期刊
GREEN CHEMISTRY
卷 21, 期 19, 页码 5405-5413出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9gc02454a
关键词
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资金
- Zhejiang Provincial Natural Science Foundation of China (ZJNSF) [LY18E030007]
- Fundamental Research Funds of Zhejiang Sci-Tech University [2019Q084]
- National Natural Science Foundation of China [51873196]
- Key Research and Development Project of Zhejiang Province [2018C04006, 2019C01098]
- Australia Research Council Discovery Project [DP190102992]
- Australia Research Council Industrial Transformation Training Centre [IC170100032]
- Project Grants for 521 Talents Cultivation of Zhejiang Sci-Tech University
The development of environmentally benign, transparent, durable, and healable anti-fogging coating is vital for automobile windshields and food packaging in our daily production and life. The fabrication of existing anti-fogging coatings is often time-consuming in addition to potential toxicity issues. Here, we have reported a highly transparent and healable anti-fogging coating on the surface of poly(ethylene terephthalate) (PET) film by using bioderived pectin and tannic acid (TA) via a facile dip-coating method. The results show that the pectin/TA composite coating endows the PET film with excellent anti-fogging property without sacrificing the transparency of the PET films. This coating can maintain exceptional anti-fogging capabilities in both hot-vapor and cold-warm conditions. In addition, such anti-fogging coatings also exhibit good durability as the anti-fogging capability can be well-retained even after spray rinsing 5 times with high-speed water faucet. Moreover, the scratches or cuts on the coating can be completely healed within 4 minutes of triggering with water. The study provides an innovative methodology for the design of highly transparent, durable, and healable anti-fogging coatings, and offers promising value-added utilization of abundant and renewable biomass.
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