CN102053517A - Method for preparing one-component electropositive color toner used for color laser printer - Google Patents
Method for preparing one-component electropositive color toner used for color laser printer Download PDFInfo
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- CN102053517A CN102053517A CN2010105310010A CN201010531001A CN102053517A CN 102053517 A CN102053517 A CN 102053517A CN 2010105310010 A CN2010105310010 A CN 2010105310010A CN 201010531001 A CN201010531001 A CN 201010531001A CN 102053517 A CN102053517 A CN 102053517A
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Abstract
The invention relates to a method for preparing one-component electropositive color toner used for a color laser printer. The raw materials include 50 to 80 parts by weight of phenylpropyl resin, 10 to 30 parts by weight of polyester resin, 5 to 20 parts by weight of color concentrate, 1 to 10 parts by weight of release agent, 0.5 to 5 parts by weight of charge control agent, and 1 to 5 parts by weight of additional additive. The phenylpropyl resin, the polyester resin, the color concentrate, the charge control agent and the release agent are mixed according to the above proportion, then processed through melting, extrusion, tabletting and coarse pulverizing, and further pulverized by an airflow pulverizer and classified to obtain a semi-finished product, and then the additional additive is added, so that the product of the invention is produced. The charge-to-mass ratio of the one-component electropositive color toner produced through the method is 12 to 18 uc/g, and the agglomeration degree is less than 1%; the color toner is suitable for various color printers and all-in-ones and does not fly during the whole printing process; all the over-all properties are superior to the standard; and the color toner has low price, and the requirements of compatible consumable factories at home and abroad can be satisfied.
Description
Technical field
The present invention relates to multicolour laser printer electropositivity colored carbon powder, particularly a kind of preparation method of multicolour laser printer one-component electropositivity colored carbon powder.
Background technology
At present the analytic ability of the colored carbon powder image description aspect used of color laser printer is relatively poor, and in order to promote the analytic ability that colored carbon powder that color laser printer uses improves image description aspect, production firm uses new-type chemical carbon powder one after another instead.The method for preparing chemical carbon powder has: suspension polymerization (Canon, HP, Brother company adopt), emulsification coacervation (xerox, Minolta, epson company adopt), polyester method (employing of Ricoh company), the polymerization that is separated (employing of Sinonar company).Though chemical carbon powder can obtain print quality preferably, but because the starting material range of choice is narrow, the investment of production equipment and environmental protection equipment is huge, water consumption big, carbon dust is long drying time, causes its production cost height, can't satisfy the demand of most consumers.Especially the chemical carbon powder of suspension polymerization preparation is because its height spheroidization, causes not the cleaning of the transfer printing carbon dust difficulty that becomes, and is easy to cause bottom ash.And little, the good fluidity of chemical carbon powder particle diameter, be prone to and fly the powder phenomenon in compatible toner cartridge/powder box printing.
Summary of the invention
The objective of the invention is in order to overcome the shortcoming that above-mentioned multicolour laser printer electropositivity colored carbon powder exists, a kind of preparation method of multicolour laser printer one-component electropositivity colored carbon powder is provided, product print image density height, good uniformity, the bottom ash amount of the present invention's preparation seldom, do not fly powder, photographic fixing is firm, the demand that can adapt to multiple style middling speed color printer, all-in-one, and manufacturing technology is simple, low-carbon environment-friendly, handling safety, with low cost.
The objective of the invention is to realize by following technical scheme:
1, the raw material of multicolour laser printer one-component electropositivity colored carbon powder of the present invention, form by following components in weight portions:
Styrene-acrylic resin 50～80 weight portions
Vibrin 10～30 weight portions
Masterbatch 5～20 weight portions
Release agent 1～10 weight portion
Charge control agent 0.5～5 weight portion
External additive 1～5 weight portion
Above-mentioned styrene-acrylic resin softening point is 160～180 ℃, the vibrin point is 110～130 ℃, styrene-acrylic resin and vibrin are formed in 1: 0.25～0.5 ratio, the acid number of styrene-acrylic resin, vibrin is at 0～3mg KOH/g, to reach photographic fixing ability, roll banding performance and the chargeding performance of effective raising one-component electropositivity colored carbon powder.
Above-mentioned Masterbatch is weighed in 1: 1～2 ratio with styrene-acrylic resin by colorant and is fully mixed, through double screw extrusion machine extrude, compressing tablet, cooling, coarse crushing is made.Wherein colorant comprises: the carbon black that the blueness of C, M, the special use of Y powder, redness 1, redness 2, yellow organic pigment and K powder are used, wherein the redness 1 of M powder special use and red 2 organic pigments are formed in 1: 0.5～1 ratio, with guarantee that colorant is uniformly dispersed in mixing process and tone and OEM approaching.
