What is claimed is:
1. A coated article comprising:
a substrate;
a hydrophobic coating system provided on said substrate, said hydrophobic coating system including an anti-reflective layer, a diamond-like carbon (DLC) inclusive layer, a primer layer, and at least one fluoro-alkyl silane (FAS) compound inclusive layer provided over said primer layer; and
wherein said hydrophobic coating system has an initial contact angle of at least about 80 degrees, and an average hardness of at least about 10 GPa.
2. The coated article of claim 1, wherein said DLC inclusive layer includes sp3 carbon-carbon bonds.
3. The coated article of claim 1, wherein:
said anti-reflective layer has an index of refraction n of from about 1.5 to 1.8 and includes silicon (Si) and sp3 carbon-carbon bonds;
wherein said anti-reflective layer is deposited in a manner so that at least a portion of said DLC inclusive layer has a greater hardness and higher density than said antireflective layer; and
wherein said anti-reflective layer is located between said DLC inclusive layer and said substrate.
4. The coated article of claim 3, wherein said DLC inclusive layer is provided between said primer layer and said anti-reflective layer, and wherein said primer layer is provided directly between said DLC inclusive layer and said FAS inclusive layer.
5. The coated article of claim 1, wherein said initial contact angle is at least about 100 degrees.
6. The coated article of claim 5, wherein said initial contact angle is at least about 110 degrees.
7. The coated article of claim 6, wherein said initial contact angle is at least about 125 degrees.
8. The coated article of claim 1, wherein said coating system has a surface energy C of less than or equal to about 20.2 mNm.
9. The coated article of claim 1, wherein said coating system has a surface energy C of less than or equal to about 19.5 mNm.
10. The coated article of claim 1, wherein said coating system has a surface energy C of less than or equal to about 18.0 mNm.
11. The coated article of claim 1, wherein said FAS compound includes at least one of: CF3(CH2)2Si(OCH3)3; CF3(CF2)5(CH2)2Si(OCH2CH3)3; CF3(CH2)2SiCl3; CF3(CF2)5(CH2)2SiCl3; CF3(CF2)7(CH2)2Si(OCH3)3; CF3(CF2)5(CH2)2Si(OCH3)3; CF3(CF2)7(CH2)2SiCl3; CF3(CF2)7(CH2)2SiCH3Cl2; and CF3(CF2)7(CH2)2SiCH3(OCH3)2.
12. The coated article of claim 1, further comprising at least one intermediate layer disposed between said coating system and said substrate, and wherein said substrate comprises one of glass, plastic and ceramic.
13. The coated article of claim 1, wherein each of said anti-reflective layer and said primer layer include DLC and sp3 carbon-carbon bonds.
14. The coated article of claim 13, wherein said DLC inclusive layer has a greater hardness than each of said anti-reflective layer and said primer layer, and wherein said DLC inclusive layer has a greater ratio or percentage of sp3 carbon-carbon bonds than each of said anti-reflective layer and said primer layer.
15. The coated article of claim 1, wherein said hydrophobic coating system has an average hardness of at least about 20 GPa.
16. The coated article of claim 1, wherein said anti-reflective layer includes DLC and is ion beam deposited using at least a first gas including silicon (Si), and said DLC inclusive layer is ion beam deposited using at least a second gas different than said first gas.
17. The coated article of claim 16, wherein said anti-reflective layer comprises more silicon (Si) than said DLC inclusive layer.
18. The coated article of claim 16, wherein said first gas comprises at least one siloxane gas and said second gas comprises at least one hydrocarbon gas.
19. The coated article of claim 18, wherein said first gas comprises HMDSO and said second gas comprises acetylene (C2H2).
20. The coated article of claim 1, wherein at least about 50% of carbon-carbon bonds in said DLC inclusive layer are sp3 carbon-carbon bonds, and where said antireflective layer is located between said substrate and said DLC inclusive layer.
