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- 저자 : Que Kong (검색결과 3 건)
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Functionalization of PET fabric via silicone based organic–inorganic hybrid coating
Que Kong,Zhiguang Li,Zuoliang Zhang,Xuehong Ren 한국공업화학회 2020 Journal of Industrial and Engineering Chemistry Vol.83 No.-
In this paper, silica dioxide nanoparticles (SiO2) were synthesized and functionalized with noctadecyltriethoxysilane(OD) through a modified Stöber method for the preparation of organic–inorganic hybrid micro-nanoparticles. Organic–inorganic hybrid micro-nanoparticles were applied ontothe polyester (PET) fabric via a conventional “dipping–drying” process for thefluoro-free water-repellenttextile materials. The coated PET fabric surface showed micro/nano-structures and exhibitedhydrophobic behavior with water contact angle of 141 . The surface morphologies, surface chemicalcomposition and contact angles of the coated fabrics surface were measured. Furthermore, the dynamichydrophobic behavior of water droplet impact on the fabric was investigated. By analyzing the energychange, D(t)/D0 value and H(t)/D0 value during water droplet impact were measured. The water dropletshowed an obvious effect of the dynamic rebound behavior on the coated fabric surface, furtherconfirming that the coated PET fabric had hydrophobicity. After the rubbing and washing durability,mechanical and chemical stability treatment, the coated PET fabrics still maintained high hydrophobicityand displayed good water-repellent durability. Last but not least, PET hydrophobic fabrics exhibitedexcellent self-cleaning properties with dyes on the fabric surface.
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Tannin–Thioctic Acid Network Hydrogels with Antibacterial and Hydrophobic Properties
Xinyi Hu,Que Kong,Rong Li,Change Zhou,Zhiguang Li 한국섬유공학회 2023 Fibers and polymers Vol.24 No.10
Making a multifunctional hydrogel-based wound dressing is a long-term research goal. Therefore, it is of great significance to develop an ideal wound dressing with desirable biocompatibility, adhesive property, antibacterial property and simple production. Herein, molecular network crosslinking hydrogels were achieved through the nucleophilic addition of polyphenol-sulfur radical using tannic acid and thioctic acid as matrix. The multifunctional tannic–thioctic acid (TATA) hydrogels with excellent rheological properties were prepared by further modification of antibacterial and hydrophobic properties. The successful cross-linking of the molecules was confirmed by infrared spectroscopy, Raman spectroscopy and energy dispersive X-ray spectroscopy (EDX). Complex hydrogels had certain hydrophobic properties, which can slowly absorb wound tissue fluid and keep the wetness of the wound. In addition, the hydrogel had good rheological, antibacterial and antioxidant properties, and also improved blood clotting effect and biocompatibility. These results indicated that TATA hydrogel had the potential prospect to be used as a novel wound dressing for a wide range of medical applications.
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