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WO2008140020A1 - 導電性ローラ - Google Patents

導電性ローラ Download PDF

Info

Publication number
WO2008140020A1
WO2008140020A1 PCT/JP2008/058557 JP2008058557W WO2008140020A1 WO 2008140020 A1 WO2008140020 A1 WO 2008140020A1 JP 2008058557 W JP2008058557 W JP 2008058557W WO 2008140020 A1 WO2008140020 A1 WO 2008140020A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrically conductive
conductive roller
elastic layer
urethane foam
layer
Prior art date
Application number
PCT/JP2008/058557
Other languages
English (en)
French (fr)
Inventor
Hirotaka Tagawa
Kota Kawano
Takayuki Sugimura
Original Assignee
Bridgestone Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2007126658A external-priority patent/JP4998718B2/ja
Priority claimed from JP2007217345A external-priority patent/JP4662288B2/ja
Application filed by Bridgestone Corporation filed Critical Bridgestone Corporation
Priority to EP08752448.4A priority Critical patent/EP2151719B1/en
Priority to US12/599,634 priority patent/US8932194B2/en
Priority to CN200880015458.7A priority patent/CN101681140B/zh
Publication of WO2008140020A1 publication Critical patent/WO2008140020A1/ja

Links

Classifications

    • 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
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0208—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus
    • G03G15/0216—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus by bringing a charging member into contact with the member to be charged, e.g. roller, brush chargers
    • G03G15/0233—Structure, details of the charging member, e.g. chemical composition, surface properties
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
    • C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
    • 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
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0818—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the structure of the donor member, e.g. surface properties
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G03G15/1665—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat
    • G03G15/167—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer
    • G03G15/1685—Structure, details of the transfer member, e.g. chemical composition
    • 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
    • G03G15/2053—Structural details of heat elements, e.g. structure of roller or belt, eddy current, induction heating

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Plasma & Fusion (AREA)
  • Engineering & Computer Science (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Abstract

　従来のようなコスト性や圧縮永久歪み等の問題を有することなく、所望の表面粗さを容易に得ることができ、かつ、セット性についても良好な導電性ローラを提供する。 　軸１と、その外周に担持された弾性層２と、その外周面に形成された１層の表層３とを備える導電性ローラ１０である。弾性層２が、表層３の形成に用いられる溶剤に対する膨潤度が１２０％以下であるウレタンフォームからなる。ウレタンフォームは、ポリオール成分として、水酸基価２００～４００、官能基数３以上のポリエステルポリオールを含むことが好ましい。
PCT/JP2008/058557 2007-05-11 2008-05-08 導電性ローラ WO2008140020A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08752448.4A EP2151719B1 (en) 2007-05-11 2008-05-08 Electrically conductive roller
US12/599,634 US8932194B2 (en) 2007-05-11 2008-05-08 Electrically conductive roller
CN200880015458.7A CN101681140B (zh) 2007-05-11 2008-05-08 导电辊

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007126658A JP4998718B2 (ja) 2007-05-11 2007-05-11 ポリウレタン発泡体及びそれを用いた導電性ローラ
JP2007-126658 2007-05-11
JP2007217345A JP4662288B2 (ja) 2007-08-23 2007-08-23 導電性ローラ
JP2007-217345 2007-08-23

Publications (1)

Publication Number Publication Date
WO2008140020A1 true WO2008140020A1 (ja) 2008-11-20

Family

ID=40002220

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/058557 WO2008140020A1 (ja) 2007-05-11 2008-05-08 導電性ローラ

Country Status (4)

Country Link
US (1) US8932194B2 (ja)
EP (1) EP2151719B1 (ja)
CN (1) CN101681140B (ja)
WO (1) WO2008140020A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012027122A (ja) * 2010-07-21 2012-02-09 Shin Etsu Polymer Co Ltd 導電性ローラ及び画像形成装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5998472B2 (ja) * 2011-12-22 2016-09-28 富士ゼロックス株式会社 導電性ロール、画像形成装置およびプロセスカートリッジ
JP5482951B2 (ja) * 2012-09-18 2014-05-07 株式会社リコー 静電画像形成用トナー、現像剤、プロセスカートリッジ、画像形成装置
JP6367622B2 (ja) * 2014-06-30 2018-08-01 株式会社ブリヂストン 導電性部材用組成物
JP6176455B2 (ja) * 2014-08-07 2017-08-09 シンジーテック株式会社 給紙搬送ロール及びその製造方法
JP6375203B2 (ja) * 2014-10-28 2018-08-15 住友理工株式会社 電子写真機器用導電性部材
EP3552824B1 (en) * 2016-12-09 2022-01-19 Inoac Technical Center Co., Ltd. Roll, method for manufacturing roll, and resin
CN108003603B (zh) * 2017-10-24 2020-12-11 东莞市沃顿橡塑新材料有限公司 一种聚氨酯充电辊及其制备方法
KR20210090472A (ko) * 2020-01-10 2021-07-20 휴렛-팩커드 디벨롭먼트 컴퍼니, 엘.피. 우레탄 폼을 포함하는 표면층을 갖는 대전 부재

