CN102736458A - Method for preparing black and colorful powdered ink by gathering-fusing method - Google Patents
Method for preparing black and colorful powdered ink by gathering-fusing method Download PDFInfo
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Abstract
The invention relates to a method for preparing black and colorful powdered ink by a gathering-fusing method. The method comprises the steps of: 1) mutually dissolving a polyatomic alcohol solvent with deionized water to obtain a mixed solvent; 2) respectively, preparing a resin emulsion through emulsion polymerization reaction, preparing a wax dispersing liquid through high temperature emulsification and preparing a pigment dispersing liquid and a charge adjustor dispersing liquid through ball milling dispersion by taking the mixed solvent as a medium; 3) mixing the resin emulsion, the wax dispersing liquid, the pigment dispersing liquid and the charge adjustor dispersing liquid according to proportion at room temperature, and agitating uniformly; adjusting pH of the system to 1-2 and heating to 40-600 DEG C, and forcibly agitating for 1-3 hours to obtain clusters of 10-15 microns; 4) raising the temperature to 100-1200 DEG C, forcibly agitating for 3-5 hours, and fusing the clusters gradually to form solid particles; and 5) cooling, filtering, washing and airing to obtain the powdered link. The method provided by the invention is simple in process, convenient and safe, and high in production efficiency.
Description
Technical field
The present invention relates to the preparation method of laser printing/xerox, the present invention relates to the method that a kind of logical overbunching – fusion method prepares the color laser printing ink powder particularly with ink powder.
Background of invention
Along with the development of office automation with popularize, the application of laser printing and Xeroxing is increasingly extensive, and is correspondingly huge as the ink powder demand of the main consumptive material of printing/duplicating, become the main growth point of the industry output value and profit.
Ink powder (or be called toner, Toner) be to be the particulate aggregate that comprises compositions such as pigment, charge adjusting agent (℃ ℃ A), lubricant of main body with the resin.At present, the ink powder preparation method can be divided into traditional fusion comminuting method, chemical polymerization and Ju Ji – fusion method three major types type.
Traditional fusion comminuting method is that to place mixing roll on the resin melt temperature, to mediate by a certain percentage resin, colorant and other composition mixing, the gained fused mass through extrude, cool off, pulverizing, classification, adding adjuvant obtain finished product.This technical matters is easy, production efficiency is high; (problem can be too not outstanding in black and white is printed for these problems but the homogeneity of ingredients of ink powder particle is relatively poor, shape irregularity, size-grade distribution are wide etc.; But the quality for colour print will produce great adverse effect), the energy consumption of production run height, noise and dust harzard property are big besides.
Chemical polymerization is that " growth " powder rather than " grinding " obtain powder [like USP5648193A, 4983488,6582873,65666028,6740463,6528222; EP0162577,0225476,0302939,0631196]; Its process generally is that the oil phase that includes monomer, initiating agent, pigment and adjuvant is mixed with water; Add spreading agent and, obtain the water base suspending liquid of micro-droplet of oil, the polymerization of heating trigger monomer through the mulser processing; Oil droplet is solidified into particle, collects drying and obtains ink powder.Compare with traditional fusion comminuting method; Properties of product of chemical polymerization good (the regular spherical in shape or elliposoidal of powder shape, narrow particle size distribution, composition are even) etc.; Be suitable for preparing high-quality particularly color toner, the production run energy consumption is low, the feature of environmental protection good (be medium with water in the preparation process, do not use high temperature and high-tenacity to pulverize).But there are limitations such as technology controlling and process is complicated, conditional request is strict, production efficiency is low in this straight polymerization powder process method.
