WO2020230394A1 - Courroie sans fin conductrice - Google Patents

Courroie sans fin conductrice Download PDF

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Publication number
WO2020230394A1
WO2020230394A1 PCT/JP2020/006605 JP2020006605W WO2020230394A1 WO 2020230394 A1 WO2020230394 A1 WO 2020230394A1 JP 2020006605 W JP2020006605 W JP 2020006605W WO 2020230394 A1 WO2020230394 A1 WO 2020230394A1
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WO
WIPO (PCT)
Prior art keywords
belt
mass
resin
endless belt
carbon black
Prior art date
Application number
PCT/JP2020/006605
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English (en)
Japanese (ja)
Inventor
佐伯　智
達也 裏川
Original Assignee
株式会社ブリヂストン
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社ブリヂストン filed Critical 株式会社ブリヂストン
Publication of WO2020230394A1 publication Critical patent/WO2020230394A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer

Definitions

  • the present invention supplies a developer to the surface of an image forming body such as a latent image holder that holds an electrostatic latent image on the surface in an electrostatic recording process in an electrophotographic device such as a copier or a printer or an electrostatic recording device.
  • the present invention relates to a conductive endless belt (hereinafter, also simply referred to as “belt”) used when transferring the toner image formed in the above process to a recording medium such as paper.
  • the surface of a photoconductor (latent image holder) is first uniformly charged, and an image is projected onto the photoconductor from an optical system to expose it to light.
  • An electrostatic latent image is formed by erasing the charge on the portion, and then toner is supplied to the electrostatic latent image to form a toner image by electrostatic adhesion of the toner, which is used as paper, OHP, or printing paper.
  • a method of printing is adopted by transferring to a recording medium such as.
  • a printing method for forming a color image using an endless transfer belt as shown in FIG. 2 is known.
  • the first developing units 12a to the fourth developing units 12d which develop the electrostatic latent images on the photoconductor drums 11a to 11d with yellow, magenta, cyan, and black, respectively, are sequentially arranged along the transfer belt 10.
  • the transfer belt 10 is circulated and driven in the direction of the arrow in the drawing to sequentially transfer the four-color toner images formed on the photoconductor drums 11a to 11d of the developing units 12a to 12d, thereby sequentially transferring the toner images of four colors on the transfer belt 10.
  • a color toner image is formed on the surface, and the toner image is transferred onto a recording medium 13 such as paper to print out.
  • a recording medium 13 such as paper to print out.
  • the arrangement order of the toners used for development is not particularly limited and can be arbitrarily selected.
  • reference numeral 14 indicates a drive roller or tension roller for circulatingly driving the transfer belt 10
  • 15 is a secondary transfer roller
  • 16 is a recording medium feeder
  • 17 is a heating image on the recording medium, and the like.
  • the fixing device to be fixed by is shown.
  • Patent Document 1 describes an endless belt used in an image forming apparatus, in which 0.1 to 30 weights of a conductive substance is added to 100 parts by weight of a thermoplastic polymer component composed of a thermoplastic elastomer and a thermoplastic resin.
  • a polymer having a melt flow rate (MFR) value (190 ° C., 2.16 kgf load) according to JIS K7210 in the range of 0.01 to 10 g / 10 minutes was added to 100 parts by weight of the thermoplastic polymer component.
  • MFR melt flow rate
  • the four-color toner image in each developing unit is transferred onto the belt by the applied voltage at the time of transferring the toner image from the belt to the recording medium (secondary transfer) (secondary transfer).
  • a transfer mechanism that performs up to (primary transfer) may be adopted.
  • the belt applied to such an image forming apparatus is further required to have low electrical resistance in the belt circumferential direction, which is the driving direction of the belt.
  • an object of the present invention is to solve the above problems and provide a conductive endless belt having a predetermined volume resistivity and a surface resistivity in the belt circumferential direction.
  • the present invention relates to an endless belt-shaped conductive endless belt used in an image forming apparatus.
  • Contains base resin and carbon black The base resin is composed of a thermoplastic polybutylene terephthalate resin, a thermoplastic polybutylene naphthalate resin, and a thermoplastic polybutylene naphthalate elastomer.
  • the carbon black an average particle diameter was at 15nm or more 30nm or less, in which a DBP oil absorption amount is equal to or less than 150 cm 3/100 g or more 300 cm 3/100 g.
  • the belt of the present invention preferably contains the thermoplastic polybutylene terephthalate resin in an amount of 36% by mass or more based on the total amount of the base resin. Further, in the belt of the present invention, the mass ratio of the thermoplastic polybutylene naphthalate resin and the thermoplastic polybutylene terephthalate resin is preferably in the range of 0.64 to 1.5.
  • the carbon black is contained in an amount of 5 parts by mass or more and 20 parts by mass or less with respect to 100 parts by mass of the base resin.
