CN1177261C - Toner and developer for electrostatic image development and imaging method using developer - Google Patents
Toner and developer for electrostatic image development and imaging method using developerInfo
- Publication number
- CN1177261C CN1177261C CNB981249574A CN98124957A CN1177261C CN 1177261 C CN1177261 C CN 1177261C CN B981249574 A CNB981249574 A CN B981249574A CN 98124957 A CN98124957 A CN 98124957A CN 1177261 C CN1177261 C CN 1177261C
- Authority
- CN
- China
- Prior art keywords
- toner
- vibrin
- developer
- indenes
- monomer
- 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.)
- Expired - Fee Related
Links
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- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 235000013799 ultramarine blue Nutrition 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XOSXWYQMOYSSKB-LDKJGXKFSA-L water blue Chemical compound CC1=CC(/C(\C(C=C2)=CC=C2NC(C=C2)=CC=C2S([O-])(=O)=O)=C(\C=C2)/C=C/C\2=N\C(C=C2)=CC=C2S([O-])(=O)=O)=CC(S(O)(=O)=O)=C1N.[Na+].[Na+] XOSXWYQMOYSSKB-LDKJGXKFSA-L 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Developing Agents For Electrophotography (AREA)
Abstract
The present invention relates to a toner for electrostatic image development, an electrostatic image developer and an imaging method thereof by the developer. The toner for electrostatic image development at least comprises adhesive resin, a coloring agent and copolymerization resin which at least comprises a styrene monomer and an indene monomer. The present invention can not bring the basic performance, such as electrified performance, fixing performance, colors, etc., of the toner an adverse effect. In the working procedure of fine pulverization, the present invention has good pulverization performance, and equipment is not molten.
Description
The present invention relates to employed toner for developing electrostatic latent image such as a kind of xerography, electrostatic recording, videograph.
Existing toner for developing electrostatic latent image generally is through adding binding resin and colorant as required, the operation that various adjuvants are mixed, use operation that muller mixes this potpourri fusion, the thing that will mix cooling after, impacts such as coarse crushing is the operation of a few millimeter particle diameters, utilization collision that meal is minced, fine powder is broken be several microns left and right sides particle diameters operation, with fine powder mince classification operation, add the mixed flow agent, duplicate the operation of external additives such as auxilliary assistant, the operation that the bulk noncombustibility that produces in the mixed processes is removed in screening is made.In recent years, turn to purpose with high image quality mostly,, in addition,, use polyester based resin more as binding resin in order to ensure low-temperature fixing with the toner small particle diameterization.The former thus broken operation of fine powder that is used as speed decision operation needs the longer time, thereby causes productive capacity to descend.In order to improve grindability, comminutor has been carried out large-scale transformation, the volume of comminutor strengthens, and power consumption is high, though improved productive capacity, manufacturing cost is improved, thereby must be from improving raw-material comminuted setting about.
Solution as the problems referred to above, change the monomer that constitutes binding resin, make ways such as its softening point and the reduction of glass branchpoint, make the comminuted raising of toner, but easily attached in the inside of comminutor or grader and the pipe arrangement that is connected them, in the time of serious, even melting and influencing and creating conditions.In addition, also very big to the charged characteristic and the photographic fixing properties influence of toner, comminuted in order to obtain, made a lot of sacrifices.As other method, can consider to add the smashing raw material of improvement, for example in Jap.P. discloses No. 257868/1992 communique, the use aromatic petroleum resin has been proposed, obtain the technology of compatible comminuted and fixing performance, in Jap.P. disclose No. 278658/1996 communique, proposed the comminuted and hot conservatory technical scheme of use hydrogenated petroleum resin acquisition, though it is comminuted that these technology can be improved, produce the problem that makes toner charging property variation.
In view of the above problems, the object of the invention is, a kind of toner for developing electrostatic latent image is provided, make it can not produce harmful effect to the key property of toners such as charging property, fixation performance, color, in the broken operation of fine powder, comminuted good, and can not melt equipment.
Above-mentioned purpose is to solve by the auxilliary assistant of pulverizing that use can not make the rheology of binding resin change.That is, the invention provides and a kind ofly contain binding resin, colorant at least and contain vinyl monomer at least and indenes is the toner for developing electrostatic latent image of the copolymer resin of monomer.
Particularly the invention provides to contain and use following general formula (I) (R in the formula at least
1, R
2, R
3And R
4Be hydrogen atom or the alkyl of carbon number below 4 that can be identical, can be inequality) styrenic monomers of expression and contain useful general formula (II) (R in the formula
5, R
6And R
7Being hydrogen atom or the alkyl of carbon number below 6 that can be identical, can be inequality) indenes of expression is the aforementioned toner for developing electrostatic latent image of the copolymer resin of monomer.
In addition, the invention provides a kind of toner for developing electrostatic latent image, the styrenic monomers of this toner use aforementioned formula (I) and general formula (II) expression and the mol ratio that indenes is monomer are 40/60～80/20, and softening point Tm is 100～170 ℃ a copolymer resin.
The present invention also provides the use binding resin, at least contain the copolymer resin that styrenic monomers and indenes are monomer, and as colorant, from C.I. paratonere 57: 1 and/or C.I. pigment red 122, C.I. pigment yellow 180, C.I. pigment blue 15: 3 and form the toner for developing electrostatic latent image of the pigment that mass selection goes out from carbon black.
And then, the invention provides the method that forms image, it is that above-mentioned toner for developing electrostatic latent image is used for electrostatic charge image developer, forms monochrome or multicolor image.
Below explain the present invention.
At first, the copolymer resin that the present invention uses, the indenes that preferably contains the styrenic monomers of useful following general formula (I) expression at least and represent with following general formula (II) is the multipolymer of monomer, with (I) and (II) monomer mole ratio preferably 40/60～80/20 of expression, and softening point Tm is 100～170 ℃.
In the aforementioned formula (I) of expression styrenic monomers, R
1, R
2, R
3And R
4Be hydrogen atom or the alkyl of carbon number below 4 that can identical, also can be inequality.As the alkyl of this carbon number below 4, for example can enumerate methyl, ethyl, n-pro-pyl, normal-butyl etc.As the object lesson of the styrenic monomers of representing with this general formula (I), can enumerate styrene, vinyltoluene, α-Jia Jibenyixi, isopropenyl toluene etc.In these styrenic monomers, preferably use different propylene toluene.
In addition, be in the aforementioned formula (II) of monomer at the expression indenes, R
5, R
6And R
7Be hydrogen atom or the alkyl of carbon number below 6 that can identical, also can be inequality.As the alkyl of this carbon number below 6, for example can enumerate methyl, ethyl, n-pro-pyl, normal-butyl, n-pentyl, n-hexyl etc.As the indenes with this general formula (II) expression is the object lesson of monomer, can enumerate indenes, methyl indenes, ethyl indenes etc.At these indenes is in the monomer, preferably uses indenes.
