CN115260831A - Ink capable of changing color along with writing environment and preparation method thereof - Google Patents
Ink capable of changing color along with writing environment and preparation method thereof Download PDFInfo
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- CN115260831A CN115260831A CN202210538197.9A CN202210538197A CN115260831A CN 115260831 A CN115260831 A CN 115260831A CN 202210538197 A CN202210538197 A CN 202210538197A CN 115260831 A CN115260831 A CN 115260831A
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- ink
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- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000000980 acid dye Substances 0.000 claims abstract description 25
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 17
- 239000010941 cobalt Substances 0.000 claims abstract description 17
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 17
- 150000001875 compounds Chemical class 0.000 claims abstract description 17
- 150000002484 inorganic compounds Chemical class 0.000 claims abstract description 15
- 229910010272 inorganic material Inorganic materials 0.000 claims abstract description 15
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 claims description 14
- 229940043267 rhodamine b Drugs 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 12
- 239000012752 auxiliary agent Substances 0.000 claims description 12
- GFHNAMRJFCEERV-UHFFFAOYSA-L cobalt chloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].[Cl-].[Co+2] GFHNAMRJFCEERV-UHFFFAOYSA-L 0.000 claims description 10
- SEACYXSIPDVVMV-UHFFFAOYSA-L eosin Y Chemical compound [Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C1=C2C=C(Br)C(=O)C(Br)=C2OC2=C(Br)C([O-])=C(Br)C=C21 SEACYXSIPDVVMV-UHFFFAOYSA-L 0.000 claims description 10
- UJMBCXLDXJUMFB-GLCFPVLVSA-K tartrazine Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)C1=NN(C=2C=CC(=CC=2)S([O-])(=O)=O)C(=O)C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 UJMBCXLDXJUMFB-GLCFPVLVSA-K 0.000 claims description 10
- 235000012756 tartrazine Nutrition 0.000 claims description 10
- 239000004149 tartrazine Substances 0.000 claims description 10
- SWGJCIMEBVHMTA-UHFFFAOYSA-K trisodium;6-oxido-4-sulfo-5-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2-sulfonate Chemical compound [Na+].[Na+].[Na+].C1=CC=C2C(N=NC3=C4C(=CC(=CC4=CC=C3O)S([O-])(=O)=O)S([O-])(=O)=O)=CC=C(S([O-])(=O)=O)C2=C1 SWGJCIMEBVHMTA-UHFFFAOYSA-K 0.000 claims description 10
- 229910001428 transition metal ion Inorganic materials 0.000 claims description 9
- 239000002562 thickening agent Substances 0.000 claims description 8
- 239000003906 humectant Substances 0.000 claims description 7
- 235000005979 Citrus limon Nutrition 0.000 claims description 6
- ZXJXZNDDNMQXFV-UHFFFAOYSA-M crystal violet Chemical compound [Cl-].C1=CC(N(C)C)=CC=C1[C+](C=1C=CC(=CC=1)N(C)C)C1=CC=C(N(C)C)C=C1 ZXJXZNDDNMQXFV-UHFFFAOYSA-M 0.000 claims description 6
- CXKWCBBOMKCUKX-UHFFFAOYSA-M methylene blue Chemical compound [Cl-].C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 CXKWCBBOMKCUKX-UHFFFAOYSA-M 0.000 claims description 6
- 229960000907 methylthioninium chloride Drugs 0.000 claims description 6
- 239000003755 preservative agent Substances 0.000 claims description 5
- -1 aluminum ions Chemical class 0.000 claims description 4
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 150000003841 chloride salts Chemical class 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 3
- 229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 claims description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims description 2
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 claims description 2
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 235000012730 carminic acid Nutrition 0.000 claims description 2
- 239000004106 carminic acid Substances 0.000 claims description 2
- 229910000428 cobalt oxide Inorganic materials 0.000 claims description 2
- ASKVAEGIVYSGNY-UHFFFAOYSA-L cobalt(ii) hydroxide Chemical compound [OH-].[OH-].[Co+2] ASKVAEGIVYSGNY-UHFFFAOYSA-L 0.000 claims description 2
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims description 2
