The principle of vapor phase corrosion inhibitor for rust prevention

Gas phase corrosion inhibitors use the atmosphere released by the volatilization of their substances to achieve the purpose of rust prevention

When the corrosion inhibitor evaporates onto the metal surface in a sealed container, it can decompose into functional groups with passivation properties under the action of water vapor in the air, such as: NO2—、 OH— And various organic cations; These functional groups have a passivating effect on the metal surface; Passivation of the metal surface achieves the purpose of rust prevention. Organic cations can also adsorb on the surface of metals to form a water increasing layer, which is used to resist the invasion of residual water and corrosive gases in the container, thereby slowing down the tendency of metals to corrode