Green corrosion inhibitors - an overview

Rani, Amitha BE and Basu, Bharathibai J (2009) Green corrosion inhibitors - an overview. Technical Report. National Aerospace Laboratories, Bangalore, India.

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Abstract

Corrosion control of metals is an important activity of technical, economical, environmental and aesthetical importance. The use of inhibitors is one of the best options of protecting metals against corrosion. The toxicity of organic corrosion inhibitors to the environment has prompted the search for green corrosion inhibitors as they are biodegradable and do not contain heavy metals or other toxic compounds. Investigation of corrosion inhibiting abilities of tannins, alkaloids, organic, amino acids and organic dyes of plant origin is of interest, as in addition to being environmentally friendly and ecologically acceptable, plant products are inexpensive, readily available and renewable source of materials. Although substantial research has been devoted to corrosion inhibition by plant extracts parts on the detailed mechanisms of the adsorption process, identification of the active ingredients are scarce. In recent years, sol-gel coatings doped with inhibitors developed show real promise. This document describes an overview of the prior art in this area.

Item Type: Proj.Doc/Technical Report (Technical Report)
Uncontrolled Keywords: Corrosion inhibitors;Plants;Sol-gel
Subjects: AERONAUTICS > Aeronautics (General)
Division/Department: Knowledge & Technology Management Division, Surface Engineering Division
Depositing User: Ms. Alphones Mary
Date Deposited: 09 Aug 2010 13:31
Last Modified: 10 Aug 2010 10:56
URI: http://nal-ir.nal.res.in/id/eprint/8913

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