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RISS 인기검색어
- 검색키워드
- 저자 : Feiya Fu (검색결과 5 건)
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Qingbo Xu,Panpan Duan,Yanyan Zhang,Feiya Fu,Xiangdong Liu 한국섬유공학회 2018 Fibers and polymers Vol.19 No.11
In this work, we developed a new method that can achieve immobilization and protection of the Cu NPs coating on the cotton fabrics by a simple two-step impregnation method. Firstly, L-cysteine (Cys) was grafted onto cotton fabric via esterification with the hydroxyl groups of cellulose, then Cu NPs were introduced on the fabric surface in the presence of a protective reagent, citric acid. Due to the doubled stabilization acts of Cys and citric acid, the Cu NPs immobilized on the fabric surface showed an excellent antibacterial effect and outstanding laundering durability. As a result, the mean size of the Cu NPs coating on the cotton fabric is about 62.4 nm, and the modified cotton fabrics showed satisfactory antibacterial ability against both S. aureus and E. coli, which the bacterial reduction rates are all higher than 98 % even withstand 50 washing cycles. Therefore, this method to prepare antibacterial cotton fabrics showed great potential applications in socks, cosmetic, and medical textiles.
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Qingbo Xu,Xiating Ke,Yanyan Zhang,Feiya Fu,Xiangdong Liu 한국섬유공학회 2018 Fibers and polymers Vol.19 No.11
In this study, durable antibacterial cotton fabrics were prepared by a simple two-step impregnation method. Firstly, thioglycolic acid (TGA) was grafted onto cotton fabric via esterification with the hydroxyl groups of cellulose, then silver nanoparticles (Ag NPs) were immobilized on the cotton fabric surface via coordination bonds with the TGA thiol groups. As a result, the mean size of Ag NPs coating on the cotton fabric is around 74 nm, and these functionalized cotton fabrics show superior antibacterial properties and excellent laundering durability. After withstand 50 laundering cycles, the obtained cotton fabrics still showed outstanding bacterial reduction rates (BR) against both S. aureus and E. coli, and the rates are all higher than 97 %. Therefore, this method to prepare antibacterial cotton fabric shows great potential applications in socks, cosmetic, and medical textiles.
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Preparation of Copper Nanoparticles Coated Cotton Fabrics with Durable Antibacterial Properties
Qingbo Xu,Xiating Ke,Naiqin Ge,Liwen Shen,Yanyan Zhang,Feiya Fu,Xiangdong Liu 한국섬유공학회 2018 Fibers and polymers Vol.19 No.5
When copper nanoparticles (Cu NPs) were applied as an antimicrobial agent to finish cotton fabrics, there are two issues should be solved: the oxidization and the weak adsorbability onto cotton fiber surface. In the present work, we developed a new method that can achieve both immobilization and protection of the Cu NPs at the same time. As an effective binder, thioglycolic acid (TGA) was covalently linked to cotton fiber surface via an esterification with the hydroxyl groups of cellulose, then Cu NPs were introduced on the fabric surface in the presence of a protective reagent, citric acid. Due to the doubled stabilization acts of TGA and citric acid, the Cu NPs immobilized on the fabric surface showed an excellent antibacterial effect and outstanding laundering durability. Even after 50 consecutive laundering tests, the modified cotton fabrics still showed satisfactory antibacterial ability against both S. aureus and E. coli, which the bacterial reduction rates are all higher than 96 %. It is believed that this methodology has potential applications in a wide variety of textile productions such as sportswear, socks, and medical textiles.
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Lin Li,Panpan Duan,Qingbo Xu,XuJun Zhang,JiaNing Chen,Feiya Fu,HongYan Diao,Xiangdong Liu 한국섬유공학회 2020 Fibers and polymers Vol.21 No.9
Aiming to a durably antibacterial function, stable immobilization of silver nanoparticles (Ag NPs) on cottontextiles still represents challenging in textile industry. In the present work, by grafting oligomeric polyacrylic acid (PAA) ontocotton fiber surfaces, we effectively prepared the Ag NPs with controllable size on the fiber surface, which are of average sizeof 16.43 nm, and therefore achieved a desirable antibacterial durability. The oligomer PAA binder can give the modifiedfabrics with a remarkable antibacterial durability against washing, as the bacterial reduction rates against bothStaphylococcus aureus and Escherichia coli remained over 90 % even after 50 laundering cycles. Moreover, this graft toapproach using oligomeric PAA shows merits in maintaining the desired cotton properties such as flexibility, waterabsorptivity and vapor permeability. Finally, this finishing process ensures a reliable safety for human skin.
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Panpan Duan,Qingbo Xu,Shuyang Shen,Yanyan Zhang,Lei Zhang,Feiya Fu,Xiangdong Liu 한국섬유공학회 2019 Fibers and polymers Vol.20 No.9
We presented a one-pot approach for fabrication of antibacterial cotton fabric using an emulsion of silvernanoparticles (Ag NPs) protected by mercaptosuccinic acid (MSA). The emulsion was used to finish cotton fabrics via a paddry-cure process, making the MSA molecules covalently linked to the cotton fibers by ester linkages with the hydroxylgroups of cellulose. The coordination bonds between the MSA molecules and the Ag NPs provide stable and durable effecton the immobilization of the Ag NPs on the cotton fabric, endowing its antibacterial function with an outstanding launderingdurability. Even experienced 50 consecutive laundering tests, the modified cotton fabric exhibits satisfactory bacterialreduction rates against both Staphylococcus aureus and Escherichia coli. This paper provides a simple fabricationmethodology to mitigate the safety risk and environmental impact that are typically found in the antimicrobial cotton textilesbased on Ag NPs.
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