CN101007916A - Color-changing oil ink - Google Patents
Color-changing oil ink Download PDFInfo
- Publication number
- CN101007916A CN101007916A CN 200610070694 CN200610070694A CN101007916A CN 101007916 A CN101007916 A CN 101007916A CN 200610070694 CN200610070694 CN 200610070694 CN 200610070694 A CN200610070694 A CN 200610070694A CN 101007916 A CN101007916 A CN 101007916A
- Authority
- CN
- China
- Prior art keywords
- color
- ink
- color shifting
- agent
- color changing
- 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
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention relates to a color changing ink, comprising color changing agent, color-developing agent, glycerin, alcohol, sodium nitrite and clwan water. Said color changing agent comprises thymolphthalein and fenolftaleina, thymolphthalein is used for blue ink, the color changin domain is from 9.3- 10.5, and can change from colorless to blue; fenolftaleina is used for red ink, the color changing domain is from 8.2 to 10, and can change from colorless to red. The color-developing agent is calcium hydroxide, which can disslove into glycerin, and is used for pH moderation. The glycerin is used as solvent and shaping agent, can disslove in water at any ratio, and the coagulating point is quite low. Said alcohol is used as assisting solvent, and nitrite sodium is used as protecting agent. The preparing process comprises stirring produced mixing liquid, stewing in colsed container for 2 to 3 days, and the supernatant can be used as said color changing ink. The invention belongs to student article, and can be widely used for student writing practice, which can save a large amount of paper.
Description
Technical field:
The present invention relates to writing ink, relate in particular to a kind of color shifting ink.
Background technology:
The color shifting ink of prior art is mainly used in anti-counterfeiting technology.U.S. Pat 5084351 and Chinese patent ZL02806457.7 disclose the application at ink area of the optical color variable pigment that adopts the preparation of physical vapor method and relevant pigment.But the research of prior art mainly all is the application of optically variable pigments in false proof field, is utilizing pigment variable color and disappearance in the certain hour section, to guarantee the recycling aspect of writing paper, still lacks research at present.Especially the people who writes for exercise because the paper of writing once can not be reused, needs to use paper in a large number, is very big economical load, also is the very big wasting of resources.
Summary of the invention:
The objective of the invention is to, overcome the deficiencies in the prior art part, a kind of color shifting ink is provided, can make writing variable color or disappearance in the regular hour section as required, make writing paper can accomplish recycling, both alleviated user's economical load, reduce the wasting of resources again preferably.
Color shifting ink of the present invention, including colour-changing agent, developer, glycerine, ethanol, Sodium Nitrite and clear water forms, said colour-changing agent includes thymolphthalein and phenolphthalein, said thymolphthalein is used for blue ink, its transition interval is 9.3 to 10.5, can be by colourless to blue any conversion.Said phenolphthalein is used for red ink, and its transition interval is 8.2 to 10, can be by colourless to red any conversion.Said developer is a calcium hydroxide, can be dissolved in the glycerine, in the present invention as regulating pH value.Said glycerine, in the present invention as solvent and vehicle, can be with water arbitrarily than miscible, and zero pour is very low.Said ethanol is in the present invention as solubility promoter.Said Sodium Nitrite is in the present invention as protective material.
Make the color shifting ink of redness of the present invention, glycerine be total amount 71%, phenolphthalein is 2%, calcium hydroxide 1.5-4%, ethanol 5% and Sodium Nitrite 0.1%, all the other are clear water.Make the color shifting ink of blueness of the present invention, glycerine be total amount 71%, thymolphthalein is 2%, calcium hydroxide 1.5-4%, ethanol are 5% and Sodium Nitrite 0.1%, all the other are clear water.Writing extinction time as required and deciding is transferred more than the pH value to 11.If the pH value of mixed solution was transferred to 11 o'clock, the achromic period of writing is 10 minutes; If the pH value of mixed solution was transferred to 13 o'clock, the achromic period of writing is about 1 hour.The mixed solution of making stirs, and puts into encloses container and leaves standstill 2 to 3 days, and supernatant liquor promptly can be used as color shifting ink of the present invention, uses in the pen core of packing into.
The preparation of alkalescence colour developing liquid: water intaking and each five equilibrium of glycerine, be made into 1: 1 mixed solution of volume ratio, add calcium hydroxide to saturated, inject in the vertical cavernous body of pen, tighten the cap for brush and get final product.