The copolymer resin that the present invention is used except styrenic monomers and indenes with the expression of aforementioned formula (I) and general formula (II) are the monomer, only otherwise damage purpose of the present invention, can contain other monomer.As such monomer, the monomer that the cut of the unsaturated hydrocarbon of the carbon number 4～5 of by-product obtains in the time of can enumerating from petroleum refinement, decomposition.Other content of monomer is according to the kind of monomer and difference, but as long as in about 0～10 mole of % scope of copolymer resin, do not change copolymer resin character especially and just can use.
In the manufacturing of copolymer resin of the present invention, if use high-purity purification monomer, the foul smell in the time of can suppressing coloring resin and heating is so be even more ideal.
Method for making for copolymer resin used in the present invention, can enumerate Jap.P. and disclose the described method of communique No. 184249/1994, as example similarly, method for making for aliphatic hydrocarbon-aromatic hydrocarbon copolymerization petroleum resin, can enumerate Jap.P. and disclose the described method of communique No. 333425/1996, for the method for making of the single polymerization petroleum resin of aromatic hydrocarbon, can enumerate Jap.P. and disclose No. 118729/1974 communique, Jap.P. and disclose No. 118945/1974 communique, No. 34033/1979 described method of communique of Japanese patent laid-open publication gazette.
Copolymer resin used in the present invention has low-molecular-weight (low melting viscosity), high softening-point, and then the characteristics good with the phased soln sexual balance of various resins, elastic body, paraffin, by with the binding resin melting mixing, can compatible hot retentivity and comminuted, for the not influence of charged characteristic of toner.
As the use amount of copolymer resin used in the present invention, for toner binding resin 100 weight portions, be 1～20 weight portion, 3～15 weight portions preferably.If below 1 weight portion, there is not effect for comminuted, if more than 20 weight portions, toner is excessively pulverized easily, the toner particle diameter in developing machine probably changes big.
In addition, general co-polymer resin than the price height of bonding resin, from price, preferably is controlled at its use amount necessary minimum mostly.
In addition, the global formula softening point of aromatic hydrocarbon copolymer resin used in the present invention, preferably 100～170 ℃, most preferably 130～160 ℃.If softening point is more than 170 ℃, low-temperature fixing be I'm afraid variation.
As binding resin used in the present invention, can use existing known resin.For example can enumerate vibrin, styrene resin, styrene-(methyl) acryl resin, styrene-butadiene resin, epoxy resin, urethane resin etc.From low-temperature fixing, vibrin preferably.The glass transition temperature Tg of binding resin is preferably in 60～75 ℃ of scopes.Be lower than 60 ℃ as if Tg, the maintenance stability of toner reduces easily, if Tg is higher than 75 ℃, it is difficult that low-temperature fixing becomes easily.
As binding resin used in the present invention, vibrin preferably, more particularly, preferably having several average molecular mass Mn=2500～5500, weight average molecular weight Mw=7000～30000, softening point and be 95～120 ℃, glass branchpoint is 60～75 ℃, the vibrin that does not contain the insoluble composition of chloroform, as such vibrin, can enumerate the resin made from polyvalent alcohol composition and polybasic carboxylic acid (in addition, such vibrin also can be used for the preparation of high concentration pigment described later).
As the polyvalent alcohol composition, for example as the dibasic alcohol composition, can make spent glycol, propylene glycol, 1,4-butylene glycol, 2,3-butylene glycol, diglycol, triethylene glycol, 1,5-pentanediol, 1,6-hexanediol, neopentyl glycol, 1,4-cyclohexanedimethanol, dipropylene glycol, polyglycol, poly-dipropylene glycol, bisphenol-A, hydrogenation bisphenol-A, thick ethylene oxide (2.2) a pair of (4-hydroxy phenyl) propane, PPOX (2.2)-two (4-hydroxy phenyl) propane etc.In addition, as the pure composition more than the ternary, can use glycerine, D-sorbite, 1,4-sorbitan, trimethylolpropane etc.
In addition, as with the dicarboxylic acids composition of above-mentioned multi-hydroxy composition condensation, for example can use the lower alkyl esters of maleic acid, maleic anhydride, fumaric acid, phthalic acid, terephthalic acid (TPA), m-phthalic acid, malonic acid, succinic acid, glutaric acid, dodecylene succinic acid, n-octyl succinic acid and acid thereof.
In the present invention, as the used vibrin of binding resin, preferably that polyoxyethylene (2.2)-two (4-hydroxy phenyl) propane, PPOX (2.2)-two (4-hydroxy phenyl) propane, the ternary of diatomic alcohol compounds composition is the above polyvalent alcohol composition and the carboxylic acid of binary are as composition.
Vibrin used in the present invention does not preferably contain the chloroform insoluble matter.When making such vibrin, be necessary that when reaching suitable scope at its molecular weight, methods such as reaction ends of a period are not so that the molecular weight of the vibrin of generation raises.
Several average molecular mass Mn of vibrin in the present invention are preferably in 2500～5500 scope, most preferably in 2500～4500 scope.The number mean molecular weight was greater than 5500 o'clock, and comminuted obvious reduction, productive capacity variation on the other hand, are lower than at 2500 o'clock, and the intensity of toner image reduces, excessively pulverizes easily the problem of (toner is pulverized in duplicating machine, developing machine).The weight average molecular weight Mw of vibrin in addition is preferably in 7000～30000 scope.Weight average molecular weight is higher than at 30000 o'clock, comminuted reduction, and the productive capacity variation on the other hand, is lower than at 7000 o'clock, and the cohere power of polyester reduces, the fissility variation of toner.
In addition, vibrin used in the present invention, its softening point Tm, preferably in 95 ℃～120 ℃ scope, and its glass branchpoint Tg is preferably in 60 ℃～75 ℃ scope.When Tm is lower than 95 ℃, can not guarantee non-print through temperature range fully, and if be higher than 120 ℃, then low-temperature fixing becomes difficult.In addition when Tg is lower than 60 ℃, the maintenance bad stability of toner, under hot and humid condition, cohesion existing problems in the developing machine, and if be higher than 75 ℃, then the low-temperature fixing difficulty that becomes.
