A method of making antidegradant compounds is disclosed, in which a p-phenylenediamine is reacted with an alpha-hydroxy carbonyl compound to thereby obtain an enediamine, which is reduced to thereby obtain a mixture comprising the antidegradant compound.
Methods of making compounds having antidegradant and antifatigue efficacy
2018-12-25
Patent
Elektronische Ressource
Englisch
IPC: | C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS , Acyclische oder carbocyclische Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / C10L FUELS NOT OTHERWISE PROVIDED FOR , Anderweitig nicht vorgesehene Brennstoffe / C10M LUBRICATING COMPOSITIONS , Schmiermittelzusammensetzungen |
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