21. A coated article comprising:
a substrate;
a coating system on said substrate, said coating system including an antireflective layer, a diamond-like carbon (DLC) inclusive layer, a primer layer, and an overlying layer for increasing initial contact angle of the coated article, and wherein said primer layer is located between said DLC inclusive layer and said overlying layer.
22. Th e article of claim 21, wherein said coating system has an average hardness of at least about 10 GPa, and wherein said coating system has an initial contact angle with a drop of water of at least about 80 degrees.
23. The article of claim 21, wherein said overlying layer includes at least one fluoro-alkyl silane (FAS) compound.
24. The article of claim 21, wherein each of said anti-reflective layer and said primer layer include DLC and sp3 carbon-carbon bonds, and wherein said DLC inclusive layer is located between said primer layer and said anti-reflective layer and said DLC inclusive layer has a greater ratio or percentage of sp3 carbon-carbon bonds than each of said anti-reflective layer and said primer layer.
25. The article of claim 24, wherein each of said primer layer and said antireflective layer include DLC, Si and O.
26. The article of claim 21, wherein said substrate comprises at least one of glass, ceramic, and plastic; and
wherein said overlying layer includes at least one FAS compound including at least one of: CF3(CH2)2Si(OCH3)3; CF3(CF2)5(CH2)2Si(OCH2CH3)3; CF3(CH2)2SiCl3; CF3(CF2)5(CH2)2SiCl3; CF3(CF2)7(CH2)2Si(OCH3)3; CF3(CF2)5(CH2)2Si(OCH3)3; CF3(CF2)7(CH2)2SiCl3; CF3(CF2)7(CH2)2SiCH3Cl2; and CF3(CF2)7(CH2)2SiCH3(OCH3)2.
27. The article of claim 21, wherein said coating system has an average hardness of from about 20-80 GPa.
28. A method of making a coated article, the method comprising the steps of:
providing a substrate;
depositing a first DLC inclusive layer on the substrate using a first gas including silicon (Si) in a manner such that the first DLC inclusive layer has an index of refraction n of from about 1.4 to 2.0;
depositing a second DLC inclusive layer on the substrate over the first DLC inclusive layer using a second gas different than the first gas in a manner such that the second DLC inclusive layer has an index of refraction greater than the index of refraction of the first DLC inclusive layer, and wherein the second DLC inclusive layer has greater hardness and a greater ratio or percentage of sp3 carbon-carbon bonds than the first DLC inclusive layer; and
depositing a third DLC inclusive layer on the substrate over the second DLC inclusive layer using a gas including silicon (Si) in a manner such that the second DLC inclusive layer includes a greater percentage or ratio of sp3 carbon-carbon bonds than the third DLC inclusive layer.
29. The method of claim 28, further comprising applying an FAS inclusive layer over the second and third DLC inclusive layers, the third DLC inclusive layer being a primer layer and further comprising at least one oxide.
30. The method of claim 28, wherein the first DLC inclusive layer is deposited on the substrate in a manner such that the first DLC inclusive layer has an index of refraction n with a value between respective indices of refraction n of the substrate and the second DLC inclusive layer.
31. The method of claim 28, wherein the first gas includes at least one of a siloxane compound and an oxygen inclusive organosilicon compound, and wherein the second gas includes a hydrocarbon.
32. The method of claim 30, wherein the first gas comprises at least one of tetramethyldisiloxane (TMDSO), tetraethoxylsilane (TEOS), hexamethyldisiloxane (HMDSO), octamethylcyclotetrasiloxane (OMCTSO), an ethoxy substituted silane, and an alkoxy substituted silane.
33. The method of claim 30, wherein the second gas comprises at least C2H2.
34. A method of making a coated article, the method comprising the steps of:
providing a substrate;
depositing a first DLC inclusive layer on the substrate using at least a first gas, the first gas including at least one of a siloxane and an oxygen inclusive organosilicon compound; and
depositing a second DLC inclusive layer on the substrate over the first DLC inclusive layer using a second gas different than the first gas, in a manner such that the second DLC inclusive layer includes more sp3 carbon-carbon bonds than the first DLC inclusive layer.
