Novel bio-based phosphorous-containing UV-curable flame-retardant coatings

IF 2.3 4区材料科学 Q2 Chemistry Journal of Coatings Technology and Research Pub Date : 2023-02-13 DOI:10.1007/s11998-022-00740-9

Elif Ozman, Cemil Dizman, Hatice Birtane, Memet Vezir Kahraman

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引用次数: 1

Abstract

In this work, a novel bio-based phosphorus-containing reagent was synthesized and characterized. To obtain a flame retardant agent with acid functionality, 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) and bio-based itaconic acid were first reacted. The synthesized acid then was reacted with glycidyl methacrylate to form a difunctional phosphorus-containing methacrylate flame retardant monomer. The flame retardant monomer was added to a reactive monomer matrix with a photoinitiator to prepare UV-curable coatings. The molecular structure of the flame retardant was confirmed by Fourier-transform infrared-attenuated total reflection spectroscopy and proton nuclear magnetic resonance (¹H NMR) spectroscopy. The flame retardant behavior of coatings was determined using limiting oxygen index. Thermal behaviors of the films were studied by thermal gravimetric analysis. Furthermore, scanning electron microscopy/energy-dispersive spectroscopy was used to determine the elemental composition and to observe the morphology of the coatings. The properties (water adsorption, gel content, etc.) of the coatings were also studied. It was found that the addition of DOPO resulted in a significant improvement in the flame retardant and thermal properties of the coatings.

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新型生物基含磷紫外光固化阻燃涂料

本文合成了一种新型的生物基含磷试剂，并对其进行了表征。以9,10 -二氢-9-氧-10-磷菲-10-氧化物(DOPO)和生物基衣康酸为原料，制备了具有酸功能的阻燃剂。将合成的酸与甲基丙烯酸缩水甘油酯反应，制得双官能含磷甲基丙烯酸酯阻燃单体。将该阻燃单体加入到反应性单体基体中，用光引发剂制备紫外光固化涂料。采用傅里叶变换红外衰减全反射光谱和质子核磁共振(1H NMR)光谱对阻燃剂的分子结构进行了确证。用极限氧指数测定了涂层的阻燃性能。用热重分析法研究了膜的热行为。利用扫描电镜和能量色散光谱分析了镀层的元素组成和形貌。研究了涂层的吸附性能、凝胶含量等。结果表明，DOPO的加入显著改善了涂层的阻燃性能和热性能。

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来源期刊

Journal of Coatings Technology and Research CHEMISTRY, APPLIED-MATERIALS SCIENCE, COATINGS & FILMS

CiteScore

4.40

自引率

8.70%

发文量

期刊介绍： Journal of Coatings Technology and Research (JCTR) is a forum for the exchange of research, experience, knowledge and ideas among those with a professional interest in the science, technology and manufacture of functional, protective and decorative coatings including paints, inks and related coatings and their raw materials, and similar topics.