Gathering-fusion method [as: USP5290654,5308734,5403693,6582873,7560505B2] be a kind of change and progress on the chemical method basis; It is the advanced ink powder technology of preparing that has combined traditional method and chemical polymerization advantage; Process is as the one of which: the aqueous emulsion for preparing the nano-resin ball through emulsion polymerization; The aqueous-based dispersions for preparing materials such as pigment, wax, charge adjusting agent through ball milling respectively, various dispersion liquids are stable with surfactant (spreading agent); In proportion various dispersion liquids are mixed, the environmental baseline of regulation system (adding salt or acid, alkali etc.) generation flocculation phenomenon, ultrafine dust is assembled loose bunch of formation micron order, and loose elongate member of clustering of control makes its size unlikely excessive; Heating impels bunch fusion of loose group to form fine and close, and the spheroidization that uses high pressure vessel under higher temperature, to carry out particle is handled; Particle obtains product through collection, washing and drying.Ju Ji – fusion method has been inherited the characteristics of the best in quality and process environmental protection of chemical polymerization, also has the simple advantage of traditional method technology concurrently.
The basic step of Ju Ji – fusion method is the aqueous-based dispersions of the various raw materials of preparation, and the successful dispersions in aqueous medium such as the resin of organism attribute, pigment, wax, charge adjusting agent depend on the selection of effective surface activating agent (spreading agent).Spreading agent mainly uses ion-type (negative ion/kation); Like institute's dodecyl benzene sulfonate, cetyl sulphonate, dodecyl polyethoxy carboxylate, cetyl trialkyl amine salt, N-dodecyl pyridiniujm etc.; Regulate its effectiveness because ionic dispersant can change through ionic strength or pH value, the particulate in the initiation dispersed system produces assembles trend.
Yet; The aqueous systems that utilization comprises above-mentioned spreading agent prepares dispersion liquid (its particle diameter requires at 100 – 300nm) through emulsification or ball milling; The use of spreading agent generally is controlled at a few percent mass concentration scope; The dispersion fluid viscosity was big when dispersant concentration was big, foamability is serious, will bring great trouble and difficulty to technological process.Such situation brings some outstanding problems for present Ju Ji – fusion method: for example the solid content of dispersion liquid is not high, finally makes the preparation efficiency (batch output) lower (total solid content 10 – 15wt.% in the mixed liquor) of ink powder; In the spheroidization process of wax emulsion preparation and particle, all need surpass 1000 ℃ temperature for another example, the necessary working pressure container of these these processes of meaning, obviously there is the problem of convenience and security in such operating conditions.
Summary of the invention
In order to overcome the shortcoming of prior art, the present invention provides a kind of Ju Ji – fusion method to prepare the method for black, color toner, and its technology is simple, and is convenient and safe, and production efficiency is high.
The present invention solves the technical scheme that its technical matters takes: comprise the following steps: 1) polyalcohols solvent and deionized water are dissolved each other in the ratio of 1:1 – 4w/w, obtain the mixed type solvent, the content of polyvalent alcohol is 20-50wt.%; 2) be medium with above-mentioned mixed solvent; Prepare resin emulsion through emulsion polymerization respectively; The solid content of resin emulsion is 15-30wt.%, prepares wax dispersion through high temperature emulsification, and the solid content of wax dispersion is 20 – 40wt.%; Prepare dispersible pigment dispersion and charge adjusting agent dispersion liquid through Ball milling, the solid content of dispersible pigment dispersion and charge adjusting agent dispersion liquid is all 20-40wt.%; 3) at room temperature; Resin emulsion, wax dispersion, dispersible pigment dispersion and charge adjusting agent dispersion liquid are mixed in proportion; Stir, described ratio is the 75-85wt.% that resin emulsion accounts for gross mass, wax dispersion 5-15wt.%; Dispersible pigment dispersion accounts for 5-10wt.%, and the charge adjusting agent dispersion liquid accounts for 1-5wt.%; The pH value of regulation system is to 1-2 and be heated to 600 ℃ of 40 –, is the powerful 1 – 3h of stirring under the 1000 – 2000rpm at rotating speed, obtains the group bunch of 10 –, 15 μ m; 4) rising temperature to 100 – is 1200 ℃, is the powerful 3 – 5h of stirring under the 1000 – 2000rpm at rotating speed, and group bunch is fused into solid particle gradually; 5) be cooled to 30 ℃ of 20 –, filter, wash, dry with 1000 –, 3000 order sand core funnels, obtain ink powder, powder is subsphaeroidal, size is about 10 μ m.
