KR960008443A - Two-Component System Developer - Google Patents

Two-Component System Developer Download PDF

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Publication number
KR960008443A
KR960008443A KR1019950027435A KR19950027435A KR960008443A KR 960008443 A KR960008443 A KR 960008443A KR 1019950027435 A KR1019950027435 A KR 1019950027435A KR 19950027435 A KR19950027435 A KR 19950027435A KR 960008443 A KR960008443 A KR 960008443A
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South Korea
Prior art keywords
resin
component developer
coating layer
weight
toner
Prior art date
Application number
KR1019950027435A
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Korean (ko)
Inventor
마사토미 후나토
마모루 카토
세이지로 이시마루
카즈야 나가오
토모히데 이이다
히데아키 카와타
요시테루 하타세
노부아키 카와노
노리오 쿠보
테루미치 아사노
히데카즈 타무라
카즈히코 후지이
요시타케 시미즈
Original Assignee
미타 요시히로
미타 고교 가부시키가이샤
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Publication date
Priority claimed from JP6207447A external-priority patent/JPH0876422A/en
Priority claimed from JP6207413A external-priority patent/JPH0876414A/en
Priority claimed from JP6207448A external-priority patent/JPH0876423A/en
Priority claimed from JP6207414A external-priority patent/JPH0876415A/en
Priority claimed from JP6207415A external-priority patent/JPH0876416A/en
Application filed by 미타 요시히로, 미타 고교 가부시키가이샤 filed Critical 미타 요시히로
Publication of KR960008443A publication Critical patent/KR960008443A/en

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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
    • 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
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1132—Macromolecular components of coatings
    • G03G9/1135—Macromolecular components of coatings obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G9/1136—Macromolecular components of coatings obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon atoms
    • 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
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
    • G03G9/108—Ferrite carrier, e.g. magnetite
    • G03G9/1085—Ferrite carrier, e.g. magnetite with non-ferrous metal oxide, e.g. MgO-Fe2O3
    • 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
    • G03G9/083—Magnetic toner particles
    • 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
    • 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
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
    • G03G9/1075—Structural characteristics of the carrier particles, e.g. shape or crystallographic structure
    • 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
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
    • G03G9/108—Ferrite carrier, e.g. magnetite
    • 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
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1132—Macromolecular components of coatings
    • G03G9/1133—Macromolecular components of coatings obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1132—Macromolecular components of coatings
    • G03G9/1135—Macromolecular components of coatings obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1132—Macromolecular components of coatings
    • G03G9/1137—Macromolecular components of coatings being crosslinked

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Developing Agents For Electrophotography (AREA)

Abstract

1. 청구범위에 기재된 발명이 속한 기술분야1. TECHNICAL FIELD OF THE INVENTION

본 발명은 전자사진용 2성분계현상제에 관한 것이다.The present invention relates to a two-component developer for electrophotography.

2. 발명이 해결하려고 하는 기술적 과제2. The technical problem to be solved by the invention

토너와 캐리어를 함유하는 2성분계현상제를 제공하는데 있다.It is to provide a two-component developer containing a toner and a carrier.

3. 발명의 해결방법의 요지3. Summary of Solution to Invention

이 토너의 토너입자는 정착용 수지 및 그 수지중에 분산된 자성분말을 함유하고 그 정착용 수지는 음이온성 극성기를 갖는 수지를 함유한 조성물로 되며 그 자성분말은 그 정착용 수지 100중량부에 대하여 0.1에서 5중량부의 비율로 그 토너입자중에 함유된다.The toner particles of this toner contain a fixing resin and a magnetic powder dispersed in the resin, and the fixing resin is a composition containing a resin having an anionic polar group, and the magnetic powder is based on 100 parts by weight of the fixing resin. It is contained in the toner particles in a ratio of 0.1 to 5 parts by weight.

상기 캐리어중의 입자는 코어입자를 피복하는 피복층을 갖으며 그 코어입자는 다음식(A)로 표시되는 자성재료로 된다.The particles in the carrier have a coating layer covering the core particles, and the core particles are made of a magnetic material represented by the following formula (A).

MOFe2O3(A)MOFe 2 O 3 (A)

여기서 M은 Cu, Zn, Fe, Ba, Ni, Mn, A1 및 Co로 되는 무리에서 선택되는 적어도 1종의 금속이다.M is at least 1 sort (s) of metal chosen from the group which consists of Cu, Zn, Fe, Ba, Ni, Mn, A1, and Co here.

4 발명의 중요한 용도4 Important uses of the invention

정전식복사기, 레이저빔프린터등의 전자사진식 화상형성장치에 있어서 매우 적당하게 사용되는 전하제어제를 갖지 않은 토너를 그리고 피복층을 갖는 캐리어를 포함하는 2성분계현상제이다.It is a two-component developer comprising a toner having no charge control agent and a carrier having a coating layer, which are very suitably used in an electrophotographic image forming apparatus such as an electrostatic copying machine and a laser beam printer.