Below, as colorant used in the present invention, for example can enumerate carbon black, oil carbon black, graphite, aniline black byestuffs, aniline blue, chrome yellow, ultramarine blue, Du Pont's oil red, quinoline yellow, methylene blue chloride, phthalocyanine blue, cationic green melachite oxalates (オ キ サ レ-ト), dim, rose agar, C.I. paratonere 57: 1, C.I. pigment red 122, C.I. pigment red 149, C.I. pigment red 81: 1, C.I. pigment Yellow 12, C.I. pigment yellow 180, C.I. pigment yellow 17, C.I. pigment blue 15: 1, C.I. pigment blue 15: 3 etc.Wherein particularly preferably be, as pinkish red toner, contain C.I. paratonere 57: 1 and/or C.I. pigment red 122, as yellow toner contain C.I. pigment yellow 180, as the cyanogen toner, contain the C.I. pigment blue 15: 3.Combination by these colorant pigment can obtain best colorrendering quality and picture steadiness.
These colorant pigment, directly be not contained in the binding resin, and as described below, product and high concentration pigment powder are handled in preparation flash distillation (Off ラ Star シ Application グ), it is used as colorant, see it is desirable from the viewpoint of the uniformly dispersed of pigment and pigment repeatability.
The colorant that in resin matrix, contains high concentration pigment, because pigment is contained in the resin identical with the binding resin that constitutes toner equably with high concentration, when making toner, with will be blended directly in as the pigment of colorant in the binding resin relatively, can obtain the high toner of pigment-dispersing and homogeneity, so, preferably use the high concentration pigment colorant for making toner of the present invention.As the high concentration pigment colorant, high concentration pigment powder and flash distillation composition etc. are arranged, but in these colorants,, preferably use flash distillation to handle product from making the homogeneity of simplification and pigment.
The method that making is suitable for the high concentration pigment powder of method for producing toner and toner of the present invention is the various pigment of enumerating as colorant, state with dry content, be added on as in above-mentioned employed vibrin of binding resin etc., with muller heating and melting, mixing such as kneaders, further use this moment such as two rollers of hot type or three rollers etc., additional high shear force makes it pass through the gap of a plurality of rollers, and pigment is evenly dispersed in the resin.Pigment content in the resin of this moment has no particular limits, but 20～60 weight % preferably.
When making contains the flash distillation processing product of high concentration pigment, for example when pinkish red toner, with magenta pigment, the water-soluble cream of 57: 1 pigment of for example aforesaid C.I. paratonere and/or the water-soluble cream and the aforementioned vibrin of C.I. pigment red 122 pigment, with the temperature more than the softening point of resin, under normal pressure, mix, carry out flash distillation and handle, make the flash distillation of having replaced moisture content and handle product.When yellow toner, similarly use yellow toner pigment, when the cyanogen toner, similarly use cyanogen toner pigment, obtain flash distillation and handle product.
The colorant that is used for black toner of the present invention is to be the known colorant of representative with the carbon black, does not need special flash distillation.
Handle product in the flash distillation of the colorant that is used for method for producing toner and toner of the present invention, with pigment to be dispersed in the resin matrix at high proportion.Pigment content in the resin of this moment is not particularly limited, but 20～60 weight % preferably.
In the present invention, as the colorant content in magenta, cyanogen, Huang, the black toner, for binding resin 100 weight portions, be 0.5～15 weight %, preferably in the scope of 1～10 weight %.If less than 0.5 weight %, colouring power dies down, and can not bring into play abundant effect in line with the content of toner.If greater than 15 weight %, transparent variation.
In the present invention, for toner,, can add release agent in order to make anti-print through toner completely.The charged control of toner also can be undertaken by binding resin and colorant itself, but as required, also can and use for colorrendering quality charged controlling agent out of question.
In addition, permanance, flowability or washing performance with the raising toner are purpose, as required, as external additive, can add organic micropowder end, fluorine resin particulate or resin microparticles such as tygon particulate, acrylic resin micropowder such as inorganic micro powder ends such as silicon dioxide, titanium dioxide, aluminium oxide, fatty acid or derivatives thereof and slaine.
Toner of the present invention, can be by closed muller, the coating machine of kneading, CM mix device, extruder etc., will carry out fusion as the aforementioned flash distillation look material of binding resin and colorant or high concentration pigment powder and various adjuvant, mix, pulverizing, classification make.The mean grain size of the toner that obtains is preferably about 3～9 microns.
Toner of the present invention can be used in the developer of a kind of developer of composition or two kinds of compositions.When using, can mix use with carrier as two kinds of composition developers.As these carriers, can use ferrite, brown iron oxide, nickel or magnetic metal powder carrier, with known materials such as the coated carrier of resin after, magnetic powder decentralized carriers with its coating.
In the present invention, can use above-mentioned cyanogen, magenta, Yellow toner to reach as required, use black toner, form multicolor patterns by conventional method.Specifically, for example use Charging system, corresponding to versicolor exposure means, on photoreceptor, supply with four developing machines of developer of all kinds and be provided with the copy device of fixing device, with photoreceptor charged equably after, at first use the toner development of first look, then, carry out second look equally successively and form electrostatic latent image and developing with color toner repeatedly later on, with the toner image that obtains, on the duplicating body, overlap with color emission layer of all kinds, form uncertain image, should uncertain image photographic fixing with fixing device, form desirable multicolour color image.
Only explain the present invention by the following examples for pinkish red toner.But cyanogen toner, yellow toner, black toner are also identical therewith, and the present invention is not limited by these in addition.
Embodiment 1
-binding resin+colorant+aromatic hydrocarbon copolymer resin-
The manufacturing of＜polyester 〉
Oxidation of ethylene addition product, glycerine with terephthalic acid (TPA), bisphenol-A, join in the four-hole round-bottomed flask with stainless steel stirrer, glass nitrogen ingress pipe and downflow system condenser with 45/40/4 ratio respectively, this flask is fixed on the cover film heater.Then, import nitrogen, keep atmosphere of inert gases in the beaker, Yi Bian heat up Yi Bian make from gas introduction tube.Then, in raw mix 100 weight portions, add dibutyl tin oxide 0.05 weight portion, temperature of charge is remained on 200 ℃ on one side, in official hour, react on one side, so that the softening point of the vibrin that obtains and glass transition temperature reach following temperature, thereby obtain vibrin (1).
This moment softening point Tm=110 ℃ of the vibrin that obtains, Tg=69 ℃ of glass branchpoint, number average molecular mass Mn=4000, weight average molecular weight Mw=11000.Molecular weight distribution be with tetrahydrofuran as solvent, measure with the GPC method.In addition, glass branchpoint Tg is as the temperature that reaches peak value by the DSC method.In addition, softening point Tm obtains by the flow assay device.
The preparation of＜flash distillation look material 〉
(1) with kneader with vibrin (1) 100 weight portion and 57: 1 pigment paste of C.I. paratonere, 100 weight portions (Gu form part is 50 weight portions) while heat and mix, under 90 ℃, the beginning mutually of pigment shifts, and under 130 ℃, water separates mutually fully with pigmentary resin.From kneader, remove and anhydrate, and then continue to mix evaporation of residual moisture content.Except that after anhydrating, cooling obtains flash distillation magenta material (1) fully.
