CN104875544A - Color development material and preparation method - Google Patents
Color development material and preparation method Download PDFInfo
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- CN104875544A CN104875544A CN201410069963.7A CN201410069963A CN104875544A CN 104875544 A CN104875544 A CN 104875544A CN 201410069963 A CN201410069963 A CN 201410069963A CN 104875544 A CN104875544 A CN 104875544A
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Abstract
The invention discloses a color development material and a preparation method. The color development material comprises a substrate and a color development layer arranged on the substrate, and the color development layer comprises at least one indicator and at least one developer, the developer can make the indicator express a first color in a dry state and can make the indicator express a second color in a wet state. Through the above way, the color development material is advantaged in that the color development material is high in safety and can be reused, and therefore the waste of materials can be avoided.
Description
Technical field
The present invention relates to and can reuse field of material technology, particularly relate to a kind of colour development material and preparation method.
Background technology
Children often like careless drawing, usually carry out coating and drawing at random on a sheet of paper.After paper was drawn, just cannot again be utilized, the paper abandoned by scribbling causes huge waste usually.
Variable color paper of the prior art, the variable color paper such as adopting NCR technology to manufacture, can be used for children to draw at any time; Or, some paper that can reuse after scribbling are coated with more chemical substance, as phenolic aldehyde, salicylic acid etc.
Although above-mentioned paper of the prior art can be reused, in use, easily hidden danger is caused to children.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of colour development material, has security high and can reusable feature, thus can avoid the waste of material.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of colour development material, described colour development material comprises basic unit and is carried on the color layer in described basic unit, and described color layer comprises at least one indicator and at least one can make described indicator present the first color in the dry state and under moisture state, make described indicator present the developer of the second color.
Wherein, described indicator is acid-base indicator or oxidation-reduction indicator.
Wherein, described acid-base indicator is at least one in phenol phthalein indicator, riodoxol phthalein indicator, nitropheneol indicator or azo-compound class indicator.
Wherein, described phenol phthalein indicator is at least one in phenolphthalein, thymolphthalein or alphanaphthol phthalein, described riodoxol phthalein indicator is at least one in phenol red, cresol red, bromophenol blue or thymol blue, and described azo-compound class indicator is at least one in methyl orange, dimethyl diaminophenazine chloride, methyl red, reindeer moss, starch.
Wherein, described indicator be phenolphthalein or thymolphthalein time, described developer is alkaline matter.
Wherein, described alkaline matter is sodium carbonate, calcium hydroxide or NaOH.
Wherein, described indicator and described developer are arranged in described color layer in powder form.
Wherein, the mass ratio of described indicator and described developer is 1:1-100.
Wherein, described color layer also comprises the inert powder of the consumption for reducing described indicator and/or described developer, and described inert powder and described indicator and described developer chemical reaction do not occur.
Wherein, the mass ratio of described indicator, described developer and inert powder is 1:0.1-10:1-1000.
Wherein, described color layer comprises the first sublayer and the second sublayer, described second sublayer is arranged on described first sublayer, described second sublayer comprises multiple microcapsules, one in wherein said indicator and described developer is arranged at described first sublayer in powder form, and the another one in described indicator and described developer is wrapped in the described microcapsules of described second sublayer in the form of a solution, or described indicator and described developer are arranged at described first sublayer all in powder form, and the solvent be enclosed with in the described microcapsules of described second sublayer for dissolving described indicator or described developer.
Wherein, described colour development material also comprises protective layer, and described protective layer is arranged on described second sublayer.
For solving the problems of the technologies described above, another technical solution used in the present invention is: the preparation method providing a kind of colour development material, and described method comprises: provide basic unit; Described basic unit is formed a color layer, and described color layer comprises at least one indicator and at least one can make described indicator present the first color in the dry state and under moisture state, make described indicator present the developer of the second color.
Wherein, the described step forming a color layer in described basic unit comprises: described indicator and described developer are arranged in described color layer in powder form.
The described step forming a color layer in described basic unit comprises: the first sublayer one in described indicator and described developer being arranged in powder form described color layer, and the another one in described indicator and described developer is wrapped in the microcapsules of the second sublayer of described color layer in the form of a solution, or described indicator and described developer are arranged at described first sublayer all in powder form, and the solvent being used for dissolving described indicator or described developer are wrapped in the described microcapsules of described second sublayer.