- 229940080423 cochineal Drugs 0.000 claims description 2
- 229910001431 copper ion Inorganic materials 0.000 claims description 2
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 claims description 2
- MCPLVIGCWWTHFH-UHFFFAOYSA-L methyl blue Chemical compound [Na+].[Na+].C1=CC(S(=O)(=O)[O-])=CC=C1NC1=CC=C(C(=C2C=CC(C=C2)=[NH+]C=2C=CC(=CC=2)S([O-])(=O)=O)C=2C=CC(NC=3C=CC(=CC=3)S([O-])(=O)=O)=CC=2)C=C1 MCPLVIGCWWTHFH-UHFFFAOYSA-L 0.000 claims description 2
- 229910001453 nickel ion Inorganic materials 0.000 claims description 2
- 239000006174 pH buffer Substances 0.000 claims description 2
- 244000248349 Citrus limon Species 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000000976 ink Substances 0.000 description 73
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 39
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 39
- 235000011187 glycerol Nutrition 0.000 description 14
- 239000008213 purified water Substances 0.000 description 13
- 239000001509 sodium citrate Substances 0.000 description 13
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 13
- 235000010489 acacia gum Nutrition 0.000 description 12
- 239000001785 acacia senegal l. willd gum Substances 0.000 description 12
- 239000000203 mixture Substances 0.000 description 12
- 239000000975 dye Substances 0.000 description 10
- 230000008859 change Effects 0.000 description 9
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 7
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 244000131522 Citrus pyriformis Species 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 241000395033 Kaempferia Species 0.000 description 4
- 235000013422 Kaempferia rotunda Nutrition 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 239000006179 pH buffering agent Substances 0.000 description 4
- 230000002335 preservative effect Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- 239000004287 Dehydroacetic acid Substances 0.000 description 1
- 235000010643 Leucaena leucocephala Nutrition 0.000 description 1
- 240000007472 Leucaena leucocephala Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000679 carrageenan Substances 0.000 description 1
- 235000010418 carrageenan Nutrition 0.000 description 1
- 229920001525 carrageenan Polymers 0.000 description 1
- 229940113118 carrageenan Drugs 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229940061632 dehydroacetic acid Drugs 0.000 description 1
- JEQRBTDTEKWZBW-UHFFFAOYSA-N dehydroacetic acid Chemical compound CC(=O)C1=C(O)OC(C)=CC1=O JEQRBTDTEKWZBW-UHFFFAOYSA-N 0.000 description 1
- PGRHXDWITVMQBC-UHFFFAOYSA-N dehydroacetic acid Natural products CC(=O)C1C(=O)OC(C)=CC1=O PGRHXDWITVMQBC-UHFFFAOYSA-N 0.000 description 1
- 235000019258 dehydroacetic acid Nutrition 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 1
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 239000001508 potassium citrate Substances 0.000 description 1
- 229960002635 potassium citrate Drugs 0.000 description 1
- QEEAPRPFLLJWCF-UHFFFAOYSA-K potassium citrate (anhydrous) Chemical compound [K+].[K+].[K+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O QEEAPRPFLLJWCF-UHFFFAOYSA-K 0.000 description 1
- 235000011082 potassium citrates Nutrition 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/16—Writing inks
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/16—Writing inks
- C09D11/17—Writing inks characterised by colouring agents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/50—Sympathetic, colour changing or similar inks
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention relates to the technical field of C09D, in particular to ink changing color along with a writing environment and a preparation method thereof. The invention provides a color-changing ink along with writing environment, which comprises 1-10% of acid dye, 2-15% of cobalt-containing compound, 0-20% of inorganic compound, 2-8% of assistant and the balance of water. The ink capable of changing color along with the writing environment provided by the invention has the characteristics of bright color and capability of changing color along with the environment.