(2) mix while heating with pigment paste 100 weight portions (is 50 weight portions Gu form part) of kneader vibrin (1) 100 weight portion and C.I. pigment red 122, under 90 ℃, the beginning mutually of pigment shifts, and under 130 ℃, water separates mutually fully with pigmentary resin.From kneader, remove and anhydrate, and then continue to mix evaporation of residual moisture content.Except that after anhydrating, cooling obtains flash distillation magenta material (2) fully.
The preparation of＜aromatic hydrocarbon copolymer resin 〉
With isopropenyl toluene and indenes with mol ratio 50/50, and make total addition of isopropenyl toluene and indenes reach 1.01/h, add isopropenyl toluene continuously, indenes, toluene that dehydration has been made with extra care and the dilution with toluene of having made with extra care with dewatering become 10 times boron three potassium fluosilicate phenol, and (ラ-ト) complex compound (phenol is 1.6 times of equivalents) is in the autoclave of 1270ml to the actual capacity with paddle to ボ ロ Application ト リ Off ロ ラ イ De Off エ ノ, in temperature of reaction is under 5 ℃, carry out polyreaction, then reaction mixture is transplanted in the partial autoclave, under 5 ℃, proceed polyreaction, after the total residence time of the first order and second level autoclave reaches 2 hours, discharge reaction mixture continuously, after the residence time reaches 3 times, finish polyreaction.After polymerization finishes, in reaction mixture, add the NaOH aqueous solution of 1N, stop polyreaction.With the reaction mixture that obtains with volume water washing 5 times after, in evaporator, decompression steams solvent and unreacted monomer, obtains isopropenyl toluene indene copolymer (1).At this moment, softening point Tm=145 ℃, number average molecular mass Mn=1190, weight average molecular weight Mw=2040.
The preparation of＜pinkish red toner 〉
The potpourri that to form by binding resin 70 weight portions, flash distillation magenta material (1) 10 weight portion, flash distillation magenta material (2) 10 weight portions and aforementioned isopropenyl toluene indenes co-polymer (1) 10 weight portion that aforesaid vibrin (1) constitutes, carry out fusion, mix by extruder, carry out coarse crushing with the gear mill, and then pulverize with the atomizer that is connected with jet-stream wind.The crushed material that obtains is carried out classification with air classifier, obtain mean grain size and be 7 microns particle.Use Henschel mixer, these particle 100 weight portions and titanium oxide microparticle 0.8 weight portion are mixed obtaining pinkish red toner.
Embodiment 2
-binding resin+colorant+aromatic hydrocarbon copolymer resin-
The preparation of＜aromatic hydrocarbon copolymer resin 〉
With isopropenyl toluene and indenes, with mol ratio 80/20, and make total addition of isopropenyl toluene and indenes reach 1.01/h, the dilution with toluene that adds continuously toluene that isopropenyl toluene, indenes, dehydration made with extra care and made with extra care with dewatering becomes 10 times boron three potassium fluosilicate phenol, and (ラ-ト) complex compound (phenol is 1.6 times of equivalents) is in the autoclave of 1270ml to the actual capacity with paddle to ボ ロ Application ト リ Off ロ ラ イ De Off エ ノ, in temperature of reaction is under 5 ℃, carries out polyreaction.Then reaction mixture is transplanted in the autoclave of the second level, under 5 ℃, proceed polyreaction, after the total residence time in the first order and second level autoclave reaches 2 hours, discharge reaction mixture continuously, after the residence time reaches 3 times, finish polyreaction.After polymerization finishes, in reaction mixture, add the NaOH aqueous solution of 1N, stop polyreaction.With the reaction mixture that obtains, after volume water washing 5 times, steam solvent and unreacted monomer in evaporator for decompression, obtain isopropenyl toluene indene copolymer (2).At this moment, softening point Tm=90 ℃, number average molecular mass Mn=680, weight average molecular weight Mw=980.
The preparation of＜pinkish red toner 〉
Binding resin 70 weight portions that will constitute, the potpourri that embodiment 1 used flash distillation magenta material (1) 10 weight portion, flash distillation magenta material (2) 10 weight portions and aforementioned isopropenyl toluene indene copolymer (2) 10 weight portions are formed by the vibrin (1) of embodiment 1, carry out fusion, mix by extruder, carry out coarse crushing with the gear mill, and then pulverize with the atomizer that is connected with jet-stream wind.Use air classifier, the crushed material that obtains is carried out classification, obtain mean grain size and be 7 microns particle.Use Henschel mixer, these particle 100 weight portions and titanium oxide microparticle 0.8 weight portion are mixed obtaining pinkish red toner.
Embodiment 3
-binding resin+colorant+aromatic hydrocarbon copolymer resin-
The preparation of＜aromatic hydrocarbon copolymer resin 〉
With isopropenyl toluene and indenes, with mol ratio 40/60, and make total addition of isopropenyl toluene and indenes reach 1.01/h, add isopropenyl toluene continuously, indenes, toluene that dehydration has been made with extra care and the dilution with toluene of having made with extra care with dewatering become 10 times boron three potassium fluosilicate phenol, and (ラ-ト) complex compound (phenol is 1.6 times of equivalents) is in the autoclave of 1270ml to the actual capacity with paddle to ボ ロ Application ト リ Off ロ ラ イ De Off エ ノ, in temperature of reaction is under 5 ℃, carry out polyreaction, then reaction mixture is transplanted in the partial autoclave, under 5 ℃, proceed polyreaction, after total residence time in the first order and second level autoclave reaches 2 hours, discharge reaction mixture continuously, after the residence time reaches 3 times, finish polyreaction.After polymerization finishes, in reaction mixture, add the NaOH aqueous solution of 1N, stop polyreaction.With the reaction mixture that obtains with volume water washing 5 times after, in evaporator, decompression steams solvent and unreacted monomer, obtains isopropenyl toluene indene copolymer (3).At this moment, softening point Tm=170 ℃, number average molecular mass Mn=1500, weight average molecular weight Mw=2700.
The preparation of＜pinkish red toner 〉
Binding resin 70 weight portions that will constitute, the potpourri that embodiment 1 used flash distillation magenta material (1) 10 weight portion, flash distillation magenta material (2) 10 weight portions and aforementioned isopropenyl toluene indene copolymer (3) 10 weight portions are formed by the vibrin (1) of embodiment 1, carry out fusion, mix by extruder, carry out coarse crushing with the gear mill, and then pulverize with the atomizer that is connected with jet-stream wind.The crushed material that obtains is carried out classification with air classifier, obtain mean grain size and be 7 microns particle.Use Henschel mixer, these particle 100 weight portions and titanium oxide microparticle 0.8 weight portion are mixed, obtain pinkish red toner.
