CN101993635A - Erasable ink and preparation method thereof - Google Patents
Erasable ink and preparation method thereof Download PDFInfo
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- CN101993635A CN101993635A CN2009101094999A CN200910109499A CN101993635A CN 101993635 A CN101993635 A CN 101993635A CN 2009101094999 A CN2009101094999 A CN 2009101094999A CN 200910109499 A CN200910109499 A CN 200910109499A CN 101993635 A CN101993635 A CN 101993635A
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- butyl methacrylate
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Abstract
The invention discloses erasable ink and preparation method thereof, the ink does not block a pen head, is easy to wipe the ink marks and has better color effect and green environment protection. The ink comprises the following components in percentage by weight: 50 percent-60 percent of micrometer-grade coloring microsphere, 0.5 percent-1 percent of antibacterial agent, 0.3 percent-1 percent of thickening agent and the balance of common tap water or de-ionized water, wherein the micrometer-grade coloring microsphere consists of polymethylmethacrylate or butyl methacrylate coated with pigment or dye, and the grain diameter is between 1 micrometer and 10 micrometers. The ink is better to write and easier to wipe than the pencil without marks, and has the advantages of smooth writing, uniform ink flow, dense and bright color of the ink marks, long time for unbonneting, no pollution and environment protection, waterproof and sunproof written marks and long preservation time and the like.
Description
Technical field
The present invention relates to a kind of microspheric erasable ink and preparation method thereof.
Background technology
At present, common lettering pen printing ink and ink that consumers in general use once writing on the paper, just are difficult to wipe.And the students in middle and primary schools that are in learning phase have to fault is made amendment in order to keep the volume face clean and tidy.Student's correction fluid commonly used and the capable modification of correction exchange premium now; And correction fluid is usually poisonous and pungent odour arranged; Alter and paste difficult just the subsides,, need tear again and paste again, can damage paper if do not post.Add correction fluid film and to alter the color and the paper of paster variant, and have certain thickness, make that the paper after altering seems riddled with gaping wounds, very not attractive in appearance.This is very inconvenient for the student who is in the study.
Printing ink or ink that some have erasable performance have been announced in the prior art.As: Chinese patent CN86100089, CN1590475 and Chinese patent application number are 94108995.9,95115935.6,97121651.7,97107744.4,98126115.9,00114341.7,03124772.5,200710036421.X, 200710130159.5,200810047043.X and 200810205039.1 patent application.Erasable printing ink in the technical scheme of these patent disclosures or ink, or directly pigment or dyestuff as coloured material, after mixing with other components, be distributed to and make printing ink or ink in the medium; Or pigment or dyestuff are simply coated the back as coloured material with rubber or resin, after mixing with other components, be distributed to and make printing ink or ink in the medium.It is all irregular as the pigment of coloured material or the pigment after dye well rubber or the resin-coated or dye granule shape.These disclosed erasability printing ink or ink all exist the printing ink color and luster more shallow, be difficult for cleaning, shortcomings such as dry tolerance is bad, not environmental protection, especially it is all irregular as the pigment of coloured material or dye well pigment or the dye granule shape after with rubber or resin-coated, stops up nib easily.
Summary of the invention
At above-mentioned the deficiencies in the prior art, the present invention aims to provide a kind of not stifled nib, and ink marks is easier to be removed by sassafras, the erasable ink of the environmental protection of color and luster better effects if.Another object of the present invention provides a kind of method for preparing above-mentioned erasable ink.
A kind of erasable ink of the present invention is made up of the composition of following weight percent: the painted microballoon of 50～65% micron order, 0.5～1% antiseptic-germicide, 0.3～1% thickening material and the ordinary tap water or the deionized water of surplus; Wherein, the painted microballoon of micron order is that the polymethylmethacrylate or the butyl methacrylate that are coated with pigment or dyestuff constitute, and its size distribution is 1～10 micron.
Described thickening material is an xanthan gum, and described antiseptic-germicide is a polyquaternium.
Described pigment is water insoluble and only is dissolved in the pigment or the dyestuff of oil, or both water insoluble also be insoluble to oil but can be in oil-based solvent very easily dispersive pigment or dyestuff.Described pigment or dye dosage be monomers methyl methacrylate or butyl methacrylate weight 10%～35%.Described pigment or dyestuff comprise high-visibility pigment or dyestuff.
