KR20180079349A - 대전 부재 및 이를 채용한 전자사진 화상형성장치 - Google Patents
대전 부재 및 이를 채용한 전자사진 화상형성장치 Download PDFInfo
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- KR20180079349A KR20180079349A KR1020187014101A KR20187014101A KR20180079349A KR 20180079349 A KR20180079349 A KR 20180079349A KR 1020187014101 A KR1020187014101 A KR 1020187014101A KR 20187014101 A KR20187014101 A KR 20187014101A KR 20180079349 A KR20180079349 A KR 20180079349A
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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
- G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
- G03G15/0208—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus
- G03G15/0216—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus by bringing a charging member into contact with the member to be charged, e.g. roller, brush chargers
- G03G15/0233—Structure, details of the charging member, e.g. chemical composition, surface properties
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/02—Charge-receiving layers
- G03G5/0202—Dielectric layers for electrography
- G03G5/0205—Macromolecular components
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/02—Charge-receiving layers
- G03G5/0202—Dielectric layers for electrography
- G03G5/0205—Macromolecular components
- G03G5/0208—Macromolecular components obtained by reactions only involving carbon-to-carbon unsatured bonds
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/02—Charge-receiving layers
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- G—PHYSICS
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- G03G2215/02—Arrangements for laying down a uniform charge
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Abstract
Description
도 2는 본 발명의 일 실시형태에 따른 대전 부재의 도전성 수지층 표면을 확대하여 나타내는 모식 단면도이다.
도 3은 본 발명의 일 실시형태에 따른 전자사진 화상형성장치의 모식적인 사시도이다.
바인더 수지 | 입자 | ||||||
종류 | εr1 | 종류 | εr2 | 오일 흡착량 [ml/100g] | 입자경[㎛] | 첨가량[phr] | |
실시예 1 | 가용성 나일론 | 5.0 | 실리카 | 4.0 | 30 | 20 | 50 |
실시예 2 | 가용성 나일론 | 5.0 | 실리카 | 4.0 | 30 | 20 | 50 |
실시예 3 | 가용성 나일론 | 5.0 | 실리카 | 4.0 | 30 | 20 | 40 |
실시예 4 | 가용성 나일론 | 5.0 | 실리카 | 4.0 | 30 | 20 | 40 |
실시예 5 | 가용성 나일론 | 5.0 | 실리카 | 4.0 | 30 | 20 | 30 |
실시예 6 | 가용성 나일론 | 5.0 | 실리카 | 4.0 | 30 | 20 | 30 |
실시예 7 | 가용성 나일론 | 5.0 | 실리카 | 4.0 | 30 | 20 | 30 |
실시예 8 | 가용성 나일론 | 5.0 | 실리카 | 4.0 | 30 | 20 | 30 |
실시예 9 | 가용성 나일론 | 5.0 | 실리카 | 4.0 | 30 | 20 | 20 |
실시예 10 | 가용성 나일론 | 5.0 | 실리카 | 4.0 | 30 | 20 | 20 |
