WO2014050839A1 - 電子写真装置用ブレード、及び、その製造方法 - Google Patents

電子写真装置用ブレード、及び、その製造方法 Download PDF

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Publication number
WO2014050839A1
WO2014050839A1 PCT/JP2013/075796 JP2013075796W WO2014050839A1 WO 2014050839 A1 WO2014050839 A1 WO 2014050839A1 JP 2013075796 W JP2013075796 W JP 2013075796W WO 2014050839 A1 WO2014050839 A1 WO 2014050839A1
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Prior art keywords
blade
electrophotographic apparatus
support member
adhesive
elastic rubber
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PCT/JP2013/075796
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English (en)
French (fr)
Japanese (ja)
Inventor
伸二 藤原
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バンドー化学株式会社
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Priority to CN201380049905.1A priority Critical patent/CN104704429B/zh
Priority to JP2014538505A priority patent/JP5872057B2/ja
Publication of WO2014050839A1 publication Critical patent/WO2014050839A1/ja

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/0005—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium
    • G03G21/0011—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium using a blade; Details of cleaning blades, e.g. blade shape, layer forming
    • G03G21/0029—Details relating to the blade support

Definitions

  • the present invention relates to a blade for an electrophotographic apparatus and a method for manufacturing the same.
  • the electrophotographic apparatus has a photoconductor provided with a photoconductor layer on the surface, and when operated, the outer peripheral surface of the photoconductor is uniformly charged, and then passes through the image to be copied. By exposing the outer peripheral surface, an electrostatic latent image is formed, and toner is attached to the electrostatic latent image to form a toner image, which is transferred to paper or the like and fixed. In this process, the toner remaining on the transfer belt surface, etc., on the outer periphery of the photoreceptor after transfer is removed, the toner is carried on the outer periphery of the developing roll as a thin layer, and the removed toner is sealed so that it does not spill out.
  • various blades are used. These blades usually have a configuration in which an elastic rubber member (blade member) is attached to a support member.
  • the attachment of the support member and the elastic rubber member is generally performed by adhering them together using various adhesives such as a double-sided adhesive tape, a film-like hot melt adhesive, and a liquid adhesive. Yes.
  • various adhesives such as a double-sided adhesive tape, a film-like hot melt adhesive, and a liquid adhesive.
  • the chromeless support member may not be able to ensure sufficient adhesive strength as compared to the case of using a support member made of an electrogalvanized steel sheet that has been subjected to chromate treatment. The same was true when a moisture-curing hot melt adhesive was used.
  • the inventions described in Patent Documents 1 and 2 are inventions in which it is essential to apply a silane coupling agent (primer) to the surface of the support member, and when pretreatment with a primer is not performed.
  • a silane coupling agent primer
  • the number of processes is increased, which is disadvantageous in terms of productivity.
  • the present inventor has intensively studied to improve the adhesion between the support member and the elastic rubber member.
  • the urethane moisture-curable hot melt adhesive is used as the adhesive, and the adhesive is used as the support member.
  • the support member By using a support member in which a specific surface film is formed at a site in contact with the layer, even if the support member is a chromate-free support member (chromeless), the support member and the elastic rubber member The inventors found that it can be firmly bonded via an adhesive layer, and completed the blade for an electrophotographic apparatus of the present invention.
  • an invention relating to a manufacturing method suitable for manufacturing such a blade for an electrophotographic apparatus has been completed.
  • the electrophotographic apparatus blade of the present invention is an electrophotographic apparatus blade in which an elastic rubber member is bonded to a support member via an adhesive layer,
  • the adhesive layer is formed by curing a urethane-based moisture-curable hot melt adhesive,
  • a surface film containing a silicon compound that has a silicon content of 6% by weight or more when quantitatively analyzed by fluorescent X-ray analysis is formed on at least a part of the support member in contact with the adhesive layer.
  • the silicon compound is preferably silica.
  • the surface film is preferably an inorganic / organic composite film.
  • the support member does not contain chromium.
  • the method for producing the electrophotographic apparatus blade of the present invention is a method for producing the electrophotographic apparatus blade of the present invention, After the elastic rubber member is integrated with the support member via the moisture curable hot melt adhesive, the moisture curable hot melt adhesive is cured without heat treatment to form the adhesive layer. It is characterized by that.
