JP2016142758A5 - - Google Patents
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- JP2016142758A5 JP2016142758A5 JP2015016035A JP2015016035A JP2016142758A5 JP 2016142758 A5 JP2016142758 A5 JP 2016142758A5 JP 2015016035 A JP2015016035 A JP 2015016035A JP 2015016035 A JP2015016035 A JP 2015016035A JP 2016142758 A5 JP2016142758 A5 JP 2016142758A5
- Authority
- JP
- Japan
- Prior art keywords
- toner
- less
- fine particles
- particles
- organic
- 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.)
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- 239000002245 particle Substances 0.000 claims 9
- 239000010419 fine particle Substances 0.000 claims 8
- 229920001225 Polyester resin Polymers 0.000 claims 5
- 239000004645 polyester resin Substances 0.000 claims 5
- 239000011347 resin Substances 0.000 claims 4
- 229920005989 resin Polymers 0.000 claims 4
- 239000000654 additive Substances 0.000 claims 3
- 230000000996 additive Effects 0.000 claims 3
- 239000011230 binding agent Substances 0.000 claims 3
- 239000002131 composite material Substances 0.000 claims 3
- 239000011246 composite particle Substances 0.000 claims 2
- KLDXJTOLSGUMSJ-JGWLITMVSA-N Isosorbide Chemical group O[C@@H]1CO[C@@H]2[C@@H](O)CO[C@@H]21 KLDXJTOLSGUMSJ-JGWLITMVSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 239000011258 core-shell material Substances 0.000 claims 1
- 239000000178 monomer Substances 0.000 claims 1
- 229920005792 styrene-acrylic resin Polymers 0.000 claims 1
- 238000010557 suspension polymerization reaction Methods 0.000 claims 1
Claims (7)
該ポリエステル樹脂Ａの２５℃、１００００Ｈｚにおける誘電正接が、０．００７０以上０．０１４０以下であり、
該トナーが、前記結着樹脂１００．０質量部に対して１．０質量部以上２０．０質量部以下の該ポリエステル樹脂Ａを含有し、
該外添剤Ａが有機無機複合微粒子であり、
該有機無機複合微粒子は、有機樹脂粒子及び無機微粒子ａを含有し、該無機微粒子ａ由来の凸部が表面に形成されるように、該有機樹脂粒子の表面に無機微粒子ａが露出した粒子であり、
該有機無機複合微粒子の表面における無機微粒子ａの存在率が、２０％以上７０％以下であることを特徴とするトナー。 A toner having a core-shell structure toner particle having a core containing a binder resin and a shell containing a polyester resin A formed on the surface of the core, and an external additive A,
The dielectric loss tangent of the polyester resin A at 25 ° C. and 10,000 Hz is 0.0070 or more and 0.0140 or less,
The toner contains 1.0 to 20.0 parts by mass of the polyester resin A with respect to 100.0 parts by mass of the binder resin.
The external additive A is organic-inorganic composite fine particles,
The organic-inorganic composite fine particles are particles in which the inorganic fine particles a are exposed on the surface of the organic resin particles so that convex portions derived from the inorganic fine particles a are formed on the surface. Yes,
A toner characterized in that the abundance of inorganic fine particles a on the surface of the organic / inorganic composite fine particles is 20% or more and 70% or less.
ナー。 The toner according to claim 1, wherein the binder resin is a styrene acrylic resin.
該有機無機複合粒子の個数平均粒径（Ａ）が、５０ｎｍ以上４００ｎｍ以下である請求項１〜５のいずれか一項に記載のトナー。 The shape factor SF-2 when the organic-inorganic composite particles are measured at a magnification of 200,000 times is 103 or more and 120 or less,
Organic number average particle diameter of the inorganic composite particles (A) The toner according to any one of claims 1 to 5, at 50nm or more 400nm or less.