Embodiment 4
-binding resin+colorant+aromatic hydrocarbon copolymer resin-
The preparation of＜pinkish red toner 〉
The potpourri that flash distillation magenta material (1) 10 weight portion that binding resin 75 weight portions that will be made of the vibrin (1) of embodiment 1, embodiment 1 are used and flash distillation magenta material (2) 10 weight portions and embodiment 1 used isopropenyl toluene indenes copolymer resin (1) 5 weight portion are formed, carry out fusion, mix by extruder, carry out coarse crushing with the gear mill, and then pulverize with the atomizer that is connected with jet-stream wind.The crushed material that obtains is carried out classification with air classifier, obtain mean grain size and be 7 microns particle.Use Henschel mixer, these particle 100 weight portions and titanium oxide microparticle 0.8 weight portion are mixed, obtain pinkish red toner.
Embodiment 5
-binding resin+colorant+aromatic hydrocarbon copolymer resin-
The preparation of＜pinkish red toner 〉
The potpourri that flash distillation magenta material (1) 10 weight portion that binding resin 65 weight portions that will be made of the vibrin (1) of embodiment 1, embodiment 1 are used and flash distillation magenta material (2) 10 weight portions and embodiment 1 used isopropenyl toluene indenes copolymer resin (1) 15 weight portion are formed, carry out fusion, mix by extruder, carry out coarse crushing with the gear mill, and then pulverize with the atomizer that is connected with jet-stream wind.The crushed material that obtains is carried out classification with air classifier, obtain mean grain size and be 7 microns particle.Use Henschel mixer, these particle 100 weight portions and titanium oxide microparticle 0.8 weight portion are mixed, obtain pinkish red toner.
Embodiment 6
-binding resin+colorant+aromatic hydrocarbon copolymer resin-
The preparation of＜aromatic hydrocarbon copolymer resin 〉
With isopropenyl toluene and indenes, with mol ratio 50/50, and make total addition of isopropenyl toluene and indenes reach 1.01/h, add isopropenyl toluene continuously, indenes, toluene that dehydration has been made with extra care and the dilution with toluene of having made with extra care with dewatering become 10 times boron three potassium fluosilicate phenol, and (ラ-ト) complex compound (phenol is 1.6 times of equivalents) is in the autoclave of 1270ml to the actual capacity with paddle to ボ ロ Application ト リ Off ロ ラ イ De Off エ ノ, in temperature of reaction is under 5 ℃, carry out polyreaction, then reaction mixture is transplanted in the partial autoclave, under 5 ℃, proceed polyreaction, after total residence time in the first order and second level autoclave reaches 1.5 hours, discharge reaction mixture continuously, after the residence time reaches 3 times, finish polyreaction.After polymerization finishes, in reaction mixture, add the NaOH aqueous solution of 1N, stop polyreaction.With the reaction mixture that obtains with volume water washing 5 times after, in evaporator, decompression steams solvent and unreacted monomer, obtains isopropenyl toluene indenes co-polymer (4).At this moment, softening point Tm=95 ℃, number average molecular mass Mn=770, weight average molecular weight Mw=960.
The preparation of＜pinkish red toner 〉
Binding resin 70 weight portions that will constitute, the potpourri that embodiment 1 used flash distillation magenta material (1) 10 weight portion, flash distillation magenta material (2) 10 weight portions and aforementioned isopropenyl toluene indenes co-polymer (4) 10 weight portions are formed by the vibrin (1) of embodiment 1, carry out fusion, mix by extruder, carry out coarse crushing with the gear mill, and then pulverize with the atomizer that is connected with jet-stream wind.The crushed material that obtains is carried out classification with air classifier, obtain mean grain size and be 7 microns particle.Use Henschel mixer, these particle 100 weight portions and titanium oxide microparticle 0.8 weight portion are mixed obtaining pinkish red toner.
Embodiment 7
-binding resin+colorant+aromatic hydrocarbon copolymer resin-
The preparation of＜aromatic hydrocarbon copolymer resin 〉
With isopropenyl toluene and indenes, with mol ratio 50/50, and make total addition of isopropenyl toluene and indenes reach 1.01/h, add isopropenyl toluene continuously, indenes, toluene that dehydration has been made with extra care and the dilution with toluene of having made with extra care with dewatering become 10 times boron three potassium fluosilicate phenol, and (ラ-ト) complex compound (phenol is 1.6 times of equivalents) is in the autoclave of 1270ml to the actual capacity with paddle to ボ ロ Application ト リ Off ロ ラ イ De Off エ ノ, in temperature of reaction is under 5 ℃, carry out polyreaction, then reaction mixture is transplanted in the autoclave of the second level, under 5 ℃, proceed polyreaction, after total residence time in the first order and second level autoclave reaches 3 hours, discharge reaction mixture continuously, after the residence time reaches 3 times, finish polyreaction.After polymerization finishes, in reaction mixture, add the NaOH aqueous solution of 1N, stop polyreaction.With the reaction mixture that obtains with volume water washing 5 times after, in evaporator, decompression steams solvent and unreacted monomer, obtains isopropenyl toluene indenes co-polymer (5).At this moment, softening point Tm=175 ℃, number average molecular mass Mn=1300, weight average molecular weight Mw=2350.
The preparation of＜pinkish red toner 〉
The potpourri that flash distillation magenta material (1) 10 weight portion that binding resin 70 weight portions that will be made of the vibrin (1) of embodiment 1, embodiment 1 are used and flash distillation magenta material (2) 10 weight portions and aforementioned isopropenyl toluene indenes co-polymer (5) 10 weight portions are formed, carry out fusion, mix by extruder, carry out coarse crushing with the gear mill, and then pulverize with the atomizer that is connected with jet-stream wind.The crushed material that obtains is carried out classification with air classifier, obtain mean grain size and be 7 microns particle.Use Henschel mixer, these particle 100 weight portions and titanium oxide microparticle 0.8 weight portion are mixed, obtain pinkish red toner.
Comparative example 1
-monomer ratio change binding resin+colorant-
The making of＜polyester 〉
Oxidation of ethylene addition product, the propylene oxidation addition product of bisphenol-A, glycerine with terephthalic acid (TPA), bisphenol-A, respectively with 45/20/20/4 ratio, join in the four-hole round-bottomed flask with stainless steel stirrer, glass nitrogen ingress pipe and downflow system condenser, this flask is fixed on the cover film heater.Then, import nitrogen, keep atmosphere of inert gases to heat up while make in the flask from gas introduction tube.Then, in raw mix 100 weight portions, add dibutyl tin oxide 0.05 weight portion, keep temperature of reaction at 200 ℃ on one side, in official hour, react on one side, so that the softening point of the vibrin that obtains and glass transition temperature reach following temperature, thereby obtain vibrin (2).
