METHOD FOR PREPARING PHOTORECEPTOR, PHOTORECEPTOR PREPARED BY THE METHOD, AND IMAGE FORMING METHOD AND APPARATUS AND PROCESS CARTRIDGE USING THE PHOTORECEPTOR
ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND METHOD OF PREPARING THE PHOTORECEPTOR, AND IMAGE FORMING METHOD, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE THEREFOR USING THE PHOTORECEPTOR
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, METHOD OF PREPARING THE PHOTORECEPTOR, AND IMAGE FORMING METHOD, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE THEREFOR USING THE PHOTORECEPTOR
Electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge using the electrophotographic photoreceptor
申请人:Nagai Kazukiyo
公开号:US20060078809A1
公开(公告)日:2006-04-13
An electrophotographic photoreceptor, including a crosslinked material including: units obtained from a radical polymerizing monomer A having three or more radical polymerizing groups; a compound B having the following formula (1):
B
1
—Ar
1
—CH═CH—Ar
2
—B
2
(1)
wherein Ar
1
represents a substituted or an unsubstituted monovalent group or bivalent group formed of an aromatic hydrocarbon skeleton; Ar
2
represents a monovalent group or a bivalent group formed of an aromatic hydrocarbon skeleton or heterocyclic compound skeleton having one or more tertiaryamino group; and at least one of B
1
and B
2
is a hydrogen atom, and the other is an acryloyloxy group; a methacryloyloxy group; a vinyl group; an alkyl group having an acryloyloxy group, a methacryloyloxy group or a vinyl group; or an alkoxy group having an acryloyloxy group, a methacryloyloxy group or a vinyl group; and a photo polymerization initiator.
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, PRODUCTION METHOD THEREOF, IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS USING PHOTOCONDUCTOR, AND PROCESS CARTRIDGE
申请人:Yanagawa Yoshiki
公开号:US20090035672A1
公开(公告)日:2009-02-05
To provide an electrophotographic photoconductor that comprises a support and a cross-linked layer formed over the support, wherein the cross-linked layer comprises at least light curable of radically polymerizable compound, the difference of maximum value of the post-exposure electrical potential and minimum value of the post-exposure electrical potential when writing is conducted under the condition that image static power is 0.53 mW, exposure energy is 4.0 erg/cm
2
for the electrophotographic photoconductor is within 30V.
METHOD FOR PREPARING PHOTORECEPTOR, PHOTORECEPTOR PREPARED BY THE METHOD, AND IMAGE FORMING METHOD AND APPARATUS AND PROCESS CARTRIDGE USING THE PHOTORECEPTOR
申请人:YANAGAWA Yoshiki
公开号:US20080102391A1
公开(公告)日:2008-05-01
A method for preparing a photoreceptor including forming a photosensitive layer overlying an electroconductive substrate; coating a liquid including a radically polymerizable compound to form a protective layer; irradiating the protective layer with light to crosslink the protective layer; and then contacting the protective layer with a fluid, which is selected from the group consisting of supercritical fluids and subcritical fluids and which includes a charge transport material. A photoreceptor prepared by the method. An image forming method, an image forming apparatus and a process cartridge using the photoreceptor.
Electrophotographic photoreceptor and method of preparing the photoreceptor, and image forming method, image forming apparatus and process cartridge therefor using the photoreceptor
申请人:Yanagawa Yoshiki
公开号:US20070009818A1
公开(公告)日:2007-01-11
An electrophotographic photoreceptor, including at lest an electroconductive substrate and a photosensitive layer including at least a tri- or more functional radical polymerizing monomer having no charge transport structure and a monofunctional radical polymerizing compound having a charge transport structure, wherein the photosensitive layer includes radical polymerizing functional groups in an amount of from 2.55×10
21
to 7.50×10
21
in 1 g of solid contents thereof, and has a peel strength not less than 0.1 N/mm when measured by the SAICAS method.
Electrophotographic photoconductor, process cartridge, and image forming method
申请人:Toshine Tetsuya
公开号:US20070031746A1
公开(公告)日:2007-02-08
The present invention provides an electrophotographic photoconductor which contains a substrate, at least a photosensitive layer and a surface layer being formed on the substrate in this order; the surface layer contains a cured material which is cured by irradiating with light a trifunctional or more radical polymerizable monomer having no electric charge transportable structure, a radical polymerizable monomer having an electric charge transportable structure, and a photo-radical polymerization initiator; the photo-radical polymerization initiator contains a titanocene derivative; and the relation between the absorption edge wavelength HA (nm) in the light absorption spectrum of the radical polymerization initiator and the absorption edge wavelength HB (nm) in the light absorption spectrum of the radical polymerizable monomer having an electric charge transportable structure is represented by HA>HB and satisfies HA−HB>40 nm.