CN102621834A - Yellow toner for color electrostatic development and preparation method thereof - Google Patents
Yellow toner for color electrostatic development and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a yellow toner for color electrostatic development and a preparation method thereof. The yellow toner is prepared through the following raw materials in parts by weight: 75 to 90 parts of polyester resin, 5 to 10 parts of ester wax, 3 to 5 parts of yellow pigments, 2 to 5 parts of charge control agent, 1 to 3 parts of aerosol and 0.5 to 3 parts of titanium dioxide; and the raw materials are sequentially premixed, compounded, cooled, roughly pulverized, ground by fluid energy and graded, micronized and graded, premixed with additives, sphericized and finally mixed with additives, and finally the mixture is screened and packaged into a toner product. Compared with a traditional physical pulverizing method, a continuous-type mixer is used for substituting an intermittent batch mixer or an extruding machine, the sphericized processing device is added, an additive premixing procedure and a sphericized processing procedure are added to a process route, so that the problems such as nonuniformity in dispersion and sphericization of particles can be solved.
Description
Technical field
The present invention relates to a kind of color static and develop, belong to the developer technical field with yellow tone agent and preparation method thereof.
Background technology
Along with the variation of information processing quantity and demand, the digitizing of xerox, printing, high speed, colorize have become a kind of trend, and popularizing day by day of colorize makes colour development increase fast with the use amount of toner.It is that color is evenly pure, colour cast, grain diameter are less relatively etc., to satisfy high-resolution requirement that the run-of-the-mill of color toner requires.
Simultaneously, in the design of xerox system equipment transferring rate is had relatively high expectations, thereby need grain graininess homogeneous and shape sphericity height.The manufacturing of color toner, a kind of is traditional physical crushing method, a kind of is chemical method.The former is applied in the preparation of conventional black toner; Technical maturity, cost are lower; But when preparing colour development with toner, show mixing bad dispersibility, particle size is not easy homogeneous and sphericity not high (sphericity is generally 0.92~0.94) behind the crushing and classification; The latter preferably resolves requirement dispersed and particle homogeneity and shape subglobular, but that research and development are made is higher, at the bottom of the one-pass finished rate, environmental protection treatment complicacy and cost height.Colour development system in addition generally uses the component content of wax higher owing to the requirement to color, and it disperses to require very high.The red tone agent is easy to disperse the bad colour cast that causes when using the conventional physical comminuting method, also can cause owing to article shape is bad at the bottom of the transferring rate and big, the long-term use of consumption produces too much useless powder and can pollute that the machine influence is normal to be used.
Summary of the invention
The present invention provides a kind of color static to develop and use the yellow tone agent, and it is inhomogeneous effectively to solve the toner dispersion, and the problem of shape of particle spheroidization makes particle carried charge homogeneous, and permanance and good fluidity reduce cost.
The present invention is realized by following technical scheme:
A kind of color static develops and uses the yellow tone agent, is to be processed by the raw material of following parts by weight: 75~90 parts in vibrin, 5~10 parts of ester type waxes, 3~5 parts of yellow uitramarines, 2~5 parts of charge control agents, 1~3 part of aerosil, 0.5~3 part of titania.
Preparation method of the present invention is following:
Premixed: 75~90 parts in the above-mentioned material vibrin that has measured, 5~10 parts of ester type waxes, 3~5 parts of yellow uitramarines, charge control agent are dropped into high-speed mixer for 2~5 parts together mix; At first mixed on low speed is 30 seconds; Then changeed 90 seconds at a high speed, paused 60 seconds; Repeat above step twice again, middle pause one 60 seconds;
Mixing: that the material that above-mentioned premix gets togather is mixing through KNEADEX continous way mixing roll (Japanese NIPPON COKE&ENGINEERING CO., LTD. makes, the MOS240 type);
Cooling: above-mentioned extruded material is through pair roller water cooling steel band calendering cooling and be broken for sheet material;
Coarse crushing: above-mentioned sheet material is put into Roughpulverizer pulverize, the crushing rear material particle diameter is controlled at 0.8~1.2mm;
Jet mill grinding: the material that above-mentioned coarse crushing is good is inserted the jet mill grinding machine and is pulverized, the oarse-grained content of major control;
Micro-powder graded: as the material after the above-mentioned pulverizing to be carried out classification, remove underproof granule part, make raw meal particle size be controlled at 5~6 μ m, D50 μ m in footpath in the volume;
In advance outer the interpolation mixes: with aforementioned split pole material with (German EVONIK system: R972) drop in the high-speed mixer, at first mixed on low speed is 30 seconds, and then commentaries on classics high speed 60 seconds was paused 60 seconds by the measured additive aerosil of its weight percent meter; Repeat above step twice again, middle pause one 60 seconds;
Spheroidization is handled: above product is carried out surperficial spheroidization through micro mist surface modification treatment machine (Japanese NIPPONPNEUMATIC MFG.CO., LTD. makes, the MR-10A type) handle, sphericity is controlled at 0.95~0.97;
The outer interpolation mixes: the material that aforementioned spheroidization is handled is with by the measured additive aerosil of its weight percent meter (U.S. Cabot system: TG-810F), large granular silicon dioxide (U.S. Cabot system: TG-C6020) and titania (German EVONIK system: NKT90) drop in the high-speed mixer; At first mixed on low speed is 30 seconds; Then changeed 30 seconds at a high speed, paused 60 seconds; Repeat above step twice again, middle pause one 60 seconds;
Sieve: use sieve shaker (screen cloth 140 orders) to sieve the above-mentioned material that mixes;
Packing: the above-mentioned material that sieves is packed by the appointment specification.