The invention has the beneficial effects as follows: the situation being different from prior art, the indicator that the color layer of colour development material of the present invention comprises and developer are all the conventional chemical substances used, thus this colour development material security is high, make indicator present the first color in the dry state and under moisture state, make indicator present the second color, colour development material has two kinds of different colors under two kinds of different states, in this way, make colour development material have reusable feature, thus the waste of material can be avoided.
Accompanying drawing explanation
Fig. 1 is the structural representation of colour development material one embodiment of the present invention;
Fig. 2 is the structural representation of another embodiment of colour development material of the present invention;
Fig. 3 is the structural representation of the another embodiment of colour development material of the present invention;
Fig. 4 is the flow chart of preparation method one embodiment of colour development material of the present invention.
Detailed description of the invention
Below in conjunction with drawings and embodiments, the present invention is described in detail.
Consult Fig. 1, Fig. 1 is the structural representation of colour development material one embodiment of the present invention, this colour development material comprises: basic unit 11 and the color layer 12 be carried in basic unit 11, color layer 12 comprises at least one indicator and at least one can make indicator present the first color in the dry state and under moisture state, make indicator present the developer of the second color.
Carrying effect mainly plays in basic unit 11, carrying color layer 12.Basic unit 11 is a slim soft material.Described basic unit 11 can be at least one in paper, non-woven fabrics, dust-free paper, can certainly be other thin materials, as cloth etc., as long as basic unit 11 material has some strength, carrying color layer 12, when basic unit 11 material is paper material, the paper material that this paper material can be made for cellulosic pulp fiber wet papermaking method, certainly, filler or coating can be used in described paper material, to increase glossiness and the color developing effect of paper.
Color layer 12 can show two kinds of different colours respectively under two kinds of different conditions.It comprises indicator and developer, indicator be a class within the scope of its specific pH value, with solution pH value change and the compound of variable color, normally organic monoacid or organic weak base.Developer can make indicator present the first color in the dry state, and under moisture state, make indicator present the second color.Difference between first color and the second color is macroscopic.
Described indicator can be acid-base indicator, one in oxidation-reduction indicator, described acid-base indicator is phenol phthalein indicator, riodoxol phthalein indicator, one in nitropheneol indicator or azo-compound class indicator, be more specifically: described phenol phthalein indicator is phenolphthalein, at least one in thymolphthalein or alphanaphthol phthalein, described riodoxol phthalein indicator is phenol red, cresol red, at least one in bromophenol blue or thymol blue, described azo-compound class indicator is methyl orange, dimethyl diaminophenazine chloride, methyl red, reindeer moss, at least one in starch.
Wherein, described indicator is phenolphthalein or thymolphthalein.Because phenolphthalein or its powder of thymolphthalein are white or micro-yellow, go for the basic unit 11 of shades of colour, and it is red and blue after variable color in alkaline solution, obvious with its primitive color contrast, can more clearly manifest.Described indicator can be painted on basic unit 11 surface or indicator is configured to solution and basic unit 11 be infiltrated in the solution rear drying obtain required material.Indicator be phenolphthalein or thymolphthalein time, developer is alkaline matter, such as sodium carbonate, calcium hydroxide or NaOH etc.
Wherein, indicator and developer are arranged in color layer 12 in powder form.Indicator be phenolphthalein or thymolphthalein time, developer is alkaline matter, now the mass ratio of phenolphthalein or thymolphthalein powder and alkaline matter powder can be 1:1-100, such as: mass ratio 1:1,1:50 or 1:100 of phenolphthalein or thymolphthalein powder and alkaline matter powder.Certainly, the proportioning of developer and indicator can be determined according to the actual needs.
Be understandable that, other inert powder can also be filled with in described color layer 12, to reduce the consumption of indicator and/or developer, inert powder can be the inert powder not with indicator and developer generation chemical reaction, as kaolin, titanium dioxide, zeolite etc.When indicator is basic indicator time, the inert powder that chemical reaction does not occur with alkaline matter can be filled, when indicator is acid indicator, the inert powder that chemical reaction does not occur with acidic materials can be filled.Wherein, indicator be phenolphthalein or thymolphthalein time, inert powder can be titanium dioxide or calcium carbonate.
The mass ratio of indicator powder and inert powder can be 1-20:80-99, and the mass ratio of such as indicator powder and inert powder can be 1:80,1:9 or 20:99 etc.After indicator powder mixes with inert powder, applied or be sprayed at basic unit 11 surface, coating or spray can use coating of the prior art or spray application.The mass ratio of indicator powder, developer powder and inert powder can be 1:0.1-10:1-1000, and the mass ratio of such as indicator powder, developer powder and inert powder can be 1:0.1:1,1:5:500 or 1:10:1000 etc.