35. The method of claim 34, wherein the first DLC inclusive layer includes silicon (Si) and oxygen (O) in amounts such that the first DLC inclusive layer has an index of refraction n of from about 1.4 to 2.0, and wherein the second gas comprises a hydrocarbon.
36. The method of claim 34, wherein the steps of depositing the first and second DLC inclusive layers are performed in manners such that the first DLC inclusive layer includes more silicon (Si) and more oxygen (O) than the second DLC inclusive layer.
37. The method of claim 34, wherein the second gas comprises at least C2H2.
38. The method of claim 34, wherein the first gas comprises at least one of: tetramethyldisiloxane (TMDSO), tetraethoxylsilane (TEOS), hexamethyldisiloxane (HMDSO), octamethylcyclotetrasiloxane (OMCTSO), an ethoxy substituted silane, and an alkoxy substituted silane.
39. The method of claim 34, further comprising:
depositing a primer layer including an oxide on the substrate in a location such that the first and second DLC inclusive layers are located between the primer layer and the substrate; and
depositing an overlying layer on the substrate over the primer for increasing contact angle of the resulting coated article.
40. The method of claim 39, wherein the overlying layer comprises at least one fluoro-alkyl silane (FAS) compound.
41. The method of claim 40, wherein the FAS compound includes at least one of: CF3(CH2)2Si(OCH3)3; CF3(CF2)5(CH2)2Si(OCH2CH3)3; CF3(CH2)2SiCl3; CF3(CF2)5(CH2)2SiCl3; CF3(CF2)7(CH2)2Si(OCH3)3; CF3(CF2)5(CH2)2Si(OCH3)3; CF3(CF2)7(CH2)2SiCl3; CF3(CF2)7(CH2)2SiCH3Cl2; and CF3(CF2)7(CH2)2SiCH3(OCH3)2.
42. A method of making a coated article, the method comprising the steps of:
providing a substrate;
ion beam depositing a DLC inclusive layer on the substrate using at least a first gas including a hydrocarbon, wherein the DLC inclusive layer includes sp3 carbon-carbon bonds; and
ion beam depositing a primer layer on the substrate using at least a second gas, the second gas being different than the first gas, the second gas including at least one of a siloxane and an oxygen inclusive organosilicon compound.
43. The method of claim 42, further comprising the step of depositing a hydrophobic layer on the substrate over the primer layer.
44. The method of claim 43, wherein the hydrophobic layer includes at least one FAS compound and is in direct contact with the primer layer.
45. The method of claim 42, further comprising ion beam depositing an antireflection layer including DLC on the substrate at a location such that the anti-reflection layer in between the substrate and the DLC inclusive layer.
46. A coated article comprising:
a substrate;
a first layer including Si, C and O provided on said substrate; and
a second layer including DLC provided on said substrate, said second layer further including sp3 carbon-carbon bonds; and
wherein said first layer is located between said substrate and said second layer.
47. The coated article of claim 46, wherein said first layer includes DLC and sp3 carbon-carbon bonds, and wherein said second layer is harder than said first layer and includes a greater percentage or ratio of sp3 carbon-carbon bonds than said first layer.
48. The coated article of claim 46, wherein said first layer is in direct contact with said substrate, and wherein said first and second layers are in direct contact with one another.
49. The coated article of claim 46, wherein said first layer is ion beam deposited on the substrate using at least a siloxane gas, and said second layer is ion beam deposited on the substrate using at least a hydrocarbon gas.
50. The coated article of claim 49, wherein the coated article has an initial contact angle of at least about 80 degrees, and an average hardness of at least about 10 GPa.
51. The coated article of claim 50, further including a third layer and a fourth layer, said third layer being located between said fourth layer and said second layer, and wherein said third layer is a primer layer comprising at least an oxide and said fourth layer is a hydrophobic layer.
