WO1998036327A1 - Composition de toner pour developper une image latente electrostatique - Google Patents
Composition de toner pour developper une image latente electrostatique Download PDFInfo
- Publication number
- WO1998036327A1 WO1998036327A1 PCT/JP1998/000545 JP9800545W WO9836327A1 WO 1998036327 A1 WO1998036327 A1 WO 1998036327A1 JP 9800545 W JP9800545 W JP 9800545W WO 9836327 A1 WO9836327 A1 WO 9836327A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- toner
- charge control
- control agent
- toner composition
- benzene
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 54
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims abstract description 168
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 65
- 238000000034 method Methods 0.000 claims abstract description 50
- 229920005989 resin Polymers 0.000 claims abstract description 20
- 239000011347 resin Substances 0.000 claims abstract description 20
- 239000011230 binding agent Substances 0.000 claims abstract description 12
- 239000003086 colorant Substances 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims description 31
- -1 quaternary ammonium salt compound Chemical class 0.000 claims description 17
- 229920001225 polyester resin Polymers 0.000 claims description 12
- 239000004645 polyester resin Substances 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 6
- 239000003960 organic solvent Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 24
- 239000002245 particle Substances 0.000 description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 16
- 239000011521 glass Substances 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 239000010419 fine particle Substances 0.000 description 10
- 239000000123 paper Substances 0.000 description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 238000000354 decomposition reaction Methods 0.000 description 9
- 238000009826 distribution Methods 0.000 description 9
- 239000000126 substance Substances 0.000 description 8
- 229910052724 xenon Inorganic materials 0.000 description 8
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 8
- 239000012080 ambient air Substances 0.000 description 7
- 239000006229 carbon black Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 229920001577 copolymer Polymers 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 4
- 239000003570 air Substances 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 238000003795 desorption Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052736 halogen Inorganic materials 0.000 description 4
- 150000002367 halogens Chemical class 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 108091008695 photoreceptors Proteins 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- 101100426971 Caenorhabditis elegans ttr-2 gene Proteins 0.000 description 3
- 101100538857 Caenorhabditis elegans ttr-5 gene Proteins 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000000769 gas chromatography-flame ionisation detection Methods 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- VLAPMBHFAWRUQP-UHFFFAOYSA-L molybdic acid Chemical compound O[Mo](O)(=O)=O VLAPMBHFAWRUQP-UHFFFAOYSA-L 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- SGHZXLIDFTYFHQ-UHFFFAOYSA-L Brilliant Blue Chemical compound [Na+].[Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=2C(=CC=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S([O-])(=O)=O)=C1 SGHZXLIDFTYFHQ-UHFFFAOYSA-L 0.000 description 2
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 150000001449 anionic compounds Chemical class 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
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- 238000009792 diffusion process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- 229910001412 inorganic anion Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000005291 magnetic effect Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 1
- QQZOPKMRPOGIEB-UHFFFAOYSA-N 2-Oxohexane Chemical compound CCCCC(C)=O QQZOPKMRPOGIEB-UHFFFAOYSA-N 0.000 description 1
- IISBACLAFKSPIT-UHFFFAOYSA-N Bisphenol A Natural products C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920007962 Styrene Methyl Methacrylate Polymers 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 101710105807 UDP-N-acetylglucosamine 1-carboxyvinyltransferase 1 Proteins 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229920001893 acrylonitrile styrene Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 239000006231 channel black Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229940090961 chromium dioxide Drugs 0.000 description 1
- IAQWMWUKBQPOIY-UHFFFAOYSA-N chromium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Cr+4] IAQWMWUKBQPOIY-UHFFFAOYSA-N 0.000 description 1
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium(IV) oxide Inorganic materials O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229940125782 compound 2 Drugs 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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- 238000004817 gas chromatography Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 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
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 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 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- ADFPJHOAARPYLP-UHFFFAOYSA-N methyl 2-methylprop-2-enoate;styrene Chemical compound COC(=O)C(C)=C.C=CC1=CC=CC=C1 ADFPJHOAARPYLP-UHFFFAOYSA-N 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- DHRLEVQXOMLTIM-UHFFFAOYSA-N phosphoric acid;trioxomolybdenum Chemical compound O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.OP(O)(O)=O DHRLEVQXOMLTIM-UHFFFAOYSA-N 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001483 poly(ethyl methacrylate) polymer Polymers 0.000 description 1
- 229920002454 poly(glycidyl methacrylate) polymer Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000001303 quality assessment method Methods 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 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
-
- 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
- G03G15/2007—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using radiant heat, e.g. infrared lamps, microwave heaters
- G03G15/201—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using radiant heat, e.g. infrared lamps, microwave heaters of high intensity and short duration, i.e. flash fusing
-
- 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
-
- 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
- G03G9/09733—Organic compounds
Definitions
- the present invention relates to a developing powder (hereinafter, referred to as a toner composition) for developing an electrostatic latent image in electrophotography, and more particularly, to a high-speed coating.
- the present invention relates to a toner composition for developing an electrostatic latent image suitable for a laser beam printer or an LED printer for performing flash fixing on a printed body.
- Electrophotography uses a photoconductive substance to apply a uniform electrostatic charge to a photoreceptor, a charging process, an exposure process to irradiate light to form an electrostatic latent image, and a toner on the latent image portion.
- Developing step of electrostatically attaching the toner image to the toner image support transferring the toner image to the toner image support, fixing the toner image to the toner image support by pressure, heat, flash light, or the like, and fixing the toner image on the photoreceptor. It comprises a cleaning step for removing untransferred toner and a charge removal step for removing the electrostatic charge on the photoreceptor and returning it to its initial state. These steps are repeated to obtain an image.