  • the blade for an electrophotographic apparatus of the present invention uses a urethane-based moisture-curable hot melt adhesive as an adhesive, and uses a support member in which a specific surface film is formed on a portion in contact with the adhesive layer as a support member. Since the support member and the elastic rubber member are bonded via an adhesive layer formed by curing the urethane-based moisture-curable hot melt adhesive, the support member and the elastic rubber member are firmly bonded to each other and excellent in reliability.
  • This is a blade for an electrophotographic apparatus.
  • the blade for an electrophotographic apparatus of the present invention can be manufactured without the heat history of the elastic rubber member and the support member in the manufacturing process, so that the elastic rubber member is deformed by heat at the time of manufacture. Thus, a blade for an electrophotographic apparatus having excellent dimensional accuracy can be obtained. Further, in the method for manufacturing an electrophotographic apparatus blade of the present invention, the electrophotographic apparatus blade of the present invention can be preferably manufactured.
  • (A) is a perspective view schematically showing an example of a blade for an electrophotographic apparatus of the present invention
  • (b) is a cross-sectional view taken along line AA of (a).
  • the electrophotographic apparatus blade of the present invention is an electrophotographic apparatus blade in which an elastic rubber member is bonded to a support member via an adhesive layer,
  • the adhesive layer is formed by curing a urethane-based moisture-curable hot melt adhesive,
  • a surface film containing a silicon compound that has a silicon content of 6% by weight or more when quantitatively analyzed by fluorescent X-ray analysis is formed on at least a part of the support member in contact with the adhesive layer.
  • FIG. 1A is a perspective view schematically showing an example of a blade for an electrophotographic apparatus of the present invention
  • FIG. 1B is a cross-sectional view taken along line AA in FIG.
  • the electrophotographic apparatus blade 10 of the present invention has an elastic rubber member 11 bonded to a support member 13 via an adhesive layer 12.
  • the adhesive layer 12 is formed by curing a urethane-based moisture-curable hot melt adhesive. Therefore, when the urethane moisture-curable hot melt adhesive is applied to the elastic rubber member or the support member, heat is applied to the urethane moisture-curable hot melt adhesive in order to melt the adhesive. Although heat treatment is required, it is not necessary to perform heat treatment thereafter. Therefore, the problem that the elastic rubber member is deformed can be avoided.
  • the adhesive layer 12 formed by curing the urethane moisture-curable hot melt adhesive is extremely excellent in adhesion (adhesiveness) to the support member 13 having a specific surface film. Therefore, the electrophotographic apparatus blade 10 provided with the adhesive layer 12 is also excellent in reliability.
  • the urethane-based moisture-curable hot-melt adhesive is applied and bonded in a molten state, and then gradually reacts with moisture adhering to the surface of the elastic rubber member and / or the support member or with the humidity of the atmosphere to cause a crosslinking reaction.
  • an adhesive that contains a urethane prepolymer Specifically, for example, a urethane prepolymer (for example, a polycarbonate-based urethane prepolymer) 30 to 50% by weight, a thermoplastic resin 0 to 70% by weight, and a tackifier 0 to 50% by weight, etc. Can be used.
  • the urethane prepolymer has two or more isocyanate groups in the molecule and is cured by reacting with moisture contained in the atmosphere.
  • the thermoplastic resin include saturated polyester.
  • the thermoplastic resin is a role of a plasticizer that can be applied at a low temperature of 120 to 140 ° C. in the urethane-based moisture-curable hot-melt adhesive by providing crystallinity and increasing the adhesive strength. And can be made excellent in low-temperature workability.
  • urethane-based moisture-curable hot melt adhesive Commercially available products can be used as the urethane-based moisture-curable hot melt adhesive, and specific examples thereof include Tyforce H-810, Tyforce H-850, Tyforce PUR-1S, and Tyforce H-. 910, Tyforth FH-445, Tyforth FH-315SB, Tyforth FH-430, Tyforth FH-400SB (all manufactured by DIC), RHC-101, 5921 (manufactured by No-Tape Kogyo), Hibon 4836M, Hibon 4836S Hybon 4836W (manufactured by Hitachi Chemical Co., Ltd.) and the like. Of these, tie force H-850 and tie force H-810 are preferred.
