JP7895770B2 - トナー - Google Patents

トナー

Info

Publication number
JP7895770B2
JP7895770B2 JP2022100447A JP2022100447A JP7895770B2 JP 7895770 B2 JP7895770 B2 JP 7895770B2 JP 2022100447 A JP2022100447 A JP 2022100447A JP 2022100447 A JP2022100447 A JP 2022100447A JP 7895770 B2 JP7895770 B2 JP 7895770B2
Authority
JP
Japan
Prior art keywords
toner
tanδ
mass
temperature
crystalline resin
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.)
Active
Application number
JP2022100447A
Other languages
English (en)
Japanese (ja)
Other versions
JP2024001651A (ja
JP2024001651A5 (cg-RX-API-DMAC7.html
Inventor
健太郎 山脇
祥太郎 野村
健二 青木
祐 吉田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2022100447A priority Critical patent/JP7895770B2/ja
Priority to US18/339,830 priority patent/US20230418175A1/en
Publication of JP2024001651A publication Critical patent/JP2024001651A/ja
Publication of JP2024001651A5 publication Critical patent/JP2024001651A5/ja
Application granted granted Critical
Publication of JP7895770B2 publication Critical patent/JP7895770B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G03G9/08702—Binders for toner particles comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G9/08726—Polymers of unsaturated acids or derivatives thereof
    • G03G9/08733—Polymers of unsaturated polycarboxylic acids
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/12—Esters of monohydric alcohols or phenols
    • C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
    • C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
    • C08F220/1818—C13or longer chain (meth)acrylate, e.g. stearyl (meth)acrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
    • C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
    • C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
    • C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers thereof
    • 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
    • G03G9/08702—Binders for toner particles comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G9/08704—Polyalkenes
    • 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
    • G03G9/08702—Binders for toner particles comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G9/08706—Polymers of alkenyl-aromatic compounds
    • G03G9/08708—Copolymers of styrene
    • G03G9/08711—Copolymers of styrene with esters of acrylic or methacrylic acid
    • 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
    • G03G9/08797—Macromolecular material not specially provided for in a single one of groups G03G9/08702 - G03G9/08775 characterised by their physical properties, e.g. viscosity, solubility, melting temperature, softening temperature, glass transition temperature
    • 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
    • G03G9/09783—Organo-metallic compounds
    • G03G9/09791—Metallic soaps of higher carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2810/00—Chemical modification of a polymer
    • C08F2810/20—Chemical modification of a polymer leading to a crosslinking, either explicitly or inherently

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Developing Agents For Electrophotography (AREA)
JP2022100447A 2022-06-22 2022-06-22 トナー Active JP7895770B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2022100447A JP7895770B2 (ja) 2022-06-22 2022-06-22 トナー
US18/339,830 US20230418175A1 (en) 2022-06-22 2023-06-22 Toner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022100447A JP7895770B2 (ja) 2022-06-22 2022-06-22 トナー

Publications (3)

Publication Number Publication Date
JP2024001651A JP2024001651A (ja) 2024-01-10
JP2024001651A5 JP2024001651A5 (cg-RX-API-DMAC7.html) 2025-06-26
JP7895770B2 true JP7895770B2 (ja) 2026-07-28

Family

ID=89323957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022100447A Active JP7895770B2 (ja) 2022-06-22 2022-06-22 トナー

Country Status (2)

Country Link
US (1) US20230418175A1 (cg-RX-API-DMAC7.html)
JP (1) JP7895770B2 (cg-RX-API-DMAC7.html)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014174262A (ja) 2013-03-07 2014-09-22 Ricoh Co Ltd 電子写真画像形成用トナー、画像形成方法、画像形成装置及びプロセスカートリッジ
JP2019020492A (ja) 2017-07-12 2019-02-07 キヤノン株式会社 トナー
JP2019109379A (ja) 2017-12-19 2019-07-04 キヤノン株式会社 トナーの製造方法
JP2019219640A (ja) 2018-06-13 2019-12-26 キヤノン株式会社 トナー及びトナーの製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007086195A1 (ja) * 2006-01-24 2007-08-02 Matsushita Electric Industrial Co., Ltd. トナー及びその製造方法
EP3582014B1 (en) * 2018-06-13 2023-08-30 Canon Kabushiki Kaisha Toner and toner manufacturing method
US11048184B2 (en) * 2019-01-14 2021-06-29 Xerox Corporation Toner process employing dual chelating agents
JP7592446B2 (ja) * 2020-10-05 2024-12-02 キヤノン株式会社 トナー及びトナーの製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014174262A (ja) 2013-03-07 2014-09-22 Ricoh Co Ltd 電子写真画像形成用トナー、画像形成方法、画像形成装置及びプロセスカートリッジ
JP2019020492A (ja) 2017-07-12 2019-02-07 キヤノン株式会社 トナー
JP2019109379A (ja) 2017-12-19 2019-07-04 キヤノン株式会社 トナーの製造方法
JP2019219640A (ja) 2018-06-13 2019-12-26 キヤノン株式会社 トナー及びトナーの製造方法

Also Published As

Publication number Publication date
JP2024001651A (ja) 2024-01-10
US20230418175A1 (en) 2023-12-28

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