有机涂层的屏蔽作用及其影响因素
Shielding Effect and Its Influencing Factors of Organic Coatings
摘 要
从金属的腐蚀机理出发,指出减弱水和氧气对涂层的渗透性对抑制金属腐蚀起着重要作用.探讨了气体、蒸汽、无机或有机液体等对聚合物膜的渗透作用,分析了聚合物类型及颜料等对涂层屏蔽性能的影响,指出渗透性同时与扩散性和溶解性相关,同时降低水和氧气的渗透性将有利于改善最终涂料产品的性能.
屏蔽
渗透性
颜料
organic coating
barrier
permeability
pigment
Abstract
Decreasing the permeability of water and oxygen is important to inhibit the corrosion behavior of metals.The permeation behavior of gas,vapor and liquid to polymer film is discussed and the effect of polymer type and pigment on the barrier properties is analyzed.The permeability is related with diffusivity and solubility.The decrease of permeability of oxygen and water could improve the anticorrosion performance of coatings.
中图分类号 TG174.46
所属栏目 专论
基金项目
收稿日期 2009/12/6
修改稿日期 2009/12/18
网络出版日期
作者单位点击查看
联系人作者潘莹(pz1218@126.com)
备注潘莹,工程师.
引用该论文: PAN Ying,ZHANG San-ping,ZHOU Jian-long,LI Xiao-gang,WANG Ling,XIAO Yi-de. Shielding Effect and Its Influencing Factors of Organic Coatings[J]. Corrosion & Protection, 2010, 31(9): 741～744
被引情况:
【1】郭英,陈飞, "FBE与聚苯胺粉末共混涂层的防腐蚀性能",腐蚀与防护 33, 683-685(2012)
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参考文献
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【18】涂料工艺编委会.涂料工艺(第三版)下册[M].北京:化学工业出版社,1997.
【2】徐永祥,严川伟,高延敏,等.大气环境中涂层下金属的腐蚀和涂层的失效[J].中国腐蚀与防护学报,2002,22(4):249-256.
【3】Sangaj N S,Malshe V C.Permeability of polymers in protective organic coatings[J].Progress in Organic Coatings,2004,50:28-39.
【4】Walter G W.A review of impedance plot methods used for corrosion performance analysis of painted metal[J].Corrosion Science,1986,26(9):681-703.
【5】Mayne J E O.The mechanism of the inhibition of the corrosion of iron and steel by means of paint[J].Official Digest,1952,24(352):127-136.
【6】Wicks Z W,Jones F N,Pappas S P.Organic Coatings:Science and Technology[M].3rd Edition,John Wiley & Sons,2007.
【7】Thomas N L.The barrier properties of paint coatings[J].Progress in Organic Coatings,1991,19:101-121.
【8】Kinsella E M,Mayne J E O.Ionic conduction in polymer films[C]//3rd International Congress on Metallic Corrosion,Moscow,1966:117-120.
【9】陈立庄,高延敏,缪文桦.水在有机涂层中的传输行为[J].腐蚀科学与防护技术,2005,17(3):178-180.
【10】胡吉明,张鉴清,谢德明,等.水在有机涂层中的传输:Ⅰ:Fick扩散过程[J].中国腐蚀与防护学报,2002,22(5):311-315.
【11】胡吉明,张鉴清,谢德明,等.水在有机涂层中的传输:Ⅱ:复杂的实际传输过程[J].中国腐蚀与防护学报,2002,22(6):371-374.
【12】Legghe E,Aragon E.Correlation between water diffusion and adhesion loss:Study of an epoxy primer on steel[J].Progress in Organic Coatings,2009,66:276-280.
【13】Nicodemo L,Bellucci F,Marcone A.Water and oxygen transport as performance parameters of paint films[J].Journal of Membrane Science,1990,52:393-403.
【14】George S C,Thomas S.Transport phenomena through polymeric systems[J].Progress in Polymer science,2001,26:985-1017.
【15】Meares P.Polymers:Structure and Bulk Properties[M].New York:Van Nostrand Reinhold,1965.
【16】Muizebelt W J,Heuvelsland W J M.Permeabilities of model coatings:effect of cross link density and polarity.Polymeric materials for corrosion control[J].ACS symposium,1986,322:110-114.
【17】Thomas N L.The protective actions of coatings on rusty steel[J].Journal of Protective Coatings and Linings,1989,6(12):63-71.
【18】涂料工艺编委会.涂料工艺(第三版)下册[M].北京:化学工业出版社,1997.
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