Method for preparing light-absorbing polymeric compositions

A colored light absorbing composition having the formula

• wherein A1 comprises the residue of at least one diacidic monomer having a light absorption maximum between about 325 nm and about 1100 nm, and wherein B is a divalent organic radical selected from the group consisting of C2-C12 alkylene, C3-C8 cycloalkylene, C1-C4 alkylene-C3-C8-cycloalkylene-C1-C4 alkylene, C1-C4 alkylene-arylene-C1-C4 alkylene, and C2-C4-alkylene-L-arylene-L—C2-C4 alkylene and C2-C4 alkylene-(L—C2-C4 alkylene)1-4, wherein L is a linking group selected from —O—, —S—, —SO2—, —NH—, —N(C1-C6 alkyl)-, —N(aryl)-, —N(SO2 C1-C6 alkyl)-, —N(SO2aryl)-, —SO2N(C1-C6 alkyl)- and combinations thereof;
• wherein n is at least 2 and wherein at least one of said diacidic monomer comprises at least about 50% by weight of the total composition.

A light absorbing composition having the formula

• wherein A1 comprises the residue of at least one diacidic monomer having a light absorption maximum between about 325 nm and about 1100 nm, and wherein B is a divalent organic radical selected from the group consisting of C2-C12 alkylene, C3-C8 cycloalkylene, C1-C4 alkylene-C3-C8-cycloalkylene-C1-C4 alkylene, C1-C4 alkylene-arylene-C1-C4 alkylene, and C2-C4-alkylene-L-arylene-L—C2-C4 alkylene and C2-C4 alkylene-(L—C2-C4 alkylene)1-4, wherein L is a linking group selected from —O—, —S—, —SO2—, —NH—, —N(C1-C6 alkyl)-, —N(aryl)-, —N(SO2C1-C6 alkyl)-, —N(SO2aryl)-, —SO2N(C1-C6 alkyl)- and combinations thereof;
• wherein n is at least 2 and wherein at least one of said diacidic monomer comprises at least about 50% by weight of the total composition, wherein said light absorbing monomer comprises two 1(H)-1,2,4-triazol-3-ylthio groups as acidic functional groups.

A light absorbing composition having the formula

• wherein A1 comprises the residue of at least one diacidic monomer having a light absorption maximum between about 325 nm and about 1100 nm, and wherein B is a divalent organic radical selected from the group consisting of C2-C12 alkylene, C3-C8 cycloalkylene, C1-C4 alkylene-C3-C8-cycloalkylene-C1-C4 alkylene, C1-C4 alkylene-arlene-C1-C4 alkylene, and C2-C4-alkylene-L-arylene-L—C2-C4 alkylene and C2-C4 alkylene-(L—C2-C4 alkylene)1-4, wherein L is a linking group selected from —O—, —S—, —SO2—, —NH—, —N(C1-C6 alkyl)-, —N(aryl)-, —N(SO2C1-C6 alkyl)-, —N(SO2aryl)-, SO2N(C1-C6 alkyl)- and combinations thereof;
• wherein n is at least 2 and wherein at least one said diacidic monomer comprises at least about 50% by weight of the total compostion, wherein said light absorbing monomer comprises one carboxy and one 1(H)-1,2,4-triazol-3-ylthio group as acidic functional groups.

A light absorbing composition having the formula

• wherein A1 comprises the residue of at least one diacidic monomer having a light absorption maximum between about 325 nm and about 1100 nm, and wherein B is a divalent organic radical selected from the group consisting of C2-C12 alkylene, C3-C8 cycloalkylene, C1-C4 alkylene-C3-C8-cycloalkylene-C1-C4 alkylene, C1-C4 alkylene-arylene-C1-C4 alkylene, and C2-C4-alkylene-L-arylene-L—C2-C4 alkylene and C2-C4 alkylene-(L—C2-C4 alkylene)1-4, wherein L is a linking group selected from —O—, —S—, —SO2—, —NH—, —N(C1-C6 alkyl)-, —N(aryl)-, —N(SO2C1-C6 alkyl)-, —N(SO2aryl)-, —SO2N(C1-C6 alkyl)- and combinations thereof;
• wherein n is at least 2 and wherein at least one of said diacidic monomer comprises at least about 50% by weight of the total composition, wherein said light absorbing monomer comprises one imide group and one carboxy group.

A light absorbing composition having the formula

• wherein A1 comprises the residue of at least one diacidic monomer having a light absorption maximum between about 325 nm and about 1100 nm, and wherein B is a divalent organic radical selected from the group consisting of C2-C12 alkylene, C3-C8 cycloalkylene, C1-C4 alkylene-C3-C8-cycloalkylene-C1-C4 alkylene, C1-C4 alkylene-arylene-C1-C4 alkylene, and C2-C4-alkylene-L-arylene-L—C2-C4 alkylene and C2-C4 alkylene-(L—C2-C4 alkylene)1-4, wherein L is a linking group selected from —O—, —S—, —SO2—, —NH—, —N(C1-C6 alkyl)-, —N(aryl)-, —N(SO2C1-C6 alkyl)-, —N(SO2aryl)-, —SO2N(C1-C6 alkyl)- and combinations thereof;
• wherein n is at least 2 and wherein at least one of said diacidic monomer comprises at least about 50% by weight of the total composition, wherein said light absorbing monomer comprises one imide group and one 1(H)-1,2,4-triazol-3-ylthio group.

A light absorbing composition having the formula

• wherein A1 comprises the residue of at least one diacidic monomer having a light absorption maximum between about 325 nm and about 1100 nm, and wherein B is a divalent organic radical selected from the group consisting of C2-C12 alkylene, C3-C8 cycloalkylene, C1-C4 alkylene-C3-C8-cycloalkylene-C1-C4 alkylene, C1-C4 alkylene-arylene-C1-C4 alkylene, and C2-C4-alkylene-L-arylene-L—C2-C4 alkylene and C2-C4 alkylene-(L—C2-C4 alkylene)1-4, wherein L is a linking group selected from —O—, —S—, —SO2—, —NH—, —N(C1-C6 aryl)-, —N(aryl)-, —N(SO2C1-C6 aryl)-, —N(SO2aryl)-, —SO2N(C1-C6 aryl)- and combinations thereof;
• wherein n is at least 2 and wherein at least one of said diacidic monomer comprises at least about 50% by weight of the total composition, wherein said light absorbing monomer comprises a diacidic sulfamoyl (—SO2NH2) group.