JP2001348443A - Rubber elastic member and manufacturing method therefor - Google Patents
Rubber elastic member and manufacturing method thereforInfo
- Publication number
- JP2001348443A JP2001348443A JP2001045682A JP2001045682A JP2001348443A JP 2001348443 A JP2001348443 A JP 2001348443A JP 2001045682 A JP2001045682 A JP 2001045682A JP 2001045682 A JP2001045682 A JP 2001045682A JP 2001348443 A JP2001348443 A JP 2001348443A
- Authority
- JP
- Japan
- Prior art keywords
- rubber elastic
- surface treatment
- elastic member
- compound
- solvent
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 229920001971 elastomer Polymers 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000004381 surface treatment Methods 0.000 claims abstract description 31
- 150000001875 compounds Chemical class 0.000 claims abstract description 30
- 239000011347 resin Substances 0.000 claims abstract description 23
- 229920005989 resin Polymers 0.000 claims abstract description 23
- 239000002335 surface treatment layer Substances 0.000 claims abstract description 20
- 239000012948 isocyanate Substances 0.000 claims abstract description 16
- -1 isocyanate compound Chemical class 0.000 claims abstract description 16
- 229920001577 copolymer Polymers 0.000 claims abstract description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 10
- 239000001257 hydrogen Substances 0.000 claims abstract description 10
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 8
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 8
- 239000005977 Ethylene Substances 0.000 claims abstract description 6
- 229920005561 epichlorohydrin homopolymer Polymers 0.000 claims abstract description 6
- 239000011159 matrix material Substances 0.000 claims abstract description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 10
- 239000002344 surface layer Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 5
- 229910001887 tin oxide Inorganic materials 0.000 claims description 5
- 239000011787 zinc oxide Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052731 fluorine Inorganic materials 0.000 abstract description 3
- 239000011737 fluorine Substances 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 15
- 239000010410 layer Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 11
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- 229920002635 polyurethane Polymers 0.000 description 5
- 239000004814 polyurethane Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- ALQLPWJFHRMHIU-UHFFFAOYSA-N 1,4-diisocyanatobenzene Chemical compound O=C=NC1=CC=C(N=C=O)C=C1 ALQLPWJFHRMHIU-UHFFFAOYSA-N 0.000 description 2
- SBJCUZQNHOLYMD-UHFFFAOYSA-N 1,5-Naphthalene diisocyanate Chemical compound C1=CC=C2C(N=C=O)=CC=CC2=C1N=C=O SBJCUZQNHOLYMD-UHFFFAOYSA-N 0.000 description 2
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- PDQAZBWRQCGBEV-UHFFFAOYSA-N Ethylenethiourea Chemical compound S=C1NCCN1 PDQAZBWRQCGBEV-UHFFFAOYSA-N 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 229920005558 epichlorohydrin rubber Polymers 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 description 1
- 229910001486 lithium perchlorate Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Dry Development In Electrophotography (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
- Laminated Bodies (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、電子写真式複写機
及びプリンタ、またはトナージェット式複写機及びプリ
ンタなどの画像形成装置の帯電ロール・現像ロール、ト
ナー規制ロール、さらには転写ロール・中間転写ロール
及びベルトなどに好適に用いられるゴム弾性部材及びそ
の製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging roll / developing roll, a toner regulating roll, a transfer roll / intermediate transfer of an image forming apparatus such as an electrophotographic copying machine and a printer, or a toner jet copying machine and a printer. The present invention relates to a rubber elastic member suitably used for a roll, a belt, and the like, and a method for manufacturing the same.
【０００２】[0002]
【従来の技術】電子写真式複写機及びプリンタ、または
トナージェット式複写機及びプリンタなどの画像形成装
置の帯電ロール・現像ロール、トナー規制ロール、さら
には転写ロール・中間転写ロール、ベルト等には、感光
体等への非汚染性の他、所定の導電性、摩擦係数等が要
求される。そこで、従来、ポリウレタン、シリコーンゴ
ム製のものが用いられていたが、感光体等への汚染性、
帯電性等の理由から、ポリウレタン、シリコーンゴムや
各種弾性層表面に各種コーティング層、被覆チューブを
設けたものが提案されている。2. Description of the Related Art Charging rolls / developing rolls, toner regulating rolls, transfer rolls / intermediate transfer rolls, belts, etc. of image forming apparatuses such as electrophotographic copying machines and printers or toner jet copying machines and printers. In addition to the non-staining property of the photoconductor and the like, a predetermined conductivity, a coefficient of friction, and the like are required. Therefore, in the past, polyurethane and silicone rubber were used.
For reasons of chargeability and the like, there have been proposed polyurethane, silicone rubber, and various elastic layers having various coating layers and coating tubes on the surface thereof.
