JP2006308642A5 - - Google Patents

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JP2006308642A5
JP2006308642A5 JP2005127597A JP2005127597A JP2006308642A5 JP 2006308642 A5 JP2006308642 A5 JP 2006308642A5 JP 2005127597 A JP2005127597 A JP 2005127597A JP 2005127597 A JP2005127597 A JP 2005127597A JP 2006308642 A5 JP2006308642 A5 JP 2006308642A5
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Japan
Prior art keywords
fine particles
toner
resin
toner according
standing
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JP2005127597A
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JP2006308642A (en
JP4522312B2 (en
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Priority claimed from JP2005127597A external-priority patent/JP4522312B2/en
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Publication of JP2006308642A5 publication Critical patent/JP2006308642A5/ja
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Claims (12)

少なくとも結着樹脂、着色剤を含むトナー粒子と無機微粒子を有するトナーにおいて、
該無機微粒子は、ゾルゲル法によって形成された微粒子であり、該無機微粒子の高温高湿環境放置;30℃/80%環境下で72時間放置後の含水分率MHHと常温低湿環境放置;23℃/5%環境下で72時間放置後の含水分率MNLの比MHH/MNLが1.0〜2.0であり、常温低湿環境放置後の含水分率MNLが0.1%以上3.0%未満であり、個数平均粒径が80〜200nmであることを特徴とするトナー。
In the toner having toner particles and inorganic fine particles containing at least a binder resin and a colorant,
Inorganic fine particles are fine particles formed by the sol-gel method, high temperature and high humidity environment left of the inorganic particulate; 30 ° C. / under 80% environment water content after standing 72 hours M HH and normal temperature low humidity environment left; 23 The ratio M HH / M NL of the moisture content M NL after standing for 72 hours in a ℃ / 5% environment is 1.0 to 2.0, and the moisture content M NL after standing at room temperature and low humidity is 0.1. % Or more and less than 3.0%, and the number average particle diameter is 80 to 200 nm.
該無機微粒子の高温高湿環境放置後の含水分HH温低湿環境放置後の含水分率MNLの比MHH/MNLが1.0〜1.8であることを特徴とする請求項1に記載のトナー。 And wherein the ratio M HH / M NL moisture fraction M NL of high temperature and high humidity water content after environmental standing M HH and after standing normal temperature low humidity environment of the inorganic fine particles is 1.0 to 1.8 The toner according to claim 1. 該無機微粒子は、高温高湿環境放置後の含水分率MHHが0.1%以上3.0%未満であることを特徴とする請求項1または2に記載のトナー。 The toner according to claim 1 or 2, wherein the inorganic fine particles have a moisture content MHH of 0.1% or more and less than 3.0% after being left in a high-temperature and high-humidity environment. 該無機微粒子は、温低湿環境放置後の含水分率MNLが0.1以上3.0%未満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。 Inorganic fine particles, the toner according to any one of claims 1 to 3, wherein the water content M NL after standing normal temperature low humidity environment is less than 0.1% or more to 3.0%. 該微粒子は、ゾルゲル法によって形成されたシリカ微粒子またはチタン微粒子であることを特徴とする請求項1乃至4のいずれかに記載のトナー。   The toner according to claim 1, wherein the fine particles are silica fine particles or titanium fine particles formed by a sol-gel method. 該微粒子は、シリル化剤、シリコーンオイル、シロキサン類、金属アルコキシド、脂肪酸及び脂肪酸金属塩からなる群から選ばれる少なくとも1種類の処理剤により処理されていることを特徴とする請求項1乃至5のいずれかに記載のトナー。   6. The fine particles according to claim 1, wherein the fine particles are treated with at least one treatment agent selected from the group consisting of silylating agents, silicone oils, siloxanes, metal alkoxides, fatty acids and fatty acid metal salts. The toner according to any one of the above. 該微粒子は、少なくともアルコキシシランまたはシリコーンオイルにより表面処理されてなることを特徴とする請求項1乃至6のいずれかに記載のトナー。   The toner according to claim 1, wherein the fine particles are surface-treated with at least alkoxysilane or silicone oil. 該トナーは、ワックスを含むことを特徴とする請求項1乃至7のいずれかに記載のトナー。   The toner according to claim 1, wherein the toner contains a wax. 該トナーは、重量平均粒径が3.0〜9.0μmであることを特徴とする請求項1乃至8のいずれかに記載のトナー。   The toner according to claim 1, wherein the toner has a weight average particle diameter of 3.0 to 9.0 μm. トナー及びキャリアからなる二成分現像剤において、
該トナーが請求項1乃至9のいずれかに記載のトナーであり、
該キャリアが、バインダー樹脂とこのバインダー樹脂中に分散され少なくとも磁性体を含む金属化合物粒子とを含有する磁性体分散型樹脂キャリアであることを特徴とする二成分現像剤。
In the two-component developer composed of toner and carrier,
The toner is the toner according to any one of claims 1 to 9,
The carrier, two-component developer, characterized in that dispersed in the binder resin as a binder resin which is a magnetic material-dispersed resin carrier containing a metal compound particles containing at least a magnetic material.
磁性体分散型樹脂キャリア表面が、コート剤用樹脂及びカップリング剤の少なくともいずれかにより処理されていることを特徴とする請求項10に記載の二成分現像剤。 Two-component developer according to claim 10 in which the magnetic-material-dispersed resin carrier surface, characterized in that it is treated with at least one of coating agents for the resin and a coupling agent. 前記キャリアの表面処理樹脂がシリコーン樹脂及びフッ素樹脂の少なくともいずれかを含有することを特徴とする請求項10または11に記載の二成分現像剤。 Two-component developer according to claim 10 or 11, characterized in that the surface treatment resin of the carrier contains at least one of a silicone resin and fluorine resin.
JP2005127597A 2005-04-26 2005-04-26 toner Expired - Fee Related JP4522312B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005127597A JP4522312B2 (en) 2005-04-26 2005-04-26 toner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005127597A JP4522312B2 (en) 2005-04-26 2005-04-26 toner

