Preparation and properties of rosin-based naphthalene fluorescent polyurethane

IF 1.8 4区材料科学 Q4 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY

Green Materials Pub Date : 2023-05-15 DOI:10.1680/jgrma.23.00031

Jian-Feng Xu, Chengfei Yan, Guangjie Lu, Caili Yu, F. Zhang

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引用次数: 0

Abstract

Fluorescent polyurethanes (FPU) have been widely used in coatings, temperature recognition, fluorescent probes, and other fields because of their diverse structures and properties. Unfortunately, most FPUs are currently produced from petroleum-based products. Herein, a thermoplastic rosin-based naphthalene FPU was prepared by using the biobased ester of acrylic rosin and glycidyl methacrylate, polycaprolactone, 1, 5-dihydroxy naphthalene (1, 5-DN) and isophorone diisocyanate as the raw materials. The structure of FPU was confirmed by proton nuclear magnetic resonance (1H NMR) and Fourier transform infrared spectroscopy (FTIR). In addition, thermal performance analysis (TGA, DSC) and water contact angle analysis (WCA) showed that the addition of 1, 5-DN improved the thermal stability and hydrophobicity of FPU. More importantly, FPU exhibited good fluorescence performance in both liquid and solid states, and the fluorescence intensity increased with increasing temperature. Both aniline and trichloromethane showed effective fluorescence quenching for FPU. Therefore, FPU is a promising material for applications in temperature recognition and fluorescence probes.

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松香基萘荧光聚氨酯的制备及性能

荧光聚氨酯（FPU）因其结构和性能的多样性，在涂料、温度识别、荧光探针等领域得到了广泛的应用。不幸的是，目前大多数FPU都是由石油产品生产的。以丙烯酸松香与甲基丙烯酸缩水甘油酯、聚己内酯、1，5-二羟基萘（1，5-DN）和异佛尔酮二异氰酸酯为原料，制备了热塑性松香基萘FPU。通过质子核磁共振（1H NMR）和傅立叶变换红外光谱（FTIR）证实了FPU的结构。此外，热性能分析（TGA、DSC）和水接触角分析（WCA）表明，1，5-DN的加入提高了FPU的热稳定性和疏水性。更重要的是，FPU在液体和固体状态下都表现出良好的荧光性能，并且荧光强度随着温度的升高而增加。苯胺和三氯甲烷对FPU均表现出有效的荧光猝灭作用。因此，FPU在温度识别和荧光探针方面具有很好的应用前景。

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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来源期刊

Green Materials Environmental Science-Pollution

CiteScore

3.50

自引率

15.80%

发文量

期刊介绍： The focus of Green Materials relates to polymers and materials, with an emphasis on reducing the use of hazardous substances in the design, manufacture and application of products.