Fujifilm Business Innovation Corp.

Fuji Xerox Co., Ltd.

Masayuki Seko

Masato Ono

Hiroaki Tanaka

Daisuke Tanemura

Masato Furukawa

Shigeru Fukuda

Yosuke Kubo

Koichi Matsumoto

Satoya Sugiura

Iori Nishimura

Minoru Rokutan

Shogo Hayashi

Kenta Yamakoshi

Tomoko Suzuki

Shogo Tomari

Yuki Tagawa

Yuma Tanaka

Daisuke Tanaka

Tomotake Inagaki

Daisuke Tano

Ryohei Yoshikawa

Futoshi Takei

Masaru Suzuki

Jun Kimura

Yoshiro Yamashita

Kenji Kajiwara

Yukiaki Nakamura

Tomoaki Tanaka

Makoto Ochiai

Toshiyasu Yukawa

Ryutaro Kembo

Yuichi Yashiki

Yu Nakamura

Haruyuki Namba

Toshikazu Ohno

Ryosuke Kubota

Hiromoto Yamaki

Taiki Nagamatsu

An endless belt, in which an outer peripheral surface of the endless belt has a coefficient of dynamic friction of 0.85 or less, and in a case where polyester resin particles having a volume-average particle size of 4.7 μm are caused to adhere to the outer peripheral surface under a load of 0 g/cm, and then air is sprayed on the outer peripheral surface from above the outer peripheral surface at a spray pressure that keeps increasing, all the polyester resin particles having adhered to the outer peripheral surface are spaced apart from the outer peripheral surface at the spray pressure of 6 kPa or less.

Endless belt, transfer device, and image forming apparatus

A film includes: a binder resin; and an ester-modified silicone resin, in which the film has a first surface having a static friction coefficient denoted as A and a second surface having a static friction coefficient denoted as B, and A/B is 0.85 or less.

Film, member, transfer device, and image forming apparatus

A lubricant composition fed to an intermediate transfer belt in an intermediate transfer-type electrophotographic image forming method includes solid lubricant particles that are inorganic compound particles having an average size of 120 nm or less and a binder disposed on surfaces of the solid lubricant particles. The content of the binder is 0.01% by mass or more and 20.00% by mass or less of the amount of the lubricant composition.

Lubricant composition, transfer device, and image forming apparatus

A film contains a resin and a siloxane compound having a structure A represented by Formula: [RSiO](provided that in the formula, R represents an organic group and n represents an integer of 2 or more), where at least one R among plural R's in the structure A is a group including an alkyl group and a difference in solubility parameter (SP value) between the resin and the structure A is 3.0 or less in terms of an absolute value, and surface free energy is 40 mJ/mor less.

Film, member, transfer device, fixing device, and image forming apparatus

A film contains a siloxane compound having an alkyl group and a resin having a density of 1.1 g/cmor higher and a glass transition temperature of 150° C. or higher.

A transfer device includes an intermediate transfer belt having a surface to which a toner image may be transferred and solid lubricant particles are attached, a primary transfer member performing primary transfer of a toner image to the surface of the intermediate transfer belt, a secondary transfer member performing secondary transfer of the toner image to a surface of a recording medium, and a detection device detecting a density of the toner image and has a light irradiation unit irradiating the surface of the intermediate transfer belt and a light receiving unit receiving reflected light, in which a relationship between a volume-average particle size A (nm) of the solid lubricant particles attached to the surface of the intermediate transfer belt and a wavelength B (nm) of the light radiated from the light irradiation unit satisfies the following Expression:Expression 1:8.6+300.

Transfer device and image forming apparatus

A polymer film includes at least one type of polymer selected from the group consisting of a resin and rubber and fillers dispersed in the polymer; in which in a case where the polymer film is three-dimensionally analyzed with FIB-SEM, a film thickness of the polymer film is denoted by Tm, and a length of the filler in a film thickness direction of the polymer film is denoted by Lf, a proportion of the number of fillers having Lf/Tm of 0.01 or more and less than 1.0 to the number of all the fillers is more than 40% and less than 100%.

Polymer film, tubular fixing member, fixing device, and image forming apparatus

An endless belt contains a resin and a surface modifier. The endless belt has, at an outer circumferential surface thereof, a sea-island structure including a sea portion containing the resin and island portions containing the surface modifier. The area of the island portions is equal to or less than 5% of the total area of the outer circumferential surface.

An endless belt includes a layer containing a resin and electrically conductive particles. In the endless belt, a discharge starting voltage at which discharge starts when a voltage is applied to the layer and increased is 0.9 kV or more.

An intermediate transfer belt has metal oxide particles as a solid lubricant on a surface of the intermediate transfer belt, in which an average spacing between the metal oxide particles on the surface is 1,000 nm or less, and an average height of the metal oxide particles from the surface is 15 nm or more and 320 nm or less.

Intermediate transfer belt, transfer device, and image forming apparatus

An endless belt contains: a resin; electrically conductive carbon particles; and a surfactant. When polyester resin particles having a volume average particle diameter of 4.7 μm are caused to adhere to an outer circumferential surface of the endless belt and then air is blown onto the outer circumferential surface from an upper side of the outer circumferential surface while the blowing pressure of the air is increased, all the polyester resin particles adhering to the outer circumferential surface are separated from the outer circumferential surface before or when the blowing pressure reaches 6 kPa.

Transfer device, image forming apparatus, and endless belt

An endless belt includes a resin and conductive particles, in which a content of the conductive particles with respect to the endless belt is 5% by volume or more and 20% by volume or less in terms of a volume ratio, a Young's modulus of the endless belt is 3,000 MPa or more, and the number of times of bending endurance of the endless belt measured by an MIT test specified in JIS P8115:2001 is 10,000 or more.

An inorganic compound particle supply member includes inorganic compound particles, and the Young's modulus of the inorganic compound particle supply member is lower than the Young's modulus of a supply object to be supplied with the inorganic compound particles.

Inorganic compound particle supply member, transfer device, and image forming apparatus

An endless belt includes a resin, and particles having an average primary particle diameter of 8 nm or more and 20 nm or less. In a volume frequency distribution of the particles determined by small-angle X-ray scattering measurement, the ratio (area B/area A) of graph area B of a particle diameter region of over 35 nm to graph area A of a particle diameter region of 35 nm or less is 0.3 or less.

An intermediate transfer belt includes a single-layer body including a resin layer or a multilayer body including the resin layer serving as a top surface layer. The surface of the resin layer has an arithmetic average surface height Sa of 0.005 μm or more and 0.020 μm or less. The surface of the resin layer has a maximum height Sz of 0.050 μm or more and 0.200 μm or less. The surface of the resin layer has recesses having a depth of 0.050 μm or more, the recesses being arranged at a regular interval, and the interval of the recesses is 0.20 μm or more and 0.80 μm or less.

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Kanagawa, Japan

Masayuki Seko