CA2076847C - Toner et revelateur a additifs de surface - Google Patents

Toner et revelateur a additifs de surface Download PDF

Info

Publication number: CA2076847C
Authority: CA; Canada
Prior art keywords: developer composition; accordance; comprised; toner; percent
Prior art date: 1991-09-10
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.): Expired - Fee Related

Application number

CA 2076847

Other languages

English (en)

Other versions

CA2076847A1 (fr

Inventor

Raymond L. Sommers

John J. Kopko

Julie C. Pickering

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Xerox Corp

Original Assignee

Xerox Corp

Priority date (The priority date 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 date listed.)

1991-09-10

Filing date

1992-08-25

Publication date

2001-06-19

1992-08-25 Application filed by Xerox Corp filed Critical Xerox Corp

1993-03-11 Publication of CA2076847A1 publication Critical patent/CA2076847A1/fr

2001-06-19 Application granted granted Critical

2001-06-19 Publication of CA2076847C publication Critical patent/CA2076847C/fr

2012-08-25 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

239000000203 mixture Substances 0.000 title claims abstract description 79
239000000654 additive Substances 0.000 title claims abstract description 52
239000002245 particle Substances 0.000 claims abstract description 42
239000011347 resin Substances 0.000 claims abstract description 37
229920005989 resin Polymers 0.000 claims abstract description 37
230000000996 additive effect Effects 0.000 claims abstract description 33
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 31
238000000576 coating method Methods 0.000 claims abstract description 22
229910000859 α-Fe Inorganic materials 0.000 claims abstract description 22
239000011248 coating agent Substances 0.000 claims abstract description 21
-1 quaternary ammonium salt compound Chemical class 0.000 claims abstract description 16
239000006229 carbon black Substances 0.000 claims abstract description 15
230000002708 enhancing effect Effects 0.000 claims abstract description 15
150000002440 hydroxy compounds Chemical class 0.000 claims abstract description 13
239000008119 colloidal silica Substances 0.000 claims abstract description 11
SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 11
229920002959 polymer blend Polymers 0.000 claims abstract description 9
238000000034 method Methods 0.000 claims description 49
239000000049 pigment Substances 0.000 claims description 47
238000003384 imaging method Methods 0.000 claims description 34
229920000642 polymer Polymers 0.000 claims description 23
238000011161 development Methods 0.000 claims description 16
PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 13
229920003048 styrene butadiene rubber Polymers 0.000 claims description 13
239000000758 substrate Substances 0.000 claims description 13
MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical class C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 12
239000002174 Styrene-butadiene Substances 0.000 claims description 10
239000011115 styrene butadiene Substances 0.000 claims description 10
239000000377 silicon dioxide Substances 0.000 claims description 8
FPDLLPXYRWELCU-UHFFFAOYSA-M dimethyl(dioctadecyl)azanium;methyl sulfate Chemical group COS([O-])(=O)=O.CCCCCCCCCCCCCCCCCC[N+](C)(C)CCCCCCCCCCCCCCCCCC FPDLLPXYRWELCU-UHFFFAOYSA-M 0.000 claims description 7
229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 7
229920000728 polyester Polymers 0.000 claims description 7
239000004926 polymethyl methacrylate Substances 0.000 claims description 7
CVEPFOUZABPRMK-UHFFFAOYSA-N 2-methylprop-2-enoic acid;styrene Chemical class CC(=C)C(O)=O.C=CC1=CC=CC=C1 CVEPFOUZABPRMK-UHFFFAOYSA-N 0.000 claims description 6
PYNUOAIJIQGACY-UHFFFAOYSA-N propylazanium;chloride Chemical compound Cl.CCCN PYNUOAIJIQGACY-UHFFFAOYSA-N 0.000 claims description 6
230000015572 biosynthetic process Effects 0.000 claims description 5
HXHCOXPZCUFAJI-UHFFFAOYSA-N prop-2-enoic acid;styrene Chemical class OC(=O)C=C.C=CC1=CC=CC=C1 HXHCOXPZCUFAJI-UHFFFAOYSA-N 0.000 claims description 5
239000000839 emulsion Substances 0.000 claims description 4
239000002033 PVDF binder Substances 0.000 claims description 2
229920002981 polyvinylidene fluoride Polymers 0.000 claims description 2
