CN1219249A - Toner composition for developing electrostatic latent image - Google Patents
Toner composition for developing electrostatic latent image Download PDFInfo
- Publication number
- CN1219249A CN1219249A CN199898800276A CN98800276A CN1219249A CN 1219249 A CN1219249 A CN 1219249A CN 199898800276 A CN199898800276 A CN 199898800276A CN 98800276 A CN98800276 A CN 98800276A CN 1219249 A CN1219249 A CN 1219249A
- Authority
- CN
- China
- Prior art keywords
- toner
- controlling agent
- charged controlling
- image
- benzene
- Prior art date
- 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.)
- Granted
Links
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Images
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
Abstract
The present invention provides development toner composition for electrostatic latent image used in image forming process containing image fixation means which is used to fix the toner image on recording medium by flash light wherein toner composition at least contains binding resin, coloring agent and charge-controlled agent, the said toner composition being characterized in that when heated at 300 DEG C for 90 sec., the concentration of benzene is lower than 60 [mu]g/g. The development toner composition for electrostatic latent image provided from the present invention can make a filter durable or the filter is not requisite when the development toner composition is used.
Description
Technical field
The present invention relates to be used in the electrofax development that electrostatic latent image is developed with powder (below, be called toner (toner) composition), particularly relate at high temperature carrying out the laser beam printer or the suitable electrostatic latent image method for producing toner and toner of LED printer of flash fusing on by the lettering object.
Technical background
Xerography, by uniform electrostatic charge for the charged operation on the photoreceptor that has utilized the photoconduction isoelectric substance, irradiates light forms the exposure process of electrostatic latent image, make the developing procedure of toner electrostatic adhesion on the latent image part, copy to the copy process that the toner image support gets on, use pressure, instantaneous flash etc. make the photographic fixing operation of this toner image photographic fixing to the toner image support, remove the clearing process that does not duplicate toner that remains on the photoreceptor and remove the electrician's preface of removing that electrostatic charge on the photoreceptor turns back to original state and constitute, carry out these operations repeatedly and just can obtain image.
This is as the pressure photographic fixing mode of one of fixation method in the electrophotographic printer, can work immediately though have, owing to well heater is not used as thermal source thereby power consumption is little, and the advantage of danger that nothing is caught fire in the photographic fixing part or the like, but, because it is poor to exist the fixation performance of image, the shortcoming that the obvious thereby quality of gloss of image is low etc. is favourable so utilize the photographic fixing mode of heat fixer mode in general.In this heat fixer mode, people know has the Contact Heating photographic fixing mode of using heat roller fixation and uses instantaneous flash and carry out the noncontact heat fixer mode that the noncontact heat fixer mode of photographic fixing and application makes it to pass through in the heating atmosphere of electrothermal heater heated oven photographic fixing are carried out.
The present invention relates to the representational photographic fixing of carrying out with flash of light in the noncontact heat fixer mode, but the flash fusing mode is to use the luminescent spectrum of xenon lamp or Halogen lamp LED etc. the following short irradiation of millisecond to the video of toner, and being fixed to method (spy opens flat 7-107605 communique) on the toner support after making the toner fusion softening with its radiation heat, this method has the following advantages.
(1) owing to being the noncontact photographic fixing, so can not make the sharpness deterioration of the image when developing.
(2) stand-by period after not having power supply to drop into, can start fast.
(3) even if can not catch fire owing to system-down is stuck in the fuser recording chart etc. yet.
(4) good fixation performance is arranged, and irrelevant with the kind (material of recording chart, paper with welt seam, ground paper etc.) of toner support.
(5) have only this toner as the word segment of black just to be heated, so there is not the thermal shrinkage of recording chart etc., the transporting property of printer paper is good, can flying print.
But, the flash fusing mode, owing to be non-Contact Heating mode, so the peripherad escape ratio of energy height, in addition, owing to be so that the intermittent energy irradiation is more bad than the thermal efficiency with heat roller fixation.In other words, be the big photographic fixing mode of a kind of power consumption.Have again, also there is following problems in the flash fusing mode: owing to shine high-octane flash of light sharp in the time of extremely weak point, so the surface temperature of the composition of toner is reaching the high temperature of hundreds of degree in a flash, the additives decompose of the composition of part toner becomes gas and emits stench, perhaps produces the such decomposition product of harmful gas.
In the printer that adopts the flash fusing mode, in general, the generation of the analyte when removing flash fusing, thus in the flash fusing part, adopt to attract these decomposition products, and make it to adsorb the method for catching harmful gas by the filtrator of activated charcoal etc.But, but exist the problem that the operating cost that will use filtrator and cause owing to the exchange lifetime of filtrator rises.
The present invention invents in order to address these problems, purpose provides a kind of in the printer that adopts the flash fusing mode, the way that adopt to suppress the generation of decomposition product makes no longer uses filtrator, perhaps solves the toner composition for developing electrostatic latent image of the problem that operating cost that exchange lifetime because of filtrator or the like produces rises.
Disclosure of an invention
The present invention relates to a kind of fixation method of method for producing toner and toner, the feature of this method is, make at least by adhering resin, when the method for producing toner and toner flash fusing that colorant and charged controlling agent constitute, application is selected from quaternary ammonium salt, and the triphenylmethane based compound is perhaps by under the temperature below 250 ℃ more than 100 ℃, and, the charged controlling agent of selecting in the group that the nigrosine based compound under the vacuum tightness below the 0.2MPa after the heating in vacuum constitutes.
In addition, the invention still further relates to a kind of toner composition for developing electrostatic latent image, at least by adhering resin, in the method for producing toner and toner that colorant and charged controlling agent constitute, it is characterized in that the generation concentration of the benzene that produces is below the 60 μ g/g when heating 90 seconds down for 330 ℃.
The simple declaration of accompanying drawing
The schematic section of Fig. 1 illustrates image generation apparatus of the present invention.
The schematic section of Fig. 2 illustrates fixing device of the present invention.
Fig. 3 shows the distribution of radiation energy on recording medium that the figure fixing device of the embodiment of Fig. 2 is produced.
The schematic section of Fig. 4 illustrates an embodiment of fixing device of the present invention.
The schematic section of Fig. 5 illustrates an embodiment of image fixing device of the present invention.
Fig. 6 is the embodiments of the invention when the side of recording medium is seen.