1), technology is simple, convenient and safe the present invention has advantage:, production efficiency is high.2), can provide have enough electric charge load capacity, the ink powder of satisfactory thermal parameters combination (when being heated photographic fixing, can soften rapidly and flow, ability is rapidly solidified when breaking away from the high-temperature region) and appropriate particle size.
Embodiment
The present invention includes the following step: 1) polyalcohols solvent and deionized water are dissolved each other in the ratio of 1:1 – 4w/w, obtain the mixed type solvent, the content of polyvalent alcohol is 20 – 50wt.%; 2) be medium with above-mentioned mixed solvent; Prepare resin emulsion through emulsion polymerization respectively; The solid content of resin emulsion is 15 – 30wt.%, prepares wax dispersion through high temperature emulsification, and the solid content of wax dispersion is 20 – 40wt.%; Prepare dispersible pigment dispersion and charge adjusting agent dispersion liquid through Ball milling, the solid content of dispersible pigment dispersion and charge adjusting agent dispersion liquid is all 20 – 40wt.%; 3) at room temperature; Resin emulsion, wax dispersion, dispersible pigment dispersion and charge adjusting agent dispersion liquid are mixed in proportion; Stir, described ratio is the 75 – 85wt.% that resin emulsion accounts for gross mass, wax dispersion 5 – 15wt.%; Dispersible pigment dispersion accounts for 5 – 10wt.%, and the charge adjusting agent dispersion liquid accounts for 1 – 5wt.%; PH value to 1 – 2 of regulation system also is heated to 600 ℃ of 40 –, is the powerful 1 – 3h of stirring under the 1000 – 2000rpm at rotating speed, obtains the group bunch of 10 –, 15 μ m; 4) rising temperature to 100 – is 1200 ℃, is the powerful 3 – 5h of stirring under the 1000-2000rpm at rotating speed, and group bunch is fused into solid particle gradually; 5) be cooled to 30 ℃ of 20 –, filter, wash, dry with 1000-3000 order sand core funnel, obtain ink powder, powder is subsphaeroidal, size is about 10 μ m.
Described polyalcohols solvent is monoethylene glycol, glycerine, monoethylene glycol condensation product and polyglycol (PEG100 – 800) etc.
Described monoethylene glycol condensation product comprises diglycol, triethylene-glycol, tetraethylene-glycol.
The preparation of said resin emulsion comprises the following steps: that (1) is dissolved in 0.5 gram potassium persulfate, 0.42 gram soda mint and 6.8 gram methacrylic acid-β-carboxylic ethyl esters in the blending agent; Be put in the conical flask for usely as A liquid, described 140 gram blending agents are the potpourri that 100 gram deionized waters and 40 restrain monoethylene glycol; (2) in 1 liter of three mouthfuls of reaction flask; Add blending agent, 2 gram neopelexes, 78 gram styrene, 15.4 gram butyl acrylates and 2.5 gram lauryl mercaptans respectively; Add the A liquid of 28 grams again, behind the mixing pH value is adjusted to 9, handled 5 minutes with mulser then; Rotating speed is 10000rpm, and described 260 gram blending agents are the potpourri of 180 gram deionized waters and 80 gram monoethylene glycol; (3) reaction bulb device for mechanical stirrer, stirring rate are 800rpm, and the oil bath heating after temperature reaches 700 ℃, drips A liquid remaining in the conical flask, dropwises in 2 hours; Drip off the back 800 ℃ of insulations of 70 – 5 hours, stop reaction, be chilled to room temperature and promptly get nano level resin emulsion, particle diameter is 80 – 100nm.Get the partial tree fat liquor, add CaCl2 strong solution breakdown of emulsion, through suction filtration, washing, drying, powdery resin: solid content is less than 20wt.%, Mw=1.3 * 105, Tg=550 ℃, Tf1/2 (2.5Kg adds stone roller)=110 ℃.