【０００３】例えば、特開平５−２０４２３４号公報に
は、導電性スポンジ体層上にポリアミド樹脂チューブか
らなる導電性最外層を設けた現像ロールが提案されてい
る。また、特開平７−１３４４６７号公報には、ワック
ス等の滑剤を含む表面層を具備する帯電部材が開示され
ている。さらに、特開平８−１６０７０１号公報には、
フッ化炭素を含有する導電性重合体からなる塗布層また
はシームレスチューブからなる表面層を有する帯電部材
が開示されている。For example, Japanese Patent Application Laid-Open No. 5-204234 proposes a developing roll in which a conductive outermost layer made of a polyamide resin tube is provided on a conductive sponge body layer. Japanese Patent Application Laid-Open No. Hei 7-134467 discloses a charging member having a surface layer containing a lubricant such as wax. Further, JP-A-8-160701 discloses that
A charging member having a coating layer made of a conductive polymer containing fluorocarbon or a surface layer made of a seamless tube is disclosed.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、塗布等
により設けられた表面層は必ずしも基材との接着が良好
な訳ではなく、耐久性に劣り、長期信頼性に欠けるとい
う問題がある。一方、シームレスチューブからなる表面
層は作業性に劣りコストが向上すると共に弾性層と別体
となるので、帯電特性等の問題で十分ではないという問
題があることが分かってきた。However, the surface layer provided by coating or the like does not always have good adhesion to the substrate, and has a problem that it is inferior in durability and lacks long-term reliability. On the other hand, it has been found that the surface layer made of a seamless tube is inferior in workability and costs are improved and is separate from the elastic layer.
【０００５】そこで、本出願人は、形成が容易であり且
つ弾性層と一体的になって耐久性に優れたものとして、
表面をイソシアネート化合物で処理して表面処理層を設
けた現像ロールを先に開発した（特開平５−１７３４０
９号公報）。しかしながら、イソシアネート処理層を設
けたものは、回転トルクが高過ぎて、ジッタ、フィルミ
ング、トナー搬送性の増大等の問題がある。[0005] The applicant of the present invention has proposed a device which is easy to form and has excellent durability by being integrated with the elastic layer.
A developing roll having a surface-treated layer provided by treating the surface with an isocyanate compound was previously developed (JP-A-5-17340).
No. 9). However, those provided with the isocyanate treatment layer have problems such as jitter, filming, increase in toner transportability, etc. because the rotational torque is too high.
【０００６】本発明はこのような事情に鑑み、低コスト
で、良好な特性を長期間に亘って維持することができる
ゴム弾性部材及びその製造方法を提供することを課題と
する。[0006] In view of such circumstances, an object of the present invention is to provide a rubber elastic member which can maintain good characteristics over a long period of time at low cost, and a method of manufacturing the same.
【０００７】[0007]
【課題を解決するための手段】前記課題を解決する本発
明の第１の態様は、エピクロルヒドリンホモポリマー、
エピクロルヒドリン−エチレンオキシド共重合体及びエ
ピクロルヒドリン−エチレンオキシド−アリルグリシジ
ルエーテル共重合体からなる群から選択されたマトリッ
クスからなるゴム弾性部と、フッ素樹脂化合物又はアク
リル樹脂化合物で活性水素を有すると共に溶剤可溶性の
ものからなる群から選択される少なくとも一種の溶剤可
溶性樹脂化合物とイソシアネート化合物とを含む表面処
理溶液で表面処理することにより前記ゴム弾性部表層に
設けられた表面処理層とを具備することを特徴とするゴ
ム弾性部材にある。Means for Solving the Problems A first aspect of the present invention for solving the above-mentioned problems is to provide an epichlorohydrin homopolymer,
A rubber elastic part composed of a matrix selected from the group consisting of epichlorohydrin-ethylene oxide copolymer and epichlorohydrin-ethylene oxide-allyl glycidyl ether copolymer, and a fluorine resin compound or an acrylic resin compound having active hydrogen and having a solvent solubility. A rubber comprising a surface treatment layer provided on the rubber elastic part surface layer by performing a surface treatment with a surface treatment solution containing at least one solvent-soluble resin compound selected from the group consisting of an isocyanate compound. In the elastic member.
【０００８】本発明の第２の態様は、第１の態様におい
て、前記表面処理溶液が、カーボン、酸化スズ、酸化亜
鉛及び導電化処理した樹脂粒子からなる群から選択され
る少なくとも一種を含むことを特徴とするゴム弾性部材
にある。According to a second aspect of the present invention, in the first aspect, the surface treatment solution contains at least one selected from the group consisting of carbon, tin oxide, zinc oxide, and resin particles subjected to a conductive treatment. A rubber elastic member characterized by the above-mentioned.
【０００９】本発明の第３の態様は、第１又は第２の態
様において、前記表面処理層は、前記イソシアネート化
合物と前記溶剤可溶性樹脂化合物の活性水素を有する部
位とが反応することにより前記ゴム弾性部の表面に保持
されていることを特徴とするゴム弾性部材にある。According to a third aspect of the present invention, in the first or second aspect, the surface-treated layer is formed by reacting the isocyanate compound with a site having an active hydrogen of the solvent-soluble resin compound. The rubber elastic member is held on the surface of the elastic portion.
