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Influence of Hydroxyl Groups on the Inhibitive Corrosion of Gemini Surfactant for Carbon Steel.
ACS Omega ( IF 3.7 ) Pub Date : 2020-02-04 , DOI: 10.1021/acsomega.9b02989 Chengxian Yin 1 , Minjian Kong 2 , Juantao Zhang 1 , Yuan Wang 1 , Qingwei Ma 1 , Qibin Chen 2 , Honglai Liu 2
ACS Omega ( IF 3.7 ) Pub Date : 2020-02-04 , DOI: 10.1021/acsomega.9b02989 Chengxian Yin 1 , Minjian Kong 2 , Juantao Zhang 1 , Yuan Wang 1 , Qingwei Ma 1 , Qibin Chen 2 , Honglai Liu 2
Affiliation
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The corrosion inhibition performance of propanediyl-1,3-bis(N,N-dimethyl-N-dodecylammonium bromide) and propanediyl-1,3-bis(N,N-dihydroxyethyl-N-dodecylammonium bromide), abbreviated as PDDB and PDHDB, respectively, for carbon steel in 1.0 mol·L-1 hydrochloric acid solution was investigated using the gravimetric method and various electrochemical techniques, together with scanning electron microscopy and energy-dispersive spectrometry. Results show that PDHDB always has a better inhibition performance relative to PDDB, which can be attributed to the introduction of hydroxyl groups at the hydrophilic headgroups, thereby causing an extra interaction between inhibitors and the metal surface and favoring its adsorption. These findings highlight that the modification to the headgroups of Gemini-type inhibitors may be another effective approach to improving their inhibition performance.
中文翻译：
羟基对双子表面活性剂对碳钢缓蚀性能的影响。
丙二基-1,3-双（N，N-二甲基-N-十二烷基溴化铵）和丙二基-1,3-双（N，N-二羟乙基-N-十二烷基溴化铵）的缓蚀性能，简称PDDB和PDHDB采用重量分析法和多种电化学技术，结合扫描电子显微镜和能谱仪，分别研究了碳钢在1.0mol·L-1盐酸溶液中的含量。结果表明，相对于PDDB，PDHDB始终具有更好的抑制性能，这可以归因于在亲水性头基处引入羟基，从而导致抑制剂与金属表面之间发生额外的相互作用并有利于其吸附。
更新日期：2020-02-18
中文翻译：
羟基对双子表面活性剂对碳钢缓蚀性能的影响。
丙二基-1,3-双（N，N-二甲基-N-十二烷基溴化铵）和丙二基-1,3-双（N，N-二羟乙基-N-十二烷基溴化铵）的缓蚀性能，简称PDDB和PDHDB采用重量分析法和多种电化学技术，结合扫描电子显微镜和能谱仪，分别研究了碳钢在1.0mol·L-1盐酸溶液中的含量。结果表明，相对于PDDB，PDHDB始终具有更好的抑制性能，这可以归因于在亲水性头基处引入羟基，从而导致抑制剂与金属表面之间发生额外的相互作用并有利于其吸附。
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