CA1125082A - Formation d'images electrostatographiques a particules porteuses enduites de polyvinyl butyral - Google Patents

Formation d'images electrostatographiques a particules porteuses enduites de polyvinyl butyral

Info

Publication number: CA1125082A
Authority: CA; Canada
Prior art keywords: particles; carrier; carrier particles; toner; coating
Prior art date: 1980-02-15
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

Application number

CA369,875A

Other languages

English (en)

Inventor

Philip G. Horton

Joseph Mammino

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.)

1980-02-15

Filing date

1981-02-02

Publication date

1982-06-08

1981-02-02 Application filed by Xerox Corp filed Critical Xerox Corp

1982-06-08 Application granted granted Critical

1982-06-08 Publication of CA1125082A publication Critical patent/CA1125082A/fr

Status Expired legal-status Critical Current

Links

239000002245 particle Substances 0.000 title claims abstract description 159
238000003384 imaging method Methods 0.000 title claims abstract description 8
229920002037 poly(vinyl butyral) polymer Polymers 0.000 title claims description 20
238000000576 coating method Methods 0.000 claims abstract description 61
239000000203 mixture Substances 0.000 claims abstract description 53
239000011248 coating agent Substances 0.000 claims abstract description 52
238000000034 method Methods 0.000 claims abstract description 14
230000008569 process Effects 0.000 claims abstract description 6
229920005989 resin Polymers 0.000 claims description 22
239000011347 resin Substances 0.000 claims description 22
229910000831 Steel Inorganic materials 0.000 claims description 10
239000010959 steel Substances 0.000 claims description 10
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
239000000758 substrate Substances 0.000 claims description 6
239000003086 colorant Substances 0.000 claims description 5
229910052742 iron Inorganic materials 0.000 claims description 3
SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 3
229910052759 nickel Inorganic materials 0.000 claims description 3
229910000859 α-Fe Inorganic materials 0.000 claims description 3
238000011161 development Methods 0.000 abstract description 18
229920002554 vinyl polymer Polymers 0.000 abstract description 18
DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 abstract description 13
125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 abstract 1
239000000463 material Substances 0.000 description 40
239000008199 coating composition Substances 0.000 description 27
ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 24
150000001241 acetals Chemical class 0.000 description 15
229920000642 polymer Polymers 0.000 description 15
239000011162 core material Substances 0.000 description 13
239000012876 carrier material Substances 0.000 description 12
239000006229 carbon black Substances 0.000 description 11
239000007787 solid Substances 0.000 description 11
239000002904 solvent Substances 0.000 description 11
238000010438 heat treatment Methods 0.000 description 9
239000007771 core particle Substances 0.000 description 8
238000005259 measurement Methods 0.000 description 8
229920003023 plastic Polymers 0.000 description 8
239000004033 plastic Substances 0.000 description 8
-1 polytetrafluoroethylene Polymers 0.000 description 8
239000000654 additive Substances 0.000 description 7
229920002689 polyvinyl acetate Polymers 0.000 description 7
239000011118 polyvinyl acetate Substances 0.000 description 7
239000013557 residual solvent Substances 0.000 description 7
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical group CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 6
230000005291 magnetic effect Effects 0.000 description 6
239000000975 dye Substances 0.000 description 5
