TWI456364B - 磁性調色劑 - Google Patents

磁性調色劑 Download PDF

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Publication number
TWI456364B
TWI456364B TW101150554A TW101150554A TWI456364B TW I456364 B TWI456364 B TW I456364B TW 101150554 A TW101150554 A TW 101150554A TW 101150554 A TW101150554 A TW 101150554A TW I456364 B TWI456364 B TW I456364B
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TW
Taiwan
Prior art keywords
magnetic toner
fine particles
ratio
particles
magnetic
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TW101150554A
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English (en)
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TW201331727A (zh
Inventor
Yusuke Hasegawa
Tadashi Dojo
Michihisa Magome
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Canon Kk
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Publication of TW201331727A publication Critical patent/TW201331727A/zh
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Publication of TWI456364B publication Critical patent/TWI456364B/zh

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G03G9/0831—Chemical composition of the magnetic components
    • G03G9/0834—Non-magnetic inorganic compounds chemically incorporated in magnetic components
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/0819—Developers with toner particles characterised by the dimensions of the particles
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/0802—Preparation methods
    • G03G9/081—Preparation methods by mixing the toner components in a liquefied state; melt kneading; reactive mixing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/0825—Developers with toner particles characterised by their structure; characterised by non-homogenuous distribution of components
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/0827—Developers with toner particles characterised by their shape, e.g. degree of sphericity
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G03G9/0831—Chemical composition of the magnetic components
    • G03G9/0833—Oxides
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G03G9/0835—Magnetic parameters of the magnetic components
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G03G9/0836—Other physical parameters of the magnetic components
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/087—Binders for toner particles
    • G03G9/08742—Binders for toner particles comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G9/08755—Polyesters
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/087—Binders for toner particles
    • G03G9/08784—Macromolecular material not specially provided for in a single one of groups G03G9/08702 - G03G9/08775
    • G03G9/08795—Macromolecular material not specially provided for in a single one of groups G03G9/08702 - G03G9/08775 characterised by their chemical properties, e.g. acidity, molecular weight, sensitivity to reactants
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/097—Plasticisers; Charge controlling agents
    • G03G9/09708—Inorganic compounds
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/097—Plasticisers; Charge controlling agents
    • G03G9/09708—Inorganic compounds
    • G03G9/09725—Silicon-oxides; Silicates

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Developing Agents For Electrophotography (AREA)

Claims (6)

  1. 一種磁性調色劑，其包含：包含黏合劑樹脂和磁性體之磁性調色劑粒子，及存在於該等磁性調色劑粒子表面上的無機微細粒子其中；該等存在於磁性調色劑粒子表面上的無機微細粒子包含金屬氧化物微細粒子，該等金屬氧化物微細粒子含有矽石微細粒子，並可隨意含有氧化鈦微細粒子及氧化鋁微細粒子，且該等矽石微細粒子之含量相對於該等矽石微細粒子、氧化鈦微細粒子及氧化鋁微細粒子之總質量為至少85質量%；其中；當覆蓋比率A(%)為磁性調色劑粒子表面被無機微細粒子所覆蓋之比率且覆蓋比率B(%)為磁性調色劑粒子表面被固著於磁性調色劑粒子表面之無機微細粒子所覆蓋之比率時，該磁性調色劑具有至少45.0%且不超過70.0%之覆蓋比率A以及至少0.50且不超過0.85之覆蓋比率B對覆蓋比率A的比率[覆蓋比率B/覆蓋比率A]，且其中該磁性調色劑具有在100 kHz之頻率及30℃之溫度下至少30.0 pF/m且不超過40.0 pF/m的介電常數ε' 且具有不超過9.0×10-3 的介電損失正切(tan δ)。
  2. 如申請專利範圍第1項之磁性調色劑，其中該黏 合劑樹脂包含聚酯樹脂。
  3. 如申請專利範圍第1項之磁性調色劑，其中該覆蓋比率A之變異係數不超過10.0%。
  4. 如申請專利範圍第1項之磁性調色劑，其中該磁性調色劑包含至少35質量%至不超過50質量%的磁性體。
  5. 如申請專利範圍第1項之磁性調色劑，其中使用電位滴定裝置測量將該磁性調色劑溶解於甲苯與乙醇的混合溶劑中所得之可溶性物質的酸值係至少5 mg KOH/g至不超過50 mg KOH/g。
  6. 如申請專利範圍第1項之磁性調色劑，其中該磁性調色劑具有至少0.935至不超過0.955的平均圓度。
TW101150554A 2011-12-27 2012-12-27 磁性調色劑 TWI456364B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011286201 2011-12-27

Publications (2)