Saidly mixingly comprise that four zones are mixing, temperature is respectively: 45 ℃, 140 ℃, 18 ℃ and 50 ℃.
Beneficial effect of the present invention is: compare with the conventional physical comminuting method; Adopt the continous way mixing roll to substitute batch (-type) Banbury mixer or extruder equipment; Increase the spheroidization treatment facility; Increased premixed on the process route and added outward and the spheroidization treatment process, effectively solved and disperseed problem inhomogeneous, shape of particle spheroidization (sphericity reaches 0.96~0.98).Through change to traditional handicraft, reach the effect the same with chemical method production, particle carried charge homogeneous, permanance and good fluidity have reduced manufacturing cost simultaneously significantly.
Embodiment
Below in conjunction with embodiment, the present invention is described further.
Embodiment 1
Composition:
89 parts of (beautiful sun of Mitsubishi: FC-1565) of vibrin;
5.5 parts of (Japanese oil chemistry NOF systems: WE-3) of ester type waxes;
5 parts of yellow uitramarines (Japanese Japan chemistry TOYO CHEM system: LIONOGEN YELLOW0380, Y74);
2 parts of charge control agents (German Clariant Clariant system, Copy Charge N4P);
1 part of aerosil (add outside preparatory and mix: 0.5 part, outer interpolation mixing: 0.5 part);
0.5 part of (German EVONIK system: NKT90) of titania.
Embodiment 2
Composition:
82 parts of (beautiful sun of Mitsubishi: FC-1565) of vibrin;
8.2 parts of (Japanese oil chemistry NOF systems: WE-3) of ester type waxes;
4 parts of yellow uitramarines (Japanese Japan chemistry TOYO CHEM system: LIONOGEN YELLOW0380, Y74);
3 parts of charge control agents (German Clariant Clariant system, Copy Charge N4P);
1 part of aerosil (add outside preparatory and mix: 0.5 part, outer interpolation mixing: 0.5 part);
0.5 part of (German EVONIK system: NKT90) of titania.
Embodiment 3
Composition:
75 parts of (beautiful sun of Mitsubishi: FC-1565) of vibrin;
6 parts of (Japanese oil chemistry NOF systems: WE-3) of ester type waxes;
3 parts of yellow uitramarines (Japanese Japan chemistry TOYO CHEM system: LIONOGEN YELLOW0380, Y74);
4 parts of charge control agents (German Clariant Clariant system, Copy Charge N4P);
1 part of aerosil (add outside preparatory and mix: 0.5 part, outer interpolation mixing: 0.5 part);
0.5 part of (German EVONIK system: NKT90) of titania.
Preparation: the composition of the foregoing description 1~3 is prepared.
Test: above product uses on Hewlett-Packard (HP C1215) color laser printer, and color and image effect and former factory are in full accord; Print 10,000 pages continuously, it is stable that image density keeps, and do not have other abnormal occurrencies and occur.
Claims (6)
1. a color static develops and uses the yellow tone agent, it is characterized in that it being that raw material by following parts by weight is processed: 75~90 parts in vibrin, 5~10 parts of ester type waxes, 3~5 parts of yellow uitramarines, 2~5 parts of charge control agents, 1~3 part of aerosil, 0.5~3 part of titania.
