WO2016006591A1 - 表面改質処理剤、画像形成装置用部材及びトナー定着機構 - Google Patents
表面改質処理剤、画像形成装置用部材及びトナー定着機構 Download PDFInfo
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- WO2016006591A1 WO2016006591A1 PCT/JP2015/069484 JP2015069484W WO2016006591A1 WO 2016006591 A1 WO2016006591 A1 WO 2016006591A1 JP 2015069484 W JP2015069484 W JP 2015069484W WO 2016006591 A1 WO2016006591 A1 WO 2016006591A1
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- silicone oil
- image forming
- modified silicone
- treatment agent
- surface modification
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
- C09D183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/006—Anti-reflective coatings
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- 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
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- 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
- G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
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- 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
- G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
- G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
- G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
- G03G15/206—Structural details or chemical composition of the pressure elements and layers thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/20—Details of the fixing device or porcess
- G03G2215/2003—Structural features of the fixing device
- G03G2215/2016—Heating belt
- G03G2215/2035—Heating belt the fixing nip having a stationary belt support member opposing a pressure member
Definitions
- the present invention relates to a surface modifying agent, a member for an image forming apparatus, and a toner fixing mechanism, and more particularly, to a surface modifying agent capable of realizing low adhesion and low friction, a member for an image forming device and a toner fixing mechanism.
- a contact developing type is known in which development is performed by uniformly pressing a developing roll on which toner (developer) is adhered to a photosensitive member.
- the electrostatic latent image means forms an electrostatic latent image on the surface of the photosensitive drum based on predetermined image information, while the toner supply roller supplies toner to the surface of the developing roll, and the toner is supplied onto the developing roll.
- a developer amount regulating member also referred to as “regulating blade” regulates the supplied toner to a uniform thickness, and a uniform thin layer of toner is formed on the surface of the developing roll.
- a developing roll having a thin toner layer formed on its surface sequentially deposits toner on the electrostatic latent image formed on the photosensitive drum at or near the nip with the photosensitive drum.
- the toner on the photosensitive drum is transferred to the paper, and then the fixing roller fuses and fixes the toner on the paper by heat and pressure. Thus, toner development is performed.
- the toner fixing unit a structure in which a sheet is sandwiched between a pressure roller and a fixing pad via a fixing belt is generally used.
- the fixing belt is heated by the radiation heat of a halogen heater. Ru.
- the fixing belt is heated by the radiant heat of the halogen heater, and there is a problem that the heater itself becomes large.
- the heating mechanism of the fixing belt can be miniaturized, the power for heating can be reduced, and the temperature rising rate can be increased.
- Patent Document 1 proposes a method of forming a surface layer on the surface of a rubber elastic layer, and a technique of surface-modifying the surface of the rubber elastic layer.
- Example 16 of paragraph 0076 of Patent Document 1 after immersing the rubber elastic layer developing roll A in the surface modifying solution for 10 minutes at normal temperature, the silicone alkoxy oligomer is cured by leaving it for 24 hours under normal temperature and normal humidity environment.
- the developing roll B There is disclosed a technology for producing the developing roll B in which the vicinity of the surface of the rubber elastic layer is made to be highly hardened.
- surface modification liquid As surface modification liquid, 2 parts by mass of silicone alkoxy oligomer ("KR-500” manufactured by Shin-Etsu Chemical Co., Ltd.) and 100 parts by mass of n-hexane, and curing catalyst of silicone alkoxy oligomer ("D-20” manufactured by Shin-Etsu Chemical Co., Ltd.) The surface modifying solution prepared by dissolving 0.08 parts by mass is used.
- a method of applying PTFE or PFA (tetrafluoroethylene-perfluoroalkoxy copolymer) powder or PTFE or PFA aqueous dispersion and melting it at 300 ° C. or more to form a film If it is taken, it is difficult to make the coefficient of friction less than a predetermined value, and there is a problem that the non-adhesion is not sufficient.
- PTFE or PFA tetrafluoroethylene-perfluoroalkoxy copolymer
- Patent No. 5396540 gazette JP 2004-138743 A
- An object of the present invention is to provide a surface modification treatment agent, a member for an image forming apparatus, and a toner fixing mechanism which can realize low adhesion and low friction.