  • the belt of the present invention may further contain talc in an amount of 3 parts by mass or more and 20 parts by mass or less with respect to 100 parts by mass of the base resin.
  • the belt of the present invention is particularly useful as a transfer belt.
  • FIG. 1A and 1B are cross-sectional views in the width direction showing a configuration example of the conductive endless belt of the present invention.
  • the endless belt-shaped conductive endless belt generally has a joint and a non-joint (so-called seamless belt), but in the present invention, any of them may be used, and a seamless belt is preferable. is there.
  • the conductive endless belt of the present invention can be used as a transfer belt or the like in an image forming apparatus such as a copying machine or a printer.
  • the transfer belt 10 shown in FIG. 2 When the conductive endless belt of the present invention is, for example, the transfer belt 10 shown in FIG. 2, it is arranged between the developing units 12a to 12d provided with the photoconductor drums 11a to 11d and the recording medium 13 such as paper. , The four-color toner images formed on the surfaces of the photoconductor drums 11a to 11d, which are circulated and driven by a driving member such as a driving roller 14, are once transferred and held, and then transferred to the recording medium 13. Form a color image.
  • a driving member such as a driving roller 14
  • the belt of the present invention contains a base resin and carbon black
  • the base resin is a thermoplastic polybutylene terephthalate (PBT) resin, a thermoplastic polybutylene naphthalate (PBN) resin, and a thermoplastic polybutylene naphthalate (PBN).
  • PBT thermoplastic polybutylene terephthalate
  • PBN thermoplastic polybutylene naphthalate
  • PBN thermoplastic polybutylene naphthalate
  • PBN thermoplastic polybutylene naphthalate
  • the belt circumferential direction is satisfied while satisfying a predetermined volume resistivity. It has become possible to realize a belt in which the surface resistivity is low and electricity easily flows in the circumferential direction of the belt.
  • the carbon black is unevenly dispersed in the base resin, and the carbon black particles are connected and formed.
  • the structures (aggregates) to be formed are oriented along the surface of the belt.
  • the average particle size of carbon black is less than 15 nm, high conductivity is exhibited even with a very small amount of addition, so even a slight variation in the amount of addition causes a large variation in the resistance value, making it difficult to adjust to a predetermined resistance.
  • it exceeds 30 nm the surface resistivity in the circumferential direction of the belt cannot be sufficiently lowered, and in any case, the desired effect of the present invention cannot be obtained.
  • the average particle diameter is preferably is at 20nm or more 25nm or less, DBP oil absorption, suitably up to 155cm 3/100 g or more 200 cm 3/100 g.
  • the average particle size of carbon black is the arithmetic average particle size.
  • the amount of DBP oil absorbed is measured by the method described in JIS K 6217-4: 2008 and is indicated by the volume of dibutyl phthalate (DBP) absorbed per 100 g of carbon black.
  • the carbon black used in the present invention is not particularly limited in its production method and type as long as it satisfies the above average particle size and DBP oil absorption.
  • furnace black produced by the furnace method can be preferably used.
  • the blending amount of carbon black in the belt of the present invention is preferably 5 parts by mass or more and 20 parts by mass or less, and more preferably 7 parts by mass or more and 15 parts by mass or less with respect to 100 parts by mass of the base resin. Particularly preferably, it is 9 parts by mass or more and 13 parts by mass or less. According to the present invention, a desired volume resistivity and surface resistivity can be achieved at the same time with a relatively small amount of carbon black in the above range.
  • the base resin is made of a thermoplastic PBT resin, a thermoplastic PBN resin and a thermoplastic PBN elastomer.
  • the thermoplastic PBN elastomer in addition to the thermoplastic PBT resin and the thermoplastic PBN resin, the belt can be softened and the belt durability such as breakage resistance can be improved.
  • the blending amount of the thermoplastic PBN elastomer in the belt of the present invention is preferably 40% by mass or less, more preferably 5% by mass, based on the total amount of the base resin. It is 30% by mass or less.
  • the belt of the present invention preferably contains 36% by mass or more of the thermoplastic PBT resin with respect to the total amount of the base resin.
  • the electric resistance does not fluctuate due to a change in voltage in order to exhibit stable performance even if the usage environment changes.
  • a belt whose electrical resistance is voltage-dependent may be required.
  • thermoplastic PBT resin as 36% by mass or more with respect to the total amount of the base resin, carbon black is unevenly distributed in the base resin, and the electrical resistance becomes voltage-dependent. It can be a certain belt.
  • the content of the thermoplastic PBT resin is preferably 36% by mass or more, more preferably 36% by mass or more and 60% by mass or less, and 36% by mass or more and 44% by mass or less, based on the total amount of the base resin. Is particularly preferable.
