IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0845235
(2010-07-28)
|
등록번호 |
US-8257889
(2012-09-04)
|
발명자
/ 주소 |
- Cote, Adrien P.
- Heuft, Matthew A.
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
9 인용 특허 :
62 |
초록
A imaging member, such as a photoreceptor, comprising a capped structured organic film comprising a plurality of segments and a plurality of linkers arranged as a covalent organic framework, wherein the structured organic film may be a multi-segment thick structured organic film.
대표청구항
▼
1. An imaging member comprising: a substrate;a charge generating layer;a charge transport layer; andan optional overcoat layer, wherein the outermost layer is an imaging surface that comprises a structured organic film (SOF) comprising a plurality of segments and a plurality of linkers arranged as a
1. An imaging member comprising: a substrate;a charge generating layer;a charge transport layer; andan optional overcoat layer, wherein the outermost layer is an imaging surface that comprises a structured organic film (SOF) comprising a plurality of segments and a plurality of linkers arranged as a covalent organic framework (COF), wherein the SOF comprises capping units. 2. The imaging member of claim 1, wherein the charge transport layer is the outermost layer, and the charge transport layer is between from about 10 to about 40 microns thick. 3. The imaging layer of claim 1, wherein the charge generating layer and the charge transport layer are combined in a single layer with a thickness between about 10 to about 40 microns thick. 4. The imaging layer of claim 3, wherein the single layer is the outermost layer. 5. The imaging member of claim 1, comprising an overcoat layer, wherein the outermost layer is the overcoat layer, and the overcoat layer is from about 1 to about 10 microns thick. 6. The imaging member of claim 1, wherein the charge generating layer absorbs electromagnetic radiation between from about 400 inn to about 800 nm. 7. The imaging member of claim 1, wherein the capping units enhance an inclined or inherent property of the SOF. 8. The imaging member of claim 1, wherein the capping units attenuate an inclined or inherent property of the SOF. 9. The imaging member of claim 1, wherein the capping units bond to the framework of the SOF via a linker group. 10. The imaging member of claim 9, wherein the linker group is a covalent bond linker or a chemical moiety linker. 11. The imaging member of claim 1, wherein the capping units to segment molar ratio in the SOF is from about 1:200 to about 1:3. 12. The imaging member of claim 1, wherein the capping units are distributed in a non-uniform manner within the SOF. 13. The imaging member of claim 1, wherein the capping units comprise chemical moieties or functional groups that are not directly bonded to any segments. 14. The imaging member of claim 1, wherein the SOF is a substantially pinhole-free film. 15. The imaging member of claim 1, wherein the SOF comprises a secondary component. 16. The imaging member of claim 15, wherein the secondary component is selected from the group consisting of conductivity agents, semiconductor agents, antioxidant agents, electron transport agents, hole transport agents, PTFE particles, and wax particles. 17. The imaging member of claim 1, wherein the SOF has an added functionality of hole transport or electron transport. 18. A xerographic apparatus comprising: an imaging member, wherein the outermost layer is an imaging surface that comprises a capped structured organic film (SOF) comprising a plurality of segments, a plurality of linkers arranged as a covalent organic framework (COF), wherein the framework of the SOF comprises capping units;a charging unit to impart an electrostatic charge on the imaging member;an exposure unit to create an electrostatic latent image on the imaging member;an image material delivery unit to create an image on the imaging member;a transfer unit to transfer the image from the imaging member; andan optional cleaning unit. 19. The xerographic apparatus of claim 18, wherein the charging unit is a biased charge roll. 20. The xerographic apparatus of claim 18, wherein the charging unit is a scorotron. 21. An imaging member comprising: a substrate;a charge generating layer;a charge transport layer; andan optional overcoat layer, wherein the outermost layer is an imaging surface that comprises a structured organic film (SOF) comprising a plurality of segments including at least a first segment type and a plurality of linkers including at least a first linker type arranged as a covalent organic framework (COF), wherein the first segment type and/or the first linker type comprises at least one atom that is not carbon and the SOF comprises capping units. 22. The imaging member of claim 21, wherein the at least one atom of an element that is not carbon is selected from the group consisting of hydrogen, oxygen, nitrogen, silicon, phosphorous, selenium, fluorine, boron, and sulfur. 23. An imaging member comprising: a substrate;a charge generating layer;a charge transport layer; andan optional overcoat layer, wherein the outermost layer is an imaging surface that comprises a structured organic film (SOF) comprising a plurality of segments including at least a first segment type and a plurality of linkers including at least a first linker type arranged as a covalent organic framework (COF), wherein the SOF comprises capping units, the SOF is a substantially defect-free film, and the first segment type and/or the first linker type comprises a hydrogen. 24. The imaging member of claim 23, wherein the plurality of segments and/or the plurality of linkers comprise at least one atom selected from the group consisting of oxygen, nitrogen, silicon, phosphorous, selenium, fluorine, boron, and sulfur.
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