Symbol description 1: photosensitive drums 2: charged device 3: exposure device 4: developing apparatus 5: transfer belt electrical equipment 6: recording medium 7: fuser 8: cleaning brush 9: xenon lamp (stroboscopic light sources) 10: toner 11: reflecting plate 12: glass plate 13: casing 14: Halogen lamp LED 15: restriction body 16: exhaust 17: housing
The optimum implementation that carries out an invention
Method for producing toner and toner of the present invention, in the time of 90 seconds, the generation of the benzene of generation is dense 330 ℃ of lower heating Degree is below 60 μ g/g, preferably below the 40 μ g/g. Generation concentration at benzene surpasses 60 μ g/g's Just have in the situation and take to strengthen the necessity of taking off the measures such as cigarette filter.
Here, although what be concerned about is to determine the necessity of filter and the catabolite in life-span, from The legal management aspect will become problem as the generation of catabolite benzene. As measuring benzene The method of generation although make the printer operation, is gathered the Exhaust Gas that produces thus and is carried out quantitatively Method, but owing to exist the problem of the impacts such as factor beyond the problem of sampling and the toner, So can not get the preferred characteristic as toner. The inventor etc. carry out the condition of practical repeatability Continue research, the amount of finding to be used in the benzene that 330 times heating produced in 90 seconds can become judges toner The benchmark of quality, as this generation, if find the following toner with 60 μ g/g, then can be significantly Degree ground prolongs the life-span of filter.
, when the flare voltage relevant with the energy that glistens changed, during with the voltage of normally used 1850V, can confirm to have the generation of benzene here, and when dropping to 1750V, the generation of discovery benzene reduces significantly.Toner during flash fusing, though people's deduction meeting moment property be exposed in the high temperature, when inferring its voltage conditions indirectly, corresponding with the decomposition condition of institute's time spent 330 ℃ near as can be known with the known property material of decomposition temperature.In other words, if 330 ℃ of following characteristics of decomposition materials estimate the generation of the benzene of toner under enough 90 seconds these conditions, then finding has good relationship between the amount of its evaluation result and the benzene that produces from the printer of reality.
Assay method as the generation of benzene, just need not to manage it be any method so long as can be determined at the amount of 330 ℃ of benzene that produce between 90 seconds, for example, it is that the glass container of 20ml goes that number 10mg sample is put into internal capacity, and after having carried out the nitrogen displacement, seal, with 330 ℃ electric furnace heating 90 seconds, the gas phase 0.5ml in the glass container is injected into the generation of studying benzene in the gas chromatograph.Though provided the test condition of the gas chromatograph that will use here,, be any method so long as can repeatability just needn't question closely the benzene quantitative methods well, for example can measure with following condition.
GC conditions post: SPB-1 S 0.32mm * 60mm
Carrier gas: He
Column temperature: 50 ℃ → 280 ℃ (10 ℃/minute)
Detecting device: FID
Injection rate IR: 0.5ml
As for the means that realize such generation, though multiple means are arranged, but the inventor etc. have carried out the result of further investigation to the generation reason of benzene, find the following fact: the generation of this benzene is usually that the charged controlling agent of used nigrosine system is subjected to decomposing behind the luminous energy of flash fusing and produces benzene.Therefore, preferably adopt following method.
(1) removes the material of the generation benzene in the charged controlling agent of nigrosine system
To the result that the mechanism of production of the benzene of the charged controlling agent of nigrosine system is studied, learn when existing the benzene that the decomposition by key component produces, also exist the benzene that produces by the impurity that is contained in the charged controlling agent.Therefore, though can enumerate the method that adopts the method carry out vacuum heating treatment to remove impurity as the method for removing impurity, the method of cleaning with organic solvent or the like method with ethanol etc., but from the easiness of operation, the method for carrying out vacuum heating treatment is preferred.
(2) use the charged controlling agent that does not produce benzene
Charged controlling agent as such preferably utilizes quaternary ammonium salt, triphenylmethane based compound frenulum controling agent.
Because under the situation of using quaternary ammonium salt, be difficult to give toner good charging property, in addition, use under the situation of triphenylmethane based compound frenulum controling agent, under the situation of photographic fixing high temperature, decompose the phenomenon that the lettering periphery is contaminated in the back from charged controlling agent, it is more preferred removing the method that benzene in the charged controlling agent of nigrosine system produces material.
Here, using under the situation of quaternary ammonium salt as charged controlling agent, preferably: the negative ion of quaternary ammonium salt is the inorganic anion that contains molybdenum or tungsten atom.As the object lesson of inorganic anion, can enumerate molybdic acid, wolframic acid, phosphomolybdic acid, silicomolybdic acid, phosphotungstic acid, silico-tungstic acid, phosphotungstomolybdic acid, silicon tungsten molybdic acid, chrome molybdenum acid etc.
As the object lesson of such quaternary ammonium salt, can enumerate the TP-302 that the chemical society of Bao Tugu (Hodogaya) produces, 415 etc.
As the addition of quaternary ammonium salt, for method for producing toner and toner 100 weight portions, preferably 0.1～5 weight portion.If less than 0.1 weight portion then can not be given toner enough charging property, under the situation that has surpassed 5 weight portions, because charged controlling agent and other ratio of component cost costliness, so cost will rise.
As charged controlling agent under the situation of using triphenylmethane frenulum controling agent, can enumerate C.I.Solvent Blue 66,124 as triphenylmethane frenulum controling agent, C.I.PigmentBlue 61,56,19,18 etc. preferably use C.I.Solvent Blue 124.Can enumerate " Copy Blue " PR that Hoechst company produces as the object lesson of such triphenylmethane frenulum controling agent, " Brilliant Blue Base " SM, " BASF Alikali Blue " NBD 6165 DLD that BASF Japanese firm produces or the like.
As the addition of triphenylmethane frenulum controling agent, for method for producing toner and toner 100 weight portions, preferably 0.1～5 weight portion.If less than 0.1 weight portion then can not be given toner enough charging property, under the situation that has surpassed 5 weight portions, because charged controlling agent and other ratio of component cost an arm and a leg, so cost will rise.
In addition, carry out in the method for vacuum heating treatment at charged controlling agent nigrosine system, preferably more than 100 ℃ below 250 ℃, and carry out vacuum heating treatment under the vacuum tightness below the 0.2MPa, preferably more than 100 ℃ below 250 ℃, and carry out vacuum heating treatment under the following vacuum tightness of 0.05MPa, more preferably more than 130 ℃ below 220 ℃, and carry out vacuum heating treatment under the following vacuum tightness of 0.03MPa.
