高效缓蚀性氯化苄基喹啉衍生物制备与表征
发布时间：2018-11-17 11:55
【摘要】：随着油气田开发工艺的不断更新发展,酸化过程使用的酸液浓度越来越大,使用温度也越来越高,对于酸化缓蚀剂的性能提出了更高要求。研究中发现氯化苄基喹啉(BQC)在15%盐酸中对N80钢的缓蚀能力不佳,但BQC却能在碱性条件下生成具有高效缓蚀性能的氯化苄基喹啉衍生物(BQD)。当BQD的加剂量为0.05%时,就能使N80钢片在90℃下15%盐酸中的腐蚀速率降至3.1g/(m2·h),表现出了优异的缓蚀性能。用硅胶柱层析的方法分离得到了BQD并通过核磁共振1 H-NMR、13 C-NMR、DEPT分析以及液相色谱-质谱联机等技术表征了BQD的结构。结果表明,BQD是一种稠环季铵盐类化合物,其分子式为C32H23N2Cl。进一步提出了由两分子BQC经过Michael加成反应得到BQD的反应过程,并从构效关系角度对BQD的优异缓蚀性能进行了探讨。
[Abstract]:With the development of oil and gas field development process, the acid concentration used in acidizing process is more and more high, and the application temperature is higher and higher, so the performance of acidizing inhibitor is required more and more. It was found that benzyl quinoline chloride (BQC) has poor corrosion inhibition ability to N80 steel in 15% hydrochloric acid, but BQC can produce benzyl quinoline chloride derivative (BQD). With high corrosion inhibition property under alkaline condition. When the dosage of BQD is 0.05, the corrosion rate of N80 steel sheet in 15% hydrochloric acid at 90 鈩，
本文编号：2337692
[Abstract]:With the development of oil and gas field development process, the acid concentration used in acidizing process is more and more high, and the application temperature is higher and higher, so the performance of acidizing inhibitor is required more and more. It was found that benzyl quinoline chloride (BQC) has poor corrosion inhibition ability to N80 steel in 15% hydrochloric acid, but BQC can produce benzyl quinoline chloride derivative (BQD). With high corrosion inhibition property under alkaline condition. When the dosage of BQD is 0.05, the corrosion rate of N80 steel sheet in 15% hydrochloric acid at 90 鈩，
本文编号：2337692
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