실시예 11 | 가용성 나일론 | 5.0 | 실리카 | 4.0 | 30 | 20 | 10 |
실시예 12 | 가용성 나일론 | 5.0 | 실리카 | 4.0 | 30 | 20 | 10 |
실시예 13 | 가용성 나일론 | 5.0 | 실리카 | 2.5 | 150 | 12 | 50 |
실시예 14 | 가용성 나일론 | 5.0 | 실리카 | 2.5 | 150 | 12 | 50 |
실시예 15 | 가용성 나일론 | 5.0 | 실리카 | 2.5 | 150 | 12 | 40 |
실시예 16 | 가용성 나일론 | 5.0 | 실리카 | 2.5 | 150 | 12 | 40 |
실시예 17 | 가용성 나일론 | 5.0 | 실리카 | 2.5 | 150 | 12 | 30 |
실시예 18 | 가용성 나일론 | 5.0 | 실리카 | 2.5 | 150 | 12 | 30 |
실시예 19 | 가용성 나일론 | 5.0 | 실리카 | 2.5 | 150 | 12 | 30 |
실시예 20 | 가용성 나일론 | 5.0 | 실리카 | 2.5 | 150 | 12 | 30 |
실시예 21 | 가용성 나일론 | 5.0 | 실리카 | 2.5 | 150 | 12 | 20 |
실시예 22 | 가용성 나일론 | 5.0 | 실리카 | 2.5 | 150 | 12 | 20 |
바인더 수지 | 입자 | ||||||
종류 | εr1 | 종류 | εr2 | 오일 흡착량 [ml/100g] | 입자경[㎛] | 첨가량[phr] | |
실시예 23 | 가용성 나일론 | 5.0 | 실리카 | 2.5 | 150 | 12 | 10 |
실시예 24 | 가용성 나일론 | 5.0 | 실리카 | 2.5 | 150 | 12 | 10 |
실시예 25 | 가용성 나일론 | 5.0 | 실리카 | 1.5 | 300 | 5 | 50 |
실시예 26 | 가용성 나일론 | 5.0 | 실리카 | 1.5 | 300 | 5 | 50 |
실시예 27 | 가용성 나일론 | 5.0 | 실리카 | 1.5 | 300 | 5 | 40 |
실시예 28 | 가용성 나일론 | 5.0 | 실리카 | 1.5 | 300 | 5 | 40 |
실시예 29 | 가용성 나일론 | 5.0 | 실리카 | 1.5 | 300 | 5 | 30 |
실시예 30 | 가용성 나일론 | 5.0 | 실리카 | 1.5 | 300 | 5 | 30 |
실시예 31 | 가용성 나일론 | 5.0 | 실리카 | 1.5 | 300 | 5 | 30 |
실시예 32 | 가용성 나일론 | 5.0 | 실리카 | 1.5 | 300 | 5 | 30 |
실시예 33 | 가용성 나일론 | 5.0 | 실리카 | 1.5 | 300 | 5 | 20 |
실시예 34 | 가용성 나일론 | 5.0 | 실리카 | 1.5 | 300 | 5 | 20 |
실시예 35 | 가용성 나일론 | 5.0 | 실리카 | 1.5 | 300 | 5 | 10 |
실시예 36 | 가용성 나일론 | 5.0 | 실리카 | 1.5 | 300 | 5 | 10 |
실시예 37 | 가용성 나일론 | 5.0 | 올레핀 | 2.2 | - | 10 | 20 |
실시예 38 | 가용성 나일론 | 5.0 | 올레핀 | 2.2 | - | 10 | 20 |
실시예 39 | 가용성 나일론 | 5.0 | 올레핀 | 2.2 | - | 10 | 30 |
실시예 40 | 가용성 나일론 | 5.0 | 올레핀 | 2.2 | - | 10 | 30 |
비교예 1 | 가용성 나일론 | 5.0 | 우레탄 | 6.7 | - | 5 | 60 |
비교예 2 | 가용성 나일론 | 5.0 | 우레탄 | 6.7 | - | 5 | 60 |
비교예 3 | 가용성 나일론 | 5.0 | 우레탄 | 6.7 | - | 25 | 5 |
비교예 4 | 가용성 나일론 | 5.0 | 우레탄 | 6.7 | - | 25 | 5 |
도전성 수지층 | 대전 균일성 | 화상품질(Mottle) | ||||||
층두께[㎛] | Rz[㎛] | Sm[㎛] | 초기 | 360 kPV후 | ||||
1/1속도 | 1/2속도 | 1/1속도 | 1/2속도 | |||||
실시예 1 | 0.5 | 25.0 | 50.0 | A | A | A | A | 1.6 |
실시예 2 | 5.0 | 20.0 | 50.0 | A | A | A | A | 1.6 |
실시예 3 | 1.0 | 24.0 | 100.0 | A | A | A | A | 1.5 |
실시예 4 | 4.0 | 21.0 | 100.0 | A | A | A | A | 1.5 |
실시예 5 | 3.0 | 21.0 | 130.0 | A | A | A | A | 1.5 |
실시예 6 | 3.0 | 22.0 | 130.0 | A | A | A | A | 1.5 |
실시예 7 | 3.0 | 21.0 | 180.0 | A | A | A | A | 1.5 |
실시예 8 | 3.0 | 22.0 | 180.0 | A | A | A | A | 1.5 |
실시예 9 | 1.0 | 24.0 | 200.0 | A | A | A | A | 1.5 |
