CN102053516A - Preparation method of dry-type nonmagnetic single-component positive electricity carbon powder for laser printer - Google Patents
Preparation method of dry-type nonmagnetic single-component positive electricity carbon powder for laser printer Download PDFInfo
- Publication number
- CN102053516A CN102053516A CN 201010530985 CN201010530985A CN102053516A CN 102053516 A CN102053516 A CN 102053516A CN 201010530985 CN201010530985 CN 201010530985 CN 201010530985 A CN201010530985 A CN 201010530985A CN 102053516 A CN102053516 A CN 102053516A
- Authority
- CN
- China
- Prior art keywords
- laser printer
- preparation
- resin
- component
- weight portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Developing Agents For Electrophotography (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a preparation method of dry-type nonmagnetic single-component positive electricity carbon powder for a laser printer, which is implemented according to the following technical proposal: the raw material for the semi-finished product in the dry-type nonmagnetic single-component positive electricity carbon powder for the laser printer contains the following components in parts by weight: 100 parts of adhesive resin, 1 to 20 parts of coloring agent, 0.1 to 15 parts of demolding agent and 0.1 to 10 parts of charge control agent; and the preparation method comprises the steps of uniformly mixing the adhesive resin, the coloring agent, the demolding agent and the charge control agent in a high-speed mixer in proportion, melting and mixing by using an extruder, inputting into a ball mill for roughly crushing after extruding and performing through the extruder, further crushing and grading through a jet mill to obtain the semi-finished product, and adding an external additive in the semi-finished product to prepare the product in the invention. The product in the invention has the advantages that excellent image quality can still be maintained even in a low temperature and moisture environment and a high temperature and moisture environment, the printed images have high durability and low cost, and the product is suitable for a plurality of positive electricity laser printers.
Description
Technical field
The present invention relates to laser printer electropositivity carbon dust, particularly a kind of preparation method of laser printer dry type non-magnetic mono-component electropositivity carbon dust.
Background technology
The ubiquitous shortcoming of laser printer electropositivity carbon dust is a poor durability on the home market at present, and ghost image, bottom ash and the decline of full black print homogeneity appear in long-term the printing.
Summary of the invention
The objective of the invention is to overcome the shortcoming that above-mentioned laser printer electropositivity carbon dust exists, a kind of preparation method of laser printer dry type non-magnetic mono-component electropositivity carbon dust is provided, make product of the present invention can under low temperature and low humidity and hot and humid environment, still keep excellent picture quality, the image durability of printing can be high, and applicability is strong.
The objective of the invention is to realize by following technical scheme:
1, the half-finished raw material of laser printer dry type non-magnetic mono-component electropositivity carbon dust of the present invention, form by following components in weight portions:
Binding resin 100 weight portions
Colorant 1-20 weight portion
Release agent 0.1-15 weight portion
Charge control agent 0.1-10 weight portion
Above-mentioned binding resin comprises: it is resin and N-vinylite that phenylethylene resin series, acrylic resin, styrene-propene acid need copolymer resins, polyester based resin, polyamide-based resin, polyurethane series resin, vinyl ether.Wherein, optimization styrene-acrylic acid series copolymer resins, phenylethylene resin series and polyester.The acid number of binding resin is at 0-20mg KOH/g, preferred 0-10mg KOH/g, further preferred 0-5mg KOH/g.
Above-mentioned colorant comprises: nigrosine, titanium are black, carbon black, acetylene black and lamp carbon black.Wherein, preferred carbon black and nigrosine, and the binding resin of preferred per 100 weight portions, the addition of colorant is the 1-20 weight portion, more preferably the 5-15 weight portion.
Above-mentioned release agent comprises: polypropylene wax, Tissuemat E, paraffin, palm wax, montan wax and rice wax, optimization polypropylene wax, paraffin and palm wax.The purpose of adding release agent is to improve fixation performance and prevent that anti-seal of roll banding and conditions of streaking from occurring.The binding resin of preferred per 100 weight portions, the addition of release agent is the 0.5-10 weight portion, more preferably the 1-5 weight portion.Release agent can be one or more combination.