The generation of the benzene when suppressing flash fusing with such processing can not be estimated.This is because if charged controlling agent, and for example, the nigrosine based compound has produced benzene because of the thermal decomposition of itself, removes the cause that benzene produces the source with regard to unimaginable with vacuum heating treatment etc.The present invention just begins to conceive just because of being conceived to this point of the benzene generation not charged controlling agent in source own.
As 100 ℃ of heating-up temperature less thaies, then can not suppress the generation of decomposition product, just do not have the effect in the life-span that prolongs filtrator, surpassing under 250 ℃ the situation, the decomposition of charged controlling agent itself begins, and has lost the charged function of giving as charged controlling agent.Be higher than in vacuum tightness under the situation of 0.2Mpa,, need the long vacuum heating treatment time, lack practicality in order to tell on.The amount of the charged controlling agent of nigrosine system is all for method for producing toner and toner, preferably 0.1～5 weight %, more preferably 0.5～2 weight %.
In addition, in the method for the charged controlling agent that is with organic solvent cleaning treatment nigrosine, can enumerate methyl alcohol as organic solvent, ethanol, propyl alcohol, isopropyl alcohol, the alcohols of butanols etc., acetone, methyl ethyl ketone, methyl isobutyl ketone, the ketone of hexanone etc., toluene, fragrant same clan of dimethylbenzene etc. or the like preferably carries out cleaning treatment with alcohols.
Concrete grammar as cleaning treatment can be enumerated following method: the operation of using the organic solvent of several times to clean repeatedly to the charged controlling agent of nigrosine system at normal temperatures.
Method for producing toner and toner of the present invention is at least by adhering resin, and colorant and charged controlling agent constitute, and now these compositions are described.
As the adhering resin that is contained in the method for producing toner and toner among the present invention, can use known adhering resin, for example, polystyrene homopolymer, styrene-isobutylene copolymers, Styrene-Butadiene, acrylonitrile-butadiene-styrene copolymer, styrene-propene acid based copolymer, styrene-methylmethacrylate copolymer, styrene-n-BMA multipolymer, the styrol copolymer of styrene-glycidyl methacrylate copolymer etc., polymethylmethacrylate, polyethyl methacrylate, Vinalac 5920, the acrylic acid series homopolymer or the multipolymer of poly (glycidyl methacrylate) etc., polyethylene terephthalate, fumaric acid/etherificate biphenyl is polyester, the polyester based resin of the cross-linked polyester that polyvalent alcohol and/or polybasic carboxylic acid form etc. and epoxy resin or the like.Wherein, the foul smell that thermal decomposition produced when reducing flash fusing, polyester based resin is suitable.
Though have no particular limits, but be to be that in the acid constituents that constitutes of dicarboxylic acid and the alkoxide component 80 moles are the vibrin that is obtained by the alkoxide component that bisphenol-A alkene epoxide addition product constitutes more than the % more than the % preferably by phthalic acid by 80 moles in the acid constituents of vibrin.In addition, consider fixation performance, preferably 80～130 ℃ of softening points, preferably 55～70 ℃ of glassy state inversion points (Tg), melt viscosity 10000 centipoises that record with flowmeter arrive preferably 90～135 ℃ of temperature, the number-average molecular weight of the molecular weight distribution of vibrin is 2500～4500, and weight-average molecular weight is 7000～130000th, and is suitable.
As the colorant that contains in the method for producing toner and toner among the present invention, can also use well-known colorant, for example, remove furnace black, acetylene black, outside the carbon black of channel black etc., ferromagnetism body particulate for example, can use the magnetic iron ore fine-particle powder.In addition, can also mix use to ferromagnetism body particulate and carbon black as black colorant.In these colorants, the dispersion in the adhering resin of carbon black is important on the charged stability of toner, can use spreading agent as required together.The amount of carbon black is with respect to method for producing toner and toner 100 weight portions, preferably 1～10 weight portion.Under the situation of less than 1 weight portion, the hidden power deficiency of adhering resin can not get enough image concentrations.On the other hand, under the situation that has surpassed 10 weight portions, though in the hidden power that increases the image that will form, it is preferred improving the image concentration aspect, opposite is, the chain structure that depends on the carbon black that forms in the toner, toner particle will become and has excessive electric conductivity, and insulativity is caused damage, and reduces the charging property of toner, the result reduces image concentration, and then the increase blank sheet of paper is stained or toner disperses.
In method for producing toner and toner of the present invention,, can add mean grain size as required and be 0.005～1.0 micron inorganic particles, organic fine particles as mobile improver.As inorganic particles, can use silicon dioxide, titanium dioxide, the particulate of aluminium oxide etc.Particularly for positively obtaining on the high fluidity this point, the silicon dioxide microparticle after the hydrophobic treatments is preferred.As organic fine particles, can use the polyvinylidene fluoride particle, polymethylmethacrylate, fluorine resin, the resin particle of silicone resin etc.
Preferably 4～20 microns of the mean grain sizes of method for producing toner and toner of the present invention, 6～12 microns then more preferred.The mean grain size of toner owing to being difficult with the existing comminuting method manufacturing of mixing, so product yield significantly reduces, is surpassing under 20 microns the situation under the situation of 4 microns of less thaies, then will produce the bad problem of repeatability of fine rule.
Used in the present invention method for producing toner and toner can use well-known method manufacturing.In other words, for example using super mixer to adhering resin, colorant, the method for producing toner and toner of the disperse additive of charged controlling agent and interpolation as required etc. has carried out after the ready-mixed, disperse equably with 2 extruders, fusion is mixed, again with jet mill carried out micro mist broken after, with just obtaining desirable method for producing toner and toner after the air classifier classification.
Method for producing toner and toner of the present invention with can be used as two-component developer after carrier mixes.In addition, when method for producing toner and toner contains magnetic, also can intactly be used for the development of electrostatic latent image as the developer of component system.Carrier is by iron, manganese, and cobalt, nickel, the metal of chromium etc. or cobalt dioxide, di-iron trioxide, tri-iron tetroxide, the magnetic material of metal oxide that waits or ferrite etc. constitutes, and ferrite is a kind ofly can use formula M Fe
2O
4The material of (M is Mn, Co, Mg, Zn or Cu) expression.In addition, when constituting carrier,, preferably be pre-formed oxidation film in order to prevent the oxidation of carrier surface with metal.Also have, except the magnetic iron ore particulate, the ferrite particulate has manufactured the magnetic iron ore of particle, outside the ferrite carrier, can also be with making magnetic iron ore particulate or ferrite particulate and charged controlling agent be distributed to so-called resinousness carrier in the whole resin.In addition, in order to improve the purpose of carrier surface charged characteristic, also can by be covered be contained in method for producing toner and toner in the identical resin of resin or different resins.