52. The coated article of claim 51, wherein each of said first, second and third layers include DLC and sp3 carbon-carbon bonds, and wherein said second layer has an average hardness greater than respective average hardness(es) of said first and third layers and wherein said second layer has a greater percentage or ratio of sp3 carbon-carbon bonds than either of said first and third layers.
53. A coated article comprising:
a substrate;
a DLC inclusive layer provided on said substrate, said DLC inclusive layer including sp3 carbon-carbon bonds;
an oxide inclusive layer provided on said substrate;
a hydrophobic layer provided on said substrate; and
wherein said oxide inclusive layer is located between said DLC inclusive layer and said hydrophobic layer.
54. The coated article of claim 53, wherein said oxide inclusive layer is a primer layer and further includes DLC and sp3 carbon-carbon bonds, and wherein said DLC inclusive layer is harder than said primer layer and includes a greater percentage or ratio of sp3 carbon-carbon bonds than said primer layer.
55. The coated article of claim 54, wherein said primer layer is in direct contact with each of hydrophobic layer and said DLC inclusive layer.
56. The coated article of claim 54, wherein said primer layer is ion beam deposited on the substrate using at least a siloxane gas, and said DLC inclusive layer is ion beam deposited on the substrate using at least a hydrocarbon gas.
57. The coated article of claim 54, wherein the coated article has an initial contact angle of at least about 80 degrees, and an average hardness of at least about 10 GPa.
58. The coated article of claim 53, further including an anti-reflective layer provided between said DLC inclusive layer and said substrate, wherein said antireflective layer includes C, Si, and O and has an index of refraction n of from about 1.4 to 2.0.
59. The coated article of claim 58, wherein each of said anti-reflective layer, said DLC inclusive layer, and said oxide inclusive layer include DLC and sp3 carbon-carbon bonds, and wherein said DLC inclusive layer has an average hardness greater than respective average hardness(es) of said anti-reflective and oxide inclusive layers and wherein said DLC inclusive layer has a greater percentage or ratio of sp3 carbon-carbon bonds than either of said anti-reflective layer or said oxide inclusive layer.
60. The coated article of claim 53, wherein said hydrophobic layer includes at least one FAS compound.
61. The coated article of claim 60, wherein said FAS compound includes at least one of: CF3(CH2)2Si(OCH3)3; CF3(CF2)5(CH2)2Si(OCH2CH3)3; CF3(CH2)2SiCl3; CF3(CF2)5(CH2)2SiCl3; CF3(CF2)7(CH2)2Si(OCH3)3; CF3(CF2)5(CH2)2Si(OCH3)3; CF3(CF2)7(CH2)2SiCl3; CF3(CF2)7(CH2)2SiCH3Cl2; and CF3(CF2)7(CH2)2SiCH3(OCH3)2.
62. A coated article comprising:
a substrate including at least one of plastic, glass and ceramic;
a first DLC inclusive layer provided on said substrate, said first DLC inclusive layer being deposited on the substrate using at least a first gas, the first gas including at least one of first gas comprises at least one of: tetramethyldisiloxane (TMDSO), tetraethoxylsilane (TEOS), hexamethyldisiloxane (HMDSO), octamethylcyclotetrasiloxane (OMCTSO), an ethoxy substituted silane, TMS, and an alkoxy substituted silane; and
a second DLC inclusive layer provided on said substrate, the second DLC inclusive layer being deposited using at least a second gas different than the first gas, and wherein at least a portion of said first DLC inclusive layer is located between said substrate and said second DLC inclusive layer.
63. The article of claim 62, wherein the second gas comprises a hydrocarbon.
64. The article of claim 62, wherein the first gas comprises HMDSO and the second gas comprises C2H2.
65. The article of claim 62, wherein the second DLC inclusive layer has a greater average hardness than the first DLC inclusive layer.
