CN101665621A - 油井管专用超高耐磨抗硫化氢聚醚醚酮水性悬浮液的制备及应用 - Google Patents
油井管专用超高耐磨抗硫化氢聚醚醚酮水性悬浮液的制备及应用 Download PDFInfo
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Abstract
本发明提供一种油井管专用超高耐磨抗硫化氢聚醚醚酮水性悬浮液，其具有低的VOC含量，采用高速旋转无气喷涂工艺涂装在油井管内壁后，为设备提供高耐磨、自润滑、耐高温高压和抗硫化氢的防腐性能的涂层。该水性悬浮液还可采用空气喷涂，可应用于各种螺母丝扣以及各种风叶轮上，以提高设备的耐化学品性和耐磨损性能。本发明的聚醚醚酮水性悬浮液具有极好的自润滑性，为设备提供更小的表面阻力，在减少输送阻力和节能方面很有成效。
Description
技术领域
本发明涉及油井管专用涂料领域，具体涉及一种聚醚醚酮水性悬浮液的制备，以及该悬浮液在油井管内采用高速旋转无气喷涂的涂装方法。
背景技术
油井管在含CO2、H2S、Cl-等多种腐蚀介质及高温高压多相环境中服役时往往容易发生腐蚀穿孔和爆裂现象，导致管柱掉井和油气泄露，甚至引发井喷等恶性事故。这些事故除了造成重大经济损失和人员伤亡外，还引起停工停产、环境污染等一系列恶性后果，使油气输送中断，生产无法进行，生态环境遭到破坏，如我国最大的整装气田长庆气田，其天然气中就含有H2S、CO2等腐蚀性气体，在高温高压环境中，油套管发生硫化物应力腐蚀开裂、点蚀等现象。自92年开发以来，已陆续出现油管腐蚀、开裂导致油管掉井现象，仅1994年就出现3起腐蚀事故。因此，研究油套管高温高压环境下抗H2S防腐涂层，对我国油气开采具有重大的工程应用价值。
现有的高含硫化氢油气田开发有采用加注缓蚀剂，用抗硫钢材以及喷涂环氧酚醛体系溶剂型涂料的方法来防止油管和集输管线内防腐，前两者不足之处是使用不便，费用高，而采用环氧酚醛涂层的不足之处是涂层韧性和耐磨性不够理想。
发明内容
本发明的目的是提供一种聚醚醚酮水性悬浮液涂料，其可为油井管提供一种在高温高压条件下具有抗硫化氢的涂层，该涂层相对以往的涂层在韧性、耐磨性等方面有较大的提升。本发明所述的技术方案如下所述。
一种油井管专用超高耐磨抗硫化氢聚醚醚酮水性悬浮液，按照质量百分比其包含如下的组分：
聚醚醚酮 28％-38％
水 45％-50％
水溶性溶剂 5％-10％
无机颜填料 5％-10％
表面活性剂 1％-2％
防沉剂、增稠剂 0.5％-2％
缓蚀剂 0.2％-0.5％
消泡剂 0.5％-1％
其中，所述的表面活性剂包括选自阴离子型，非离子型表面活性剂或钛酸酯偶联剂中的一种；所述的无机颜填料包括选自云母粉、滑石粉、钛白粉、陶瓷粉、磷酸锌、三聚磷酸铝中的一种或多种互配。所述的防沉剂、增稠剂包括选自有机膨润土、气相二氧化硅、纤维素醚、碱溶胀乳液、大分子量聚羧酸盐、聚氨酯或聚醚类缔合型中的一种或多种互配。所述的水溶性溶剂包括选自酒精、乙二醇、乙二醇乙醚中一种或多种互配。
本发明还提供了在各种油井管内采用高速旋转无气喷涂进行内壁涂装的方法，该方法包括如下的步骤：
(1)、聚醚醚酮水性悬浮液经高速旋转无气喷涂工艺喷涂在设备上后，需在380-400度塑化10-15分钟，采取自冷或降温到250-300度后急冷；
(2)、步骤(1)喷涂后形成的涂层于自冷或急冷后经200-300度处理。
本发明提供的聚醚醚酮水性悬浊液形成的涂膜其耐H2S腐蚀(含量13-18％，40MPa，148℃，15天)、耐CO2腐蚀(含量8-12％，40MPa，148℃，15天)涂层无气泡，无脱落，附着力无变化。涂层耐磨性的检测：Table磨耗仪，1000克配重，1000转，失重在2mg以下。
本发明提供一种聚醚醚酮水性悬浮液，具有低的VOC含量。采用高速旋转无气喷涂工艺涂装在油井管内壁后，为设备提供高耐磨、自润滑、耐高温高压和抗硫化氢的防腐性能的涂层。该水性悬浮液还可采用空气喷涂，可应用于各种螺母丝扣以及各种风叶轮上，以提高设备的耐化学品性和耐磨损性能。本发明的聚醚醚酮水性悬浮液具有极好的自润滑性，为设备提供更小的表面阻力，在减少输送阻力和节能方面很有成效。
具体实施方式
现结合具体实施方式，对本发明做进一步的描述。
实施例1
一种聚醚醚酮水性悬浮液，该水性悬浮液包括以质量百分含量计的以下组分：
聚醚醚酮(VICOTE704) 38％
水 46％
乙二醇 6％
表面活性剂(AFCONA5071) 2％