Though the general usefulness of the particle diameter of carrier is 20～200 microns carrier, with 20～60 microns small particle diameter carrier, owing to obtaining good lettering concentration, so be preferred.The assay method of the particle diameter of carrier is measured with laser diffraction formula particle size distribution machine SALD-200J (Shimadzu Seisakusho Ltd.'s production).
The two component system developer can make method for producing toner and toner mix with above-mentioned carrier and make.The match ratio of method for producing toner and toner is about 5～30 weight % usually with respect to the total amount of method for producing toner and toner and carrier, but that this match ratio depends on the different degree of the charging property of the kind of carrier or used toner and visualization way is very big.Because the carrier particle diameter specific surface area of vectorette more just increases more, liken to greatly so generally toner is cooperated.Under the low excessively situation of toner concentration in developer, image concentration is thin out, perhaps is easy to take place carrier and is attached to so-called carrier on the photoreceptor in the phenomenon of last (carrier over).On the other hand, under the too high situation of toner concentration, owing to stain or the toner formed printer inner and outer pollution of dispersing becomes very showy because of the blank sheet of paper of visual background parts, so appropriate match ratio should carry out determining after the lettering evaluation with printer in reality.
Toner composition for developing electrostatic latent image of the present invention uses in the image fixing device that makes the toner image photographic fixing on the recording medium with flash of light.More preferably in the following image fixing device of feature, use: be provided with between above-mentioned light source and the recording medium light source from flash of light is sent, should give the restriction body that the radiant of the toner image on the recording medium partly limits.In addition, preferably use the following image fixing device of feature: on the part of outer wall of the light source of flash of light, be provided with the restriction body that partly limits radiant.
In addition, in image fixing device of the present invention, above-mentioned restriction body preferably has reflection, and scattering or refraction are from the character of the radiant of above-mentioned light source.
In the image fixing device of the present invention, but the radiant that the preferred strong restrictions of above-mentioned restriction body is shone to the recording medium subregion, and limit the radiant that shines to the recording medium subregion very weakly; If in the time of need not limiting body, then the former will be applied at least a portion in high radiant zone, the latter is can regional at least a portion with being applied in low emission.
In addition, in image fixing device of the present invention, preferably possesses following preheating device: before giving toner image radiant, above-mentioned recording medium is carried out preheating with above-mentioned light source.
In the present invention, so-called " restriction radiant " refers to and adopts the radiant that the restriction body is placed on stroboscopic light sources to produce the way between the path of transporting of position and recording medium, radiant is absorbed, reflection, scattering or refraction, make and do not exist the radiant of giving recording medium or the toner image privileged site on it (under many circumstances, being the highest position of energy density) under the situation that limits body to reduce a part.But, be limited the radiant that body covers here, preferably make it by means of reflection, other positions of recording medium are given in scattering or refraction.So, just can homogenization with the distribution on carriage direction of radiant that is endowed the toner of recording medium or its top.In addition, the restriction body also can be positioned at light source the surface or its near.
In the present invention, as recording medium, so long as be used for toner image is carried out photographic fixing, what can.In many cases, the sheet-like article with paper, plastic foil, cloth and silk, sheet metal etc. is preferred.If with paper or plastic foil owing to might be out of shape, perhaps burn going bad of waiting because of excessive heating, so be can the maximum decrease of power density of the present invention suitable application.
With Fig. 1 representational image forming method used in method for producing toner and toner of the present invention is described, and the summary situation of electrophotographic printer (image processing system).In electrophotographic printer, form toner image in the top of photosensitive drums 1.At first, make photosensitive drums 1 charged equably with charged device 2.Next, the exposure device 3 that apparatus has led array or laser beam optionally exposes according to the pattern space of wanting to form.Utilize developer to develop for the latent image that is formed at photosensitive drums 1 top with developing apparatus 4, form toner image in photosensitive drums 1 top.The toner image after similarly developing is copied to the top of recording medium 6 with transfer belt electrical equipment 5.On one side transport recording medium 6 with constant speed, one side is carried out fusion with fuser 7 and is fixed.
Be not copied to the toner image on the recording medium, remove with the cleaning brush 8 that adds negative bias, return original state for toner.
Use Fig. 2,3 explanation restriction bodies.Fig. 2 is the key diagram that explains fuser 7.In fuser, shine the radiant that the toner image 10 that is positioned on the recording medium 6 is carried out photographic fixing by means of the photo-thermal change action with stroboscopic light sources 9.This stroboscopic light sources can use xenon lamp, neon lamp, argon lamp, krypton lamp or the like.In order to effectively utilize radiant, reflecting plate 11 is set on the stroboscopic light sources back portion from the radiation light source.In addition, in order to constitute fixing device, sometimes also has glass plate 12, casing 13.The radiant that shines in from stroboscopic light sources 9 is with the composition that reflects back from backside reflection plate 11 and be in the same place, and sees through glass plate 12, and irradiation is at the toner image 10 of recording medium 6 tops formation.The radiant that is shone is optionally absorbed by toner image 10, makes toner heating fusion, is fixed on the recording medium 6.Radiant on the recording medium 6 distributes the highest in the part of the positive bottom that is equivalent to stroboscopic light sources 9 usually as shown in Figure 3, does not carry out under the situation of radiant restriction known shape with intimate Gaussian distribution the present invention resembling.
So, restriction body 14 is configured so that to be positioned at the centre of stroboscopic light sources 9 and recording medium 6 and the bee-line top between stroboscopic light sources 9 and recording medium 6.So, just can be configured to restriction body 14 in recording medium 6 tops irradiations and on the light path of the part of high radiant, partly reduce the radiant that comes out from stroboscopic light sources 9 irradiations.Use this effect, the peak value at the positive following high radiant that produces of stroboscopic light sources 9 is reduced, and as shown in Figure 3, can make the distribution homogenization of radiant.
And, adopt and make not absorbing light of this restriction body 14, that is, make it to have the way of the character that spreads or reflect, can expect the effect of the radiant migration peripheral part of the positive bottom that concentrates on stroboscopic light sources 9 originally.In addition, because absorbing light not, restriction body 14 is also few because of the heat that absorbs radiant and send, and can expect stable effect.As the material that can expect such effect, can consider metal net as reflecting member, grid or chromium vapor-deposited film.Under the situation of net and grid, heat-resisting weatherability aspect, stainless steel is preferred.As pervasion component, can consider stable on heating optical diffusing plate or the like.As optical diffusing plate, can consider the abrading glass behind the glass surface roughening.In addition, can consider columniform prism as the refraction member.Also have, chromium vapor-deposited film or optical diffusing plate usefulness are being limited under the situation of body 14, restriction body 14 and glass plate 12 also can form integrated.