  • the mass ratio of the thermoplastic PBN resin to the thermoplastic PBT resin is in the range of 0.64 to 1.5. Is preferable.
  • the mass ratio of the thermoplastic PBN resin and the thermoplastic PBT resin within the above range, in addition to the above effects, an effect of suppressing the occurrence of belt curl can be obtained.
  • the curl refers to a phenomenon in which a mark is left on the belt due to the shape in which the belt is fixed when the belt is fixed for a certain period of time.
  • the blending amount of the thermoplastic PBN resin may be, for example, 46% by mass or more and 54% by mass or less with respect to the total amount of the base resin. preferable.
  • the belt of the present invention can further contain talc in an amount of 3 parts by mass or more and 20 parts by mass or less with respect to 100 parts by mass of the base resin.
  • talc is insulating and has a scaly shape, so by blending talc, the insulating talc is stretched and oriented in the in-plane direction during molding, and a carbon black conductive path is formed in the plane direction. It is considered to be because it is limited.
  • the blending amount of talc is preferably 3 parts by mass or more and 20 parts by mass or less, and more preferably 5 parts by mass or more and 15 parts by mass or less with respect to 100 parts by mass of the base resin.
  • the average particle size of talc used in the present invention is preferably 1 ⁇ m or more and 20 ⁇ m or less, and more preferably 3 ⁇ m or more and 10 ⁇ m or less.
  • talc having an average particle size in the above range, the desired effect of the present invention can be satisfactorily obtained, which is preferable.
  • a median diameter D50 can be used, and for example, it can be measured by a laser light scattering method.
  • another conductive agent may be blended in order to adjust the conductivity.
  • the conductive agent is not particularly limited, and a known electronic conductive agent, ionic conductive agent, or the like can be appropriately used.
  • the electronic conductive agent specifically includes, for example, natural graphite, artificial graphite, antimony-doped tin oxide, titanium oxide, zinc oxide, nickel, copper, silver, germanium and other metals and metal oxides, polyaniline, polypyrrole. , Polyacetylene and other conductive polymers, carbon whiskers, graphite whiskers, titanium carbide whiskers, conductive potassium titanate whiskers, conductive barium titanate whiskers, conductive titanium oxide whiskers, conductive zinc oxide whiskers, etc. Can be mentioned.
  • ionic conductive agent examples include perchlorates such as tetraethylammonium, tetrabutylammonium, dodecyltrimethylammonium, hexadecyltrimethylammonium, benzyltrimethylammonium and modified fatty acid dimethylethylammonate, and chlorates.
  • Ammonites such as hydrochlorides, bromines, iodates, borohydrides, sulfates, ethyl sulfates, carboxylates, sulfonates, alkali metals such as lithium, sodium, potassium, calcium, magnesium , Alkaline earth metal perchlorate, chlorate, hydrochloride, bromine, iodiate, borohydrophosphite, sulfate, trifluoromethylsulfate, sulfonate and the like.
  • the other conductive agents may be used alone or in combination of two or more, and for example, an electronic conductive agent and an ionic conductive agent may be used in combination. In this case, it is possible to stably develop conductivity even with fluctuations in the applied voltage and changes in the environment.
  • the total amount of the electronic conductive agent including the carbon black is usually 100 parts by mass or less with respect to 100 parts by mass of the base resin, for example, 1 to 100 parts by mass. Of these, 1 to 80 parts by mass is preferable, and 5 to 50 parts by mass is particularly preferable.
  • the amount of the ionic conductive agent is usually 0.01 to 10 parts by mass, particularly preferably 0.05 to 5 parts by mass with respect to 100 parts by mass of the base resin.
  • polyester-based materials such as thermoplastic PBT resin, thermoplastic PBN resin, and thermoplastic PBN elastomer used as the base resin in the present invention have a drawback that they tend to cause a decrease in molecular weight due to hydrolysis during molding and heating. Therefore, it is preferable to add a compound having a carbodiimide group to the belt of the present invention and recrosslink the polyester-based material by the reaction between the carbodiimide group and the carboxylic acid to suppress the decrease in molecular weight. As a result, embrittlement of the belt can be prevented, and the crack resistance of the belt during durability can be improved.
  • Such a carbodiimide compound is easily available on the market, and examples thereof include the trade name carbodilite manufactured by Nisshinbo Chemical Co., Ltd.
  • the carbodiimide compound can also be used in the form of pellets or the like that have been master-batched in advance.
  • the trade names carbodilite E pellets and B pellets manufactured by Nisshinbo Chemical Co., Ltd. can be preferably used.
  • the amount of the carbodiimide compound added is not particularly limited, but is preferably 0.05 to 30 parts by mass, and more preferably 0.1 to 5 parts by mass with respect to 100 parts by mass of the base resin. Is inside.
  • the belt of the present invention may appropriately contain other functional components in addition to the above-mentioned components as long as the effects of the present invention are not impaired.
