材料科学
亚麻籽油
复合材料
多孔性
环氧树脂
涂层
蜡
腐蚀
化学
有机化学
作者
Zhike Li,Kaka Li,Xin Li,Yingying Feng,Haiyan Li,Huaiyuan Wang
标识
DOI:10.1016/j.cej.2022.135403
摘要
A novel type of double-shell-structured linseed oil-loaded microcapsules was fabricated by environmentally friendly microencapsulation to prepare corrosion- and wear-resistant difunctional coatings. Porous glass bubbles were first prepared by subcritical water treatment and used as a container for linseed oil. Wax was used as an outer coating to prevent leakage of the linseed oil. The average diameter, shell thickness, thermal stability, double-shell structure and core content of the linseed [email protected] glass bubble/wax microcapsules, as well as the porous structure and cavity of the glass bubbles were investigated. The difunctional self-healing corrosion- and wear-resistant coatings were developed based on the microcapsules, and the self-healing and wear-resistant performance were optimized systematically. Epoxy coatings with 10 wt% linseed [email protected] glass bubble/wax microcapsules exhibited optimal anticorrosion and wear-resistant properties. The impedance modulus at 0.01 Hz was power of three higher than that of a pure epoxy coating after 15 days of immersion in 3.5 wt% salt solution. The friction coefficient and wear loss decreased by 87.9% and 96.3%, respectively, compared with pure epoxy coatings.
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