Publications (3)

Publication Number Publication Date
JP2006308642A JP2006308642A (en) 2006-11-09
JP2006308642A5 true JP2006308642A5 (en) 2008-06-19
JP4522312B2 JP4522312B2 (en) 2010-08-11

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JP2005127597A Expired - Fee Related JP4522312B2 (en) 2005-04-26 2005-04-26 toner

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Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4982233B2 (en) * 2007-04-12 2012-07-25 住友化学株式会社 Polypropylene resin composition and film thereof
JP2008304602A (en) * 2007-06-06 2008-12-18 Konica Minolta Business Technologies Inc Electrostatic latent image developing toner and developer using the same
JP4431605B2 (en) * 2007-08-09 2010-03-17 シャープ株式会社 Toner manufacturing method, toner, two-component developer, developing device, and image forming apparatus
JP5240555B2 (en) * 2008-06-19 2013-07-17 株式会社リコー Toner for developing electrostatic image and image forming method
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
JP2013200416A (en) * 2012-03-23 2013-10-03 Fuji Xerox Co Ltd Electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method
JP2014134594A (en) * 2013-01-08 2014-07-24 Fuji Xerox Co Ltd Toner for electrostatic charge image development, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method
JP2014186250A (en) * 2013-03-25 2014-10-02 Fuji Xerox Co Ltd Toner for electrostatic charge image development, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method
JP6645237B2 (en) * 2016-02-10 2020-02-14 富士ゼロックス株式会社 Resin particle composition
JP6642076B2 (en) * 2016-02-10 2020-02-05 富士ゼロックス株式会社 Electrostatic image developing toner, electrostatic image developing developer, toner cartridge, process cartridge, image forming apparatus, and image forming method
JP6610317B2 (en) * 2016-02-10 2019-11-27 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
JP6658044B2 (en) * 2016-02-10 2020-03-04 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
JP6837748B2 (en) * 2016-02-24 2021-03-03 株式会社リコー Toner, toner accommodating unit, image forming apparatus, and image forming method
JP6968632B2 (en) * 2017-09-07 2021-11-17 扶桑化学工業株式会社 Hydrophobic silica powder
JP7234727B2 (en) * 2019-03-22 2023-03-08 富士フイルムビジネスイノベーション株式会社 Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus and image forming method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3612259B2 (en) * 2000-02-25 2005-01-19 信越化学工業株式会社 Toner and method for producing toner externally added with fluidity-imparting agent
JP4390994B2 (en) * 2000-09-27 2009-12-24 富士ゼロックス株式会社 Toner for developing electrostatic image, image forming method and image forming apparatus using the same
JP4332463B2 (en) * 2003-05-14 2009-09-16 キヤノン株式会社 Two-component developer

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