Have again,, adopt the way of the limitation rate variation that makes radiant, can obtain distributing than the radiant of homogeneous for the carriage direction of recording medium 6.That is, near more from stroboscopic light sources 9, the part that radiant is high more just has stronger restriction to restriction body 14 more.Specifically, under the situation of metal net and grid, as long as just high more the closer to the density of central portion subnetting, the peripheral part density of then netting just gets final product with decline more.Under the situation of chromium vapor-deposited film, adopt middle body just to increase the amount of metal evaporation more, peripheral part just reduces the way of metal evaporation amount more, just can realize.
In Fig. 3, show the distribution example of the radiant of recording medium 6 tops under the situation of the situation of restricted body 14 and unrestricted body.As seen from the figure, when restricted body 14, can obtaining comparatively, the radiant of homogeneous distributes.
Glass plate 12 for paper powder or the toner itself that prevents to produce from recording medium, perhaps from the pollution stroboscopic light sources 9 and the reflecting plates 11 such as gas of toner generation, preferably is between stroboscopic light sources 9 and the recording medium 6.In addition, adopting the way of restriction body 14 being located at stroboscopic light sources one side of glass plate 12, can prevent to limit body 14 because of the pollution that toner 10 grades cause, is preferred.
Also have, as shown in Figure 4, also can be formed in restriction body 14 on the outer wall of stroboscopic light sources.Because and forming as one of stroboscopic light sources, so have can simplification device advantage.
Below, embodiments of the invention are described particularly, still, the present invention is not limited by these embodiment.
Embodiment
Reference example 1 (details of fixing device)
Comprise electrostatic latent image of the present invention used fixing device in the photographic fixing of method for producing toner and toner, the summary of the electrophotographic printer of fixation method (image processing system) with Fig. 1 explanation.In electrophotographic printer, form toner image in the top of photosensitive drums 1.At first, make photosensitive drums 1 charged equably with charged device 2.Secondly, the exposure device 3 with possessing led array or laser beam according to the image of wanting to form, optionally exposes to spatiality.To at the formed latent image in photosensitive drums 1 top, develop with the developer 4 that utilizes toner, form toner image in photosensitive drums 1 top.With transfer belt electrical equipment 5, the toner image after developing through such processing is copied to recording medium 6 tops.On one side transport recording medium 6 with constant speed, Yi Bian be used in above-mentioned embodiment shown in such fuser 7 carry out fusion and fix.
To fixing device of the present invention, the embodiment of fixation method describes with Fig. 1.In the present embodiment, be the halogen lamp 15 and the stroboscopic light sources 9 of the radiation heat energy of principal ingredient with producing near the far infrared of peak wavelength 2～5 microns with energy, the toner image photographic fixing on the recording medium on the inner the first section of fuser.Make halogen lamp 15 continuous bright lamps, recording medium 6 and toner image 10 are preheated.By preheating, removing in recording medium to a certain extent is the moisture that usually can contain under the situation of paper and so on, and recording medium 6 is all carried out preheating.Because far infrared not only can be absorbed by toner image, also can be recorded medium 2 efficient absorbs well, so the toner image that the radiation the subject of knowledge and the object of knowledge of having given owing to the stroboscopic light sources 9 that is absorbed with good efficiency by toner image after having suppressed produces and the generation of the temperature difference between the recording medium just can realize more firm photographic fixing.In other words, even if the radiant of stroboscopic light sources 9 is lower, also can plays and make and to obtain the such booster action of good fixing performance.In addition, part is equipped with exhausr port 16 in the inner back of fuser, the foul smell or the gas that produce from toner when being used to absorb photographic fixing.
With xenon lamp as stroboscopic light sources 9.The physical dimension of xenon lamp in the present embodiment is: the about 15mm of diameter, and the about 425mm of the length of luminous component, but specified making alive is 1850V, rated energy is 343J.The energy that stroboscopic light sources 9 is produced is preferably more than 200J.Make transport (the about 225mm/sec) of this xenon lamp, with bright lamp of the cycle of 6.6Hz along with recording medium 6.That is,, make the bright lamp of xenon lamp with the interval of about 34mm in recording medium 6 tops.
Be provided with restriction body 14 between the path transporting of stroboscopic light sources 9 and recording medium 6.Restriction body 14 uses the restriction body of the lattice-shaped after with etching method thickness being processed as the corrosion resistant plate (wide 14mm, long 441mm) of 0.1mm.Fig. 5 shows the position when recording medium one side is seen this fuser.This restriction body 14 constitutes by 11 of the wide 0.1mm lines parallel with the long side direction (substantially with the vertical direction of the carriage direction of recording medium 2) of stroboscopic light sources 9 with their interconnective many oblique lines.Article 11, parallel with the long side direction of stroboscopic light sources 9 line is configured to make the part upper density height in the positive bottom that is equivalent to stroboscopic light sources 9, and past more peripheral part density just becomes low more.Many oblique lines with the interconnective while of parallel line, also have the effect that strengthens limit amount concurrently.
The restriction body 14 with mesh configuration of these stainless steels is placed the top of glass plate 12, and the positive bottom of stroboscopic light sources 9 is clipped in two ends between glass plate 12 and the casing 17 and fixes.
With the image processing system of the embodiment with such formation, test with following toner.
Reference example 2 (manufacturing of standard vector) vibrin (" (Tuftone) " TTR-2, flower king (Kao) (strain) society produces) and 24 weight % magnetics (EPT-1000, industry society in field, family produces the charged controlling agent of 74 weight % (" Bontron " S-34; Orient chemistry society produces) 1 weight % paraffin (LUVAX-1151; Japan smart wax society produces) 1 weight %
After fully mixed, with 2 extruder (PCM-30 mentioned component; Chi Beishe production) carrying out fusion mixes.After making this thing cooling of mixing, with Roughpulverizer (UG-210KGS; Friend comes the ironworker to produce) coarse crushing is 2mm Φ size, at middle comminutor (" finemill " FM-300N; Japan's Pneumatic commercial production) after pulverizing in it being carried out, uses atomizer (" Separator " DS-5UR again; Japan Pneumatic commercial production) carries out classification, obtain the resin carrier of 50 microns of weight average particle diameter.
Reference example 3
" Bontron " N-01 Orient chemistry society produces at 190 ℃, carries out 6 hours processing under the heating in vacuum of 0.01MPa, make charged controlling agent A.
