Aqueous liquids containing an organic compound and an n-(2-hydroxyalkyl) substituted n-alkylamine
AssigneeTaminco
InventorsMichael David Gernon, Kurt Buyse
Life of this patent
Estimating the term…
Abstract
Aqueous liquids containing an organic compound and an N-(2-hydroxyalkyl) substituted N-alkylamine, which can be used in emulsion lubricants, emulsion coolants and metalworking fluids resulting in excellent biostability, emulsion stability and overall performance.
Claims16
A liquid containing water, an organic compound which forms a biphasic system with water and at least 100 mg/kg of a tertiary alkanolamine of the following formula (I):
- R—CH(OH)CH2—NR′—CH2CH(OH)—R″ (I)
- wherein:
- R=hexyl, pentyl, butyl, propyl, ethyl or a structural isomer of hexyl, pentyl, butyl or propyl
- R′=butyl, sec-butyl, isobutyl, tert-butyl, propyl, isopropyl or ethyl
- R″═H or methyl or hexyl, pentyl, butyl, propyl, ethyl or a structural isomer of hexyl, pentyl, butyl or propyl.
A method for increasing the physical stability of an emulsion comprising employing a tertiary amine of formula (I)
- R—CH(OH)CH2—NR′—CH2CH(OH)—R″ (I)
- wherein:
- R=hexyl, pentyl, butyl, propyl, ethyl or a structural isomer of hexyl, pentyl, butyl or propyl
- R′=butyl, sec-butyl, isobutyl, tert-butyl, propyl, isopropyl or ethyl
- R″═H or methyl or hexyl, pentyl, butyl, propyl, ethyl or a structural isomer of hexyl, pentyl, butyl or propyl in an emulsion.
A method for inhibiting microbial growth in a liquid comprising employing a tertiary amine of formula (I)
- R—CH(OH)CH2—NR′—CH2CH(OH)—R″ (I)
- wherein:
- R=hexyl, pentyl, butyl, propyl, ethyl or a structural isomer of hexyl, pentyl, butyl or propyl
- R′=butyl, sec-butyl, isobutyl, tert-butyl, propyl, isopropyl or ethyl
- R″═H or methyl or hexyl, pentyl, butyl, propyl, ethyl or a structural isomer of hexyl, pentyl, butyl or propyl in a liquid
Dependencies are inferred from the claim text.