  • the thickness of the adhesive layer 12 is not particularly limited, but is usually about 50 to 120 ⁇ m. If it is less than 50 ⁇ m, the amount of adhesive applied is small, and heat may be rapidly taken away by the adherend, so that it may not solidify rapidly and sufficient adhesive strength may not be secured. Since the thickness variation of the agent layer may increase, the dimensional accuracy may be inferior, and it is economically disadvantageous.
  • the support member 13 has a surface film containing a silicon compound formed at least at a site in contact with the adhesive layer 12.
  • the surface film may be formed on the entire surface of the support member 13, or may be formed only on a part including a portion in contact with the adhesive layer 12.
  • the surface film is a film containing a silicon compound and has a silicon content of 6% by weight or more when quantitatively analyzed by fluorescent X-ray analysis.
  • the surface film is a film having a predetermined silicon content, the above-described urethane moisture-curable hot melt adhesive is strongly interacted with the cured adhesive layer 12 and has an excellent adhesive force; Become.
  • the adhesive force between the supporting member and the elastic rubber member required for the electrophotographic blade is generally required to exceed 5.0 kN / m as measured by the method described in the examples. Is done.
  • the surface film preferably has a silicon content of 9% by weight or more when quantitatively analyzed by fluorescent X-ray analysis.
  • the adhesion adhesion strength
  • the preferable upper limit of the said silicon content rate is 13 weight%.
  • Examples of the silicon compound contained in the surface film include silica, lithium silicate, sodium silicate, calcium silicate, calcium silicate, and the like. Of these, silica is preferred. Because the silanol groups present on the surface of the silica and the urethane groups and / or urea groups contained in the molecules of the adhesive compound interact strongly, the effect of improving adhesiveness can be enjoyed more remarkably. is there.
  • Examples of the silica include colloidal silica by a sol-gel method, dry silica by a combustion method, wet silica by a precipitation method, and silica gel by a gel method. Of these, colloidal silica is preferred. Commercially available products can be used as the silica, and examples of the commercially available colloidal silica include “Snowtex” series manufactured by Nissan Chemical Co., Ltd.
  • the surface film is preferably an inorganic / organic composite film.
  • the reason for this is that the inorganic component alone makes the polarity too high, and in order to improve the wettability of the adhesive and the surface of the support member, the organic component is used as a binder to bring the polar / nonpolar balance closer to the adhesive. It is because it can do.
  • the inorganic / organic composite film refers to a film formed by connecting an inorganic component containing a silicon compound with a binder made of an organic compound.
  • organic binder examples include olefin resins such as polyethylene, polypropylene, and polyolefin, acrylic resins such as polyacrylic acid, urethane resins, styrene resins such as polystyrene, epoxy resins, phenol resins, and melamine resins. And polyvinyl chloride resin.
  • olefin resins such as polyethylene, polypropylene, and polyolefin
  • acrylic resins such as polyacrylic acid
  • urethane resins styrene resins
  • epoxy resins epoxy resins
  • phenol resins phenol resins
  • melamine resins melamine resins
  • polyvinyl chloride resin examples of the organic binder.
  • These copolymers for example, ethylene-acrylic acid copolymer, olefin-acrylic acid copolymer, etc.
  • their modified products for example, acrylic modified epoxy resin, ester modified epoxy resin, urethane modified epoxy resin
  • the support member 13 is formed by forming the surface film as described above on the surface of a support member body such as a metal plate.
  • a support member body such as a metal plate.
  • the type of the metal plate is not particularly limited as long as it is usually used for a blade for an electrophotographic apparatus, for example, a metal plate of a steel plate or a non-ferrous metal plate, a single metal or various alloys thereof. Examples thereof include a plated metal plate subjected to plating.
  • steel sheets such as hot-rolled steel sheets, cold-rolled steel sheets, and stainless steel sheets
  • plated steel sheets such as hot-dip galvanized steel sheets, alloyed hot-dip galvanized steel sheets, electrogalvanized steel sheets, and electrical Zn-Ni alloy-plated steel sheets
  • non-ferrous metal plates such as aluminum, titanium, and zinc, or plated non-ferrous metal plates obtained by plating them.