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 binding resin of preferred per 100 weight portions, the addition of charge control agent is the 0.1-10 weight portion, more preferably the 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.
2, mixing, pulverizing, classification
Above-mentioned binding resin, colorant, charge control agent and release agent are mixed in high-speed mixer according to the above ratio, utilize extruder to carry out melting mixing, after extruder was extruded compressing tablet, the coarse crushing of input bowl mill further obtained 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 at 1.0-1.3.
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: two kinds of silicon dioxide microparticles and a kind of fatty acid metal salts particulate.The volume average particle size of silicon dioxide microparticle a is at 10-30nm, and the mean grain size of silicon dioxide microparticle b is at 60-90nm, the volume average particle size 0.1-0.5 μ m of fatty acid metal salts.Silicon dioxide microparticle a is electropositive, and the frictional electrification amount is at 10-200 μ c/g.Silicon dioxide microparticle a is a gas phase hydrophobic silica particulate, and volume average particle size is at 10-30nm, preferred per 100 weight portion semi-manufacture, and silicon dioxide microparticle a is the 0.5-1.0 weight portion.Silicon dioxide microparticle b is a hydrophobic silica, and volume average particle size is at 60-90nm.Preferred per 100 weight portion semi-manufacture, silicon dioxide microparticle b is the 0.5-1.0 weight portion.The fatty acid metal salts particulate has zinc stearate, calcium stearate, potassium stearate, odium stearate, dolomol, lithium stearate.Mean grain size is at 0.1-0.5 μ m.Preferred per 100 weight portion semi-manufacture, fatty acid metal salts is the 0.1-0.5 weight portion.The effect of external additive is flowability and the charging property that improves carbon dust.
The image quality of the printing of product of the present invention is good, the endurance quality height, applicability is strong, cost is lower, under low temperature and low humidity and hot and humid environment, still keep excellent picture quality, be applicable to many moneys electropositivity laser printer, overcome laser printer electropositivity carbon dust ubiquity poor durability on the present home market, the shortcoming that ghost image, bottom ash and full black print homogeneity descend appears in long-term the printing.
Embodiment
In conjunction with the embodiments, describe the present invention in detail.
Embodiment 1:
The half-finished raw material of laser printer dry type non-magnetic mono-component electropositivity carbon dust of the present invention, form by following components in weight portions:
Styrene-propene acid resin copolymer 100 weight portions
Carbon black 7 weight portions
Low-molecular polypropylene 3 weight portions
Quaternary charge control agent 2 weight portions
Ratio mixes above-mentioned raw materials in high-speed mixer by weight, extrudes compressing tablet through extruder, and the bowl mill coarse crushing further obtains semi-manufacture through the airslide disintegrating mill crushing and classification, and size-grade distribution is as follows:
Volume average particle size Dv 9.56 μ m
Particle mean grain size Dp 7.98 μ m
Dv/Dp 1.2
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 100 weight portions
Silicon dioxide microparticle 10.8 weight portions
Silicon dioxide microparticle 20.6 weight portions
Zinc stearate 0.2 weight portion
Above-mentioned material is weighed in proportion, in high-speed mixer, frequency setting 10-40Hz, incorporation time 3-30min crosses the 50-300 mesh sieve after mixing and makes finished product.
