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US 2012/0074358 A1Published application
Anticorrosion additives for manufacturing processes, a process for preparation thereof and use thereof
AssigneeRhein Chemie Rheinau GmbH
InventorsSandra Leimenstoll, Anke Blaul, Reinhard Stier, Isabell Lange, David Larem
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Abstract
The present invention relates to novel anticorrosion additives for manufacturing processes, comprising at least one triazole and the reaction product of at least one alkylene glycol and at least one carboxylic anhydride, to a process for preparation thereof and to the use thereof for corrosion protection for aluminium and/or aluminium alloys.
Claims8
An anticorrosion additive for aluminium and/or aluminium alloys in manufacturing processes, comprising:
- at least one triazole and
- the reaction product of at least one alkylene glycol and at least one carboxylic anhydride, wherein the ratio by weight of the at least one alkylene glycol to the at least one carboxylic anhydride is 0.7:2 to 1.3:2.
Dependencies are inferred from the claim text.