- (A) alkoxy oligomers (B) (1) Long chain silicone oil having a viscosity of 50 cSt to 500,000 cSt, or (2) carbinol modified silicone oil having a functional organic group introduced to the terminal and / or side chain of silicone oil, carboxyl modified silicone oil , At least one silicone oil selected from polyether modified silicone oil or fluoroalkyl modified silicone oil, (C) A surface-modifying agent comprising an organotitanium compound or an organoaluminum compound.
- a toner fixing mechanism comprising the pressing roller according to the above 4, a fixing belt, and a heating roller, The toner fixing mechanism is characterized in that the pressing roller is disposed in contact with the heating roller via the fixing belt.
- the present invention it is possible to provide a surface modification treatment agent, a member for an image forming apparatus, and a toner fixing mechanism which can realize low adhesion and low friction.
- Principal part sectional view showing an example of use of the pressure roller in the toner fixing mechanism of the present invention
- Schematic diagram showing an example of a developing device using the member for image forming apparatus of the present invention
- the surface modification treatment agent of the present invention is (A) alkoxy oligomer, (B) (1) long chain silicone oil having a viscosity of 50 cSt to 500,000 cSt, or (2) end of silicone oil and / or Or at least one silicone oil selected from carbinol-modified silicone oil, carboxyl-modified silicone oil, polyether-modified silicone oil, or fluoroalkyl-modified silicone oil having a functional organic group introduced into the side chain, and (C) organotitanium It consists of a compound or an organoaluminum compound.
- the surface modification treatment agent of the present invention is used as a coating solution obtained by mixing, dissolving, or dispersing the above components and a diluting solvent.
- the coating liquid exhibits the function of modifying the surface of the substrate by reducing its adhesion and reducing its friction by reforming it by applying it to the surface of the substrate and drying or baking after drying.
- the surface modification treatment agent of the present invention When the surface modification treatment agent of the present invention is used, the surface becomes a mirror surface, and since the dent is small, the friction is low and no dirt is accumulated in the dent.
- An alkoxy oligomer is a relatively low molecular weight resin having both an organic group and an alkoxysilyl group.
- the organic group include an alkyl group such as a methyl group, an aryl group such as a phenyl group, and an oligomer having an organic functional group such as an epoxy group or a mercapto group.
- an alkoxy group a methoxy group, an ethoxy group, etc. are mentioned.
- the organic group is preferably a methyl group
- the alkoxy group is preferably a methoxy group, from the viewpoint of the reactivity with the substrate and the non-adhesiveness after firing.
- methyl alkoxy oligomers in which the organic group is a methyl group, are excellent in hydrolysis reactivity, can be easily used as a coating agent of normal temperature / moisture curing type by combined use of various curing catalysts, and have high hardness It is preferable because a cured film having excellent scratch resistance can be formed.
- an alkoxy oligomer is preferable because it has many reactive functional groups, is highly adhesive, is flexible, and does not decrease in adhesiveness even if a lubricating component is added.
- the viscosity of the alkoxy oligomer used in the present invention is preferably 5 to 120 cSt, more preferably 20 to 100 cSt.
- the viscosity of the alkoxy oligomer is less than 5 cSt, it is not preferable because it becomes difficult to form repelling at the time of coating or to form a uniform mirror film.
- the viscosity of the alkoxy oligomer exceeds 120 cSt, the compatibility with the silicone oil to be added is deteriorated, the solution is not uniform, and the coating surface is not uniform. In addition, the storage stability of the surface modification treatment solution is deteriorated, and the coating method is not preferable.
- alkoxy oligomers commercially available products can be used, and “X-40-9225” manufactured by Shin-Etsu Chemical Co., Ltd. is preferably mentioned.
- Catalyst> As catalysts (hardening agents) used for alkoxy oligomers, titanium-based, aluminum-based, and phosphoric acid-based catalysts are known, but from the viewpoint of flex resistance, impact resistance, etc., in the present invention, organic titanium compounds or Use an organoaluminum compound.
- organic titanium compound examples include tetrabutyl titanate and tetraisopropyl titanate.
- organic aluminum compound aluminum triisopropoxide, aluminum tri secondary butoxide, etc. are mentioned.
- the amount of the catalyst is preferably in the range of 0.5 to 50 parts by weight, and more preferably in the range of 1.0 to 10 parts by weight with respect to 100 parts by weight of the alkoxy oligomer.