  • an electrogalvanized steel sheet is preferable.
  • the support member according to the blade for an electrophotographic apparatus of the present invention does not contain chromium, and in this case, sufficient adhesive force can be secured between the support member and the elastic rubber member.
  • the support member body may be made of a material other than the metal plate, for example, ceramic or hard resin, as long as it can form the surface film.
  • the support member 13 can be manufactured by the following method, for example.
  • the surface of the metal plate contains a silicon compound such as silica and the organic binder, and, if necessary, a solvent, a silane coupling agent, a crosslinking agent, various additives (surfactant, conductive additive).
  • a surface film-forming composition containing a thickener, an antifoaming agent, a dispersing agent, a drying agent, a stabilizer, an anti-skinning agent, an antifungal agent, an antiseptic, an antifreezing agent, etc.) It can manufacture by giving a drying process and a heat processing (or hardening process).
  • a metal plate on which a commercially available surface film is formed can be processed and used.
  • Specific examples of commercially available products include Kobe Zinc Green Coat GX-KS treatment, Kobe Zinc Green Coat GX-BX treatment (both manufactured by Kobe Steel), and the like.
  • the support member is formed by using a specific surface film, that is, a composition containing colloidal silica and lithium silicate as main components and an organic resin and an additive as a binder, and quantitative analysis by fluorescent X-ray analysis.
  • a specific surface film that is, a composition containing colloidal silica and lithium silicate as main components and an organic resin and an additive as a binder
  • quantitative analysis by fluorescent X-ray analysis is particularly preferable.
  • an electrogalvanized steel sheet on which a surface film that is an inorganic / organic composite film having a silicon content of 9% by weight or more is formed is particularly preferable. This is because the urethane moisture curable hot melt adhesive is particularly excellent in adhesiveness with an adhesive layer formed by curing.
  • the elastic rubber member 11 is not particularly limited as long as it is normally used in this technical field, but is preferably made of polyurethane. This is because it is suitable for satisfying the characteristics required for the blade for an electrophotographic apparatus and has excellent adhesion to the adhesive layer 12 formed by curing the urethane-based moisture-curable hot melt adhesive.
  • polyurethane examples include polyols, polyisocyanates, and those obtained by reacting a crosslinking agent as necessary.
  • polyester polyol polyether polyol, polycaprolactone polyol etc. are mentioned. Of these, polyester polyols and polycaprolactone polyols are preferred, and polycaprolactone polyols are particularly preferred from the viewpoint that excellent cleaning properties and noise prevention properties can be obtained. These may be used alone or in combination of two or more.
  • the polyol preferably has a number average molecular weight of 1000 to 3000. This is because by using a polyol having a number average molecular weight in the above range, excellent cleaning properties and noise prevention properties can be obtained.
  • polyester polyol examples include those obtained by reacting dicarboxylic acid and glycol according to a conventional method.
  • dicarboxylic acid include aromatic dicarboxylic acids such as terephthalic acid, isophthalic acid, and 2,6-naphthalenedicarboxylic acid, aliphatic dicarboxylic acids such as adipic acid, azelaic acid, and sebacic acid, and oxycarboxylic acids such as oxybenzoic acid. Examples thereof include acids and ester-forming derivatives thereof.
  • glycol examples include aliphatic glycols such as ethylene glycol, 1,4-butanediol, diethylene glycol, neopentyl glycol, 3-methyl-1,5-pentanediol, 1,9-nonanediol, and triethylene glycol.
  • Polyester polyols based on these have a linear structure, but may be branched polyesters using trivalent or higher-valent ester-forming components.
  • the dicarboxylic acid is preferably an aliphatic dicarboxylic acid, and particularly preferably adipic acid, from the viewpoint that excellent cleaning properties and noise prevention properties can be obtained.
  • the glycol an aliphatic glycol is preferable, and ethylene glycol and 1,4-butanediol are more preferable.
  • polyether polyol examples include polyalkylene glycols such as polyethylene glycol, polypropylene glycol, polytetramethylene glycol, and copolymers thereof.
