Etheramine compounds
AssigneeHuntsman Petrochemical Corporation
InventorDonald H Champion
Life of this patent
Estimating the term…
Abstract
Embodiments described herein provide a compound that may be used in a variety of applications such as corrosion inhibition, additives for metalworking, mining reagents, epoxy curatives, emulsifiers, fuel or lubricant additives, surfactant manufacture, acid scavengers and asphalt additives. The compound has the following structure: where R1 is a methoxy group, R2, R3, R4 and R5 are independently a hydrogen atom or an alkyl group, and R6 is an aminomethyl group.
Claims11
An etheramine composition comprising:
- (i) a compound having the structure (I):
- wherein R1 is a hydrogen atom or a methoxy group,
- R2, R3, R4 and R5 are independently a hydrogen atom or an alkyl group, and
- R6 is an aminomethyl group;
- and
- (ii) a compound having the structure (III):
- wherein R6 has the structure
- R7 is a hydrogen atom or the same as R6,
- R1 is a hydrogen atom or a methoxy group, and
- R2, R3, R4 and R5 are independently a hydrogen atom or an alkyl group.
A composition comprising:
- (i) a compound having the structure:
- and
- (ii) a compound having the structure:
A method for curing an epoxy resin comprising contacting the epoxy resin with an etheramine compound selected from the group consisting of a compound having the structure:
- wherein R1 is a hydrogen atom or a methoxy group,
- R2, R3, R4 and R5 are independently a hydrogen atom or an alkyl group, and
- R6 is an aminomethyl group;
- a compound having the structure
- wherein R6 has the structure
- R7 is a hydrogen atom or the same as R6,
- R1 is a hydrogen atom or a methoxy group, and
- R2, R3, R4 and R5 are independently a hydrogen atom or an alkyl group;
- and
- a mixture thereof.
A method of silica flotation in iron beneficiation comprising contacting a mined ore comprising iron and silica with an etheramine compound selected from the group consisting of:
- a compound having the structure:
- wherein R1 is a hydrogen atom or a methoxy group,
- R2, R3, R4 and R5 are independently a hydrogen atom or an alkyl group, and
- R6 is an aminomethyl group;
- a compound having the structure
- wherein R6 has the structure
- R7 is a hydrogen atom or the same as R6,
- R1 is a hydrogen atom or a methoxy group, and
- R2, R3, R4 and R5 are independently a hydrogen atom or an alkyl group;
- and
- a mixture thereof.
Dependencies are inferred from the claim text.