Publication Number Publication Date
TW201331727A TW201331727A (zh) 2013-08-01
TWI456364B true TWI456364B (zh) 2014-10-11

Family

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TW101150554A TWI456364B (zh) 2011-12-27 2012-12-27 磁性調色劑

Country Status (10)

Country Link
US (1) US9454096B2 (zh)
JP (1) JP5367150B2 (zh)
KR (1) KR20140107525A (zh)
CN (1) CN104024948B (zh)
BR (1) BR112014012555A2 (zh)
DE (1) DE112012005504B4 (zh)
MY (1) MY185133A (zh)
RU (1) RU2566746C1 (zh)
TW (1) TWI456364B (zh)
WO (1) WO2013100183A1 (zh)

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JP5858810B2 (ja) * 2012-02-01 2016-02-10 キヤノン株式会社 磁性トナー
JP6300508B2 (ja) * 2013-12-17 2018-03-28 キヤノン株式会社 トナー、トナーの製造方法
JP6410593B2 (ja) 2013-12-26 2018-10-24 キヤノン株式会社 磁性トナー
JP6341660B2 (ja) 2013-12-26 2018-06-13 キヤノン株式会社 磁性トナー
US9658546B2 (en) 2014-11-28 2017-05-23 Canon Kabushiki Kaisha Toner and method of producing toner
JP6991701B2 (ja) 2015-12-04 2022-01-12 キヤノン株式会社 トナー
JP6762706B2 (ja) 2015-12-04 2020-09-30 キヤノン株式会社 トナー
US9804519B2 (en) 2015-12-04 2017-10-31 Canon Kabushiki Kaisha Method for producing toner
US10228627B2 (en) 2015-12-04 2019-03-12 Canon Kabushiki Kaisha Toner
JP6768423B2 (ja) 2015-12-04 2020-10-14 キヤノン株式会社 トナーの製造方法
DE102016116610B4 (de) 2015-12-04 2021-05-20 Canon Kabushiki Kaisha Toner
JP6859141B2 (ja) 2016-03-24 2021-04-14 キヤノン株式会社 トナー粒子の製造方法
JP6873796B2 (ja) 2016-04-21 2021-05-19 キヤノン株式会社 トナー
JP6878133B2 (ja) 2016-05-20 2021-05-26 キヤノン株式会社 トナー
US9946181B2 (en) 2016-05-20 2018-04-17 Canon Kabushiki Kaisha Toner
US10545420B2 (en) 2017-07-04 2020-01-28 Canon Kabushiki Kaisha Magnetic toner and image-forming method
JP7267706B2 (ja) 2018-10-02 2023-05-02 キヤノン株式会社 磁性トナー
JP7267705B2 (ja) 2018-10-02 2023-05-02 キヤノン株式会社 磁性トナー
JP7275690B2 (ja) * 2019-03-15 2023-05-18 富士フイルムビジネスイノベーション株式会社 静電荷像現像用トナー、静電荷像現像剤、トナーカートリッジ、プロセスカートリッジ、画像形成装置、及び画像形成方法
JP7322553B2 (ja) * 2019-07-03 2023-08-08 コニカミノルタ株式会社 画像形成装置及びプログラム
JP7330852B2 (ja) * 2019-10-18 2023-08-22 キヤノン株式会社 電子写真装置、プロセスカートリッジ、及びカートリッジセット
JP7401255B2 (ja) * 2019-10-18 2023-12-19 キヤノン株式会社 電子写真装置、プロセスカートリッジ、及びカートリッジセット

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JP2006052332A (ja) * 2004-08-12 2006-02-23 Nippon Shokubai Co Ltd 複合粒子およびその製造方法
JP2008040434A (ja) * 2006-08-10 2008-02-21 Ricoh Co Ltd 静電荷現像用トナーおよび製造方法
JP2010282017A (ja) * 2009-06-04 2010-12-16 Ricoh Co Ltd 静電荷現像用トナー、静電荷現像用トナーの製造方法、現像方法、現像装置、画像形成装置、及び静電荷現像用トナー評価方法

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Publication number Publication date
CN104024948A (zh) 2014-09-03
US20140302433A1 (en) 2014-10-09
DE112012005504B4 (de) 2019-04-25
KR20140107525A (ko) 2014-09-04
US9454096B2 (en) 2016-09-27
TW201331727A (zh) 2013-08-01
WO2013100183A1 (en) 2013-07-04
JP5367150B2 (ja) 2013-12-11
CN104024948B (zh) 2017-05-24
MY185133A (en) 2021-04-30
DE112012005504T5 (de) 2015-01-22
BR112014012555A2 (pt) 2017-06-06
JP2013152460A (ja) 2013-08-08
RU2566746C1 (ru) 2015-10-27

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