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首页> 外文期刊>The Journal of the Textile Institute >Protein and silver nitrate interaction during finer wool production: enhancing tensile properties along with synthesis of nano silver
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Protein and silver nitrate interaction during finer wool production: enhancing tensile properties along with synthesis of nano silver

机译：细羊毛生产过程中蛋白质和硝酸银的相互作用：增强拉伸性能以及纳米银的合成

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摘要

The simultaneous in situ synthesis of silver nanoparticles and slenderizing of wool fibers was carried out in one single step process without using external reducing agent. The functional groups of wool fibers were responsible for the reduction of silver ions into silver nanoparticles, and the possible interactions between the synthesized nanoparticles and the protein chains of wool fibers have been thoroughly discussed. According to the hypothesized mechanism, which was further proved by UV-vis absorption spectra, there is also a possibility of cross-linking formation within wool protein chains through diazotion reaction with amine groups of wool fibers. Duration of the process at the applied temperature allowed enough time for complete growth of the silver nucleus inside the protein chains, creating more cross-linking within the protein chains of wool fibers. Findings suggest the potential of the proposed method in producing fine wool fibers with enhanced tensile strength and slight color change.
机译：银纳米粒子的同时原位合成和羊毛纤维的细化是在一个步骤中完成的，无需使用外部还原剂。羊毛纤维的官能团负责将银离子还原为纳米银颗粒，并且已经详细讨论了合成的纳米颗粒与羊毛纤维的蛋白质链之间可能存在的相互作用。根据通过紫外可见吸收光谱进一步证实的假设机理，还存在通过与羊毛纤维的胺基重氮化反应在羊毛蛋白链内形成交联的可能性。在所施加的温度下，该过程的持续时间为蛋白质链内的银核的完整生长留出了足够的时间，从而在羊毛纤维的蛋白质链内产生了更多的交联。结果表明，所提出的方法在生产具有增强的抗张强度和轻微颜色变化的细羊毛纤维中具有潜力。

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