【００１０】本発明の第４の態様は、第１〜３の何れか
の態様において、前記表面処理層は、前記表面処理液を
前記ゴム弾性部表面に施した後、加熱処理することによ
り形成されることを特徴とするゴム弾性部材にある。According to a fourth aspect of the present invention, in any one of the first to third aspects, the surface treatment layer is formed by applying the surface treatment liquid to the surface of the rubber elastic portion and then performing a heat treatment. A rubber elastic member.
【００１１】本発明の第５の態様は、第１〜４の何れか
の態様において、前記表面処理層は、前記ゴム弾性部の
表面から内部に向かって漸次疎になるよう形成されてい
ることを特徴とするゴム弾性部材にある。According to a fifth aspect of the present invention, in any one of the first to fourth aspects, the surface treatment layer is formed so as to be gradually sparse from the surface of the rubber elastic portion toward the inside. A rubber elastic member characterized by the above-mentioned.
【００１２】本発明の第６の態様は、エピクロルヒドリ
ンホモポリマー、エピクロルヒドリン−エチレンオキシ
ド共重合体及びエピクロルヒドリン−エチレンオキシド
−アリルグリシジルエーテル共重合体からなる群から選
択されたマトリックスからなるゴム弾性部の表面に、フ
ッ素樹脂化合物又はアクリル樹脂化合物で活性水素を有
すると共に溶剤可溶性のものからなる群から選択される
少なくとも一種の溶剤可溶性樹脂化合物とイソシアネー
ト化合物とを含む表面処理溶液を施す工程と、続いて加
熱処理することにより前記ゴム弾性部表面に表面処理層
を形成する工程とを具備することを特徴とするゴム弾性
部材の製造方法にある。A sixth aspect of the present invention is directed to a rubber elastic portion comprising a matrix selected from the group consisting of epichlorohydrin homopolymer, epichlorohydrin-ethylene oxide copolymer and epichlorohydrin-ethylene oxide-allyl glycidyl ether copolymer, A step of applying a surface treatment solution containing at least one solvent-soluble resin compound and an isocyanate compound selected from the group consisting of a fluororesin compound or an acrylic resin compound having active hydrogen and being solvent-soluble, followed by heat treatment Forming a surface treatment layer on the surface of the rubber elastic part.
【００１３】本発明の第７の態様は、第６の態様におい
て、前記表面処理溶液が、カーボン、酸化スズ、酸化亜
鉛及び導電化処理した樹脂粒子からなる群から選択され
る少なくとも一種を含むことを特徴とするゴム弾性部材
の製造方法にある。According to a seventh aspect of the present invention, in the sixth aspect, the surface treatment solution contains at least one selected from the group consisting of carbon, tin oxide, zinc oxide, and resin particles subjected to conductivity treatment. A method for manufacturing a rubber elastic member, characterized by the following.
【００１４】本発明の第８の態様は、第６の態様におい
て、前記加熱処理は、前記イソシアネート化合物と前記
溶剤可溶性樹脂化合物の活性水素を有する部位とが反応
する条件で行うことを特徴とするゴム弾性部材の製造方
法にある。According to an eighth aspect of the present invention, in the sixth aspect, the heat treatment is carried out under conditions in which the isocyanate compound reacts with a site having active hydrogen of the solvent-soluble resin compound. A method for manufacturing a rubber elastic member.
【００１５】本発明の第９の態様は、第６〜８の何れか
の態様において、前記表面処理溶液を前記ゴム弾性部表
層に施す工程は、塗布又はディッピングにより行うこと
を特徴とするゴム弾性部材の製造方法にある。According to a ninth aspect of the present invention, in any one of the sixth to eighth aspects, the step of applying the surface treatment solution to the surface layer of the rubber elastic part is performed by coating or dipping. The method is for manufacturing a member.
【００１６】本発明によると、ゴム弾性部表面に一体的
に表面処理層が設けられ且つ当該表面処理層には溶剤可
溶性樹脂化合物が一体的に含有される。すなわち、この
ように形成される表面処理層は、ゴム弾性体表面に表面
処理液が浸透して形成されるので、表面処理層はゴム弾
性体表面から内部に向かって漸次疎になるように一体的
に形成される。従って、耐久性が良好で所望の摩擦係数
を有する表面処理層を容易に作成することができる。According to the present invention, a surface treatment layer is integrally provided on the surface of the rubber elastic portion, and the surface treatment layer integrally contains a solvent-soluble resin compound. That is, since the surface treatment layer formed in this way is formed by permeating the surface treatment liquid into the surface of the rubber elastic body, the surface treatment layer is integrated so that the surface treatment layer becomes gradually sparse from the surface of the rubber elastic body toward the inside. Is formed. Therefore, a surface treatment layer having good durability and a desired coefficient of friction can be easily formed.
【００１７】本発明で用いるマトリックスとしては、エ
ピクロルヒドリンホモポリマー、エピクロルヒドリン−
エチレンオキシド共重合体、エピクロルヒドリン−エチ
レンオキシド−アリルグリシジルエーテル共重合体等を
挙げることができる。The matrix used in the present invention includes epichlorohydrin homopolymer, epichlorohydrin-
Examples include an ethylene oxide copolymer and an epichlorohydrin-ethylene oxide-allyl glycidyl ether copolymer.