Description
Technical Field
The invention relates to the technical field of C09D, in particular to ink changing color along with a writing environment and a preparation method thereof.
Background
The ink is applied to pens, the existing pen ink is generally divided into water-based ink, oil-based ink, solvent-based ink or gel-type ink, different types of ink have different characteristics, and the oil-based ink has the advantages of water resistance and clear handwriting, but has the defects of pollution and limited color types when the oil-based ink is discarded; the water-based ink comprises dye type, pigment type and active ink; the active ink contains an iron liner, which is gradually eliminated at present, and has the problems of large pollution and less color number; the pigment type ink has a water-repellent characteristic, but lacks color change, is poor in view, and cannot be reused after dried.
Chinese patent with patent application number CN201811065594.9 discloses a preparation method of lake, the lake and application thereof, and adopts acid dye and metal ions, and is applied to the technical fields of dye, pigment ink and the like, but has no characteristic of color change.
Therefore, it is a major technical problem to be solved to provide an aqueous ink which changes color when a pen is dropped, after writing for about several seconds, or after several minutes.
Disclosure of Invention
In order to solve the problems, the invention provides the ink changing color along with the writing environment, and the preparation raw materials comprise, by mass, 1-10% of acid dye, 2-15% of cobalt-containing compound, 0-20% of inorganic compound, 2-8% of assistant and the balance of water.
Preferably, the water is purified water.
Preferably, the acid dye is selected from one or more of acid yellow 23, rhodamine B, acid scarlet 3R, cochineal, water-soluble eosin, methyl blue, methylene blue, phthalocyanine blue PB-15, acid lake blue, lemon yellow, methyl violet, and acid blue BRL.
Preferably, the cobalt-containing compound is selected from one or more of anhydrous cobalt chloride, cobalt chloride hexahydrate, cobalt oxide and cobalt hydroxide.
Preferably, the inorganic compound is selected from a chloride salt containing a transition metal ion or a sulfate salt containing a transition metal ion.
Preferably, the transition metal ions are selected from one or more of nickel ions, aluminum ions, copper ions, iron ions and zinc ions.
Preferably, the weight ratio of the acid dye to the cobalt-containing compound is (1-1.5): 1.
Preferably, the weight ratio of the acid dye to the cobalt-containing compound to the inorganic compound is 1: (2-4.8): (4.5-7.2).
In order to improve the dissolution of the acid dye in water and the performance of environmental discoloration, the applicant found in experiments that the weight ratio of the acid dye to the cobalt-containing compound is (1-1.5): 1 or the weight ratio of the acid dye, the cobalt-containing compound and the inorganic compound is 1: (2-4.8): (4.5-7.2) when the inorganic compound is selected from a transition metal ion-containing chloride salt or a transition metal ion-containing sulfate salt, the acidic dye is more soluble in water and exhibits a property of changing color with the environment, and there is a possibility that the acidic dye, the cobalt-containing compound, and the inorganic compound maintain a solubility balance in water and exhibit a property of changing color with the environment in a specific amount of use, but when the acidic dye is used in an excessive amount, the ink is vivid in color but cannot exhibit a remarkable property of changing color with the environment, and the cobalt-containing compound or the inorganic compound affects the dissolution of the acidic dye in water and the appearance of the property of changing color with the environment in a large amount, and there is a possibility that the transition metal ion in the inorganic compound may form a complex crystal structure and a change in color occurs after the ink is dried.
Preferably, the auxiliary agent is selected from one or more of a preservative, a thickener, a pH buffer, a humectant.
Preferably, the preservative is selected from one or more of casone, quaternary ammonium salts, dehydroacetic acid and salts thereof.
Preferably, the thickening agent is selected from one or more of acacia, carrageenan and pectin.
Preferably, the pH buffering agent is selected from one or more of citric acid, sodium citrate, potassium citrate.
Preferably, the humectant is selected from one or more of glycerin, butylene glycol, glycerin, sorbitol.