- the pressure fixing method one of the fixing methods for electrophotographic printers, has the advantages of being able to operate immediately, using less heat as a heat source, consuming less power, and having no danger of firing at the fixing unit.
- drawbacks such as poor fixability of the image and low image quality with conspicuous gloss of the image. Therefore, it is generally advantageous to use the heat fixing method.
- As the heat fixing method a contact heat fixing method using a heat roll fixing method and a non-contact heat fixing method using a flash flash and an oven fixing through an atmosphere heated by an electric heater are known.
- the present invention relates to fixing by flash, which is a typical non-contact heat fixing method, and the flash fixing method applies a xenon lamp or a xenon lamp to a visible image of toner.
- a method of irradiating a light emission spectrum of a halogen lamp or the like for a short period of time of less than millisecond to soften and melt the toner by the radiant heat and to fix the toner to a toner support Japanese Patent Application Laid-Open No. H7-107805. Publication
- the flash fixing method uses a non-contact heat fixing method, so that the energy dissipated to the surroundings is high, and the thermal efficiency is lower than that of the heat roll fixing due to intermittent energy irradiation.
- This is a fixing method.
- the surface temperature of the toner composition instantaneously reaches a high temperature of several hundred degrees due to rapid irradiation of flash light of high energy in a very short time, and a part of the additives of the toner composition is decomposed. There was a problem with decomposition products that gasified and produced a bad smell or generated harmful gas.
- flash fixing type printers adopt a method in which these decomposition products are sucked in the flash fixing section and then passed through a filter such as activated carbon to adsorb and collect harmful gases in order to remove decomposition products during flash fixing.
- a filter such as activated carbon
- the present invention has been made to solve the above-mentioned problems, and in a printer employing a flash fixing method, the generation of decomposition products is suppressed to eliminate the need for a filter, or the filter is replaced.
- An object of the present invention is to provide a toner composition for developing an electrostatic latent image which solves the problem of an increase in running cost due to a shortened life. Disclosure of the invention
- the present invention provides a method for flash-fixing a toner composition comprising at least a binder resin, a colorant, and a charge control agent, by using a quaternary ammonium salt compound, a triphenyl methane compound, or 100 ° C. or higher.
- FIG. 1 is a schematic longitudinal sectional view showing an image forming apparatus of the present invention.
- FIG. 2 is a schematic sectional view showing the fixing device of the present invention.
- FIG. 3 is a diagram showing distribution of radiant energy on a recording medium by the image fixing device of the embodiment of FIG.
- FIG. 4 is a schematic sectional view showing one embodiment of the fixing device of the present invention.
- FIG. 5 is a schematic longitudinal sectional view showing one embodiment of the image fixing device of the present invention.
- FIG. 6 is a diagram of the embodiment of the present invention as viewed from a recording medium side.
- Transfer charger 6 Recording medium 7: Fixer 8 Cleaning bun 9: Xenon lamp (flash light source) 10: Toner 1 1 Reflector 1 2: Glass plate
- the toner composition of the present invention has a benzene generation concentration of 60 ⁇ gg or less, preferably 4 ⁇ g, when subjected to heat treatment at 330 ° C. for 90 seconds. 0 g / g or less. If the benzene concentration exceeds 60 Mg / g, it is necessary to take measures such as strengthening the smoke removal filter.
- the generation of benzene is a problem from the viewpoint of legal regulations.
- As a method of determining the amount of benzene generated there is a method of operating a printer and collecting and quantifying the exhaust gas that will be generated from the printer.However, there are problems such as sampling problems and the influence of factors other than toner. However, favorable characteristics as a toner have not been obtained.
- the present inventors have continued to study practical and reproducible conditions, and found that the amount of benzene generated by heating at 330 ° C. for 90 seconds is a criterion for judging the quality of the toner. It was found that the use amount of toner of 60 g / g or less can greatly extend the life of the filter.
- Any method can be used to measure the amount of benzene generated as long as the amount of benzene generated in 90 seconds at 330 ° C can be measured.For example, put 1 Omg of a sample in a glass container with an internal volume of 2 OmI. After purging with nitrogen, seal and heat in an electric furnace at 330 ° C for 90 seconds. 0.5 ml of the gas phase in the glass container is injected into the gas chromatograph to determine the amount of benzene generated.
- the gas chromatography measurement conditions used here are as follows. Any method can be used as long as it can be quantitatively determined. For example, measurement can be performed using the following conditions.
- the method of removing impurities includes a method of removing impurities by performing a vacuum heat treatment, and a method of washing with an organic solvent such as alcohol. A method of performing the treatment is preferred.
- quaternary ammonium salt compound a triphenylmethane-based charge control agent, or the like.
- the anion of the quaternary ammonium salt compound is molybdenum or tundastere.
- This is an inorganic anion containing a carbon atom.
- the inorganic anion include molybdic acid, tungstic acid, phosphomolybdic acid, kymolybdic acid, lintandastenoic acid, kytungstic acid, phosphotungsten-molybdic acid, keitandastene 'molybdic acid, phosphotungsten-molybdic acid, And molybdic acid.
- quaternary ammonium salt compound examples include TP-302 and 415 manufactured by Hodogaya Chemical Co., Ltd.