增稠剂(上海双润化工935) 1％
缓蚀剂(上海双润化工601) 0.5％
陶瓷粉 5％
消泡剂(BYK021) 0.5％
消泡剂(BYK094) 0.5％
气相二氧化硅 0.5％
聚醚醚酮水性悬浮液经高速旋转无气喷涂工艺喷涂在设备上后，塑化温度为380-400度，塑化时间5-15分钟，涂膜熔融后，随炉冷却到250-300度时水中急冷，然后经200度热处理3小时。涂膜采用Table磨耗仪检测，1000克配重，1000转，失重在0.48mg。
实施例2
一种聚醚醚酮水性悬浮液，该水性悬浮液包括以质量百分含量计的以下组分：
聚醚醚酮(VICOTE704) 28％
钛白粉 10％
水 47％
表面活性剂(AFCONA5071) 2％
缓蚀剂(上海双润化工601) 0.5％
消泡剂(BYK020) 1％
气相二氧化硅 1.5％
乙二醇乙醚 5％
乙二醇 5％
聚醚醚酮水性悬浮液经高速旋转无气喷涂工艺喷涂在设备上后，塑化温度为380-400度，塑化时间5-15分钟，涂膜熔融后，随炉冷却到250-300度时水中急冷，然后经200度热处理2小时，涂膜采用Table磨耗仪检测，1000克配重，1000转，失重在1mg。
实施例3
一种聚醚醚酮水性悬浮液，该水性悬浮液包括以质量百分含量计的以下组分：
聚醚醚酮(VICOTE704) 28％
钛白粉 10％
三聚磷酸铝 8％
水 42％
表面活性剂(科宁558) 2％
气相二氧化硅 1.5％
缓蚀剂(SER-AD FA 179) 0.5％
消泡剂(Airex901 W-Tego) 1％
乙二醇 7％
聚醚醚酮水性悬浮液经高速旋转无气喷涂工艺喷涂在设备上后，塑化温度为380-400度，塑化时间15分钟，涂膜熔融后，随炉冷却到室温，涂膜采用Table磨耗仪检测，1000克配重，1000转，失重在1.8mg。
实施例4
一种聚醚醚酮水性悬浮液，该水性悬浮液包括以质量百分含量计的以下组分：
聚醚醚酮(吉大新材012P) 38％
滑石粉 5％
钛白粉 5％
水 47％
表面活性剂(AFCONA5071) 2％
增稠剂(纤维素醚) 1％
缓蚀剂(上海双润化601) 0.5％
消泡剂(BYK020) 1％
有机膨润土 0.5％
聚醚醚酮水性悬浮液经高速旋转无气喷涂工艺喷涂在设备上后，塑化温度为380-400度，塑化时间15分钟，涂膜熔融后，在随炉冷却到300度时用水急冷，涂膜采用Table磨耗仪检测，1000克配重，1000转，失重在1.2mg。
综上所述仅为本发明的较佳实施例而已，并非用来限定本发明的实施范围。即凡依本发明申请专利范围的内容所作的等效变化与修饰，都应为本发明的技术范畴。
Claims (6)
1、一种油井管专用超高耐磨抗硫化氢聚醚醚酮水性悬浮液，按照质量百分比其包含如下的组分：
聚醚醚酮 28％-38％
水 45％-50％
水溶性溶剂 5％-10％
无机颜填料 5％-10％
表面活性剂 1％-2％
防沉剂、增稠剂 0.5％-2％
缓蚀剂 0.2％-0.5％
消泡剂 0.5％-1％
其中，所述的表面活性剂包括选自阴离子型，非离子型表面活性剂或钛酸酯偶联剂中的一种；所述的无机颜填料包括选自云母粉、滑石粉、钛白粉、陶瓷粉、磷酸锌、三聚磷酸铝中的一种或多种互配；所述的防沉剂、增稠剂包括选自有机膨润土、气相二氧化硅、纤维素醚、碱溶胀乳液、大分子量聚羧酸盐、聚氨酯或聚醚类缔合型中的一种或多种互配；所述的水溶性溶剂包括选自酒精、乙二醇、乙二醇乙醚中一种或多种互配。
2、如权利要求1所述的聚醚醚酮水性悬浮液，该水性悬浮液包括以质量百分含量计的以下组分：
聚醚醚酮(VICOTE704) 38％
水 46％
乙二醇 6％
表面活性剂(AFCONA5071) 2％
增稠剂(上海双润化工935) 1％
缓蚀剂(上海双润化工601) 0.5％
陶瓷粉 5％
消泡剂(BYK021) 0.5％
消泡剂(BYK094) 0.5％
气相二氧化硅 0.5％。
3、如权利要求1所述的聚醚醚酮水性悬浮液，该水性悬浮液包括以质量百分含量计的以下组分：
聚醚醚酮(VICOTE704) 28％
钛白粉 10％
水 47％
表面活性剂(AFCONA5071) 2％
缓蚀剂(上海双润化工601) 0.5％
消泡剂(BYK020) 1％
气相二氧化硅 1.5％
乙二醇乙醚 5％
乙二醇 5％。
4、如权利要求1所述的聚醚醚酮水性悬浮液，该水性悬浮液包括以质量百分含量计的以下组分：
聚醚醚酮(VICOTE704) 28％
钛白粉 10％
三聚磷酸铝 8％
