JP2005292683A5 - - Google Patents

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Publication number
JP2005292683A5
JP2005292683A5 JP2004110846A JP2004110846A JP2005292683A5 JP 2005292683 A5 JP2005292683 A5 JP 2005292683A5 JP 2004110846 A JP2004110846 A JP 2004110846A JP 2004110846 A JP2004110846 A JP 2004110846A JP 2005292683 A5 JP2005292683 A5 JP 2005292683A5
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JP
Japan
Prior art keywords
toner
particles
organic liquid
resin particles
resin
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JP2004110846A
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Japanese (ja)
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JP4343754B2 (en
JP2005292683A (en
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Priority to JP2004110846A priority Critical patent/JP4343754B2/en
Priority claimed from JP2004110846A external-priority patent/JP4343754B2/en
Publication of JP2005292683A publication Critical patent/JP2005292683A/en
Publication of JP2005292683A5 publication Critical patent/JP2005292683A5/ja
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Publication of JP4343754B2 publication Critical patent/JP4343754B2/en
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Claims (7)

着色剤と結着樹脂とを少なくとも含有するトナー粒子を有するトナーにおいて、前記トナー粒子は１２０℃における溶融粘度が１０４Ｐ・ｓ以下であり、動的粘弾性測定から得られる損失正接ｔａｎδが少なくとも１００〜１４０℃に極大値を有し、ｔａｎδ（１００℃）≧１．０かつｔａｎδ（１４０℃）≧１．０であり、前記トナー粒子中に個数平均粒径１０〜３０ｎｍの樹脂粒子が分散されていることを特徴とするトナー。 In the toner having toner particles containing at least a colorant and a binder resin, wherein the toner particles is less than the 10 4 P · s melt viscosity at 120 ° C., the loss tangent tanδ obtained from the dynamic viscoelasticity measurement of at least Resin particles having a maximum value at 100 to 140 ° C., tan δ (100 ° C.) ≧ 1.0 and tan δ (140 ° C.) ≧ 1.0, and having a number average particle diameter of 10 to 30 nm are dispersed in the toner particles. Toner. 前記トナー粒子は、有機液体及び該有機液体に不溶な樹脂粒子を少なくとも含有する組成物を水性媒体中で懸濁する工程を経て得られるトナー粒子であり、前記トナーは平均円形度が０．９６０以上であることを特徴とする請求項１に記載のトナー。 The toner particles are toner particles obtained by suspending a composition containing at least an organic liquid and resin particles insoluble in the organic liquid in an aqueous medium, and the toner has an average circularity of 0.960. The toner according to claim 1, which is as described above. 前記有機液体は重合性単量体を含有することを特徴とする請求項２に記載のトナー。 The toner according to claim 2 , wherein the organic liquid contains a polymerizable monomer. 前記樹脂粒子のトナー粒子中の含有指数が３０〜６０であることを特徴とする請求項１〜３のいずれか一項に記載のトナー。 The toner according to claim 1, wherein a content index of the resin particles in the toner particles is 30 to 60. 5. 前記樹脂粒子は架橋樹脂粒子であることを特徴とする請求項１〜４のいずれか一項に記載のトナー。 The toner according to claim 1, wherein the resin particles are crosslinked resin particles. 請求項１〜５のいずれか一項に記載のトナーの製造方法であって、
重合性単量体を含有する有機液体、該有機液体に不溶な樹脂粒子及び着色剤を少なくとも含有する組成物を水性媒体中で分散造粒し、前記重合性単量体を重合する懸濁重合工程、該懸濁重合工程で得られた重合生成物から、個数平均粒径１０〜３０ｎｍの樹脂粒子が分散されたトナー粒子を得る工程を含むトナーの製造方法。 A method for producing the toner according to any one of claims 1 to 5,
Suspension polymerization in which an organic liquid containing a polymerizable monomer, a composition containing at least resin particles and a colorant insoluble in the organic liquid are dispersed and granulated in an aqueous medium, and the polymerizable monomer is polymerized. And a method for producing a toner comprising a step of obtaining toner particles in which resin particles having a number average particle size of 10 to 30 nm are dispersed from a polymerization product obtained in the suspension polymerization step. 請求項１〜５のいずれか一項に記載のトナーの製造方法であって、
有機液体、該有機液体に不溶な樹脂粒子、結着樹脂、着色剤を少なくとも含有する組成物を水性媒体中で分散造粒させる溶解懸濁工程、該溶解懸濁工程で得られた造粒物から、個数平均粒径１０〜３０ｎｍの樹脂粒子が分散されたトナー粒子を得る工程を含むトナーの製造方法。
 A method for producing the toner according to any one of claims 1 to 5,
Dissolving and suspending step of dispersing and granulating an organic liquid, a resin particle insoluble in the organic liquid, a binder resin and a colorant in an aqueous medium, and the granulated product obtained by the dissolving and suspending step A method for producing a toner comprising a step of obtaining toner particles in which resin particles having a number average particle size of 10 to 30 nm are dispersed.
JP2004110846A 2004-04-05 2004-04-05 toner Expired - Fee Related JP4343754B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004110846A JP4343754B2 (en) 2004-04-05 2004-04-05 toner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004110846A JP4343754B2 (en) 2004-04-05 2004-04-05 toner

Publications (3)

Publication Number Publication Date
JP2005292683A JP2005292683A (en) 2005-10-20
JP2005292683A5 true JP2005292683A5 (en) 2007-05-17
JP4343754B2 JP4343754B2 (en) 2009-10-14

Family

ID=35325638

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004110846A Expired - Fee Related JP4343754B2 (en) 2004-04-05 2004-04-05 toner

Country Status (1)

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JP (1) JP4343754B2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4920973B2 (en) * 2006-01-06 2012-04-18 キヤノン株式会社 toner
JP4075949B2 (en) 2006-07-28 2008-04-16 富士ゼロックス株式会社 Toner for electrostatic charge development, developer for electrostatic charge development, cartridge, and image forming apparatus
JP4819646B2 (en) * 2006-10-20 2011-11-24 キヤノン株式会社 Non-magnetic toner
JP5219484B2 (en) * 2007-12-11 2013-06-26 キヤノン株式会社 Two-component developer and image forming method using the two-component developer
JP5344552B2 (en) * 2008-09-03 2013-11-20 キヤノン株式会社 Toner and toner production method
JP6135412B2 (en) * 2013-09-06 2017-05-31 富士ゼロックス株式会社 Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method
JP7123686B2 (en) * 2018-08-02 2022-08-23 キヤノン株式会社 toner
JP7395863B2 (en) * 2019-07-17 2023-12-12 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, process cartridge set, printed matter manufacturing device, and printed matter manufacturing method

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