- the addition amount of the quaternary ammonium salt compound is preferably from 0.1 to 5 parts by weight based on 100 parts by weight of the toner composition. If the amount is less than 0.1 part by weight, sufficient chargeability cannot be imparted to the toner, and if the amount exceeds 5 parts by weight, the charge control agent is more expensive than other toner components, so the cost increases. Connect.
- the triphenylmethane-based charge control agent may be C.I.Solvent BIue 66, 124, C.Pigment. Blue 61, 56, 19, 18 and the like, and it is preferable to use Solvent Blue 124 for C.
- Specific examples of such a triphenyl methane-based charge control agent include “Copy Psoret” PR, “Brilliant Blue Base” SM, manufactured by Hextor, and “BASFA lkali Blue,” manufactured by BSF Japan. "NBD 615 DLD and the like.
- the addition amount of the triphenylmethane-based charge control agent is preferably from 0.1 to 5 parts by weight based on 100 parts by weight of the toner composition. If the amount is less than 0.1 part by weight, sufficient chargeability cannot be imparted to the toner. If the amount exceeds 5 parts by weight, the charge controlling agent is more expensive than the other toner components, so that cost is reduced. It leads to up.
- the vacuum heat treatment should be performed at a temperature of 100 ° C or more and 250 ° C or less and a degree of vacuum of 0.2 MPa or less.
- vacuum heat treatment is performed at a temperature of 100 ° C. or more and 250 ° C. or less and a degree of vacuum of 0.05 MPa or less, and more preferably at 130 ° C. or more and 220 ° C. It is preferable to perform the vacuum heat treatment at the following temperature and a degree of vacuum of 0.03 MPa or less. It was not expected that such treatment would reduce benzene generation during flash fixing.
- the heating temperature is lower than 100 ° C, the generation of decomposition products cannot be suppressed and the filter life is not prolonged. If the heating temperature exceeds 250 ° C, the charge control agent itself is decomposed. At the beginning, the charge control function as a charge control agent is lost. When the degree of vacuum exceeds 0.2 MPa, a long vacuum heat treatment time is required to obtain the effect, and the practicality is lacking. Further, the content of the nig mouth thin type charge control agent is preferably from 0.1 to 5% by weight, more preferably from 0.5 to 2% by weight, based on the whole toner composition.
- the organic solvent may be alcohols such as methanol, ethanol, propanol, isopropanol, and butanol, acetone, methyl ethyl ketone, and methyl isobutyl ketone. And ketones such as hexanone, and aromatics such as toluene and xylene. Washing with an alcohol is preferred.
- the toner composition according to the present invention comprises at least a binder resin, a colorant, and a charge control agent. These compositions will be described below.
- binder resin contained in the toner composition of the present invention known binder resins can be used.
- polystyrene homopolymer, styrene-isobutylene copolymer, styrene-butadiene copolymer, acrylonitrile —Styrene copolymers such as butadiene-styrene copolymer, styrene-acryl copolymer, styrene-methyl methacrylate copolymer, styrene-n-butyl methacrylate copolymer, and styrene-glycidyl methacrylate copolymer
- Acryl-based homopolymers or copolymers such as coalesce, polymethyl methacrylate, polyethyl methacrylate, poly n-butyl methacrylate, polyglycidyl methacrylate, and polyethylene terephthalate
- polyester resins such as phthalate
- At least 80 mol% of the acid component of the polyester resin is composed of a phthalic dicarboxylic acid, and at least 80 mol% of the alcohol component is bisphenol A alkylene alkylene.
- Polyester resins obtained from alcohol components consisting of adducts are preferred.
- the softening point is 80 to 130 ° C
- the glass transition point (Tg) is 55 to 70 ° C
- the melt viscosity is 100,000 centiboise as measured by a flow tester.
- the ultimate temperature is preferably 90 to 135 ° C
- the molecular weight distribution of the polyester resin is such that the number average molecular weight is 2500-450 and the weight average molecular weight is 70000 to 1300 It is suitable.
- the colorant contained in the toner composition of the present invention known colorants can be used.
- ferromagnetic Body fine particles for example, magnet fine particle powder can be used.
- a mixture of ferromagnetic fine particles and carbon black can be used as a black colorant.
- Dispersion of carbon black in the binder resin among these colorants is important from the viewpoint of charge stability of the toner, and a dispersant can be used in combination as necessary.
- the content of carbon black is preferably 1 to 10 parts by weight based on 100 parts by weight of the toner composition.
- the hiding power of the binder resin is insufficient, and a sufficient image density cannot be obtained.
- it exceeds 10 parts by weight it is preferable to increase the hiding power of the formed image and increase the image density, but on the other hand, the toner particles are formed by the carbon black chain structure formed in the toner particles. The toner becomes excessively conductive, so that the insulating property is impaired, the chargeability of the toner is reduced, and as a result, the image density is reduced, and further, white background stain and toner scattering are increased.
- inorganic fine particles and organic fine particles having an average particle diameter of 0.05 to 1.0 im can be added to the toner composition of the present invention as a fluidity improver.
- the inorganic fine particles fine particles such as silica, titanium oxide, and alumina oxide may be used. It can.
- silica fine particles which have been subjected to a hydrophobizing treatment are preferable in that high fluidity can be reliably obtained.
- resin fine particles such as polyvinylidene fluoride particles, polymethyl methacrylate, fluororesin, and silicone resin can be used.
- the average particle size of the toner composition of the present invention is preferably from 4 to 20 ⁇ m, more preferably from 6 to 12 m.
