Autonomous Region, 530004 | 530004 | | LIANG Tianhao | School of Light Industry and Food Engineering, Guangxi University, Nanning, Guangxi Zhuang Autonomous Region, 530004
Guangxi Key Laboratory of Clean Pulp ＆ Papermaking and Pollution Control, Nanning, Guangxi Zhuang Autonomous Region, 530004 | 530004 | | LI Huiling | School of Light Industry and Food Engineering, Guangxi University, Nanning, Guangxi Zhuang Autonomous Region, 530004
Guangxi Key Laboratory of Clean Pulp ＆ Papermaking and Pollution Control, Nanning, Guangxi Zhuang Autonomous Region, 530004 | 530004 | | ZHANG Huimin | School of Light Industry and Food Engineering, Guangxi University, Nanning, Guangxi Zhuang Autonomous Region, 530004
Guangxi Key Laboratory of Clean Pulp ＆ Papermaking and Pollution Control, Nanning, Guangxi Zhuang Autonomous Region, 530004 | 530004 | | LI Zerong | School of Light Industry and Food Engineering, Guangxi University, Nanning, Guangxi Zhuang Autonomous Region, 530004
Guangxi Key Laboratory of Clean Pulp ＆ Papermaking and Pollution Control, Nanning, Guangxi Zhuang Autonomous Region, 530004 | 530004 | | WANG Shuangfei | School of Light Industry and Food Engineering, Guangxi University, Nanning, Guangxi Zhuang Autonomous Region, 530004
Guangxi Key Laboratory of Clean Pulp ＆ Papermaking and Pollution Control, Nanning, Guangxi Zhuang Autonomous Region, 530004 | 530004 |
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| Abstract: |
| Using microcrystalline cellulose as raw material, cellulose stearoyl ester/10-undecyl ester (CSU) compound was synthesized by nucleophilic substitution, and the derived CSU micro/nanoparticles were prepared by nanoprecipitation. By spray-coating of the resulting micro/nanoparticles on the surface of silicon wafer which was impregnated with CSU solution, a reactive superhydrophobic surface was obtained. The nuclear magnetic resonance spectrometer (NMR), Fourier transform infrared spectrometer (FT-IR), Zeta potential analyzer (DLS), scanning electron microscope (SEM), and thiol-ene click chemical reaction system were used to characterize CSU and the superhydrophobic surface coated with CSU. The superhydrophobic mechanism, thermal stability and reactivity of this surface were mainly investigated. Results showed that the average diameter of CSU micro/nanoparticles was about (149±3) nm, the polydispersity index (PDI) was 0.132; the contact angle of the generated superhydrophobic surface was (153±1)°, and the sliding angle was 7°; its superhydrophobicity was unstable when temperature was above 40℃, and it could be further functionalized by the photoclick thiol-ene reaction. |
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