CN1887982A - Waterproof neutral ink with nanometer level pigment and its prepn - Google Patents
Waterproof neutral ink with nanometer level pigment and its prepn Download PDFInfo
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- CN1887982A CN1887982A CN 200610088373 CN200610088373A CN1887982A CN 1887982 A CN1887982 A CN 1887982A CN 200610088373 CN200610088373 CN 200610088373 CN 200610088373 A CN200610088373 A CN 200610088373A CN 1887982 A CN1887982 A CN 1887982A
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Abstract
The waterproof neutral ink with nanometer level pigment consists of nanometer level material liquid 40 wt%, thickener 40-50 wt% and diluent 10-20 wt%, and has average size of 100-200 nm. The preparation process includes the following steps: setting the nanometer level material liquid in the compounding pot, adding the diluent while stirring, and stirring for further 30-90 min, adding the thickener, stirring for further 1-3 hr, and discharging. The neutral ink has bright color, stable quality, writing fluency and other advantages, and may be filled into different kinds of pens.
Description
Technical field
The present invention relates to the gel ink pen ink, relate in particular to a kind of nano-level pigment waterproof type gel ink pen ink and manufacture method thereof, belong to the ink technology field.
Background technology
The high-grade special pens ink of being on sale throughout on the domestic and international market is changed to pigment style by dye-type at present.A kind of nano-level pigment gel ink pen ink is compared with dye-type, can effectively solve problems such as the water that fades, spreads and sinks in, but the pigment style gel ink pen ink that common production technique, prescription are produced, because of particle size big, and influence its perviousness, prolonged time of drying, and plug can occur, break, go out China ink phenomenon such as inhomogeneous.
Pigment ink is scattered in the working medium with the pigment minuteness particle and makes it painted, the ideal dispersion system should have the colo(u)rant dispersion state of " once (elementary) particle ", the nanometer of primary pigment particle can make the quality of ink product and result of use improve greatly, but along with diminishing of particle, specific surface area will be multiplied, Van der Waals force will become big between the particle, very easily produce cohesion between particle, cause in the process of depositing dispersion stabilization poor, produce aggegation, layering appears, separate, precipitation iso-metamorphism phenomenon, general technical recipe and equipment are difficult to make the paint ink system to reach the primary particle nanometer and make it demonstrate good dispersion stabilization.Moreover, the stability of viscosity is another important techniques problem, the big young pathbreaker of product viscosity directly influences the result of use of gel ink pen, viscosity is bigger than normal, and it is little to use black quantitative change, causes broken string or writes not smooth, viscosity is less than normal, the ink leak phenomenon can occur, influence writing effect, moderate stable viscosity number is an important indicator of gel ink pen ink.So, produce desirable high quality nanometer level pigment waterproof type gel ink pen ink, in preparation, must capture above technical barrier.
Summary of the invention
The purpose of this invention is to provide a kind of nano-level pigment waterproof type gel ink pen ink and manufacture method, " pigment nanometer---the superfine grinding " technology of employing and " scientific formula ", the granularity of effective solution gel ink pen ink granules of pigments and ink viscosity, stability problem, overcome layering, separation, precipitation iso-metamorphism phenomenon that the ink long-term storage occurs, significantly improve the quality stability of ink.Be widely used in metal balls nib, the polypropylene shaft of a writing brush and mould the written unitor of system etc.
Purpose of the present invention is achieved through the following technical solutions:
A kind of nano-level pigment waterproof type gel ink pen ink is characterized in that its component has following weight percent: nano level stoste 40%, thickening material 40～50%, thinner 10～20%.
Further, above-mentioned nano-level pigment waterproof type gel ink pen ink, the prescription of described nano level stoste has following weight percent: pigment 15%, solvent 8～15%, dispersion agent 1.5～4.5%, resin 3～20%, deionized water 45.5～72.5%; Described pigment is a kind of in red, blue, black three base colors of pigment, and solvent is an ethylene glycol, and dispersion agent is many anchors of the non-ionic type multichain high molecular polymer in the hyper-dispersant, and resin is that acrylic resin, its molecular weight are 10000～50000; The pigment median size of described nano level stoste is 100～200 nanometers.