水 42％
表面活性剂(科宁558) 2％
气相二氧化硅 1.5％
缓蚀剂(SER-AD FA 179) 0.5％
消泡剂(Airex901W-Tego) 1％
乙二醇 7％。
5、如权利要求1所述的聚醚醚酮水性悬浮液，该水性悬浮液包括以质量百分含量计的以下组分：
聚醚醚酮(吉大新材012P) 38％
滑石粉 5％
钛白粉 5％
水 47％
表面活性剂(AFCONA5071) 2％
增稠剂(纤维素醚) 1％
缓蚀剂(上海双润化工601) 0.5％
消泡剂(BYK020) 1％
有机膨润土 0.5％。
6、一种油井管内高速旋转无气喷涂进行内壁涂装的方法，该方法包括如下的步骤：
(1)、权利要求1-5任意一种聚醚醚酮水性悬浮液经高速旋转无气喷涂工艺喷涂在设备上后，需在380-400度塑化10-15分钟，采取自冷或降温到250-300度后急冷；
(2)、步骤(1)喷涂后形成的涂层于自冷或急冷后经200-300度处理。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2967199A1 (fr) * | 2010-11-10 | 2012-05-11 | Vallourec Mannesmann Oil & Gas | Procede de revetement d'un composant tubulaire filete, composant tubulaire filete et joint resultant |
| CN105331243A (zh) * | 2015-10-27 | 2016-02-17 | 江苏友成高分子材料科技有限公司 | 一种水性磺化聚醚醚酮涂料及其制备方法及成膜工艺 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2967199A1 (fr) * | 2010-11-10 | 2012-05-11 | Vallourec Mannesmann Oil & Gas | Procede de revetement d'un composant tubulaire filete, composant tubulaire filete et joint resultant |
| WO2012062426A1 (en) * | 2010-11-10 | 2012-05-18 | Vallourec Mannesmann Oil & Gas France | Process for coating a threaded tubular component, threaded tubular component and resulting connection |
| CN103221519A (zh) * | 2010-11-10 | 2013-07-24 | 瓦卢莱克曼内斯曼油气法国公司 | 螺纹管状构件的涂布方法，螺纹管状构件和所得连接件 |
| CN103221519B (zh) * | 2010-11-10 | 2015-04-15 | 瓦卢莱克曼内斯曼油气法国公司 | 螺纹管状构件的涂布方法,螺纹管状构件和所得连接件 |
| AU2011328484B2 (en) * | 2010-11-10 | 2015-11-19 | Nippon Steel & Sumitomo Metal Corporation | Process for coating a threaded tubular component, threaded tubular component and resulting connection |
| EA024642B1 (ru) * | 2010-11-10 | 2016-10-31 | Валлурек Маннесманн Ойл Энд Гес Франс | Способ покрытия резьбового трубчатого компонента, резьбовой трубчатый компонент и результирующее соединение |
| CN105331243A (zh) * | 2015-10-27 | 2016-02-17 | 江苏友成高分子材料科技有限公司 | 一种水性磺化聚醚醚酮涂料及其制备方法及成膜工艺 |
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