- the curing speed tends to be fast and the non-tackiness tends to be improved, but it is not preferable because it tends to lose flexibility.
- the above range is preferable because when the catalyst is blended in a small amount, the opposite tendency appears.
- catalysts Commercially available products can be used as these catalysts, and preferred examples include “D-20” (titanium based catalyst) and “DX-9740” (aluminum based catalyst) manufactured by Shin-Etsu Chemical Co., Ltd.
- silicone oil By adding the silicone oil, low friction, lubricity and non-stickiness can be obtained.
- silicone oil two types of silicone oils which can be roughly classified as follows can be used.
- a straight silicone oil having a viscosity of 50 to 500,000 cSt, preferably 50 cSt to 50,000 cSt, more preferably 50 to 10,000 cSt can be used.
- the straight silicone oil in the present invention refers to a non-modified silicone oil in which no functional organic group is introduced into the main chain and / or side chain of the silicone oil.
- dimethyl silicone oil methylphenyl silicone oil, methyl hydrogen silicone oil and the like can be mentioned.
- dimethyl silicone oil can be preferably used in the present invention.
- the viscosity is less than 50 cSt, it is not preferable because the lubricity and the non-adhesive property are no longer sustained or durable.
- the viscosity exceeds 500,000 cSt, the compatibility with the alkoxy oligomer is deteriorated, and after coating, it can not be uniformly applied, which is not preferable.
- carbinol modified silicone oil (silicone oil having a phenolic OH group) in which a functional organic group is introduced to the terminal and / or side chain of silicone oil
- carboxy modified silicone oil (carboxyl Using at least one silicone oil selected from silicone oil having a group, polyether modified silicone oil (silicone oil having a polyether group), or fluoroalkyl modified silicone oil (silicone oil having a fluoroalkyl group) it can.
- any silicone oil having a functional organic group only at one end, at both ends, and / or in a side chain can be used.
- the viscosity of these modified silicone oils is not limited unlike the straight silicone oils described above.
- More preferable reactive silicone oil can be represented by the following general formula (1) or (2).
- each R represents —C 3 H 6 OC 2 H 4 OH, —OH or —COOH, and n represents an integer of about 20 or less.
- R represents -C 3 H 6 OC 2 H 4 OH, -OH, -COOH, or -CH 2 CH 2 CF 3
- m is an integer of about 20 or less
- n is about Represents an integer of 20 or less.
- Particularly preferred reactive silicone oils are those of the general formula (1) in which each R is —C 3 H 6 OC 2 H 4 OH, among which those in which n is about 10 are particularly preferred.
- silicone oils having hydrogen bonded to silicon in the silicone backbone can be used.
- silicone oils commercially available products can be used, and as dimethyl silicone oils, “KF-96-50CS” manufactured by Shin-Etsu Chemical Co., Ltd., “KF-96-10,000 CS” manufactured by Shin-Etsu Chemical Co., Ltd., and carbinol modified silicone oil And “X-22-160AS” manufactured by Shin-Etsu Chemical Co., Ltd., and the like.
- the compounding amount of the silicone oil is preferably in the range of 0.3 to 30 parts by weight, and more preferably in the range of 0.5 to 10 parts by weight with respect to 100 parts by weight of the alkoxy oligomer.
- the amount is less than 0.3 parts by weight, the coefficient of friction is high, the abrasion resistance is not good, and adhesion occurs, which is not preferable.
- the amount is more than 30 parts by weight, the abrasion resistance is deteriorated due to the deterioration of the adhesion to the substrate, the insufficient strength of the film, and the like, which is not preferable.
- the compatibility with the binder can be improved by raising the firing temperature without using the modified silicone oil.
- a dilution solvent there are a water system and an organic solvent system, and a low boiling point solvent and a high boiling point solvent can be combined according to the drying speed.
- the dilution solvent is preferably in the range of 6 to 80 parts by weight, more preferably 30 to 70 parts by weight with respect to 100 parts by weight of the alkoxy oligomer.
- Specific dilution solvents preferably include organic solvents such as methyl ethyl ketone (MEK), methyl isobutyl ketone (MIBK), tetrahydrofuran (THF), acetone, ethyl acetate, butyl acetate, toluene, xylene, heptane, cyclohexanone, isophorone and the like.
