JP2011002684A5 - - Google Patents
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- Publication number
- JP2011002684A5 JP2011002684A5 JP2009146230A JP2009146230A JP2011002684A5 JP 2011002684 A5 JP2011002684 A5 JP 2011002684A5 JP 2009146230 A JP2009146230 A JP 2009146230A JP 2009146230 A JP2009146230 A JP 2009146230A JP 2011002684 A5 JP2011002684 A5 JP 2011002684A5
- Authority
- JP
- Japan
- Prior art keywords
- magnetic carrier
- resin composition
- particles
- rotating body
- volume
- 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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- 239000000969 carrier Substances 0.000 claims 7
- 239000002245 particle Substances 0.000 claims 7
- 239000011342 resin composition Substances 0.000 claims 6
- 238000003756 stirring Methods 0.000 claims 6
- 238000000576 coating method Methods 0.000 claims 5
- 239000011248 coating agent Substances 0.000 claims 4
- 239000007771 core particle Substances 0.000 claims 4
- 238000004519 manufacturing process Methods 0.000 claims 2
Claims (2)
該被覆処理が、少なくとも複数の撹拌部材を表面に有する回転体と、該回転体を回転駆動する駆動部と、該撹拌部材と間隙を有して設けられた本体ケーシングとを有する被覆処理装置を用いて行われ、
該樹脂組成物粒子の体積基準の５０％粒径（Ｄ５０）が、０．２μｍ以上６．０μｍ以下であり、１０．０μｍ以上の粒子の割合が２．０体積％以下であり、
該被覆処理装置内に投入された該磁性キャリアコア粒子及び該樹脂組成物粒子は、該回転体を回転させることによって、該撹拌部材の一部撹拌部材により、該回転体の軸方向の一方向である駆動部方向に送られ、該撹拌部材の他の一部撹拌部材により、該回転体の軸方向の逆方向である、反駆動部方向に送られ、該駆動部方向への送りと、該反駆動部方向への送りとを繰り返し行いながら、該樹脂組成物粒子で該磁性キャリアコア粒子表面を被覆処理することを特徴とする磁性キャリアの製造方法。 I by the mechanical impact, the resin composition particles to coating treatment on the surface of the magnetic carrier core particles, a manufacturing method of the magnetic carrier to produce a coated magnetic carrier with the resin composition,
The coating process, a rotating body having a surface at least a plurality of stirring members, a driving unit for rotationally driving the rotation body, the coating processing apparatus having a main body casing provided with a said stirring member and a gap Done with
The volume-based 50% particle size (D50) of the resin composition particles is 0.2 μm or more and 6.0 μm or less, and the proportion of particles of 10.0 μm or more is 2.0% by volume or less,
The magnetic carrier core particles and the resin composition particles introduced into the coating treatment apparatus are rotated in the axial direction of the rotating body by rotating the rotating body and partially stirring the stirring member. sent to der Ru drive moving portion direction and another portion stirring member of the agitation member is a reverse axial direction of the rotating body, is sent to the counter-driver direction, the feed to the driving unit direction And the surface of the magnetic carrier core particles are coated with the resin composition particles while repeatedly feeding in the direction of the counter driving portion.
１．１≦Ａ／Ｂ≦４．０ The total volume of the magnetic carrier core particles and the resin composition particles charged into the coating treatment apparatus is A, the minimum gap between the inner surface of the main casing and the stirring member is d, and the inner diameter of the main casing is 2. The magnetic carrier according to claim 1, wherein when the volume of a cylindrical space having a thickness of d from the surface toward the center is B, the relationship between A and B satisfies the following formula. Production method.
1.1 ≦ A / B ≦ 4.0
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009146230A JP4766713B2 (en) | 2009-06-19 | 2009-06-19 | Manufacturing method of magnetic carrier |
| CN201080027322.5A CN102804080B (en) | 2009-06-19 | 2010-06-11 | Method For Producing Magnetic Carrier And Magnetic Carrier Produced Using The Same Production Method |
| PCT/JP2010/003894 WO2010146814A1 (en) | 2009-06-19 | 2010-06-11 | Method for producing magnetic carrier and magnetic carrier produced using the same production method |
| KR1020127000808A KR101396011B1 (en) | 2009-06-19 | 2010-06-11 | Method for producing magnetic carrier |
| EP10789197.0A EP2444848B1 (en) | 2009-06-19 | 2010-06-11 | Method for producing magnetic carrier and magnetic carrier produced using the same production method |
| US12/899,957 US8323726B2 (en) | 2009-06-19 | 2010-10-07 | Production method of magnetic carrier and magnetic carrier produced therewith |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009146230A JP4766713B2 (en) | 2009-06-19 | 2009-06-19 | Manufacturing method of magnetic carrier |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2011002684A JP2011002684A (en) | 2011-01-06 |
| JP2011002684A5 true JP2011002684A5 (en) | 2011-05-19 |
| JP4766713B2 JP4766713B2 (en) | 2011-09-07 |
Family
ID=43560677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009146230A Expired - Fee Related JP4766713B2 (en) | 2009-06-19 | 2009-06-19 | Manufacturing method of magnetic carrier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4766713B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6012328B2 (en) * | 2012-08-01 | 2016-10-25 | キヤノン株式会社 | Manufacturing method of magnetic carrier |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2756692B2 (en) * | 1989-03-29 | 1998-05-25 | コニカ株式会社 | Manufacturing method of carrier for developing electrostatic images |
| JP4739316B2 (en) * | 2007-12-20 | 2011-08-03 | キヤノン株式会社 | Electrophotographic carrier production method and electrophotographic carrier produced using the production method |
-
2009
- 2009-06-19 JP JP2009146230A patent/JP4766713B2/en not_active Expired - Fee Related
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