CN103592829A - Blue light curing toner and method - Google Patents
Blue light curing toner and method Download PDFInfo
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- CN103592829A CN103592829A CN201310546815.5A CN201310546815A CN103592829A CN 103592829 A CN103592829 A CN 103592829A CN 201310546815 A CN201310546815 A CN 201310546815A CN 103592829 A CN103592829 A CN 103592829A
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Abstract
The invention provides a blue light curing toner and a preparation method thereof. The blue light curing toner comprises the following components in parts by weight: 60 to 80 parts of unsaturated resin, 0.05 to 2 parts of camphorquinone, 2 to 10 parts of coloring agent, 0.5 to 2 parts of silicon dioxide, 0 to 30 parts of adhesive resin and 0 to 6 parts of wax. Images and symbols which are printed by the toner in a combined manner have excellent abrasion resistance, high-temperature resistance, drug tolerance and mechanical property after being cured. In addition, the invention also provides a preparation method and a curing method of the blue light curing toner.
Description
Technical field
The present invention relates to a kind of toner and preparation method thereof and using method, particularly relate to a kind of blue light and solidify toner and preparation method thereof and curing.
Background technology
Laser printer is a kind of conventional computer peripheral equipment, it writes electrostatic latent image by Ear Mucosa Treated by He Ne Laser Irradiation in the photosensitive drums of charging, then attract charged toner-particle to form image, then be transferred on print media, by heating/pressurizing/fixing, image on print media.Due to laser printing, to have speed fast, and noise is little, image waterproof, and single page low cost and other advantages, usable range is more and more wider.The required fixing temperature of early stage toner is higher, needs in advance warm-up mill to be carried out to preheating, not only needs a large amount of energy consumptions, and print speed is also restricted.
In order to address the above problem, some toner adopts the material of low softening temperature to make, although can improve print speed and save photographic fixing energy, because softening temperature is low, causes it easily to lump, and gives transportation, storage and use to bring inconvenience; In addition, also cannot meet the demand of some particular surroundingss to performances such as high temperature resistant, antifriction scrape along resistances.
In order to save the energy consumption of photographic fixing and to improve print speed, publication number is that the patent documentation of US20110177450A1 discloses a kind of fixation method, on the toner image of not photographic fixing, spray one deck light-cured resin, the LED irradiation by 360-420nm solidifies cured resin to reach photographic fixing; Although this mode no longer needs traditional heating/pressurizing/fixing, save corresponding energy and improve print speed, need the equipment that sprays resin as auxiliary, increased the complicacy of printer.
In order to improve the antifriction scrape along resistance to elevated temperatures of toner, the patent No. is that the patent documentation of US8455166 has provided a kind of ultraviolet light polymerization toner and preparation method thereof, in this toner, include UV-cured resin, ultraviolet initiator and wax, it adopts mechanical crushing method to be prepared.In addition, in the patent documentation that is US7494755B2 in the patent No., provided a kind of method of preparing ultraviolet light polymerization toner, by monomer polymerization, form the emulsion of macromolecule resin particle, by modes such as heating, form ultraviolet light polymerization toner with the emulsion that contains unsaturated polyester, the toner of preparation can be applied on the materials such as flexible package like this.
Because ultraviolet light photons energy is high, so curing rate is fast, but the ozone producing in print procedure can damage equipment and human body, and in addition, if ultraviolet light directly shines human body, meeting injured skin, makes eyes sore.In addition, use the printer of this toner that mercury ultraviolet bulb need to be installed in machine and provide ultraviolet light for program curing, but this light fixture has that power input is large, the little shortcoming of output power produces a large amount of heat-energy losses, makes on the contrary fixing power consumption large.
Compare with ultraviolet light, the energy of single blue photons is much lower, is not easy to cause solidifying of unsaturated polyester, easily occurs solidifying incomplete phenomenon, causes printing effect unstable, and the blue light of also not printing for practicality at present solidifies toner.In addition, blue light is visible ray, can not exert an influence, and can adopt LED array to produce to human body, equipment and environment, has electric energy conversion rate high, and the advantage such as consume energy low.