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0338663A (ja) * 1989-07-05 1991-02-19 Canon Inc 電子写真用帯電部材および電子写真装置
JPH05125209A (ja) * 1991-11-07 1993-05-21 Bridgestone Corp ローラー及びその製造方法
JPH0616301A (ja) * 1992-06-29 1994-01-25 Bridgestone Corp 複写機用ローラーの表面被覆方法
JPH06301267A (ja) 1993-04-16 1994-10-28 Bando Chem Ind Ltd 帯電用部材および帯電装置
JPH09171309A (ja) * 1995-09-22 1997-06-30 Bridgestone Corp 転写ローラ及び転写装置
JP2002347199A (ja) * 2001-05-29 2002-12-04 Bando Chem Ind Ltd Ｏａ機器用弾性部材
JP2004078071A (ja) * 2002-08-22 2004-03-11 Inoac Corp 導電ローラ及びその製造方法
JP2005316123A (ja) * 2004-04-28 2005-11-10 Canon Chemicals Inc 導電性ローラ及びその製造方法並びにマスキング用キャップ
JP2006227529A (ja) * 2005-02-21 2006-08-31 Ricoh Co Ltd 画像形成装置
JP2006301344A (ja) * 2005-04-21 2006-11-02 Bridgestone Corp 導電性ローラ及びそれを備えた画像形成装置
JP2006301512A (ja) * 2005-04-25 2006-11-02 Bando Chem Ind Ltd 電子写真装置用現像部材
JP2006349740A (ja) * 2005-06-13 2006-12-28 Bridgestone Corp 導電性ローラ
JP2006349741A (ja) * 2005-06-13 2006-12-28 Bridgestone Corp 現像ローラ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020119324A1 (en) * 2000-11-02 2002-08-29 Bridgestone Corporation Charging member, charging device and manufacture of charging roller
JP4354189B2 (ja) * 2003-01-30 2009-10-28 東海ゴム工業株式会社 現像ロール
JP5232357B2 (ja) * 2005-08-11 2013-07-10 株式会社ブリヂストン 導電性ローラ及びそれを備えた画像形成装置

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0338663A (ja) * 1989-07-05 1991-02-19 Canon Inc 電子写真用帯電部材および電子写真装置
JPH05125209A (ja) * 1991-11-07 1993-05-21 Bridgestone Corp ローラー及びその製造方法
JPH0616301A (ja) * 1992-06-29 1994-01-25 Bridgestone Corp 複写機用ローラーの表面被覆方法
JPH06301267A (ja) 1993-04-16 1994-10-28 Bando Chem Ind Ltd 帯電用部材および帯電装置
JPH09171309A (ja) * 1995-09-22 1997-06-30 Bridgestone Corp 転写ローラ及び転写装置
JP2002347199A (ja) * 2001-05-29 2002-12-04 Bando Chem Ind Ltd Ｏａ機器用弾性部材
JP2004078071A (ja) * 2002-08-22 2004-03-11 Inoac Corp 導電ローラ及びその製造方法
JP2005316123A (ja) * 2004-04-28 2005-11-10 Canon Chemicals Inc 導電性ローラ及びその製造方法並びにマスキング用キャップ
JP2006227529A (ja) * 2005-02-21 2006-08-31 Ricoh Co Ltd 画像形成装置
JP2006301344A (ja) * 2005-04-21 2006-11-02 Bridgestone Corp 導電性ローラ及びそれを備えた画像形成装置
JP2006301512A (ja) * 2005-04-25 2006-11-02 Bando Chem Ind Ltd 電子写真装置用現像部材
JP2006349740A (ja) * 2005-06-13 2006-12-28 Bridgestone Corp 導電性ローラ
JP2006349741A (ja) * 2005-06-13 2006-12-28 Bridgestone Corp 現像ローラ

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2151719A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012027122A (ja) * 2010-07-21 2012-02-09 Shin Etsu Polymer Co Ltd 導電性ローラ及び画像形成装置

Also Published As

Publication number Publication date
US20110124478A1 (en) 2011-05-26
CN101681140A (zh) 2010-03-24
EP2151719A1 (en) 2010-02-10
EP2151719B1 (en) 2013-07-24
EP2151719A4 (en) 2011-12-28
US8932194B2 (en) 2015-01-13
CN101681140B (zh) 2012-08-22

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