229920002451 polyvinyl alcohol Polymers 0.000 description 5
235000019422 polyvinyl alcohol Nutrition 0.000 description 5
150000001299 aldehydes Chemical class 0.000 description 4
229920001577 copolymer Polymers 0.000 description 4
239000006185 dispersion Substances 0.000 description 4
229920002313 fluoropolymer Polymers 0.000 description 4
239000004811 fluoropolymer Substances 0.000 description 4
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 3
239000004372 Polyvinyl alcohol Substances 0.000 description 3
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
239000011354 acetal resin Substances 0.000 description 3
239000002253 acid Substances 0.000 description 3
230000000996 additive effect Effects 0.000 description 3
230000002411 adverse Effects 0.000 description 3
SOGAXMICEFXMKE-UHFFFAOYSA-N alpha-Methyl-n-butyl acrylate Natural products CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
239000000969 carrier Substances 0.000 description 3
238000006243 chemical reaction Methods 0.000 description 3
230000000694 effects Effects 0.000 description 3
108091008695 photoreceptors Proteins 0.000 description 3
239000000049 pigment Substances 0.000 description 3
229920006324 polyoxymethylene Polymers 0.000 description 3
239000000843 powder Substances 0.000 description 3
WDQMWEYDKDCEHT-UHFFFAOYSA-N 2-ethylhexyl 2-methylprop-2-enoate Chemical compound CCCCC(CC)COC(=O)C(C)=C WDQMWEYDKDCEHT-UHFFFAOYSA-N 0.000 description 2
LTERAWRIKDPXBF-UHFFFAOYSA-N 3-(dodecanoylamino)propyl-trimethylazanium;methyl sulfate Chemical compound COS([O-])(=O)=O.CCCCCCCCCCCC(=O)NCCC[N+](C)(C)C LTERAWRIKDPXBF-UHFFFAOYSA-N 0.000 description 2
QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 2
238000005299 abrasion Methods 0.000 description 2
150000007513 acids Chemical class 0.000 description 2
229910052799 carbon Inorganic materials 0.000 description 2
238000004140 cleaning Methods 0.000 description 2
239000000306 component Substances 0.000 description 2
238000004132 cross linking Methods 0.000 description 2
238000007598 dipping method Methods 0.000 description 2
239000011521 glass Substances 0.000 description 2
125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
229910052500 inorganic mineral Inorganic materials 0.000 description 2
239000003921 oil Substances 0.000 description 2
235000019198 oils Nutrition 0.000 description 2
229920000647 polyepoxide Polymers 0.000 description 2
238000002360 preparation method Methods 0.000 description 2
229910052711 selenium Inorganic materials 0.000 description 2
239000011669 selenium Substances 0.000 description 2
229920001169 thermoplastic Polymers 0.000 description 2
239000004416 thermosoftening plastic Substances 0.000 description 2
QAQSNXHKHKONNS-UHFFFAOYSA-N 1-ethyl-2-hydroxy-4-methyl-6-oxopyridine-3-carboxamide Chemical compound CCN1C(O)=C(C(N)=O)C(C)=CC1=O QAQSNXHKHKONNS-UHFFFAOYSA-N 0.000 description 1
JRCWHWCFGYZDST-UHFFFAOYSA-M 1-hexadecyl-2-methylpyridin-1-ium;bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+]1=CC=CC=C1C JRCWHWCFGYZDST-UHFFFAOYSA-M 0.000 description 1
ANWRFECLRNZBHC-UHFFFAOYSA-N 4-methylmorpholine;hydrobromide Chemical compound [Br-].C[NH+]1CCOCC1 ANWRFECLRNZBHC-UHFFFAOYSA-N 0.000 description 1
229920000178 Acrylic resin Polymers 0.000 description 1
239000004925 Acrylic resin Substances 0.000 description 1
CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical class CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 1
XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 1
239000004593 Epoxy Substances 0.000 description 1
241001272567 Hominoidea Species 0.000 description 1
240000007597 Hymenaea verrucosa Species 0.000 description 1
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 1
229920000877 Melamine resin Polymers 0.000 description 1
241001465754 Metazoa Species 0.000 description 1
CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
101800000789 Protease-polymerase p70 Proteins 0.000 description 1
101800000786 Protease-polymerase p76 Proteins 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
235000004443 Ricinus communis Nutrition 0.000 description 1
YCUVUDODLRLVIC-UHFFFAOYSA-N Sudan black B Chemical compound C1=CC(=C23)NC(C)(C)NC2=CC=CC3=C1N=NC(C1=CC=CC=C11)=CC=C1N=NC1=CC=CC=C1 YCUVUDODLRLVIC-UHFFFAOYSA-N 0.000 description 1
BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
125000004036 acetal group Chemical group 0.000 description 1
230000009471 action Effects 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
125000005250 alkyl acrylate group Chemical group 0.000 description 1
239000010775 animal oil Substances 0.000 description 1
239000010426 asphalt Substances 0.000 description 1
IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 description 1
230000008901 benefit Effects 0.000 description 1
CADWTSSKOVRVJC-UHFFFAOYSA-N benzyl(dimethyl)azanium;chloride Chemical compound [Cl-].C[NH+](C)CC1=CC=CC=C1 CADWTSSKOVRVJC-UHFFFAOYSA-N 0.000 description 1
239000004126 brilliant black BN Substances 0.000 description 1
235000012709 brilliant black BN Nutrition 0.000 description 1
235000013877 carbamide Nutrition 0.000 description 1
SXPWTBGAZSPLHA-UHFFFAOYSA-M cetalkonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 SXPWTBGAZSPLHA-UHFFFAOYSA-M 0.000 description 1
229960000228 cetalkonium chloride Drugs 0.000 description 1
NEUSVAOJNUQRTM-UHFFFAOYSA-N cetylpyridinium Chemical compound CCCCCCCCCCCCCCCC[N+]1=CC=CC=C1 NEUSVAOJNUQRTM-UHFFFAOYSA-N 0.000 description 1
229960004830 cetylpyridinium Drugs 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
239000011231 conductive filler Substances 0.000 description 1
238000010924 continuous production Methods 0.000 description 1
NBIIXXVUZAFLBC-UHFFFAOYSA-M dihydrogenphosphate Chemical compound OP(O)([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-M 0.000 description 1
REZZEXDLIUJMMS-UHFFFAOYSA-M dimethyldioctadecylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CCCCCCCCCCCCCCCCCC REZZEXDLIUJMMS-UHFFFAOYSA-M 0.000 description 1
238000002845 discoloration Methods 0.000 description 1
239000004664 distearyldimethylammonium chloride (DHTDMAC) Substances 0.000 description 1
125000003700 epoxy group Chemical group 0.000 description 1
239000003822 epoxy resin Substances 0.000 description 1
239000003302 ferromagnetic material Substances 0.000 description 1
239000012530 fluid Substances 0.000 description 1
239000004446 fluoropolymer coating Substances 0.000 description 1
SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical class O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 description 1
125000000524 functional group Chemical group 0.000 description 1
LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
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 1
150000002373 hemiacetals Chemical class 0.000 description 1
229930195733 hydrocarbon Natural products 0.000 description 1
150000002430 hydrocarbons Chemical class 0.000 description 1
230000007062 hydrolysis Effects 0.000 description 1
238000006460 hydrolysis reaction Methods 0.000 description 1
229920001600 hydrophobic polymer Polymers 0.000 description 1
150000002462 imidazolines Chemical class 0.000 description 1
238000010348 incorporation Methods 0.000 description 1
239000012948 isocyanate Substances 0.000 description 1
239000006233 lamp black Substances 0.000 description 1
MOUPNEIJQCETIW-UHFFFAOYSA-N lead chromate Chemical compound [Pb+2].[O-][Cr]([O-])(=O)=O MOUPNEIJQCETIW-UHFFFAOYSA-N 0.000 description 1
229940002712 malachite green oxalate Drugs 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
239000011159 matrix material Substances 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
