KR100671857B1 - 토너를 사용한 화상 형성 방법 - Google Patents
토너를 사용한 화상 형성 방법 Download PDFInfo
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- KR100671857B1 KR100671857B1 KR1020040084358A KR20040084358A KR100671857B1 KR 100671857 B1 KR100671857 B1 KR 100671857B1 KR 1020040084358 A KR1020040084358 A KR 1020040084358A KR 20040084358 A KR20040084358 A KR 20040084358A KR 100671857 B1 KR100671857 B1 KR 100671857B1
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
- G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
- G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
- G03G15/2064—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat combined with pressure
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/0802—Preparation methods
- G03G9/0804—Preparation methods whereby the components are brought together in a liquid dispersing medium
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/087—Binders for toner particles
- G03G9/08742—Binders for toner particles comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- G03G9/08755—Polyesters
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/087—Binders for toner particles
- G03G9/08784—Macromolecular material not specially provided for in a single one of groups G03G9/08702 - G03G9/08775
- G03G9/08791—Macromolecular material not specially provided for in a single one of groups G03G9/08702 - G03G9/08775 characterised by the presence of specified groups or side chains
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/20—Details of the fixing device or porcess
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/20—Details of the fixing device or porcess
- G03G2215/2003—Structural features of the fixing device
- G03G2215/2016—Heating belt
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/20—Details of the fixing device or porcess
- G03G2215/2003—Structural features of the fixing device
- G03G2215/2016—Heating belt
- G03G2215/2025—Heating belt the fixing nip having a rotating belt support member opposing a pressure member
- G03G2215/2032—Heating belt the fixing nip having a rotating belt support member opposing a pressure member the belt further entrained around additional rotating belt support members
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/20—Details of the fixing device or porcess
- G03G2215/2003—Structural features of the fixing device
- G03G2215/2016—Heating belt
- G03G2215/2035—Heating belt the fixing nip having a stationary belt support member opposing a pressure member
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Developing Agents For Electrophotography (AREA)
- Fixing For Electrophotography (AREA)
Abstract
Description
사 용 토 너 | 정착 장치 | 토너 입자 분포 | 형상 | 저장 탄성율 | 정착 특성 | 내 구 성 | |||||
Dv (㎛) | Dn (㎛) | Dv/Dn | 원 형 도 | G' (180℃) | 정착 하한 (℃) | 핫오프셋 발생 온도 (℃) | 스미어성 온도 (℃) | ||||
실시예 1 | 토너 1 | A | 6.15 | 5.77 | 1.07 | 0.95 | 2190 | 130 | ≥220 | 125 | ○ |
실시예 2 | 토너 2 | A | 6.05 | 5.78 | 1.05 | 0.94 | 1050 | 130 | 220 | 125 | ○ |
실시예 3 | 토너 3 | A | 6.24 | 5.72 | 1.09 | 0.92 | 2450 | 140 | ≥220 | 125 | ○ |
실시예 4 | 토너 4 | A | 6.30 | 6.00 | 1.05 | 0.96 | 4300 | 145 | ≥220 | 125 | ○ |
실시예 5 | 토너 5 | A | 5.50 | 4.87 | 1.13 | 0.93 | 3590 | 140 | ≥220 | 125 | ○ |
실시예 6 | 토너 6 | A | 5.05 | 4.51 | 1.12 | 0.94 | 3810 | 140 | ≥220 | 125 | ○ |
실시예 7 | 토너 7 | A | 6.69 | 5.52 | 1.21 | 0.95 | 5500 | 150 | 210 | 125 | ○ |
비교예 1 | 토너 8 | A | 6.30 | 5.62 | 1.12 | 0.98 | 4410 | 175 | 210 | 180 | △ |
비교예 2 | 토너 9 | A | 6.22 | 5.16 | 1.21 | 0.96 | 3550 | 155 | 205 | 165 | △ |
비교예 3 | 토너 10 | A | 6.82 | 5.31 | 1.28 | 0.90 | 2300 | 130 | ≥220 | 165 | △ |
비교예 4 | 토너 1 | B | 6.15 | 5.77 | 1.07 | 0.95 | 2190 | 130 | ≥220 | 180 | X |
Claims (13)
- 자성 금속으로 구성되고 전자(電磁) 유도에 의해 정착 닙부 이외에서 가열되는 가열 롤러와,상기 가열 롤러와 평행으로 배치된 정착 롤러와,상기 가열 롤러와 상기 정착 롤러에 씌워지고 상기 가열 롤러에 의해 가열됨과 동시에 이들 롤러에 의해 회전되는 엔드리스 벨트형의 토너 가열 매체와,상기 토너 가열 매체를 통하여 상기 정착 롤러에 압접됨과 동시에, 상기 토너 가열 매체에 대하여 순방향으로 회전하여 정착 닙부를 형성하는 가압 롤러를 구비하는 정착 장치를 이용하여 기록 매체에 토너 화상을 형성하는 화상 형성 방법에 있어서,상기 토너는유기 용매 중에 활성 수소와 반응 가능한 변성 폴리에스테르계 수지(i)로 이루어지는 토너 바인더 수지를 포함한 토너 조성물을 용해 또는 분산시키고,상기 용해 또는 분산물을 수지 미립자를 포함한 수계 매체 중에서 분산시키며,나아가, 가교제 및/또는 신장제와 반응시켜 얻어지는 분산액으로부터 용매를 제거하여 얻은 토너인 것을 특징으로 하는 화상 형성 방법.