The preparation of said wax dispersion comprises the following steps: that (1) adds 80 gram Tissuemat Es (
MP950 ℃) and 60 gram monoethylene glycol in 500 ml beakers; Be heated to 1300 ℃ of 120 –; Under 500 – 1000rpm rotating speeds, stirred 1 – 2 hours, to the wax mixing that liquefies fully; (2) add the deionized water that 80 grams contain 1 gram neopelex again; Under 1200 ℃, handle twice with mulser, each 5 minutes, rotating speed was 10000rpm; Be powerful the stirring 1 hour under the 1000-2000rpm at rotating speed then; Under brute force stirs, be quickly cooled to room temperature afterwards, get wax dispersion: particle diameter is less than 250nm, and solid content is less than 40wt.%.
The preparation of said dispersible pigment dispersion comprises the following steps:
The preparation of a, black pigment dispersion liquid: in 80 gram blending agents; Add 20 gram carbon blacks (N990) and 0.5 gram neopelex; Potpourri places satellite-type bowl mill ball grinder to grind 24 hours, can obtain black pigment dispersion liquid (particle diameter ~ 400nm, solid content ~ 20wt.%); Described 80 gram blending agents are the potpourri of 40 gram deionized waters and 40 gram monoethylene glycol; Described satellite-type bowl mill ball grinder rotating speed is rotating speed 500rpm, and zirconium pearl diameter is Φ 2 – 3mm.
The preparation of b, Huang, article, green pigment dispersion liquid: use pigment yellow-74 (Pigment Yellow-74), paratonere-122 (Pigment Red-122) and phthalocyanine blue (β-CuPc) to replace the carbon black in the preparation of said black pigment dispersion liquid respectively; Can obtain Huang, article, green pigment dispersion liquid respectively: particle diameter is less than 200nm, and solid content is less than 20wt.%.
The preparation of said charge adjusting agent dispersion liquid comprises the following steps: that (1) is in 90 gram blending agents; A kind of charge adjusting agent that adds 20 grams; For example salicyclic acid derivatives zinc complex, and 1 gram neopelex, potpourri places satellite-type bowl mill ball grinder to grind 24 hours; Can obtain the charge adjusting agent dispersion liquid: particle diameter is less than 300nm, and solid content is less than 20wt.%; Described 90 gram blending agents are the potpourri of 60 gram deionized waters and 30 gram monoethylene glycol; The rotating speed that grinds in the said satellite-type bowl mill ball grinder is 500rpm, and zirconium pearl diameter is Φ 2-3mm.
The preparation of powdered black ink comprises the following steps: under (1) room temperature; Resin emulsion, 15 grams, 20wt.% black pigment dispersion liquid, 10 grams, 40wt.% wax dispersion and 3 grams with 150 grams, 20wt.%; In the there-necked flask that the adding of 20wt.% charge adjusting agent dispersion liquid is 250 milliliters, mixing and stirring; (2) regulate pH and be not more than 1, be heated to 50-60 ℃, powerful stirring is 1-3 hour under the 2000-5000rpm rotating speed, obtains the group bunch of 10 –, 15 μ m; (3) rising temperature to 110 – is 1150 ℃, and continue to stir, and rotating speed is 1000 – 1500rpm, and the time is 3 – 5 hours, and group bunch progressively is fused into solid particle, and powder is subsphaeroidal, the about 10 μ m of size; (4) be cooled to 30 ℃ of 20 –, filter, wash, dry with 1000 –, 3000 order sand core funnels; (5) the improved silica powder of adding 20 – 30nm, addition is the 1wt.% of gained grain weight amount, as adding composition outward, obtains being applicable to the powdered black ink of laser printing.
