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US 2011/0212864 A1Published application
Benzotriazole compositions
OwnerIsabelle RAPENNE-JACOB, Samuel EVANS +2inventors
InventorsIsabelle RAPENNE-JACOB, Samuel EVANS, Peter ROHRBACH, Martin VON BÜREN
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Abstract
The invention relates to novel (benzo)triazole compositions comprising mixtures of benzotriazoles and N-substituted benzotriazoles in functional liquids, e.g. mineral oil. The mixtures can be prepared from readily obtainable starting materials, such as tolutriazole (TTA), alkyl aldehydes and cycloalkanols. The invention furthermore relates to a process for protecting metals, which are in contact with functional liquids comprising the mixtures.
Claims19
A composition comprising
- A) A mixture consisting essentially of
- a) A benzotriazole compound of formula (I′) or (I″)
- Wherein R1 represents hydrogen or C1-C4 alkyl;
- R2 represents C1-C8alkyl or a substituent selected from the group consisting of C1-C12alkyl, C5-C7cycloalkyl, (C1-C4alkyl)1-3C5-C7cycloalkyl and C5-C7cycloalkyl-C1-C4alkyl;
- and
- R3 represents hydrogen or a substituent selected from the group consisting of C1-C12alkyl, C5-C7cycloalkyl and, (C1-C4alkyl)1-3C5-C7cycloalkyl, C5-C7cycloalkyl-C1-C4alkyl, phenyl, phenyl-C1-C4alkyl, (C1-C4alkyl)1-3phenyl and (C1-C4alkyl)1-3phenyl-C1-C4alkyl;
- b) A benzotriazole compound of formula (II)
- Wherein R1 represents hydrogen or C1-C4alkyl, and
- wherein the weight ratio of b) to a) is from 0.052 to 0.215;
- and
- c) A triazole compound of formula (III′)
- Wherein R1 represents hydrogen or C1-C4alkyl;
- R2 represents a substituent selected from the group consisting of C1-C12alkyl, C5-C7cycloalkyl, (C1-C4alkyl)1-3C5-C7cycloalkyl and C5-C7cycloalkyl-C1-C4alkyl;
- and
- R3 represents hydrogen or a substituent selected from the group consisting of C1-C12alkyl, C5-C7cycloalkyl, (C1-C4alkyl)1-3C5-C7cycloalkyl, C5-C7cycloalky phenyl, phenyl-C1-C4alkyl, (C1-C4alkyl)1-3phenyl and (C1-C4alkyl)1-3phenyl-C1-C4alkyl;
- and
- B) A functional fluid selected from the group consisting of lubricants, hydraulic agents, metal working fluids and coating agents.
14 more elements
A composition comprising
- A) A mixture consisting essentially of
- a) A benzotriazole compound of formula (I′)
- Wherein
- R1 represents hydrogen or methyl;
- R2 represents C1-C8alkyl or C5-C7cycloalkyl;
- R3 represents hydrogen or a substituent selected from the group consisting of C1-C8alkyl, C5-C7cycloalkyl and phenyl;
- and
- b) A benzotriazole compound of formula (II)
- Wherein R1 represents hydrogen or methyl and
- wherein the weight ratio of b) to a) is from 0.052 to 0.215;
- and
- B) A functional fluid selected from the group consisting of lubricants, hydraulic agents, metal working fluids and coating agents.
9 more elements
A mixture comprising
- a) A benzotriazole compound of formula (I′) or (I″)
- Wherein R1 represents hydrogen or C1-C4 alkyl;
- R2 represents C1-C8alkyl or a substituent selected from the group consisting of C1-C12alkyl, C5-C7cycloalkyl, (C1-C4alkyl)1-3C5-C7cycloalkyl and C5-C7cycloalkyl-C1-C4alkyl;
- and
- R3 represents hydrogen or a substituent selected from the group consisting of C1-C12alkyl, C5-C7cycloalkyl and, (C1-C4alkyl)1-3C5-C7cycloalkyl, C5-C7cycloalkyl-C1-C4alkyl, phenyl, phenyl-C1-C4alkyl, (C1-C4alkyl)1-3phenyl and (C1-C4alkyl)1-3phenyl-C1-C4alkyl;
- b) A benzotriazole compound of formula (II)
- Wherein R1 represents hydrogen or C1-C4alkyl, and
- wherein the weight ratio of b) to a) is from 0.052 to 0.215;
- and
- c) A triazole compound of formula (III′)
- Wherein R1 represents hydrogen or C1-C4alkyl;
- R2 represents a substituent selected from the group consisting of C1-C12alkyl, C5-C7cycloalkyl, (C1-C4alkyl)1-3C5-C7cycloalkyl and C5-C7cycloalkyl-C1-C4alkyl;
- and
- R3 represents hydrogen or a substituent selected from the group consisting of C1-C12alkyl, C5-C7cycloalkyl, (C1-C4alkyl)1-3C5-C7cycloalkyl, C5-C7cycloalkyl-C1-C4alkyl, phenyl, phenyl-C1-C4alkyl, (C1-C4alkyl)1-3phenyl and (C1-C4alkyl)1-3phenyl-C1-C4alkyl.
11 more elements
Dependencies are inferred from the claim text.