The principle that color layer 12 develops the color illustrates for phenolphthalein and starch indicator.In the color layer 12 taking phenolphthalein as indicator, when interpolation developer is sodium carbonate, use alcohol water blend when colour development material surface is streaked, color layer 12 demonstrates redness, and after alcoholic solution volatilization, phenolphthalein reverts to white; In the color layer taking starch as indicator, interpolation developer is iodine, when using water to streak on color layer 12, color layer 12 shows blueness, or, in the color layer 12 taking starch as indicator, when adding developer KI, when using hydrogen peroxide to streak on color layer 12, blueness can be shown equally.
The indicator that the color layer 12 of colour development material of the present invention comprises and developer are all the conventional chemical substances used, thus this colour development material security is high, make indicator present the first color in the dry state and under moisture state, make indicator present the second color, colour development material has two kinds of different colors under two kinds of different states, in this way, make colour development material have reusable feature, thus the waste of material can be avoided.
Consult Fig. 2, Fig. 2 is the structural representation of another embodiment of colour development material of the present invention.In the present embodiment, color layer 12 comprises the first sublayer 121 and the second sublayer 122, second sublayer 122 is arranged on the first sublayer 121, second sublayer 122 comprises multiple microcapsules, one wherein in indicator and developer is arranged at the first sublayer 121 in powder form, and the another one in indicator and developer is wrapped in the microcapsules of the second sublayer 122 in the form of a solution, or indicator and developer are arranged at the first sublayer 121 all in powder form, and are enclosed with the solvent for dissolving indicator or developer in the microcapsules of the second sublayer 122.
In actual applications, existing microencapsulation technology can be adopted to wrap up solution or solvent, if as in the first sublayer 121 of above-mentioned color layer 12, indicator is phenolphthalein powder, then the developer of the second sublayer 122 can be alkaline aqueous solution, be wrapped in the microcapsules of the second sublayer 122, alkaline aqueous solution is as NaOH, calcium hydroxide or aqueous sodium carbonate.Take gelatin as wall material, the mode of carrying out spraying dry or spray chilling granulation can form microcapsules.If the first sublayer 121 is provided with phenolphthalein indicator and NaOH developer powder in above-mentioned color layer 12, then the second sublayer 122 encapsulation be only the aqueous solution.And for example contain starch and KI in above-mentioned color layer 12 first sublayer 121, then the solvent of the encapsulation of the second sublayer 122 is hydrogen peroxide.As the mixed-powder that above-mentioned color layer 12 first sublayer 121 is phenolphthalein, sodium carbonate, then the second sublayer 122 encapsulation water.In use, hard object is used to streak on the second sublayer 122, microcapsules rupture, solution inside microcapsules or solvent are spilt, invades profit color layer 12, make the indicator discoloration in color layer 12, when after a period of time, be retained in solution or the solvent volatilization on color layer 12 or absorbed by basic unit 11, cause the ionization environment of indicator to disappear, indicator reverts to original color.
Consult Fig. 3, Fig. 3 is the structural representation of the another embodiment of colour development material of the present invention, and in present embodiment, colour development material also comprises protective layer 13, and protective layer 13 is arranged on the second sublayer 122.
Protective layer 13 is the one in coating or dressing, and concrete coating can be the cover layer of calcium carbonate coating of the prior art, kaolin coating, coating of titanium dioxide and/or sticky agent, and dressing is another thin paper, thin PE film, thin non-woven fabrics etc.Protective layer covers on the second sublayer 122, for prevent the particle in the second sublayer 122 and/or the first sublayer 121 in use or do not use time come off.
The indicator that the color layer 12 of colour development material of the present invention comprises and developer are all the conventional chemical substances used, thus this colour development material security is high, make indicator present the first color in the dry state and under moisture state, make indicator present the second color, colour development material has two kinds of different colors under two kinds of different states, in this way, make colour development material have reusable feature, thus the waste of material can be avoided.In addition, after colour development material arranges protective layer, more safe and reliable.
Consult Fig. 4, Fig. 4 is the flow chart of preparation method one embodiment of colour development material of the present invention, comprising:
Step S101: basic unit is provided.
Carrying effect mainly plays in basic unit, carrying color layer.Basic unit is a slim soft material.Described basic unit can be at least one in paper, non-woven fabrics, dust-free paper, can certainly be other thin materials, as cloth etc., as long as base material has some strength, and carrying color layer.
