Patent ID: 7196206

Claim:
A compound represented by the following formula (I), X—R 1 Ar n R 2 (I) wherein, n is a whole number from 4 to 10, Ar is, independently for each n, a member selected from the group consisting of 1,4-phenylene, substituted 1,4-phenylene, 2,7-fluorenylene, substituted 2,7-fluorenylene, 2,5-thienylene, substituted 2,5-thienylene, 1,2-ethenylene and substituted 1,2-ethenylene, wherein the substituents of the substituted 1,4-phenylene, substituted 2,7-fluorenylene, substituted 2,5-thienylene and substituted 1,2-ethenylene are each independently selected from at least one member of the group consisting of hydrogen, linear or branched C 1 –C 20 alkyl radicals and linear or branched C 1 –C 20 alkyl radicals interrupted by at least one O atom, R 1 is selected from the group consisting of C 3 –C 30 alkylene group, C 3 –C 30 alkylene group interrupted by at least one O atom, C 3 –C 30 alkylene group interrupted by at least one S atom, silylene groups, phosphonoyl groups, and phosphoryl groups, R 2 is selected from the group consisting of H, a linear or branched C 1 –C 20 alkyl group, a linear C 1 –C 20 alkyl group interrupted by at least one O atom, a linear C 1 –C 20 alkyl group interrupted by at least one S atom, silylene groups, phosphonoyl groups and phosphoryl groups, and X is selected from the group consisting of vinyl, chlorine, iodine, hydroxyl, alkoxy group having 1 to 3 carbon atoms, alkoxysilyl, silyl, chlorosilyl, siloxane, hydroxy, carboxy, methyl carbonate, ethyl carbonate, aldehyde, methyl carbonyl, amino, amido, sulfone, sulfonic acid, halosulfonyl, sulfonate, phosphonic acid, phosphonate, trichloromethyl, tribromomethyl, cyanate, isocyanate, thiocyanate, isothiothiocyanate, cyano and nitro group.