The preparation of Huang, article, cyan ink powder comprises the following steps: to adopt the preparation process of described powdered black ink; Replace described black pigment dispersion liquid with Huang, article, green pigment dispersion liquid respectively, can obtain being applicable to Huang, article, the cyan ink powder of color laser printing.
The present invention specifies through above instantiation.It is pointed out that in spirit of the present invention and the scope stated, can make some variations and modification.Therefore, above-mentioned specific embodiment is not to be used to limit the present invention.
Claims (10)
1. one kind is gathered the method that collection – fusion method prepares black, color toner, it is characterized in that: comprise the following steps: 1) polyalcohols solvent and deionized water are dissolved each other in the ratio of 1:1 – 4w/w, obtain the mixed type solvent, the content of polyvalent alcohol is 20 – 50wt.%; 2) be medium with above-mentioned mixed solvent; Prepare resin emulsion through emulsion polymerization respectively; The solid content of resin emulsion is 15 – 30wt.%, prepares wax dispersion through high temperature emulsification, and the solid content of wax dispersion is 20 – 40wt.%; Prepare dispersible pigment dispersion and charge adjusting agent dispersion liquid through Ball milling, the solid content of dispersible pigment dispersion and charge adjusting agent dispersion liquid is all 20-40wt.%; 3) at room temperature; Resin emulsion, wax dispersion, dispersible pigment dispersion and charge adjusting agent dispersion liquid are mixed in proportion; Stir, described ratio is the 75 – 85wt.% that resin emulsion accounts for gross mass, wax dispersion 5 – 15wt.%; Dispersible pigment dispersion accounts for 5 – 10wt.%, and the charge adjusting agent dispersion liquid accounts for 1 – 5wt.%; PH value to 1 – 2 of regulation system also is heated to 600 ℃ of 40 –, is the powerful 1 – 3h of stirring under the 1000-2000rpm at rotating speed, obtains the group bunch of 10-15 μ m; 4) rising temperature is to 100-1200 ℃, is the powerful 3 – 5h of stirring under the 1000 – 2000rpm at rotating speed, and group bunch is fused into solid particle gradually; 5) be cooled to 30 ℃ of 20 –, filter, wash, dry with 1000 –, 3000 order sand core funnels, obtain ink powder, powder is subsphaeroidal, size is about 10 μ m.
2. Ju Ji – fusion method according to claim 1 prepares the method for black, color toner, it is characterized in that: described polyalcohols solvent is monoethylene glycol, glycerine, monoethylene glycol condensation product and polyglycol (PEG100 – 800) etc.
3. Ju Ji – fusion method according to claim 1 prepares the method for black, color toner, it is characterized in that: described monoethylene glycol condensation product comprises diglycol, triethylene-glycol, tetraethylene-glycol.
4. Ju Ji – fusion method according to claim 1 prepares the method for black, color toner; It is characterized in that: the preparation of said resin emulsion comprises the following steps: that (1) is dissolved in 0.5 gram potassium persulfate, 0.42 gram soda mint and 6.8 gram methacrylic acid-β-carboxylic ethyl esters in the blending agent; Be put in the conical flask for usely as A liquid, described 140 gram blending agents are the potpourri that 100 gram deionized waters and 40 restrain monoethylene glycol; (2) in 1 liter of three mouthfuls of reaction flask; Add blending agent, 2 gram neopelexes, 78 gram styrene, 15.4 gram butyl acrylates and 2.5 gram lauryl mercaptans respectively; Add the A liquid of 28 grams again, behind the mixing pH value is adjusted to 9, handled 5 minutes with mulser then; Rotating speed is 10000rpm, and described 260 gram blending agents are the potpourri of 180 gram deionized waters and 80 gram monoethylene glycol; (3) reaction bulb device for mechanical stirrer, stirring rate are 800rpm, and the oil bath heating after temperature reaches 700 ℃, drips A liquid remaining in the conical flask, dropwises in 2 hours; Drip off the back 70-800 ℃ of insulation 5 hours, stop reaction, be chilled to room temperature and promptly get nano level resin emulsion, particle diameter is 80 – 100nm.Get the partial tree fat liquor, add CaCl2 strong solution breakdown of emulsion, through suction filtration, washing, drying, powdery resin: solid content is less than 20wt.%, Mw=1.3 * 105, Tg=550 ℃, Tf1/2 (2.5Kg adds stone roller)=110 ℃.