【００１８】一方、本発明で用いる表面処理液は、溶剤
可溶性樹脂化合物とイソシアネート化合物とを含むもの
である。On the other hand, the surface treatment liquid used in the present invention contains a solvent-soluble resin compound and an isocyanate compound.
【００１９】ここで、溶剤可溶性樹脂化合物とは、所定
の溶剤に可溶でイソシアネート化合物と略均一な表面処
理溶液を形成できるもので且つイソシアネート化合物と
反応して化学的に結合可能なものである。例えば、フッ
素樹脂化合物又はアクリル樹脂化合物であって、水酸
基、アミノ基、又はカルボキシル基の活性水素を有し且
つ溶剤可溶性のものである。具体的には、下記式（１）
又は（２）に示されるフルオロエチレンビニルエーテル
や、その誘導体等からなるフッ素樹脂化合物や、下記式
（３）に示されるアクリル樹脂化合物等を挙げることが
できる。Here, the solvent-soluble resin compound is a compound that is soluble in a predetermined solvent and can form a substantially uniform surface treatment solution with the isocyanate compound, and is capable of reacting with the isocyanate compound to form a chemical bond. . For example, a fluorine resin compound or an acrylic resin compound having active hydrogen of a hydroxyl group, an amino group, or a carboxyl group and being soluble in a solvent. Specifically, the following equation (1)
Alternatively, a fluororesin compound comprising fluoroethylene vinyl ether represented by (2) or a derivative thereof, and an acrylic resin compound represented by the following formula (3) can be given.
【００２０】[0020]
【化１】 Embedded image
【００２１】また、イソシアネート化合物としては、
２，６−トリレンジイソシアネート（ＴＤＩ）、４，
４’−ジフェニルメタンジイソシアネート（ＭＤＩ）、
パラフェニレンジイソシアネート（ＰＰＤＩ）、１，５
−ナフタレンジイソシアネート（ＮＤＩ）及び３，３−
ジメチルジフェニル−４，４’−ジイソシアネート（Ｔ
ＯＤＩ）などを挙げることができる。Also, as the isocyanate compound,
2,6-tolylene diisocyanate (TDI), 4,
4'-diphenylmethane diisocyanate (MDI),
Paraphenylene diisocyanate (PPDI), 1,5
-Naphthalene diisocyanate (NDI) and 3,3-
Dimethyldiphenyl-4,4'-diisocyanate (T
ODI).
【００２２】また、表面処理溶液には、カーボン、酸化
スズ、酸化亜鉛、導電化処理した樹脂粒子などを含有さ
せてもよく、導電化処理した樹脂粒子としては、例えば
ニッケル／金皮膜アクリル樹脂粒子を挙げることがで
き、導電化処理としては、無電解メッキ法等を挙げるこ
とができる。The surface treatment solution may contain carbon, tin oxide, zinc oxide, resin particles subjected to electrical conductivity, and the like. Examples of the resin particles subjected to electrical conductivity include nickel / gold-coated acrylic resin particles. The electroconductive treatment includes an electroless plating method.
【００２３】さらに、溶剤可溶性樹脂化合物及びイソシ
アネート化合物を溶解する溶剤としては特に限定されな
いが、酢酸エチル、メチルエチルケトン（ＭＥＫ）、ト
ルエン等の有機溶剤を用いればよい。Further, the solvent for dissolving the solvent-soluble resin compound and the isocyanate compound is not particularly limited, but an organic solvent such as ethyl acetate, methyl ethyl ketone (MEK), and toluene may be used.
【００２４】[0024]
【発明の実施の形態】以下、本発明を実施形態に基づい
て説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described based on embodiments.
【００２５】図１には一実施形態にかかる現像ロールを
示す。図１に示すように、芯金１上には導電性弾性層２
が設けられ、また、導電性弾性層２上には表面処理層３
が一体的に設けられている。FIG. 1 shows a developing roll according to one embodiment. As shown in FIG. 1, a conductive elastic layer 2
And a surface treatment layer 3 on the conductive elastic layer 2.
Are provided integrally.
【００２６】また、図２には他の実施形態に係る現像ブ
レードを示す。図２に示すように、ホルダー１１上には
導電性弾性層１２が設けられ、導電性弾性層１２上には
表面処理層１３が一体的に設けられている。FIG. 2 shows a developing blade according to another embodiment. As shown in FIG. 2, a conductive elastic layer 12 is provided on the holder 11, and a surface treatment layer 13 is provided integrally on the conductive elastic layer 12.
【００２７】以下に現像ロールを例として製造例を示
す。A production example will be described below using a developing roll as an example.