Above-mentioned release agent is that the polypropylene wax that 80～90 ℃ paraffin and softening point are 130～140 ℃ is formed in 1: 0.5～1 ratio by softening point, with the fusing point and the demoulding ability of effective control one-component electropositivity colored carbon powder.
Above-mentioned charge control agent comprises: higher fatty acid slaine, alkylamide, nigrosine BK, nigrosine NB, styrene-propene acid are automatically controlled dose of resin type and have the resin of quaternary ammonium salt or have the resin of carbonate.The styrene-acrylic resin and the vibrin of preferred per 100 weight portions, the addition of charge control agent is 0.1～10 weight portion, more preferably 0.5～5 weight portion.The charge control agent that uses can effectively improve carried charge and the fireballing characteristic that electrifies, and makes carbon dust that favorable durability and stability be arranged.
Above-mentioned external additive comprises: one or more combination of silicon dioxide, metal oxide, titanium dioxide, stearates superfines, and to improve flowability, charge stability and the retention of one-component electropositivity colored carbon powder.
2, the preparation of multicolour laser printer one-component electropositivity colored carbon powder
Above-mentioned styrene-acrylic resin, vibrin, Masterbatch, charge control agent, release agent mix in high-speed mixer according to the above ratio, utilize extruder to carry out melting mixing, after extruder is extruded compressing tablet, the coarse crushing of input bowl mill further obtains semi-manufacture through the airslide disintegrating mill crushing and classification.Classification is carried out in requirement according to mean grain size, the preferred 4-12 μ of the volume average particle size Dv of particle m, and the ratio Dv/Dp of more preferably 7～10 μ m, and volume average particle size and particle mean grain size is preferably 1～1.25 01.0～1.3.
3, add external additive
Add external additive in the above-mentioned semi-manufacture again and make product of the present invention.Above-mentioned external additive comprises: one or more combination of silicon dioxide, metal oxide, titanium dioxide, stearates superfines.
The present invention produces multicolour laser printer one-component electropositivity colored carbon powder volume average particle size Dv in 8～8.5 mu m ranges with mechanical crushing method.
After technical scheme of the present invention is implemented, carried charge 12～the 18uc/g of the one-component electropositivity colored carbon powder of being produced in the aggegation degree 1%, is used for many moneys middling speed color printer, all-in-one, C powder density＞1.2, M powder density＞1.1, Y powder density＞0.8, K powder density＞1.4, bottom ash＜0.08, fixing level＞92%, powder consumption＜35mg/p, printing whole process does not see and flies powder, combination property all is better than industry standard, and cheap, has satisfied the demand of domestic and international compatible consumptive material producer.
Embodiment
In conjunction with the embodiments, describe the present invention in detail.The raw material of the multicolour laser printer one-component electropositivity colored carbon powder of the embodiment of the invention is made up of following components in weight portions, and described per 1 weight portion is 1 kilogram.
Embodiment 1:
The raw material of multicolour laser printer one-component electropositivity colored carbon powder of the present invention, form by following components in weight portions:
Styrene-acrylic resin 60 weight portions
Vibrin 15 weight portions
Paraffin 2 weight portions
Polypropylene wax 1 weight portion
Charge control agent 3 weight portions
Masterbatch C 19 weight portions
In proportion raw material is mixed in high-speed mixer, extrude compressing tablet through extruder, coarse crushing further obtains semi-manufacture a through the airslide disintegrating mill crushing and classification, and size-grade distribution is as follows:
Volume average particle size Dv 8.56 μ m
The volume fraction 2% of≤5 μ m
The volume fraction 0.3% of 〉=16 μ m
According to following prescription, add external additive:
Semi-manufacture a 100 weight portions
Silicon dioxide microparticle 1 1.0 weight portions
Silicon dioxide microparticle 2 0.3 weight portions
Zinc stearate 0.1 weight portion
Above-mentioned material is weighed in proportion, in high-speed mixer, frequency setting 20～40Hz, incorporation time 3～10min crosses 100～300 mesh sieves after mixing and makes finished product.
Embodiment 2:
Styrene-acrylic resin 60 weight portions
Vibrin 14 weight portions
Paraffin 2 weight portions
Polypropylene wax 1 weight portion
Charge control agent 3 weight portions
Masterbatch M1 10 weight portions
Masterbatch M2 10 weight portions
In proportion raw material is mixed in high-speed mixer, extrude compressing tablet through extruder, coarse crushing further obtains semi-manufacture b through the airslide disintegrating mill crushing and classification, and size-grade distribution is as follows:
Volume average particle size Dv 8.62 μ m
The volume fraction 2% of≤5 μ m
The volume fraction 0.3% of 〉=16 μ m
According to following prescription, add external additive:
Semi-manufacture b 100 weight portions
Silicon dioxide microparticle 1 1.5 weight portions
Silicon dioxide microparticle 2 0.4 weight portions
Zinc stearate 0.1 weight portion
Above-mentioned material is weighed in proportion, in high-speed mixer, frequency setting 20～40Hz, incorporation time 3～10min crosses 100～300 mesh sieves after mixing and makes finished product.