- the average particle size of the toner is less than 4 m, it is difficult to produce by the conventional kneading and pulverizing method, so that the product yield is remarkably reduced. This causes a problem of poor performance.
- the toner composition used in the present invention can be produced by a conventionally known method. That is, for example, a toner composition such as a binder resin, a colorant, a charge control agent, and a dispersing aid, if necessary, is premixed with a super mixer, and then uniformly dispersed, melted, and kneaded with a twin-screw extruder. After finely pulverized by a jet mill, the powder is classified by an air classifier to obtain a desired toner composition.
- the toner composition of the present invention can be used as a two-component developer by being mixed with a carrier.
- the toner composition contains a magnetic substance, it can be used as it is as a one-component developer for developing an electrostatic latent image.
- the carrier is made of a metal such as iron, manganese, cobalt, nickel, and chromium; a metal oxide such as chromium dioxide, iron sesquioxide and tetroxide; and a magnetic material such as ferrite.
- MF e204 M is Mn, Co, Mg, Zn or Cu.
- magnetite and ferrite carrier obtained by granulating magnetite and ferrite particles
- a so-called resin-type carrier in which magnetite or ferrite particles and a charge control agent are dispersed in a resin can be used.
- the carrier may be coated with the same resin as or different from the resin contained in the toner composition for the purpose of improving the charging characteristics.
- the carrier generally has a particle size of 20 to 200 ⁇ m, but it is preferable to use a carrier having a small particle size of 20 to 60 ⁇ m to obtain a good printing density.
- the method of measuring the particle size of the carrier is laser-diffraction type particle size distribution analyzer SALD—200 The measurement was performed using 0 J (manufactured by Shimadzu Corporation).
- SALD laser-diffraction type particle size distribution analyzer
- the measurement was performed using 0 J (manufactured by Shimadzu Corporation).
- the two-component developer is prepared by mixing the toner composition with the carrier described above.
- the mixing ratio of the toner composition is usually about 5 to 30% by weight based on the total amount of the toner composition and the carrier, but this depends on the type of the carrier, the charging characteristics of the toner used, and the development method. But big.
- the toner composition for developing an electrostatic latent image of the present invention is used in an image fixing device for fixing a toner image on a recording medium by flash light. More preferably, a restrictor that partially limits radiant energy emitted from a light source of flash light and applied to a toner image on a recording medium is provided between the light source and the recording medium. Yes Used in image fixing devices. In addition, it is preferable to use an image fixing device characterized in that a restrictor for partially restricting the radiation energy is provided on a part of the outer wall of the light source of the flash light.
- the restricting body has a property of reflecting, scattering, or refracting radiation energy from the light source.
- the restrictor may radiate at least a part of a portion on a recording medium to which high radiant energy is to be applied.
- the energy is strongly restricted, and the radiation energy to at least a part of the portion on the recording medium to which the low radiation energy is to be applied is weakly restricted.
- the image fixing device of the present invention preferably includes a preheating means for preheating the recording medium before applying radiant energy to the toner image by the light source.
- "restricting radiant energy” means that a radiant energy is absorbed, reflected, scattered, or refracted by placing a restrictor between a radiant energy generating portion of a flash light source and a transport path of a recording medium. If there is no restriction body, a part of the radiant energy that would be given to a specific part (often the part with the highest energy density) of the recording medium or toner image on it Refers to reducing However, the radiant energy blocked by the restrictor is preferably applied to another part of the recording medium by reflection, scattering or refraction. This makes it possible to make the distribution of the radiant energy applied to the recording medium or the toner thereon uniform in the transport direction.
- the restriction body may be provided on the surface of the light source or in the vicinity thereof.
- the recording medium may be any as long as it can fix a toner image.
- sheet materials such as paper, plastic film, fabric, and metal plate are preferably used. Since paper and plastic films may be deformed or burned out due to excessive heating, they are suitable objects of the present invention that can reduce the maximum energy density.
- a typical image forming method used for the toner composition of the present invention and an outline of an electrophotographic printer (image forming apparatus) will be described with reference to FIG.
- a toner image is formed on the photosensitive drum 1.
- the photosensitive drum 1 is uniformly charged using the charger 2.
- an exposure apparatus 3 equipped with an LED array and a laser beam, the light is spatially and selectively exposed according to an image to be formed.
- the latent image formed on the photosensitive drum 1 is developed using a developing device 4 with a developer to form a toner image on the photosensitive drum 1.
- the toner image thus developed is transferred onto the recording medium 6 by the transfer charger 5.
- the recording medium 6 is melted and fixed by the fixing device 7 while being conveyed at a constant speed.
- the toner image not transferred to the recording medium is cleaned by a cleaning brush 8 applying a negative bias to the toner, and is returned to an initial state.
- the restriction body will be described with reference to FIGS. FIG. 2 describes the fixing device 7 in detail.
- the flash light source 9 emits radiant energy for fixing the toner image 10 on the recording medium 6 by photothermal conversion.
- This flash A xenon lamp, a neon lamp, an argon lamp, a krypton lamp, or the like can be used as a light source.
- a reflector 11 is placed on the back of the flash light source.
- a fixing device may be provided with a glass plate 12 and a housing 13.
- the radiant energy emitted from the flash light source 9 is transmitted through the glass plate 12 together with the component reflected from the back reflector 11, and is formed on the recording medium 6. Irradiate 0.
- the irradiated radiant energy is selectively absorbed by the toner image 10, heats and melts the toner, and adheres to the recording medium 6.