  • polycaprolactone polyol examples include those that can be obtained by ring-opening addition of ⁇ -caprolactone using a low molecular weight glycol as an initiator in the presence of a catalyst.
  • a low molecular weight glycol divalent alcohols such as ethylene glycol, propylene glycol, 1,3-butylene glycol and neopentyl glycol and trivalent alcohols such as trimethylene glycol and glycerin are preferably used.
  • the catalyst examples include organic titanium compounds such as tetrabutyl titanate, tetrapropyl titanate, and tetraethyl titanate, tin compounds such as tin octylate, dibutyltin oxide, dibutyltin laurate, stannous chloride, and stannous bromide. Preferably used.
  • organic titanium compounds such as tetrabutyl titanate, tetrapropyl titanate, and tetraethyl titanate
  • tin compounds such as tin octylate, dibutyltin oxide, dibutyltin laurate, stannous chloride, and stannous bromide.
  • tin compounds such as tin octylate, dibutyltin oxide, dibutyltin laurate, stannous chloride, and stannous bromide.
  • ⁇ -caprolactone other cyclic lactones such as trimethylcaprol
  • polyisocyanate A conventionally well-known thing can be used, For example, aliphatic isocyanate, alicyclic isocyanate, aromatic isocyanate etc. are mentioned. Of these, aromatic isocyanates are preferred from the viewpoint that excellent cleaning properties and noise prevention properties can be obtained.
  • aliphatic isocyanate examples include 1,6-hexamethylene diisocyanate (HDI), 2,2,4-trimethylhexamethylene diisocyanate, and lysine diisocyanate.
  • HDI 1,6-hexamethylene diisocyanate
  • 2,2,4-trimethylhexamethylene diisocyanate examples include 1,6-hexamethylene diisocyanate (HDI), 2,2,4-trimethylhexamethylene diisocyanate, and lysine diisocyanate.
  • isocyanurate body of hexamethylene diisocyanate and isophorone diisocyanate, the biuret body, the modified body of an adduct body, etc. can be mentioned.
  • alicyclic isocyanate examples include alicyclic diisocyanates such as isophorone diisocyanate (IPDI), 4,4′-dicyclohexylmethane diisocyanate, 1,4-cyclohexane diisocyanate, norbornane diisocyanate (NBDI), and the like.
  • aromatic isocyanate examples include tolylene diisocyanate (TDI), phenylene diisocyanate, 4,4′-diphenylmethane diisocyanate (MDI), 1,5-naphthalene diisocyanate, xylylene diisocyanate (XDI), carbodiimide-modified MDI, and urethane.
  • modified MDI examples include modified MDI.
  • MDI and urethane-modified MDI are preferred, and MDI is particularly preferred from the viewpoint that excellent cleaning properties and noise prevention properties can be obtained.
  • crosslinking agent examples include ethylene glycol, propylene glycol, butanediol, hexanediol, diethylene glycol, trimethylolpropane, glycerin, hydrazine, ethylenediamine, diethylenetriamine, 4,4′-diaminodiphenylmethane, 4,4′-diaminodicyclohexylmethane.
  • ethylene glycol, 1,4-butanediol, trimethylolpropane, and N, N-bis (2-hydroxypropyl) aniline are preferable from the viewpoint that excellent cleaning properties and noise prevention properties can be obtained. It is preferable to use 1,4-butanediol and trimethylolpropane in combination.
  • the polyurethane can be produced by a known method using the above raw materials.
  • the method for molding the elastic rubber member made of polyurethane is not particularly limited.
  • normal pressure casting reduced pressure casting
  • centrifugal molding rotational molding
  • extrusion molding injection molding, reaction injection molding (RIM), spin coating Etc.
  • the support member 13 on which the surface film is formed and the adhesive layer 12 are directly bonded to each other, and a pretreatment formed with a primer or a liquid adhesive is provided between them. There may be intervening layers. However, when such a pretreatment layer is formed, productivity decreases with an increase in the number of steps at the time of manufacture. Therefore, the support member and the adhesive layer are directly connected unless there is a special reason. It is preferable that they are bonded and a primer layer or the like is not formed.