Again further, above-mentioned nano-level pigment waterproof type gel ink pen ink, the prescription of described thickening material has following weight percent: rubber powder 0.20～0.45%, solvent 8～10%, wetting Agent for Printing Inks 8～10%, sterilant 0.2%, deionized water 79.35～83.6%; Rubber powder is acrylic resin or xanthan gum, and solvent is ethylene glycol or glycerol, and wetting Agent for Printing Inks is polyoxyethylene glycol or glycol ethers.
Again further, above-mentioned nano-level pigment waterproof type gel ink pen ink, the prescription of described thinner has following weight percent: solvent 20～25%, wetting Agent for Printing Inks 10～15%, tensio-active agent 2～5%, sterilant 0.2%, rust-preventive agent 0.2%, deionized water 54.6～67.6%; Solvent is ethylene glycol or glycerol, and wetting Agent for Printing Inks is polyoxyethylene glycol or glycol ethers, and tensio-active agent is a nonionic agent.
Further, the manufacture method of above-mentioned nano-level pigment waterproof type gel ink pen ink, it is characterized in that: nano level stoste is added in the allotment pot earlier, under whipped state, add thinner then, continue to stir 30～90 minutes, add thickening material again, continue to stir 1～3 hour, stop to stir discharging.
The outstanding substantive distinguishing features and the obvious improvement of technical solution of the present invention is mainly reflected in:
1. adopt " pigment particles nanometer---superfine grinding " technology, make the pigment particles particle diameter reach 100～200 nanometers, method is easy, and technology is reasonable.
2. the ink concocting method that has used section to emulate the advanced makes ink have good dispersion stabilization, and keeps moderate viscosity.
3. ink pigment particles fineness is even, finished fluid lovely luster, sun-proof, water-repellancy extra-heavy; Go out China ink evenly, fluent writing, the long-term storage steady quality, layering, separation, precipitation iso-metamorphism phenomenon can not appear.
4. the ink normal temperature time of raising one's hat of this invention was more than 30 days.
5. nontoxicity, production and the feature of environmental protection safe in utilization are superior, can be widely used in metal balls nib, the polypropylene shaft of a writing brush and mould the written unitor of system etc.
Embodiment:
The manufacturing prescription of nano-level pigment waterproof type gel ink pen ink: nano level stoste 40%, thickening material 40～50%, thinner 10～20%.
The component of nano level stoste has following weight percent: pigment 15%, solvent 8～15%, dispersion agent 1.5～4.5%, resin 3～20%, deionized water 45.5～72.5%; Described pigment adopts wherein a kind of of three base colors of pigment red (PR112), blue (PB15:3), black (MA11), solvent is an ethylene glycol, dispersion agent is many anchors of the non-ionic type multichain high molecular polymer in the hyper-dispersant, and resin is that acrylic resin, its molecular weight are 10000～50000.The manufacture method of nano level stoste is: earlier deionized water is added in the pre-dispersed pot, stirring down, adding solvent, dispersion agent, resin mix, even up to whole dissolvings, under agitation add pigment at last, fully mix, carried out superfine grinding then 2～8 hours, the granularity that makes granules of pigments is D
50=100～200 nanometers stop to grind discharging.
The component of thickening material has following weight percent: rubber powder 0.20～0.45%, solvent 8～10%, wetting Agent for Printing Inks 8～10%, sterilant 0.2%, deionized water 79.35～83.6%; Rubber powder is acrylic resin or xanthan gum, and solvent is ethylene glycol or glycerol, and wetting Agent for Printing Inks is polyoxyethylene glycol or glycol ethers.The manufacture method of thickening material is: deionized water added in the pre-dispersed pot earlier, stirs and add rubber powder, solvent, wetting Agent for Printing Inks, sterilant down, mix up to whole dissolvings evenly, stop to stir, and standby.