The softening point Tm=110 of the vibrin that obtains at this moment, ℃, Tg=69 ℃ of glass branchpoint, number average molecular mass Mn=4200, weight average molecular weight Mw=11500.Molecular weight distribution be with tetrahydrofuran as solvent, measure with the GPC method.In addition, glass branchpoint Tg is by the DSC method, as the temperature that reaches the peak shoulder.In addition, softening point Tm obtains by the flow assay device.
The preparation of＜look material 〉
(1) with kneading machine with vibrin (2) 100 weight portions and 57: 1 pigment paste of C.I. paratonere, 100 weight portions (Gu form part is 50 weight portions) while heat and mix, 90 ℃ of following pigment begin mutually shift, separate fully mutually with pigmentary resin at 130 ℃ of following waters.From kneader, remove and anhydrate, and then continue to mix evaporation of residual moisture content.Except that after anhydrating, cooling obtains flash distillation look material (3) fully.
(2) use kneading machine, pigment paste 100 weight portions (is 50 weight portions Gu form part) of vibrin (2) 100 weight portions and C.I. pigment red 122 are mixed while heating, 90 ℃ of following pigment begin mutually shift, separate fully mutually with pigmentary resin at 130 ℃ of following waters.Remove from kneading machine and to anhydrate, and then continue to mix evaporation of residual moisture content.Except that after anhydrating, cooling obtains flash distillation look material (4) fully.
The preparation of＜pinkish red toner 〉
The potpourri that to form by binding resin 80 weight portions, aforementioned flash distillation magenta material (3) 10 weight portions and flash distillation magenta material (4) 10 weight portions that aforementioned vibrin (2) constitutes, carry out fusion, mix by extruder, carry out coarse crushing with the gear mill, and then pulverize with the atomizer that is connected with jet-stream wind.With the crushed material that obtains, carry out classification with air classifier, obtain mean grain size and be 7 microns particle.Use Henschel mixer, these particle 100 weight portions and titanium oxide microparticle 0.8 weight portion are mixed, obtain pinkish red toner.
Comparative example 2
Binding resin+colorant that-softening point reduces-
The making of＜polyester 〉
Oxidation of ethylene addition product, glycerine with terephthalic acid (TPA), bisphenol-A, respectively with 45/40/4 ratio, join in the four-hole round-bottomed flask with stainless steel stirrer, glass nitrogen ingress pipe and downflow system condenser, this flask is fixed on the cover film heater.Then, import nitrogen, keep atmosphere of inert gases to heat up while make in the flask from gas introduction tube.Then, in raw mix 100 weight portions, add dibutyl tin oxide 0.05 weight portion, on one side temperature of reaction is protected and in official hour, react on 200 ℃ of one side, so that the softening point of the vibrin that obtains and glass transition temperature reach following temperature, thereby obtain vibrin (3).
The softening point Tm=105 of the vibrin that obtains at this moment, ℃, Tg=66 ℃ of glass branchpoint, number average molecular mass Mn=4450, weight average molecular weight Mw=8700.Molecular weight distribution be with tetrahydrofuran as solvent, measure with the GPC method.In addition, glass branchpoint Tg is by the DSC method, as reaching peak shoulder temperature.In addition, softening point Tm obtains by the flow assay device.
The preparation of＜flash distillation look material 〉
(1) uses kneading machine, with vibrin (3) 100 weight portions and 57: 1 pigment paste of C.I. paratonere, 100 weight portions (Gu form part is 50 weight portions) while heat and mix, 90 ℃ of following pigment begin mutually shift, separate fully mutually with pigmentary resin at 130 ℃ of following waters.From kneading machine, remove and anhydrate, and then continue to mix evaporation of residual moisture content.Except that after anhydrating, cooling obtains flash distillation magenta material (5) fully.
(2) use kneading machine, pigment paste 100 weight portions (is 50 weight portions Gu form part) of vibrin (3) 100 weight portions and C.I. pigment red 122 are mixed while heating, 90 ℃ of following pigment begin mutually shift, separate fully mutually with pigmentary resin at 130 ℃ of following waters.Remove from kneading machine and to anhydrate, and then continue to mix evaporation of residual moisture content.Except that after anhydrating, cooling obtains flash distillation magenta material (6) fully.
The preparation of＜pinkish red toner 〉
The potpourri that to form by binding resin 80 weight portions, aforementioned flash distillation magenta material (5) 10 weight portions and flash distillation magenta material (6) 10 weight portions that aforementioned vibrin (3) constitutes, carry out fusion, mix by extruder, carry out coarse crushing with the gear mill, and then, pulverize with the atomizer that is connected with jet-stream wind.With the crushed material that obtains, carry out classification with air classifier, obtain mean grain size and be 7 microns particle.Use Henschel mixer, these particle 100 weight portions and titanium oxide microparticle 0.8 weight portion are mixed, obtain pinkish red toner.
Comparative example 3
Binding resin+colorant that-softening point raises-
The making of＜polyester 〉
Oxidation of ethylene addition product, glycerine with terephthalic acid (TPA), bisphenol-A, respectively with 45/40/4 ratio, join in the four-hole round-bottomed flask with stainless steel stirrer, glass nitrogen ingress pipe and downflow system condenser, this flask is fixed on the cover film heater.Then, import nitrogen, keep atmosphere of inert gases to heat up while make in the flask from gas introduction tube.Then, in raw mix 100 weight portions, add dibutyl tin oxide 0.05 weight portion, temperature of reaction being remained on 200 ℃ of one side on one side reacts at official hour, so that the softening point of the vibrin that obtains and glass transition temperature reach following temperature, thereby obtain vibrin (4).
The softening point Tm=115 of the vibrin that obtains at this moment, ℃, Tg=72 ℃ of glass branchpoint, number average molecular mass Mn=5200, weight average molecular weight Mw=21000.Molecular weight distribution be with tetrahydrofuran as solvent, measure with the GPC method.In addition, glass branchpoint Tg is by the DSC method, as reaching peak shoulder temperature.In addition, softening point Tm obtains by the flow assay device.
The preparation of＜flash distillation look material 〉
(1) uses kneading machine, with vibrin (4) 100 weight portions and 57: 1 pigment paste of C.I. paratonere, 100 weight portions (Gu form part is 50 weight portions) while heat and mix, 90 ℃ of following pigment begin mutually shift, separate fully mutually with pigmentary resin at 130 ℃ of following waters.From kneading machine, remove and anhydrate, and then continue to mix evaporation of residual moisture content.Except that after anhydrating, cooling obtains flash distillation magenta material (7) fully.