- organic solvents such as methyl ethyl ketone (MEK), methyl isobutyl ketone (MIBK), tetrahydrofuran (THF), acetone, ethyl acetate, butyl acetate, toluene, xylene, heptane, cyclohexanone, isophorone and the like.
- Base material to be a target of a surface modification treatment agent As a substrate to be a target to be modified by the surface modification treatment agent of the present invention, rubber materials such as silicone rubber and fluororubber; resin materials; metal materials such as stainless steel; Materials etc. may be mentioned. When a coating layer is formed on these substrates, those coating surfaces are also included in the substrate.
- Pressure Roller for Image Forming Apparatus As a member for an image forming apparatus which can suitably use the surface modifying agent of the present invention, a pressure roller can be mentioned.
- FIG. 1 is a cross-sectional view of an essential part showing an example of use of the pressure roller in the toner fixing mechanism of the present invention.
- FIG. 2 is a schematic view showing an example of a developing device using the member for an image forming apparatus of the present invention.
- the pressing roller 1 in the present invention is a developing process in the developing device, in which the fixing belt 3 and the pressing roller 5 fuse and fix the toner on the sheet by heat and pressure after the toner is transferred to the sheet. It refers to a roller used to press and heat the belt 3.
- the fixing belt 3 is sandwiched between the pressure roller 1 and the heating roller 2 immediately before sheet passing, and the fixing belt 3 itself is pressurized and heated to be heated directly. That is, the pressure roller 1 is in contact with the heating roller 2 via the fixing belt 3.
- the structure of the heating roller 2 is not particularly limited as long as the heating roller 2 itself can be heated, and known methods can be used.
- a heating source such as a heater can be installed inside a metal cylindrical roller to heat the heating roller itself.
- the heating mechanism of the fixing belt can be miniaturized, power for heating can be reduced, and the temperature rising rate can be increased.
- a non-adhesive coating film can be formed by the pressure roller coated with the surface modification treatment agent of the present invention, and a pressure roller surface excellent in non-adhesiveness and low friction can be obtained.
- a rubber base layer 1b is formed around a core 1a, and further around the rubber base layer 1b.
- a metal layer 1c is formed on the metal layer 1c, and a coating layer 1d of a surface modifying agent is formed thereon.
- a rubber base layer is coated and formed around a core material, then a metal layer is formed, and a surface modifying agent is formed thereon. After applying and drying on the metal layer, baking is performed to form a covering layer.
- the surface modifying agent (coating solution) is applied to the surface of a substrate and dried or baked and dried to thereby lower the adhesion, reduce friction, and modify the surface of the substrate. Demonstrate a function.
- the coating method is not particularly limited, but can be performed by a known coating method such as dipping method, spray method, roll coating method, doctor blade method, flow coating method and the like.
- Drying conditions can be set as appropriate, but it is preferable to carry out from room temperature to 150 ° C. for 5 to 20 minutes.
- the firing may not be carried out in some cases but is preferably carried out at room temperature to 250 ° C. for about 5 to 120 minutes, and can be appropriately set according to the heat resistance of the substrate.
- the thickness of the coating (coating layer) is preferably 1 to 8 ⁇ m, more preferably 2 to 6 ⁇ m.
- the rubber base layer and the metal layer are preferably formed of the same rubber base as the fixing belt and metal.
- silicone rubber is preferably used from the viewpoint of low hardness and less settling.
- the metal which is excellent in heat conductivity such as Ni electroforming (electroforming, electroforming) described in the patent 2706432 and 4318909, is mentioned.
- metals such as Ni electroforming are excellent in durability in high temperature thermal cycling and are preferable.
- a conductive agent In the rubber base layer, if necessary, a conductive agent, a filler, an extender, a reinforcing agent, a processing aid, a curing agent, a vulcanization accelerator, a crosslinking agent, a crosslinking aid, an antioxidant, a plasticizing agent
- Various additives such as an agent, an ultraviolet absorber, a pigment, a silicone oil, an auxiliary agent, and a surfactant can be appropriately added.
- conductive agent known conductive agents such as ion conductive agents and electronic conductive agents can be used.
