JP2010101993A5 - - Google Patents

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JP2010101993A5
JP2010101993A5 JP2008271734A JP2008271734A JP2010101993A5 JP 2010101993 A5 JP2010101993 A5 JP 2010101993A5 JP 2008271734 A JP2008271734 A JP 2008271734A JP 2008271734 A JP2008271734 A JP 2008271734A JP 2010101993 A5 JP2010101993 A5 JP 2010101993A5
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Japan
Prior art keywords
toner
developing
polyester
electrostatic
melt
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JP2008271734A
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Japanese (ja)
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JP2010101993A (en
JP5454998B2 (en
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Claims (9)

少なくとも結着樹脂及び着色剤を溶融混練して、得られた溶融混練物を冷却し、無機微粒子の存在下で粉砕する工程を含む方法により得られる静電荷像現像用トナーであって、前記結着樹脂がポリエステルを含有してなり、トナーの100℃における溶融粘度が100〜1000Pa・sである、静電荷像現像用トナー。   An electrostatic charge image developing toner obtained by a method comprising a step of melt-kneading at least a binder resin and a colorant, cooling the obtained melt-kneaded product, and pulverizing in the presence of inorganic fine particles. A toner for developing an electrostatic image, wherein the adhesion resin contains polyester and the toner has a melt viscosity at 100 ° C. of 100 to 1000 Pa · s. ポリエステルが線状ポリエステルである、請求項１記載の静電荷像現像用トナー。   The electrostatic image developing toner according to claim 1, wherein the polyester is a linear polyester. ポリエステルが、イソフタル酸又はそのエステルを含むカルボン酸成分とアルコール成分とを縮重合させて得られるポリエステルである、請求項１又は２記載の静電荷像現像用トナー。 The electrostatic image developing toner according to claim 1 or 2 , wherein the polyester is a polyester obtained by condensation polymerization of a carboxylic acid component containing isophthalic acid or an ester thereof and an alcohol component. ポリエステルが、カルボン酸成分とアルコール成分とを縮重合して得られ、アルコール成分に対するカルボン酸成分の当量比が0.60〜0.85である、請求項１〜３いずれか記載の静電荷像現像用トナー。 The electrostatic image developing toner according to any one of claims 1 to 3 , wherein the polyester is obtained by condensation polymerization of a carboxylic acid component and an alcohol component, and an equivalent ratio of the carboxylic acid component to the alcohol component is 0.60 to 0.85. 溶融混練がオープンロール型混練機を用いて行われる、請求項１〜４いずれか記載の静電荷像現像用トナー。The toner for developing an electrostatic charge image according to claim 1, wherein the melt kneading is performed using an open roll type kneader. 粉砕工程で用いられる無機微粒子の使用量が、溶融混練物100重量部に対して、1〜10重量部である、請求項１〜５いずれか記載の静電荷像現像用トナー。 The toner for developing an electrostatic charge image according to any one of claims 1 to 5 , wherein the amount of the inorganic fine particles used in the pulverization step is 1 to 10 parts by weight with respect to 100 parts by weight of the melt-kneaded product. トナーのテトラヒドロフラン可溶分のゲル浸透クロマトグラフィーによるポリスチレン換算の重量平均分子量が1000〜10000である、請求項１〜６いずれか記載の静電荷像現像用トナー。 The toner for developing an electrostatic charge image according to any one of claims 1 to 6 , wherein a weight average molecular weight in terms of polystyrene as measured by gel permeation chromatography of a tetrahydrofuran soluble part of the toner is 1000 to 10,000. 請求項１〜７いずれか記載の静電荷像現像用トナーとキャリアからなる二成分現像剤。 Claim 1-7 two-component developer comprising a toner for developing electrostatic images and a carrier according to any one. 請求項１〜７いずれか記載の静電荷像現像用トナーを、二成分現像方式の画像形成装置に用いる画像形成方法。
Claims 1-7 any toner according either image forming method using the image forming apparatus of a two-component developing method.
JP2008271734A 2008-10-22 2008-10-22 Toner for electrostatic image development Active JP5454998B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008271734A JP5454998B2 (en) 2008-10-22 2008-10-22 Toner for electrostatic image development

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008271734A JP5454998B2 (en) 2008-10-22 2008-10-22 Toner for electrostatic image development

Publications (3)

Publication Number Publication Date
JP2010101993A JP2010101993A (en) 2010-05-06
JP2010101993A5 true JP2010101993A5 (en) 2011-11-10
JP5454998B2 JP5454998B2 (en) 2014-03-26

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JP2008271734A Active JP5454998B2 (en) 2008-10-22 2008-10-22 Toner for electrostatic image development

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JP (1) JP5454998B2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5498883B2 (en) 2010-04-27 2014-05-21 日本航空電子工業株式会社 Electrical connector
JP5690793B2 (en) * 2012-10-09 2015-03-25 株式会社沖データ Toner for electrostatic charge development, toner cartridge, developing device and image forming apparatus
JP6170669B2 (en) * 2012-12-06 2017-07-26 シャープ株式会社 Toner production method
EP3088958B1 (en) * 2013-12-27 2020-02-05 Kao Corporation Toner for electrophotography
JP6320751B2 (en) * 2013-12-27 2018-05-09 花王株式会社 Method for producing toner for electrophotography
JP6650712B2 (en) * 2015-09-18 2020-02-19 花王株式会社 Toner for developing electrostatic images

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2743476B2 (en) * 1989-05-31 1998-04-22 ミノルタ株式会社 Heat roll fixing toner
JP3738012B2 (en) * 2002-12-20 2006-01-25 三菱レイヨン株式会社 Resin composition for toner and toner
JP2006119616A (en) * 2004-09-21 2006-05-11 Kao Corp Process for preparing toner
JP4491328B2 (en) * 2004-10-29 2010-06-30 花王株式会社 Toner production method
JP2007328043A (en) * 2006-06-06 2007-12-20 Kao Corp Electrophotographic toner

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