(2) use kneading machine, pigment paste 100 weight portions (is 50 weight portions Gu form part) of vibrin (4) 100 weight portions and C.I. pigment red 122 are mixed while heating, 90 ℃ of following pigment begin mutually shift, separate fully mutually with pigmentary resin at 130 ℃ of following waters.From kneading machine, remove and anhydrate, and then continue to mix evaporation of residual moisture content.Except that after anhydrating, cooling obtains flash distillation magenta material (8) fully.
The preparation of＜pinkish red toner 〉
The potpourri that to form by binding resin 80 weight portions, aforementioned flash distillation magenta material (7) 10 weight portions and flash distillation magenta material (8) 10 weight portions that aforementioned vibrin (4) constitutes, carry out fusion, mix by extruder, carry out coarse crushing with the gear mill, and then, pulverize with the atomizer that is connected with jet-stream wind.With the crushed material that obtains, carry out classification with air classifier, obtain mean grain size and be 7 microns particle.Use Henschel mixer, these particle 100 weight portions and titanium oxide microparticle 0.8 weight portion are mixed, obtain pinkish red toner.
Comparative example 4
-adhering resin+colorant+aliphatic hydrocarbon-aromatic hydrocarbon copolymer resin-
The preparation of＜aliphatic hydrocarbon-aromatic hydrocarbon copolymer resin 〉
C5 distillate (n-n-pentane/isoprene/1 that obtains with isopropyl toluene 90g, by the mineral spirit thermal decomposition, 3-pentadiene/cyclopentadiene=5/6/3/3) 10g and toluene 150g, join in the autoclave, under agitation, temperature is remained on 0 ℃ on one side, splash on one side as about 10 minutes of the BF3 phenol complexes 1.5g of catalyzer, react.Continue then to stir 3 hours.The sodium hydrate aqueous solution 50ml that then adds 5 weight %, high degree of agitation 30 minutes, after catalyst decomposes, water phase separated obtains oily polymer.And then, the polymkeric substance of grease to be washed after being neutrality, the heating decompression steams unreacted oil and solvent, obtains the block hydrocarbon resin of white.This moment Tm=125 ℃ of softening point, number average molecular mass Mn=1150, weight average molecular weight Mw=1950.
The preparation of＜pinkish red toner 〉
Flash distillation magenta material (1) 10 weight portion that binding resin 70 weight portions that will be made of the vibrin (1) of embodiment 1, embodiment 1 are used and flash distillation magenta material (2) 10 weight portions and the potpourri that aforementioned aliphatic hydrocarbon-aromatic hydrocarbon copolymer resin 10 weight portions are formed, carry out fusion, mix by extruder, carry out coarse crushing with the gear mill, and then, pulverize with the atomizer that is connected with jet-stream wind.With the crushed material that obtains, carry out classification with air classifier, obtain mean grain size and be 7 microns particle.Use Henschel mixer, these particle 100 weight portions and titanium dioxide 0.8 weight portion are mixed, obtain pinkish red toner.
Comparative example 5
-adhering resin+colorant+aliphatic hydrocarbon-aromatic hydrocarbon copolymer resin-
The preparation of＜aliphatic hydrocarbon-aromatic hydrocarbon copolymer resin 〉
With with comparative example 4 described identical methods, obtain the copolymer resin of isopropenyl toluene, α-Jia Jibenyixi and the C5 distillate (n-n-pentane/isoprene/1,3-pentadiene/cyclopentadiene=5/6/3/3) of mol ratio 45/45/10.This moment Tm=125 ℃ of softening point, number average molecular mass Mn=1290, weight average molecular weight Mw=2140.
The preparation of＜pinkish red toner〉identical with comparative example 4.
Comparative example 6
The single polymerization petroleum resin of-adhering resin+colorant+aromatic hydrocarbon-
The preparation of the single polymerization petroleum resin of＜aromatic hydrocarbon 〉
The addition that makes isopropenyl toluene is reached 1.01/h ground add isopropenyl toluene continuously, (ラ-ト) complex compound (phenol is 1.6 times of equivalents) is in the autoclave of 1270ml to the actual capacity with paddle to ボ ロ Application ト リ Off ロ ラ イ De Off エ ノ to the boron three potassium fluosilicate phenol of the toluene that dehydration has been made with extra care and the dilution with toluene to 10 of having made with extra care with dewatering times, in temperature of reaction is under 5 ℃, carry out polyreaction, then reaction mixture is transplanted in the autoclave of the second level, under 5 ℃, proceed polyreaction, after total residence time in the first order and second level autoclave reaches 2 hours, discharge reaction mixture continuously, when the residence time reaches 3 times, finish polyreaction.After polymerization finishes, in reaction mixture, add the NaOH aqueous solution of 1N, stop polyreaction.With the reaction mixture that obtains with volume water washing 5 times after, in evaporator, decompression steams solvent and unreacted monomer, obtains the single polymer resin of isopropenyl toluene.At this moment, softening point Tm=120 ℃, number average molecular mass Mn=920, weight average molecular weight Mw=1420.
The preparation of＜pinkish red toner 〉
The potpourri that flash distillation magenta material (1) 10 weight portion that binding resin 70 weight portions that will be made of the vibrin (1) of embodiment 1, embodiment 1 are used and flash distillation magenta material (2) 10 weight portions and single polymerization petroleum resin 10 weight portions of aforementioned aromatic hydrocarbon are formed, carry out fusion, mix by extruder, carry out coarse crushing with the gear mill, and then, pulverize with the atomizer that is connected with jet-stream wind.With the crushed material that obtains, carry out classification with air classifier, obtain mean grain size and be 7 microns particle.Use Henschel mixer, these particle 100 weight portions and titanium dioxide 0.8 weight portion are mixed, obtain pinkish red toner.
For melting in grindability, the equipment, charged characteristic, photographic fixing characteristic, the OHP transparency be to estimate by following benchmark.Its result is as shown in table 1.In table 1, also represented overall merit.
(1) grindability
Be connected with the atomizer of jet-stream wind in use, when pinkish red toner is ground into same particle size, the meal of the unit interval when obtaining its granularity quantity delivered that minces more stablely.
◎: 50Kg/h is above, zero: 40Kg/h is above, △: 30Kg/h is above, *: below the 30Kg/h.
(2) melting in the equipment
When a certain amount of pinkish red toner is carried out classification, relatively melting toner weight at stage equipment inner process position.
Zero: 50mg is following, △: 50mg is above, *: more than the 100mg.