【００２８】（実施例１） （ロールの製造）エピクロルヒドリンゴム（エピクロマ
ーＣＧ−１０２；ダイソー社製）１００重量部に対して
過塩化塩素酸リチウム０．３重量部、酸化鉛（ＰｂＯ）
５重量部、加硫剤としての２−メルカプトイミダゾリン
（アクセル−２２）２重量部をロールミキサーで混練り
し、直径６ｍｍの金属製シャフトの表面にプレス成形
し、研磨加工してシャフト表面にゴム弾性部材が形成さ
れたロールを得た。(Example 1) (Production of roll) 0.3 parts by weight of lithium perchlorate and 100 parts by weight of epichlorohydrin rubber (Epichromer CG-102; manufactured by Daiso), lead oxide (PbO)
5 parts by weight and 2 parts by weight of 2-mercaptoimidazoline (Axel-22) as a vulcanizing agent are kneaded with a roll mixer, press-molded on the surface of a metal shaft having a diameter of 6 mm, polished, and rubber is applied to the surface of the shaft. A roll on which an elastic member was formed was obtained.
【００２９】このロール抵抗値は１×１０6Ωであっ
た。なお、現像ロールの抵抗値は図３に示すような方法
で測定した。すなわち、現像ロールをＳＵＳ３０４板か
らなる電極部材２１上に載置し、芯金１の両端に４．９
Ｎの荷重をかけた状態で、芯金１と電極部材２１との間
の抵抗値をＵＬＴＲＡ ＨＩＧＨ ＲＥＳＩＳＴＡＮＣ
Ｅ ＭＥＴＥＲ Ｒ８３４０Ａ（株式会社アドバンテス
ト製）を用いて測定した。なお、このときの印加電圧は
５００Ｖであった。The roll resistance was 1 × 10 6 Ω. The resistance value of the developing roll was measured by a method as shown in FIG. That is, the developing roll is placed on the electrode member 21 made of a SUS304 plate, and 4.9
Under a state where a load of N is applied, the resistance value between the cored bar 1 and the electrode member 21 is changed to ULTRA HIGH RESISTANCE.
It was measured using E METER R8340A (manufactured by Advantest Corporation). The applied voltage at this time was 500V.
【００３０】（表面処理溶液の調製）ＭＲ−２００（日
本ポリウレタン社製）１５重量部、Ｖフロン＃２００
（ＤＮＴ社製）２重量部、酢酸エチル８３重量部を混合
した。(Preparation of Surface Treatment Solution) 15 parts by weight of MR-200 (manufactured by Nippon Polyurethane Co., Ltd.), V Freon # 200
2 parts by weight (manufactured by DNT) and 83 parts by weight of ethyl acetate were mixed.
【００３１】（ロールの表面処理）前記表面処理溶液を
２３℃に保ったまま、前記ロールを浸漬後、１２０℃に
保持されたオーブンで１時間加熱し、現像ロールを得
た。(Surface Treatment of Roll) While the surface treatment solution was maintained at 23 ° C., the roll was immersed, and then heated for 1 hour in an oven maintained at 120 ° C. to obtain a developing roll.
【００３２】この現像ロールのロール抵抗値は２×１０
6Ωであった。このロールを現像ロールとして用い、非
磁性トナー一成分系現像方式で画像を形成させてみた。
このように形成した画像を評価すると共に耐久試験後の
ロール表面を評価した。この結果を表１に示した。The roll resistance of this developing roll is 2 × 10
6 Ω. Using this roll as a developing roll, an image was formed by a non-magnetic toner one-component developing method.
The image thus formed was evaluated, and the roll surface after the durability test was evaluated. The results are shown in Table 1.
【００３３】（実施例２） （表面処理溶液の調製）ＭＲ−２００（日本ポリウレタ
ン社製）１５重量部、Ｖフロン＃２００（ＤＮＴ社製）
１重量部、ケッチェッンブラックＥＣ１重量部、酢酸エ
チル８３重量部を混合した。(Example 2) (Preparation of surface treatment solution) 15 parts by weight of MR-200 (manufactured by Nippon Polyurethane), V-Flon # 200 (manufactured by DNT)
One part by weight, 1 part by weight of Ketchen Black EC, and 83 parts by weight of ethyl acetate were mixed.
【００３４】（ロールの表面処理）前記表面処理溶液を
２３℃に保ったまま、実施例１と同様のロールを浸漬
後、１２０℃に保持されたオーブンで１時間加熱し、現
像ロールを得た。(Surface Treatment of Roll) With the surface treatment solution kept at 23 ° C., the same roll as in Example 1 was immersed, and then heated for 1 hour in an oven kept at 120 ° C. to obtain a developing roll. .
【００３５】この現像ロールのロール抵抗値は１．７×
１０6Ωであった。このロールを現像ロールとして用
い、非磁性トナー一成分系現像方式で画像を形成させて
みた。このように形成した画像を評価すると共に耐久試
験後のロール表面を評価した。この結果を表１に示し
た。The roll resistance of this developing roll is 1.7 ×
It was 10 6 Ω. Using this roll as a developing roll, an image was formed by a non-magnetic toner one-component developing method. The image thus formed was evaluated, and the roll surface after the durability test was evaluated. The results are shown in Table 1.
【００３６】（比較例１） （ロールの製造）実施例１の（ロールの製造）と同じ方
法によりロールを得た。Comparative Example 1 (Production of Roll) A roll was obtained in the same manner as in (Production of Roll) of Example 1.
