JP2007163748A5 - - Google Patents
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- JP2007163748A5 JP2007163748A5 JP2005358852A JP2005358852A JP2007163748A5 JP 2007163748 A5 JP2007163748 A5 JP 2007163748A5 JP 2005358852 A JP2005358852 A JP 2005358852A JP 2005358852 A JP2005358852 A JP 2005358852A JP 2007163748 A5 JP2007163748 A5 JP 2007163748A5
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- JP
- Japan
- Prior art keywords
- hydrophobic
- fine particles
- number average
- primary particle
- average primary
- Prior art date
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- 230000002209 hydrophobic Effects 0.000 claims 32
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 24
- 239000010419 fine particle Substances 0.000 claims 22
- 239000011164 primary particle Substances 0.000 claims 22
- 239000006087 Silane Coupling Agent Substances 0.000 claims 20
- 239000000377 silicon dioxide Substances 0.000 claims 12
- 239000002245 particle Substances 0.000 claims 10
- 229920001225 Polyester resin Polymers 0.000 claims 6
- OGIDPMRJRNCKJF-UHFFFAOYSA-N TiO Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims 6
- 125000000129 anionic group Chemical group 0.000 claims 6
- 239000003086 colorant Substances 0.000 claims 6
- 239000004645 polyester resin Substances 0.000 claims 6
- 239000002904 solvent Substances 0.000 claims 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 6
- 229910001929 titanium oxide Inorganic materials 0.000 claims 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N AI2O3 Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 4
- 238000004519 manufacturing process Methods 0.000 claims 3
Claims (8)
シランカップリング剤による疎水化処理を施した個数平均一次粒子径が７〜６０ｎｍの疎水性シリカ微粒子と、
シランカップリング剤による疎水化処理を施した個数平均一次粒子径が１０〜４０ｎｍの疎水性酸化チタン微粒子と、
シランカップリング剤による疎水化処理を施した個数平均一次粒子径が１００〜６００ｎｍの疎水性シリカ微粒子と、
を有することを特徴とする負帯電性トナー。 Toner base particles having a colorant, a wax component, and an anionic self-water-dispersible polyester resin;
Hydrophobic silica fine particles having a number average primary particle diameter of 7 to 60 nm subjected to a hydrophobization treatment with a silane coupling agent;
Hydrophobic titanium oxide fine particles having a number average primary particle size of 10 to 40 nm subjected to a hydrophobic treatment with a silane coupling agent;
Hydrophobic silica fine particles having a number average primary particle size of 100 to 600 nm subjected to hydrophobic treatment with a silane coupling agent;
A negatively chargeable toner characterized by comprising:
シランカップリング剤による疎水化処理を施した個数平均一次粒子径が７〜６０ｎｍの疎水性シリカ微粒子と、
シランカップリング剤による疎水化処理を施した個数平均一次粒子径が１０〜４０ｎｍの疎水性酸化チタン微粒子、
シランカップリング剤による疎水化処理を施した個数平均一次粒子径が１００〜６００ｎｍの疎水性α型アルミナ微粒子と、
を有することを特徴とする負帯電性トナー。 Toner base particles having a colorant, a wax component, and an anionic self-water-dispersible polyester resin;
Hydrophobic silica fine particles having a number average primary particle diameter of 7 to 60 nm subjected to a hydrophobization treatment with a silane coupling agent;
Hydrophobic titanium oxide fine particles having a number average primary particle size of 10 to 40 nm subjected to a hydrophobic treatment with a silane coupling agent,
Hydrophobic α-type alumina fine particles having a number average primary particle size of 100 to 600 nm subjected to a hydrophobization treatment with a silane coupling agent;
A negatively chargeable toner characterized by comprising:
前記水性媒体を添加した前記疎水性溶剤溶液を転相乳化してトナー母粒子を生成し、
前記トナー母粒子にシランカップリング剤により疎水化処理された個数平均一次粒子径が７〜６０ｎｍの疎水性シリカ微粒子およびシランカップリング剤により疎水化処理された個数平均一次粒子径が１００〜６００ｎｍの疎水性シリカ微粒子を外添処理し、
シランカップリング剤により疎水化処理された個数平均一次粒子径が１０〜４０ｎｍの酸化チタン微粒子およびシランカップリング剤により疎水化処理された個数平均一次粒子径が１００〜６００ｎｍの疎水性α型アルミナ微粒子を外添処理することを特徴とする負帯電性トナーの製造方法。 An aqueous medium is added to a hydrophobic solvent solution having a colorant, a wax component and an anionic self-water-dispersible polyester resin;
The hydrophobic solvent solution to which the aqueous medium has been added is phase-inverted and emulsified to produce toner mother particles,
Hydrophobic silica fine particles having a number average primary particle size of 7 to 60 nm hydrophobized with a silane coupling agent on the toner base particles and a number average primary particle size of 100 to 600 nm hydrophobized with a silane coupling agent. Externally treating hydrophobic silica fine particles,
Titanium oxide fine particles having a number average primary particle size of 10 to 40 nm hydrophobized by a silane coupling agent and hydrophobic α-type alumina fine particles having a number average primary particle size of 100 to 600 nm hydrophobized by a silane coupling agent A method for producing a negatively chargeable toner, wherein the toner is externally added.
