Alternating Multilayer Structural Epoxy Composite Coating for Corrosion Protection of Steel,Macromolecular Materials and Engineering

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Alternating Multilayer Structural Epoxy Composite Coating for Corrosion Protection of Steel
Macromolecular Materials and Engineering ( IF 4.2 ) Pub Date : 2019-09-18 , DOI: 10.1002/mame.201900374
Jiaoxia Zhang ₁ , Weirui Zhang _{1,

2} , Liping Wei ₁ , Liuyue Pu ₁ , Jianping Liu ₁ , Hu Liu _{3,

4} , Yingchun Li ₅ , Jincheng Fan ₆ , Tao Ding ₇ , Zhanhu Guo ₃

Affiliation

Epoxy composite coatings filled with fillers have been used extensively as anticorrosion materials. In this study, an alternating multilayer structure is designed to obtain multifunctional epoxy resin composite coating based on stepwise coating method via adding graphene and α‐alumina. Their mechanical properties, thermal conductivity, dielectric and anticorrosion properties are characterized. The toughness and the thermal conductivity clearly increase, while the dielectric properties decrease approximately to zero when the filler mass fraction increases from 0.00% to 0.15%. The whole corrosion process is controlled by electrochemical reaction, and the fillers effectively block the corrosive medium, thus improving the anticorrosion performance of the composite coating.

中文翻译：

交替多层钢结构环氧复合防腐涂料

填充有填料的环氧复合涂料已广泛用作防腐材料。在这项研究中，设计了一种交替的多层结构，以通过添加石墨烯和α-氧化铝为基础的逐步涂覆方法获得多功能环氧树脂复合涂层。表征了它们的机械性能，导热率，介电性能和防腐性能。当填料的质量分数从0.00％增加到0.15％时，韧性和导热率明显增加，而介电性能则大约降低至零。整个腐蚀过程由电化学反应控制，填料有效地阻挡了腐蚀介质，从而提高了复合涂层的防腐性能。

更新日期：2019-12-05

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