The procrypsis of described printing ink with the colour developing principle be, colour-changing agent used in the present invention is the common chemical indicator, the pH value of printing ink transfer to 11 promptly the colour developing.When writing on the paper, the calcium hydroxide in the printing ink promptly with the carbon dioxide in air react with, generate lime carbonate, the environment alkalescence of writing is weakened, the indicator in the writing becomes colorless, writing disappears.Wipe the paper that word was write in examination with alkali lye, writing surrounding environment alkalescence strengthens, the writing colour developing.Color shifting ink of the present invention goes for the signature pen perfusion of prior art and uses, if use supporting signature pen or ballpoint pen, effect can be better.
Color shifting ink of the present invention, belong to students' supplies, can make the printing ink of writing with blue and red, writing can disappear in the certain hour section automatically, exercise, mathematics calculation, geometric drafting of student's Chinese character and foreign language word or the like can be widely used in, a large amount of paper can be saved.
Embodiment:
Now in conjunction with the embodiments, color shifting ink of the present invention is described in detail as follows: color shifting ink of the present invention, including colour-changing agent, developer, glycerine, ethanol, Sodium Nitrite and clear water forms, said colour-changing agent includes thymolphthalein and phenolphthalein, said thymolphthalein is used for blue ink, its transition interval is 9.3 to 10.5, can be by colourless to blue any conversion.Said phenolphthalein is used for red ink, and its transition interval is 8.2 to 10, can be by colourless to red any conversion.Said developer is a calcium hydroxide, can be dissolved in the glycerine, in the present invention as regulating pH value.Said glycerine, in the present invention as solvent and vehicle, can be with water arbitrarily than miscible, and zero pour is very low.Said ethanol adopts 98% ethanol, in the present invention as solubility promoter.Said Sodium Nitrite is in the present invention as protective material.
Make 100 milliliters of the color shifting inks of redness of the present invention, need with 71 milliliters of glycerine, phenolphthalein 2 grams, calcium hydroxide 1.5 to 4 grams, 5 milliliters of 98% ethanol and Sodium Nitrite 0.1 gram, all the other are clear water.Make 100 milliliters of the color shifting inks of blueness of the present invention, need with 71 milliliters of glycerine, thymolphthalein 2 grams, calcium hydroxide 1.5 to 4 grams, 5 milliliters of 98% ethanol and Sodium Nitrite 0.1 gram, all the other are clear water.To make blue color shifting ink is example:
Be equipped with 71 milliliters of glycerine, 20 milliliters in clear water, stir.Add calcium hydroxide 1.5 to 4 grams, writing extinction time as required and decide is more than the accent pH value to 11.If the pH value of mixed solution was transferred to 11 o'clock, the achromic period of writing is 10 minutes; If the pH value of mixed solution was transferred to 13 o'clock, the achromic period of writing is about 1 hour.Add 5 milliliters of Sodium Nitrite 0.1 gram and 98% ethanol, stir.Get thymolphthalein 2 grams and put into mortar, add partially mixed liquid and stirred 3 minutes as the ball formula of grinding, the mixed solution that adds other again stirs, and puts into encloses container and leaves standstill 2 to 3 days, supernatant liquor promptly can be used as color shifting ink of the present invention, uses in the pen core of packing into.
The preparation of alkalescence colour developing liquid: water intaking and each five equilibrium of glycerine, be made into 1: 1 mixed solution of volume ratio, add calcium hydroxide to saturated, inject in the vertical cavernous body of pen, tighten the cap for brush and get final product.
The procrypsis of described printing ink with the colour developing principle be, colour-changing agent used in the present invention is the common chemical indicator, the pH value of printing ink transfer to 11 promptly the colour developing.When writing on the paper, the calcium hydroxide in the printing ink promptly with the carbon dioxide in air react with, generate lime carbonate, the environment alkalescence of writing is weakened, the indicator in the writing becomes colorless, writing disappears.Wipe the paper that word was write in examination with alkali lye, writing surrounding environment alkalescence strengthens, the writing colour developing.Color shifting ink of the present invention goes for the signature pen perfusion of prior art and uses, if use supporting signature pen or ballpoint pen, effect can be better.
Color shifting ink of the present invention, belong to students' supplies, can make the printing ink of writing with blue and red, writing can disappear in the certain hour section automatically, exercise, mathematics calculation, geometric drafting of student's Chinese character and foreign language word or the like can be widely used in, a large amount of paper can be saved.