2. a color static develops with the preparation method of yellow tone agent, it is characterized in that being through following step realization:
Premixed: 75~90 parts in the above-mentioned material vibrin that has measured, 5~10 parts of ester type waxes, 3~5 parts of yellow uitramarines, charge control agent are dropped into high-speed mixer for 2~5 parts together mix; At first mixed on low speed is 30 seconds; Then changeed 90 seconds at a high speed, paused 60 seconds; Repeat above step twice again, middle pause one 60 seconds;
Mixing: that the material that above-mentioned premix gets togather is mixing through the continous way mixing roll;
Cooling: above-mentioned extruded material is through pair roller water cooling steel band calendering cooling and be broken for sheet material;
Coarse crushing: above-mentioned sheet material is put into Roughpulverizer pulverize, the crushing rear material particle diameter is controlled at 0.8~1.2mm;
Jet mill grinding: the material that above-mentioned coarse crushing is good is inserted the jet mill grinding machine and is pulverized, the oarse-grained content of major control;
Micro-powder graded: as the material after the above-mentioned pulverizing to be carried out classification, remove underproof granule part, make raw meal particle size be controlled at 5~6 μ m, D50 μ m in footpath in the volume;
Outer in advance the interpolation mixes: with dropping in the high-speed mixer by the measured additive aerosil of its weight percent meter, at first mixed on low speed is 30 seconds with aforementioned split pole material, then changes 60 seconds at a high speed, pauses 60 seconds; Repeat above step twice again, middle pause one 60 seconds;
Spheroidization is handled: above product is carried out surperficial spheroidization through micro mist surface modification treatment machine handle, sphericity is controlled at 0.95~0.97;
The outer interpolation mixes: the material that aforementioned spheroidization is handled is with dropping in the high-speed mixer by the measured additive aerosil of its weight percent meter, large granular silicon dioxide and titania; At first mixed on low speed is 30 seconds; Then changeed 30 seconds at a high speed, paused 60 seconds; Repeat above step twice again, middle pause one 60 seconds;
Sieve: the above-mentioned material that mixes is used sieve shaker, and screen cloth 140 orders sieve;
Packing: the above-mentioned material that sieves is packed by the appointment specification.
3. color static as claimed in claim 2 develops with the preparation method of yellow tone agent, it is characterized in that saidly mixingly comprising that four zones are mixing, and temperature is respectively: 45 ℃, 140 ℃, 18 ℃ and 50 ℃.
4. color static as claimed in claim 2 develops with the preparation method of yellow tone agent, it is characterized in that the said outer in advance aerosil that adds mixing is German EVONIK system: R972; The said outer aerosil that adds mixing is U.S. Cabot system: TG-810F.
5. color static as claimed in claim 2 develops with the preparation method of yellow tone agent, it is characterized in that said large granular silicon dioxide is U.S. Cabot system: TG-C6020.
6. color static as claimed in claim 2 develops with the preparation method of yellow tone agent, it is characterized in that said titania is German EVONIK system: NKT90.
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CN201210085391.2A CN102621834B (en) | 2012-03-28 | 2012-03-28 | Yellow toner for color electrostatic development and preparation method thereof |
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CN102621834B CN102621834B (en) | 2015-03-11 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114167697A (en) * | 2021-12-10 | 2022-03-11 | 南京新天兴影像科技有限公司 | Blue toner with water vapor discoloration performance and preparation method thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1920676A (en) * | 2005-08-23 | 2007-02-28 | 富士施乐株式会社 | Electrostatic latent image developer and image-forming apparatus |
CN1987666A (en) * | 2006-12-28 | 2007-06-27 | 武汉宝特龙信息科技有限公司 | Method for preparing non-magnetic mono-component ink powder for static developing |
CN1996155A (en) * | 2006-12-28 | 2007-07-11 | 武汉宝特龙信息科技有限公司 | Magnetic single-component electronegative static developing toner suitable for various-model machines |
CN102279534A (en) * | 2010-06-11 | 2011-12-14 | 夏普株式会社 | Toner and method for manufacturing the same |
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- 2012-03-28 CN CN201210085391.2A patent/CN102621834B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1920676A (en) * | 2005-08-23 | 2007-02-28 | 富士施乐株式会社 | Electrostatic latent image developer and image-forming apparatus |
CN1987666A (en) * | 2006-12-28 | 2007-06-27 | 武汉宝特龙信息科技有限公司 | Method for preparing non-magnetic mono-component ink powder for static developing |
CN1996155A (en) * | 2006-12-28 | 2007-07-11 | 武汉宝特龙信息科技有限公司 | Magnetic single-component electronegative static developing toner suitable for various-model machines |
CN102279534A (en) * | 2010-06-11 | 2011-12-14 | 夏普株式会社 | Toner and method for manufacturing the same |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114167697A (en) * | 2021-12-10 | 2022-03-11 | 南京新天兴影像科技有限公司 | Blue toner with water vapor discoloration performance and preparation method thereof |
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