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Benzotriazole is an effective corrosion inhibitor for copper and its alloys by preventing undesirable surface reactions. It is known that a passive layer, consisting of a complex between copper and benzotriazole, is formed when copper is immersed in a solution containing benzotriazole.
The effectiveness of a corrosion inhibitor depends on fluid composition and dynamics. Corrosion inhibitors are common in industry, and also found in over-the-counter products, typically in spray form in combination with a lubricant and sometimes a penetrating oil. They may be added to water to prevent leaching of lead or copper from pipes. [2]
The mechanism for copper begins the same as for steel, evolution of the inhibitor. Once at the copper surface however, the inhibitor will form a copper benzotriazole complex which is protective. [9] Vapor pressure is a critical parameter in VCI effectiveness. The most favorable range of pressure is 10 −3 to 10 −2 Pa at room temperature ...
Chemical fouling inhibitors; Chromate conversion coating; Chrome plating; Concentric objects; Conservation and restoration of outdoor bronze objects; Conservation and restoration of silver objects; Copper in heat exchangers; Copper–copper(II) sulfate electrode; Corrosion engineering; Corrosion inhibitor; Corrosion inhibitors for the petroleum ...
It is used as a corrosion inhibitor, a metal complex solution, a solvent stabilizer and an electroplating brightener additive. It is also used as an intermediate in organic synthesis . Secondary and tertiary substituted propargylic alcohols undergo catalyzed rearrangement reactions to form α,β-unsaturated carbonyl compounds via the Meyer ...
Webb then set up a competitor company in Philadelphia, Corrosion Reaction Consultants, Inc., and hired away Rocket president Norman Larsen to lead it. [3] In 1960 it consisted of Larsen, two chemists and five staff. [4] Its first product was CRC Corrosion Inhibitor, also called 5–56, a product comparable to WD-40. The product was reformulated ...
Chromate conversion coating or alodine coating is a type of conversion coating used to passivate steel, aluminium, zinc, cadmium, copper, silver, titanium, magnesium, and tin alloys. [ 1 ] : p.1265 [ 2 ] The coating serves as a corrosion inhibitor , as a primer to improve the adherence of paints and adhesives , [ 2 ] as a decorative finish, or ...
Dinonylnaphthylsulfonic acid is used as an additive in industrial lubricants, greases, cutting fluids, industrial coatings, and corrosion inhibitors. Its calcium and barium salts (CAS numbers 57855-77-3 and 25619-56-1 , respectively) have generally the same use.
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