Claims (4)
1, a kind of color shifting ink; it is characterized in that the colour-changing agent that is used for blue ink comprises thymolphthalein; its transition interval is 9.3 to 10.5; can be by colourless to blue any conversion; developer is a calcium hydroxide; solvent and vehicle are glycerine, and solubility promoter is 98% ethanol, and protective material is a Sodium Nitrite.
2, color shifting ink according to claim 1; it is characterized in that the colour-changing agent that is used for red ink comprises phenolphthalein; its transition interval is 8.2 to 10; can be by colourless to red any conversion; developer is a calcium hydroxide; solvent and vehicle are glycerine, and solubility promoter is 98% ethanol, and protective material is a Sodium Nitrite.
3, color shifting ink according to claim 1 is characterized in that blue color shifting ink, glycerine be total amount 71%, thymolphthalein is 2%, calcium hydroxide 1.5-4%, ethanol are 5% and Sodium Nitrite 0.1%, all the other are clear water.
4, color shifting ink according to claim 1 is characterized in that red color shifting ink, glycerine be total amount 71%, phenolphthalein is 2%, calcium hydroxide 1.5-4%, ethanol 5% and Sodium Nitrite 0.1%, all the other are clear water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610070694 CN101007916A (en) | 2006-12-09 | 2006-12-09 | Color-changing oil ink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610070694 CN101007916A (en) | 2006-12-09 | 2006-12-09 | Color-changing oil ink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101007916A true CN101007916A (en) | 2007-08-01 |
Family
ID=38696589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610070694 Pending CN101007916A (en) | 2006-12-09 | 2006-12-09 | Color-changing oil ink |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101007916A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013007135A1 (en) * | 2011-07-14 | 2013-01-17 | 宁波绿拓新材料有限公司 | Easily erasable hydrolytic fading ink and preparation method thereof |
| CN104341859A (en) * | 2013-07-31 | 2015-02-11 | 李锦明 | Skin marker ink |
| CN107384004A (en) * | 2017-07-20 | 2017-11-24 | 深圳市爱丽客精细化工有限公司 | A kind of pigment of changeable colour |
-
2006
- 2006-12-09 CN CN 200610070694 patent/CN101007916A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013007135A1 (en) * | 2011-07-14 | 2013-01-17 | 宁波绿拓新材料有限公司 | Easily erasable hydrolytic fading ink and preparation method thereof |
| CN104341859A (en) * | 2013-07-31 | 2015-02-11 | 李锦明 | Skin marker ink |
| CN107384004A (en) * | 2017-07-20 | 2017-11-24 | 深圳市爱丽客精细化工有限公司 | A kind of pigment of changeable colour |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0323984A (en) | Printed matter | |
| CN101007916A (en) | Color-changing oil ink | |
| CN109627847A (en) | A kind of red ink and its decolourant that can repeatedly develop the color | |
| JPS6225712B2 (en) | ||
| TW200626684A (en) | Black ink composition for aqueous ballpoint pen and aqueous ballpoint pen | |
| CN101412866A (en) | Neutral fading ink refill | |
| CN102002284B (en) | Photosensitized oxidation delible ink composite | |
| US4188431A (en) | Latent image printing and development | |
| US4198445A (en) | Latent image printing and development | |
| CN101987934A (en) | Environmentally-friendly seal ink | |
| CN100355844C (en) | Handwriting eliminable gel ink pen ink | |
| JP4754719B2 (en) | Decolorizable water-based ink | |
| JPH05271602A (en) | Water-based ink for writing utensil | |
| CN104530825A (en) | Plant-derived quick-drying ink for ball point pens | |
| CN2614921Y (en) | Hidden colour changing writing appliance | |
| CN108329754A (en) | A kind of ink for disappearance of fading and preparation method thereof, containing its pen | |
| CN203110603U (en) | Erasable and fadable hydrolysis pen | |
| CN102533006A (en) | High-melting-point solid highlighter | |
| CN201511663U (en) | Temperature-change writing anti-counterfeit pen | |
| CN102964923B (en) | Ink capable of developing on acid paper and preparation method thereof | |
| CN2721409Y (en) | Multi-core color pen | |
| CN110194011A (en) | A kind of pen core with quantity of ink prompt facility | |
| KR910000865B1 (en) | Composition of ink | |
| CN103205164A (en) | Light-resistant ink for gel-ink pen | |
| JPH0543514B2 (en) |
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 |