JP2010139547A5 - Image forming method - Google Patents
Image forming method Download PDFInfo
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- JP2010139547A5 JP2010139547A5 JP2008313215A JP2008313215A JP2010139547A5 JP 2010139547 A5 JP2010139547 A5 JP 2010139547A5 JP 2008313215 A JP2008313215 A JP 2008313215A JP 2008313215 A JP2008313215 A JP 2008313215A JP 2010139547 A5 JP2010139547 A5 JP 2010139547A5
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- toner
- image forming
- forming method
- fatty acid
- metal salt
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本発明者らは上記課題を解決するべく研究を重ね、トナー担持体及び用いるトナーの摩擦係数を一定のものとすることで課題を解決できることを見出し、発明を完成させた。即ち本発明は、トナー担持体上にトナーの薄層を形成させるための規制部材によりトナー層を形成し、感光体に非接触もしくは接触して現像する前記トナー担持体により前記トナーを現像して感光体上にトナー像を得る画像形成方法であって、
前記トナー担持体の摩擦係数μｄが１．３５〜２．００であり、
前記トナーが、少なくとも結着樹脂及び着色剤を含有するトナー粒子と、少なくとも無機微粉体とを有する一成分現像用トナーであり、
前記トナー担持体上にトナー層を形成させた状態における、前記トナーの摩擦係数μｔが、０．０６〜０．３５であることを特徴とする画像形成方法に関する。
The inventors of the present invention have made researches to solve the above problems, and found that the problems can be solved by making the friction coefficient of the toner carrier and the toner to be used constant, thereby completing the invention. The present invention provides a toner layer is formed by the regulating member for forming a thin layer of toner on the toner carrying member, and developing the toner by the toner carrying member for developing a non-contact or contact with the photosensitive member An image forming method for obtaining a toner image on a photoreceptor,
The friction coefficient μd of the toner carrier is 1.35 to 2.00,
The toner has toner particles containing at least a binder resin and a colorant, a toner for one-component development having at least an inorganic fine powder,
The present invention relates to an image forming method, wherein the toner has a friction coefficient μt of 0.06 to 0.35 in a state where a toner layer is formed on the toner carrier.
Claims (9)
前記トナー担持体の摩擦係数μｄが１．３５〜２．００であり、
前記トナーが、少なくとも結着樹脂及び着色剤を含有するトナー粒子と、少なくとも無機微粉体とを有する一成分現像用トナーであり、
前記トナー担持体上にトナー層を形成させた状態における、前記トナーの摩擦係数μｔが、０．０６〜０．３５であることを特徴とする画像形成方法。 The toner layer is formed by the regulating member for forming a thin layer of toner on the toner carrying member, the toner on a developing the photosensitive member the toner by the toner carrying member for developing a non-contact or contact with the photosensitive member An image forming method for obtaining an image, comprising:
The friction coefficient μd of the toner carrier is 1.35 to 2.00,
The toner has toner particles containing at least a binder resin and a colorant, a toner for one-component development having at least an inorganic fine powder,
An image forming method, wherein the toner has a friction coefficient μt of 0.06 to 0.35 in a state where a toner layer is formed on the toner carrier.
前記トナー粒子の個数平均粒径（Ｄ１）をＤｔ（μｍ）、前記脂肪酸金属塩の体積基準のメジアン径（Ｄ５０）をＤｆ（μｍ）としたとき、
０．０２２≦Ｄｆ／Ｄｔ≦０．２７０
３．００≦Ｄｔ≦８．００
０．１５≦Ｄｆ≦１．００
の関係を満たすことを特徴とする請求項１または２に記載の画像形成方法。 The toner particles further contain a fatty acid metal salt , and the fatty acid metal salt adheres to the surface of the toner particles ;
When the number average particle diameter (D1) of the toner particles is Dt (μm) and the volume-based median diameter (D50) of the fatty acid metal salt is Df (μm),
0.022 ≦ Df / Dt ≦ 0.270
3.00 ≦ Dt ≦ 8.00
0.15 ≦ Df ≦ 1.00
The image forming method according to claim 1, wherein the relationship is satisfied.
前記トナーは、トナー中における脂肪酸金属塩の遊離率が１．０％以上３０．０％以下であることを特徴とする請求項３に記載の画像形成方法。
スパン値Ｂ＝（Ｄ９５ｓ−Ｄ５ｓ）／Ｄ５０ｓ （１）
Ｄ５ｓ：脂肪酸金属塩の体積基準における５％積算径
Ｄ５０ｓ：脂肪酸金属塩の体積基準におけるメジアン径
Ｄ９５ｓ：脂肪酸金属塩の体積基準における９５％積算径 The fatty acid metal salt has a Df of 0.15 ≦ Df ≦ 0.75, a span value B defined by the following formula (1) of 1.75 or less,
4. The image forming method according to claim 3, wherein the toner has a liberation rate of the fatty acid metal salt in the toner of 1.0% or more and 30.0% or less.
