当前位置: X-MOL 学术J. Polym. Environ. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Fluorine Free Bio-Based Polybenzoxazine Coated Substrates for Oil-Water Separation and Anti-Icing Applications
Journal of Polymers and the Environment ( IF 5.3 ) Pub Date : 2020-06-11 , DOI: 10.1007/s10924-020-01782-z
G. Dinesh Kumar , P. Prabunathan , M. Manoj , A. Hariharan , M. Alagar

Eugenol (E) based mono-functional benzoxazine(E-x) monomers were prepared using different long-chain monoamines(x = ba, ha, dda, oda) and fluorine substituted aromatic monoamine (x = fa). The molecular structure of the monomers developed was characterized by FTIR and NMR spectral analysis. Further, the prepared monomers were coated over the cotton fabric and studied for their surface behavior. The poly(E-dda) coated cotton fabric exhibits the higher value of water contact angle (WCA = 151°) than that of other samples coated with polybenzoxazines(E-ba, E-ha,E-oda, and E-fa). Furthermore, poly(E-dda) coated cotton fabrics also displayed the lower value of surface energy of 15.6 mN/m with a lower sliding angle value(11°) than those of other coated cotton fabric samples. The formation of rough surfaces on the fabric was ascertained from microstructure analysis and thereby contributes to superhydrophobicity along with pH robustness. Subsequently, the oil-water separation efficiency and flux of the poly(E-dda) coated cotton fabric was found to be 98% and 5800 L/m2h respectively. It was also observed that the specimen of a glass substrate coated with poly(E-dda) exhibited the delayed ice formation. Data obtained from different studies, it is suggested that the eugenol-dodecylamine(E-dda) based benzoxazine can be effectively employed as an alternate to fluorine-based polymers.



中文翻译:

用于油水分离和防冰应用的无氟生物基聚苯并恶嗪涂层基材

使用不同的长链单胺(x = ba,ha,dda,oda)和氟取代的芳族单胺(x = fa)制备基于丁香酚(E)的单官能苯并恶嗪(Ex)单体。通过FTIR和NMR光谱分析表征了所开发的单体的分子结构。此外,将制备的单体涂布在棉织物上并研究其表面行为。与其他涂有聚苯并恶嗪的样品(E-ba,E-ha,E-oda和E-fa)相比,聚(E-dda)涂层棉织物的水接触角(WCA = 151°)值更高。 。此外,聚(E-dda)涂层棉织物的表面能值也比其他涂层棉织物样品低,为15.6 mN / m,滑动角值(11°)低。通过微观结构分析确定了织物上粗糙表面的形成,从而有助于超疏水性以及pH值的稳健性。随后,发现聚(E-dda)涂层棉织物的油水分离效率和通量为98%和5800 L / m分别2小时。还观察到涂覆有聚(E-dda)的玻璃基板的样品表现出延迟的冰形成。从不同研究获得的数据表明,丁香酚-十二烷基胺(E-dda)基苯并恶嗪可有效替代氟基聚合物。

更新日期:2020-07-29
down
wechat
bug