If the toner using in printer has eutectic characteristic, and after photographic fixing, there is good rub resistance, high temperature resistant and mechanical property, when can improve print speed and reducing photographic fixing energy consumption, improve usable range and the print quality of toner; If toner can adopt blue light to solidify completely, can save printing energy consumption, and improve the range of application of light curable type toner.
Summary of the invention
Fundamental purpose of the present invention is to provide the toner that can be cured under blue light condition.
Another object of the present invention is to provide the method for the above-mentioned toner of preparation.
A further object of the present invention is to provide the method for solidifying above-mentioned toner.
In order to realize above-mentioned fundamental purpose, blue light provided by the invention solidifies toner and comprises by weight lower component:
Camphorquinone 0.05-2 part
Unsaturated polyester 60-80 part
Colorant 2-10 part
Silicon dioxide 0.5-2 part
Wax 0-6 part
Binder resin 0-30 part.
In above-mentioned toner, camphorquinone is under the effect of blue light, discharge the living radical that can bring out monomer polymerization, cause the cross-linking and curing reaction of unsaturated polyester, it has very strong absorptive character to wavelength at the photon of the blue region of 400nm-500nm, and peak value is 470nm place, and blue-ray LED sends the wavelength coverage of blue light, is 440nm-480nm, crest wavelength is 467nm, matches with absorbing wavelength and the peak value of camphorquinone; The carbon-carbon double bond of unsaturated polyester combines with living radical, and on this basis, carry out chain-growth, make carbon-carbon double bond generation polymerization, this polymerization is accompanied by transfer and the termination of the free radical on growing chain, unsaturated polyester is solidified, resin after solidifying has good thermotolerance, drug resistance and physical strength, and the resin after solidifying has insoluble characteristic of not melting, and is in use difficult to remove; Colorant, as the corresponding pigment of different colours toner, provides color; The mobility and the electrical property that act as control toner of silicon dioxide; Wax in molten condition, makes cross-linking reaction be more prone to carry out under the effect of thermal source, and wax is also as remover in addition, such as carrying out in fixing with equipment such as fixing rollers, wax is unlikely to be bonded in the time of can making toner melted by heating on fixing film, and in addition, wax can also improve the gloss of toner; Binder resin adheres to toner on print media after photographic fixing, also plays in addition the coherent effect of the components such as toner, and its effect sometimes can be substituted by unsaturated polyester.The above-mentioned parts by weight scope of the combination of these components and each component, determines by lot of experiments, and combinations thereof and parts by weight scope make the curing toner of blue light forming have good erasibility, drug resistance and mechanical property after solidifying; And can under the blue light illumination of low energy densities, just can carry out cross-linking and curing reaction, there is less cost of power.
A concrete scheme is that above-mentioned blue light solidifies the metal salicylate complex compound that toner also comprises 1-5 part by weight.
In above-mentioned blue light solidifies toner, metal salicylate complex compound as controlling agent, to toner with electric charge control.
One more specifically scheme be that, in above-mentioned blue light solidifies toner, the parts by weight of unsaturated polyester are preferably 70-80 part.
Another more specifically scheme be that, in above-mentioned blue light solidifies toner, the parts by weight of camphorquinone are preferably 1-2 part.
Another more specifically scheme be at above-mentioned blue light, to solidify the unsaturated polyester using in toning and can be selected from vinyl unsaturated polyester, preferably unsaturated polyester resin, acrylic acid epoxy resin, acroleic acid polyurethane, polyester acrylic or polyether acrylate.
Another more specifically scheme be, the glass transition temperature that solidifies the unsaturated polyester using in toning at above-mentioned blue light is 40 ℃-60 ℃, mean molecular weight is 3000-30000.
From above scheme, owing to adopting glass transition temperature, be the unsaturated polyester of 40 ℃-60 ℃, the softening point that the blue light of finally preparing solidifies toner is just lower, has eutectic characteristic, can realize and prints fast and reduce energy consumption.