150000003856 quaternary ammonium compounds Chemical class 0.000 claims description 2
235000012239 silicon dioxide Nutrition 0.000 claims description 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 6
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 6
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 3
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 3
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 3
229910052802 copper Inorganic materials 0.000 claims 3
239000010949 copper Substances 0.000 claims 3
229910052742 iron Inorganic materials 0.000 claims 3
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims 3
229910052759 nickel Inorganic materials 0.000 claims 3
229910052760 oxygen Inorganic materials 0.000 claims 3
239000001301 oxygen Substances 0.000 claims 3
239000011701 zinc Substances 0.000 claims 3
229910052725 zinc Inorganic materials 0.000 claims 3
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 2
125000000217 alkyl group Chemical group 0.000 claims 2
CBOIHMRHGLHBPB-UHFFFAOYSA-N hydroxymethyl Chemical compound O[CH2] CBOIHMRHGLHBPB-UHFFFAOYSA-N 0.000 claims 2
229910052749 magnesium Inorganic materials 0.000 claims 2
239000011777 magnesium Substances 0.000 claims 2
108091008695 photoreceptors Proteins 0.000 description 12
235000019241 carbon black Nutrition 0.000 description 10
239000000969 carrier Substances 0.000 description 8
TXWSZJSDZKWQAU-UHFFFAOYSA-N 2,9-dimethyl-5,12-dihydroquinolino[2,3-b]acridine-7,14-dione Chemical compound N1C2=CC=C(C)C=C2C(=O)C2=C1C=C(C(=O)C=1C(=CC=C(C=1)C)N1)C1=C2 TXWSZJSDZKWQAU-UHFFFAOYSA-N 0.000 description 6
239000000463 material Substances 0.000 description 6
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
238000002156 mixing Methods 0.000 description 5
NJVOHKFLBKQLIZ-UHFFFAOYSA-N (2-ethenylphenyl) prop-2-enoate Chemical compound C=CC(=O)OC1=CC=CC=C1C=C NJVOHKFLBKQLIZ-UHFFFAOYSA-N 0.000 description 4
BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 4
MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 4
JQXYBDVZAUEPDL-UHFFFAOYSA-N 2-methylidene-5-phenylpent-4-enoic acid Chemical compound OC(=O)C(=C)CC=CC1=CC=CC=C1 JQXYBDVZAUEPDL-UHFFFAOYSA-N 0.000 description 4
229910002012 Aerosil® Inorganic materials 0.000 description 4
229920006370 Kynar Polymers 0.000 description 4
229910000831 Steel Inorganic materials 0.000 description 4
229920001577 copolymer Polymers 0.000 description 4
229920000058 polyacrylate Polymers 0.000 description 4
239000000843 powder Substances 0.000 description 4
150000003839 salts Chemical class 0.000 description 4
239000010959 steel Substances 0.000 description 4
239000000126 substance Substances 0.000 description 4
229910052782 aluminium Inorganic materials 0.000 description 3
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
YMKDRGPMQRFJGP-UHFFFAOYSA-M cetylpyridinium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+]1=CC=CC=C1 YMKDRGPMQRFJGP-UHFFFAOYSA-M 0.000 description 3
229960001927 cetylpyridinium chloride Drugs 0.000 description 3
239000003086 colorant Substances 0.000 description 3
TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 3
229910052751 metal Inorganic materials 0.000 description 3
239000002184 metal Substances 0.000 description 3
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
238000002360 preparation method Methods 0.000 description 3
LHYQAEFVHIZFLR-UHFFFAOYSA-L 4-(4-diazonio-3-methoxyphenyl)-2-methoxybenzenediazonium;dichloride Chemical compound [Cl-].[Cl-].C1=C([N+]#N)C(OC)=CC(C=2C=C(OC)C([N+]#N)=CC=2)=C1 LHYQAEFVHIZFLR-UHFFFAOYSA-L 0.000 description 2
KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
241000872198 Serjania polyphylla Species 0.000 description 2
240000008042 Zea mays Species 0.000 description 2
235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 2
235000002017 Zea mays subsp mays Nutrition 0.000 description 2
238000001816 cooling Methods 0.000 description 2
235000005822 corn Nutrition 0.000 description 2
238000004132 cross linking Methods 0.000 description 2
235000014113 dietary fatty acids Nutrition 0.000 description 2
239000000194 fatty acid Substances 0.000 description 2
229930195729 fatty acid Natural products 0.000 description 2
150000004665 fatty acids Chemical class 0.000 description 2
239000010419 fine particle Substances 0.000 description 2