【００３７】（表面処理溶液の調製）ＭＲ−２００（日
本ポリウレタン社製）１５重量部、酢酸エチル８５重量
部を混合した。(Preparation of Surface Treatment Solution) 15 parts by weight of MR-200 (manufactured by Nippon Polyurethane Co., Ltd.) and 85 parts by weight of ethyl acetate were mixed.
【００３８】（ロールの表面処理）前記表面処理溶液を
２３℃に保ったまま、前記ロールを浸漬後、１２０℃に
保持されたオーブンで１時間加熱し、現像ロールを得
た。(Surface Treatment of Roll) With the surface treatment solution kept at 23 ° C., the roll was immersed, and then heated for 1 hour in an oven kept at 120 ° C. to obtain a developing roll.
【００３９】この現像ロールのロール抵抗値は１．３×
１０6Ωであった。このロールを現像ロールとして用
い、非磁性トナー一成分系現像方式で画像を形成させて
みた。この後、実施例１と同様に評価し、結果を表１に
示した。The roll resistance of this developing roll was 1.3 ×
It was 10 6 Ω. Using this roll as a developing roll, an image was formed by a non-magnetic toner one-component developing method. Thereafter, evaluation was performed in the same manner as in Example 1, and the results are shown in Table 1.
【００４０】（比較例２） （ロールの製造）実施例１の（ロールの製造）と同じ方
法によりロールを得た。Comparative Example 2 (Production of Roll) A roll was obtained in the same manner as in (Production of Roll) in Example 1.
【００４１】（表面処理溶液の調製）ＭＲ−２００（日
本ポリウレタン社製）１５重量部、カイナー５００（エ
ルフ・アトケム・ジャパン社製）２重量部、酢酸エチル
８３重量部を混合した。(Preparation of Surface Treatment Solution) 15 parts by weight of MR-200 (manufactured by Nippon Polyurethane), 2 parts by weight of Kynar 500 (manufactured by Elf Atochem Japan) and 83 parts by weight of ethyl acetate were mixed.
【００４２】（ロールの表面処理）前記表面処理溶液を
２３℃に保ったまま、前記ロールを浸漬後、１２０℃に
保持されたオーブンで１時間加熱し、現像ロールを得
た。(Surface Treatment of Roll) While the surface treatment solution was maintained at 23 ° C., the roll was immersed, and then heated for 1 hour in an oven maintained at 120 ° C. to obtain a developing roll.
【００４３】この現像ロールのロール抵抗値は２．５×
１０6Ωであった。このロールを現像ロールとして用
い、非磁性トナー一成分系現像方式で画像を形成させ
た。この後、実施例１と同様に評価し、結果を表１に示
した。The roll resistance of this developing roll is 2.5 ×
It was 10 6 Ω. Using this roll as a developing roll, an image was formed by a non-magnetic toner one-component developing method. Thereafter, evaluation was performed in the same manner as in Example 1, and the results are shown in Table 1.
【００４４】[0044]
【表１】 [Table 1]
【００４５】＊ ５ 極めて軽微に発生 ４ 軽微に発生 ３ 許容できるレベルで発生 ２ 見苦しく発生 １ 極めて見苦しく発生* 5 Extremely slight occurrence 4 Minor occurrence 3 Occurring at an acceptable level 2 Unsightly occurrence 1 Extremely unsightly occurrence
【００４６】[0046]
【発明の効果】以上説明したように、本発明のゴム弾性
部材は容易に形成できると共に耐久性を向上することが
でき、製造コストを低減することができる。また、これ
を用いた現像ロールはロールの特性を向上することがで
きる。As described above, the rubber elastic member of the present invention can be easily formed, can improve the durability, and can reduce the manufacturing cost. Further, a developing roll using this can improve the properties of the roll.
【図面の簡単な説明】[Brief description of the drawings]
【図１】一実施形態にかかる現像ロールの断面図であ
る。FIG. 1 is a cross-sectional view of a developing roll according to one embodiment.
【図２】一実施形態にかかる現像ブレードの断面図であ
る。FIG. 2 is a cross-sectional view of a developing blade according to one embodiment.
【図３】現像ロールの抵抗値の測定方法を示す図であ
る。FIG. 3 is a diagram illustrating a method of measuring a resistance value of a developing roll.
