abstract |
Disclosed is a bis[urea-urethane] compound of the formulan nwherein R 1 and R 1 ' each, independently of the other, is an alkyl group, wherein at least one of R 1 and R 1 ' has at least about 6 carbon atoms, R 2 and R 2 ' each, independently of the other, is an alkylene group, wherein at least one of R 2 and R 2 ' has at least about 3 carbon atoms, R 3 is an alkylene group having at least about 2 carbon atoms, and R 4 and R 5 each, independently of the other, is a hydrogen atom or an alkyl group, and wherein R 1 and R 1 ' each contain no more than 2 fully fluorinated carbon atoms. |