JP2009192698A5 - - Google Patents
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- Publication number
- JP2009192698A5 JP2009192698A5 JP2008031727A JP2008031727A JP2009192698A5 JP 2009192698 A5 JP2009192698 A5 JP 2009192698A5 JP 2008031727 A JP2008031727 A JP 2008031727A JP 2008031727 A JP2008031727 A JP 2008031727A JP 2009192698 A5 JP2009192698 A5 JP 2009192698A5
- Authority
- JP
- Japan
- Prior art keywords
- group
- negatively chargeable
- producing
- toner
- chargeable toner
- 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
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- 239000002245 particle Substances 0.000 claims 12
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims 10
- 238000004519 manufacturing process Methods 0.000 claims 8
- 125000003504 2-oxazolinyl group Chemical group O1C(=NCC1)* 0.000 claims 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 6
- 239000000395 magnesium oxide Substances 0.000 claims 5
- 239000000654 additive Substances 0.000 claims 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N TiO Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims 3
- 239000002253 acid Substances 0.000 claims 3
- 230000000996 additive Effects 0.000 claims 3
- 125000004069 aziridinyl group Chemical group 0.000 claims 3
- 239000011230 binding agent Substances 0.000 claims 3
- 150000001875 compounds Chemical class 0.000 claims 3
- 125000000524 functional group Chemical group 0.000 claims 3
- 229920000728 polyester Polymers 0.000 claims 3
- 239000011347 resin Substances 0.000 claims 3
- 229920005989 resin Polymers 0.000 claims 3
- 239000000377 silicon dioxide Substances 0.000 claims 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 3
- 229910001929 titanium oxide Inorganic materials 0.000 claims 3
- 229920000642 polymer Polymers 0.000 claims 2
- 230000004931 aggregating Effects 0.000 claims 1
- OBFQBDOLCADBTP-UHFFFAOYSA-N aminosilicon Chemical compound [Si]N OBFQBDOLCADBTP-UHFFFAOYSA-N 0.000 claims 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 230000001804 emulsifying Effects 0.000 claims 1
- 239000010419 fine particle Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 229920002545 silicone oil Polymers 0.000 claims 1
Claims (9)
（２）工程（１）で得られたトナー粒子を、数平均粒子径が１０〜２００ｎｍである正帯電性の酸化マグネシウムと、数平均粒子径が６〜３０ｎｍであるシリカ又は酸化チタンとを含む外添剤で外添処理する工程 (2) The toner particles obtained in step (1) contain positively chargeable magnesium oxide having a number average particle diameter of 10 to 200 nm and silica or titanium oxide having a number average particle diameter of 6 to 30 nm. Process of external addition with external additives
を有する、電子写真用負帯電性トナーの製造方法。A method for producing a negatively chargeable toner for electrophotography.
（ａ）水系媒体中で、酸基を有するポリエステルを含有する結着樹脂を乳化して乳化粒子を得る工程、 (A) a step of emulsifying a binder resin containing a polyester having an acid group in an aqueous medium to obtain emulsified particles;
（ｂ）工程（ａ）で得られた乳化粒子を凝集して凝集粒子を得る工程、 (B) a step of aggregating the emulsified particles obtained in step (a) to obtain agglomerated particles;
（ｃ）工程（ｂ）で得られた凝集粒子を合一してトナー粒子を得る工程、及び (C) combining the aggregated particles obtained in step (b) to obtain toner particles; and
（ｄ）工程（ａ）以後に、オキサゾリン基及びアジリジン基からなる群から選ばれる少なくとも一種の官能基を有する化合物を添加する工程 (D) A step of adding a compound having at least one functional group selected from the group consisting of an oxazoline group and an aziridine group after step (a).
を有する、請求項１に記載の電子写真用負帯電性トナーの製造方法。The method for producing a negatively chargeable toner for electrophotography according to claim 1, comprising:
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008031727A JP5186233B2 (en) | 2008-02-13 | 2008-02-13 | Negatively chargeable toner for electrophotography |
| PCT/JP2008/064133 WO2009020155A1 (en) | 2007-08-08 | 2008-08-06 | Process for producing toner for electrophotography |
| CN2008801005109A CN101765813B (en) | 2007-08-08 | 2008-08-06 | Method for producing toner for electrophotography |
| DE112008002107.4T DE112008002107B4 (en) | 2007-08-08 | 2008-08-06 | Process for producing a toner for electrophotography |
| US12/671,576 US8288070B2 (en) | 2007-08-08 | 2008-08-06 | Process for producing toner for electrophotography |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008031727A JP5186233B2 (en) | 2008-02-13 | 2008-02-13 | Negatively chargeable toner for electrophotography |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009192698A JP2009192698A (en) | 2009-08-27 |
| JP2009192698A5 true JP2009192698A5 (en) | 2011-03-24 |
| JP5186233B2 JP5186233B2 (en) | 2013-04-17 |
Family
ID=41074788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008031727A Active JP5186233B2 (en) | 2007-08-08 | 2008-02-13 | Negatively chargeable toner for electrophotography |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5186233B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5119074B2 (en) * | 2008-07-24 | 2013-01-16 | シャープ株式会社 | Toner manufacturing method, toner, developer, developing device, and image forming apparatus |
| JP5482477B2 (en) * | 2010-06-11 | 2014-05-07 | コニカミノルタ株式会社 | Method for producing electrostatic charge developing toner and electrostatic charge developing toner |
| JP5482478B2 (en) * | 2010-06-11 | 2014-05-07 | コニカミノルタ株式会社 | Toner production method for electrostatic charge development, toner for electrostatic charge development |
| JP6569645B2 (en) * | 2016-02-25 | 2019-09-04 | 京セラドキュメントソリューションズ株式会社 | Toner for electrostatic latent image development |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69230072T2 (en) * | 1991-08-22 | 2000-03-09 | Lucky Ltd | METHOD FOR PRODUCING A BINDING RESIN, USERALLY IN ELECTROPHOTOGRAPHIC TONERS |
| JPH1195487A (en) * | 1997-09-25 | 1999-04-09 | Dainippon Ink & Chem Inc | Plate making method of direct drawing type lithographic printing master plate |
| JP2000292968A (en) * | 1999-04-02 | 2000-10-20 | Canon Inc | Dry toner |
| JP2004191532A (en) * | 2002-12-10 | 2004-07-08 | Canon Inc | Image forming method and developer for replenishment used in image forming method |
| JP2005215607A (en) * | 2004-02-02 | 2005-08-11 | Seiko Epson Corp | Electrophotographic toner |
| JP2005215608A (en) * | 2004-02-02 | 2005-08-11 | Seiko Epson Corp | Method for manufacturing electrophotographic toner |
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2008
- 2008-02-13 JP JP2008031727A patent/JP5186233B2/en active Active
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