실시예 10 | 4.0 | 21.0 | 200.0 | A | A | A | A | 1.5 |
실시예 11 | 0.5 | 24.0 | 250.0 | A | A | A | A | 1.6 |
실시예 12 | 5.0 | 20.0 | 250.0 | A | A | A | A | 1.6 |
실시예 13 | 0.5 | 16.0 | 50.0 | A | A | A | A | 1.5 |
실시예 14 | 5.0 | 12.0 | 50.0 | A | A | B | B | 1.5 |
실시예 15 | 1.0 | 17.0 | 100.0 | A | A | A | A | 1.4 |
실시예 16 | 4.0 | 14.0 | 100.0 | A | A | B | B | 1.4 |
실시예 17 | 3.0 | 15.0 | 130.0 | A | A | A | A | 1.3 |
실시예 18 | 3.0 | 16.0 | 130.0 | A | A | A | A | 1.3 |
실시예 19 | 3.0 | 15.0 | 180.0 | A | A | A | A | 1.3 |
실시예 20 | 3.0 | 16.0 | 180.0 | A | A | A | A | 1.3 |
실시예 21 | 1.0 | 17.0 | 200.0 | A | A | A | A | 1.4 |
실시예 22 | 4.0 | 13.0 | 200.0 | A | A | B | B | 1.4 |
도전성 수지층 | 대전 균일성 | 화상품질(Mottle) | ||||||
층두께[㎛] | Rz[㎛] | Sm[㎛] | 초기 | 360 kPV후 | ||||
1/1속도 | 1/2속도 | 1/1속도 | 1/2속도 | |||||
실시예 23 | 0.5 | 17.0 | 250.0 | A | A | A | A | 1.5 |
실시예 24 | 5.0 | 13.0 | 250.0 | A | A | B | B | 1.5 |
실시예 25 | 0.5 | 5.0 | 50.0 | A | B | B | C | 1.4 |
실시예 26 | 5.0 | 7.0 | 50.0 | A | B | B | C | 1.4 |
실시예 27 | 1.0 | 10.0 | 100.0 | A | B | B | B | 1.3 |
실시예 28 | 4.0 | 7.0 | 100.0 | A | B | B | C | 1.3 |
실시예 29 | 3.0 | 8.0 | 130.0 | A | B | B | B | 1.2 |
실시예 30 | 3.0 | 9.0 | 130.0 | A | B | B | B | 1.2 |
실시예 31 | 3.0 | 8.0 | 180.0 | A | B | B | B | 1.2 |
실시예 32 | 3.0 | 9.0 | 180.0 | A | B | B | B | 1.2 |
실시예 33 | 1.0 | 10.0 | 200.0 | A | B | B | B | 1.3 |
실시예 34 | 4.0 | 7.0 | 200.0 | A | B | B | C | 1.3 |
실시예 35 | 0.5 | 7.0 | 250.0 | A | B | B | C | 1.4 |
실시예 36 | 5.0 | 7.0 | 250.0 | A | B | B | C | 1.4 |
실시예 37 | 3.0 | 12.0 | 130.0 | A | A | B | B | 1.3 |
실시예 38 | 3.0 | 15.0 | 130.0 | A | A | A | A | 1.3 |
실시예 39 | 3.0 | 12.0 | 180.0 | A | A | B | B | 1.3 |
실시예 40 | 3.0 | 15.0 | 180.0 | A | A | A | A | 1.3 |
비교예 1 | 0.5 | 5.0 | 20.0 | D | D | D | D | 1.8 |
비교예 2 | 5.0 | 7.0 | 20.0 | D | D | D | D | 1.8 |
비교예 3 | 0.5 | 30 | 300 | A | A | A | A | 1.8 |
비교예 4 | 5.0 | 28 | 300 | A | A | A | A | 1.8 |
2: 도전성 탄성체층,
3: 도전성 수지층,
3a: 바인더 수지,
3b: 입자,
10: 대전 부재:
30: 전자사진 감광체,
100: 전자사진 화상형성장치,
11: 반도체 레이저(노광 수단),
12: 보정 광학계,
13: 회전 다면경,
14: f-θ 렌즈,
16: 현상 장치(현상 수단),
17: 전사 장치(전사 수단),
18: 클리닝 장치(클리닝 수단),
19: 정착 장치(정착 수단),
20: 제어 회로,
21: 화상 수용체.
Claims (15)
- 도전성 지지체; 상기 도전성 지지체 상에 적층된 도전성 탄성체층; 및, 상기 도전성 탄성체층 상에 최외층으로서 적층된 도전성 수지층;을 포함하고,
상기 도전성 수지층이 바인더 수지; 및, 수지 입자 및 무기 입자로 이루어지는 군에서 선택되는 적어도 1종의 입자;를 함유하고,
상기 바인더 수지의 비유전율이 εr1이고 상기 입자의 비유전율이 εr2일 때, εr2<εr1의 조건을 만족하는,
대전 부재. - 제 1 항에 있어서, 상기 εr2가 약 1.5 내지 약 4.0인, 대전 부재.