- the radiant energy distribution on the recording medium is usually highest immediately below the flash light source 9, and if the radiant energy is not limited as in the present invention, it should take a shape close to a Gaussian distribution. It has been known.
- the restricting body 14 is disposed in the middle between the flash light source 9 and the recording medium 6, and is also located at the shortest distance between the flash light source 9 and the recording medium 6. By doing so, it is possible to arrange the restrictor 14 in the path of the light beam that irradiates the portion having the highest radiant energy on the recording medium 6, and the radiant energy emitted from the flash light source 9 is partially Decrease. With this effect, it is possible to lower the peak of the high radiant energy originally generated immediately below the flash light source 9, and to make the distribution of the radiant energy uniform as shown in FIG.
- the restrictor 14 By making the restrictor 14 not absorb light, that is, having the property of diffusing or reflecting, the radiant energy originally concentrated directly under the flash light source 9 is transferred to the peripheral portion. Can also be expected. In addition, since light is not absorbed, the restricting body 14 hardly generates heat by absorbing radiant energy, and a stable effect can be expected. As a material that can expect such an effect, a metal mesh / grid, a chromium vapor deposition film, or the like can be considered as the reflective material. In the case of nets and grids, stainless steel is preferred in terms of heat and weather resistance. As the diffusing material, a heat-resistant optical diffusing plate or the like can be considered. As the optical diffusion plate, polished glass having a roughened glass surface can be considered.
- a cylindrical lens can be considered as the refraction material.
- the restricting member 14 and the glass plate 12 can be integrated. Further, a more uniform radiant energy distribution can be obtained by changing the radiant energy limiting ratio in the transport direction of the recording medium 6.
- the restricting member 14 has a property of restricting the portion closer to the flash light source 9 and the higher the radiant energy, the more restrictive the radiant energy.
- the density of the net should be increased at the center and decreased at the periphery.
- chromium deposition it can be realized by increasing the amount of metal deposition at the center and decreasing it at the periphery.
- FIG. 3 shows an example of the distribution of radiated energy on the recording medium 6 with and without the restrictor 14. It can be seen that a more uniform distribution of radiant energy can be obtained with the restrictor 14.
- the glass plate 12 is provided between the flash light source 9 and the recording medium 6 in order to prevent paper dust, toner itself, or gas generated from the toner from contaminating the flash light source 9 and the reflection plate 11 from the recording medium. Is preferably interposed between them. Also, it is preferable to provide the restrictor 14 on the side of the glass plate 12 on the side of the flash light source 9 because contamination of the restrictor 14 with the toner 10 or the like can be prevented.
- the restricting body 14 may be formed on the outer wall of the flash light source 9. Since it can be integrated with the flash light source 9, there is an advantage that the device can be simplified.
- Example Reference Example 1 (Details of fixing device)
- an outline of a fixing device used for fixing the toner composition for an electrostatic latent image phenomenon of the present invention and an electrophotographic printer (image forming device) including a fixing method will be described.
- a toner image is formed on photosensitive drum 1.
- the photosensitive drum 1 is uniformly charged using the charger 2.
- an exposure device 3 equipped with an LED array and a laser beam the light is selectively spatially exposed according to an image to be formed. I do.
- the latent image formed on the photosensitive drum 1 is developed using a developing device 4 with a toner, and a toner image is formed on the photosensitive drum 1.
- the toner image thus developed is transferred onto the recording medium 6 by the transfer charger 5. While conveying the recording medium 6 at a constant speed, the recording medium is melted and fixed by the fixing device 7 as described in the above embodiment.
- recording was performed by a halogen lamp 15 that generates radiant heat energy mainly composed of far-infrared rays having an energy peak wavelength near 2 to 5 ⁇ m in front of the fixing device, and a flash light source 9. Fix the toner image on the medium.
- the halogen lamp 15 is continuously turned on to preheat the recording medium 6 and the toner image 10. By this preheating, water which may be contained when the recording medium is paper is removed to some extent, and the entire recording medium 6 is preheated.
- the far-infrared rays are efficiently absorbed not only by the toner image but also by the recording medium 2, so that the toner image and the recording medium by the radiant energy applied by the light source 9 of the flash light which is efficiently absorbed later by the toner image It suppresses the temperature difference between and and enables more firm fixing. That is, even if the radiant energy of the flash light source 9 is relatively low, it plays a role of assisting in obtaining good fixing performance.
- An exhaust port 16 for absorbing the odor or gas generated from the toner at the time of fixing is provided at the rear stage inside the fixing device.
- a xenon lamp was used as the flash light source 9.
- the external dimensions of the xenon lamp in this example are about 15 mm in diameter and about 425 mm in length of the light emitting part.
- the rated applied voltage is 1850 V, and the rated energy is 343 J. is there.
- the energy generated by the flash light source 9 is preferably 200 J or more.
- the xenon lamp was turned on at a period of 6.6 Hz along with the transport of the recording medium 6 (about 2 25 mm Z sec). That is, the xenon lamp was turned on on the recording medium 6 at intervals of about 34 mm.
- a restrictor 14 was provided between the flash light source 9 and the transport path of the recording medium 6.
- the restricting body 14 used was a grid-like thing formed by processing a 0.1 mm thick stainless steel plate (width: 14 mm, length: 44.1 mm) by etching.
- FIG. 5 shows the fixing device as viewed from the recording medium side.