- salts of Group 1 metal of periodic table such as LiCF 3 SO 3 , NaClO 4 , LiClO 4 , LiAsF 6 , LiBF 4 , NaSCN, KSCN, NaCl, etc., NH 4 Cl, (NH 4 ) 2 SO 2 4 , ammonium salts such as NH 4 NO 3 , salts of Group 2 metals of the periodic table such as Ca (ClO 4 ) 2 , Ba (ClO 4 ) 2 , salts thereof and 1,4-butanediol, ethylene glycol, Complexes with polyhydric alcohols such as polyethylene glycol, propylene glycol and polypropylene glycol and derivatives thereof, salts thereof and ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, polyethylene glycol monomethyl ether, monools of polyethylene glycol monoethyl ether Complex of And cationic surfactants such as quaternary ammonium salt
- carbon black carbon black, carbon based materials such as graphite, metals such as aluminum, silver, gold, tin-lead alloy, copper-nickel alloy or alloys, zinc oxide, titanium oxide, aluminum oxide, tin oxide, oxide Examples thereof include metal oxides such as antimony, indium oxide and silver oxide, and substances obtained by plating conductive metals such as copper, nickel and silver with various fillers.
- the conductive agent based on these ion conductive agents and electron conductive agents may be used alone or in combination of two or more types in the form of powder or fiber.
- carbon black can be preferably used from the viewpoint of easy control of conductivity and economy.
- Example 1 ⁇ Creation of surface modification agent> -Alkoxy oligomer (24 wt% of alkoxy group) (Shin-Etsu Chemical "X-40-9225”) 100 parts by weight-Titanium-based catalyst (Shin-Etsu Chemical "D-20”) 2.0 parts by weight-OH modified silicone Oil (Shin-Etsu Chemical "X-22-160AS” 4.2 parts by weight, diluted solvent; methyl ethyl ketone 50 parts by weight
- the above components were mixed to prepare a surface modification treatment agent.
- a silicone rubber substrate layer is formed around the core material, then a Ni electroformed laminate is formed, and a surface modification treatment agent is spray coated on the Ni electroformed surface by spraying, and air-dried for 10 minutes and then fired.
- the thickness of the surface modified coating layer at this time was 2 to 3 ⁇ m.
- Abrasion resistance test (reciprocation test) About the metal laminate plate of the obtained test piece, the presence or absence of peeling of a film and the abrasion condition of a film were evaluated after completion
- Example 2 A surface treatment agent was obtained in the same manner as in Example 1 except that OH-modified silicone oil was changed to dimethyl silicone oil ("KF-96-50CS" manufactured by Shin-Etsu Chemical Co., Ltd .; viscosity 50 cSt).
- Example 3 A surface treatment agent was prepared in the same manner as in Example 1 except that OH-modified silicone oil was changed to dimethyl silicone oil ("KF-96 to 10,000 CS" manufactured by Shin-Etsu Chemical Co., Ltd .; viscosity 10,000 cSt). Obtained.
- Example 4 In Example 1, it implemented except changing 4.2 weight part of OH modified silicone oil into 0.5 weight part of dimethyl silicone oil ("KF-96-10,000 CS" by Shin-Etsu Chemical Co., Ltd .; viscosity 10,000 cSt). A surface treatment agent was obtained in the same manner as in Example 1.
- Example 5 In Example 1, 4.2 parts by weight of OH-modified silicone oil is changed to 0.5 parts by weight of dimethyl silicone oil ("KF-96 to 10,000 CS" manufactured by Shin-Etsu Chemical Co., Ltd .; viscosity 10,000 cSt), and the baking conditions are A surface treatment agent was obtained in the same manner as in Example 1 except that the temperature was changed from 150 ° C. for 30 minutes to 230 ° C. for 30 minutes.
- Example 1 A surface treatment agent was obtained in the same manner as in Example 1 except that OH-modified silicone oil was changed to amine-modified silicone oil ("KF-393" manufactured by Shin-Etsu Chemical Co., Ltd.).
- Example 2 A surface treatment agent was obtained in the same manner as in Example 1 except that 4.2 parts by weight of OH-modified silicone oil was changed to 0 parts by weight in Example 1.
- Example 3 In Example 1, 100 parts by weight of an alkoxy oligomer and 2.0 parts by weight of a titanium-based catalyst are changed to 100 parts by weight of a silane coupling agent ("APZ-6633" manufactured by Toray Dow), and OH modified silicone oil 4.2 A surface treatment agent was obtained in the same manner as Example 1, except that the weight part was changed to 0 weight part, and 50 weight parts of methyl ethyl ketone was changed to 0 weight part.
