可持续的皮革成品保存

IF 0.6 4区 工程技术 Q4 CHEMISTRY, APPLIED
Ruby Shekinah, S. Kailasam, Sujata Mandal, S. Kanth
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引用次数: 0

摘要

本文的第一部分介绍了用于成品革防腐的麝香草醛封端纳米铜粒子的绿色合成。在本研究的第二部分中,采用绿色合成法,以荆条(单宁)提取物作为还原剂,合成了纳米铜粒子(CuNPs)。绿色合成法是合成金属纳米粒子的首选方法,因为它既环保又具有成本效益,可用于保存成品皮革。为了提高不同类型涂饰皮革的抗菌质量,在树脂涂饰皮革上涂覆了合成的荆条纳米铜粒子(W-CuNPs)。在覆层过程中,荆条的化学成分会诱导 Cu2+ 离子还原成 CuNPs,并在覆层过程中起到稳定剂的作用。W-CuNPs 的形成经紫外光谱(吸光度为 467 纳米)确认。傅里叶变换红外光谱(FT-IR)分析了已确定的官能团,如 -OH、C=C 和 C-N,它们是铜纳米粒子还原和稳定的原因。扫描电子显微镜(SEM)确定了纳米颗粒的球形,而能量色散 X 射线(EDX)研究则证实了 65% 的铜存在。W-CuNPs 的平均粒径为 96 nm。Zeta 电位值为 -24 mv,这证实了 W-CuNPs 的稳定性。在涂有 W-CuNPs 的成品革上,对革兰氏阳性菌(枯草杆菌)的最大抑菌区为 12 毫米,对革兰氏阴性菌(肉豆蔻沙雷氏菌)的最大抑菌区为 11 毫米,显示出很强的抗菌活性。因此,用荆条提取物合成的 CuNPs 具有作为抗菌剂保存皮革成品及其制品的潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Sustainable Finished Leather Preservation
Part 1 of the current paper described the green synthesis of myrobalan capped copper nanoparticles for the preservation of the finished leather. In Part II of the current study, Copper Nanoparticles (CuNPs) were synthesized using green synthesis with wattle (tannin) extract as a reducing agent. Green synthesis is the preferred approach for the synthesis of metal nanoparticles due to its eco-friendly and cost-effectiveness for the preservation of finished leather. To improve the antibacterial qualities of leather with different types of finishes, the resin finished leather was coated with synthesized wattle copper nanoparticles (W-CuNPs). The chemical constituents of wattle induce the reduction of Cu2+ ions to CuNPs with the capping process and also remain as a stabilizing agent for the capping process. The formation of W-CuNPs was confirmed by UV-Spectroscopy at an absorbance of 467 nm. The identified functional groups such as -OH, C=C, and C-N were analyzed by Fourier transform infrared spectrum (FT-IR) which are responsible for the reduction and stabilization of copper nanoparticles. The spherical shape of the nanoparticles was ascertained by Scanning Electron Microscope (SEM), whereas Energy dispersive X-ray (EDX) studies confirmed the presence of copper with 65%. The average particle size of W-CuNPs was found to be 96 nm. The zeta potential value of -24 mv affirmed the stability of the W-CuNPs. The maximum zone of inhibition was 12 mm against Gram-positive (Bacillus subtilis) and 11 mm against Gram-negative (Serratia marcescens) bacteria on W-CuNPs coated finished leather, which exhibits strong antimicrobial activity. Hence, CuNPs synthesized by wattle extract have the potential to preserve the finished leather and its products as an antibacterial agent.
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来源期刊
Journal of The American Leather Chemists Association
Journal of The American Leather Chemists Association 工程技术-材料科学:纺织
CiteScore
1.30
自引率
33.30%
发文量
29
审稿时长
3 months
期刊介绍: The Journal of the American Leather Chemists Association publishes manuscripts on all aspects of leather science, engineering, technology, and economics, and will consider related subjects that address concerns of the industry. Examples: hide/skin quality or utilization, leather production methods/equipment, tanning materials/leather chemicals, new and improved leathers, collagen studies, leather by-products, impacts of changes in leather products industries, process efficiency, sustainability, regulatory, safety, environmental, tannery waste management and industry economics.
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