JP2011150020A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2011150020A5 JP2011150020A5 JP2010009365A JP2010009365A JP2011150020A5 JP 2011150020 A5 JP2011150020 A5 JP 2011150020A5 JP 2010009365 A JP2010009365 A JP 2010009365A JP 2010009365 A JP2010009365 A JP 2010009365A JP 2011150020 A5 JP2011150020 A5 JP 2011150020A5
- Authority
- JP
- Japan
- Prior art keywords
- toner
- image
- toner particles
- developing
- white
- 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.)
- Granted
Links
- 239000002245 particle Substances 0.000 claims description 50
- 239000003086 colorant Substances 0.000 claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 1
Description
上記課題は、以下の手段により解決される。即ち、
請求項１に係る発明は、
白色の着色剤を含む第１トナー粒子と、
前記第１トナー粒子よりも少ない着色剤量で着色剤を含む又は着色剤を含まない第２トナー粒子であって、含有量が全トナー粒子に対して１個数％以上３０個数％以下である第２トナー粒子と、
を有する静電荷像現像用白色トナー。
The above problem is solved by the following means. That is,
The invention according to claim 1
First toner particles comprising a white colorant;
A second toner particle containing a colorant in a smaller colorant amount than the first toner particles or containing no colorant , wherein the content is 1% by number to 30% by number with respect to all toner particles. Two toner particles ;
A white toner for developing an electrostatic charge image.
請求項２に係る発明は、
前記第１トナー粒子と前記第２トナー粒子とが、同一種類の結着樹脂を含む請求項１に記載の静電荷像現像用白色トナー。
The invention according to claim 2
The white toner for developing electrostatic images according to claim 1, wherein the first toner particles and the second toner particles contain the same type of binder resin.
請求項３に係る発明は、
前記第１トナー粒子と前記第２トナー粒子とが離型剤を含み、且つ前記第２トナー粒子の離型剤量が前記第１トナー粒子の離型剤量よりも多い請求項１又は２に記載の静電荷像現像用白色トナー。
The invention according to claim 3
The includes a first toner particles and the second toner particles a release agent, and to claim 1 or 2 larger than the release agent of the release agent amount the first toner particles of the second toner particles 2. A white toner for developing an electrostatic charge image.
請求項４に係る発明は、
前記第１トナー粒子の体積平均粒径をＤ５０ｗ、前記第２トナー粒子の体積平均粒径をＤ５０ｃとしたとき、Ｄ５０ｗ＝Ｄ５０ｃ±０．５μｍの関係を満たす請求項１〜３のいずれか１項に記載の静電荷像現像用白色トナー。
The invention according to claim 4
D50w the volume average particle diameter of the first toner particles, when the volume average particle diameter of the second toner particles and D50c, any one of claim 1 to 3 satisfying the relation of D50w = D50c ± 0.5μm 2. A white toner for developing electrostatic images as described in 1.
請求項５に係る発明は、
請求項１〜４のいずれか１項に記載の静電荷像現像用白色トナーを少なくとも含む静電荷像現像剤。
The invention according to claim 5
An electrostatic charge image developer comprising at least the white toner for developing an electrostatic charge image according to any one of claims 1 to 4 .
請求項６に係る発明は、
請求項１〜４のいずれか１項に記載の静電荷像現像用白色トナーを収納し、
画像形成装置に着脱されるトナーカートリッジ。
The invention according to claim 6
Containing the white toner for developing an electrostatic charge image according to any one of claims 1 to 4 ,
A toner cartridge to be attached to and detached from the image forming apparatus.
請求項７に係る発明は、
請求項５に記載の静電荷像現像剤を収納し、潜像保持体上に形成された静電潜像を前記静電荷像現像剤により現像してトナー像を形成する現像手段を備え、
画像形成装置に着脱されるプロセスカートリッジ。
The invention according to claim 7 provides:
A developing unit that stores the electrostatic image developer according to claim 5 and that develops an electrostatic latent image formed on the latent image holding member with the electrostatic image developer to form a toner image,
A process cartridge attached to and detached from the image forming apparatus.