Reference example 4
" Bontron " N-01 Orient chemistry society produces at 160 ℃, carries out 12 hours processing under the heating in vacuum of 0.02MPa, make charged controlling agent B.
Reference example 5
" Bontron " N-01 Orient chemistry society produces at 90 ℃, carries out 6 hours processing under the heating in vacuum of 0.01MPa, make charged controlling agent C.
Reference example 6
" Bontron " N-01 Orient chemistry society produces at 160 ℃, carries out 6 hours processing under the heating in vacuum of 0.02MPa, make charged controlling agent D.
Reference example 7
" Bontron " N-01 that 10g Orient chemistry society produces, use the methyl alcohol (reagent superfine, Nacalai Tesque (strain) society produces) of 100g to clean repeatedly respectively 3 times, make charged controlling agent E.
Make toner with following composition.
[toner component]
Vibrin (" Tuftone " TTR-2, flower king's (strain) society produces) 60 weight %
Vibrin (" Tuftone " TTR-5, flower king's (strain) society produces) 16 weight %
(EPT-1000, industry society in field, family produces 20 weight % to magnetic
(Cabot society produces carbon black; " Regal " " 330R) 2 weight %
The charged controlling agent A 2 weight % of reference example 3
After mentioned component is fully mixed, with 2 extruder (PCM-30; Chi Beishe produces) carried out fusion and mixed after, with jet mill comminutor (PJM-100; Japan Pneumatic industry society system) carried out micro mist broken after, with air classifier (A-12; Alpine society produces) carry out classification, obtain the toner of 8 microns of weight average particle diameter.In addition, in order to improve the flowability of toner, add hydrophobic silica particulate (the Hoechst Japanese firm production of 1.2 weight % for toner; HVK-2150), use super mixer (SMV-20 again; Kawada society produces) mix the adjustment toner, obtain the toner of Positively chargeable.
The benzene generation of this toner when 330 ℃ of 90 seconds heat treated is 9 μ g/g.
Secondly, it is 10 weight % that this toner is cooperated, and it is that 90 weight % adjust developer that the resin carrier of making in reference example 2 is cooperated, and is used in the LED printer prints image shown in the reference example 1, the evaluation of the row image quality of going forward side by side.The amount of having used activated charcoal in this printer is the filtrator of 300g.All obtained good image in the early stage with after printing 900,000 words.In addition, the amount of the benzene in the exhaust gas after the filtrator after also having measured the initial stage and having printed 900,000 words passes through, and do not have significant difference between the 1ppb of ambient atmosphere level, below atmosphere change level (0.3ppb).
The mensuration of benzene amount is gathered the gas of 1L filtrator by part with individual method of trapping (carbotrap400), and trap tube is arranged on the hot release unit (TDU), and with heat disengaging～GC-FID method, the GC/MS method is analyzed.
In the composition of embodiment 1, except that need not charged controlling agent A and replace with similarly making toner the charged controlling agent B.The benzene generation of this toner when 330 ℃ of 90 seconds heat treated is 14 μ g/g.Similarly make developer with this toner.Similarly to Example 1 with the LED printer prints image that is shown in reference example 1, carry out the evaluation of image quality with this developer.All obtained good image in the early stage with after printing 900,000 words.In addition, the amount of the benzene in the exhaust gas after the filtrator after also having measured the initial stage and having printed 900,000 words passes through, and do not have significant difference between the 1ppb of ambient atmosphere level, atmosphere change level is below (0.3ppb).
Comparative example 1
Except that replacing without the charged controlling agent A of reference example 3, make toner similarly to Example 1 with this " Bontron " N-01 as the charged controlling agent of untreated nigrosine system.The benzene generation of this toner when 330 ℃ of 90 seconds heat treated is 100 μ g/g.Similarly make developer with this toner.Similarly to Example 1 with the LED printer prints image that is shown in reference example 1, carry out the evaluation of image quality with this developer.The result who prints has obtained good image.But, during the amount of the benzene in measuring exhaust gas, be 9ppb, than atmospheric level (1ppb) height, need use filtrator.Therefore, when the filtrator with the amount 300g of activated charcoal prints, though do not have significant difference in the early stage and between other 1ppb of ambient atmosphere level, but the benzene amount of passing through in the exhaust gas behind the filtrator after printing 600,000 words is 2ppb, bigger than atmosphere change level, be necessary to change filtrator.
Comparative example 2
Except that replacing without the charged controlling agent A of reference example 3, make toner similarly to Example 1 with this " Bontron " N-13 as the charged controlling agent of untreated nigrosine system.The benzene generation of this toner when 330 ℃ of 90 seconds heat treated is 150 μ g/g.Make developer similarly to Example 1 with this toner.Similarly to Example 1 with the LED printer prints image that is shown in reference example 1, carry out the evaluation of image quality with this developer.The result who prints has obtained good image.But, during the amount of the benzene in measuring exhaust gas, for 10.5ppb than atmospheric level (1ppb) height, need use filtrator.Therefore, when the filtrator with the amount 300g of activated charcoal prints, though do not have significant difference in the early stage and between the 1ppb of ambient atmosphere level, but the benzene amount of passing through in the exhaust gas behind the filtrator after printing 600,000 words is 2ppb, bigger than atmosphere change level, be necessary to change filtrator.
Comparative example 3
In the composition of embodiment 1 except that need not charged controlling agent A and replacing with charged controlling agent C, similarly make toner.The benzene generation of this toner when 330 ℃ of 90 seconds heat treated is 74 μ g/g.Similarly make developer with this toner.Similarly to Example 1 with the LED printer prints image that is shown in reference example 1, carry out the evaluation of image quality with this developer.All obtained good image behind initial stage and printing 700,000 words.But the benzene amount of passing through in the exhaust gas behind the filtrator after printing 700,000 words is 2ppb, and there were significant differences with atmosphere change level (0.3ppb), is necessary to change filtrator.
In the composition of embodiment 1 except that need not charged controlling agent A and replacing with charged controlling agent D, similarly make toner.The benzene generation of this toner when 330 ℃ of 90 seconds heat treated is 32 μ g/g.Similarly make developer with this toner.Similarly to Example 1 with the LED printer prints image that is shown in reference example 1, carry out the evaluation of image quality with this developer.All obtained good image in the early stage with after printing 900,000 words.In addition, the amount of the benzene in the exhaust gas after the filtrator after also having measured the initial stage and having printed 900,000 words passes through, and do not have significant difference between the 1ppb of ambient atmosphere level, atmosphere change level is below (0.3ppb).