該無機微粒子ｂの個数平均粒径（Ｂ）が、５ｎｍ以上４０ｎｍ以下であり、
該個数平均粒径（Ａ）と該個数平均粒径（Ｂ）との比（Ａ／Ｂ）が、１．５以上１０．０以下である請求項６に記載のトナー。 The toner further has inorganic fine particles b as an external additive,
The number average particle diameter (B) of the inorganic fine particles b is 5 nm or more and 40 nm or less,
The toner according to claim 6 , wherein a ratio (A / B) of the number average particle diameter (A) to the number average particle diameter (B) is 1.5 or more and 10.0 or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015016035A JP6478662B2 (en) | 2015-01-29 | 2015-01-29 | Toner and toner production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015016035A JP6478662B2 (en) | 2015-01-29 | 2015-01-29 | Toner and toner production method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2016142758A JP2016142758A (en) | 2016-08-08 |
| JP2016142758A5 true JP2016142758A5 (en) | 2018-03-15 |
| JP6478662B2 JP6478662B2 (en) | 2019-03-06 |
Family
ID=56570295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015016035A Active JP6478662B2 (en) | 2015-01-29 | 2015-01-29 | Toner and toner production method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6478662B2 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110998458A (en) * | 2017-08-04 | 2020-04-10 | 佳能株式会社 | Toner and image forming apparatus |
| JP2019032365A (en) * | 2017-08-04 | 2019-02-28 | キヤノン株式会社 | toner |
| JP7091033B2 (en) * | 2017-08-04 | 2022-06-27 | キヤノン株式会社 | toner |
| JP2019215511A (en) * | 2018-06-11 | 2019-12-19 | キヤノン株式会社 | toner |
| DE102019132817B4 (en) * | 2018-12-05 | 2022-09-29 | Canon Kabushiki Kaisha | toner |
| JP7281043B2 (en) * | 2019-01-10 | 2023-05-25 | 京セラドキュメントソリューションズ株式会社 | toner |
| JP7475916B2 (en) * | 2020-03-24 | 2024-04-30 | キヤノン株式会社 | Toner and method for producing the same |
| JP2022166386A (en) | 2021-04-21 | 2022-11-02 | キヤノン株式会社 | Toner and method for manufacturing toner |
| WO2023282886A1 (en) * | 2021-07-06 | 2023-01-12 | Hewlett-Packard Development Company, L.P. | External additive for toner |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006251400A (en) * | 2005-03-10 | 2006-09-21 | Fuji Xerox Co Ltd | Image forming method and image forming apparatus |
| KR101296923B1 (en) * | 2005-03-18 | 2013-08-14 | 바텔리 메모리얼 인스티튜트 | Toner |
| JP4894876B2 (en) * | 2009-03-25 | 2012-03-14 | 富士ゼロックス株式会社 | Toner for developing electrostatic image, toner cartridge, process cartridge, and image forming apparatus |
| JP5539052B2 (en) * | 2010-06-16 | 2014-07-02 | キヤノン株式会社 | toner |
| JP2012073304A (en) * | 2010-09-28 | 2012-04-12 | Tomoegawa Paper Co Ltd | Electrophotographic toner |
| JP2013092748A (en) * | 2011-10-26 | 2013-05-16 | Cabot Corp | Toner additives comprising composite particles |
| JP6107656B2 (en) * | 2012-06-13 | 2017-04-05 | 三菱レイヨン株式会社 | Polyester resin for toner, method for producing the same, and toner |
| EP2837970B8 (en) * | 2013-07-31 | 2018-03-28 | Canon Kabushiki Kaisha | Toner |
| JP6410609B2 (en) * | 2015-01-07 | 2018-10-24 | キヤノン株式会社 | toner |
| JP6541356B2 (en) * | 2015-01-19 | 2019-07-10 | キヤノン株式会社 | toner |
-
2015
- 2015-01-29 JP JP2015016035A patent/JP6478662B2/en active Active
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