The versatile applicability of surfactants is well known. The amphiphilicAmphiphilic molecularMolecular structureMolecular structure ofStructure surfactantsSurfactant makes them employable in variousIndustrial applications industrialIndustrial applicationsApplication. SurfactantsSurfactant find immense applicationsApplication in the corrosionCorrosion inhibitionCorrosion inhibition ofInhibition metals and alloysAlloy. The polarPolar head groupPolar head group of surfactants facilitates their absorptionAbsorption on the metalMetal surfacesMetal surface. In contrast, the non-polarNon-polar hydrophobicHydrophobic moietyAmphiphilic moieties formsHydrophobic moiety a protective layerProtective layer above it, thus protecting the metallicSurface surfaceMetallic surface by repellingWater molecule waterWater moleculesMolecule present in the environment. The protective hydrophobicHydrophobic layer intervenes in the corrosionCorrosion reaction by forming a diffusionDiffusion barrierDiffusion barrier or by blocking reactionBlocking reaction onto both of the electrodesElectrode and thus prevents the transportTransport of waterWater and other corrosiveCorrosive activeCorrosive activity species. Until now, a wide range of surfactantsSurfactant has been studied for their betterProperties corrosionCorrosion inhibitionCorrosion inhibition propertiesInhibition properties. ThisInhibition chapter explores the advances in the synthesisSynthesis, propertiesProperties, and applicationsApplication of surfactantsSurfactant-based corrosionCorrosion inhibitorsCorrosion inhibitor. A comprehensiveInhibitor overview on the monomericMonomeric and polymeric surfactantsPolymeric surfactant, Gemini surfactants, and biosurfactantsBiosurfactant and their application in corrosionCorrosion inhibitionCorrosion inhibition isInhibition discussed. The role of some of the environmentally benignEnvironmentally-benign and biodegradableBiodegradable surfactantsBiodegradable surfactant in corrosion inhibitionCorrosion inhibition is also described.

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Advances in Surfactants as Inhibitors for Corrosion Protection

  • Divya Bajpai Tripathy,
  • Dheeraj Singh Chauhan,
  • M. A. Quraishi

摘要

The versatile applicability of surfactants is well known. The amphiphilicAmphiphilic molecularMolecular structureMolecular structure ofStructure surfactantsSurfactant makes them employable in variousIndustrial applications industrialIndustrial applicationsApplication. SurfactantsSurfactant find immense applicationsApplication in the corrosionCorrosion inhibitionCorrosion inhibition ofInhibition metals and alloysAlloy. The polarPolar head groupPolar head group of surfactants facilitates their absorptionAbsorption on the metalMetal surfacesMetal surface. In contrast, the non-polarNon-polar hydrophobicHydrophobic moietyAmphiphilic moieties formsHydrophobic moiety a protective layerProtective layer above it, thus protecting the metallicSurface surfaceMetallic surface by repellingWater molecule waterWater moleculesMolecule present in the environment. The protective hydrophobicHydrophobic layer intervenes in the corrosionCorrosion reaction by forming a diffusionDiffusion barrierDiffusion barrier or by blocking reactionBlocking reaction onto both of the electrodesElectrode and thus prevents the transportTransport of waterWater and other corrosiveCorrosive activeCorrosive activity species. Until now, a wide range of surfactantsSurfactant has been studied for their betterProperties corrosionCorrosion inhibitionCorrosion inhibition propertiesInhibition properties. ThisInhibition chapter explores the advances in the synthesisSynthesis, propertiesProperties, and applicationsApplication of surfactantsSurfactant-based corrosionCorrosion inhibitorsCorrosion inhibitor. A comprehensiveInhibitor overview on the monomericMonomeric and polymeric surfactantsPolymeric surfactant, Gemini surfactants, and biosurfactantsBiosurfactant and their application in corrosionCorrosion inhibitionCorrosion inhibition isInhibition discussed. The role of some of the environmentally benignEnvironmentally-benign and biodegradableBiodegradable surfactantsBiodegradable surfactant in corrosion inhibitionCorrosion inhibition is also described.