- a silane coupling agent "APZ-6633" manufactured by Toray Dow
- Example 4 100 parts by weight of an alkoxy oligomer and 2.0 parts by weight of a titanium-based catalyst are changed to 100 parts by weight of a silane coupling agent ("APZ-6633" manufactured by Toray Dow), and OH modified silicone oil 4.2 Implementation was carried out except that the weight part was changed to 0.33 parts by weight of dimethyl silicone oil ("KF-96 to 10,000 CS" manufactured by Shin-Etsu Chemical Co., Ltd .; viscosity 10,000 cSt) and 50 parts by weight of methyl ethyl ketone was changed to 0 parts by weight A surface treatment agent was obtained in the same manner as in Example 1.
- Example 5 In Example 1, 100 parts by weight of an alkoxy oligomer and 2.0 parts by weight of a titanium-based catalyst are changed to 100 parts by weight of an alkoxysilane ("Nano glass coat SV9000" manufactured by Nano Glass Coat Japan), OH modified silicone oil 4.2 A surface treatment agent was obtained in the same manner as Example 1, except that the weight part was changed to 0 weight part, and 50 weight parts of methyl ethyl ketone was changed to 0 weight part.
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Abstract
Description
表面に凹凸があると、その凹みに汚れや樹脂溶融物、塗料が付着してしまう。一度付着してしまうと落とすことが困難である。
(A)アルコキシオリゴマー、
(B)(1)粘度が50cSt~50万cStの長鎖シリコーンオイル、又は(2)シリコーンオイルの末端及び/又は側鎖に官能性有機基を導入したカルビノール変性シリコーンオイル、カルボキシル変性シリコーンオイル、ポリエーテル変性シリコーンオイル、またはフロロアルキル変性シリコーンオイルから選ばれる少なくとも1種のシリコーンオイル、
(C)有機チタン化合物または有機アルミニウム化合物
からなる表面改質処理剤。
該押圧ローラは、前記定着ベルトを介して、前記加熱ローラと対接して配置されることを特徴とするトナー定着機構。
本発明の表面改質処理剤は、(A)アルコキシオリゴマー、(B)(1)粘度が50cSt~50万cStの長鎖シリコーンオイル、又は(2)シリコーンオイルの末端及び/又は側鎖に官能性有機基を導入したカルビノール変性シリコーンオイル、カルボキシル変性シリコーンオイル、ポリエーテル変性シリコーンオイル、またはフロロアルキル変性シリコーンオイルから選ばれる少なくとも1種のシリコーンオイル、及び(C)有機チタン化合物または有機アルミニウム化合物からなる。
アルコキシオリゴマーは、有機基とアルコキシシリル基を併せ持つ比較的低分子の樹脂である。有機基としては、メチル基などのアルキル基、フェニル基などのアリール基などのほか、エポキシ基やメルカプト基などの有機官能基を持ったオリゴマーが挙げられる。アルコキシ基としては、メトキシ基、エトキシ基などが挙げられる。
アルコキシオリゴマーに用いられる触媒(硬化剤)としては、チタン系、アルミニウム系、リン酸系触媒が知られているが、耐屈曲性、耐衝撃性などの観点から、本発明では、有機チタン化合物または有機アルミニウム化合物を使用する。
シリコーンオイルを添加することにより、低摩擦化、潤滑性、非粘着性を得ることができる。
希釈溶剤としては、水系、有機溶剤系があり、乾燥速度に応じて、低沸点溶剤、高沸点溶剤を組み合わせることができる。
本発明の表面改質処理剤により改質対象となる基材としては、シリコーンゴム、フッ素ゴム等のゴム材料;樹脂材料;ステンレスなどの金属材料;コンクリート材料などが挙げられる。これらの基材に塗布層が形成されている場合には、それらの塗布面も基材に含まれる。
本発明の表面改質処理剤を好適に用いることができる画像形成装置用部材としては、押圧ローラを挙げることができる。
<表面改質処理剤の作成>