5. Ju Ji – fusion method according to claim 1 prepares the method for black, color toner; It is characterized in that: the preparation of said wax dispersion comprises the following steps: that (1) is with 80 gram Tissuemat Es
600; MP950 ℃) and 60 the gram monoethylene glycol add in 500 ml beakers; Be heated to 1300 ℃ of 120 –; Under 500 – 1000rpm rotating speeds, stirred 1 – 2 hours, to the wax mixing that liquefies fully; (2) add the deionized water that 80 grams contain 1 gram neopelex again; Under 1200 ℃, handle twice with mulser, each 5 minutes, rotating speed was 10000rpm; Be powerful the stirring 1 hour under the 1000 – 2000rpm at rotating speed then; Under brute force stirs, be quickly cooled to room temperature afterwards, get wax dispersion: particle diameter is less than 250nm, and solid content is less than 40wt.%.
6. Ju Ji – fusion method according to claim 1 prepares the method for black, color toner; It is characterized in that: the preparation of said dispersible pigment dispersion comprises the following steps: the preparation of black pigment dispersion liquid: in 80 gram blending agents; Add 20 gram carbon blacks (N990) and 0.5 gram neopelex; Potpourri places satellite-type bowl mill ball grinder to grind 24 hours, can obtain black pigment dispersion liquid (particle diameter ~ 400nm, solid content ~ 20wt.%); Described 80 gram blending agents are the potpourri of 40 gram deionized waters and 40 gram monoethylene glycol; Described satellite-type bowl mill ball grinder rotating speed is rotating speed 500rpm, and zirconium pearl diameter is Φ 2 – 3mm.
7. Ju Ji – fusion method according to claim 6 prepares the method for black, color toner; It is characterized in that: the preparation of Huang, article, green pigment dispersion liquid: use pigment yellow-74 (Pigment Yellow-74), paratonere-122 (Pigment Red-122) and phthalocyanine blue (β-CuPc) to replace the carbon black in the preparation of said black pigment dispersion liquid respectively; Can obtain Huang, article, green pigment dispersion liquid respectively: particle diameter is less than 200nm, and solid content is less than 20wt.%.
8. Ju Ji – fusion method according to claim 1 prepares the method for black, color toner; It is characterized in that: the preparation of said charge adjusting agent dispersion liquid comprises the following steps: that (1) is in 90 gram blending agents; A kind of charge adjusting agent that adds 20 grams; For example salicyclic acid derivatives zinc complex, and 1 gram neopelex, potpourri places satellite-type bowl mill ball grinder to grind 24 hours; Can obtain the charge adjusting agent dispersion liquid: particle diameter is less than 300nm, and solid content is less than 20wt.%; Described 90 gram blending agents are the potpourri of 60 gram deionized waters and 30 gram monoethylene glycol; The rotating speed that grinds in the said satellite-type bowl mill ball grinder is 500rpm, and zirconium pearl diameter is Φ 23mm.
9. Ju Ji – fusion method according to claim 1 prepares the method for black, color toner; It is characterized in that: the preparation of powdered black ink comprises the following steps: under (1) room temperature; Resin emulsion, 15 grams, 20wt.% black pigment dispersion liquid, 10 grams, 40wt.% wax dispersion and 3 grams with 150 grams, 20wt.%; In the there-necked flask that the adding of 20wt.% charge adjusting agent dispersion liquid is 250 milliliters, mixing and stirring; (2) regulate pH and be not more than 1, be heated to 60 ℃ of 50 –, powerful stirring 1 – is 3 hours under 2000 – 5000rpm rotating speeds, obtains the group bunch of 10 –, 15 μ m; (3) rising temperature to 110 – is 1150 ℃, and continue to stir, and rotating speed is 1000 – 1500rpm, and the time is 3 – 5 hours, and group bunch progressively is fused into solid particle, and powder is subsphaeroidal, the about 10 μ m of size; (4) be cooled to 30 ℃ of 20 –, filter, wash, dry with 1000 –, 3000 order sand core funnels; (5) the improved silica powder of adding 20 – 30nm, addition is the 1wt.% of gained grain weight amount, as adding composition outward, obtains being applicable to the powdered black ink of laser printing.