- 제1항에 있어서, 상기 토너 가열 매체의 두께는 50∼500 ㎛인 것을 특징으로 하는 화상 형성 방법.
- 제1항에 있어서, 상기 토너 바인더 수지는 상기 변성 폴리에스테르계 수지 (i)와 함께 변성되지 않은 폴리에스테르계 수지 (ii)를 함유하고, 상기 변성 폴리에스테르계 수지 (i)와 상기 변성되지 않은 폴리에스테르계 수지 (ii)의 중량비가 5/95∼75/25인 것을 특징으로 하는 화상 형성 방법.
- 제1항에 있어서, 상기 토너 바인더 수지의 산가는 0.5∼40 ㎎ KOH/g인 것을 특징으로 하는 화상 형성 방법.
- 제1항에 있어서, 상기 토너 바인더 수지의 유리 전이점 (Tg)은 40℃∼70℃인 것을 특징으로 하는 화상 형성 방법.
- 제1항에 있어서, 상기 토너 바인더 수지의 유리 전이점 (Tg)은 40℃∼55℃인 것을 특징으로 하는 화상 형성 방법.
- 제1항에 있어서, 상기 수지 미립자는 비닐계 수지, 폴리우레탄 수지, 에폭시 수지, 폴리에스테르 수지 및 그들의 혼합물로 이루어진 군에서 선택되는 것을 특징으로 하는 화상 형성 방법.
- 제1항에 있어서, 상기 수지 미립자의 평균 입경은 5∼500 ㎚인 것을 특징으 로 하는 화상 형성 방법.
- 제1항에 있어서, 상기 토너의 주파수 1 ㎐, 온도 180℃에서의 G' (저장 탄성율)은 700 ㎩∼7,000 ㎩인 것을 특징으로 하는 화상 형성 방법.
- 제1항에 있어서, 상기 토너 입자의 체적 평균 입경은 4∼8 ㎛인 것을 특징으로 하는 화상 형성 방법.
- 제1항에 있어서, 상기 토너 입자의 체적 평균 입경/개수 평균 입경 (Dv/Dn)은 1.25 이하인 것을 특징으로 하는 화상 형성 방법.
- 제1항에 있어서, 상기 토너 입자의 평균 원형도는 0.90∼0.96인 것을 특징으로 하는 화상 형성 방법.
- 제1항에 있어서, 상기 유화 분산액을 숙성하는 공정은 적어도 교반, 가열, 또는 교반과 가열의 조건하에서 수행되는 것을 특징으로 하는 화상 형성 방법.
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JP2003361851 | 2003-10-22 | ||
JPJP-P-2003-00361851 | 2003-10-22 |
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KR20050039608A KR20050039608A (ko) | 2005-04-29 |
KR100671857B1 true KR100671857B1 (ko) | 2007-01-22 |
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US (1) | US7442484B2 (ko) |
EP (1) | EP1530100B1 (ko) |
KR (1) | KR100671857B1 (ko) |
CN (1) | CN1652032A (ko) |
DE (1) | DE602004019373D1 (ko) |
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2004
- 2004-10-20 EP EP04256475A patent/EP1530100B1/en not_active Expired - Lifetime
- 2004-10-20 DE DE602004019373T patent/DE602004019373D1/de not_active Expired - Lifetime
- 2004-10-21 KR KR1020040084358A patent/KR100671857B1/ko active IP Right Grant
- 2004-10-21 US US10/969,076 patent/US7442484B2/en not_active Expired - Fee Related
- 2004-10-22 CN CNA2004100758735A patent/CN1652032A/zh active Pending
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JP2003280269A (ja) * | 2002-03-22 | 2003-10-02 | Ricoh Co Ltd | 静電荷像現像用トナー及び現像剤並びに画像形成方法と画像形成装置 |
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EP1530100A1 (en) | 2005-05-11 |
CN1652032A (zh) | 2005-08-10 |
US7442484B2 (en) | 2008-10-28 |
EP1530100B1 (en) | 2009-02-11 |
DE602004019373D1 (de) | 2009-03-26 |
US20050089787A1 (en) | 2005-04-28 |
KR20050039608A (ko) | 2005-04-29 |
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