| abstract |
Lubricant compositions comprise a block copolymer having a first block comprising polymerised units of an alkylene oxide and a second block comprising polymerised units of an alkylene oxide and a lactone; or a copolymer comprising polymerised units of one or more alkylene oxides, one or more lactones, and a monofunctional initiator; and a corrosion inhibitor. Also provided is the use of a copolymer comprising polymerised units of one or more alkylene oxides, one or more lactones, and a monofunctional initiator, as a lubricant. |