In order to realize another object of the present invention, the chemical method of preparing the curing toner of blue light of the present invention comprises the following steps: step 1: the emulsifying agent that is 1-2 part by binder resin, colorant, wax and weight portion is dissolved in the organic solvent that weight portion is 50-150 part, put into emulsifier unit, under the condition that low whipping speed is 5000rpm-10000rpm, stir and within 60 minutes, form organic disperse phase; Step 2: adding weight portion in organic disperse phase is the deionized water of 100-200 part, stirs under the condition that low whipping speed is 5000-7000rpm and within 30 minutes, forms dispersion emulsion; Step 3: adding weight in dispersion emulsion is the polycoagulant of dispersion emulsion 1%-10%, stirs under the condition that low whipping speed is 400rpm-600rpm 30 minutes, and forming granularity is the diffuse nuclei emulsion of the nuclear particle of 3 μ m-3.5 μ m; Step 4: it is in the organic solvent of 100-150 part that the emulsifying agent that is 1-2 part by unsaturated polyester, camphorquinone and weight portion adds weight portion, stirs under the condition that low whipping speed is 5000rpm-10000rpm 30 minutes, forms organic phase; Step 5: adding weight portion in organic phase is the deionized water of 100-200 part, stirs under the condition that low whipping speed is 5000-7000rpm and within 30 minutes, forms shell emulsion; Step 6: add shell emulsion in diffuse nuclei emulsion, stir 30 minutes under the condition that low whipping speed is 400rpm-600rpm, forming granularity is the core-shell particles dispersion liquid of 4 μ m-5 μ m; Step 7: adding weight in core-shell particles dispersion liquid is the polycoagulant of core-shell particles dispersion liquid 1%-10%, stirs under the condition that is 100rpm-300rpm 30 minutes at low whipping speed, and forming granularity is the toner-particle dispersion liquid of 6 μ m-10 μ m; Step 8: to toner-particle dispersion liquid precipitate, washing and vacuum drying, add silicon dioxide to obtain blue light and solidify toner.
In order to realize another object of the present invention, the mechanical means of preparing the curing toner of blue light of the present invention comprises the following steps: step 1: unsaturated polyester, camphorquinone, colorant, metal salicylate complex compound, binder resin and Ju Bing Greece are mixed equably; Step 2: potpourri is passed in and out with double screw extrusion machine; Step 3: the semi-manufacture that granularity is 7 μ m-15 μ m are pulverized, isolated to the potpourri after extruding; Step 4: add silicon dioxide in semi-manufacture, be mixed to form blue light and solidify toner.
In order to realize a further object of the present invention, solidify the method that blue light of the present invention solidifies toner and comprise: first, blue light solidifies toner and carry out photographic fixing under the heat of fixing roller and backer roll and pressure-acting; Secondly, by the irradiation of blue light, blue light is solidified to toner and be cured.
From above scheme, the curing that blue light of the present invention solidifies toner is simple, can utilize the fixing device of existing printer, only need to increase a blue-ray LED array and just can realize the photographic fixing of this toner with curing, print there is good resistance to wiping, symbol and the image of high temperature resistant and mechanical property.
In order to realize a further object of the present invention, the method of solidifying the curing toner of blue light of the present invention comprises: with infrared ray, blue light is solidified to toner and irradiate heating, and the irradiation of sending blue light by blue LED lamp etc., blue light is solidified to toner and carry out photographic fixing and solidify.
From above scheme, this scheme adopts infrared light to irradiate the curing toner of blue light of the present invention, makes it be subject to thermal softening, and with blue light, it is irradiated, complete curing, thereby complete photographic fixing and solidification process, infrared radiation has the advantages such as high and heat time of electric energy conversion efficiency is short; And heating and curing two steps can be carried out simultaneously, shorten the corresponding time, improve print speed; Compared with prior art, it is without corresponding fixing device and spray equipment, and has the advantages such as energy-conservation and print speed is fast.
Below by embodiment, the present invention is further illustrated.