- the restricting body 14 connects the wires parallel to the longitudinal direction of the one flash light source 9 having a width of 0.1 mm (the direction substantially perpendicular to the conveying direction of the recording medium 2), and interconnects them. Consists of multiple oblique wires. 1 One file
- the wires parallel to the longitudinal direction of the lash light source 9 were arranged so that the density was high at the portion directly below the flash light source 9 and lower at the periphery.
- the multiple slanted wires serve to interconnect the parallel wires and increase the limit.
- the stainless steel stitched restrictor 14 having a stitch structure was placed above the crow plate 12 and immediately below the flash light source 9, and both ends were fixed between the glass plate 12 and the casing 17.
- Polyester resin ("Tufton” TTR-2, manufactured by Kao Corporation) 24% by weight Magnetic substance (EPT-100, manufactured by Toda Kogyo) 74% by weight Charge control agent Bontron "S — 3 4: 1% by weight wax (manufactured by Saito Rient Chemical Co., Ltd.) 1% by weight (LUVAX—l 151: manufactured by Nippon Seisakusho) After sufficiently mixing the above components, a twin-screw extruder (PCM—30) After cooling, the mixture was cooled and coarsely pulverized with a coarse pulverizer (UG-210 KGS: Torai Iron Works) into a 2 mm p-pass, which was then medium pulverized.
- PCM—30 twin-screw extruder
- a resin carrier having a diameter of 50 m was obtained.
- a toner was manufactured using the following components.
- polyester resin (“Toughton” TTR-5, manufactured by Kao Corporation) 16% by weight of magnetic material (EPT-100) 0, manufactured by Toda Kogyo Co., Ltd.) 20% by weight
- hydrophobic silica fine powder manufactured by Hext Japan Co., Ltd .; HVK-210
- HVK-210 hydrophobic silica fine powder
- SMV- Manufactured by Ripotata Co., Ltd.
- the amount of benzene generated during heat treatment of this toner at 330 ° C. for 90 seconds was 9 ⁇ g / g.
- this toner was mixed with 10% by weight, and 90% by weight of the resin carrier manufactured in Reference Example 2 was blended to adjust a developer, and an image was displayed using the LED printer shown in Reference Example 1.
- the image quality was evaluated.
- This printer used a filter with an activated carbon content of 300 g. Good images were obtained both initially and after 900,000 prints. Initially, the amount of benzene in the exhaust gas after passing through the filter after 900,000 printing was measured, but there was no significant difference from the ambient air level of 1 ppb, and the atmospheric fluctuation level (0.3 ppb )
- a toner was prepared in the same manner as in Example 1 except that the charge control agent B was used instead of the charge control agent A in the composition of the toner.
- the amount of benzene generated in this toner at the time of heat treatment at 330 ° C. for 90 seconds was 1.
- a developer was similarly prepared using this toner. Using this developer, an image was formed in the same manner as in Example 1 using the LED printer shown in Reference Example 1 to evaluate the image quality. Good images were obtained at the initial stage and after 900,000 prints. Initially, the amount of benzene in the exhaust gas after passing through the filter after 900,000 printing was measured, but there was no significant difference between the ambient air level of 1 ppb? :: 3 ppb). Comparative Example 1
- a toner was prepared in the same manner as in Reference Example 3 of Example 1, except that "Bontron" N-O1 was used instead of the charge control agent A of Example 3.
- the amount of benzene generated during the heat treatment of this toner at 330 ° C. for 90 seconds was 100 gram / g.
- a developer was prepared in the same manner as in Example 1.
- an image was formed using the LED printer shown in Reference Example 1 in the same manner as in Example 1, and A quality assessment was performed. As a result of printing, a good image was obtained.
- the amount of benzene in the exhaust gas was measured, it was found to be 9 ppb, which was higher than the atmospheric level (1 ppb), and it was necessary to use a filter.
- a toner was prepared in the same manner as in Reference Example 3 of Example 1, except that "Bontron" N-13, which is an untreated Nig-mouth thin type charge control agent, was used instead of the charge control agent A of Reference Example 3.
- the amount of benzene generated during the heat treatment of this toner at 330 ° C. for 90 seconds was 150 g / g.
- a developer was prepared in the same manner as in Example 1.
- an image was produced using the LED printer shown in Reference Example 1 using this developer, and the image quality was evaluated. As a result of printing, a good image was obtained.
- a toner was prepared in the same manner as in Example 1 except that the charge control agent C was used instead of the charge control agent A in the composition of the toner.
- the amount of benzene generated from this toner during the heat treatment at 330 ° C. for 90 seconds was 74 ⁇ g / g.
- a developer was similarly prepared using this toner. Using this developer, an image was formed using the LED printer shown in Reference Example 1 in the same manner as in Example 1, and the image quality was evaluated. Good images were obtained at the initial stage and after printing 700,000. However, the amount of benzene in the exhaust gas after passing through the filter after printing 700,000 was 2 ppb, which is significant for the atmospheric fluctuation level (0.3 ppb). Exchange was needed. -Example 3
- a toner was prepared in the same manner as in Example 1 except that the charge control agent D was used instead of the charge control agent A in the composition of the toner.
- the amount of benzene generated from this toner during the heat treatment at 330 ° C. for 90 seconds was 32 gZg.
- a developer was similarly prepared using this toner. Using this developer, an image was formed in the same manner as in Example 1 using the LED printer shown in Reference Example 1 to evaluate the image quality. Good images were obtained at the initial stage and after 900,000 prints. Initially, the amount of benzene in the exhaust gas after passing through the filter after 900,000 printing was measured, but there was no significant difference from the ambient air level of 1 ppb, and the atmospheric fluctuation level (0.3 ppb )
- a toner was prepared in the same manner as in Example 1 except that the charge control agent E was used instead of the charge control agent A in the composition of the toner.