- 제 1 항에 있어서, 상기 도전성 수지층의 두께가 약 0.5 ㎛ 내지 약 5.0 ㎛인, 대전 부재.
- 제 1 항에 있어서, 상기 도전성 수지층의 십점 평균 조도(RzJIS)가 약 5.0 ㎛ 내지 약 25.0 ㎛이고, 상기 입자의 입자간 거리(Sm)가 약 50 ㎛ 내지 약 250 ㎛인, 대전 부재.
- 제 1 항에 있어서, 상기 입자의 평균 입자경이 약 5.0 ㎛ 내지 약 25.0 ㎛인, 대전 부재.
- 제 1 항에 있어서, 상기 입자의 함유량이, 상기 바인더 수지 100 질량부를 기준으로 하여, 약 10 질량부 내지 약 50 질량부인, 대전 부재.
- 제 1 항에 있어서, 상기 수지 입자가 올레핀계 수지 입자이고, 상기 무기 입자가 실리카 입자인, 대전 부재.
- 제 1 항에 있어서, 상기 무기 입자가 다공질 구조를 갖는, 대전 부재.
- 제 1 항에 있어서, 상기 무기 입자의 오일 흡착량이 약 30 ml/100g 내지 약 300 ml/100g인, 대전 부재.
- 제 1 항에 있어서, 상기 수지 입자가 초고분자량 폴리에틸렌 입자인 대전 부재.
- 전자사진 감광체; 상기 전자사진 감광체를 대전시키는 대전 부재; 상기 전자사진 감광체에 대해 노광을 행하여 상기 전자사진 감광체 상에 정전 잠상을 형성하는 상 노광 수단; 상기 전자사진 감광체 상에 형성된 정전 잠상을 토너로 현상하여 토너상을 형성하는 현상 수단; 상기 토너상을 전사재에 전사한 후의 상기 전자사진 감광체 상에 남는 토너를 제거하는 클리닝 수단; 및, 상기 토너상을 화상 수용체로 전사하는 전사 수단;을 포함하는 전자사진 화상형성장치에 있어서,
상기 대전 부재가 도전성 지지체; 상기 도전성 지지체 상에 적층된 도전성 탄성체층; 및, 상기 도전성 탄성체층 상에 최외층으로서 적층된 도전성 수지층;을 포함하고,
상기 도전성 수지층이 바인더 수지; 및, 수지 입자 및 무기 입자로 이루어지는 군에서 선택되는 적어도 1종의 입자;를 함유하고,
상기 바인더 수지의 비유전율이 εr1이고 상기 입자의 비유전율이 εr2일 때, εr2<εr1의 조건을 만족하는,
전자사진 화상형성장치. - 제 11 항에 있어서, 상기 εr2가 약 1.5 내지 약 4.0인, 전자사진 화상형성장치.
- 제 11 항에 있어서, 상기 도전성 수지층의 두께가 약 0.5 ㎛ 내지 약 5.0 ㎛인, 전자사진 화상형성장치.
- 제 11 항에 있어서, 상기 도전성 수지층의 십점 평균 조도(RzJIS)가 약 5.0 ㎛ 내지 약 25.0 ㎛이고, 상기 입자의 입자간 거리(Sm)가 약 50 ㎛ 내지 약 250 ㎛인, 전자사진 화상형성장치.
- 제 11 항에 있어서,
상기 입자의 평균 입자경이 약 5.0 ㎛ 내지 약 25.0 ㎛이거나;
상기 입자의 함유량이, 상기 바인더 수지 100 질량부를 기준으로 하여, 약 10 질량부 내지 약 50 질량부이거나;
상기 수지 입자가 올레핀계 수지 입자이고, 상기 무기 입자가 실리카 입자이거나;
상기 무기 입자가 다공질 구조를 갖거나;
상기 무기 입자의 오일 흡착량이 약 30 ml/100g 내지 약 300 ml/100g이거나; 및/또는
상기 대전 부재에 직류 전압만이 인가되는;
전자사진 화상형성장치.
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PCT/KR2016/013677 WO2017091026A1 (ko) | 2015-11-27 | 2016-11-25 | 대전 부재 및 이를 채용한 전자사진 화상형성장치 |
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