66. The article of claim 62, wherein the coated article has an initial contact angle greater than about 80 degrees.
67. The article of claim 62, further comprises an FAS inclusive layer provided on said first and second DLC inclusive layers, wherein said first and second DLC inclusive layers are each located at least partially between the FAS inclusive layer and the substrate.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An imaging member comprising:
a substrate,
a charge generating layer, and
a charge transport layer,
wherein an external layer of said imaging member comprises a polyhedral oligomeric silsesquioxane modified silicone dispersed therein.
2. The imaging member of claim 1, wherein said external layer is said charge transport layer.
3. The imaging member of claim 1, further comprising an overcoating layer over said charge transport layer, and said external layer is said overcoating layer.
4. The imaging member of claim 1, wherein said polyhedral oligomeric silsesquioxane modified silicone is in a form of an interpenetrating network in said external layer.
5. The imaging member of claim 1, wherein said polyhedral oligomeric silsesquioxane modified silicone is formed by a reaction selected from the group consisting of:
a hydrosilation reaction of a substituted polyhedral oligomeric silsesquioxane monomer with a hydridosilane or a hydride functional siloxane polymer,
a peroxide activated cure reaction of a vinyl-substituted polyhedral oligomeric silsesquioxane monomer with at least one member selected from the group consisting of a polysiloxane, a vinyl-terminated polysiloxane, and a siloxane-vinyl-terminated siloxane copolymer, or
a sol-gel reaction of at least one monomer selected from the group consisting of an alkoxysilane-substituted polyhedral oligomeric silsesquioxane, a silanol-substituted polyhedral oligomeric silsesquioxane, and a chlorosilane-substituted polyhedral oligomeric silsesquioxane with at least one member selected from the group consisting of an alkoxysilane, a chlorosilane, a silanol-terminated polysiloxane.
6. The imaging member of claim 1, wherein said polyhedral oligomeric silsesquioxane modified silicone is formed by a hydrosilation reaction of a substituted polyhedral oligomeric silsesquioxane monomer with a hydridosilane or a hydride functional siloxane polymer.
7. The imaging member of claim 6, wherein said substituted polyhedral oligomeric silsesquioxane monomer is a compound of the formula (RSiO1.5)n where n is an even number and R is selected from the group consisting of substituted or unsubstituted aliphatic or aromatic hydrocarbon groups.
8. The imaging member of claim 6, wherein said substituted polyhedral oligomeric silsesquioxane monomer is a compound of the formula:
wherein n is an even number and each of R1, R2, R3, R4, R5, R6, R7, and R8, which can be the same or different, are selected from the group consisting of substituted or unsubstituted aliphatic or aromatic hydrocarbon groups, which can be cyclic, branched or straight chained and can be saturated or unsaturated.
9. The imaging member of claim 6, wherein said hydridosilane is a compound of the formula:
wherein each of Ra, Rb, Rc, and Rd is, independently, selected from the group consisting of H, linear C1-30 alkyl, branched C1-30 alkyl, cyclic C3-30 alkyl, linear C2-30 alkenyl, branched C2-30 alkenyl, linear C2-30 alkynyl, branched C2-30 alkynyl, C6-20 aralkyl, C6-10 aryl, and a polymeric moiety having a molecular weight of about 1000 to about 100,000,
wherein each of Ra, Rb, Rc, and Rd is optionally substituted with one or more substituents selected from the group consisting of \u2014F, \u2014Cl, \u2014Br, \u2014CN, \u2014NO2, \u2550O, \u2014N\u2550C\u2550O, \u2014N\u2550C\u2550S,