Embodiment 2:
The half-finished raw material of laser printer dry type non-magnetic mono-component electropositivity carbon dust of the present invention, form by following components in weight portions:
Styrene-propene acid fat copolymer resins 60 weight portions
Polyester 40 weight portions
Carbon black 7 weight portions
Low-molecular polypropylene 3 weight portions
Palm wax 2 weight portions
Styrene-acrylic resin type charge control agent 2 weight portions
Ratio mixes above-mentioned raw materials in high-speed mixer by weight, extrudes compressing tablet through extruder, and the bowl mill coarse crushing further obtains semi-manufacture through the airslide disintegrating mill crushing and classification, and size-grade distribution is as follows:
Volume average particle size Dv 8.86 μ m
Particle mean grain size Dp 7.14 μ m
Dv/Dp 1.24
The volume fraction 5% of≤5 μ m
The volume fraction 0.1% of 〉=16 μ m
According to following prescription, add external additive:
Semi-manufacture 100 weight portions
Silicon dioxide microparticle 11.0 weight portions
Silicon dioxide microparticle 20.6 weight portions
Zinc stearate 0.1 weight portion
Above-mentioned material is weighed in proportion, in high-speed mixer, frequency setting 10-40Hz, incorporation time 3-30min crosses the 50-300 mesh sieve after mixing and makes finished product.
Above-mentioned two kinds of products that the enforcement case obtains, at electropositivity laser printer printing test, the image quality index all reaches international industry unified standard, particularly image density, bottom ash value and black print homogeneity.And this carbon dust has long-time stable carried charge and flowability, can keep higher picture quality in the long-time back of printing, do not cause the phenomenon of image quality decrease to occur even under hot and humid situation, do not have bottom ash etc. yet, print excellent in te pins of durability, be applicable to many moneys electropositivity laser printer.
Claims (9)
1. the preparation method of laser printer dry type non-magnetic mono-component electropositivity carbon dust is characterized in that: the objective of the invention is to realize by following technical scheme:
A, the half-finished raw material of laser printer dry type non-magnetic mono-component electropositivity carbon dust of the present invention, form by following components in weight portions:
Binding resin 100 weight portions
Colorant 1-20 weight portion
Release agent 0.1-15 weight portion
Charge control agent 0.1-10 weight portion
B, mixing, pulverizing, classification
Above-mentioned binding resin, colorant, charge control agent and release agent are mixed in high-speed mixer in proportion, 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 at 1.0-1.3;
C, adding external additive
Add external additive in the above-mentioned semi-manufacture again, external additive comprises: two kinds of silicon dioxide microparticles and a kind of fatty acid metal salts particulate, the volume average particle size of silicon dioxide microparticle a is at 10-30nm, the mean grain size of silicon dioxide microparticle b is at 60-90nm, the volume average particle size 0.1-0.5 μ m of fatty acid metal salts, silicon dioxide microparticle a is electropositive, the frictional electrification amount is at 10-200 μ c/g, silicon dioxide microparticle a is a gas phase hydrophobic silica particulate, volume average particle size is at 10-30nm, preferred per 100 weight portion semi-manufacture, silicon dioxide microparticle a is the 0.5-1.0 weight portion, and silicon dioxide microparticle b is a hydrophobic silica, and volume average particle size is at 60-90nm, preferred per 100 weight portion semi-manufacture, silicon dioxide microparticle b is the 0.5-1.0 weight portion, and the fatty acid metal salts particulate has zinc stearate, calcium stearate, potassium stearate, odium stearate, dolomol, lithium stearate, mean grain size is at 0.1-0.5 μ m, preferred per 100 weight portion semi-manufacture, fatty acid metal salts is the 0.1-0.5 weight portion.
2. the preparation method of laser printer dry type non-magnetic mono-component electropositivity carbon dust according to claim 1, it is characterized in that: described binding resin comprises: it is resin and N-vinylite that phenylethylene resin series, acrylic resin, styrene-propene acid need copolymer resins, polyester based resin, polyamide-based resin, polyurethane series resin, vinyl ether.
3. the preparation method of laser printer dry type non-magnetic mono-component electropositivity carbon dust according to claim 2 is characterized in that: described binding resin optimization styrene-acrylic acid series copolymer resins, phenylethylene resin series and polyester.