  • the electrophotographic apparatus blade of the present invention described so far has a single-layered elastic rubber member as shown in FIG. 1, but the electrophotographic apparatus blade of the present invention is not shown in the figure. It may be provided with an elastic rubber member having a structure as shown in Figs. 2 and 3 are cross-sectional views schematically showing another example of the blade for an electrophotographic apparatus of the present invention.
  • the elastic rubber member 21 is bonded to the support member 23 via the adhesive layer 22, and the elastic rubber member 21 is the edge layer. You may provide the 2 layer structure which consists of 21a and the backup layer 21b.
  • the elastic rubber member constituting the electrophotographic apparatus blade of the present invention may have a layer structure of three or more layers.
  • the elastic rubber member 31 is bonded to the support member 33 via the adhesive layer 32, and the elastic rubber member 31 is You may provide the structure which consists of the edge part (edge area
  • the edge portion refers to a portion in contact with a counterpart material such as a photoconductor and a region in the vicinity thereof.
  • the edge layer or the edge portion abuts against the counterpart material and functions as the blade for the electrophotographic apparatus during use.
  • various requirements for example, improvement in cleaning property for polymerization toner having a spherical shape and a small particle size
  • the elastic rubber member is made of a plurality of materials such as the electrophotographic apparatus blade 20 shown in FIG. 2 and the electrophotographic apparatus blade 30 shown in FIG. It is the same as the material of the elastic rubber member 11 constituting the photographic apparatus blade 10, and an appropriate combination corresponding to the required characteristics may be selected as appropriate.
  • the blade for an electrophotographic apparatus can be manufactured, for example, by the following method. That is, the support member and the elastic rubber member are processed into a predetermined shape, and after applying a melted urethane-based moisture-curable hot melt adhesive to a predetermined position of the support member and / or the elastic rubber member, The rubber member is integrated with the support member via the urethane moisture-curable hot melt adhesive, and then held in that state to cure the urethane moisture-curable hot melt adhesive. Thereby, it is possible to manufacture an electrophotographic apparatus blade in which the support member and the elastic rubber member are firmly bonded via the adhesive layer formed by curing the urethane-based moisture-curable hot melt adhesive.
  • curing of the urethane-based moisture-curable hot melt adhesive is preferably performed at about room temperature (for example, 17 to 30 ° C.) without performing heat treatment.
  • the temperature is low (below 17 ° C.)
  • the adhesive strength between the adhesive layer and the support member or the elastic rubber member may be insufficient.
  • the temperature is high (above 30 ° C.)
  • the agent may flow at the time of curing, and the thickness of the adhesive layer may be reduced by protruding from a predetermined site. As a result, the appearance and dimensional accuracy may be deteriorated.
  • the time for curing the urethane moisture-curable hot melt adhesive (the time for completely curing the adhesive with moisture) is not particularly limited, and is appropriately selected according to the type of the urethane moisture-curable hot melt adhesive. Usually, it is about 24 to 72 hours.
  • a method of manufacturing a blade for an electrophotographic apparatus is also one aspect of the present invention.
  • the method for producing the blade for an electrophotographic apparatus does not necessarily deny the heat treatment after the elastic rubber member is integrated with the support member via the urethane moisture-curable hot melt adhesive. Depending on the case, heat treatment may be performed.
  • a compound having an isocyanate content of 9 wt% composed of poly- ⁇ -caprolactone having a number average molecular weight of 2000 and diphenylmethane diisocyanate is used as a urethane prepolymer, and a mixture of 1,4-butanediol and trimethylolpropane having a weight ratio of 75:25 is used as a curing agent.
  • Urethane prepolymer and curing agent are mixed, heated and cured in a mold to produce a sheet with a thickness of 2 mm, cut into strips with a width of 15 mm and a length of 225 mm, degreased and washed with a hydrocarbon solvent, The elastic rubber member was produced by sufficiently drying.
  • Example 1 Using an applicator (Robatech, PUR hot melt applicator: RobaPUR 4 MOD), the temperature of the coating head (Robatech, FK-SX15) is controlled at a setting of 130 ° C, the coating speed is 450 mm / sec, and the coating head is coated from the substrate. The clearance is adjusted to 80 ⁇ m, and a urethane-based moisture-curable hot melt adhesive (DIC, Tyforce H-810) is applied to the elastic rubber member. Immediately after the coating is completed, the electrogalvanized steel sheet (Kobe Steel) A support member produced by processing Kobezink Green Coat GX-KS treatment manufactured by Kogyo Co., Ltd.