\u2014N3, \u2014NReRf, \u2014SRg, \u2014ORh, \u2014CO2Ri, \u2014PRjRkRl, \u2014P(ORm)(ORn)(ORp), \u2014P(\u2550O)(OR4)(OR5), \u2014P(\u2550O)2ORt, \u2014OP(\u2550O)2ORu, \u2014S(\u2550O)2Rv, \u2014S(\u2550O)Rw, \u2014S(\u2550O)2ORx, \u2014C(\u2550O)NRyRz, and \u2014OSiRaaRbbRcc, where each of Re, Rf, Rg, Rh, Ri, Rj, Rk, Rl, Rm, Rn, Rp, Rq, Rs, Rt, Ru, Rv, Rw, Rx, Ry, and Rz, is, independently, H, linear C1-10 alkyl, branched C1-10 alkyl, cyclic C3-8 alkyl, linear C2-10 alkenyl, branched C2-10 alkenyl, linear C2-10 alkynyl, branched C2-10 alkynyl, C6-12 or C6-10 aryl, and is optionally substituted with one or more substituents selected from the group consisting of \u2014F, \u2014Cl, and \u2014Br, where each of Raa, Rbb, and Rcc is, independently, linear C1-10 alkyl, branched C1-10 alkyl, cyclic C3-8 alkyl, linear C2-10 alkenyl, branched C2-10 alkenyl, linear C2-10 alkynyl, branched C2-10 alkynyl, C6-12 aralkyl, C6-10 aryl, \u2014F, \u2014Cl, \u2014Br, or ORdd, where Rdd is linear C1-10 alkyl or branched C1-10 alkyl, and
wherein at least one of Ra, Rb, Rc, and Rd is H and at least one of Ra, Rb, Rc, and Rd is not H.
10. The imaging member of claim 6, wherein said substituted polyhedral oligomeric silsesquioxane monomer is a vinyl substituted polyhedral oligomeric silsesquioxane monomer and said hydridosilane is selected from the group consisting of phenyltris(dimethylsiloxy)silane, tris(dimethylsilyloxy)methylsilane, 1,3-dicyclohexyl-1,1,3,3-tetrakis(dimethylsilyloxy)disiloxane, 1,1,3,3-tetramethyldisiloxane, 1,1,3,3,5,5-hexamethyltrisiloxane, and 1,4-bis(dimethylsilyl)benzene.
11. The imaging member of claim 6, wherein said substituted polyhedral oligomeric silsesquioxane monomer is a vinyl substituted polyhedral oligomeric silsesquioxane monomer and said hydride functional siloxane polymer is selected from the group consisting of hydride-terminated polydimethylsiloxane, methylhydrosiloxane-dimethylsiloxane copolymer, polymethylhydrosiloxane, polyethylhydrosiloxane, hydride-terminated polyphenyl(dimethylhydrosiloxy)siloxane, hydride-terminated methylhydrosiloxane-phenylmethylsiloxane copolymer, methylhydrosiloxane-octylmethylsiloxane copolymer, and hydride Q resin.
12. The imaging member of claim 1, wherein said external layer further comprises a binder material and an arylamine charge transport material.
13. A process for forming an imaging member, comprising:
providing an imaging member substrate, and
applying at least a charge generating layer and a charge transport layer to said substrate,
wherein an external layer of said imaging member comprises a polyhedral oligomeric silsesquioxane modified silicone dispersed therein.
14. The process of claim 13, wherein said external layer is said charge transport layer.
15. The process of claim 13, further comprising applying an overcoating layer over said charge transport layer, and wherein said external layer is said overcoating layer.
16. The process of claim 13, wherein said polyhedral oligomeric silsesquioxane modified silicone is formed by a hydrosilation reaction of a substituted polyhedral oligomeric silsesquioxane monomer with a hydridosilane.
17. The process of claim 13, wherein said external layer is formed by applying a coating solution comprising a substituted polyhedral oligomeric silsesquioxane monomer, at least one of a hydridosilane and a hydride functional siloxane polymer, and an optional catalyst.
18. The process of claim 13, wherein said polyhedral oligomeric silsesquioxane modified silicone is formed by a hydrosilation reaction of a substituted polyhedral oligomeric silsesquioxane monomer with a hydride functional siloxane polymer.