RBTKNAXYKSUFRK-UHFFFAOYSA-N heliogen blue Chemical compound [Cu].[N-]1C2=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=NC([N-]1)=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=N2 RBTKNAXYKSUFRK-UHFFFAOYSA-N 0.000 description 2
239000011810 insulating material Substances 0.000 description 2
238000012986 modification Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
239000011368 organic material Substances 0.000 description 2
239000008188 pellet Substances 0.000 description 2
229920001897 terpolymer Polymers 0.000 description 2
238000012546 transfer Methods 0.000 description 2
239000001052 yellow pigment Substances 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
VPWFPZBFBFHIIL-UHFFFAOYSA-L Lithol Rubine Chemical compound OC=1C(=CC2=CC=CC=C2C1N=NC1=C(C=C(C=C1)C)S(=O)(=O)[O-])C(=O)[O-].[Na+].[Na+] VPWFPZBFBFHIIL-UHFFFAOYSA-L 0.000 description 1
239000008896 Opium Substances 0.000 description 1
229920013620 Pliolite Polymers 0.000 description 1
NRCMAYZCPIVABH-UHFFFAOYSA-N Quinacridone Chemical compound N1C2=CC=CC=C2C(=O)C2=C1C=C1C(=O)C3=CC=CC=C3NC1=C2 NRCMAYZCPIVABH-UHFFFAOYSA-N 0.000 description 1
244000090689 Rumex alpinus Species 0.000 description 1
BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
101710097943 Viral-enhancing factor Proteins 0.000 description 1
229910001308 Zinc ferrite Inorganic materials 0.000 description 1
230000002411 adverse Effects 0.000 description 1
229910021417 amorphous silicon Inorganic materials 0.000 description 1
150000004982 aromatic amines Chemical class 0.000 description 1
HFACYLZERDEVSX-UHFFFAOYSA-N benzidine Chemical compound C1=CC(N)=CC=C1C1=CC=C(N)C=C1 HFACYLZERDEVSX-UHFFFAOYSA-N 0.000 description 1
239000011230 binding agent Substances 0.000 description 1
DFYKHEXCUQCPEB-UHFFFAOYSA-N butyl 2-methylprop-2-enoate;styrene Chemical compound C=CC1=CC=CC=C1.CCCCOC(=O)C(C)=C DFYKHEXCUQCPEB-UHFFFAOYSA-N 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
229960004830 cetylpyridinium Drugs 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
238000004040 coloring Methods 0.000 description 1
239000002131 composite material Substances 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
238000011109 contamination Methods 0.000 description 1
238000010924 continuous production Methods 0.000 description 1
230000007547 defect Effects 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000013461 design Methods 0.000 description 1
238000009826 distribution Methods 0.000 description 1
230000005684 electric field Effects 0.000 description 1
230000001747 exhibiting effect Effects 0.000 description 1
238000001125 extrusion Methods 0.000 description 1
238000000227 grinding Methods 0.000 description 1
125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
235000010187 litholrubine BK Nutrition 0.000 description 1
238000005259 measurement Methods 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
229910044991 metal oxide Inorganic materials 0.000 description 1
239000003094 microcapsule Substances 0.000 description 1
WNWZKKBGFYKSGA-UHFFFAOYSA-N n-(4-chloro-2,5-dimethoxyphenyl)-2-[[2,5-dimethoxy-4-(phenylsulfamoyl)phenyl]diazenyl]-3-oxobutanamide Chemical compound C1=C(Cl)C(OC)=CC(NC(=O)C(N=NC=2C(=CC(=C(OC)C=2)S(=O)(=O)NC=2C=CC=CC=2)OC)C(C)=O)=C1OC WNWZKKBGFYKSGA-UHFFFAOYSA-N 0.000 description 1
229960001027 opium Drugs 0.000 description 1
150000004028 organic sulfates Chemical class 0.000 description 1
230000035699 permeability Effects 0.000 description 1
125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
229920000515 polycarbonate Polymers 0.000 description 1
239000004417 polycarbonate Substances 0.000 description 1
229920000915 polyvinyl chloride Polymers 0.000 description 1
239000004800 polyvinyl chloride Substances 0.000 description 1
229920002620 polyvinyl fluoride Polymers 0.000 description 1
238000012552 review Methods 0.000 description 1
PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 1
229910052711 selenium Inorganic materials 0.000 description 1
239000011669 selenium Substances 0.000 description 1
230000035945 sensitivity Effects 0.000 description 1
150000004760 silicates Chemical class 0.000 description 1
230000003595 spectral effect Effects 0.000 description 1
150000003871 sulfonates Chemical class 0.000 description 1
XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
229910001887 tin oxide Inorganic materials 0.000 description 1
238000009966 trimming Methods 0.000 description 1