Description

2성분계현상제Two-Component System Developer

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 현상제의 메탄올추출액의 파장 200∼700㎚에 있어서의 흡광도를 나타내는 그래프.1 is a graph showing the absorbance at a wavelength of 200 to 700 nm of the methanol extract of the developer of the present invention.

제5도는 대전제어제를 함유하는 토너와 자성캐리어와의 혼합, 교반 혹은 대전제어체를 함유하지 않는 토너와 자성캐리어와를 혼합, 교반하는 조작을 계속한 경우에 혼합, 교반시간과 스펜트율과의 관계를 나타내는 그래프.FIG. 5 shows the mixing, stirring time, and span ratio of the toner containing the charge control agent and the magnetic carrier when mixing, stirring, or mixing and stirring the toner without the charge control body and the magnetic carrier are continued. Graph showing the relationship.

제10도는 알킬화멜라민수지를 이용, 캐리어의 입자와 피복층을 형성한 경우에 있어서 피복층의 요철발생과 알킬화멜라민수지의 분자량 및 알킬기의 탄소수와의 관계를 나타내는 그래프.FIG. 10 is a graph showing the relationship between the uneven generation of the coating layer, the molecular weight of the alkylated melamine resin and the carbon number of the alkyl group in the case where the carrier particles and the coating layer are formed using the alkylated melamine resin.

Claims (14)