A kind of method for preparing above-mentioned erasable ink of the present invention may further comprise the steps:
A, take by weighing a certain amount of emulsifying agent, be dissolved in an amount of dispersion medium water, pour in the container, in container, add methyl methacrylate or the butyl methacrylate that is dissolved with initiator and pigment or dyestuff again; Wherein the consumption of emulsifying agent be monomers methyl methacrylate or butyl methacrylate weight 15%～25%; The consumption of methyl methacrylate or butyl methacrylate is 5%～25% of a dispersion medium weight;
B, feeding N
2Remove oxygen, container is placed thermostat water bath, begin to heat up, in entire reaction course, keep at the uniform velocity and stir, after reaching 55～65 ℃, reacted again 6～8 hours;
After c, reaction finish, with the microsphere suspension liquid standing demix of preparation; After treating its standing demix, outwell supernatant liquid, will precipitate mill base with after the clear water dilution, standing demix is waited to wash again, so behind the repetitive scrubbing three times, forms micron-level poly (methyl methacrylate) or butyl methacrylate microballoon slurries;
D, in above-mentioned slurries, add thickening material and antiseptic-germicide again, make it miscible after, ultra-sonic dispersion 10～15 minutes promptly gets the microspheric erasable ink.
Emulsifying agent described in the step a is the emulsifying agent of non-ionic type, anionic, cationic surfactant or negatively charged ion and honionic surfactant mixture.Described emulsifying agent is polyvinylpyrrolidone, polyoxyethylene glycol, OP-10, sodium lauryl sulphate, dodecylbenzene sodium sulfonate, sodium laurylsulfonate, methylcellulose gum, hydroxy propyl cellulose and gelatin.
Clear water described in dispersion medium water described in the step a and the step c is ordinary tap water or deionized water.
Initiator described in the step a is benzoyl peroxide or 2, the 2-Diisopropyl azodicarboxylate.
Erasable ink of the present invention has the same erase function of pencil, and finishes writing wiping well than pencil, leaves no trace; Also have fluent writing, ink flowrate is even, and the ink marks color and luster is dark dense bright-coloured, and the time of raising one's hat is grown and do not pollute and environmental protection; Advantages such as the writing that writes out is water-fast, sun-proof, and the shelf time is long.
Embodiment
A kind of erasable ink of the present invention is made up of the composition of following weight percent: the painted microballoon of 50～65% micron order, 0.5～1% antiseptic-germicide, 0.3～1% thickening material and the ordinary tap water or the deionized water of surplus; Wherein, the painted microballoon of micron order is that the polymethylmethacrylate or the butyl methacrylate that are coated with pigment or dyestuff constitute, and its size distribution is 1～10 micron.
Described thickening material is an xanthan gum, and described antiseptic-germicide is a polyquaternium.
Described pigment or dyestuff be water insoluble and only be dissolved in the pigment or the dyestuff of oil, or both water insoluble also be insoluble to oil but can be in oil-based solvent very easily dispersive pigment or dyestuff.Described pigment or dye dosage be monomers methyl methacrylate or butyl methacrylate weight 10%～35%.Described pigment or dyestuff comprise high-visibility pigment or dyestuff.
Because the colouring component of this ink is a kind of microballoon; This microballoon is to coat pigment or dyestuff constitutes by transparent material polymethylmethacrylate or butyl methacrylate.Very good with the ink flowability that painted microballoon is made, very easily disperse, cohesion can not occur, return phenomenon such as thick, crystallization.Simultaneously, painted microballoon gets up deleterious pigment or coating dye, can prevent that it from leaking, in order to avoid environment is polluted.
A kind of method for preparing above-mentioned erasable ink of the present invention may further comprise the steps:
A, take by weighing a certain amount of emulsifying agent, be dissolved in an amount of dispersion medium water, pour in the container, in container, add methyl methacrylate or the butyl methacrylate that is dissolved with initiator and pigment or dyestuff again; Wherein the consumption of emulsifying agent be monomers methyl methacrylate or butyl methacrylate weight 15%～25%; The consumption of methyl methacrylate or butyl methacrylate is 5%～25% of a dispersion medium weight;
B, feeding N
2Remove oxygen, container is placed thermostat water bath, begin to heat up, in entire reaction course, keep at the uniform velocity and stir, after reaching 55～65 ℃, reacted again 6～8 hours;
After c, reaction finish, with the microsphere suspension liquid standing demix of preparation; After treating its standing demix, outwell supernatant liquid, will precipitate mill base with after the clear water dilution, standing demix is waited to wash again, so behind the repetitive scrubbing three times, forms micron-level poly (methyl methacrylate) or butyl methacrylate microballoon slurries;
D, in above-mentioned slurries, add thickening material and antiseptic-germicide again, make it miscible after, ultra-sonic dispersion 10～15 minutes promptly gets the microspheric erasable ink.
Emulsifying agent described in the step a is the emulsifying agent of non-ionic type, anionic, cationic surfactant or negatively charged ion and honionic surfactant mixture.Described emulsifying agent is polyvinylpyrrolidone, polyoxyethylene glycol, OP-10, sodium lauryl sulphate, dodecylbenzene sodium sulfonate, sodium laurylsulfonate, methylcellulose gum, hydroxy propyl cellulose and gelatin.