150000007974 melamines Chemical class 0.000 description 1
229940063557 methacrylate Drugs 0.000 description 1
125000005395 methacrylic acid group Chemical group 0.000 description 1
CXKWCBBOMKCUKX-UHFFFAOYSA-M methylene blue Chemical compound [Cl-].C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 CXKWCBBOMKCUKX-UHFFFAOYSA-M 0.000 description 1
238000003801 milling Methods 0.000 description 1
239000011707 mineral Substances 0.000 description 1
239000002480 mineral oil Substances 0.000 description 1
125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
229920001568 phenolic resin Polymers 0.000 description 1
239000004014 plasticizer Substances 0.000 description 1
229920001225 polyester resin Polymers 0.000 description 1
239000004645 polyester resin Substances 0.000 description 1
229920013716 polyethylene resin Polymers 0.000 description 1
235000013824 polyphenols Nutrition 0.000 description 1
229920005990 polystyrene resin Polymers 0.000 description 1
229920001343 polytetrafluoroethylene Polymers 0.000 description 1
239000004810 polytetrafluoroethylene Substances 0.000 description 1
229940051201 quinoline yellow Drugs 0.000 description 1
235000012752 quinoline yellow Nutrition 0.000 description 1
239000004172 quinoline yellow Substances 0.000 description 1
IZMJMCDDWKSTTK-UHFFFAOYSA-N quinoline yellow Chemical compound C1=CC=CC2=NC(C3C(C4=CC=CC=C4C3=O)=O)=CC=C21 IZMJMCDDWKSTTK-UHFFFAOYSA-N 0.000 description 1
230000003134 recirculating effect Effects 0.000 description 1
238000009877 rendering Methods 0.000 description 1
230000004044 response Effects 0.000 description 1
238000000926 separation method Methods 0.000 description 1
239000000377 silicon dioxide Substances 0.000 description 1
235000012239 silicon dioxide Nutrition 0.000 description 1
238000001694 spray drying Methods 0.000 description 1
238000005507 spraying Methods 0.000 description 1
229910001220 stainless steel Inorganic materials 0.000 description 1
239000010935 stainless steel Substances 0.000 description 1
SFVFIFLLYFPGHH-UHFFFAOYSA-M stearalkonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 SFVFIFLLYFPGHH-UHFFFAOYSA-M 0.000 description 1
239000000126 substance Substances 0.000 description 1
238000006467 substitution reaction Methods 0.000 description 1
239000000725 suspension Substances 0.000 description 1
238000003786 synthesis reaction Methods 0.000 description 1
HWCKGOZZJDHMNC-UHFFFAOYSA-M tetraethylammonium bromide Chemical compound [Br-].CC[N+](CC)(CC)CC HWCKGOZZJDHMNC-UHFFFAOYSA-M 0.000 description 1
GMMAPXRGRVJYJY-UHFFFAOYSA-J tetrasodium 4-acetamido-5-hydroxy-6-[[7-sulfonato-4-[(4-sulfonatophenyl)diazenyl]naphthalen-1-yl]diazenyl]naphthalene-1,7-disulfonate Chemical compound [Na+].[Na+].[Na+].[Na+].OC1=C2C(NC(=O)C)=CC=C(S([O-])(=O)=O)C2=CC(S([O-])(=O)=O)=C1N=NC(C1=CC(=CC=C11)S([O-])(=O)=O)=CC=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 GMMAPXRGRVJYJY-UHFFFAOYSA-J 0.000 description 1
229920001187 thermosetting polymer Polymers 0.000 description 1
238000003420 transacetalization reaction Methods 0.000 description 1
238000012546 transfer Methods 0.000 description 1
235000013799 ultramarine blue Nutrition 0.000 description 1
150000003672 ureas Chemical class 0.000 description 1
235000015112 vegetable and seed oil Nutrition 0.000 description 1
239000008158 vegetable oil Substances 0.000 description 1
125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
XOSXWYQMOYSSKB-LDKJGXKFSA-L water blue Chemical compound CC1=CC(/C(\C(C=C2)=CC=C2NC(C=C2)=CC=C2S([O-])(=O)=O)=C(\C=C2)/C=C/C\2=N\C(C=C2)=CC=C2S([O-])(=O)=O)=CC(S(O)(=O)=O)=C1N.[Na+].[Na+] XOSXWYQMOYSSKB-LDKJGXKFSA-L 0.000 description 1
239000000080 wetting agent Substances 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
- G03G9/10—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