Embodiment 3:
Styrene-acrylic resin 60 weight portions
Vibrin 19 weight portions
Paraffin 2 weight portions
Polypropylene wax 1 weight portion
Charge control agent 3 weight portions
Masterbatch Y 15 weight portions
In proportion raw material is mixed in high-speed mixer, extrude compressing tablet through extruder, coarse crushing further obtains semi-manufacture c through the airslide disintegrating mill crushing and classification, and size-grade distribution is as follows:
Volume average particle size Dv 8.65 μ m
The volume fraction 2% of≤5 μ m
The volume fraction 0.3% of 〉=16 μ m
According to following prescription, add external additive:
Semi-manufacture c 100 weight portions
Silicon dioxide microparticle 11.2 weight portions
Silicon dioxide microparticle 20.5 weight portions
Zinc stearate 0.2 weight portion
Titania 0.1 weight portion
Above-mentioned material is weighed in proportion, in high-speed mixer, frequency setting 20～40Hz, incorporation time 3～10min crosses 100～300 mesh sieves after mixing and makes finished product.
Embodiment 4:
Styrene-acrylic resin 70 weight portions
Vibrin 16 weight portions
Paraffin 2 weight portions
Polypropylene wax 1 weight portion
Charge control agent 3 weight portions
Carbon black 8 weight portions
In proportion raw material is mixed in high-speed mixer, extrude compressing tablet through extruder, coarse crushing further obtains semi-manufacture d through the airslide disintegrating mill crushing and classification, and size-grade distribution is as follows:
Volume average particle size Dv 8.71 μ m
The volume fraction 2% of≤5 μ m
The volume fraction 0.3% of 〉=16 μ m
According to following prescription, add external additive:
Semi-manufacture d 100 weight portions
Silicon dioxide microparticle 11.0 weight portions
Silicon dioxide microparticle 20.8 weight portions
Zinc stearate 0.2 weight portion
Above-mentioned material is weighed in proportion, in high-speed mixer, frequency setting 20～40Hz, incorporation time 3～10min crosses the 100-300 mesh sieve after mixing and makes finished product.
The one-component electropositivity colored carbon powder that above-mentioned four kinds of embodiment obtain is as follows in electropositivity color laser printer (is example with Brother HL-3040 type printer) printing situation:
The image quality index that the machine test obtains on the one-component electropositivity colored carbon powder of the present invention all reaches industry standard, particularly print the whole cycle and do not see and fly the powder phenomenon, the image density fluctuation is less, does not almost have bottom ash, and cheap, satisfied the demand of domestic and international compatible consumptive material producer.
Claims (5)
1. the preparation method of multicolour laser printer one-component electropositivity colored carbon powder is characterized in that:
(1), the raw material of multicolour laser printer one-component electropositivity colored carbon powder of the present invention, form by following components in weight portions:
Styrene-acrylic resin 50～80 weight portions
Vibrin 10～30 weight portions
Masterbatch 5～20 weight portions
Release agent 1～10 weight portion
Charge control agent 0.5～5 weight portion
External additive 1～5 weight portion
(2), the preparation of multicolour laser printer one-component electropositivity colored carbon powder
Above-mentioned styrene-acrylic resin, vibrin, Masterbatch, charge control agent, release agent mix in high-speed mixer according to the above ratio, utilize extruder to carry out melting mixing, after extruder is extruded compressing tablet, the coarse crushing of input bowl mill, further obtain semi-manufacture through the airslide disintegrating mill crushing and classification, classification is carried out in requirement according to mean grain size, the preferred 4-12 μ of the volume average particle size Dv of particle m, 7～10 μ m more preferably, and the ratio Dv/Dp of volume average particle size and particle mean grain size is preferably 1～1.25 01.0～1.3;
(3), add external additive
Add external additive in the above-mentioned semi-manufacture again and make product of the present invention, external additive comprises: one or more combination of silicon dioxide, metal oxide, titanium dioxide, stearates superfines.
2. the preparation method of multicolour laser printer one-component electropositivity colored carbon powder according to claim 1, it is characterized in that: described styrene-acrylic resin softening point is 160～180 ℃, the vibrin point is 110～130 ℃, styrene-acrylic resin and vibrin are formed in 1: 0.25～0.5 ratio, and the acid number of styrene-acrylic resin, vibrin is at 0～3mg KOH/g.
