离子交换型缓蚀填料在防腐蚀涂层中的应用Ⅰ阳离子交换型填料
Application of Ion-exchange Compounds as Corrosion Inhibiting Pigments to Organic Anticorrosion Coatings Ⅰ Cation-exchange Pigments
摘 要
铬酸盐等重金属类缓蚀性颜填料会对环境造成严重的污染, 未来该类有害物质在防腐蚀涂层中的应用将被禁止。新型的离子交换型填料因其具有可同时释放缓蚀性离子和吸附固定侵蚀性离子(H+、Cl-、SO2-4等)的双重功效, 被认为是替代传统重金属类颜填料的理想材料。本文对Zn2+、Ce3+、Ca2+等缓蚀性阳离子改性膨润土、氧化硅、分子筛等新型离子交换型缓蚀填料在有机防腐蚀涂层中的应用进行了综述。
离子交换
阳离子
填料
涂层
anticorrosion
ion-exchange
cation
pigment
coating
Abstract
It is well documented that chromate pigments and other heavy metal compounds must be eliminated from organic anticorrosion coatings due to their toxic nature and carcinogenic effects in the future. The novel ion-exchange pigments can play a double role of absorbing the harmful ions such as H+, Cl-, SO2-4 and releasing the inhibiting ions on contact with aggressive electrolyte invading the coating. The released inhibitors can provide active corrosion protection to the defects in the coating and substrate, on the other hand, the uptake of harmful ions decreases the aggressiveness of the corrosive medium, and thereby reduces the rate of ecorrosion processes. Therefore, such new inhibiting compounds have been developed as the potential alternate materials of the traditional toxic pigments, and have attracted a lot of attention. In this paper, the application of ion-exchange pigments, such as Ce3+, Zn2+ cation-exchanged bentonite, Ca2+ cation-exchanged silica and MoO2+2 cation-exchanged zeolite, to organic anticorrosion coatings is reviewed.
中图分类号 TQ628.3 TG174.42
所属栏目 专论
基金项目 国家自然科学基金项目(No.50701006; No.50871021)
收稿日期 2010/6/20
修改稿日期 2010/6/28
网络出版日期
作者单位点击查看
联系人作者吴俊升(wujs76@163.com)
备注吴俊升, 副教授, 博士,
引用该论文: WU Jun-sheng,XIAO Kui,LI Xin-rong,DONG Chao-fang,LI Xiao-gang. Application of Ion-exchange Compounds as Corrosion Inhibiting Pigments to Organic Anticorrosion Coatings Ⅰ Cation-exchange Pigments[J]. Corrosion & Protection, 2011, 32(5): 377
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参考文献
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【10】Bierwagen G P, Tallman D E. Choice and measurement of crucial aircraft coatings system properties[J]. Progress in Organic Coatings, 2001, 41(4):201-216.
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【13】Trinh Anh Truc, To Thi Xuan Hang, Vu Ke Oanh, et al. Incorporation of an indole-3 butyric acid modified clay in epoxy resin for corrosion protection of carbon steel[J]. Surface and Coatings Technology, 2008, 202(20):4945-4951.
【14】To Thi Xuan Hang, Trinh Anh Truc, Truong Hoai Nam, et al. Corrosion protection of carbon steel by an epoxy resin containing organically modified clay[J]. Surface and Coatings Technology, 2007, 201(16/17):7408-7415.
【15】Romagnoli R, Deyá M C, Del Amo B. The mechanism of the anticorrosive action of calcium-exchanged silica[J]. Surface Coatings International Part B:Coatings Transactions, 2003, 86(2):135-141.
【16】Zin I M, Lyon S B, Hussain A. Under-film corrosion of epoxy-coated galvanised steel:An EIS and SVET study of the effect of inhibition at defects[J]. Progress in Organic Coatings, 2005, 52(2):126-135.
【17】Deya C, Romagnoli R, Del Amo B. A new pigment for smart anticorrosive coatings[J]. Journal of Coatings Technology Research, 2007, 4(2):167-175.
【2】Sinko J. Challenges of chromate inhibitor pigments replacement in organic coatings[J]. Progress in Organic Coatings, 2001, 42(3/4):267-282.
【3】Kawatra S K, Ripke S J. Developing and understanding the bentonite fiber bonding[J]. Mechanism Minerals Engineering, 2001, 14(6):647-659.
【4】Chrisanti S. The application of ion-exchanged caly as corrosion inhibiting pigments in organic coatings[D]. The Ohio State University, 2008.
【5】Li F B, Thompson G E. In situ atomic force microscopy studies of the deposition of cerium oxide films on regularly corrugated surfaces[J]. Journal of the Electrochemical Society, 1999, 146(5):1809-1815.
【6】Bohm S, McMurray H N, Worsley D A, et al. Novel environment friendly corrosion inhibitor pigments based on naturally occurring clay minerals[J]. Materials and Corrosion, 2001, 52(12):896-903.
【7】Williams G, McMurray H N, Worsley D A. Cerium(III) inhibition of corrosion-driven organic coating delamination studied using a scanning Kelvin probe technique[J]. Journal of the Electrochemical Society, 2002, 149(4)154-162.
【8】Loveridge M J, McMurray H N, Worsley D A. Chrome free pigments for corrosion protection in coil coated galvanised steels[J]. Corrosion Engineering Science and Technology, 2006, 41(3):240-248.
【9】Williams G, McMurray H N, Loveridge M J. Inhibition of corrosion-driven organic coating disbondment on galvanised steel by smart release group II and Zn(II)-exchanged bentonite pigments[J]. Electrochimica Acta, 2010, 55(5):1740-1748.
【10】Bierwagen G P, Tallman D E. Choice and measurement of crucial aircraft coatings system properties[J]. Progress in Organic Coatings, 2001, 41(4):201-216.
【11】Hinton B R W. Corrosion inhibition with rare earath metal salts[J]. Journal of Alloys and Compounds, 1992, 180:15-25.
【12】Chrisanti S, Mahajanam S, Buchheit R G. The use of ion exchange compounds as corrosion inhibiting and sensing pigments in organic coatings[C]//Surface Engineering-Proceedings of the 3rd International Surface Engineering Conference, ASM International, 2004:1-7.
【13】Trinh Anh Truc, To Thi Xuan Hang, Vu Ke Oanh, et al. Incorporation of an indole-3 butyric acid modified clay in epoxy resin for corrosion protection of carbon steel[J]. Surface and Coatings Technology, 2008, 202(20):4945-4951.
【14】To Thi Xuan Hang, Trinh Anh Truc, Truong Hoai Nam, et al. Corrosion protection of carbon steel by an epoxy resin containing organically modified clay[J]. Surface and Coatings Technology, 2007, 201(16/17):7408-7415.
【15】Romagnoli R, Deyá M C, Del Amo B. The mechanism of the anticorrosive action of calcium-exchanged silica[J]. Surface Coatings International Part B:Coatings Transactions, 2003, 86(2):135-141.
【16】Zin I M, Lyon S B, Hussain A. Under-film corrosion of epoxy-coated galvanised steel:An EIS and SVET study of the effect of inhibition at defects[J]. Progress in Organic Coatings, 2005, 52(2):126-135.
【17】Deya C, Romagnoli R, Del Amo B. A new pigment for smart anticorrosive coatings[J]. Journal of Coatings Technology Research, 2007, 4(2):167-175.
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