| abstract |
A compound having the following formula: R1-R2 - (- R3) s where s is 1-20; R1 is selected from the group consisting of -NH2, -OH, and -SH; R2 is selected from the group consisting of alkylene, alkoxylene, alkenylene, alkynylene, cycloalkylene, heterocycloalkylene, arylene, aryleneoxy, amido, and a combination thereof; and R3 is ** (See formula ** where R4, R5 and R6 are the same or different and are selected from the group consisting of: ** (See formula) ** and where Z is -NCS, -F, -CI, -Br or -I. |