使用三醋酸纤维素光学薄膜的液晶显示器 (LCD) 光降解行为研究

IF 1.7 4区工程技术 Q4 POLYMER SCIENCE

Journal of Polymer Engineering Pub Date : 2024-04-20 DOI:10.1515/polyeng-2023-0184

Xiushan Fan, Jin Wu

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引用次数: 0

摘要

本研究采用苎麻纤维制备三醋酸纤维素（CTA）薄膜。随后，在 40 °C 的光降解室中对不含光敏剂的 CTA 薄膜进行了光降解实验。此外，还通过衰减全反射红外线（ATR-IR）、1H 核磁共振（1H NMR）、扫描电子显微镜（SEM）、热性能、取代度（DS）和拉伸强度评估了薄膜的光降解过程。研究结果表明，紫外线（UV）辐照 300 小时后，CTA 薄膜的机械强度显著下降。同时，本文还展示了 CTA 光降解的机理。这项研究为液晶显示器废旧 CTA 薄膜的生物降解提供了一种温和且有潜力的预处理方法。

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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Study on the photodegradation behaviors of liquid crystal display (LCD) used optical cellulose triacetate films

In this study, ramie fiber was employed to prepare cellulose triacetate (CTA) films. Subsequently, the photodegradation behaviors without photosensitizers of CTA films were carried out in photodegradation chambers at 40 °C. Additionally, the photodegradation procedure of films was assessed by the attenuated total reflection infrared (ATR-IR), 1H nuclear magnetic resonance (1H NMR), scanning electron microscope (SEM), thermal properties, degree of substitution (DS), and tensile strength. The research consequences indicated that the mechanical strength of the CTA films was decreased significantly after ultraviolet (UV) irradiation for 300 h. However, the DS of the films is almost invariable when they are exposed to UV irradiation. Meanwhile, the suggested mechanism for photodegradation of CTA was also exhibited in this paper. This study provides a mild and potential pre-treatment approach for the biodegradation of LCD used waste CTA films.

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来源期刊

Journal of Polymer Engineering 工程技术-高分子科学

CiteScore

3.20

自引率

5.00%

发文量

审稿时长

2.5 months

期刊介绍： Journal of Polymer Engineering publishes reviews, original basic and applied research contributions as well as recent technological developments in polymer engineering. Polymer engineering is a strongly interdisciplinary field and papers published by the journal may span areas such as polymer physics, polymer processing and engineering of polymer-based materials and their applications. The editors and the publisher are committed to high quality standards and rapid handling of the peer review and publication processes.