Corrosion performance of waterborne epoxy coatings containing polyethylenimine treated mesoporous-TiO<sub>2</sub> nanoparticles on mild steel

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Corrosion performance of waterborne epoxy coatings containing polyethylenimine treated mesoporous-TiO₂ nanoparticles on mild steel

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作者：Na Wang ; ^{iamwangna@sina.com" class="auth_mail" title="E-mail the corresponding author} ; Wanlu Fu ; Jing Zhang ; Xuri Li ; Qinghong Fang
关键词：Polyethylenimine (PEI) ; Mesoporous-TiO2 (meso-TiO2) ; Waterborne epoxy ; EIS
刊名：Progress in Organic Coatings
出版年：2015
出版时间：December 2015
年：2015
卷：89
期：Complete
页码：114-122
全文大小：3757 K

文摘

•: Mesoporous TiO₂ (meso-TiO₂) had the larger pore channel than MCM-41.
•: Polyethylenimine (PEI) were modified on meso-TiO₂ surface and inner-channel.
•: Appropriate molecular mass of PEI treated meso-TiO₂ had great barrier property.
•: Meso-TiO₂/PEI prolonged the path of water molecules diffusing into the coatings.
•: Meso-TiO₂/PEI structure enhanced epoxy coating barrier and anticorrosion property.

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