  • the produced blade for an electrophotographic apparatus was stored for 1 week in an environment of an ambient temperature of 23 ° C. and a relative humidity of 50% in order to avoid the influence of the curing reaction rate due to the adhesive type, and then subjected to the measurement of adhesive force.
  • Example 2 A blade for an electrophotographic apparatus was produced in the same manner as in Example 1 except that Tyforce H-850 manufactured by DIC was used as an adhesive, and the adhesive force was measured.
  • Example 3 A blade for an electrophotographic apparatus was produced in the same manner as in Example 1 except that 5921 manufactured by Notape Industries Co., Ltd. was used as an adhesive, and was used for measurement of adhesive strength.
  • Example 4 A blade for an electrophotographic apparatus was produced in the same manner as in Example 1 except that Tyforce PUR-1S manufactured by DIC was used as an adhesive, and was subjected to measurement of adhesive force.
  • Example 5 A blade for an electrophotographic apparatus was prepared in the same manner as in Example 1 except that Tyforce H-910 manufactured by DIC was used as the adhesive, and the adhesive strength was measured.
  • Example 6 A blade for an electrophotographic apparatus was produced in the same manner as in Example 2 except that Kobe Zinc Green Coat GX-BX treatment (manufactured by Kobe Steel Co., Ltd.) was used as the electrogalvanized steel sheet.
  • Kobe Zinc Green Coat GX-BX treatment manufactured by Kobe Steel Co., Ltd.
  • Example 1 A blade for an electrophotographic apparatus was produced in the same manner as in Example 1 except that Sumizin Neo Coat T1N treatment (manufactured by Sumitomo Metal Co., Ltd.) was used as the electrogalvanized steel sheet and subjected to measurement of adhesive strength.
  • Sumizin Neo Coat T1N treatment manufactured by Sumitomo Metal Co., Ltd.
  • Example 2 A blade for an electrophotographic apparatus was prepared in the same manner as in Example 1 except that Kobe Zinc Green Coat GX-K2 (manufactured by Kobe Steel Co., Ltd.) was used as the electrogalvanized steel sheet.
  • Kobe Zinc Green Coat GX-K2 manufactured by Kobe Steel Co., Ltd.
  • Example 3 A blade for an electrophotographic apparatus was prepared in the same manner as in Example 2 except that Kobe Zinc Green Coat GX-K2 (manufactured by Kobe Steel Co., Ltd.) was used as the electrogalvanized steel sheet.
  • Kobe Zinc Green Coat GX-K2 manufactured by Kobe Steel Co., Ltd.
  • Example 4 A blade for an electrophotographic apparatus was produced in the same manner as in Example 3 except that Kobe Zinc Green Coat GX-K2 (manufactured by Kobe Steel Co., Ltd.) was used as the electrogalvanized steel sheet, and the adhesive force was measured.
  • Kobe Zinc Green Coat GX-K2 manufactured by Kobe Steel Co., Ltd.
  • Example 5 A blade for an electrophotographic apparatus was prepared in the same manner as in Example 4 except that Kobe Zinc Green Coat GX-K2 (manufactured by Kobe Steel Co., Ltd.) was used as the electrogalvanized steel sheet, and the adhesive force was measured.
  • Kobe Zinc Green Coat GX-K2 manufactured by Kobe Steel Co., Ltd.
  • Example 6 A blade for an electrophotographic apparatus was prepared in the same manner as in Example 5 except that Kobe Zinc Green Coat GX-K2 (manufactured by Kobe Steel Co., Ltd.) was used as the electrogalvanized steel sheet.
  • Kobe Zinc Green Coat GX-K2 manufactured by Kobe Steel Co., Ltd.
  • Example 7 A blade for an electrophotographic apparatus was prepared in the same manner as in Example 1 except that Tsukisei Zinc ZS treatment (manufactured by Nisshin Steel Co., Ltd.) was used as the electrogalvanized steel sheet, and was subjected to measurement of adhesive force.