Embodiment
Specific embodiment comprises that blue light of the present invention solidifies mechanical preparation method, chemical preparation process and the curing of toner.Wherein unsaturated polyester can be selected from the vinyl unsaturated polyesters such as unsaturated polyester resin, acrylic acid epoxy resin, acroleic acid polyurethane, polyester acrylic or polyether acrylate; The optional carbon black of colorant, yellow uitramarine PY180, magenta pigment PR122, permanent Huang-NGG, pigment yellow 181, iron oxide red and/or the common pigments such as purplish blue; Binder resin can be selected from styrene-acrylic resin, vibrin, vinylite, urethane resin and/or epoxy resin etc.; Metal salicylate complex compound can be selected from zinc salicylate complex, ferric salicylate complex, Cobaltous salicylate complex or nickel salicylates complex etc., for colourless metal salicylate complex compounds such as the preferred salicylic acid Zn complexes of color toner; Silicon dioxide can be selected from all kinds of silicon dioxide that are usually used in controlling mobility and electrical property in the toners such as hydrophobic silica; Wax is optional from polypropylene wax, Tissuemat E or natural palm wax etc.; Polycoagulant can be selected from the conventional polycoagulant such as sodium chloride, sodium sulphate or aluminum phosphate; Organic solvent I and organic solvent II are identical organic solvent and can be selected from the conventional organic solvents such as butanone, acetone, ethyl acetate or butyl acetate; Emulsifying agent can be selected from the conventional emulsifying agents such as neopelex.In addition, blue light of the present invention solidifies toner and can also need to add the conventional external additive of the toners such as titania, alchlor, zinc stearate, strontium titanates and/or cerium oxide to improve and/or adjustment respective performances according to printing.
Mechanical preparation method the first embodiment
Step 1: by each component concentration of appointment in following table 1, acrylic acid epoxy resin, camphorquinone, carbon black, zinc salicylate complex, styrene-acrylic resin and polypropylene wax are mixed equably respectively; Step 2: potpourri is extruded with double screw extrusion machine; Step 3: the semi-manufacture that granularity is 7 μ m-15 μ m are pulverized and isolated to the potpourri of extruding; Step 4: add the hydrophobic silica of specifying content in table 1 in semi-manufacture, be mixed to form blue light and solidify toner.
Mechanical preparation method the second embodiment
By each component concentration of appointment in following table 1, repeat the method for mechanical preparation method the first embodiment, but replace acrylic acid epoxy resin with unsaturated polyester resin.
Mechanical preparation method the 3rd embodiment
By each component concentration of appointment in following table 1, repeat the method for mechanical preparation method the first embodiment, but replace acrylic acid epoxy resin with acroleic acid polyurethane.
Mechanical preparation method the 4th embodiment
By each component concentration of appointment in following table 1, repeat the method for mechanical preparation method the first embodiment, but replace acrylic acid epoxy resin with polyester acrylic.
Mechanical preparation method the 5th embodiment
By each component concentration of appointment in following table 1, repeat the method for mechanical preparation method the first embodiment, but replace acrylic acid epoxy resin with polyether acrylate.
Mechanical preparation method the 6th embodiment
By each component concentration of appointment in following table 1, repeat the method for mechanical preparation method the first embodiment, but replace polypropylene wax with Tissuemat E.
Mechanical preparation method the 7th embodiment
By each component concentration of appointment in following table 1, repeat the method for mechanical preparation method the first embodiment, but replace polypropylene wax with natural palm wax.
Mechanical preparation method the 8th embodiment
By each component concentration of appointment in following table 1, repeat the method for mechanical preparation method the first embodiment, but replace carbon black with yellow uitramarine PY180.
Mechanical preparation method the 9th embodiment
By each component concentration of appointment in following table 1, repeat the method for mechanical preparation method the first embodiment, but replace carbon black with magenta pigment PR122.
Mechanical preparation method the tenth embodiment
By each component concentration of appointment in following table 1, repeat the method for mechanical preparation method the first embodiment, but replace styrene-acrylic resin with vibrin.
Mechanical preparation method the 11 embodiment
By each component concentration of appointment in following table 1, repeat the method for mechanical preparation method the first embodiment, but replace styrene-acrylic resin with vinylite.
Mechanical preparation method the 12 embodiment
By each component concentration of appointment in following table 1, repeat the method for mechanical preparation method the first embodiment, but replace zinc salicylate complex with salicylic acid nickel complex.