前記水性媒体を添加した前記疎水性溶剤溶液を転相乳化してトナー母粒子を生成し、
前記トナー母粒子にシランカップリング剤により疎水化処理された個数平均一次粒子径が７〜６０ｎｍの疎水性シリカ微粒子を外添処理し、
シランカップリング剤により疎水化処理された個数平均一次粒子径が１０〜４０ｎｍの疎水性酸化チタン微粒子およびシランカップリング剤により疎水化処理された個数平均一次粒子径が１００〜６００ｎｍの疎水性α型アルミナ微粒子を外添処理することを特徴とする負帯電性トナーの製造方法。 An aqueous medium is added to a hydrophobic solvent solution having a colorant, a wax component and an anionic self-water-dispersible polyester resin;
The hydrophobic solvent solution to which the aqueous medium has been added is phase-inverted and emulsified to produce toner mother particles,
The toner base particles are externally treated with hydrophobic silica fine particles having a number average primary particle diameter of 7 to 60 nm that have been hydrophobized with a silane coupling agent,
Hydrophobic titanium oxide fine particles having a number average primary particle size of 10 to 40 nm hydrophobized by a silane coupling agent and hydrophobic α-type having a number average primary particle size of 100 to 600 nm hydrophobized by a silane coupling agent A method for producing a negatively chargeable toner, comprising externally adding alumina fine particles.
前記水性媒体を添加した前記疎水性溶剤溶液を転相乳化してトナー母粒子を生成し、
前記トナー母粒子にシランカップリング剤により疎水化処理された個数平均一次粒子径が７〜６０ｎｍの疎水性シリカ微粒子およびシランカップリング剤により疎水化処理された個数平均一次粒子径が１００〜６００ｎｍの疎水性シリカ微粒子を外添処理し、
シランカップリング剤により疎水化処理された個数一次粒子径が１０〜４０ｎｍの疎水性酸化チタン微粒子を外添処理することを特徴とする負帯電性トナーの製造方法。 An aqueous medium is added to a hydrophobic solvent solution having a colorant, a wax component and an anionic self-water-dispersible polyester resin;
The hydrophobic solvent solution to which the aqueous medium has been added is phase-inverted and emulsified to produce toner mother particles,
Hydrophobic silica fine particles having a number average primary particle size of 7 to 60 nm hydrophobized with a silane coupling agent on the toner base particles and a number average primary particle size of 100 to 600 nm hydrophobized with a silane coupling agent. Externally treating hydrophobic silica fine particles,
A method for producing a negatively chargeable toner, comprising externally treating hydrophobic titanium oxide fine particles having a primary particle size of 10 to 40 nm that have been subjected to a hydrophobic treatment with a silane coupling agent.
