Improving the flame retardant and antibacterial performance of polyester/cotton blend fabrics with organic-inorganic hybrid coating
writer：Yufan Yang , Xingguo Wang , Xianwei Cheng , Hongfei Li , Xiaoyu Gu , Jun Sun , Sheng Zhang
keywords：Polyester/cotton blend fabrics，F(xiàn)lame retardant，Antibacterial property，Hybrid coating
source：期刊
Issue time：2022年
In this work, an organic-inorganic hybrid coating was used to improve the fire safety and antibacterial property of polyester/cotton blend fabrics. The hybrid coating was constructed by two steps, including the in-situ growth of zirconium phosphate nanosheets, and the preparation of polyelectrolyte complex with phytic acid and poly(hexamethylene guanidine hydrochloride) via spraying method. The flame retardancy and antibacterial activity of treated fabrics were completely investigated. A self-extinguishing behavior was observed in vertical burning test and the damaged length was only 5.4 cm. The LOI value of treated fabrics was increased from 19.0% of pristine fabrics to 27.8%, and the peak heat release rate and total heat release were decreased by 42% and 27%, respectively. Besides, thermogravimetric analysis revealed that the char residue increased from 8.3% to 26.3% at 800 °C, confirming a great char-forming ability of coated fabrics. Tensile strength test indicates that the introduction of coating had no seriously damage to the mechanical properties of fabric. Moreover, an excellent antibacterial property of treated fabrics was proved by using agar diffusion method. This research provides an environmentally friendly path for the flame retardant and antibacterial modification of polyester/cotton blend fabrics.
在這項工作中，使用有機-無機雜化涂層來提高滌棉混紡織物的防火安全性和抗菌性。該雜化涂層由磷酸鋯納米片原位生長和噴涂法制備植酸和聚(六亞甲基胍鹽酸鹽)聚電解質(zhì)復合物兩步構(gòu)成。對處理過的織物的阻燃性和抗菌性進行了全面研究。在垂直燃燒試驗中觀察到自熄行為，損壞長度僅為5.4 cm。經(jīng)處理織物的LOI值從原始織物的19.0%提高到27.8%，峰值放熱率和總放熱量分別下降42%和27%。除了，熱重分析表明，在 800°C 時，焦炭殘留量從 8.3% 增加到 26.3%，證實了涂層織物具有很強的成炭能力。拉伸強度試驗表明，涂層的引入對織物的力學性能沒有嚴重損害。此外，使用瓊脂擴散法證明了處理過的織物具有優(yōu)異的抗菌性能。該研究為滌棉混紡織物的阻燃抗菌改性提供了一條環(huán)保途徑。使用瓊脂擴散法證明了處理過的織物具有優(yōu)異的抗菌性能。該研究為滌棉混紡織物的阻燃抗菌改性提供了一條環(huán)保途徑。使用瓊脂擴散法證明了處理過的織物具有優(yōu)異的抗菌性能。該研究為滌棉混紡織物的阻燃抗菌改性提供了一條環(huán)保途徑。