Verma Chandrabhan, Goni Lipiar K M O, Yaagoob Ibrahim Y, Vashisht Hemlata, Mazumder Mohammad A J, Alfantazi Akram
Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, Saudi Arabia.
Chemistry Department, King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia.
Adv Colloid Interface Sci. 2023 Aug;318:102966. doi: 10.1016/j.cis.2023.102966. Epub 2023 Jul 20.
Surfactants are well known for their colloidal and corrosion inhibition potential (CIP) due to their strong propensity to interact with metallic surfaces. However, because of their small molecular size and the fact that they are only effective at relatively high concentrations, their application in aqueous phase corrosion inhibition is often restricted. Polymeric surfactants, a unique class of corrosion inhibitors, hold the potential to eradicate the challenges associated with using surfactants in corrosion inhibition. They strongly bond with the metallic surface and offer superior CIP because of their macromolecular polymeric structure and abundance of polar functional groups. In contrast to conventional polymeric corrosion inhibitors, the inclusion of polar functional groups also aids in their solubilization in the majority of popular industry-based electrolytes. Some of the major functional groups present in polymeric surfactants used in corrosion mitigation include O (ether), glycidyl (cyclic ether), -CONH (amide), -COOR (ester), -SOH (sulfonic acid), -COOH (carboxyl), -NH (amino), - NR/- NHR/- NHR/- NH (quaternary ammonium), -OH (hydroxyl), -CHOH (hydroxymethyl), etc. The current viewpoint offers state-of-the-art information on polymer surfactants as newly developing ideal alternatives for conventional corrosion inhibitors. The industrial scale-up, colloidal, coordination, adsorption properties, and structural requirements of polymer surfactants have also been established based on the knowledge obtained from the literature. Finally, the challenges, drawbacks, and potential benefits of using polymer surfactants have also been discussed.
表面活性剂因其与金属表面强烈的相互作用倾向而具有胶体性质和缓蚀潜力（CIP），这是众所周知的。然而，由于其分子尺寸小，且仅在相对高的浓度下才有效，它们在水相缓蚀中的应用常常受到限制。聚合物表面活性剂作为一类独特的缓蚀剂，有潜力消除与在缓蚀中使用表面活性剂相关的挑战。它们与金属表面牢固结合，并因其大分子聚合物结构和丰富的极性官能团而具有优异的CIP。与传统的聚合物缓蚀剂相比，极性官能团的存在也有助于它们在大多数流行的工业电解质中的溶解。用于缓蚀的聚合物表面活性剂中存在的一些主要官能团包括O（醚）、缩水甘油基（环醚）、-CONH（酰胺）、-COOR（酯）、-SOH（磺酸）、-COOH（羧基）、-NH（氨基）、-NR/-NHR/-NHR/-NH（季铵）、-OH（羟基）、-CHOH（羟甲基）等。当前的观点提供了关于聚合物表面活性剂作为传统缓蚀剂新出现的理想替代品的最新信息。基于从文献中获得的知识，聚合物表面活性剂的工业放大、胶体、配位、吸附性质和结构要求也已确定。最后，还讨论了使用聚合物表面活性剂的挑战、缺点和潜在益处。