  • Such other functional components include, for example, various fillers, reinforcing materials, flame retardants, antioxidants, compatibilizers, coupling agents, lubricants, surface treatment agents, pigments, ultraviolet absorbers, antistatic agents. , Dispersant, neutralizer, foaming agent, cross-linking agent and the like. Further, a colorant may be added for coloring.
  • the volume resistivity is in the range of 10 9 to 10 11 ⁇ ⁇ cm, and the surface resistivity is in the range of 10 6.5 to 10 8.5 ⁇ / ⁇ . Can be adjusted within.
  • the thickness of the belt of the present invention is appropriately selected according to the form of the applied member or the like, but is preferably in the range of 50 to 200 ⁇ m.
  • the surface roughness thereof is preferably 10 ⁇ m or less, particularly 6 ⁇ m or less, and further 3 ⁇ m or less in JIS 10-point average roughness Rz.
  • the tensile elastic modulus of the belt of the present invention is preferably 1000 MPa or more, particularly 1500 to 3000 MPa.
  • the belt of the present invention is formed on the drive member on the surface of the image forming apparatus of FIG. 2 on the side in contact with the drive member such as the drive roller 14.
  • a fitting portion that fits with the fitting portion (not shown) may be formed.
  • such a fitting portion is provided, and the fitting portion (not shown) provided on the drive member is fitted and run to run the conductive endless belt in the width direction of the conductive endless belt. It is possible to prevent the deviation of the belt.
  • the fitting portion is not particularly limited, but as shown in FIGS.
  • a continuous ridge is formed along the circumferential direction (rotational direction) of the belt, and this is a drive roller or the like. It is preferable that the drive member is fitted into a groove formed along the circumferential direction on the peripheral surface of the drive member.
  • FIG. 1A an example in which one continuous convex strip is provided as a fitting portion is shown, but in this fitting portion, a large number of convex portions are arranged in a row along the circumferential direction (rotation direction) of the belt. It may be provided so as to project, two or more fitting portions may be provided (FIG. 1B), or may be provided at the central portion in the width direction of the belt. Further, instead of the ridges shown in FIGS. 1A and 1B as the fitting portion, a groove is provided along the circumferential direction (rotational direction) of the belt, and this is provided in the circumferential direction on the peripheral surface of the drive member such as the drive roller. It may be fitted with the ridges formed along the line.
  • the belt of the present invention can be suitably produced by extrusion molding of a resin composition containing the above-mentioned base material resin and carbon black, and specifically, for example, the above-mentioned base material resin and carbon black by a twin-screw kneader. It can be produced by kneading a resin composition containing various compounding components of the above and extruding the obtained kneaded product using an annular die. Alternatively, a powder coating method such as electrostatic coating, a dip method or a centrifugal casting method can also be preferably adopted.
  • the belt of the present invention when the belt of the present invention is manufactured by extrusion molding, it is considered that carbon black and talc are likely to be oriented in the extrusion direction or the direction in which the inner diameter of the belt is expanded, that is, along the belt surface, which is preferable.
  • the resin composition containing the base resin and carbon black was mixed and dispersed with a twin-screw kneader to obtain pellets.
  • an endless shape transfer belt was formed with an inner diameter of 220 mm, a thickness of 100 ⁇ m, and a width of 250 mm by extrusion molding with a molding machine equipped with a cylindrical die at the tip of a single-screw extruder. ..
  • the blending amount in Table 1 indicates a part by mass.
  • volume resistivity ⁇ Measurement of volume resistivity>
  • a high-resta UP MCP-HT450 manufactured by Mitsubishi Chemical Analytech Co., Ltd.
  • a UR probe connected to it was used as a measuring device, and measurement was performed at a voltage of 250 V.
  • the volume resistivity was determined as the average value of the values measured at 20 points at a pitch of 30 mm. The results are shown in digits.
  • ⁇ Measurement of surface resistivity> A measurement was performed at a temperature of 23 ° C. and a relative humidity of 50% using a resistivity meter Hiresta (probe UR-100) manufactured by Mitsubishi Chemical Corporation at a voltage of 250 V, an application time of 10 seconds, and a pitch of 30 mm in the circumferential direction.
  • the surface resistivity in the circumferential direction of the belt was determined as the average value of the values measured at 20 points in. The results are shown in digits.
  • the base resin is made of a thermoplastic PBT resin, a thermoplastic PBN resin, and a thermoplastic PBN elastomer, and the average particle size of carbon black and the DBP oil absorption amount are within a predetermined range. It was confirmed that the surface resistivity in the circumferential direction of the belt can be lowered when the volume resistivity is kept constant. It was also confirmed that the above effect can be obtained while suppressing the amount of carbon black blended by further blending talc.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