Step S102: form a color layer in basic unit, color layer comprises at least one indicator and at least one can make indicator present the first color in the dry state and under moisture state, make indicator present the developer of the second color.
Color layer can show two kinds of different colours respectively under two kinds of different conditions.It comprises indicator and developer, indicator be a class within the scope of its specific pH value, with solution pH value change and the compound of variable color, normally organic monoacid or organic weak base.Developer can make indicator present the first color in the dry state, and under moisture state, make indicator present the second color.
Wherein, step basic unit forming a color layer comprises: indicator and developer are arranged in color layer in powder form.Such as: indicator and developer in powder form can directly by spraying or being coated with or the method such as printing is formed in substrate surface.
Wherein, the step that basic unit is formed a color layer can also comprise: the first sublayer one in indicator and developer being arranged in powder form color layer, and the another one in indicator and developer is wrapped in the microcapsules of the second sublayer of color layer in the form of a solution, or indicator and developer are arranged at the first sublayer all in powder form, and the solvent being used for dissolving indicator or developer is wrapped in the microcapsules of the second sublayer.
In actual applications, existing microencapsulation technology can be adopted to wrap up solution or solvent.Take gelatin as wall material, the mode of carrying out spraying dry or spray chilling granulation can form microcapsules.If if indicator is phenolphthalein powder in the first sublayer of color layer, then the developer of the second sublayer can be alkaline aqueous solution and is wrapped in the microcapsules of the second sublayer, and alkaline aqueous solution is as NaOH, calcium hydroxide or aqueous sodium carbonate.If the first sublayer is provided with phenolphthalein indicator and NaOH developer powder in color layer, then the second sublayer encapsulation be only the aqueous solution.And for example contain starch and KI in fruit color layer first sublayer, then the solvent of the encapsulation of the second sublayer is hydrogen peroxide.If color layer first sublayer is the mixed-powder of phenolphthalein, sodium carbonate, then the second sublayer encapsulation water.
The indicator that the color layer of colour development material prepared by the present invention comprises and developer are all the conventional chemical substances used, thus this colour development material security is high, make indicator present the first color in the dry state and under moisture state, make indicator present the second color, colour development material has two kinds of different colors under two kinds of different states, in this way, make colour development material have reusable feature, thus the waste of material can be avoided.
The foregoing is only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (15)
1. a colour development material, it is characterized in that, described colour development material comprises basic unit and is carried on the color layer in described basic unit, and described color layer comprises at least one indicator and at least one can make described indicator present the first color in the dry state and under moisture state, make described indicator present the developer of the second color.
2. colour development material according to claim 1, is characterized in that, described indicator is acid-base indicator or oxidation-reduction indicator.
3. colour development material according to claim 2, is characterized in that, described acid-base indicator is at least one in phenol phthalein indicator, riodoxol phthalein indicator, nitropheneol indicator or azo-compound class indicator.
4. colour development material according to claim 3, it is characterized in that, described phenol phthalein indicator is at least one in phenolphthalein, thymolphthalein or alphanaphthol phthalein, described riodoxol phthalein indicator is at least one in phenol red, cresol red, bromophenol blue or thymol blue, and described azo-compound class indicator is at least one in methyl orange, dimethyl diaminophenazine chloride, methyl red, reindeer moss, starch.
5. colour development material according to claim 4, is characterized in that, described indicator be phenolphthalein or thymolphthalein time, described developer is alkaline matter.
6. colour development material according to claim 5, is characterized in that, described alkaline matter is sodium carbonate, calcium hydroxide or NaOH.
7. colour development material according to claim 1, is characterized in that, described indicator and described developer are arranged in described color layer in powder form.
8. colour development material according to claim 7, is characterized in that, the mass ratio of described indicator and described developer is 1:1-100.
9. colour development material according to claim 7, is characterized in that, described color layer also comprises the inert powder of the consumption for reducing described indicator and/or described developer, and described inert powder and described indicator and described developer chemical reaction do not occur.
10. colour development material according to claim 9, is characterized in that, the mass ratio of described indicator, described developer and inert powder is 1:0.1-10:1-1000.
