基于FDCA的生物可再生基树脂,用于更可持续的木材涂层
Victor Klushin1,2, Ivan Zubkov1,3, Dmitry Petrenko1
1Research Institute "Nanotechnologies and New Materials", Platov South-Russian State Polytechnic University, 346428 Novocherkassk, Russia.
Polymers
|November 27, 2025
概括
使用2,5-furandicarboxylic acid (FDCA) 合成的生物基树脂为涂料提供了一个可持续的替代品. 这些基于FDCA的基涂层具有出色的粘附性,热稳定性和屏障性能,适合室内应用.
科学领域:
- 聚合物化学 聚合物化学
- 材料科学 材料科学 材料科学
- 可持续化学 可持续化学
背景情况:
- 基树脂 (ARs) 是广泛使用的合成聚合物,特别是在涂料中.
- 在AR生产中,对以石油为基础的材料的可持续替代品的需求越来越大.
- 2,5-furandicarboxylic acid (FDCA) 是一种生物质衍生构建块,是石油衍生芳香二酸的有前途的替代品.
研究的目的:
- 用植物油和不同的多聚合物合成和表征基于FDCA的合树脂.
- 评估合成的ARs的物理化学特性和涂层性能.
- 为了比较基于FDCA的ARs与传统的基于phthalic无化物的ARs的性能.
主要方法:
- 使用FDCA,向日种子油 (SFO),亚麻油 (LSO),五乙醇 (P) 和甘油 (G) 合成AR.
- 使用富里埃变换红外 (FTIR) 和1H核磁共振 (NMR) 光谱仪对AR结构进行表征.
- 物理化学性质的评估 (酸值,基值,粘度等) 和涂层性能 (干燥时间,硬度,附着性,抗性质).
主要成果:
- 基于FDCA的AR涂层显示出出色的粘附性,良好的热稳定性 (高达220°C),以及对钢材的有效屏障性能.
- 与基于甘油的AR相比,基于五乙醇的AR表现出更高的热稳定性 (T50高达413°C).
- 用五甲基醇取代糖增加了ARs的粘度和硬度 (从2H到3H).
- 基于FDCA的AR显示,与基于phthalic anhydride的AR相比,减少了无时间和增强了热力学性能.
结论:
- 对于AR合成而言,FDCA是一种可行的,可持续的替代物,可以替代甲酸甲.
- 基于FDCA的AR提供了优良的性能特性,适用于室内涂层应用,包括木材涂层.
- 在AR配方中使用生物基成分有助于向生物经济过渡.
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