(3) charged characteristic
Using fluorine-containing as carrier is the iron powder of 50 microns of resin-coated mean grain sizes, mixes above-mentioned method for producing toner and toner, is 8 weight % to reach toner concentration, makes developer.Use this developer, by duplicating machine (A-Color935, Xerox manufacturing company of Fuji system), the reduction degree of relatively duplicating the carried charge of 50,000 developers behind the copy.
Duplicate developer carried charge behind 50,000 copies for the following classification of ratio of initial stage carried charge: zero: 0.8 above, △: more than 0.7, *: below 0.7.
(4) photographic fixing characteristic
Use above-mentioned developer,, show image, obtain uncertain image by duplicating machine (A-Color935, Xerox manufacturing company of Fuji system).Then, the outside photographic fixing machine that uses the warm-up mill formed with silicon rubber by superficial layer to constitute is estimated.Under 160 ℃, the solid-state image of the 25mm * 25mm of magenta is carried out photographic fixing, use the weight of certain load, estimate the damaged degree of image crooked, bend qualitatively.
Zero: do not have damaged, the △ of image fully: bend leave streak, *: find that image is damaged, confirm substrate at bend.
(5) the OHP transparency
On the OHP sheet, form the not photographic fixing solid-state image of 4cm * 5cm, will be divided into following each grade, respond to evaluation with visual in the transparency of the OHP after 160 ℃ of following photographic fixing.
Zero: good, the △ of the transparency: the transparency is poor slightly, *: the transparency is poor, can't see the OHP projected image fully.
(6) overall merit
Zero: good, △: can use, *: be not durable.
Table 1
| (1) grindability | (2) melting in the equipment | (3) charged characteristic | (4) photographic fixing characteristic | (5) the OHP transparency | (6) overall merit | |
| Embodiment 1 | ○ | ○ | ○ | ○ | ○ | ○ |
| Embodiment 2 | ○ | ○ | ○ | ○ | ○ | ○ |
| Embodiment 3 | ○ | ○ | ○ | ○ | ○ | ○ |
| Embodiment 4 | △ | ○ | ○ | ○ | ○ | △ |
| Embodiment 5 | ◎ | ○ | ○ | ○ | ○ | ○ |
| Embodiment 6 | ○ | ○ | △ | △ | ○ | △ |
| Embodiment 7 | ○ | ○ | △ | △ | ○ | △ |
| Comparative example 1 | ○ | × | ○ | ○ | ○ | × |
| Comparative example 2 | ◎ | × | ○ | × | ○ | × |
| Comparative example 3 | × | ○ | ○ | × | ○ | × |
| Comparative example 4 | ○ | ○ | × | ○ | ○ | × |
| Comparative example 5 | ○ | ○ | × | ○ | ○ | × |
| Comparative example 6 | ○ | ○ | × | ○ | ○ | × |
Toner for developing electrostatic latent image of the present invention, comminuted good in the broken operation of micro mist, can prevent manufacturing equipment in addition and connect melting in their pipe arrangement, can obtain good fixation performance.And then toner for developing electrostatic latent image of the present invention can not make charging property reduce when adding adjuvant to cause that the developer operating period shortens and the low-temperature fixing variation, and can form the transparent good colored photographic fixing image of OHP projected image.
Claims (11)
1. toner for developing electrostatic latent image, it is characterized in that this toner is that the copolymer resin that monomer forms is formed by vibrin, colorant and by styrenic monomers and indenes, wherein, with respect to vibrin 100 weight portions, contain copolymer resin 1～20 weight portion, the styrenic monomers of this copolymer resin and indenes are that the mol ratio of monomer is 40/60～80/20.
2. toner for developing electrostatic latent image according to claim 1, the softening point Tm that it is characterized in that described copolymer resin is 100～170 ℃.
3. toner for developing electrostatic latent image according to claim 1, the styrenic monomers that it is characterized in that described copolymer resin is at least a monomer of selecting from the group that vinyltoluene, α-Jia Jibenyixi, isopropenyl toluene are formed, in addition, indenes is that monomer is an indenes.
4. toner for developing electrostatic latent image according to claim 1, the glass transition temperature that it is characterized in that described vibrin is 60～75 ℃.
5. toner for developing electrostatic latent image according to claim 1, the weight average molecular weight that it is characterized in that described vibrin is 7000～30000.
6. toner for developing electrostatic latent image according to claim 1 is characterized in that described colorant is from C.I. paratonere 57:1 and/or C.I. pigment red 122, C.I. pigment yellow 180, C.I. pigment blue 15: 3 and the pigment selected from the group that carbon black is formed.
7. an electrostatic charge image developer is characterized in that in the electrostatic charge image developer that contains toner and carrier at least, as this toner, uses the described toner for developing electrostatic latent image of claim 1.
8. electrostatic charge image developer according to claim 7 is characterized in that carrier has resin-coated layer.
9. image forming method, it is characterized in that being included at least on the electrostatic image maintenance body, form the static charge latent image operation, on developer carrier, use developer layer, aforementioned electrostatic image keeps in the image forming method of the electrostatic latent image development operation on the body, as this developer, use the described electrostatic charge image developer of claim 7.
10. image forming method according to claim 9 is characterized in that the electrostatic charge image developer use contains vibrin at least, be the copolymer resin that forms of monomer and contain C.I. paratonere 57:1 and/or the pinkish red toner of C.I. pigment red 122 by styrenic monomers and indenes, at least contain vibrin, be the copolymer resin that forms of monomer and the yellow toner that contains C.I. pigment yellow 180 and contain vibrin at least by styrenic monomers and indenes, be the copolymer resin that forms of monomer and contain the C.I. pigment blue 15 by styrenic monomers and indenes: 3 cyanogen toner.
11. image forming method according to claim 10 is characterized in that as electrostatic charge image developer, further use contains vibrin at least, is the copolymer resin that forms of monomer and the black toner that contains carbon black by styrenic monomers and indenes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB981249574A CN1177261C (en) | 1998-11-23 | 1998-11-23 | Toner and developer for electrostatic image development and imaging method using developer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB981249574A CN1177261C (en) | 1998-11-23 | 1998-11-23 | Toner and developer for electrostatic image development and imaging method using developer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1254863A CN1254863A (en) | 2000-05-31 |
| CN1177261C true CN1177261C (en) | 2004-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB981249574A Expired - Fee Related CN1177261C (en) | 1998-11-23 | 1998-11-23 | Toner and developer for electrostatic image development and imaging method using developer |
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| CN (1) | CN1177261C (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003195566A (en) * | 2001-12-28 | 2003-07-09 | Toyo Ink Mfg Co Ltd | Electrostatic image developing toner and image forming method using the same |
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1998
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