3. the preparation method of multicolour laser printer one-component electropositivity colored carbon powder according to claim 1, it is characterized in that: described Masterbatch is weighed in 1: 1～2 ratio with styrene-acrylic resin by colorant and is fully mixed, through double screw extrusion machine extrude, compressing tablet, cooling, coarse crushing is made, wherein colorant comprises: the carbon black that the blueness of C, M, the special use of Y powder, redness 1, redness 2, yellow organic pigment and K powder are used, the redness 1 of wherein M powder special use and red 2 organic pigments are formed in 1: 0.5～1 ratio.
4. the preparation method of multicolour laser printer one-component electropositivity colored carbon powder according to claim 1 is characterized in that: described release agent is that the polypropylene wax that 80～90 ℃ paraffin and softening point are 130～140 ℃ is formed in 1: 0.5～1 ratio by softening point.
5. the preparation method of multicolour laser printer one-component electropositivity colored carbon powder according to claim 1, it is characterized in that: described charge control agent comprises: higher fatty acid slaine, alkylamide, nigrosine BK, nigrosine NB, styrene-propene acid are automatically controlled dose of resin type and have the resin of quaternary ammonium salt or have the resin of carbonate, preferred per 100 weight portions styrene-acrylic resin and vibrin, the addition of charge control agent is 0.1～10 weight portion, more preferably 0.5～5 weight portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010531001 CN102053517B (en) | 2010-11-01 | 2010-11-01 | Method for preparing one-component electropositive color toner used for color laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010531001 CN102053517B (en) | 2010-11-01 | 2010-11-01 | Method for preparing one-component electropositive color toner used for color laser printer |
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| CN102053517A true CN102053517A (en) | 2011-05-11 |
| CN102053517B CN102053517B (en) | 2013-12-18 |
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| CN 201010531001 Expired - Fee Related CN102053517B (en) | 2010-11-01 | 2010-11-01 | Method for preparing one-component electropositive color toner used for color laser printer |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102253616A (en) * | 2011-08-09 | 2011-11-23 | 河北丰华重工机电设备制造有限公司 | Ink powder for laser printer |
| CN103163752A (en) * | 2013-03-26 | 2013-06-19 | 广州市科密办公科技有限公司 | Colour powdered ink for black and white laser printer/copier and preparation method thereof |
| CN105467789A (en) * | 2015-12-21 | 2016-04-06 | 邯郸汉光办公自动化耗材有限公司 | Application of chemical-method external addition technology in preparation of color powder |
| CN106125521A (en) * | 2016-05-17 | 2016-11-16 | 优彩科技(湖北)有限公司 | A kind of Diversity resin makes the method for color laser printing red carbon powder |
| CN106249560A (en) * | 2016-08-30 | 2016-12-21 | 广东丽格科技股份有限公司 | A kind of electrophotography electropositive colored carbon powder and preparation method thereof |
| CN108947270A (en) * | 2017-05-19 | 2018-12-07 | 比亚迪股份有限公司 | 3D ambetti and preparation method thereof |
| CN109976115A (en) * | 2017-12-27 | 2019-07-05 | 广州携创办公用品有限公司 | A kind of used in copy machines ink powder and preparation method thereof |
| CN112882361A (en) * | 2021-01-18 | 2021-06-01 | 天津市合成材料工业研究所有限公司 | Electropositive color ink powder and preparation method thereof |
| CN114571871A (en) * | 2022-03-01 | 2022-06-03 | 宁波得力科贝技术有限公司 | Printing method and printer |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102253616A (en) * | 2011-08-09 | 2011-11-23 | 河北丰华重工机电设备制造有限公司 | Ink powder for laser printer |
| CN103163752A (en) * | 2013-03-26 | 2013-06-19 | 广州市科密办公科技有限公司 | Colour powdered ink for black and white laser printer/copier and preparation method thereof |
| CN105467789A (en) * | 2015-12-21 | 2016-04-06 | 邯郸汉光办公自动化耗材有限公司 | Application of chemical-method external addition technology in preparation of color powder |
| CN106125521A (en) * | 2016-05-17 | 2016-11-16 | 优彩科技(湖北)有限公司 | A kind of Diversity resin makes the method for color laser printing red carbon powder |
| CN106249560A (en) * | 2016-08-30 | 2016-12-21 | 广东丽格科技股份有限公司 | A kind of electrophotography electropositive colored carbon powder and preparation method thereof |
| CN108947270A (en) * | 2017-05-19 | 2018-12-07 | 比亚迪股份有限公司 | 3D ambetti and preparation method thereof |
| CN109976115A (en) * | 2017-12-27 | 2019-07-05 | 广州携创办公用品有限公司 | A kind of used in copy machines ink powder and preparation method thereof |
| CN112882361A (en) * | 2021-01-18 | 2021-06-01 | 天津市合成材料工业研究所有限公司 | Electropositive color ink powder and preparation method thereof |
| CN114571871A (en) * | 2022-03-01 | 2022-06-03 | 宁波得力科贝技术有限公司 | Printing method and printer |
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| CN102053517B (en) | 2013-12-18 |
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