4. the preparation method of laser printer dry type non-magnetic mono-component electropositivity carbon dust according to claim 1, it is characterized in that: described colorant comprises: nigrosine, titanium are black, carbon black, acetylene black and lamp carbon black.
5. the preparation method of laser printer dry type non-magnetic mono-component electropositivity carbon dust according to claim 4 is characterized in that: preferred carbon black of described colorant and nigrosine.
6. the preparation method of laser printer dry type non-magnetic mono-component electropositivity carbon dust according to claim 1, it is characterized in that: described release agent comprises: polypropylene wax, Tissuemat E, paraffin, palm wax, montan wax and rice wax.
7. the preparation method of laser printer dry type non-magnetic mono-component electropositivity carbon dust according to claim 6, it is characterized in that: described release agent comprises optimization polypropylene wax, paraffin and palm wax.
8. the preparation method of laser printer dry type non-magnetic mono-component electropositivity carbon dust according to claim 7, it is characterized in that: described release agent can be one or more combination.
9. the preparation method of laser printer dry type non-magnetic mono-component electropositivity carbon dust 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 the resin with quaternary ammonium salt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010530985 CN102053516A (en) | 2010-11-01 | 2010-11-01 | Preparation method of dry-type nonmagnetic single-component positive electricity carbon powder for laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010530985 CN102053516A (en) | 2010-11-01 | 2010-11-01 | Preparation method of dry-type nonmagnetic single-component positive electricity carbon powder for laser printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102053516A true CN102053516A (en) | 2011-05-11 |
Family
ID=43957973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010530985 Pending CN102053516A (en) | 2010-11-01 | 2010-11-01 | Preparation method of dry-type nonmagnetic single-component positive electricity carbon powder for laser printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102053516A (en) |
Cited By (7)
| 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 |
| CN105137728A (en) * | 2015-07-02 | 2015-12-09 | 武汉宝特龙科技股份有限公司 | Powdered ink preparation apparatus and preparation method |
| 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 |
| CN106200286A (en) * | 2016-07-12 | 2016-12-07 | 武汉宝特龙科技股份有限公司 | A kind of preparation method of the powdered ink being applicable to high speed laser printer |
| CN107247394A (en) * | 2017-08-07 | 2017-10-13 | 湖北远东卓越科技股份有限公司 | It is a kind of to be used to heat carbon dust of fixation process and preparation method thereof |
| CN109613805A (en) * | 2018-12-28 | 2019-04-12 | 天津市中环天佳电子有限公司 | A kind of non magnetic elecrtonegativity duplicator color toner and preparation method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1420393A (en) * | 2001-07-11 | 2003-05-28 | 精工爱普生株式会社 | Mono-component non-magnetic toner, its mfg. method and image forming device using same |
| CN1474237A (en) * | 2003-06-12 | 2004-02-11 | 周学良 | Developer and its preparing method |
| CN1591205A (en) * | 2003-08-28 | 2005-03-09 | 施乐公司 | Organic toner compositions |
| CN1704850A (en) * | 2004-06-03 | 2005-12-07 | 三星电子株式会社 | Method of preparing toner |
| CN1908821A (en) * | 2006-08-02 | 2007-02-07 | 周学良 | Black powdered carbon for color copier and its preparing process |
| CN101266417A (en) * | 2007-03-16 | 2008-09-17 | 株式会社理光 | Toner for developing electrostatic charge image, developer and image forming apparatus |
| CN101271290A (en) * | 2007-03-19 | 2008-09-24 | 株式会社理光 | Toner for developing electrostatic latent image, and image forming apparatus and process cartridge |
-
2010
- 2010-11-01 CN CN 201010530985 patent/CN102053516A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1420393A (en) * | 2001-07-11 | 2003-05-28 | 精工爱普生株式会社 | Mono-component non-magnetic toner, its mfg. method and image forming device using same |