The component of thinner has following weight percent: solvent 20～25%, wetting Agent for Printing Inks 10～15%, tensio-active agent 2～5%, sterilant 0.2%, rust-preventive agent 0.2%, deionized water 54.6～67.6%; Solvent is ethylene glycol or glycerol, and wetting Agent for Printing Inks is polyoxyethylene glycol or glycol ethers, and tensio-active agent is a nonionic agent.The manufacture method of thinner is: deionized water is added in the pre-dispersed pot earlier, adding solvent, wetting Agent for Printing Inks, tensio-active agent, sterilant, rust-preventive agent fully mix under stirring, and is even up to whole dissolvings, stops to stir, standby.
The manufacturing process of nano-level pigment waterproof type gel ink pen ink: earlier nano level stoste is added in the allotment pot, under whipped state, add thinner then, continue to stir 30～90 minutes, add thickening material again, continue to stir 1～3 hour, stop to stir discharging.
Embodiment is as follows:
| Composition | Embodiment one | Embodiment two | Embodiment three |
| Nano level stoste | 40 | 40 | 40 |
| Thickening material | 40 | 45 | 50 |
| Thinner | 20 | 15 | 10 |
Below only provide three embodiment with black nano level stoste, and basic identical with blue/red its implementation condition of nano level stoste, no longer repeat.
After testing, the various inks that adopt technical solution of the present invention to obtain, its Main physical performance index see Table 1.
Table 1
| The finished fluid color | Black | Red | Blue |
| Granularity (nm) D50 | 100～200 | 100～200 | 100～200 |
| Viscosity (cps) | 1200～1400 | 1200～1400 | 1200～1400 |
| Current potential (mv) | -30～-45 | -30～-45 | -30～-45 |
| Surface tension (d/cm) | 30～40 | 30～40 | 30～40 |
| PH value | 7.7～9.0 | 7.7～9.0 | 7.7～9.0 |
| Time of drying (paper) | ＜5s | ＜5s | ＜5s |
| Water-repellancy | Fabulous | Fabulous | Fabulous |
| Imbibition | Do not have | Do not have | Do not have |
| Light permanency | Fabulous | Fabulous | Fabulous |
The present invention adopts the superfine grinding technology, and granules of pigments is nano-milled to median size D by original 5000
50=100～200 nanometers have broken through the granularity control problem of pigment style gel ink pen ink, and the stoste system can be avoided the cohesion (Van der Waals force) between nano particle well, and the even particle size distribution of ink system granules of pigments, and ink system is in equilibrium state.With the current potential of many anchors of non-ionic type multichain type high molecular polymer, guarantee that potential value within-30～-45 millivolts of scopes, makes ink system be in good steady state in the prescription of the present invention as dispersion agent, adjustment ink system.The ink concocting method that has used section to emulate the advanced adopts unique thickening material, thinner in the finished product allotment, the viscosity of ink system is guaranteed at 1200～1400cps, keeps constant product quality; Effectively prolong storage time, obviously improved quality product.
The stability test of ink is that the check ink guarantees the stay-in-grade ability within a certain period of time, and the ink of the embodiment of the invention was preserved 30 days at 50 ℃, and its granularity, viscosity, pH value remain unchanged substantially; Ink was stored 1 year at normal temperatures, and layering, separation, precipitation iso-metamorphism phenomenon do not appear in ink; Stability of ink is superior.Ink of the present invention is smoothly by EN-71 and ASTMD-4236 authentication.
More than specifically described the application example of technical solution of the present invention, they only provide as an example, are not considered as application limitations of the present invention.All operational conditions be equal to replacement, all drop within protection scope of the present invention.
Claims (8)
1. nano-level pigment waterproof type gel ink pen ink is characterized in that its component has following weight percent: nano level stoste 40%, thickening material 40～50%, thinner 10～20%.