１ 芯金 ２，１２ 導電性弾性層 ３，１３ 表面処理層 １１ ホルダー DESCRIPTION OF SYMBOLS 1 Core metal 2,12 Conductive elastic layer 3,13 Surface treatment layer 11 Holder
フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｇ０３Ｇ 15/02 １０１ Ｇ０３Ｇ 15/02 １０１ ４Ｊ０３４ 15/08 ５０１ 15/08 ５０１Ｄ ５０４ ５０４Ｄ 15/16 １０３ 15/16 １０３ // Ｃ０８Ｌ 15:02 Ｃ０８Ｌ 15:02 Ｆターム(参考） 2H003 BB11 CC05 2H077 AD06 AD14 EA14 FA13 FA25 3J103 AA02 AA12 AA23 EA11 FA12 GA02 GA57 GA58 HA12 HA20 HA41 HA43 HA53 HA54 4F006 AA04 AA16 AB37 BA07 CA08 4F100 AA25B AA25C AA25H AA28B AA28C AA28H AA37B AA37C AA37H AK17B AK17C AK25B AK25C AK51B AK51C AK54A AK54J AK54K AL01A AL05A AL05B AL05C AN02A BA03 BA06 BA10B BA10C CA21B CA21C DD31 EH462 EJ422 GB41 JL00 4J034 BA03 CA01 CA21 DC50 DD07 DP03 DP14 DP18 HA01 HA07 HA11 HC03 HC12 HC13 MA02 MA03 QB07 QC05 RA11 RA14 SA02 SB01 SB03 SC09 Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat II (Reference) G03G 15/02 101 G03G 15/02 101 4J034 15/08 501 15/08 501D 504 504D 15/16 103 15/16 103 / / C08L 15:02 C08L 15:02 F term (reference) 2H003 BB11 CC05 2H077 AD06 AD14 EA14 FA13 FA25 3J103 AA02 AA12 AA23 EA11 FA12 GA02 GA57 GA58 HA12 HA20 HA41 HA43 HA53 HA54 4F006 AA04 AA16A37AB28A100A AA28H AA37B AA37C AA37H AK17B AK17C AK25B AK25C AK51B AK51C AK54A AK54J AK54K AL01A AL05A AL05B AL05C AN02A BA03 BA06 BA10B BA10C CA21B CA21C DD31 EH462 EJ422 GB41 DC03 DP03 4 SA02 SB01 SB03 SC09
Claims (9)
クロルヒドリン−エチレンオキシド共重合体及びエピク
ロルヒドリン−エチレンオキシド−アリルグリシジルエ
ーテル共重合体からなる群から選択されたマトリックス
からなるゴム弾性部と、フッ素樹脂化合物又はアクリル
樹脂化合物で活性水素を有すると共に溶剤可溶性のもの
からなる群から選択される少なくとも一種の溶剤可溶性
樹脂化合物とイソシアネート化合物とを含む表面処理溶
液で表面処理することにより前記ゴム弾性部表層に設け
られた表面処理層とを具備することを特徴とするゴム弾
性部材。1. A rubber elastic part comprising a matrix selected from the group consisting of epichlorohydrin homopolymer, epichlorohydrin-ethylene oxide copolymer and epichlorohydrin-ethylene oxide-allyl glycidyl ether copolymer, and active with a fluororesin compound or an acrylic resin compound. Surface treatment layer provided on the rubber elastic part surface layer by performing a surface treatment with a surface treatment solution containing at least one solvent-soluble resin compound and an isocyanate compound selected from the group consisting of solvent-soluble ones having hydrogen. A rubber elastic member comprising:
が、カーボン、酸化スズ、酸化亜鉛及び導電化処理した
樹脂粒子からなる群から選択される少なくとも一種を含
むことを特徴とするゴム弾性部材。2. The rubber elastic member according to claim 1, wherein the surface treatment solution contains at least one selected from the group consisting of carbon, tin oxide, zinc oxide, and resin particles subjected to conductivity treatment.
層は、前記イソシアネート化合物と前記溶剤可溶性樹脂
化合物の活性水素を有する部位とが反応することにより
前記ゴム弾性部の表面に保持されていることを特徴とす
るゴム弾性部材。3. The surface treatment layer according to claim 1, wherein the surface treatment layer is held on the surface of the rubber elastic portion by a reaction between the isocyanate compound and a site having active hydrogen of the solvent-soluble resin compound. A rubber elastic member characterized by the above-mentioned.
面処理層は、前記表面処理液を前記ゴム弾性部表面に施
した後、加熱処理することにより形成されることを特徴
とするゴム弾性部材。4. The rubber according to claim 1, wherein the surface treatment layer is formed by applying the surface treatment liquid to the surface of the rubber elastic portion and then performing a heat treatment. Elastic member.
面処理層は、前記ゴム弾性部の表面から内部に向かって
漸次疎になるよう形成されていることを特徴とするゴム
弾性部材。5. The rubber elastic member according to claim 1, wherein the surface treatment layer is formed so as to be gradually sparse from the surface of the rubber elastic portion toward the inside.
クロルヒドリン−エチレンオキシド共重合体及びエピク
ロルヒドリン−エチレンオキシド−アリルグリシジルエ
ーテル共重合体からなる群から選択されたマトリックス
からなるゴム弾性部の表面に、フッ素樹脂化合物又はア
クリル樹脂化合物で活性水素を有すると共に溶剤可溶性
のものからなる群から選択される少なくとも一種の溶剤
可溶性樹脂化合物とイソシアネート化合物とを含む表面
処理溶液を施す工程と、続いて加熱処理することにより
前記ゴム弾性部表面に表面処理層を形成する工程とを具
備することを特徴とするゴム弾性部材の製造方法。6. A fluororesin compound or an acrylic resin compound on the surface of a rubber elastic part comprising a matrix selected from the group consisting of epichlorohydrin homopolymer, epichlorohydrin-ethylene oxide copolymer and epichlorohydrin-ethylene oxide-allyl glycidyl ether copolymer. A step of applying a surface treatment solution containing at least one solvent-soluble resin compound selected from the group consisting of solvent-soluble ones having active hydrogen and an isocyanate compound, and then heating the rubber elastic portion surface by heat treatment Forming a surface treatment layer on the surface of the rubber elastic member.
