Fujifilm Business Innovation Corp.

Yosuke Kubo

Hiroaki Tanaka

Masayuki Seko

Shigeru Fukuda

Daisuke Tanemura

Masato Ono

Masato Furukawa

Koichi Matsumoto

Iori Nishimura

Satoya Sugiura

Kenta Yamakoshi

Ryosuke Kubota

Yoshiro Yamashita

Tomotake Inagaki

Toshiyasu Yukawa

Shogo Hayashi

Ryohei Yoshikawa

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

An intermediate transfer belt includes a resin, conductive carbon particles, and an alkyl silicone oil and a modified body thereof, in which regions different in a content of the alkyl silicone oil and the modified body thereof are formed on an outer peripheral surface, in a case where a silicon amount (Atomic %) on the outer peripheral surface is measured along an axial direction using an X-ray photoelectron spectroscopy, the silicon amount is periodically increased and decreased along the axial direction, and a peak-to-peak distance in an increasing/decreasing period of the silicon amount is 0.1 mm or more and 5.0 mm or less.

Intermediate transfer belt, transfer 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.

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

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

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.

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.

An intermediate transfer body includes a base layer and a surface layer disposed on the base layer, in which surface layer includes a sea-island structure that includes a sea phase and an island phase, in which the sea phase includes a resin, the island phase including an organopolysiloxane.

Intermediate transfer body and image forming apparatus

An endless belt includes: a resin; and electrically conductive particles, wherein an integrated discharge amount is 350 &#x3bc;C or less. The integrated discharge amount is determined by disposing an electrode at a position spaced 60 &#x3bc;m apart from the outer circumferential surface of the belt, applying a voltage to the electrode, and measuring the amount of discharge for a period of 1 second after the voltage reaches 1300 V.

Growing community of inventors

Kanagawa, Japan

Yosuke Kubo