Mechanical preparation method the 13 embodiment
By each component concentration of appointment in following table 1, repeat the method for mechanical preparation method the first embodiment, but replace zinc salicylate complex with salicylic acid iron complex.
Table 1
Chemical preparation process the first embodiment
Step 1: by each component concentration of appointment in following table 2, styrene-acrylic resin, carbon black, polypropylene wax and emulsifying agent are dissolved in organic solvent I respectively, put into emulsifier unit, under the condition that low whipping speed is 5000rpm-10000rpm, stir and within 60 minutes, form organic disperse phase; Step 2: by specifying content to add deionized water in following table 2 in organic disperse phase, stir under the condition that low whipping speed is 5000-7000rpm and form dispersion emulsion for 30 minutes; Step 3: adding weight in dispersion emulsion is the polycoagulant of dispersion emulsion 1%, stirs under the condition that low whipping speed is 400rpm-600rpm 30 minutes, and forming granularity is the diffuse nuclei emulsion of the nuclear particle of 3 μ m-3.5 μ m; Step 4: by each component concentration of appointment in following table 2, acrylic acid epoxy resin, camphorquinone and emulsifying agent are added in organic solvent II respectively, stir under the condition that low whipping speed is 5000rpm-10000rpm 30 minutes, form organic phase; Step 5: by specifying content to add deionized water in following table 2 in organic phase, stir under the condition that low whipping speed is 5000-7000rpm and form shell emulsion for 30 minutes; Step 6: add shell emulsion in diffuse nuclei emulsion, stir 30 minutes under the condition that low whipping speed is 400rpm-600rpm, forming granularity is the core-shell particles dispersion liquid of 4 μ m-5 μ m; Step 7: adding weight in core-shell particles dispersion liquid is the polycoagulant of core-shell particles dispersion liquid 1%, stirs under the condition that is 100rpm-300rpm 30 minutes at low whipping speed, and forming granularity is the toner-particle dispersion liquid of 6 μ m-10 μ m; Step 8: to toner-particle dispersion liquid precipitate, washing and vacuum drying, add by the component concentration of appointment in following table 2, hydrophobic silica to be obtained to blue light and solidify toner.
Chemical preparation process the second embodiment
By each component concentration of appointment in following table 2, repeat the method for chemical preparation process the first embodiment, but replace acrylic acid epoxy resin with unsaturated polyester resin.
Chemical preparation process the 3rd embodiment
By each component concentration of appointment in following table 2, repeat the method for chemical preparation process the first embodiment, but replace acrylic acid epoxy resin with acroleic acid polyurethane.
Chemical preparation process the 4th embodiment
By each component concentration of appointment in following table 2, repeat the method for chemical preparation process the first embodiment, but replace acrylic acid epoxy resin with polyester acrylic.
Chemical preparation process the 5th embodiment
By each component concentration of appointment in following table 2, repeat the method for chemical preparation process the first embodiment, but replace acrylic acid epoxy resin with polyether acrylate.
Chemical preparation process the 6th embodiment
By each component concentration of appointment in following table 2, repeat the method for chemical preparation process the first embodiment, but replace polypropylene wax with Tissuemat E.
Chemical preparation process the 7th embodiment
By each component concentration of appointment in following table 2, repeat the method for chemical preparation process the first embodiment, but replace polypropylene wax with natural palm wax.
Chemical preparation process the 8th embodiment
By each component concentration of appointment in following table 2, repeat the method for chemical preparation process the first embodiment, but replace carbon black with yellow uitramarine PY180.
Chemical preparation process the 9th embodiment
By each component concentration of appointment in following table 2, repeat the method for chemical preparation process the first embodiment, but replace carbon black with magenta pigment PR122.
Chemical preparation process the tenth embodiment
By each component concentration of appointment in following table 2, repeat the method for chemical preparation process the first embodiment, but replace styrene-acrylic resin with vibrin.
Chemical preparation process the 11 embodiment
By each component concentration of appointment in following table 2, repeat the method for chemical preparation process the first embodiment, but replace styrene-acrylic resin with vinylite.