請求項８に係る発明は、
請求項１〜４のいずれか１項に記載の静電荷像現像用白色トナーによる白色トナー画像を、被転写体に形成する第１画像形成手段と、
静電荷像現像用カラートナーによるカラー画像を、前記被転写体に形成する第２画像形成手段と、
を備える画像形成装置。
The invention according to claim 8 provides:
A first image forming unit that forms a white toner image by the white toner for developing an electrostatic charge image according to any one of claims 1 to 4 on a transfer target;
A second image forming means for forming a color image with a color toner for developing an electrostatic image on the transfer member;
An image forming apparatus comprising:
請求項１に係る発明によれば、第１トナー粒子よりも少ない着色剤量で着色剤を含む又は着色剤を含まない第２トナー粒子を有さない場合に比べ、折り曲げ強度が高い白色トナー画像が得られる。
請求項１に係る発明によれば、第２トナー粒子の含有量が全トナー粒子に対して上記範囲外に比べ、白色度及び隠蔽性の高い白色トナー画像が得られる。
請求項２に係る発明によれば、第１トナー粒子と第２トナー粒子とが同一種類の結着樹脂を含まない場合に比べ、折り曲げ強度が高い白色トナー画像が得られる。
請求項３に係る発明によれば、第２トナー粒子の離型剤量が第１トナー粒子の離型剤量よりも少ない場合に比べ、摺擦性の高い白色トナー画像が得られる。
請求項４に係る発明によれば、第１トナー粒子及び第２トナー粒子の体積平均粒径の関係が上記関係を満たさない場合に比べ、折り曲げ強度が高い白色トナー画像が得られる。
請求項５、６、７、８に係る発明によれば、第１トナー粒子よりも少ない着色剤量で着色剤を含む又は着色剤を含まない第２トナー粒子を有さない静電荷像現像用白色トナーを適用した場合に比べ、曲げ強度が高い白色トナー画像が得られる。
According to the first aspect of the present invention, the white toner image has a higher bending strength than the case where the second toner particles containing the colorant or containing no colorant are contained in a smaller amount of the colorant than the first toner particles. Is obtained.
According to the first aspect of the invention, it is possible to obtain a white toner image having a higher whiteness and concealment than the content of the second toner particles out of the above range with respect to all toner particles.
According to the second aspect of the present invention, a white toner image having a higher bending strength can be obtained than when the first toner particles and the second toner particles do not contain the same type of binder resin.
According to the third aspect of the present invention, a white toner image having a higher rubbing property can be obtained than when the amount of the release agent of the second toner particles is smaller than the amount of the release agent of the first toner particles.
According to the fourth aspect of the invention, a white toner image having a high bending strength can be obtained as compared with the case where the relationship between the volume average particle diameters of the first toner particles and the second toner particles does not satisfy the above relationship.
According to the inventions according to claims 5 , 6 , 7, and 8 , for developing an electrostatic charge image that has a colorant amount smaller than that of the first toner particles and that contains no colorant or no second toner particles. A white toner image having a higher bending strength can be obtained than when white toner is applied.
（静電荷像現像用白色トナー）
本実施形態に係る静電荷像現像用白色トナー（以下、単に「白色トナー」と称する）は、白色の着色剤を含む第１トナー粒子（以下、便宜上、白色トナー粒子と称する）と、第１トナー粒子よりも少ない着色剤量で着色剤を含む又は着色剤を含まない第２トナー粒子（以下、便宜上、透明トナー粒子と称する）と、を含んで構成される。
但し、本実施形態に係る白色トナーでは、第２トナー粒子の含有量は、全トナー粒子に対して１個数％以上３０個数％以下である。
(White toner for developing electrostatic images)
The white toner for developing an electrostatic charge image (hereinafter simply referred to as “white toner”) according to the present embodiment includes a first toner particle containing a white colorant (hereinafter referred to as white toner particle for convenience) and a first toner. And a second toner particle containing a colorant or containing no colorant (hereinafter referred to as transparent toner particles for the sake of convenience) in a smaller amount of colorant than the toner particles.
However, in the white toner according to the present embodiment, the content of the second toner particles is 1% by number or more and 30% by number or less with respect to all the toner particles.
以下、実施例及び比較例を挙げ、本実施形態をより具体的に詳細に説明するが、本実施形態はこれらの実施例に何ら限定されるものではない。但し、実施例６及び９は、参考例に該当する。なお、「部」とは、特に断りがない限り、「質量部」を意味する。 Hereinafter, although an Example and a comparative example are given and this embodiment is described in detail in detail, this embodiment is not limited to these Examples at all. However, Examples 6 and 9 correspond to reference examples. The “part” means “part by mass” unless otherwise specified.
Claims (8)
前記第１トナー粒子よりも少ない着色剤量で着色剤を含む又は着色剤を含まない第２トナー粒子であって、含有量が全トナー粒子に対して１個数％以上３０個数％以下である第２トナー粒子と、
を有する静電荷像現像用白色トナー。 First toner particles comprising a white colorant;
A second toner particle containing a colorant in a smaller colorant amount than the first toner particles or containing no colorant , wherein the content is 1% by number to 30% by number with respect to all toner particles. Two toner particles ;
A white toner for developing an electrostatic charge image.
画像形成装置に着脱されるトナーカートリッジ。 Containing the white toner for developing an electrostatic charge image according to any one of claims 1 to 4 ,
A toner cartridge to be attached to and detached from the image forming apparatus.
画像形成装置に着脱されるプロセスカートリッジ。 A developing unit that stores the electrostatic image developer according to claim 5 and that develops an electrostatic latent image formed on the latent image holding member with the electrostatic image developer to form a toner image,
A process cartridge attached to and detached from the image forming apparatus.