19. The process of claim 16, wherein said substituted polyhedral oligomeric silsesquioxane monomer is a compound of the formula (RSiO1.5)n where n is an even number and R is selected from the group consisting of substituted or unsubstituted aliphatic or aromatic hydrocarbon groups.
20. The process of claim 16, wherein said substituted polyhedral oligomeric silsesquioxane monomer is a compound of the formula:
wherein n is an even number and each of R1, R2, R3, R4, R5, R6, R7, and R8, which can be the same or different, are selected from the group consisting of substituted or unsubstituted aliphatic or aromatic hydrocarbon groups, which can be cyclic, branched or straight chained and can be saturated or unsaturated.
21. The process of claim 16, wherein said hydridosilane is a compound of the formula:
wherein each of Ra, Rb, Rc, and Rd is, independently, selected from the group consisting of H, linear C1-30 alkyl, branched C1-30 alkyl, cyclic C3-30 alkyl, linear C2-30 alkenyl, branched C2-30 alkenyl, linear C2-30 alkynyl, branched C2-30 alkynyl, C6-20 aralkyl, C6-10 aryl, and a polymeric moiety having a molecular weight of about 1000 to about 100,000,
wherein each of Ra, Rb, Rc, and Rd is optionally substituted with one or more substituents selected from the group consisting of \u2014F, \u2014Cl, \u2014Br, \u2014CN, \u2014NO2, \u2550O, \u2014N\u2550C\u2550O, \u2014N\u2550C\u2550S,
\u2014N3, \u2014NReRf, \u2014SRg, \u2014ORh, \u2014CO2Ri, \u2014PRjRkRl, P(ORm)(ORn)(ORp), \u2014P(\u2550O)(ORq)(ORs), \u2014P(\u2550O)2ORt, \u2014OP(\u2550O)2ORu, \u2014S(\u2550O)2Rv, \u2014S(\u2550O)Rw, \u2014S(\u2550O)2ORx, \u2014C(\u2550O)NRyRz, and \u2014OSiRaaRbbRcc, where each of Re, Rf, Rg, Rh, Ri, Rj, Rk, Rl, Rm, Rn, Rp, Rq, Rs, Rt, Ru, Rv, Rw, Rx, Ry, and Rz, is, independently, H, linear C1-10 alkyl, branched C1-10 alkyl, cyclic C3-8 alkyl, linear C2-10 alkenyl, branched C2-10 alkenyl, linear C2-10 alkynyl, branched C2-10 alkynyl, C6-12 aralkyl, or C6-10 aryl, and is optionally substituted with one or more substituents selected from the group consisting of \u2014F, \u2014Cl, and \u2014Br, where each of Raa, Rbb, and Rcc is, independently, linear C1-10 alkyl, branched C1-10 alkyl, cyclic C3-8 alkyl, linear C2-10 alkenyl, branched C2-10 alkenyl, linear C2-10 alkynyl, branched C2-10 alkynyl, C6-12 aralkyl, C6-10 aryl, \u2014F, \u2014Cl, \u2014Br, or ORdd, where Rdd is linear C1-10 alkyl or branched C1-10 alkyl, and
wherein at least one of Ra, Rb, Rc, and Rd is H and at least one of Ra, Rb, Rc, and Rd is not H.
22. The process of claim 16, wherein said substituted polyhedral oligomeric silsesquioxane monomer is a vinyl substituted polyhedral oligomeric silsesquioxane monomer and said hydridosilane is phenyltris(dimethylsiloxy)silane, tris(dimethylsilyloxy)methylsilane, 1,3-dicyclohexyl-1,1,3,3-tetrakis(dimethylsilyloxy)disiloxane, 1,1,3,3-tetramethyldisiloxane, 1,1,3,3,5,5-hexamethyltrisiloxane, 1,4-bis(dimethylsilyl)benzene.
23. An electrographic image development device, comprising the imaging member of claim 1.