Eccentric wear resisting powder paint of oil well pipe

油井管防偏磨粉末涂料

Abstract

本发明公开了油井管防偏磨粉末涂料,其原料组成的质量百分比为:环氧树脂5~60%、硼改性酚醛树脂1~40%、硅微粉10~20%、磷酸锌1~5%、聚醚醚酮2~10%、填料、颜料和催化剂0.01~55%;该涂层具有优异的耐磨性和耐腐蚀性,TABER磨耗(5000转/1000g)小于30mg,用接箍带负载800N,在油田污水浸泡环境往复摩擦测试40万次,涂层厚度损失小于60μm。涂层表面光滑,可有效提高石油的流动效率达25%以上。由于涂层的玻璃化温度高,因此可以适用于5000米的井深,并能有效防止腐蚀的发生。
The invention discloses an eccentric wear resisting powder paint of an oil well pipe. The paint comprises the following raw material components by weight percent: 5-60% of epoxy resin, 1-40% of boron modified phenolic resin, 10-20% of silicon micropowder, 1-5% of zinc phosphate, 2-10% of polyether-ether-ketone and 0.01-55% of filler, pigment and a catalyst. The coating has good abrasive resistance and corrosion resistance as well as TABER abrasion (5000 turns/1000g) less than 30mg, and the thickness loss of the coating is less than 60mu m if a reciprocating friction test is carried out for 40myriad times in the environment of an oil field sewage soaking through 800N is loaded with a coupling belt; the surface of the coating is smooth, thus effectively improving the flowing efficiency of petroleum to above 25%; and because the glass transition temperature of the coating is high, the coating can be suitable for 5000-meter well depth and is capable of effectively preventing corrosion.

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Patent Citations (2)

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