Patent ID: 8188203

Claim:
A polymer comprising at least one residue of a molecule comprising a molecular structure depicted by Formula I: A-N═N—Z I wherein A is an optionally substituted aryl radical and Z is the residue of a moiety selected from 2-pyrazolin-5-ones, dimedone (5,5-dimethyl-1,3-cyclohexanedione), acetoacetamides, malonamides, barbituric acid and 1,3-propanediones; with the provision that when Z is 2-pyrazolin-5-one, A is selected from wherein B is selected from —CON(R 1 )—, —O—, —S—, and —N(SO 2 R 2 )—; L is selected from C 2 -C 8 -alkylene and —[CH 2 CH(R 3 )O] n —CH 2 CH(R 3 )—; L 1 is a C 1 -C 8 -alkylene group; m is selected from 0, 1 and 2; n is 1, 2, or 3; R is hydrogen or one to three groups selected from C 1 -C 8 -alkyl, C 1 -C 8 -alkoxy, halogen, cyano, nitro, thiocyano, trifluoromethyl, —COR 4 , —CO 2 R 5 , —SO 2 R 2 , —N(R 1 )COR 4 , —N(R 1 )SO 2 R 2 , arylazo, aryloxy, arylthio, heteroarylthio, —SO 2 N(R 1 )R 4 , —CON(R 1 )R 4 , succinimido, phthalimido, and phthalimidino; R 1 is selected from hydrogen, C 1 -C 8 -alkyl, C 3 -C 8 -cycloalkyl, C 3 -C 8 -alkenyl and aryl; R 2 is selected from C 1 -C 8 -alkyl, C 3 -C 8 -cycloalkyl and aryl; R 3 is hydrogen or methyl; R 4 is selected from C 1 -C 8 -alkyl, C 3 -C 8 -cycloalkyl, aryl and hydrogen; R 5 is selected from C 1 -C 8 -alkyl, C 3 -C 8 -cycloalkyl, aryl and [CH 2 CH(R 3 )O] n CH 2 CH(R 3 )OR 6 ; R 6 is selected from hydrogen, C 1 -C 8 -alkyl, aryl, C 1 -C 8 -alkanoyloxy and C 1 -C 8 -alkoxycarbonyloxy; and Q is an ethylenically-unsaturated polymerizable group selected from; 1a —COC(R 9 )═CH—R 10 , 2a —CONHCOC(R 9 )═CH—R 10 , 3a —CONH—C 1 -C 8 -alkylene-OCOC(R 9 )═CH—R 10 , 5a —COCH═CH—CO 2 R 13 , wherein: R 9 is hydrogen or C 1 -C 8 alkyl; R 10 is hydrogen; C 1 -C 8 -alkyl; phenyl; phenyl substituted with one or more groups selected from C 1 -C 8 -alkyl, C 1 -C 8 -alkoxy, —N(C 1 -C 8 -alkyl) 2 , nitro, cyano, C 1 -C 8 -alkoxycarbonyl, C 1 -C 8 -alkanoyloxy and halogen; 1- or 2-narhthyl; 1- or 2-narhthyl substituted with C 1 -C 8 -alkyl or C 1 -C 8 -alkoxy: 2- or 3-thienyl: 2- or 3-thienyl substituted with C 1 -C 8 -alkyl or halogen; 2- or 3-furyl; or 2- or 3-furyl substituted with C 1 -C 8 -alkyl R 11 and R 12 are, independently, hydrogen, C 1 -C 8 -alkyl, or aryl; or R 11 and R 12 are combined to rerresent a —(CH 2 ) 3-5 - radical; R 13 is hydrogen, C 1 -C 8 -alkyl, C 3 -C 8 -alkenyl, C 3 -C 8 -cycloalkyl or aryl: and R 14 is hydrogen, C 1 -C 8 -alkyl or aryl; and wherein the molecule comprises at least one ethylenically-unsaturated polymerizable group (Q), wherein when Z does not comprise at least one Q group, then m is 1 or 2.