11. colour development materials according to claim 1, it is characterized in that, described color layer comprises the first sublayer and the second sublayer, described second sublayer is arranged on described first sublayer, described second sublayer comprises multiple microcapsules, one in wherein said indicator and described developer is arranged at described first sublayer in powder form, and the another one in described indicator and described developer is wrapped in the described microcapsules of described second sublayer in the form of a solution, or described indicator and described developer are arranged at described first sublayer all in powder form, and the solvent be enclosed with in the described microcapsules of described second sublayer for dissolving described indicator or described developer.
12. colour development materials according to claim 11, is characterized in that, described colour development material also comprises protective layer, and described protective layer is arranged on described second sublayer.
The preparation method of 13. 1 kinds of colour development materials, is characterized in that, described method comprises:
Basic unit is provided;
Described basic unit is formed a color layer, and described color layer comprises at least one indicator and at least one can make described indicator present the first color in the dry state and under moisture state, make described indicator present the developer of the second color.
14. colour development materials according to claim 13, is characterized in that, the described step forming a color layer in described basic unit comprises:
Described indicator and described developer are arranged in described color layer in powder form.
15. colour development materials according to claim 13, is characterized in that, the described step forming a color layer in described basic unit comprises:
One in described indicator and described developer is arranged in powder form the first sublayer of described color layer, and the another one in described indicator and described developer is wrapped in the microcapsules of the second sublayer of described color layer in the form of a solution, or described indicator and described developer are arranged at described first sublayer all in powder form, and the solvent being used for dissolving described indicator or described developer are wrapped in the described microcapsules of described second sublayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410069963.7A CN104875544A (en) | 2014-02-27 | 2014-02-27 | Color development material and preparation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410069963.7A CN104875544A (en) | 2014-02-27 | 2014-02-27 | Color development material and preparation method |
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| CN104875544A true CN104875544A (en) | 2015-09-02 |
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| CN201410069963.7A Pending CN104875544A (en) | 2014-02-27 | 2014-02-27 | Color development material and preparation method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442347A (en) * | 2015-12-14 | 2016-03-30 | 空么（上海）商贸有限公司 | Biochemical strain fabric and preparation method thereof |
| CN105500968A (en) * | 2015-11-24 | 2016-04-20 | 吉林大学 | Reusable water writing paper |
| CN107031163A (en) * | 2017-04-10 | 2017-08-11 | 滁州卷烟材料厂 | A kind of wet sensitive colour changing corrugated case |
| CN108801367A (en) * | 2018-09-07 | 2018-11-13 | 浙江健拓医疗仪器科技有限公司 | A kind of environmental detection set and its manufacturing method suitable for poct class diagnostic reagents |
| CN113211898A (en) * | 2021-05-28 | 2021-08-06 | 海南赛诺实业有限公司 | Coating film for food packaging |
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| CN1086481A (en) * | 1993-08-17 | 1994-05-11 | 赵山泉 | From moving back person's handwriting colour painting exercise paper and cloth |
| US6346024B1 (en) * | 2000-02-11 | 2002-02-12 | Robert W. Engel | Bath toy with thermally erasable drawing surface |
| CN1847522A (en) * | 2005-04-15 | 2006-10-18 | 无锡侨颂特种纸有限公司 | Production process of no-carbon copy paper |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086481A (en) * | 1993-08-17 | 1994-05-11 | 赵山泉 | From moving back person's handwriting colour painting exercise paper and cloth |
| US6346024B1 (en) * | 2000-02-11 | 2002-02-12 | Robert W. Engel | Bath toy with thermally erasable drawing surface |
| CN1847522A (en) * | 2005-04-15 | 2006-10-18 | 无锡侨颂特种纸有限公司 | Production process of no-carbon copy paper |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105500968A (en) * | 2015-11-24 | 2016-04-20 | 吉林大学 | Reusable water writing paper |
| CN105442347A (en) * | 2015-12-14 | 2016-03-30 | 空么（上海）商贸有限公司 | Biochemical strain fabric and preparation method thereof |
| CN107031163A (en) * | 2017-04-10 | 2017-08-11 | 滁州卷烟材料厂 | A kind of wet sensitive colour changing corrugated case |
| CN107031163B (en) * | 2017-04-10 | 2018-10-26 | 滁州卷烟材料厂 | A kind of wet sensitive colour changing corrugated case |
| CN108801367A (en) * | 2018-09-07 | 2018-11-13 | 浙江健拓医疗仪器科技有限公司 | A kind of environmental detection set and its manufacturing method suitable for poct class diagnostic reagents |
| CN113211898A (en) * | 2021-05-28 | 2021-08-06 | 海南赛诺实业有限公司 | Coating film for food packaging |
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