Span value B = (D95s−D5s) / D50s (1)
D5s: 5% cumulative diameter based on volume of fatty acid metal salt D50s: Median diameter based on volume of fatty acid metal salt D95s: 95% cumulative diameter based on volume of fatty acid metal salt
Ｄ１＋０．２０≧Ｄ≧Ｄ１−０．２０（Ｄ１：トナーの個数平均粒径）
０．４０≦Ｘ１００／Ｄ≦０．８０
０．０２０≦Ｘ２０／Ｄ≦０．０６０
を満たすことを特徴とする請求項１〜５のいずれか１項に記載の画像形成方法。 The toner has a particle size of D (μm) to be measured in a minute compression test for the toner, and a load of 9.8 × 10 −4 N / sec at a load speed of 9.8 × 10 −5 N / sec. D1 + 0.20 ≧ D ≧ D1−0.20 where the maximum displacement when X is loaded is X 100 (μm) and the displacement when the load is 2.0 × 10 −4 N is X 20 (μm). D1: Number average particle diameter of toner)
0.40 ≦ X 100 /D≦0.80
0.020 ≦ X 20 /D≦0.060
The image forming method according to any one of claims 1 to 5, characterized in that meet.
前記表面層が樹脂Ａ及びＢを含有し、
前記樹脂Ａが、ポリプロピレングリコールまたはポリテトラメチレングリコール骨格からなる熱硬化性ポリエーテルポリウレタン樹脂であり、
前記樹脂Ｂが、Ｔｇが３０℃以上７０℃以下、重量平均分子量が３０，０００以上１００，０００以下であるアクリル樹脂であることを特徴とする請求項１〜８のいずれか１項に記載の画像形成方法。 The toner carrier has an elastic layer and a surface layer around the core;
The surface layer contains resins A and B;
The resin A is a thermosetting polyether polyurethane resin comprising a polypropylene glycol or polytetramethylene glycol skeleton,
The resin B is, Tg is 30 ° C. or higher 70 ° C. or less, according to any one of claims 1 to 8, weight average molecular weight is characterized that it is an acrylic resin is 30,000 to 100,000 Image forming method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008313215A JP5517442B2 (en) | 2008-12-09 | 2008-12-09 | Image forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008313215A JP5517442B2 (en) | 2008-12-09 | 2008-12-09 | Image forming method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010139547A JP2010139547A (en) | 2010-06-24 |
| JP2010139547A5 true JP2010139547A5 (en) | 2012-02-02 |
| JP5517442B2 JP5517442B2 (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008313215A Active JP5517442B2 (en) | 2008-12-09 | 2008-12-09 | Image forming method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5517442B2 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5658064B2 (en) * | 2011-03-15 | 2015-01-21 | 花王株式会社 | Binder resin for toner |
| JP5836702B2 (en) * | 2011-08-25 | 2015-12-24 | キヤノン株式会社 | Development device |
| JP2013156430A (en) * | 2012-01-30 | 2013-08-15 | Ricoh Co Ltd | Toner, and image forming apparatus |
| JP5915207B2 (en) * | 2012-01-31 | 2016-05-11 | 株式会社リコー | Image forming apparatus and image forming method |
| US9026013B2 (en) * | 2012-12-21 | 2015-05-05 | Xerox Corporation | System and apparatus for toner charging using charge/metering blade having an adjustable nip |
| JP6205782B2 (en) * | 2013-03-27 | 2017-10-04 | 三菱ケミカル株式会社 | Image forming apparatus |
| JP6173137B2 (en) * | 2013-09-05 | 2017-08-02 | キヤノン株式会社 | toner |
| JP2017076004A (en) * | 2015-10-13 | 2017-04-20 | キヤノン株式会社 | Production method of toner |
| JP6288039B2 (en) * | 2015-10-29 | 2018-03-07 | コニカミノルタ株式会社 | Toner for electrostatic latent image development |
| JP2019200330A (en) * | 2018-05-17 | 2019-11-21 | 花王株式会社 | Toner for electrostatic charge image development |
| JP2020148839A (en) * | 2019-03-11 | 2020-09-17 | キヤノン株式会社 | Image forming apparatus |
| WO2023157792A1 (en) * | 2022-02-16 | 2023-08-24 | 日本ゼオン株式会社 | Toner |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06214452A (en) * | 1993-01-14 | 1994-08-05 | Toshiba Corp | Developing device and image forming device |
| JPH07114269A (en) * | 1993-10-14 | 1995-05-02 | Seiko Epson Corp | Developing device |
| JP3724180B2 (en) * | 1998-03-30 | 2005-12-07 | 東海ゴム工業株式会社 | Conductive elastic roll |
| JP2001005260A (en) * | 1999-06-18 | 2001-01-12 | Bando Chem Ind Ltd | Electrophotographic conductive elastic member surface layer and electrophotographic roller and belt using it |
| JP2003207921A (en) * | 2002-01-16 | 2003-07-25 | Canon Inc | Non-magnetic one-component toner and process cartridge |
| JP4034764B2 (en) * | 2003-07-14 | 2008-01-16 | 住友ゴム工業株式会社 | Conductive rubber roller |
| JP5160726B2 (en) * | 2004-12-10 | 2013-03-13 | 住友ゴム工業株式会社 | Conductive rubber roller |
| JP2007108622A (en) * | 2005-09-13 | 2007-04-26 | Ricoh Co Ltd | Toner and method for manufacturing same, and developer, toner container, process cartridge, image forming apparatus, and image forming method |
| JP5207682B2 (en) * | 2006-09-29 | 2013-06-12 | キヤノン株式会社 | Developing member and electrophotographic image forming apparatus |
| JP5074755B2 (en) * | 2006-12-13 | 2012-11-14 | キヤノン株式会社 | toner |
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