토너와 캐리어를 함유하는 2성분계현상제에 있어서, 그 토너가 토너입자를 함유하고 그 토너입자가 정착용 수지 및 그 수지중에 분산된 자성분말을 함유하고 그 정착용 수지가 음이온성 극성기를 갖는 수지를 함유하는 조성물로 되며, 그 자성분말이 그 정착용 수지 100중량부에 대하여 0.1에서 5중량부의 비율로 그 토너입자중에 함유되어, 그 캐리어입자가 코어입자와 그 코어입자를 피복하는 피복층을 갖고, 그 코어입자는 다음식(A)로 나타내는 자성재료로 되어 ;A two-component developer containing a toner and a carrier, wherein the toner contains toner particles, the toner particles contain a fixing resin and magnetic powder dispersed in the resin, and the fixing resin has an anionic polar group. Wherein the magnetic powder is contained in the toner particles in a ratio of 0.1 to 5 parts by weight based on 100 parts by weight of the fixing resin, and the carrier particles have a coating layer covering the core particles and the core particles. The core particle is made of a magnetic material represented by the following formula (A); MOFe2O3(A)MOFe 2 O 3 (A) (여기서 M은 Cu, Zn, Fe, Ba, Ni, Mg, Mn, Al 및 Co로 되는 무리(群)에서 선택되는 적어도 1종의 금속이다.) 있는 것을 특징으로 하는 2성분계현상제.(Wherein, M is at least one metal selected from the group consisting of Cu, Zn, Fe, Ba, Ni, Mg, Mn, Al, and Co.) A two-component developer characterized in that there is. 제1항에 있어서, 토너를 메탄올로 추출하였을때의 추출액이 280에서 350㎚의 영역에 실질적으로 흡수피크를 갖지 않고 400에서 700㎚의 영역에 있어서의 흡광도가 실질적으로 영(0)인 것을 득징으로 하는 2성분계현상제.The method according to claim 1, wherein the extract when the toner is extracted with methanol has substantially no absorption peak in the region of 280 to 350 nm, and the absorbance in the region of 400 to 700 nm is substantially zero. A two component developer. 제1항에 있어서, 자성분말이 상기 정착용 수지 100중량부에 대하여 0.5에서 3중량부의 비율로 함유되는 것을 특징으로 하는 2성분계현상제.The two-component developer according to claim 1, wherein the magnetic powder is contained in a proportion of 0.5 to 3 parts by weight based on 100 parts by weight of the fixing resin. 제1항에 있어서, 토너입자의 체적기준평균입자직경이 5에서 15㎛이며 그 토너입자표면에 체적기준평균 입자직경이 0.05에서 1.0㎛의 스페이서입자가 부착되어 있는 것을 특징으로 하는 2성분계현상제.2. The two-component developer according to claim 1, wherein the volume average particle diameter of the toner particles is from 5 to 15 mu m and spacer particles having a volume basis average particle diameter of 0.05 to 1.0 mu m are attached to the surface of the toner particles. . 제1항에 있어서, 피복층이 양이온성 극성기를 갖는 수지를 함유하는 수지조성물로되는 것을 특징으로 하는 2성분계현상제.The two-component developer according to claim 1, wherein the coating layer is a resin composition containing a resin having a cationic polar group. 제1항에 있어서, 피복층이 알킬화멜라민수지와 아크릴변성실리콘 수지를 함유하는 수지조성물로 되며, 그 알킬화멜라민수지의 중량평균분자량 M가 다음의 (B)로 나타내는,The coating layer is a resin composition containing an alkylated melamine resin and an acrylic modified silicone resin, wherein the weight average molecular weight M of the alkylated melamine resin is represented by the following (B), M1100C-400 (B)M 1100C-400 (B) (여기서 C는 그 알킬화멜라민수지의 알킬기중의 탄소수를 나타낸다.)것을 특징으로 하는 2성분계현상제.(C represents the carbon number in the alkyl group of the alkylated melamine resin.) A two-component developer characterized in that. 제1항에 있어서, 피복층이 메칠실리콘수지와 메칠화멜라민수지를 함유하는 조성물로 되며, 그 메질화멜라민수지의 중량평균분자량이 700이상인 것을 특징으로 하는 2성분계현상제.The two-component developer according to claim 1, wherein the coating layer is a composition containing a methyl silicone resin and a methylated melamine resin, and the weight average molecular weight of the methylated melamine resin is 700 or more. 제1항에 있어서, 피복층이 T단위를 70mo1% 이상 함유하는 메칠실리콘수지를 함유하는 수지 조성물로 된 것을 특징으로 하는 2성분계현상제.The two-component developer according to claim 1, wherein the coating layer is made of a resin composition containing a methyl silicone resin containing 70 mol% or more of T units. 제1항에 있어서, 피복층이 열경화성 수지 및 열가소성 수지를 함유하고 열가소성 수시가 제4급 암모늄기를 갖는 수지조성물로 되며, 그 제4급 암모늄기를 함유량이 그 수지조성물 100g에 대하여 0.1에서 20mmo1인 것을 특징으로 하는 2성분계현상제.The coating layer according to claim 1, wherein the coating layer contains a thermosetting resin and a thermoplastic resin, and the thermoplastic occasion is a resin composition having a quaternary ammonium group, and the quaternary ammonium group content is 0.1 to 20 mmol based on 100 g of the resin composition. A two component developer. 제1항에 있어서, 피복층이 열경화성 수지를 함유하고, 그 피복층의 경화도가 85% 이상인 것을 특징으로 하는 2성분계현상제.The two-component developer according to claim 1, wherein the coating layer contains a thermosetting resin, and the degree of curing of the coating layer is 85% or more. 제1항에 있어서, 피복층의 중량이 상기 코어입자 100중량부에 대하여 0.01에서 2.5중량부인 것을 특징으로 하는 2성분계현상제.The two-component developer according to claim 1, wherein the weight of the coating layer is 0.01 to 2.5 parts by weight based on 100 parts by weight of the core particles. 제9항 또는 제10항에 있어서, 열경화성 수지가 변성 또는 미변성의 실리콘수지, 열경화성 아크릴수지, 열경화성 스틸렌-아크릴수지, 페놀수지, 우레탄수지, 열경화성폴리에스텔수지, 에폭시수지 및 아미노수지로 되는 무리에서 선택되는 적어도 1종인 것을 특징으로 하는 2성분계현상제.The group according to claim 9 or 10, wherein the thermosetting resin is a modified or unmodified silicone resin, a thermosetting acrylic resin, a thermosetting styrene-acrylic resin, a phenol resin, a urethane resin, a thermosetting polyester resin, an epoxy resin, and an amino resin. A two-component developer, characterized in that at least one selected from. 제5항에 있어서, 양이온성극성기를 갖는 수지가 염기성질소함유기를 갖는 수지인 것을 특징으로 하는 2성분계현상제.The two-component developer according to claim 5, wherein the resin having a cationic polar group is a resin having a basic nitrogen-containing group. 제1항에 있어서, 코어입자의 입자식경이 50에서 150㎛인 것을 특징으로 하는 2성분계현상제.The two-component developer according to claim 1, wherein the particle diameter of the core particles is 50 to 150 mu m. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950027435A 1994-08-31 1995-08-30 Two-Component System Developer KR960008443A (en)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP6207447A JPH0876422A (en) 1994-08-31 1994-08-31 Binary system developer
JP6207413A JPH0876414A (en) 1994-08-31 1994-08-31 Binary system developer
JP94-207448 1994-08-31
JP94-207414 1994-08-31
JP94-207447 1994-08-31
JP6207448A JPH0876423A (en) 1994-08-31 1994-08-31 Binary system developer
JP94-207415 1994-08-31
JP6207414A JPH0876415A (en) 1994-08-31 1994-08-31 Binary system developer
JP94-207413 1994-08-31
JP6207415A JPH0876416A (en) 1994-08-31 1994-08-31 Binary system developer

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KR960008443A true KR960008443A (en) 1996-03-22

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EP0801335B1 (en) * 1996-04-08 2001-08-29 Canon Kabushiki Kaisha Magnetic coated carrier, two-component type developer and developing method
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