Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
US-2016327876-A1 · Nov 10, 2016 · US
Electrophotographic photoreceptor
US9964871B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9964871-B2 |
| Application number | US-201615359862-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 23, 2016 |
| Priority date | Dec 11, 2015 |
| Publication date | May 8, 2018 |
| Grant date | May 8, 2018 |
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- Title
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Abstract
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An electrophotographic photoreceptor includes: a conductive support; a photosensitive layer disposed on the conductive support; and a protective layer disposed on the photosensitive layer, wherein the protective layer is formed of a polymerized and cured product of a radically polymerizable composition containing a radically polymerizable monomer, a perfluoropolyether compound having a radically polymerizable group, and metal oxide fine particles having a radically polymerizable group.
First claim
Opening claim text (preview).
What is claimed is: 1. An electrophotographic photoreceptor comprising: a conductive support; a photosensitive layer disposed on the conductive support; and a protective layer disposed on the photosensitive layer, wherein the protective layer is formed of a polymerized and cured product of a radically polymerizable composition containing a radically polymerizable monomer, a perfluoropolyether compound having a first radically polymerizable group, and metal oxide fine particles having a second radically polymerizable group, and the metal oxide fine particles are surface-treated with a compound having the second radically polymerizable group. 2. The electrophotographic photoreceptor according to claim 1 , wherein the perfluoropolyether compound has 4 or more radically polymerizable groups. 3. The electrophotographic photoreceptor according to claim 1 , wherein a content of the perfluoropolyether compound in the polymerized and cured product is from 10 to 100 parts by mass in terms of a content of the perfluoropolyether compound having the first radically polymerizable group with respect to 100 parts by mass of the radically polymerizable monomer in the radically polymerizable composition. 4. The electrophotographic photoreceptor according to claim 1 , wherein a content of the metal oxide fine particles in the polymerized and cured product is from 30 to 100 parts by mass in terms of a content of the metal oxide fine particles having the second radically polymerizable group with respect to 100 parts by mass of a sum of the radically polymerizable monomer and the perfluoropolyether compound having the first radically polymerizable group in the radically polymerizable composition. 5. The electrophotographic photoreceptor according to claim 1 , wherein the first and second radically polymerizable groups are the same. 6. The electrophotographic photoreceptor according to claim wherein the first and second radically polymerizable groups are different.
Assignees
Inventors
Classifications
- G03G5/14704Primary
comprising inorganic material · CPC title
- G03G5/1476Primary
Other polycondensates comprising oxygen atoms in the main chain; Phenol resins · CPC title
Halogenated polymers · CPC title
and not being incorporated in a bonding material, e.g. vacuum deposited · CPC title
Inert intermediate layers · CPC title
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- What does patent US9964871B2 cover?
- An electrophotographic photoreceptor includes: a conductive support; a photosensitive layer disposed on the conductive support; and a protective layer disposed on the photosensitive layer, wherein the protective layer is formed of a polymerized and cured product of a radically polymerizable composition containing a radically polymerizable monomer, a perfluoropolyether compound having a radicall…
- Who is the assignee on this patent?
- Konica Minolta Inc
- What technology area does this patent fall under?
- Primary CPC classification G03G5/14704. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue May 08 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).