2. nano-level pigment waterproof type gel ink pen ink according to claim 1, it is characterized in that: the prescription of nano level stoste has following weight percent: pigment 15%, solvent 8～15%, dispersion agent 1.5～4.5%, resin 3～20%, deionized water 45.5～72.5%; The pigment median size of described nano level stoste is 100～200 nanometers.
3. nano-level pigment waterproof type gel ink pen ink according to claim 2, it is characterized in that: described pigment is a kind of in red, blue, black three base colors of pigment, solvent is an ethylene glycol, dispersion agent is many anchors of the non-ionic type multichain high molecular polymer in the hyper-dispersant, and resin is that acrylic resin, its molecular weight are 10000～50000.
4. nano-level pigment waterproof type gel ink pen ink according to claim 1, it is characterized in that: the prescription of thickening material has following weight percent: rubber powder 0.20～0.45%, solvent 8～10%, wetting Agent for Printing Inks 8～10%, sterilant 0.2%, deionized water 79.35～83.6%.
5. nano-level pigment waterproof type gel ink pen ink according to claim 4, it is characterized in that: described rubber powder is acrylic resin or xanthan gum, and solvent is ethylene glycol or glycerol, and wetting Agent for Printing Inks is polyoxyethylene glycol or glycol ethers.
6. nano-level pigment waterproof type gel ink pen ink according to claim 1, it is characterized in that: the prescription of thinner has following weight percent: solvent 20～25%, wetting Agent for Printing Inks 10～15%, tensio-active agent 2～5%, sterilant 0.2%, rust-preventive agent 0.2%, deionized water 54.6～67.6%.
7. nano-level pigment waterproof type gel ink pen ink according to claim 6, it is characterized in that: described solvent is ethylene glycol or glycerol, and wetting Agent for Printing Inks is polyoxyethylene glycol or glycol ethers, and tensio-active agent is a nonionic agent.
8. the manufacture method of the described nano-level pigment waterproof type of claim 1 gel ink pen ink, it is characterized in that: nano level stoste is added in the allotment pot earlier, under whipped state, add thinner then, continue to stir 30～90 minutes, add thickening material again, continue to stir 1～3 hour, stop to stir discharging.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610088373 CN1887982A (en) | 2006-07-14 | 2006-07-14 | Waterproof neutral ink with nanometer level pigment and its prepn |
| CN 200710102720 CN101050327A (en) | 2006-07-14 | 2007-04-21 | Waterproof type neutral ink with pigment in Nano level for pen, and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610088373 CN1887982A (en) | 2006-07-14 | 2006-07-14 | Waterproof neutral ink with nanometer level pigment and its prepn |
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| Publication Number | Publication Date |
|---|---|
| CN1887982A true CN1887982A (en) | 2007-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200610088373 Pending CN1887982A (en) | 2006-07-14 | 2006-07-14 | Waterproof neutral ink with nanometer level pigment and its prepn |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928488A (en) * | 2010-08-20 | 2010-12-29 | 北京联创佳艺影像新材料技术有限公司 | Weak solvent pigment ink |
| WO2021142937A1 (en) * | 2019-12-31 | 2021-07-22 | 苏州雄鹰笔墨科技有限公司 | High-stability emulsified ink |
| CN114316677A (en) * | 2022-01-19 | 2022-04-12 | 无锡硕谷石墨烯新材料有限公司 | High-moisture-retention water-resistant direct-liquid type water-based ink |
-
2006
- 2006-07-14 CN CN 200610088373 patent/CN1887982A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928488A (en) * | 2010-08-20 | 2010-12-29 | 北京联创佳艺影像新材料技术有限公司 | Weak solvent pigment ink |
| WO2021142937A1 (en) * | 2019-12-31 | 2021-07-22 | 苏州雄鹰笔墨科技有限公司 | High-stability emulsified ink |
| CN114316677A (en) * | 2022-01-19 | 2022-04-12 | 无锡硕谷石墨烯新材料有限公司 | High-moisture-retention water-resistant direct-liquid type water-based ink |
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