Chemical preparation process the 12 embodiment
By each component concentration of appointment in following table 2, repeat the method for chemical preparation process the first embodiment, difference is step 3 and step 7, wherein step 3 is: in dispersion emulsion, adding weight is the polycoagulant of dispersion emulsion 5%, low whipping speed is to stir 30 minutes under the condition of 400rpm-600rpm, and forming granularity is the diffuse nuclei emulsion of the nuclear particle of 3 μ m-3.5 μ m; Wherein step 7 is: in core-shell particles dispersion liquid, adding weight is the polycoagulant of core-shell particles dispersion liquid 5%, stirs 30 minutes at low whipping speed under the condition that is 100rpm-300rpm, and forming granularity is the toner-particle dispersion liquid of 6 μ m-10 μ m.
Chemical preparation process the 13 embodiment
By each component concentration of appointment in following table 2, repeat the method for chemical preparation process the first embodiment, difference is step 3 and step 7, wherein step 3 is: in dispersion emulsion, adding weight is the polycoagulant of dispersion emulsion 10%, low whipping speed is to stir 30 minutes under the condition of 400rpm-600rpm, and forming granularity is the diffuse nuclei emulsion of the nuclear particle of 3 μ m-3.5 μ m; Wherein step 7 is: in core-shell particles dispersion liquid, adding weight is the polycoagulant of core-shell particles dispersion liquid 10%, stirs 30 minutes at low whipping speed under the condition that is 100rpm-300rpm, and forming granularity is the toner-particle dispersion liquid of 6 μ m-10 μ m.
Table 2
Curing the first embodiment
The blue light being made by above-mentioned physics and chemical preparation process is solidified to toner and by imaging devices such as laser printer, facsimile recorders, be needed on print media, by the heat of fixing roller and warm-up mill and the effect of pressure, complete the photographic fixing of blue light being solidified to toner; Blue light after photographic fixing is solidified to toner and with the blue light that LED etc. sends, irradiate, completing blue light solidifies solidifying of toner, forms one deck cured layer on print media.Print result shows that the blue light being made by above method solidifies toner after photographic fixing and solidifying, and can print symbol and the image with good erasibility, heat-resisting quantity and mechanical property.The contamination of also can not feeling like jelly under hot conditions of symbol after solidifying and image.
Curing the second embodiment
The blue light being made by above-mentioned physics and chemical preparation process is solidified to toner and by imaging devices such as laser printer, facsimile recorders, be needed on print media, by infrared radiation, heat blue light and solidify toner, make it softening; And the blue light sending by LED irradiates it, complete photographic fixing that blue light solidifies toner and solidify, on print media, form one deck cured layer.Print result shows that the blue light being made by above method solidifies toner after photographic fixing and solidifying, and can print symbol and the image with good erasibility, heat-resisting quantity and mechanical property.The contamination of also can not feeling like jelly under hot conditions of symbol after solidifying and image.In addition, due to the fixing device that uses the printer of this curing without fixing roller and backer roll composition, so it does not exist toner to be bonded at the problem on roller, so it is without related components such as removers.
Main design of the present invention is to prepare by machinery and chemical preparation process the toner that comprises unsaturated polyester and blue-light initiator, make it under the irradiation of blue light, can carry out cross-linking and curing reaction, on print media, print symbol and the image with good erasibility, heat-resisting quantity and mechanical property.According to this design, unsaturated polyester, binder resin, colorant, silicon dioxide and wax be selected from classification and content, the content of metal salicylate complex compound and camphorquinone, the preparation of this toner and curing have multiple apparent variation.
Claims (10)
1. blue light solidifies toner, comprises by weight:
Unsaturated polyester 60-80 part
Camphorquinone 0.05-2 part
Colorant 2-10 part
Silicon dioxide 0.5-2 part
Binder resin 0-30 part
Wax 0-6 part.
2. blue light solidifies toner according to claim 1, also comprises by weight the metal salicylate complex compound of 1-5 part.
3. according to blue light described in claim 1 or 2, solidify toner, wherein unsaturated polyester is 70-80 part by weight.
