三层聚乙烯防腐涂层和双层熔结环氧粉末涂层性能对比
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摘要
分析了三层聚乙烯防腐涂层(3PE)和双层熔结环氧粉末涂层(DPS)的结构,对比了2种涂层的耐划伤性能、弹性模量、喷涂与质量控制、补口补伤安全性、阴极保护相容性与经济性以及其他性能,指出了3PE的缺陷和DPS的优势。并对DPS和3PE涂层进行了综合评价,指出DPS完全可以替代现有的3PE防护体系,满足实际应用的需要。
The basic performance and composition of both three-layer polyethylene anticorrosive coating( 3PE) and dual powder fusion bonded epoxy systems( DPS),especially their abrasion resistant,elastic modulus,spray process and quality control,pipeline gap coating-repair & security,cathodic protective compatibility and economy were compared in detail.The result showed that DPS,as a substitution of the existing 3PE in China,was superior to3 PE in overall protective performance capable of meeting requirement in actual application.
The basic performance and composition of both three-layer polyethylene anticorrosive coating( 3PE) and dual powder fusion bonded epoxy systems( DPS),especially their abrasion resistant,elastic modulus,spray process and quality control,pipeline gap coating-repair & security,cathodic protective compatibility and economy were compared in detail.The result showed that DPS,as a substitution of the existing 3PE in China,was superior to3 PE in overall protective performance capable of meeting requirement in actual application.
引文
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[24]NORMAN D,ARGENT C.Pipeline coatings,external corrosion and direct assessment[J].Corrosion,2007,(4-10):07154.
[2]杨赫,刘彦礼.近年我国油气管道防腐技术的应用[J].化学工程师,2008,149(2):28-31.
[3]赵君,罗鹏,滕延平,等.管道三层PE防腐层现场应用调查与分析[J].管道技术与设备,2008(6):41-43.
[4]COLIN J ARGENT,DAVID NORMAN.Fitness for purpose issues relating to FBE and three layer PE coatings[C].Houston:Corrosion,2005.
[5]杜秀玲,吴希革,李楠.浅谈埋地钢质管道阴极保护对3PE涂层的影响[J].腐蚀与防护,2007,28(5):249-252.
[6]杨晓鸿.天然气管道双层熔结环氧粉末防腐体系的应用[J].油气储运,2005,24(1):43-47.
[7]ERNEST W,KLECHKAJR.Dual-powder FBE coatings used for directionally drilled Alaskan river crossings[J].Coatings&Linings,2003,42(6):38-42.
[8]龚树鸣.三层PE在中国的应用[J].防腐保温技术,2004,4(4):11-13.
[9]廖宇平,程书旗,郑玉海,等.管道3PE防护层的结构特点与缺陷分析及防范[J].腐蚀与防护,2006,27(6):311-314.
[10]毕学振.熔结环氧粉末涂料[J].防腐保温技术,2006,14(3):22-26.
[11]冯庆善.双层环氧粉末覆盖层应用可行性研究[J].油气储运,2001,20(2):35-39.
[12]胡士信.国内管道防腐层技术现状及差距[J].防腐保温技术,2005,13(1):1-6.
[13]杜秀玲,吴希革,李楠.浅谈埋地钢质管道阴极保护对熔结环氧粉末涂层的影响[J].防腐保温技术,2007,15(1):21-25.
[14]NORSWORTHY R,NORSWORTHY R.Fusion bonded epoxy-a field proven fail safe coating system[J].Corrosion,2006:3-8.
[15]FENG Q S,YANG Z P.The use of a dual powder system as an external pipeline coating[J].Corrosion,2004,(4-8):04173.
[16]廖宇平,程书旗,郑玉海,等.3PE防腐层缺陷成因分析与防范[J].防腐保温技术,2005,13(3):26-30.
[17]李远利,雍歧卫,刘志.管道防腐涂层新发展[J].涂料工业,2007,37(2):55-57.
[18]NEAL D.Pipeline coating failure-not always what you think it is[J].Corrosion,2000,(2-4):00755.
[19]MOORE D P.Cathodic shielding can be a major problem after a coating fails[J].Materials Performance,2000,39(4):44-49.
[20]BEAVERS J A,THOMPSON N G.Corrosion beneath disbonded pipeline coatings[J].Materials Performance,1997,36(4):13-19.
[21]胡士信,董旭.我国管道防腐层技术现状[J].油气储运,2004,23(7):4-8.
[22]DENNIS NEAL.Two coating systems contend for premium spot in the market[J].Pipe Line&Gas Industry.1998,3(4):3-5.
[23]张柏松,王丽.管道多层覆盖层系统的评价[J].油气储运,2001,20(6):23-25.
[24]NORMAN D,ARGENT C.Pipeline coatings,external corrosion and direct assessment[J].Corrosion,2007,(4-10):07154.