Preparation and Characterization of Tung Oil Loaded Melamine Formaldehyde Microcapsules

Cumhuriyet Science Journal Pub Date : 2023-12-28 DOI:10.17776/csj.1299101

Tülin GÜRKAN POLAT, Ahmet Gençer, Meltem Asi̇ltürk, Yılmaz Aksu

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Abstract

In this study microcapsules were prepared by in-situ polymerization route with melamine formaldehyde as a shell material and tung oil as core material. Melamine formaldehyde (MF), a thermosetting polymer, is one of the most widely used monomers in microencapsulation due to its superior mechanical strength and thermal stability. Tung oil contains unsaturated double bonds that can be oxidized to form a film in air. Tung oil is fast drying and biodegradable, besides it is low cost and does not pollute the environment. Most importantly, tung oil is a versatile substance in industry. Therefore, tung oil is a good choice as core material. The chemical structure of microcapsules were characterized by Fourier Transform Infrared (FTIR) spectroscopy. The surface morphology and particle size and distribution were evaluated by Scanning Electron Microscopy (SEM). The thermal behavior of microcapsules and tung oil were studied by thermogravimetric analysis (TGA). The results showed that the spherical microcapsules (particle size of mostly 4-5 μm) were produced with a filling content of 15.64 wt.%, and a yield of 49.78 wt.%. The microcapsules exhibit a good thermal stability

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桐油载体三聚氰胺甲醛微胶囊的制备与表征

本研究以三聚氰胺甲醛为外壳材料，桐油为内核材料，通过原位聚合路线制备了微胶囊。三聚氰胺甲醛（MF）是一种热固性聚合物，具有优异的机械强度和热稳定性，是微胶囊领域应用最广泛的单体之一。桐油含有不饱和双键，可在空气中氧化成膜。桐油干燥速度快，可生物降解，而且成本低，不会污染环境。最重要的是，桐油在工业中用途广泛。因此，桐油是芯材的理想选择。傅立叶变换红外光谱（FTIR）对微胶囊的化学结构进行了表征。扫描电子显微镜（SEM）评估了微胶囊的表面形态、粒度和分布。通过热重分析（TGA）研究了微胶囊和桐油的热行为。结果表明，制得的球形微胶囊（粒径大多为 4-5 μm）填充率为 15.64 wt.%，收率为 49.78 wt.%。微胶囊具有良好的热稳定性

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来源期刊

Cumhuriyet Science Journal

自引率

0.00%

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审稿时长

10 weeks