4. according to blue light described in claim 1 or 2, solidify toner, wherein camphorquinone is 1-2 part by weight.
5. according to blue light described in claim 1 or 2, solidify toner, wherein unsaturated polyester is selected from unsaturated polyester resin, acrylic acid epoxy resin, acroleic acid polyurethane, polyester acrylic or polyether acrylate.
6. according to blue light described in claim 1 or 2, solidify toner, wherein the glass transition temperature of unsaturated polyester is 40 ℃-60 ℃, and mean molecular weight is 3000-30000.
7. the chemical method that described in preparation claim 1, blue light solidifies toner, comprises the following steps:
Step 1: the emulsifying agent that is 1-2 part by binder resin, colorant, wax and weight portion is dissolved in the organic solvent that weight portion is 50-150 part, put into emulsifier unit, under the condition that low whipping speed is 5000rpm-10000rpm, stir and within 60 minutes, form organic disperse phase;
Step 2: adding weight portion in organic disperse phase is the deionized water of 100-200 part, stirs under the condition that low whipping speed is 5000-7000rpm and within 30 minutes, forms dispersion emulsion;
Step 3: adding weight in dispersion emulsion is the polycoagulant of dispersion emulsion 1%-10%, stirs under the condition that low whipping speed is 400rpm-600rpm 30 minutes, and forming granularity is the diffuse nuclei emulsion of the nuclear particle of 3 μ m-3.5 μ m;
Step 4: it is in the organic solvent of 100-150 part that the emulsifying agent that is 1-2 part by unsaturated polyester, camphorquinone and weight portion adds weight portion, stirs under the condition that low whipping speed is 5000rpm-10000rpm 30 minutes, forms organic phase;
Step 5: adding weight portion in organic phase is the deionized water of 100-200 part, stirs under the condition that low whipping speed is 5000-7000rpm and within 30 minutes, forms shell emulsion;
Step 6: add shell emulsion in diffuse nuclei emulsion, stir 30 minutes under the condition that low whipping speed is 400rpm-600rpm, forming granularity is the core-shell particles dispersion liquid of 4 μ m-5 μ m;
Step 7: adding weight in core-shell particles dispersion liquid is the polycoagulant of core-shell particles dispersion liquid 1%-10%, stirs under the condition that low whipping speed is 100rpm-300rpm 30 minutes, and forming granularity is the toner-particle dispersion liquid of 6 μ m-10 μ m;
Step 8: to toner-particle dispersion liquid precipitate, washing and vacuum drying, add silicon dioxide to obtain blue light and solidify toner.
8. described in preparation claim 2, blue light solidifies the mechanical means of toner, comprises the following steps:
Step 1: unsaturated polyester, camphorquinone, colorant, metal salicylate complex compound, binder resin and wax are mixed equably;
Step 2: potpourri is extruded with double screw extrusion machine;
Step 3: the semi-manufacture that granularity is 7 μ m-15 μ m are pulverized and isolated to the potpourri after extruding;
Step 4: add silicon dioxide in semi-manufacture, be mixed to form blue light and solidify toner.
9. the method that described in curing claim 1 or 2, blue light solidifies toner, comprises the following steps:
First, blue light solidifies toner and carry out photographic fixing under the heat of fixing roller and backer roll and pressure-acting;
Secondly, by the irradiation of blue light, blue light is solidified to toner and be cured.
10. the method that described in curing claim 1 or 2, blue light solidifies toner, is characterized in that:
With infrared ray, blue light is solidified to toner and irradiate heating; And complete the photographic fixing of the curing toner of blue light with curing by the irradiation of blue light.
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| CN109634074A (en) * | 2019-01-18 | 2019-04-16 | 湖北鼎龙控股股份有限公司 | A kind of novel toner and preparation method thereof |
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| CN104387755B (en) * | 2014-11-03 | 2018-06-15 | 南京百川行远激光科技有限公司 | A kind of photosensitive resin and preparation method thereof |
| CN109634074A (en) * | 2019-01-18 | 2019-04-16 | 湖北鼎龙控股股份有限公司 | A kind of novel toner and preparation method thereof |
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