基于丁二酸耐腐蚀涂层材料的化学管道防腐效果分析  

Analysis of the anti-corrosion effect of chemical pipelines based on succinic acid corrosion-resistant coating materials

作　　者：杨乐 YANG Le(Northwest Natural Gas Sales Center of SINOPEC Natural Gas Branch,Urumqi 830000,Xinjiang,China)

机构地区：[1]中石化天然气分公司西北天然气销售中心,新疆乌鲁木齐830000

出　　处：《能源化工》2024年第4期70-75,共6页Energy Chemical Industry

摘　　要：针对丁二酸与环氧树脂反应的优势及涂层材料在化学管道防腐方面研究不足的现状,制备了以二元酸为扩链剂的环氧丙烯酸酯改性材料的涂层材料,并研究了其对化学管道的防腐蚀效果,考察了树脂酸值、环氧丙烯酸酯结构、水接触角、吸水率、电化学阻抗、耐盐雾、动态机械热、光固化涂层等基本性能。4种二元酸环氧丙烯酸酯改性材料树脂的涂层材料的化学阻抗和耐盐雾测试结果表明,涂层材料的耐腐蚀性能随着碳链的增加表现出先逐渐提升而后逐渐下降的变化规律。研究不仅给出了丁二酸耐腐蚀涂层材料对化学管道的防腐效果,同时也对比了其他二元酸耐腐蚀涂层材料的耐腐蚀性能,为化学管道的防腐研究提供了依据。In response to the advantages of the reaction between succinic acid and epoxy resin and the insufficient research on coating materials for chemical pipeline anti-corrosion,the coating materials of epoxy acrylate modified material with dicarboxylic acid as a chain extender are prepared,and their anti-corrosion effect on chemical pipelines is studied.The basic properties of the resin acid value,epoxy acrylate structure,water contact angle,water absorption rate,electrochemical impedance,salt spray resistance,dynamic mechanical heat,and photocurable coating are investigated.The chemical impedance and salt spray resistance test results of the coating materials of four types of dicarboxylic acid epoxy acrylate modified resins show that the corrosion resistance of the coating materials exhibit a trend of gradually improving and then gradually decreasing with the increase of carbon chains.The study not only provides the anti-corrosion effect of succinic acid corrosion-resistant coating materials on chemical pipelines,but also compares the anti-corrosion performance of other dicarboxylic acids corrosion-resistant coating materials,providing a basis for the anti-corrosion research of chemical pipelines.

关 键 词：丁二酸 环氧丙烯酸酯改性材料树脂 电化学阻抗 耐盐雾 

分 类 号：TQ635.2[化学工程—精细化工]