10. Ju Ji – fusion method according to claim 8 prepares the method for black, color toner; It is characterized in that: the preparation of Huang, article, cyan ink powder comprises the following steps: to adopt the preparation process of described powdered black ink; Replace described black pigment dispersion liquid with Huang, article, green pigment dispersion liquid respectively, can obtain being applicable to Huang, article, the cyan ink powder of color laser printing.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103336415A (en) * | 2013-06-27 | 2013-10-02 | 金发科技股份有限公司 | Color toner and preparation method thereof |
| CN103345133A (en) * | 2013-06-27 | 2013-10-09 | 金发科技股份有限公司 | Colour toner and preparation method thereof |
| CN104330960A (en) * | 2014-10-20 | 2015-02-04 | 中国科学院化学研究所 | Anionic nano wax emulsion as well as preparation method and application thereof |
| CN104360584A (en) * | 2014-11-27 | 2015-02-18 | 邯郸汉光办公自动化耗材有限公司 | Preparation method and application of nano charge control agent dispersion liquid |
| CN105527806A (en) * | 2015-12-21 | 2016-04-27 | 邯郸汉光办公自动化耗材有限公司 | Preparation method of electropositive color toner employing chemical method |
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| US6268102B1 (en) * | 2000-04-17 | 2001-07-31 | Xerox Corporation | Toner coagulant processes |
| JP2004117588A (en) * | 2002-09-24 | 2004-04-15 | Fuji Photo Film Co Ltd | Electrophotographic image receiving sheet and image forming method |
| US6835768B2 (en) * | 2002-08-28 | 2004-12-28 | Xerox Corporation | Wax dispersions and process thereof |
| CN1706889A (en) * | 2004-06-04 | 2005-12-14 | 施乐公司 | Wax emulsion for emulsion aggregation toner |
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| US6268102B1 (en) * | 2000-04-17 | 2001-07-31 | Xerox Corporation | Toner coagulant processes |
| US6835768B2 (en) * | 2002-08-28 | 2004-12-28 | Xerox Corporation | Wax dispersions and process thereof |
| JP2004117588A (en) * | 2002-09-24 | 2004-04-15 | Fuji Photo Film Co Ltd | Electrophotographic image receiving sheet and image forming method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336415A (en) * | 2013-06-27 | 2013-10-02 | 金发科技股份有限公司 | Color toner and preparation method thereof |
| CN103345133A (en) * | 2013-06-27 | 2013-10-09 | 金发科技股份有限公司 | Colour toner and preparation method thereof |
| CN103345133B (en) * | 2013-06-27 | 2016-03-02 | 金发科技股份有限公司 | A kind of color toner and preparation method thereof |
| CN103336415B (en) * | 2013-06-27 | 2016-05-11 | 金发科技股份有限公司 | A kind of color toner and preparation method thereof |
| CN104330960A (en) * | 2014-10-20 | 2015-02-04 | 中国科学院化学研究所 | Anionic nano wax emulsion as well as preparation method and application thereof |
| CN104360584A (en) * | 2014-11-27 | 2015-02-18 | 邯郸汉光办公自动化耗材有限公司 | Preparation method and application of nano charge control agent dispersion liquid |
| CN105527806A (en) * | 2015-12-21 | 2016-04-27 | 邯郸汉光办公自动化耗材有限公司 | Preparation method of electropositive color toner employing chemical method |
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| CN102736458B (en) | 2013-08-28 |
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