La présente invention concerne une courroie sans fin conductrice qui présente, en même temps, une résistivité volumique spécifique et une résistivité superficielle spécifique dans la direction circonférentielle de la courroie.　La présente invention consiste donc en une courroie sans fin conductrice ayant la forme d'une courroie sans fin, qui est utilisée dans un appareil de formation d'image. Cette courroie sans fin conductrice contient une résine d'un matériau de base et du noir de carbone ; la résine du matériau de base est composée d'une résine de poly(téréphtalate de butylène) thermoplastique, d'une résine de poly(naphtalate de butylène) thermoplastique et d'un élastomère de poly(naphtalate de butylène) thermoplastique ; et le noir de carbone présente un diamètre de particule moyen qui varie de 15 nm à 30 nm (bornes incluses) et une absorption d'huile DBP qui varie de 150 cm3/100 g à 300 cm3/100 g (bornes incluses).
PCT/JP2020/006605 2019-05-10 2020-02-19 Courroie sans fin conductrice WO2020230394A1 (fr)

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JP2019-090022 2019-05-10
JP2019090022A JP2020187182A (ja) 2019-05-10 2019-05-10 導電性エンドレスベルト

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WO2020230394A1 true WO2020230394A1 (fr) 2020-11-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024024662A1 (fr) * 2022-07-25 2024-02-01 三菱ケミカル株式会社 Composition de résine et objet moulé

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003005538A (ja) * 2001-06-26 2003-01-08 Yuka Denshi Co Ltd エンドレスベルト、画像形成装置用ベルト及び画像形成装置
JP2008089981A (ja) * 2006-10-02 2008-04-17 Bridgestone Corp 導電性エンドレスベルト
JP2008292842A (ja) * 2007-05-25 2008-12-04 Bridgestone Corp 導電性エンドレスベルト
US20120237863A1 (en) * 2011-03-17 2012-09-20 Xerox Corporation Intermediate transfer member and composition

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003005538A (ja) * 2001-06-26 2003-01-08 Yuka Denshi Co Ltd エンドレスベルト、画像形成装置用ベルト及び画像形成装置
JP2008089981A (ja) * 2006-10-02 2008-04-17 Bridgestone Corp 導電性エンドレスベルト
JP2008292842A (ja) * 2007-05-25 2008-12-04 Bridgestone Corp 導電性エンドレスベルト
US20120237863A1 (en) * 2011-03-17 2012-09-20 Xerox Corporation Intermediate transfer member and composition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024024662A1 (fr) * 2022-07-25 2024-02-01 三菱ケミカル株式会社 Composition de résine et objet moulé

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