静電荷像現像用カラートナーによるカラー画像を、前記被転写体に形成する第２画像形成手段と、
を備える画像形成装置。 A first image forming unit that forms a white toner image by the white toner for developing an electrostatic charge image according to any one of claims 1 to 4 on a transfer target;
A second image forming means for forming a color image with a color toner for developing an electrostatic image on the transfer member;
An image forming apparatus comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010009365A JP5434620B2 (en) | 2010-01-19 | 2010-01-19 | White toner for developing electrostatic image, electrostatic image developer, toner cartridge, process cartridge, and image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010009365A JP5434620B2 (en) | 2010-01-19 | 2010-01-19 | White toner for developing electrostatic image, electrostatic image developer, toner cartridge, process cartridge, and image forming apparatus |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2011150020A JP2011150020A (en) | 2011-08-04 |
| JP2011150020A5 true JP2011150020A5 (en) | 2013-03-07 |
| JP5434620B2 JP5434620B2 (en) | 2014-03-05 |
Family
ID=44537087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010009365A Expired - Fee Related JP5434620B2 (en) | 2010-01-19 | 2010-01-19 | White toner for developing electrostatic image, electrostatic image developer, toner cartridge, process cartridge, and image forming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5434620B2 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6260808B2 (en) * | 2012-06-11 | 2018-01-17 | 株式会社リコー | White toner for developing electrostatic image and method for producing the same, developer using the white toner, and image forming apparatus |
| WO2014077171A1 (en) * | 2012-11-16 | 2014-05-22 | 富士フイルム株式会社 | White photosensitive resin composition, white cured film, white pattern, and method for producing white pattern |
| JP6167869B2 (en) * | 2013-11-15 | 2017-07-26 | 富士ゼロックス株式会社 | Electrostatic image developer, process cartridge, image forming method, and image forming apparatus |
| JP6676909B2 (en) * | 2015-09-28 | 2020-04-08 | 富士ゼロックス株式会社 | White toner, white toner set, colored toner set, developer, cartridge, image forming method, and image forming apparatus |
| JP2017120323A (en) * | 2015-12-28 | 2017-07-06 | 富士ゼロックス株式会社 | Toner for electrostatic charge image development, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method |
| JP6872113B2 (en) * | 2016-12-08 | 2021-05-19 | 富士フイルムビジネスイノベーション株式会社 | Toner set, developer set, toner cartridge set, image forming apparatus and image forming method |
| JP7222808B2 (en) * | 2019-05-20 | 2023-02-15 | キヤノン株式会社 | white toner |
| JP7364498B2 (en) * | 2020-03-04 | 2023-10-18 | シャープ株式会社 | Two-component developer and its manufacturing method |
| JP7004054B2 (en) * | 2020-12-04 | 2022-02-10 | 富士フイルムビジネスイノベーション株式会社 | White toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming device and image forming method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05107798A (en) * | 1991-10-18 | 1993-04-30 | Minolta Camera Co Ltd | White toner for developing electrostatic charge image |
| JPH10260554A (en) * | 1997-03-18 | 1998-09-29 | Kao Corp | White toner and method for producing the same |
| JP3351347B2 (en) * | 1997-12-19 | 2002-11-25 | 富士ゼロックス株式会社 | Image forming method |
| JP2002108021A (en) * | 2000-09-28 | 2002-04-10 | Konica Corp | White toner and image forming apparatus |
| JP4525506B2 (en) * | 2005-07-25 | 2010-08-18 | 富士ゼロックス株式会社 | Toner for developing electrostatic image, developer for developing electrostatic image, and image forming method |
| JP2008197592A (en) * | 2007-02-16 | 2008-08-28 | Ricoh Co Ltd | Developing device, process cartridge, and image forming apparatus |
-
2010
- 2010-01-19 JP JP2010009365A patent/JP5434620B2/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2011150020A5 (en) | ||
| JP2012154957A5 (en) | ||
| JP2011203690A5 (en) | ||
| JP2015232706A5 (en) | Toner and toner production method | |
| JP2011053714A5 (en) | ||
| JP2015143822A5 (en) | ||
| EP3173871A3 (en) | Developing member, process cartridge and electrophotographic image forming apparatus | |
| JP2008209489A5 (en) | ||
| JP2015143831A5 (en) | ||
| JP2017102396A5 (en) | ||
| JP2009217053A5 (en) | ||
| RU2016133567A (en) | ELECTROPHOTOGRAPHY TONER, IMAGE FORMING METHOD AND TECHNOLOGICAL CARTRIDGE | |
| EP2413197A3 (en) | Developing device, image forming method and apparatus, and process cartridge | |
| WO2008146881A1 (en) | Positively chargeable toner for electrical static image development | |
| JP2011128596A5 (en) | ||
| JP2016142760A5 (en) | ||
| JP2009139950A5 (en) | ||
| JPWO2017057068A1 (en) | Toner for electrostatic image development | |
| JP2009020519A5 (en) | ||
| JP2017111436A5 (en) | ||
| JP2013242436A5 (en) | ||
| JP2014119604A (en) | Toner for electrostatic charge image development, electrostatic charge image developer, toner cartridge, developing device, image forming apparatus, and image forming method | |
| JP2007183592A5 (en) | ||
| JP2019184795A (en) | Toner for electrostatic charge image development and two-component developer for electrostatic charge image development | |
| JP2014182175A (en) | Toner for electrostatic charge image development, manufacturing method of the same, and image forming method |