The Alchemist’s Guide to Coatings: Transmuting Challenges Into Opportunities With Advanced Testing Kits



Last updated: October 30, 2018

What Does Alkynes Mean?

Alkynes are organic compounds identified by at least one triple bond in their end or within their structure. Their number of hydrogen atoms is twice the carbon constituent subtracted by two. The hydrogen atoms on the compound can be easily detached by a base material of metal (electrophile).

Therefore, knowledge of the various alkynes' reactions helps in prevention of corrosion, which may occur alkynes are in contact with metal.


Corrosionpedia Explains Alkynes

Just like alkenes, the alkynes contain overlaps of the carbon orbitals, thus creating a weak region between the carbon atoms. This region is where the electron pair are situated and the bonds formed within these regions are pi bonds. Pi bonds are weaker than sigma bonds, therefore the reactivity of alkynes ensures that the sigma bonds are produced so that the structure is strong and stable.

Alkynes are reactive in that they can go through addition and reduction reactions. The acidity of alkynes might be weak, but the addition reaction that it undergoes with a metal surface initiates the corrosion process. Some types of alkynes like acetylene or ethyne can burn in oxygen to form water and carbon monoxide, which are necessities of corrosion. Certain polymers of the alkynes can be used as corrosion inhibitors (cathodes).


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