・アルコキシオリゴマー(アルコキシ基量24wt%)(信越化学社製「X-40-9225」) 100重量部
・チタン系触媒(信越化学社製「D-20」) 2.0重量部
・OH変性シリコーンオイル(信越化学工業社製「X-22-160AS」 4.2重量部
・希釈溶剤;メチルエチルケトン 50重量部
芯材の周囲に、シリコーンゴム基材層を形成し、次いで、Ni電鋳積層体を形成し、Ni電鋳表面にスプレーで表面改質処理剤をスプレー塗布し、風乾10分後焼成を行った。
この際の表面改質被覆層の厚みは2~3μmであった。
SUS301厚み0.2mmの鋼板に同様にスプレーで塗布、焼成して、テストピースの金属積層板を作成した。
上記のテストピースの金属積層板に対して、下記の項目について評価を行ない、結果を表1に示した。
ASTM D-1894(JIS K7125:1999、P8147、ISO8295:1995)に準じ、新東科学製表面性試験機「ヘイドン・トライボギア」によって、厚み2mmの鋼板表面に、上記で得られた表面処理剤を2~3μmになるように、スプレー塗布し、焼成後、動摩擦係数を測定した。その結果を表1に示した。
(試験条件)
相手材:直径10mmのSUS304鋼球
移動速度:50mm/分
荷重:0.49N
振幅:50mm
得られたテストピースの金属積層板について、JIS K5600-5-6:1999(ISO2409:1992)に準じ、碁盤目試験後テープ剥離試験を実施し、接着性を以下の基準で評価し、その結果を表1に示した。
<評価基準>
良:屈曲部のコーティング膜の剥れなし、カット線に波打ちなし
不良:屈曲部のコーティング膜の剥れあり
屈曲部のコーティング膜に剥がれがある場合は、画像形成装置用部剤に使用することは適さないため、不良と評価できる。
得られたテストピースの金属積層板について、JIS K5600-5-1:1999(ISO1519:1973)に準拠し、耐屈曲性試験(5mm径マンドレル使用)を実施し、目視により白色に変色するかどうかを確認し、また顕微鏡においてシート(被覆層)にクラックが発生したか否かを確認し、以下の基準で評価し、その結果を表1に示した。
<評価基準>
良:コーティング膜のクラックなし、白色変色なし
不良:コーティング膜のクラックが大きく、白色変色あり
屈曲部のコーティング膜にクラックが発生したり、白色変色する(コーティング膜にゆがみが生じている)場合は、画像形成装置用部材に使用することは適さないため、不良と評価できる。
得られたテストピースの金属積層板について、コーティング膜表面を、爪で50回こすり、はがれの有無を確認した。
得られたテストピースの金属積層板について、新東科学製表面性試験機ヘイドン・トライボギアを用いて、下記条件による試験終了後、被膜の剥がれの有無や、被膜の摩耗状態を評価した。
(試験条件)
相手材:直径10mmのSUS304鋼球
移動速度:400mm/分
荷重:0.49N
振動:30mm、500回
実施例1において、OH変性シリコーンオイルをジメチルシリコーンオイル(信越化学社製「KF-96-50CS」;粘度50cSt)に変更した以外は、実施例1と同様にして表面処理剤を得た。
実施例1において、OH変性シリコーンオイルをジメチルシリコーンオイル(信越化学社製「KF-96-1万CS」;粘度10,000cSt)に変更した以外は、実施例1と同様にして表面処理剤を得た。
実施例1において、OH変性シリコーンオイル4.2重量部をジメチルシリコーンオイル(信越化学社製「KF-96-1万CS」;粘度10,000cSt)0.5重量部に変更した以外は、実施例1と同様にして表面処理剤を得た。
実施例1において、OH変性シリコーンオイル4.2重量部をジメチルシリコーンオイル(信越化学社製「KF-96-1万CS」;粘度10,000cSt)0.5重量部に変更し、焼成条件を150℃30分から230℃30分へ変更した以外は、実施例1と同様にして表面処理剤を得た。
実施例1において、OH変性シリコーンオイルをアミン変性シリコーンオイル(信越化学社製「KF-393」)に変更した以外は、実施例1と同様にして表面処理剤を得た。
実施例1において、OH変性シリコーンオイル4.2重量部を0重量部と変更した以外は、実施例1と同様にして表面処理剤を得た。
実施例1において、アルコキシオリゴマー100重量部とチタン系触媒2.0重量部をシランカップリング剤(東レ・ダウ社製「APZ-6633」)100重量部と変更し、OH変性シリコーンオイル4.2重量部を0重量部と変更し、メチルエチルケトン50重量部を0重量部と変更した以外は、実施例1と同様にして表面処理剤を得た。
実施例1において、アルコキシオリゴマー100重量部とチタン系触媒2.0重量部をシランカップリング剤(東レ・ダウ社製「APZ-6633」)100重量部と変更し、OH変性シリコーンオイル4.2重量部をジメチルシリコーンオイル(信越化学社製「KF-96-1万CS」;粘度10,000cSt)0.33重量部に変更し、メチルエチルケトン50重量部を0重量部と変更した以外は、実施例1と同様にして表面処理剤を得た。
実施例1において、アルコキシオリゴマー100重量部とチタン系触媒2.0重量部をアルコキシシラン(ナノグラスコートジャパン社製「ナノグラスコートSV9000」)100重量部に変更し、OH変性シリコーンオイル4.2重量部を0重量部と変更し、メチルエチルケトン50重量部を0重量部と変更した以外は、実施例1と同様にして表面処理剤を得た。