シランカップリング剤により疎水化処理された個数平均一次粒子径が７〜６０ｎｍの疎水性シリカ微粒子と、
シランカップリング剤により疎水化処理された個数平均一次粒子径が１０〜４０ｎｍの疎水性酸化チタン微粒子と、
シランカップリング剤により疎水化処理された個数平均一次粒子径が１００〜６００ｎｍの疎水性シリカ微粒子とを有する負帯電性トナーを用いることを特徴とする画像形成装置。 Toner base particles having a colorant, a wax component and an anionic self-water-dispersible polyester resin;
Hydrophobic silica fine particles having a number average primary particle size of 7 to 60 nm hydrophobized with a silane coupling agent;
Hydrophobic titanium oxide fine particles having a number average primary particle size of 10 to 40 nm hydrophobized with a silane coupling agent;
An image forming apparatus comprising: a negatively chargeable toner having hydrophobic silica fine particles having a number average primary particle size of 100 to 600 nm hydrophobized with a silane coupling agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005358852A JP4716015B2 (en) | 2005-12-13 | 2005-12-13 | Negatively chargeable toner, method for producing the same, and image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005358852A JP4716015B2 (en) | 2005-12-13 | 2005-12-13 | Negatively chargeable toner, method for producing the same, and image forming apparatus |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010223541A Division JP5196202B2 (en) | 2010-10-01 | 2010-10-01 | Negatively chargeable toner and method for producing the same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007163748A JP2007163748A (en) | 2007-06-28 |
| JP2007163748A5 true JP2007163748A5 (en) | 2009-01-15 |
| JP4716015B2 JP4716015B2 (en) | 2011-07-06 |
Family
ID=38246714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005358852A Expired - Fee Related JP4716015B2 (en) | 2005-12-13 | 2005-12-13 | Negatively chargeable toner, method for producing the same, and image forming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4716015B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010204237A (en) * | 2009-03-02 | 2010-09-16 | Seiko Epson Corp | Method for producing alumina fine particle for external additive for toner and method for producing toner |
| JP5460166B2 (en) * | 2009-07-29 | 2014-04-02 | キヤノン株式会社 | toner |
| JP5892019B2 (en) * | 2012-09-24 | 2016-03-23 | 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 |
| JP7027693B2 (en) * | 2017-03-24 | 2022-03-02 | 富士フイルムビジネスイノベーション株式会社 | Toner for static charge image development, static charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method. |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000250251A (en) * | 1999-02-25 | 2000-09-14 | Sumitomo Chem Co Ltd | Alumina powder and developer containing same |
| JP4235350B2 (en) * | 1999-08-02 | 2009-03-11 | キヤノン株式会社 | Toner, toner manufacturing method, image forming method, and image forming apparatus |
| JP3744829B2 (en) * | 2001-09-18 | 2006-02-15 | セイコーエプソン株式会社 | Negatively charged toner |
| JP4141721B2 (en) * | 2002-03-29 | 2008-08-27 | セイコーエプソン株式会社 | Negatively charged toner, method for producing the same, and image forming apparatus using the negatively charged toner |
| JP4215492B2 (en) * | 2002-12-10 | 2009-01-28 | 株式会社リコー | Intermediate transfer member and image forming apparatus |
| JP4293017B2 (en) * | 2003-03-07 | 2009-07-08 | コニカミノルタホールディングス株式会社 | Toner, toner manufacturing method, image forming method, and image forming apparatus |
| JP2004279912A (en) * | 2003-03-18 | 2004-10-07 | Seiko Epson Corp | Toner and image forming apparatus using the toner |
| JP4275455B2 (en) * | 2003-03-20 | 2009-06-10 | 株式会社リコー | Intermediate transfer member, image forming apparatus, image forming method, and dry toner for image formation |
| JP2005049394A (en) * | 2003-07-29 | 2005-02-24 | Dainippon Ink & Chem Inc | Method for manufacturing electrostatic charge image developing toner |
| JP2005274722A (en) * | 2004-03-23 | 2005-10-06 | Seiko Epson Corp | Toner |
| JP4064369B2 (en) * | 2004-03-25 | 2008-03-19 | シャープ株式会社 | Toner manufacturing method and toner |
-
2005
- 2005-12-13 JP JP2005358852A patent/JP4716015B2/en not_active Expired - Fee Related
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