| CN1474237A (en) * | 2003-06-12 | 2004-02-11 | 周学良 | Developer and its preparing method |
| CN1591205A (en) * | 2003-08-28 | 2005-03-09 | 施乐公司 | Organic toner compositions |
| CN1704850A (en) * | 2004-06-03 | 2005-12-07 | 三星电子株式会社 | Method of preparing toner |
| CN1908821A (en) * | 2006-08-02 | 2007-02-07 | 周学良 | Black powdered carbon for color copier and its preparing process |
| CN101266417A (en) * | 2007-03-16 | 2008-09-17 | 株式会社理光 | Toner for developing electrostatic charge image, developer and image forming apparatus |
| CN101271290A (en) * | 2007-03-19 | 2008-09-24 | 株式会社理光 | Toner for developing electrostatic latent image, and image forming apparatus and process cartridge |
Cited By (7)
| 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 |
| CN105137728A (en) * | 2015-07-02 | 2015-12-09 | 武汉宝特龙科技股份有限公司 | Powdered ink preparation apparatus and preparation method |
| 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 |
| CN106200286A (en) * | 2016-07-12 | 2016-12-07 | 武汉宝特龙科技股份有限公司 | A kind of preparation method of the powdered ink being applicable to high speed laser printer |
| CN107247394A (en) * | 2017-08-07 | 2017-10-13 | 湖北远东卓越科技股份有限公司 | It is a kind of to be used to heat carbon dust of fixation process and preparation method thereof |
| CN109613805A (en) * | 2018-12-28 | 2019-04-12 | 天津市中环天佳电子有限公司 | A kind of non magnetic elecrtonegativity duplicator color toner and preparation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102053516A (en) | Preparation method of dry-type nonmagnetic single-component positive electricity carbon powder for laser printer | |
| CN102053517B (en) | Method for preparing one-component electropositive color toner used for color laser printer | |
| CN110083023A (en) | A kind of bronze red ink powder and preparation method thereof being exclusively used in official document printing | |
| CN101916054B (en) | Environmentally-friendly developer and manufacturing method thereof | |
| CN103149811A (en) | Aroma type powdered ink and preparation method thereof | |
| CN104635443A (en) | Environmentally friendly fragrant powered ink and method for preparing the powered ink | |
| JP2011006622A (en) | Black particle, method for producing the same, black toner using the same, particle container and toner container | |
| CN102314105A (en) | Developing agent for printer | |
| CN102621833B (en) | Red toner for color electrostatic development and preparation method thereof | |
| CN100495222C (en) | Non-magnetic monocomponent color toner and preparation method thereof | |
| CN103163752A (en) | Colour powdered ink for black and white laser printer/copier and preparation method thereof | |
| CN106030419A (en) | Toner for developing electrostatic images | |
| JP3981135B2 (en) | Non-magnetic one-component color toner and method for producing the same | |
| CN101592879B (en) | Toner and manufacture method thereof | |
| CN102621834B (en) | Yellow toner for color electrostatic development and preparation method thereof | |
| CN107163195B (en) | A kind of preparation method of phenylpropyl alcohol-polyester resin | |
| CN102621841B (en) | Preparation method for electropositive magnetic single component developer for laser printer | |
| CN103969975A (en) | Color Matching Agent, Developing Agent And Image Foring Device | |
| CN100437362C (en) | Ching carbon powder for color printer and its preparation method | |
| CN102621836B (en) | Black toner for color electrostatic development and preparation method thereof | |
| CN108732878A (en) | Toner and preparation method thereof, toner cartridge | |
| WO2018188554A1 (en) | Preparation method for positively charged non-magnetic toner | |
| CN102621838A (en) | Toner for double-component development of high-speed electrostatic copying machine | |
| CN109946933A (en) | A kind of preparation method of ink powder | |
| JP6233122B2 (en) | Method for producing toner for electrophotography using polylactic acid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110511 |