Classifications

- 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
- G03G9/08775—Natural macromolecular compounds or derivatives thereof
- G03G9/08782—Waxes
- 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
- G03G9/097—Plasticisers; Charge controlling agents
- G03G9/09708—Inorganic compounds
- G03G9/09716—Inorganic compounds treated with organic compounds

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Spectroscopy & Molecular Physics (AREA)
Chemical & Material Sciences (AREA)
Inorganic Chemistry (AREA)
Developing Agents For Electrophotography (AREA)

CA 2076847 1991-09-10 1992-08-25 Toner et revelateur a additifs de surface Expired - Fee Related CA2076847C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US75710691A	1991-09-10	1991-09-10
US757,106		1991-09-10

Publications (2)

Publication Number	Publication Date
CA2076847A1 CA2076847A1 (fr)	1993-03-11
CA2076847C true CA2076847C (fr)	2001-06-19

Family

ID=25046376

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2076847 Expired - Fee Related CA2076847C (fr)	1991-09-10	1992-08-25	Toner et revelateur a additifs de surface

Country Status (4)

Country	Link
EP (1)	EP0532320B1 (fr)
JP (1)	JPH0769630B2 (fr)
CA (1)	CA2076847C (fr)
DE (1)	DE69215806T2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6190814B1 (en) *	1994-04-28	2001-02-20	Xerox Corporation	Modified silica particles

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1148785A (fr) *	1980-01-28	1983-06-28	Philip G. Horton	Visualisation electrostatographique a l'aide de particules porteuses revetues de poly(fluorure de vinylidene)
US4965158A (en) *	1986-08-01	1990-10-23	Xerox Corporation	Toner compositions with modified charge enhancing additives
US4883736A (en) *	1987-01-20	1989-11-28	Xerox Corporation	Electrophotographic toner and developer compositions with polymeric alcohol waxes
US5021317A (en) *	1987-10-28	1991-06-04	Konica Corporation	Electrostatic latent image developer with toner particles surface treated with a polysiloxane having ammonium salt functional groups
US4859550A (en) *	1988-09-02	1989-08-22	Xerox Corporation	Smear resistant magnetic image character recognition processes
US4971882A (en) *	1988-12-22	1990-11-20	Xerox Corporation	Toner and developer compositions with waxes and charge enhancing additives
JP2802762B2 (ja) *	1989-01-11	1998-09-24	コニカ株式会社	静電潜像現像剤
US4912005A (en) *	1989-01-26	1990-03-27	Xerox Corporation	Toner and developer compositions with conductive carrier components

1992
- 1992-08-25 CA CA 2076847 patent/CA2076847C/fr not_active Expired - Fee Related
- 1992-09-01 JP JP4233712A patent/JPH0769630B2/ja not_active Expired - Lifetime
- 1992-09-10 DE DE1992615806 patent/DE69215806T2/de not_active Expired - Fee Related
- 1992-09-10 EP EP19920308236 patent/EP0532320B1/fr not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CA2076847A1 (fr)	1993-03-11
EP0532320B1 (fr)	1996-12-11
JPH05197194A (ja)	1993-08-06
EP0532320A1 (fr)	1993-03-17
JPH0769630B2 (ja)	1995-07-31
DE69215806D1 (de)	1997-01-23
DE69215806T2 (de)	1997-06-12

Legal Events

Date	Code	Title	Description
1992-08-25	EEER	Examination request
2002-08-26	MKLA	Lapsed

Publication	Publication Date	Title
US4948686A (en)	1990-08-14	Process for forming two-color images
US4696880A (en)	1987-09-29	Method and apparatus for reproducing multi-color image and photoreceptor thereof
US5275905A (en)	1994-01-04	Magenta toner compositions
US5071727A (en)	1991-12-10	Positively chargeable electrostatic toner containing organic metal complex or organic nitrogen, phosphino or metal compound
US5278019A (en)	1994-01-11	Passivated green toner composition
US5087538A (en)	1992-02-11	Toner and imaging processes
US5208129A (en)	1993-05-04	Passivated toner compositions comprising positive charge enhancing additive
CA2076847C (fr)	2001-06-19	Toner et revelateur a additifs de surface
US5075185A (en)	1991-12-24	Imaging process comprising tri-level imaging area and an aluminum complex charge enhancing additive
US5281502A (en)	1994-01-25	Tri-level imaging processes with adjustable color
US4701389A (en)	1987-10-20	Photoconductive toner
US5561013A (en)	1996-10-01	Magenta toner and imaging processes
US5288580A (en)	1994-02-22	Toner and processes thereof
US5536608A (en)	1996-07-16	Imaging processes using cyan and black toners
US5308732A (en)	1994-05-03	Magnetic brush cleaning processes
JPS61226773A (ja)	1986-10-08	像形成方法及びその装置
JPH06258871A (ja)	1994-09-16	静電荷像現像用トナ−
JP2701962B2 (ja)	1998-01-21	２成分系現像剤
JPH06161157A (ja)	1994-06-07	電子写真用キャリヤ
JPH05297638A (ja)	1993-11-12	負帯電性電子写真用トナー
JPH073610B2 (ja)	1995-01-18	非晶質シリコン系光導電層の高速現像方法
JPH0683111A (ja)	1994-03-25	電子写真用トナ−
JPS62173476A (ja)	1987-07-30	感光体及び像形成方法
JPS62134658A (ja)	1987-06-17	像形成方法及びその装置
JPS62222263A (ja)	1987-09-30	電子写真の現像方法