- the amount of benzene generated during the heat treatment of this toner at 330 ° C. for 90 seconds was 36 tg Zg.
- a developer was similarly prepared using this toner. Using this developer, an image was formed using the LED printer shown in Reference Example 1 in the same manner as in Example 1, and the image quality was evaluated. Good images were obtained at the initial stage and after 900,000 prints. Initially, the amount of benzene in the exhaust gas after passing through the filter after 900,000 prints was measured. There was no significant difference from the ambient air level of 1 ppb, and the atmospheric fluctuation level (0. 3 ppb).
- Tona 1 was produced using the following components.
- Polyester resin (“Toughton” TTR-2, manufactured by Kao Corporation) 60% by weight Polyester resin ("Toughton” TTR-5, manufactured by Kao Corporation) 16% by weight Magnetic material (EPT-1) 0 0 0, manufactured by Toda Kogyo Co., Ltd.) 20% by weight
- Ribonbon Black (Cabot Corporation; "Regal” 33 OR) 2% by weight 2% by weight ij phenylmethane-based charge control agent ("Copyble Ichi” PR, manufactured by Hexst Corporation). After sufficiently mixing the above components, they are melted and kneaded with a twin-screw extruder (PCM-30; Ikegai Co., Ltd.) and then finely pulverized with a jet mill pulverizer (PJM-100; Nippon Pneumatic Co., Ltd.). After that, the toner was classified using an air classifier (A-12; manufactured by Alpine) to obtain a toner having a weight average particle size of 8 ⁇ m.
- PCM-30 twin-screw extruder
- JM-100 jet mill pulverizer
- A-12 air classifier
- hydrophobic silica fine powder manufactured by Hextr Japan; HVK-210) is added to the toner, and a super mixer (SMV- 20; manufactured by Kadita Co., Ltd.) to adjust the toner to obtain a positively charged toner.
- the amount of benzene generated from this toner during the heat treatment at 330 ° C. for 90 seconds was no g.
- this toner was mixed with 10% by weight, and 90% by weight of the resin carrier manufactured in Reference Example 2 was blended to adjust a developer, and an image was displayed using the LED printer shown in Reference Example 1.
- the image quality was evaluated. Printing was performed without using a filter on this printer. As a result of printing, a good image was obtained.
- the amount of benzene in the exhaust gas was measured. There was no significant difference from the ambient atmospheric level Ippb, which was below the atmospheric fluctuation level (0.3 ppb).
- a toner was prepared in the same manner as in Example 5, except that "Brilliant Blue Base” SM (manufactured by Hextor) was used in place of "copy blue", which is a triphenyl methane-based charge control agent.
- the amount of benzene generated in this toner during the heat treatment at 330 ° C. for 90 seconds was 4 g / g.
- a developer was prepared in the same manner as in Example 5. Using this developer, an image was displayed at the LED printer shown in Reference Example 1 in the same manner as in Example 5, and the image quality was evaluated. As a result of printing, a good image was obtained.
- the amount of benzene in the exhaust gas was measured. There was no significant difference from the ambient air level of 1 PPb, which was below the atmospheric fluctuation level (0.3 tap b).
- a toner was manufactured using the following components.
- Polyester resin (Tufton” TTR-2, manufactured by Kao Corporation) 60% by weight Polyester resin Tufton “TTR-5, manufactured by Kao Corporation” 16% by weight Magnetic material (EPT-100) 0, manufactured by Toda Kogyo Co., Ltd.) 20% by weight
- Charge control agent for quaternary ammonium salt compound 2% by weight
- this toner was blended with 10% by weight with 90% by weight of the resin carrier manufactured in Reference Example 2 to adjust the developer, and an image was displayed using the LED printer shown in Reference Example 1.
- the image quality was evaluated. Printing was performed without using a filter on this printer. As a result of printing, a good image was obtained.
- the amount of benzene in the exhaust gas was measured, but there was no significant difference from the ambient atmospheric level of 1 ppb, which was below the atmospheric fluctuation level (0.3 ppb).
- Example 8 A toner was prepared in the same manner as in Example 7, except that TP—415 (manufactured by Hodogaya Chemical Co., Ltd.), which is a charge control agent for the quaternary ammonium salt compound of Example 7, was used instead of “TP—302”.
- TP—415 manufactured by Hodogaya Chemical Co., Ltd.
- the amount of benzene generated during heat treatment at 330 ° C. for 90 seconds for this toner was 2 g, and a developer was prepared in the same manner using this toner.
