JP2007279400A5 - - Google Patents

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Publication number
JP2007279400A5
JP2007279400A5 JP2006105786A JP2006105786A JP2007279400A5 JP 2007279400 A5 JP2007279400 A5 JP 2007279400A5 JP 2006105786 A JP2006105786 A JP 2006105786A JP 2006105786 A JP2006105786 A JP 2006105786A JP 2007279400 A5 JP2007279400 A5 JP 2007279400A5
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JP
Japan
Prior art keywords
toner
particles
rvm
average
binder 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.)
Pending
Application number
JP2006105786A
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Japanese (ja)
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JP2007279400A (en
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Publication date
Application filed filed Critical
Priority to JP2006105786A priority Critical patent/JP2007279400A/en
Priority claimed from JP2006105786A external-priority patent/JP2007279400A/en
Publication of JP2007279400A publication Critical patent/JP2007279400A/en
Publication of JP2007279400A5 publication Critical patent/JP2007279400A5/ja
Pending legal-status Critical Current

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Claims (4)

少なくとも結着樹脂、着色剤とを含有するトナー粒子と無機微粒子を有するトナーにおいて、
前記無機微粒子の個数平均粒径が８０ｎｍ乃至１５０ｎｍであり、
走査型プローブ顕微鏡で測定される前記トナー粒子の平均谷深さをＲｖｍ、Ｘ方向の凹凸平均間隔をＷとしたとき、該Ｒｖｍが１２０ｎｍ乃至２００ｎｍであり、
前記Ｒｖｍ、Ｗとの関係が式（１）
０．１５＜Ｒｖｍ／Ｗ＜１．０ （１）
を満足することを特徴とするトナー。 In a toner having inorganic particles and toner particles containing at least a binder resin and a colorant,
Number average particle diameter of the inorganic fine particles is 80nm to 150n m,
When Rvm the average valley depth of the toner particles as measured with a scanning probe microscope, the X direction average irregularity interval was is W, the Rvm is 120nm to 200 nm,
The relationship between Rvm and W is the formula (1)
0.15 <Rvm / W <1.0 (1)
A toner characterized by satisfying 前記無機微粒子は、ゾルゲル法により得られる球状の疎水性シリカであることを特徴とする請求項１に記載のトナー。   The toner according to claim 1, wherein the inorganic fine particles are spherical hydrophobic silica obtained by a sol-gel method. 前記結着樹脂は、少なくともポリエステルユニットを有することを特徴とする請求項１又は２に記載のトナー。   The toner according to claim 1, wherein the binder resin includes at least a polyester unit. 前記トナーは、２μｍ以上の粒子における平均円形度が０．９４５乃至０．９９０であることを特徴とする請求項１乃至３のいずれかに記載のトナー。   4. The toner according to claim 1, wherein the toner has an average circularity of 0.945 to 0.990 for particles of 2 μm or more.
JP2006105786A 2006-04-07 2006-04-07 Toner and image forming method Pending JP2007279400A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006105786A JP2007279400A (en) 2006-04-07 2006-04-07 Toner and image forming method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006105786A JP2007279400A (en) 2006-04-07 2006-04-07 Toner and image forming method

Publications (2)

Publication Number Publication Date
JP2007279400A JP2007279400A (en) 2007-10-25
JP2007279400A5 true JP2007279400A5 (en) 2009-05-21

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ID=38680910

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006105786A Pending JP2007279400A (en) 2006-04-07 2006-04-07 Toner and image forming method

Country Status (1)

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JP (1) JP2007279400A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5609187B2 (en) 2010-03-18 2014-10-22 富士ゼロックス株式会社 Toner for developing electrostatic image, electrostatic image developer, toner cartridge, process cartridge, and image forming apparatus
WO2013018704A1 (en) * 2011-07-29 2013-02-07 電気化学工業株式会社 Fine spherical silica powder and external toner additive for developing electrostatic images using fine spherical silica powder
JP6217480B2 (en) * 2014-03-18 2017-10-25 富士ゼロックス株式会社 Non-magnetic one-component developer, process cartridge, image forming apparatus, and image forming method
US10061216B2 (en) 2016-02-10 2018-08-28 Fuji Xerox Co., Ltd. Electrostatic image developer and toner, electrostatic image developer and toner cartridge

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3405036B2 (en) * 1996-01-19 2003-05-12 富士ゼロックス株式会社 Electrostatic toner and method for producing the same
JP3772928B2 (en) * 1996-12-26 2006-05-10 セイコーエプソン株式会社 Color image forming apparatus
JP2004085850A (en) * 2002-08-27 2004-03-18 Ricoh Co Ltd Electrostatic charge image developing toner
JP4262160B2 (en) * 2003-08-01 2009-05-13 キヤノン株式会社 toner
JP4498078B2 (en) * 2003-09-12 2010-07-07 キヤノン株式会社 Color toner and full color image forming method using the color toner
JP4244828B2 (en) * 2004-03-11 2009-03-25 富士ゼロックス株式会社 Electrostatic latent image developing toner, electrostatic latent image developer, and image forming method
JP2006030662A (en) * 2004-07-16 2006-02-02 Ricoh Co Ltd Toner, developer, and image forming apparatus and process cartridge using the same

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