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Research on the influence of yarn parameters on the ultraviolet protection of yarns

机译：纱线参数对纱线防紫外线影响的研究

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摘要

Considering both the yarn parameters and the light interaction (reflectance and transmittance) between two adjacent yarns, an optical model was presented to understand the ultraviolet (UV) light penetrating a single undyed yarn and a lot of yarns. The optical model was verified with results of diffuse reflectance spectra measurement on wool yarn samples. This optical model was used to predict the factors influencing UV protection, including fibre diameter, yarn linear density, yarn twist, transmittance index and refractive index. The statistical predictive model was also set up to show the relationship between the yarn parameters and the UV protection (UPF values) of the yarns. Yarns with the fine diameter, large yarn linear density and low yarn twist had the high UV protection.
机译：考虑到纱线参数和两条相邻纱线之间的光相互作用（反射率和透射率），提出了一种光学模型来理解紫外线（UV）穿透一根未染色的纱线和许多根纱线。通过对羊毛纱线样品的漫反射光谱测量结果验证了光学模型。该光学模型用于预测影响紫外线防护的因素，包括纤维直径，纱线线密度，纱线捻度，透射率指数和折射率。还建立了统计预测模型，以显示纱线参数和纱线的紫外线防护（UPF值）之间的关系。直径细，线密度大，捻度低的纱线具有较高的防紫外线性能。

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