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Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP53556498A JP4131570B2 (ja) | 1997-02-12 | 1998-02-10 | 静電潜像現像用トナー組成物の評価方法 |
DE69837641T DE69837641T2 (de) | 1997-02-12 | 1998-02-10 | Tonerzusammensetzung zur entwidelung elktrostatischer bilder |
KR10-1998-0708084A KR100473746B1 (ko) | 1997-02-12 | 1998-02-10 | 정전잠상현상용토너조성물 |
CA002251600A CA2251600C (en) | 1997-02-12 | 1998-02-10 | Toner composition for developing electrostatic latent image |
EP98901577A EP0896253B1 (en) | 1997-02-12 | 1998-02-10 | Toner composition for developing electrostatic latent image |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP9/28067 | 1997-02-12 | ||
JP2806797 | 1997-02-12 |
Publications (1)
Publication Number | Publication Date |
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WO1998036327A1 true WO1998036327A1 (fr) | 1998-08-20 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP1998/000545 WO1998036327A1 (fr) | 1997-02-12 | 1998-02-10 | Composition de toner pour developper une image latente electrostatique |
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Country | Link |
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EP (1) | EP0896253B1 (ja) |
JP (1) | JP4131570B2 (ja) |
KR (1) | KR100473746B1 (ja) |
CN (2) | CN100392520C (ja) |
DE (1) | DE69837641T2 (ja) |
TW (1) | TW518453B (ja) |
WO (1) | WO1998036327A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US6824943B2 (en) | 2002-02-28 | 2004-11-30 | Dainippon Ink And Chemicals, Inc. | Toner for electrostatic image development |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4156759B2 (ja) * | 1999-10-20 | 2008-09-24 | 富士ゼロックス株式会社 | 画像形成用トナー、2成分現像剤、画像形成方法及び画像形成用トナーの製造方法 |
TW200519552A (en) | 2003-10-16 | 2005-06-16 | Mitsui Chemicals Inc | Resin microparticle as raw material for toner, aqueous dispersion system thereof and toner |
US9023566B2 (en) | 2013-07-17 | 2015-05-05 | Stratasys, Inc. | ABS part material for electrophotography-based additive manufacturing |
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JPS5632855U (ja) * | 1979-08-21 | 1981-03-31 | ||
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JPH07110596A (ja) * | 1993-08-18 | 1995-04-25 | Mitsubishi Chem Corp | フラッシュ定着用トナー |
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JPH0825852A (ja) * | 1994-07-13 | 1996-01-30 | Shimadzu Corp | チャート用紙 |
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US4539284A (en) * | 1984-04-16 | 1985-09-03 | Xerox Corporation | Developer compositions with infrared absorbing additives |
JPH04186250A (ja) * | 1990-11-21 | 1992-07-03 | Fuji Xerox Co Ltd | 電子印刷用トナー |
US5591557A (en) * | 1993-01-22 | 1997-01-07 | Research Laboratories Of Australia Pty Ltd. | Liquid developer including organo titanate charge control agent for electrostatography |
JP2826955B2 (ja) * | 1993-06-22 | 1998-11-18 | 三洋化成工業株式会社 | 荷電制御剤、トナーバインダー組成物および電子写真用トナー |
JPH08179549A (ja) * | 1994-12-26 | 1996-07-12 | Iwatsu Electric Co Ltd | 磁気潜像現像用トナー |
JPH08254852A (ja) * | 1995-03-17 | 1996-10-01 | Fujitsu Ltd | 電子写真用トナー |
US5700617A (en) * | 1995-10-12 | 1997-12-23 | Canon Kabushiki Kaisha | Toner for developing electrostatic images and charge-controlling agent |
JPH09329912A (ja) * | 1996-06-10 | 1997-12-22 | Dainippon Ink & Chem Inc | フラッシュ定着用静電荷像現像用トナー |
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1998
- 1998-02-10 JP JP53556498A patent/JP4131570B2/ja not_active Expired - Fee Related
- 1998-02-10 DE DE69837641T patent/DE69837641T2/de not_active Expired - Lifetime
- 1998-02-10 KR KR10-1998-0708084A patent/KR100473746B1/ko not_active IP Right Cessation
- 1998-02-10 CN CNB031549705A patent/CN100392520C/zh not_active Expired - Fee Related
- 1998-02-10 EP EP98901577A patent/EP0896253B1/en not_active Expired - Lifetime
- 1998-02-10 WO PCT/JP1998/000545 patent/WO1998036327A1/ja active IP Right Grant
- 1998-02-10 CN CNB988002760A patent/CN1300642C/zh not_active Expired - Fee Related
- 1998-02-10 TW TW087101749A patent/TW518453B/zh not_active IP Right Cessation
Patent Citations (5)
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JPS5632855U (ja) * | 1979-08-21 | 1981-03-31 | ||
JPS6194859U (ja) * | 1984-11-29 | 1986-06-18 | ||
JPH07191492A (ja) * | 1992-12-18 | 1995-07-28 | Fujitsu Ltd | フラッシュ定着用カラートナーおよびその製造方法 |
JPH07110596A (ja) * | 1993-08-18 | 1995-04-25 | Mitsubishi Chem Corp | フラッシュ定着用トナー |
JPH0825852A (ja) * | 1994-07-13 | 1996-01-30 | Shimadzu Corp | チャート用紙 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US6824943B2 (en) | 2002-02-28 | 2004-11-30 | Dainippon Ink And Chemicals, Inc. | Toner for electrostatic image development |
Also Published As
Publication number | Publication date |
---|---|
DE69837641T2 (de) | 2008-01-03 |
CN1547080A (zh) | 2004-11-17 |
DE69837641D1 (de) | 2007-06-06 |
JP4131570B2 (ja) | 2008-08-13 |
CN100392520C (zh) | 2008-06-04 |
CN1300642C (zh) | 2007-02-14 |
KR100473746B1 (ko) | 2005-12-21 |
TW518453B (en) | 2003-01-21 |
EP0896253A1 (en) | 1999-02-10 |
EP0896253A4 (en) | 2000-05-10 |
KR20000064882A (ko) | 2000-11-06 |
CN1219249A (zh) | 1999-06-09 |
EP0896253B1 (en) | 2007-04-25 |
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