In the composition of embodiment 1 except that need not charged controlling agent A and replacing with charged controlling agent E, similarly make toner.The benzene generation of this toner when 330 ℃ of 90 seconds heat treated is 36 μ g/g.Similarly make developer with this toner.Similarly to Example 1 with the LED printer prints image that is shown in reference example 1, carry out the evaluation of image quality with this developer.All obtained good image in the early stage with after printing 900,000 words.In addition, the amount of the benzene in the exhaust gas after the filtrator after also having measured the initial stage and having printed 900,000 words passes through, and do not have significant difference between the 1ppb of ambient atmosphere level, atmosphere change level is below (0.3ppb).
Make toner with following composition.
[toner components]
Vibrin (" Tuftone " TTR-2, flower king's (strain) society produces) 60 weight %
Vibrin (" Tuftone " TTR-5, flower king's (strain) society produces) 16 weight %
Magnetic (EPT-1000, industry society in field, family produces) 20 weight %
(Cabot society produces carbon black; " Regal " 330R) 2 weight %
Triphenylmethane frenulum controling agent (" Copy Blue " PR,
Hoechst company produces) 2 weight %.
After mentioned component is fully mixed, with 2 extruder (PCM-30; Chi Beishe produces) carried out fusion and mixed after, with jet mill comminutor (PJM-100; Japan's Pneumatic commercial production) carried out micro mist broken after, with air classifier (A-12; Alpine society produces) carry out classification, obtain the toner of 8 microns of weight average particle diameter.In addition, in order to improve the flowability of toner, add hydrophobic silica particulate (the Hoechst Japanese firm production of 1.2 weight % for toner; HVK-2150), use super mixer (SMV-20 again; Kawada society produces) mix the adjustment toner, obtain the toner of Positively chargeable.
The benzene generation of this toner when 330 ℃ of 90 seconds heat treated is 2 μ g/g.
Secondly, it is 10 weight % that this toner is cooperated, and it is 90 weight % modulation developer that the resin carrier of making in reference example 2 is cooperated, and is used in the LED printer prints image shown in the reference example 1, the evaluation of the row image quality of going forward side by side.In this printer, do not print with filtrator.The result who prints has obtained good image.In addition, also measured the amount of the benzene in the exhaust gas, and do not had significant difference between the 1ppb of ambient atmosphere level, below atmosphere change level (0.3ppb).
The mensuration of benzene amount is gathered the gas of 1L filtrator by part with individual method of trapping (carbotrap400), and trap tube is arranged on the hot release unit (TDU), and with heat disengaging～GC-FID method, the GC/MS method is analyzed.
Except the basis without embodiment 5 replaces usefulness " the Brilliant Blue Base " SM (production of Hoechst company) as " the Copy Blue " of triphenylmethane frenulum controling agent, similarly make toner.The benzene generation of this toner when 330 ℃ of 90 seconds heat treated is 4 μ g/g.Make developer similarly to Example 5 with this toner.Similarly to Example 5 with the LED printer prints image that is shown in reference example 1, carry out the evaluation of image quality with this developer.The result who prints has obtained good image.In addition, also measured the amount of the benzene in the exhaust gas, and do not had significant difference between the 1ppb of ambient atmosphere level, atmosphere change level is below (0.3ppb).
Make toner with following composition.
[toner components]
Vibrin (" Tuftone " TTR-2, flower king's (strain) society produces) 60 weight %
Vibrin (" Tuftone " TTR-5, flower king's (strain) society produces) 16 weight %
Magnetic (EPT-1000, industry society in field, family produces) 20 weight %
(Cabot society produces carbon black; " Regal " 330R) 2 weight %
(TP-302, hodogaya chemical society produce 2 weight % to the charged controlling agent of quaternary ammonium salt
After mentioned component is fully mixed, with 2 extruder (PCM-30; Chi Beishe produces) carried out fusion and mixed after, with jet mill comminutor (PJM-100; Japan's Pneumatic commercial production) carried out micro mist broken after, with air classifier (A-12; Alpine society produces) carry out classification, obtain the toner of 8 microns of weight average particle diameter.In addition, in order to improve the flowability of toner, add hydrophobic silica particulate (the Hoechst Japanese firm production of 1.2 weight % to toner; HVK-2150), use super mixer (SMV-20 again; Kawada society produces) mix the adjustment toner, obtain the toner of Positively chargeable.The benzene generation of this toner when 330 ℃ of 90 seconds heat treated is 4 μ g/g.
Secondly, it is 10 weight % that this toner is cooperated, and it is that 90 weight % adjust developer that the resin carrier of making in reference example 2 is cooperated, and is used in the LED printer prints image shown in the reference example 1, the evaluation of the row image quality of going forward side by side.In this printer, do not carry out image printing with filtrator.The result who prints has obtained good image.In addition, also measured the amount of the benzene in the exhaust gas, but and do not have significant difference between the 1ppb of ambient atmosphere level, below atmosphere change level (0.3ppb).
The mensuration of benzene amount is gathered the gas of 1L filtrator by part with individual method of trapping (Carbotrap400), and trap tube is arranged on the hot release unit (TDU), and with heat disengaging～GC-FID method, the GC/MS method is analyzed.
Embodiment 8
Except without " TP-302 " of the charged controlling agent of the quaternary ammonium salt of embodiment 7 and replace with similarly making toner the TP-415 (production of hodogaya chemical society).The benzene generation of this toner when 330 ℃ of 90 seconds heat treated is 2 μ g/g.Similarly make developer with this toner.Use this developer, be used in the LED printer prints image shown in the reference example 1 similarly to Example 7, the evaluation of the row image quality of going forward side by side.The result who prints has obtained good image.In addition, also measured the amount of the benzene in the exhaust gas, and do not had significant difference between the 1ppb of ambient atmosphere level, below atmosphere change level (0.3ppb).
The possibility of industrial utilization
As mentioned above, adopt the present invention because or can prolong exchange life-span of filter, or Can be without filter, so can reduce the operating cost of printer.
Claims (12)
1, a kind of toner composition for developing electrostatic latent image that uses in flash fusing, at least by adhering resin, colorant and charged controlling agent constitute, and it is characterized in that: the generation concentration of the benzene that produce after 90 seconds 330 ℃ of heating is below 60 μ g/g.
2, the described toner composition for developing electrostatic latent image that uses in flash fusing of claim 1, it is characterized in that: the generation concentration of benzene is below 40 μ g/g.
