摘要
分别以苯胺(AN)和间氨基酚(m AP)为单体、乙酸(Ac OH)与对甲氧基苯乙酸(MOPAc)为掺杂酸、Fenton(Fe^2+/H2O2)试剂为引发剂,合成了Ac OH-PANI、AcOH-PmAP、MOPAc-PmAP、MOPAc-PANI防腐纳米材料。采用FTIR、UV-Vis、XRD、SEM及粒度分布对聚合物防腐材料的形貌、结构进行了表征。结果表明:以对甲氧基苯乙酸为掺杂酸制备出的聚合物粒径分布均匀且溶解度好。电化学测试表明:该聚合物为阴极为主的混合型缓蚀剂,且缓蚀效率遵循:MOPAc-PmAP>AcOH-PmAP>MOPAc-PANI>AcOH-PANI。MOPAc-PmAP、Ac OH-PmAP分别与吐温80(Tween80)复配的电化学测试结果表明:当缓蚀剂质量浓度为100mg/L,吐温80质量浓度为50 mg/L时,MOPAc-Pm AP-Tween80体系防腐效果最佳,相比未添加Tween80的样品(71.04%)缓蚀效率高达94.66%。说明MOPAc-PmAP与吐温80表现出了优异的协同作用。
A series of anti-corrosion nanomaterials,AcOH-PANI,AcOH-PmAP,MOPAc-PmAP and MOPAcPANI were synthesized by using aniline(AN)and m-aminophenol(mAP)as monomers,acetic acid(AcOH)and p-methoxyphenylacetic acid(MOPAc)as doped acids,Fenton(Fe^2+/H2O2)reagent as initiator.The morphology and structure of the polymer materials were characterized by FTIR,UV-Vis,XRD,SEM and particle size analyzer.The results showed that the polymer prepared by using p-methoxyphenylacetic acid as doped acid had uniform particle size distribution and good solubility.Electrochemical tests suggested that the polymer was a cathode-based mixed corrosion inhibitor,and the corrosion inhibition efficiency followed the order MOPAc-PmAP>AcOH-PmAP>MOPAc-PANI>AcOH-PANI.MOPAc-PmAP and Ac OH-Pm AP,in presence of Tween80,showed better anticorrosion properties.Especially,when the mass concentration of corrosion inhibitor was 100 mg/L and that of Tween80 was 50 mg/L,the system of MOPAc-PmAP-Tween80 had the outstanding corrosion inhibition efficiency as high as 94.66%,which was higher than the system in absence of Tween80(71.04%),indicating that there was excellent synergism between MOPAc-PmAP and Tween80.
作者
高腾
刘颖
张维维
隋颜泽
吴彦超
GAO Teng;LIU Ying;ZHANG Wei-wei;SUI Yan-ze;WU Yan-chao(School of Marine Science and Technology,Harbin Institute of Technology,Weihai 264200,Shandong,China)
出处
《精细化工》
EI
CAS
CSCD
北大核心
2019年第7期1301-1307,1333,共8页
Fine Chemicals
基金
山东省自然科学基金(2015ZRA10064)
关键词
聚苯胺
聚氨基酚
极化曲线
纳米颗粒
缓蚀剂
功能材料
polyaniline
polyaminophenol
polarization curve
nanoparticles
corrosion inhibitor
functional materials