Clear water described in dispersion medium water described in the step a and the step c is ordinary tap water or deionized water.
Initiator described in the step a is benzoyl peroxide or 2, the 2-Diisopropyl azodicarboxylate.
Microspheric erasability ink provided by the invention has the following advantages:
1. erasability.The available within a certain period of time common erased by rubber of its writing of writing leaves no trace, and can revise repeatedly.
2. the ink main component is painted microsphere particle, and its size distribution is 1～10 micron, and good fluidity can not stop up nib smoothly by the nib of existing common lettering pen.
3. good stability.The macromolecule resin on painted microsphere particle surface can prevent that small-particle pigment or dyestuff assembly from forming macrobead, has improved the stability of ink internal component, places under the state of raising one's hat and can not dry up, and the China ink that do not overflow can be preserved for a long time.
4. anti-uv-ray is strong.The transparent macromolecule resin polymethylmethacrylate (or butyl methacrylate) on pigment or dyestuff surface can play the effect of stablizing internal component, and good anti-uv-ray is arranged, and makes color keep permanent.
5. has stronger dry resistance.Adopt the ink of microballoon technology preparation non-volatile at normal temperature, non-crystallizable, rate of drying is fast in writing process, so be fit to continuous writing.
6. environment-friendly type.Ink, does not use the deleterious volatile matter of the person as solvent with water, guarantees user's health, is a kind of ink of environment-friendly type.
7. tolerable temperature is-18～65 ℃, is subjected to the outside atmosphere variable effect hardly, and is applied widely.
8. the colouring component of this ink is a kind of microballoon; This microballoon is to coat pigment or dyestuff formation by transparent material polymethylmethacrylate (or butyl methacrylate).According to the difference of pigment or dyestuff, can prepare black, blueness, redness, pink, green, orange, purple and fluorescent blue, fluorescence is pink, fluorescence green, multiple color such as fluorescent orange.
Below in conjunction with embodiment, further describe content of the present invention, but the purpose of these embodiment and do not lie in restriction protection scope of the present invention.
Embodiment 1
Take by weighing the 5g Sodium dodecylbenzene sulfonate, be dissolved in the 300ML water, pour in the container, in container, add 40g again and be dissolved with 0.6g 2, the methyl methacrylate of 2-Diisopropyl azodicarboxylate and 20g solvent blue; In container, feed N
2Remove oxygen, container is placed thermostat water bath, begin to heat up, in entire reaction course, keep at the uniform velocity and stir, after temperature reaches 60 ℃, reacted again 6 hours.After reaction finishes, pour the microsphere suspension liquid of preparation in beaker standing demix.After treating its standing demix, outwell supernatant liquid, will precipitate mill base with after the clear water dilution, standing demix is waited to wash again, so behind the repetitive scrubbing three times, just can form the micron-level poly (methyl methacrylate) micro-sphere slurries; In above-mentioned slurries, add 1g xanthan gum and 0.5g polyquaternium again, make it miscible after, ultra-sonic dispersion 10～15 minutes promptly gets the microspheric erasable ink.
Embodiment 2
Take by weighing the 15g sodium lauryl sulphate, be dissolved in the 1000ML water, pour in the container, in container, add 140g again and be dissolved with 2.8g 2, the butyl methacrylate of 2-Diisopropyl azodicarboxylate and 70g oiliness high-visibility pigment (pink); In container, feed N
2Remove oxygen, container is placed thermostat water bath, begin to heat up, in entire reaction course, keep at the uniform velocity and stir, after temperature reaches 60 ℃, reacted again 6 hours.After reaction finishes, pour the microsphere suspension liquid of preparation in beaker standing demix.After treating its standing demix, outwell supernatant liquid, will precipitate mill base with after the clear water dilution, standing demix is waited to wash again, so behind the repetitive scrubbing three times, just can form micron order poly-n-butyl methacrylate microballoon slurries; In above-mentioned slurries, add 3.5g xanthan gum and 1.5g polyquaternium again, make it miscible after, ultra-sonic dispersion 10～15 minutes promptly gets the microspheric erasable ink.
Claims (9)
1. an erasable ink is characterized in that, it is made up of the composition of following weight percent: the painted microballoon of 50～65% micron order, 0.5～1% antiseptic-germicide, 0.3～1% thickening material and the ordinary tap water or the deionized water of surplus; Wherein, the painted microballoon of micron order is that the polymethylmethacrylate or the butyl methacrylate that are coated with pigment or dyestuff constitute, and its size distribution is 1～10 micron.
2. ink according to claim 1 is characterized in that described thickening material is an xanthan gum, and described antiseptic-germicide is a polyquaternium.
3. ink according to claim 1 is characterized in that, described pigment or dyestuff be water insoluble and only be dissolved in the pigment or the dyestuff of oil, or both water insoluble also be insoluble to oil but can be in oil-based solvent very easily dispersive pigment or dyestuff; The consumption of pigment or dyestuff be monomers methyl methacrylate or butyl methacrylate weight 10%～35%.
