Inorganic material surface grafted with charge transport moiety
AssigneeXerox Corporation
InventorsYu Qi, Nan-Xing Hu, Ah-Mee Hor, Cheng-Kuo Hsiao, Rafik O. Loutfy
Life of this patent
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Abstract
A surface-grafted material having an inorganic material, a linking group, and a charge transport moiety capable of transporting holes or electrons, and the charge transport moiety is grafted to a surface of the inorganic material via the linking group.
Claims11
A surface-grafted material comprising an inorganic filler, a linking group, and a hole transport moiety capable of transporting holes, wherein said hole transport moiety is selected from the group consisting of N,N′-diphenyl-N,N′-bis(3-methylphenyl)-(1,1′-biphenyl)-4,4′-diamine, N,N′-diphenyl-N,N′-bis(halophenyl)-1,1′-biphenyl-4,4′-diamine, N,N′-diphenyl-N,N′-bis(alkylphenyl)-1,1-biphenyl-4,4′-diamine, N,N-diphenyl-(1,1′-biphenyl)-4-amine, N,N-diphenyl-(alkylphenyl)-amine, 1-phenyl-3-(4′-diethylamino styryl)-5-(4″-diethylamino phenyl) pyrazoline, N-phenyl-N-methyl-3-(9-ethyl)carbazyl hydrazone, 4-diethyl amino benzaldehyde-1,2-diphenyl hydrazone, 2,5-bis(4-N,N′-diethylaminophenyl)-1,3,4-oxadiazole, and mixtures thereof, and said hole transport moiety is grafted to a surface of said inorganic filler via said linking group, wherein said inorganic filler is selected from the group consisting of titanium dioxide, aluminum oxide, zinc oxide, and mixtures thereof.
A surface-grafted material comprising an inorganic filler, a linking group, and a hole transport moiety capable of transporting holes, wherein said inorganic filler is via said linking group with a hole transport component comprising an anchoring group, said hole transport component comprising an anchoring group being selected from the group consisting of
- wherein R24 and R25 are independently selected from the group consisting of a hydrogen atom, an alkyl having from about 1 to about 10 carbon atoms, a cyclic alkyl having from about 1 to about 10 carbon atoms, an alkoxyl group having from about 1 to about 5 carbon atoms, and halogen atoms;
- R26 and R27 are independently selected from the group consisting of an alkyl having from about 1 to about 10 carbon atoms, and an aryl having from about 6 to about 30 carbon atoms;
- n is a number of 0, 1, or 2;
- Lisa divalent group selected from the group consisting of an unsubstituted alkylene having from about 1 to about 10 carbons, a substituted alkylene having from about 1 to about 10 carbon atoms, an unsubstituted arylene having from about 6 to about 30 carbons, and a substituted arylene having from about 6 to about 30 carbon atoms.
A surface-grafted material comprising a sol gel metal oxide filler selected from the group consisting of titanium dioxide, aluminum oxide, zinc oxide, and mixtures thereof;
- a linking group;
- and an electron transport moiety capable of transporting electrons, wherein said electron transport moiety is selected from the group consisting of N-pentyl, N-propylcarboxyl-1,4,5,8-naphthalenetetracarboxylic diimide and N-(1-methyl) hexyl, N′-propylcarboxyl-1,7,8,13-perylenetetracarboxylic diimide, and wherein said electron transport moiety is grafted to a surface of the sol gel metal oxide via said linking group.
A surface-grafted material comprising a sol gel metal oxide filler selected from the group consisting of titanium dioxide, aluminum oxide, zinc oxide, and mixtures thereof;
- a linking group;
- and an electron transport moiety capable of transporting electrons, wherein said electron transport moiety comprises anchoring groups and is grafted to a surface of the sol gel metal oxide via said linking group, and wherein said electron transport moiety comprising anchoring groups are selected from the group consisting of
- wherein R26 and R27 are independently selected from the group consisting of an alkyl with from about 1 to about 10 carbon atoms, and an aryl with from about 6 to about 30 carbon atoms;
- R28 and R29 are independently selected from the group consisting of an alkyl with from about 1 to about 10 carbon atoms, and an aryl with from about 6 to about 30 carbon atoms;
- n is a number of 0, 1, or 2;
- L′ is a divalent group selected from the group consisting of an unsubstituted alkylene having from about 1 to about 10 carbons, a substituted alkylene with from about 1 to about 10 carbon atoms, an unsubstituted arylene having from about 6 to about 30 carbons, and a substituted arylene having from about 6 to about 30 carbon atoms.
A surface-grafted material comprising an inorganic filler, a linking group, and a hole transport moiety capable of transporting holes, wherein said hole transport moiety is grafted to a surface of said inorganic filler via said linking group, wherein said inorganic filler is selected from the group consisting of titanium dioxide, aluminum oxide, zinc oxide, and mixtures thereof, and wherein said hole transport moiety is selected from the group consisting of N,N′-diphenyl-N,N′-bis(3-methylphenyl)-(1,1′-biphenyl)-4,4′-diamine, N,N′-diphenyl-N,N′-bis(halophenyl)-1,1′-biphenyl-4,4′-diamine, N,N′-diphenyl-N,N′-bis(alkylphenyl)-1,1-biphenyl-4,4′-diamine, N,N-diphenyl-(1,1′-biphenyl)-4-amine, N,N-diphenyl-(alkylphenyl)-amine, 1-phenyl-3-(4′-diethylamino styryl)-5-(4″-diethylamino phenyl)pyrazoline, N-phenyl-N-methyl-3-(9-ethyl)carbazyl hydrazone, 4-diethyl amino benzaldehyde-1,2-diphenyl hydrazone, 2,5-bis(4-N,N′-diethylaminophenyl)-1,3,4-oxadiazole, and mixtures thereof.
Dependencies are inferred from the claim text.