1a:芯材
1b:ゴム基材層
1c:金属層
1d:被覆層
2:加熱ローラ
2a:ヒーター
3:定着ベルト
4:定着パッド
5:加圧ローラ
6:現像ロール
7:規制ブレード
8:供給ロール
9:感光体
10:トナー
Claims (5)
- (A)アルコキシオリゴマー、
(B)(1)粘度が50cSt~50万cStの長鎖シリコーンオイル、又は(2)シリコーンオイルの末端及び/又は側鎖に官能性有機基を導入したカルビノール変性シリコーンオイル、カルボキシル変性シリコーンオイル、ポリエーテル変性シリコーンオイル、またはフロロアルキル変性シリコーンオイルから選ばれる少なくとも1種のシリコーンオイル、
(C)有機チタン化合物または有機アルミニウム化合物
からなる表面改質処理剤。 - 請求項1記載の表面改質処理剤によって表面改質処理された画像形成装置用部材。
- 摩擦係数が0.15以下となることを特徴とする請求項2に記載の画像形成装置用部材。
- 前記画像形成装置用部材が押圧ローラであることを特徴とする請求項2又は3記載の画像形成装置用部材。
- 請求項4記載の押圧ローラと、定着ベルトと、加熱ローラを備えたトナー定着機構であって、
該押圧ローラは、前記定着ベルトを介して、前記加熱ローラと対接して配置されることを特徴とするトナー定着機構。
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| JP2015562224A JP6678031B2 (ja) | 2014-07-10 | 2015-07-07 | 表面改質処理剤、押圧ローラ及びトナー定着機構 |
| US15/325,321 US20170190933A1 (en) | 2014-07-10 | 2015-07-07 | Surface modification treatment agent, member for image forming apparatus and toner fixing mechanism |
| CN201580037466.1A CN106661379A (zh) | 2014-07-10 | 2015-07-07 | 表面改质处理剂、图像形成装置用部件及调色剂定影机构 |
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| JP2014-142693 | 2014-07-10 |
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| WO2016006591A1 true WO2016006591A1 (ja) | 2016-01-14 |
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|---|---|
| US (1) | US20170190933A1 (ja) |
| JP (1) | JP6678031B2 (ja) |
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| WO (1) | WO2016006591A1 (ja) |
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| JP5099911B2 (ja) * | 2008-09-11 | 2012-12-19 | 日東電工株式会社 | 熱硬化性組成物及び光半導体装置 |
| US8919387B2 (en) * | 2009-12-07 | 2014-12-30 | General Plastics & Composites, L.P. | High strength thread for tubular composites |
| JP2011203567A (ja) * | 2010-03-26 | 2011-10-13 | Fuji Xerox Co Ltd | 画像形成装置 |
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- 2015-07-07 WO PCT/JP2015/069484 patent/WO2016006591A1/ja not_active Ceased
- 2015-07-07 CN CN201580037466.1A patent/CN106661379A/zh active Pending
- 2015-07-07 JP JP2015562224A patent/JP6678031B2/ja active Active
- 2015-07-07 US US15/325,321 patent/US20170190933A1/en not_active Abandoned
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| US20170190933A1 (en) | 2017-07-06 |
| JPWO2016006591A1 (ja) | 2017-04-27 |
| CN106661379A (zh) | 2017-05-10 |
| JP6678031B2 (ja) | 2020-04-08 |
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