4. ink according to claim 3 is characterized in that described pigment or dyestuff comprise high-visibility pigment or dyestuff.
5. method for preparing according to the described ink of claim 1 is characterized in that may further comprise the steps:
A, take by weighing a certain amount of emulsifying agent, be dissolved in an amount of dispersion medium water, pour in the container, in container, add methyl methacrylate or the butyl methacrylate that is dissolved with initiator and pigment or dyestuff again; Wherein the consumption of emulsifying agent be monomers methyl methacrylate or butyl methacrylate weight 15%～25%; The consumption of methyl methacrylate or butyl methacrylate is 5%～25% of a dispersion medium weight;
B, feeding N
2Remove oxygen, container is placed thermostat water bath, begin to heat up, in entire reaction course, keep at the uniform velocity and stir, after reaching 55～65 ℃, reacted again 6～8 hours;
After c, reaction finish, with the microsphere suspension liquid standing demix of preparation; After treating its standing demix, outwell supernatant liquid, will precipitate mill base with after the clear water dilution, standing demix is waited to wash again, so behind the repetitive scrubbing three times, forms micron-level poly (methyl methacrylate) or butyl methacrylate microballoon slurries;
D, in above-mentioned slurries, add thickening material and antiseptic-germicide again, make it miscible after, ultra-sonic dispersion 10～15 minutes promptly gets the microspheric erasable ink.
6. method according to claim 5 is characterized in that, the emulsifying agent described in the step a is the emulsifying agent of non-ionic type, anionic, cationic surfactant or negatively charged ion and honionic surfactant mixture.
7. method according to claim 6, it is characterized in that described emulsifying agent is polyvinylpyrrolidone, polyoxyethylene glycol, OP-10, sodium lauryl sulphate, dodecylbenzene sodium sulfonate, sodium laurylsulfonate, methylcellulose gum, hydroxy propyl cellulose and gelatin.
8. method according to claim 5 is characterized in that, the clear water described in dispersion medium water described in the step a and the step c is ordinary tap water or deionized water.
9. method according to claim 5 is characterized in that, the initiator described in the step a is benzoyl peroxide or 2, the 2-Diisopropyl azodicarboxylate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009101094999A CN101993635A (en) | 2009-08-24 | 2009-08-24 | Erasable ink and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101094999A CN101993635A (en) | 2009-08-24 | 2009-08-24 | Erasable ink and preparation method thereof |
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| CN101993635A true CN101993635A (en) | 2011-03-30 |
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| CN2009101094999A Pending CN101993635A (en) | 2009-08-24 | 2009-08-24 | Erasable ink and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382504A (en) * | 2011-10-18 | 2012-03-21 | 中国印刷科学技术研究所 | Aqueous UV (ultraviolet) printing ink dispersed by utilizing vermiculate micelle system and preparation method thereof |
| CN105462359A (en) * | 2016-01-29 | 2016-04-06 | 刘睿璇 | Preparation method of water-based colored fluorescent ink |
| CN105504988A (en) * | 2016-01-29 | 2016-04-20 | 姜璎洛 | Preparation method for color fluorescent ink |
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| CN1456613A (en) * | 2003-05-13 | 2003-11-19 | 唐二军 | One-step microsuspension powdered coating manufacturing method |
| CN101186657A (en) * | 2007-12-28 | 2008-05-28 | 北京交通大学 | Method for synthesizing microspheres for electronic paper by titanium dioxide or dye embedding method and application of microspheres for electronic paper in medium with low dielectric constant |
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2009
- 2009-08-24 CN CN2009101094999A patent/CN101993635A/en active Pending
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| CN1456613A (en) * | 2003-05-13 | 2003-11-19 | 唐二军 | One-step microsuspension powdered coating manufacturing method |
| CN101186657A (en) * | 2007-12-28 | 2008-05-28 | 北京交通大学 | Method for synthesizing microspheres for electronic paper by titanium dioxide or dye embedding method and application of microspheres for electronic paper in medium with low dielectric constant |
| CN101451037A (en) * | 2008-12-30 | 2009-06-10 | 上海乐美文具有限公司 | Erasable neutral ink and method for producing the same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382504A (en) * | 2011-10-18 | 2012-03-21 | 中国印刷科学技术研究所 | Aqueous UV (ultraviolet) printing ink dispersed by utilizing vermiculate micelle system and preparation method thereof |
| CN105462359A (en) * | 2016-01-29 | 2016-04-06 | 刘睿璇 | Preparation method of water-based colored fluorescent ink |
| CN105504988A (en) * | 2016-01-29 | 2016-04-20 | 姜璎洛 | Preparation method for color fluorescent ink |
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Application publication date: 20110330 |