3, the described toner composition for developing electrostatic latent image that uses in flash fusing of claim 1, it is characterized in that: adhering resin is a polyester based resin.
4, the described toner composition for developing electrostatic latent image that uses in flash fusing of claim 1, it is characterized in that: toner is a Positively chargeable.
5, the described toner composition for developing electrostatic latent image that uses in flash fusing of claim 1, it is characterized in that: charged controlling agent is the nigrosine based compound.
6, the described toner composition for developing electrostatic latent image that uses in flash fusing of claim 1, it is characterized in that: charged controlling agent is a quaternary ammonium salt.
7, the described electrostatic latent image method for producing toner and toner that uses in flash fusing of claim 1, it is characterized in that: charged controlling agent is the triphenylmethane based compound.
The manufacture method of the charged controlling agent of nigrosine that 8, a kind of benzene generation is few system is characterized in that: more than 100 ℃ below 250 ℃, and the charged controlling agent to nigrosine system carries out vacuum heating treatment under the following vacuum tightness of 0.2MPa.
The manufacture method of the charged controlling agent of the nigrosine system that 9, the described benzene generation of claim 8 is few, it is characterized in that: vacuum tightness is below the 0.05MPa.
The manufacture method of the charged controlling agent of the nigrosine system that 10, a kind of benzene generation is few is characterized in that: clean with the charged controlling agent of organic solvent to nigrosine system.
11, a kind of image fixing device is characterized in that: have between above-mentioned light source and the above-mentioned recording medium partly to limit from stroboscopic light sources and send, give the restriction body of the radiant of the toner image on the recording medium.
12, a kind of fixation method of method for producing toner and toner, it is characterized in that: make at least by adhering resin, the method for producing toner and toner that colorant and charged controlling agent constitute carries out when the flash fusing, employing is from quaternary ammonium salt, the triphenylmethane based compound, carried out the charged controlling agent selected in the group that the nigrosine based compound of vacuum heating treatment constitutes under the vacuum tightness perhaps under the temperature below 250 ℃ more than 100 ℃, and below 0.2MPa.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2806797 | 1997-02-12 | ||
| JP28067/97 | 1997-02-12 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031549705A Division CN100392520C (en) | 1997-02-12 | 1998-02-10 | Toner composition for developing electrostatic latent image |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1219249A true CN1219249A (en) | 1999-06-09 |
| CN1300642C CN1300642C (en) | 2007-02-14 |
Family
ID=12238428
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031549705A Expired - Fee Related CN100392520C (en) | 1997-02-12 | 1998-02-10 | Toner composition for developing electrostatic latent image |
| CNB988002760A Expired - Fee Related CN1300642C (en) | 1997-02-12 | 1998-02-10 | Toner composition for developing electrostatic latent image |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031549705A Expired - Fee Related CN100392520C (en) | 1997-02-12 | 1998-02-10 | Toner composition for developing electrostatic latent image |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0896253B1 (en) |
| JP (1) | JP4131570B2 (en) |
| KR (1) | KR100473746B1 (en) |
| CN (2) | CN100392520C (en) |
| DE (1) | DE69837641T2 (en) |
| TW (1) | TW518453B (en) |
| WO (1) | WO1998036327A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4156759B2 (en) * | 1999-10-20 | 2008-09-24 | 富士ゼロックス株式会社 | Image forming toner, two-component developer, image forming method, and image forming toner manufacturing method |
| DE60304614T2 (en) | 2002-02-28 | 2007-04-05 | Dainippon Ink And Chemicals, Inc. | Toner for developing electrostatic images |
| 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 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5850349Y2 (en) * | 1979-08-21 | 1983-11-16 | 三菱電機株式会社 | optical fixer |
| US4539284A (en) * | 1984-04-16 | 1985-09-03 | Xerox Corporation | Developer compositions with infrared absorbing additives |
| JPS6194859U (en) * | 1984-11-29 | 1986-06-18 | ||
| JPH04186250A (en) * | 1990-11-21 | 1992-07-03 | Fuji Xerox Co Ltd | Electronic printing toner |
| JP3022110B2 (en) * | 1992-12-18 | 2000-03-15 | 富士通株式会社 | Flash fixing color toner and method of manufacturing the same |
| 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 (en) * | 1993-06-22 | 1998-11-18 | 三洋化成工業株式会社 | Charge control agent, toner binder composition and toner for electrophotography |
| JPH07110596A (en) * | 1993-08-18 | 1995-04-25 | Mitsubishi Chem Corp | Toner for flash fixation |
| JPH0825852A (en) * | 1994-07-13 | 1996-01-30 | Shimadzu Corp | Chart sheet |
| JPH08179549A (en) * | 1994-12-26 | 1996-07-12 | Iwatsu Electric Co Ltd | Toner for developing magnetic latent image |
| JPH08254852A (en) * | 1995-03-17 | 1996-10-01 | Fujitsu Ltd | Electrophotographic toner |
| US5700617A (en) * | 1995-10-12 | 1997-12-23 | Canon Kabushiki Kaisha | Toner for developing electrostatic images and charge-controlling agent |
| JPH09329912A (en) * | 1996-06-10 | 1997-12-22 | Dainippon Ink & Chem Inc | Electrostatic charge image developing toner for flash fixing |
-
1998
- 1998-02-10 JP JP53556498A patent/JP4131570B2/en not_active Expired - Fee Related
- 1998-02-10 DE DE69837641T patent/DE69837641T2/en not_active Expired - Lifetime
- 1998-02-10 KR KR10-1998-0708084A patent/KR100473746B1/en not_active IP Right Cessation
- 1998-02-10 CN CNB031549705A patent/CN100392520C/en 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/en active IP Right Grant
- 1998-02-10 CN CNB988002760A patent/CN1300642C/en not_active Expired - Fee Related
- 1998-02-10 TW TW087101749A patent/TW518453B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE69837641T2 (en) | 2008-01-03 |
| CN1547080A (en) | 2004-11-17 |
| DE69837641D1 (en) | 2007-06-06 |
| JP4131570B2 (en) | 2008-08-13 |
| CN100392520C (en) | 2008-06-04 |
| CN1300642C (en) | 2007-02-14 |
| KR100473746B1 (en) | 2005-12-21 |
| TW518453B (en) | 2003-01-21 |
| EP0896253A1 (en) | 1999-02-10 |
| EP0896253A4 (en) | 2000-05-10 |
| KR20000064882A (en) | 2000-11-06 |
| WO1998036327A1 (en) | 1998-08-20 |
| EP0896253B1 (en) | 2007-04-25 |
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