Toners for polyesters

Claim 1

A molding or fiber grade polyester having copolymerized therein, in an amount sufficient to improve the apparent whiteness of the polyester, at least one blue 1,4-bis(2,6-dialkylanilino) anthraquinone compound of Formula (I) ##STR52## wherein: R is selected from the group consisting of hydrogen, C 1 -C 6 alkyl, halogen, carboxy, and C 1 -C 6 ##STR53## R 1 and R 2 are independently C 1 -C 6 -alkyl; R 3 is selected from the group consisting of hydrogen, halogen, C 1 -C 6 -alkyl, substituted C 1 -C 6 alkyl, hydroxy, C 1 -C 6 -alkoxy, substituted C 1 -C 6 -alkoxy, cyano, thiocyano, C 1 -C 6 -alkylthio, substituted C 1 -C 6 -alkylthio, C 1 -C 6 -alkylsulfonyl, substituted C 1 -C 6 -alkylsulfonyl, C 1 -C 6 -alkoxycarbonyl, carboxy, aryloxy, arylthio, arylsulfonyl, and SO 2 N(R 4 )R 5 X when m and/or n are zero; R 4 is selected from the group consisting of hydrogen, C 1 -C 6 -alkyl, substituted C 1 -C 6 -alkyl, C 3 -C 8 -alkenyl, C 3 -C 8 -alkynyl, C 3 -C 7 -cycloalkyl and aryl; R 5 is a linking group selected from the group consisting of C 1 -C 8 -alkylene, C 1 -C 6 -alkylene-Z--C 1 -C 6 -alkylene, arylene-C 1 -C 6 -alkylene, arylene-Z--C 1 -C 6 alkylene, C 3 -C 7 -cycloalkylene, C 1 -C 6 -alkylene-cycloalkylene-C 1 -C 6 -alkylene, C 1 -C 6 -alkylene-arylene-C 1 -C 6 -alkylene, and C 1 -C 6 -alkylene-Z-arylene-Z--C 1 -C 6 -alkylene, wherein Z is selected from --O--, --S-- and SO 2 ; X is hydrogen or a polyester reactive group; and m and n are independently 0 or 1; with the proviso that at least one polyester reactive group is present; along with at least one red anthraquinone or anthrapyridone compound selected from formulae (II)-(X) below: ##STR54## wherein: R 6 is selected from the group consisting of hydrogen, C 1 -C 6 -alkyl, substituted C 1 -C 6 -alkyl, C 3 -C 7 -cycloalkyl and aryl; R 7 is hydrogen or one to three groups selected from C 1 -C 6 -alkyl, C 1 -C 6 -substituted alkyl, C 1 -C 6 -alkanoylamino, halogen, C 1 -C 6 -alkyl C 1 -C 6 -alkoxy, C 1 -C 6 -alkylthio; R 8 and R 9 are the same or different and are selected from the group consisting of C 1 -C 6 -alkyl, substituted C 1 -C 6 -alkyl, C 3 -C 7 -cycloalkyl and aryl; R 10 is selected from the group consisting of C 1 -C 6 -alkyl, C 3 -C 7 -cycloalkyl and aryl; R 11 is selected from the group consisting of hydrogen, C 1 -C 12 -alkyl, substituted C 1 -C 12 -alkyl, C 3 -C 7 -cycloalkyl and aryl; R 12 is hydrogen or one to three groups selected from the group consisting of C 1 -C 6 -alkyl, substituted C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy, substituted C 1 -C 6 -alkoxy, C 1 -C 6 -alkylthio, substituted C 1 -C 6 -alkylthio, halogen, hydroxy, C 1 -C 6 -alkanoylamino, aroylamino, C 1 -C 6 -alkylsulfonylamino and arylsulfonylamino; R 13 and R 14 are selected from hydrogen, cyano and CO 2 R 10 ; R 15 is R 4 or R 5 X as previously defined; L is --CO-- or --SO 2 --; X is as previously defined; m is 0 or 1; and p is 1 or 2; with the provisos that R 13 is hydrogen when m is 0 and at least one polyester reactive group is present.