が、カーボン、酸化スズ、酸化亜鉛及び導電化処理した
樹脂粒子からなる群から選択される少なくとも一種を含
むことを特徴とするゴム弾性部材の製造方法。7. The rubber elastic member according to claim 6, wherein the surface treatment solution contains at least one selected from the group consisting of carbon, tin oxide, zinc oxide, and resin particles subjected to conductivity treatment. Production method.
記イソシアネート化合物と前記溶剤可溶性樹脂化合物の
活性水素を有する部位とが反応する条件で行うことを特
徴とするゴム弾性部材の製造方法。8. The method for producing a rubber elastic member according to claim 6, wherein the heat treatment is performed under conditions in which the isocyanate compound reacts with a site having active hydrogen of the solvent-soluble resin compound.
面処理溶液を前記ゴム弾性部表層に施す工程は、塗布又
はディッピングにより行うことを特徴とするゴム弾性部
材の製造方法。9. The method of manufacturing a rubber elastic member according to claim 6, wherein the step of applying the surface treatment solution to the surface layer of the rubber elastic portion is performed by coating or dipping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001045682A JP2001348443A (en) | 2000-04-03 | 2001-02-21 | Rubber elastic member and manufacturing method therefor |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000-100515 | 2000-04-03 | ||
| JP2000100515 | 2000-04-03 | ||
| JP2001045682A JP2001348443A (en) | 2000-04-03 | 2001-02-21 | Rubber elastic member and manufacturing method therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001348443A true JP2001348443A (en) | 2001-12-18 |
Family
ID=26589330
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001045682A Pending JP2001348443A (en) | 2000-04-03 | 2001-02-21 | Rubber elastic member and manufacturing method therefor |
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| Country | Link |
|---|---|
| JP (1) | JP2001348443A (en) |
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| EP2045284A1 (en) * | 2007-10-05 | 2009-04-08 | Synztec Co., Ltd. | Method and apparatus for surface treatment of rubber member |
| US7539442B2 (en) | 2006-06-06 | 2009-05-26 | Ricoh Company, Ltd. | Charging unit, process unit including the same, and image forming apparatus including the same |
| US7668484B2 (en) | 2006-04-28 | 2010-02-23 | Sharp Kabushiki Kaisha | Charging roller and image forming apparatus incorporating same |
| US7869743B2 (en) | 2006-04-28 | 2011-01-11 | Sharp Kabushiki Kaisha | Image forming apparatus, process cartridge used therein, and production method of charging roller |
| US7934316B2 (en) | 2006-04-28 | 2011-05-03 | Sharp Kabushiki Kaisha | Charging roller, process cartridge and image forming apparatus |
| CN104122775A (en) * | 2013-04-26 | 2014-10-29 | 株式会社理光 | Developing roller, developing device, process cartridge, and image forming apparatus |
| JP2016057565A (en) * | 2014-09-12 | 2016-04-21 | 京セラドキュメントソリューションズ株式会社 | Developing device and image formation apparatus having the same |
| WO2022197196A1 (en) | 2021-03-18 | 2022-09-22 | Universitatea "Dunărea De Jos" Din Galaţi | Asphalt mixtures improvement with waste grit and microplastics |
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| US7668484B2 (en) | 2006-04-28 | 2010-02-23 | Sharp Kabushiki Kaisha | Charging roller and image forming apparatus incorporating same |
| US7869743B2 (en) | 2006-04-28 | 2011-01-11 | Sharp Kabushiki Kaisha | Image forming apparatus, process cartridge used therein, and production method of charging roller |
| US7934316B2 (en) | 2006-04-28 | 2011-05-03 | Sharp Kabushiki Kaisha | Charging roller, process cartridge and image forming apparatus |
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| CN104122775A (en) * | 2013-04-26 | 2014-10-29 | 株式会社理光 | Developing roller, developing device, process cartridge, and image forming apparatus |
| EP2796934A1 (en) * | 2013-04-26 | 2014-10-29 | Ricoh Company, Ltd. | Developing roller, developing device, process cartridge, and image forming apparatus |
| CN104122775B (en) * | 2013-04-26 | 2018-05-08 | 株式会社理光 | Developer roll, developing apparatus, cartridge processing and image forming apparatus |
| JP2016057565A (en) * | 2014-09-12 | 2016-04-21 | 京セラドキュメントソリューションズ株式会社 | Developing device and image formation apparatus having the same |
| WO2022197196A1 (en) | 2021-03-18 | 2022-09-22 | Universitatea "Dunărea De Jos" Din Galaţi | Asphalt mixtures improvement with waste grit and microplastics |
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