The Coloristic Properties of Biodegradable Fibers

Fibers Pub Date : 2024-07-15 DOI:10.3390/fib12070059

Mária Petková, V. Jančovičová, A. Ujhelyiová, M. Hricová

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Abstract

This work aims to present the results of evaluating the coloristic properties of polylactic acid (PLA) fibers. PLA is common nowadays in much research, as it is a biodegradable plastic from renewable sources. However, little research is devoted to PLA fibers, and even less to applied research of colored fibers. The prepared color masterbatches, created using inorganic pigments, such as titanium dioxide and carbon black, were subsequently used to prepare dyed PLA fibers in mass. The fibers were drawn to the maximum drawn ratio. The properties of the pure and dyed fibers were investigated before and after accelerated light aging using Q-SUN equipment. The changes were recorded by Fourier Transform Infrared (FTIR) spectroscopy and colorimetric properties were recorded using a device spectrometer from TECHKON SpectroDens. We also evaluated thermal properties from the first heating via differential scanning calorimetry (DSC). The measurements were taken before and after the aging of the PLA fibers, in order to see the effect of aging on the supermolecular structure, excluding the influence of the preparation process and the influence of the kind of PLA. Using inorganic pigments showed sufficient color stability even after accelerated light aging, which is beneficial for using colored fibers in practice.

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生物降解纤维的色彩特性

这项工作旨在展示聚乳酸（PLA）纤维着色特性的评估结果。聚乳酸是一种来自可再生资源的生物可降解塑料，如今在许多研究中都很常见。然而，对聚乳酸纤维的研究却很少，对有色纤维的应用研究就更少了。利用二氧化钛和炭黑等无机颜料制备的色母粒，随后用于制备大量染色聚乳酸纤维。纤维被拉伸到最大拉伸比。使用 Q-SUN 设备研究了纯纤维和染色纤维在加速光老化前后的特性。傅立叶变换红外（FTIR）光谱记录了这些变化，TECHKON SpectroDens 的设备光谱仪记录了比色特性。我们还通过差示扫描量热仪（DSC）评估了首次加热的热性能。测量是在聚乳酸纤维老化前后进行的，目的是了解老化对超分子结构的影响，排除制备过程和聚乳酸种类的影响。即使在加速光老化后，使用无机颜料也能显示出足够的颜色稳定性，这有利于彩色纤维的实际使用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Fibers

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