  • Tsukisei Zinc ZS treatment manufactured by Nisshin Steel Co., Ltd.
  • Example 9 A blade for an electrophotographic apparatus was produced in the same manner as in Example 2 except that SECC N5 treatment (manufactured by BAOSHAN IRON & STEEL CO., LTD.) Was used as the electrogalvanized steel sheet, and was used for measurement of adhesive strength. did.
  • SECC N5 treatment manufactured by BAOSHAN IRON & STEEL CO., LTD.
  • Example 10 A blade for an electrophotographic apparatus was prepared in the same manner as in Example 3 except that SECC N5 treatment (manufactured by BAOSHAN IRON & STEEL CO., LTD.) Was used as the electrogalvanized steel sheet, and was used for measurement of adhesive strength. did.
  • SECC N5 treatment manufactured by BAOSHAN IRON & STEEL CO., LTD.
  • Example 11 A blade for an electrophotographic apparatus was produced in the same manner as in Example 4 except that SECC N5 treatment (manufactured by BAOSHAN IRON & STEEL CO., LTD.) Was used as the electrogalvanized steel sheet, and was used for measurement of adhesive strength. did.
  • Example 12 A blade for an electrophotographic apparatus was produced in the same manner as in Example 5 except that SECC N5 treatment (manufactured by BAOSHAN IRON & STEEL CO., LTD.) Was used as the electrogalvanized steel sheet, and was used for measurement of adhesive strength. did.
  • SECC N5 treatment manufactured by BAOSHAN IRON & STEEL CO., LTD.
  • Example 13 A blade for an electrophotographic apparatus was produced in the same manner as in Example 1 except that Tsukisei Zinc ZC treatment (manufactured by Nisshin Steel Co., Ltd.) was used as the electrogalvanized steel sheet and subjected to measurement of adhesive force.
  • Tsukisei Zinc ZC treatment manufactured by Nisshin Steel Co., Ltd.
  • FIG. 4 is a schematic diagram for explaining a method for evaluating the adhesive force between the support member and the elastic rubber member.
  • the support member is fixed with a jig (not shown) that can move in the horizontal direction.
  • the elastic rubber member 11 is pulled vertically upward with respect to the bonding surface 13a of the support member 13 at a tensile speed of 20 ⁇ . It pulled at 5 mm / min and measured the adhesive force (kN / m).
  • 12 is an adhesive layer. The results are shown in Table 1.

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  • General Physics & Mathematics (AREA)
  • Cleaning In Electrography (AREA)
  • Electrophotography Configuration And Component (AREA)
PCT/JP2013/075796 2012-09-28 2013-09-25 電子写真装置用ブレード、及び、その製造方法 WO2014050839A1 (ja)

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CN105549368B (zh) * 2016-01-07 2018-05-01 中山市达伦电子科技有限公司 一种加强硒鼓刮刀粘贴强度的工艺方法
JP7103403B2 (ja) * 2020-12-25 2022-07-20 横浜ゴム株式会社 加硫ゴム用接着前処理剤

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JPH052171U (ja) * 1991-06-24 1993-01-14 北辰工業株式会社 クリーニングブレード
JP2003119433A (ja) * 2001-10-16 2003-04-23 Hokushin Ind Inc ブレード及びその製造方法

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JPH0643796A (ja) * 1992-07-27 1994-02-18 Bando Chem Ind Ltd 電子写真複写機用クリーニングブレードおよびその製造法ならびに該クリーニングブレードを備えたクリーニング装置
JP3838873B2 (ja) * 2000-12-15 2006-10-25 株式会社神戸製鋼所 ブレード
JP2004126118A (ja) * 2002-10-01 2004-04-22 Canon Chemicals Inc 弾性ブレードおよびその製造方法
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JP4843226B2 (ja) * 2005-01-31 2011-12-21 キヤノン化成株式会社 金属板の再生方法、再生装置及び再生ブレード
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JPH052171U (ja) * 1991-06-24 1993-01-14 北辰工業株式会社 クリーニングブレード
JP2003119433A (ja) * 2001-10-16 2003-04-23 Hokushin Ind Inc ブレード及びその製造方法

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