A low temperature process for the application of three-layer polyethylene coatings

被引：0
|
作者：
Qi, Shao Huai [1 ]
Bin, Zhang Qi [2 ]
Li, Han Wen [2 ]
Bei, Xie Bei [2 ]
Ping, Xu Zhong [2 ]
Bai, Huang Gui [2 ]
机构：
[1] Tianjin Univ Sci & Technol, Coll Mat Sci & Chem Engn, Tianjin, Peoples R China
[2] CNPC Res Inst Engn Technol, Tianjin, Peoples R China
来源：
ANTI-CORROSION METHODS AND MATERIALS | 2011年 / 58卷 / 06期
关键词：
Plastics; Coating processes; Steels; Corrosion three-layer polyethylene; Low application temperature; Epoxy powder coating; X80 longitudinally welded pipe;
D O I：
10.1108/00035591111178864
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Purpose The purpose of this paper is to report the investigation of a low temperature application process for three-layer polyethylene coating (3LPE) at 185-195 degrees C to meet the requirement of the coating temperature for X80 longitudinally welded pipe. Design/methodology/approach - Plant coating and laboratory tests were performed to determine the properties of 3LPE coating coated at 185-195 degrees C. Findings The properties of the 3LPE coating, which was applied by using a suitable low temperature cured epoxy powder at temperature of 185-195 degrees C, were nearly the same as those of a 3LPE coating that had been applied at the normal coating temperature (200-230 degrees C). Originality/value Recommended acceptance criteria for 3LPE coatings applied at 185-195 degrees C are proposed. The research results met the requirements for external anti-corrosion properties for X80 longitudinally welded pipe.
引用
收藏
页码：312 / 314
页数：3
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