Landscapes

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

CA369,875A 1980-02-15 1981-02-02 Formation d'images electrostatographiques a particules porteuses enduites de polyvinyl butyral Expired CA1125082A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US12176980A	1980-02-15	1980-02-15
US121,769		1980-02-15

Publications (1)

Publication Number	Publication Date
CA1125082A true CA1125082A (fr)	1982-06-08

Family

ID=22398671

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA369,875A Expired CA1125082A (fr)	1980-02-15	1981-02-02	Formation d'images electrostatographiques a particules porteuses enduites de polyvinyl butyral

Country Status (4)

Country	Link
EP (1)	EP0034488A1 (fr)
JP (1)	JPS56130763A (fr)
BR (1)	BR8100766A (fr)
CA (1)	CA1125082A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4355886A (en) *	1980-05-13	1982-10-26	Xerox Corporation	Polyvinyl acetal coated carrier particles for magnetic brush cleaning
US5777779A (en) *	1995-09-29	1998-07-07	Canon Kabushiki Kaisha	Electrochromic device and method for manufacturing the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1421603A (en) *	1972-02-14	1976-01-21	Ibm	Coated carrier particles for use in electrophotographic processes and their preparation

1981
- 1981-02-02 CA CA369,875A patent/CA1125082A/fr not_active Expired
- 1981-02-09 BR BR8100766A patent/BR8100766A/pt unknown
- 1981-02-09 JP JP1795181A patent/JPS56130763A/ja active Pending
- 1981-02-13 EP EP81300612A patent/EP0034488A1/fr not_active Withdrawn

Also Published As

Publication number	Publication date
JPS56130763A (en)	1981-10-13
EP0034488A1 (fr)	1981-08-26
BR8100766A (pt)	1981-08-25

Legal Events

Date	Code	Title	Description
1999-06-08	MKEX	Expiry

Publication	Publication Date	Title
US4297427A (en)	1981-10-27	Polyblend coated carrier materials
US4264697A (en)	1981-04-28	Imaging system
CA1148403A (fr)	1983-06-21	Tonifiant renfermant des composes a base d'alkyl-pyridinium et de leurs hydrates
EP0015744B1 (fr)	1983-07-13	Procédé de préparation de particules porteuses enrobées pour révélateurs électrostatographiques
US3752666A (en)	1973-08-14	Electrostatic imaging process using carrier beads containing conductive particles
US3944493A (en)	1976-03-16	Electrographic toner and developer composition
US4299898A (en)	1981-11-10	Positively charged toners containing quaternary ammonium salts attached to acrylate polymers
US4221856A (en)	1980-09-09	Electrographic toner containing resin-compatible quaternary ammonium compound
US4600677A (en)	1986-07-15	Organoalkoxysilane carrier coatings
US3723114A (en)	1973-03-27	Thermosetting electrostatographic developer of a carrier and preploymer of diallyl phthalate, isophthalate and mixtures
US4265995A (en)	1981-05-05	Carrier core surface treatment
CA1169915A (fr)	1984-06-26	Particules pour le nettoyage a la brosse aimantee
CA1148785A (fr)	1983-06-28	Visualisation electrostatographique a l'aide de particules porteuses revetues de poly(fluorure de vinylidene)
GB1561533A (en)	1980-02-20	Electrostatographic developers and their use
US4287287A (en)	1981-09-01	Electrostatographic carrier coated with thixotropic compositions
US5744275A (en)	1998-04-28	Coated carrier particles
US4304830A (en)	1981-12-08	Toner additives
US3916064A (en)	1975-10-28	Developer material
US4378420A (en)	1983-03-29	Process for charging toner compositions
USRE25136E (en)	1962-03-13	Electrostatic developer composition
US4053310A (en)	1977-10-11	Durable carrier coating compositions comprising polysulfone
US4126458A (en)	1978-11-21	Inorganic fluoride reversal carrier coatings
US4206065A (en)	1980-06-03	Electrostatographic developer compositions using terpolymer coated carrier
EP0034488A1 (fr)	1981-08-26	Particule véhiculatrice pour des mélanges de développement électrostatographique; mélange de développement, et procédé de formation d'image utilisant ce mélange
CA1117803A (fr)	1982-02-09	Support particulaire dont la couche exterieure contient un polymere vinylique et du bromure d'ammonium tetraheptyle