Preferably, the weight ratio of the acid dye to the auxiliary agent is (1.2-5): 1.
further, the weight ratio of the acid dye to the auxiliary agent is (1.2-2): 1.
further, the weight ratio of the acid dye to the auxiliary agent is (4-5): 1.
preferably, the weight ratio of the humectant to the thickener is 1: (1-2.5).
In order to improve the problems of dye solubility and permeation rate and enable the ink to have the effect of environmental color change according to the weight or pen-carrying capacity during pen-dropping, the applicant has found in experiments that the weight ratio of the acid dye to the auxiliary agent is (1.2-5): 1, particularly when the auxiliary agent comprises a preservative, a thickening agent, a pH buffering agent and a humectant, the weight ratio of the humectant to the thickening agent is 1: (1-2.5), the environmental color change effect of the ink according to the weight of the ink during pen drop or the pen transporting force can be improved, and the possible reasons are that the acid dye can be uniformly dispersed into an ink system under the action of the thickening agent, the pH value of the ink can be adjusted under the action of the pH buffering agent, the water content retention of the ink on paper can be improved under the action of the moisture retention agent, the water volatilization speed of the ink after pen drop can be improved under the interaction of the preservative, the thickening agent, the pH buffering agent and the humectant, and the change speed of the pH value and the water content of the ink is improved, so that the ionic water loss effect between the dyes is improved, the color change is realized, the solubility and the permeation rate of the dye are improved, the different colors of the edge and the middle of the ink during pen drop are realized, the color of the ink is influenced by the weight of the ink during pen drop or the pen transporting force, and the environmental color change effect of the ink can be further improved under the action of the moisture retention agent.
A preparation method of ink changing color along with a writing environment comprises the following steps:
the preparation raw materials comprising the acid dye, the cobalt-containing compound, the inorganic compound, the auxiliary agent and the water are mixed and stirred to prepare the color-changing ink along with the writing environment.
Advantageous effects
The ink capable of changing color along with the writing environment provided by the invention has the characteristics of bright color and capability of changing color along with the environment.
The invention can improve the dissolution of acid dye in water and the expression of environment discoloration performance by limiting the weight ratio of the acid dye to the cobalt-containing compound or the weight ratio of the acid dye, the cobalt-containing compound and the inorganic compound.
According to the invention, by limiting the weight ratio of the acid dye to the auxiliary agent, the problems of dye solubility and permeation rate can be improved, and the ink can show an environmental color change effect according to the weight of the ink when the pen is dropped or the pen is transported.
The ink changing color along with the writing environment provided by the invention is beneficial to a calligraphy and painting creator to observe the weight and the force of pen-fall.
The ink changing color along with the writing environment provided by the invention can be suitable for different writing tools such as pens, dip pens, writing brushes and ball-point pens, and can be suitable for printers.
Drawings
FIG. 1 is a color chart of the ink of example 3 after 3 to 5 seconds of writing in an environment of 25 ℃ and 85% humidity.
FIG. 2 is a color chart of the ink of example 3 after writing in an environment of 25 ℃ and 85% humidity and heating for 5 seconds by a blower fan, which is shown in FIG. 2.
Detailed Description
Example 1
The ink capable of changing color along with the writing environment is prepared from, by mass, 1% of acid yellow 23, 1.5% of rhodamine B, 0.5% of water-soluble eosin, 0.5% of acid scarlet 3R, 12% of cobalt chloride hexahydrate, 18% of nickel chloride, 5% of kasong, 1.5% of Arabic gum, 3% of citric acid, 3% of sodium citrate, 1% of glycerol and the balance of purified water.
A preparation method of ink changing color along with a writing environment comprises the following steps:
s1, adding acid yellow 23, rhodamine B, water-soluble eosin, acid scarlet 3R, cobalt chloride hexahydrate, nickel chloride, citric acid and sodium citrate into purified water, and uniformly mixing to obtain a mixture a;
s2, adding the kaempferia, the Arabic gum and the glycerol into the mixture a, and mixing to obtain the ink changing color along with the writing environment.
Example 2
The ink capable of changing color along with the writing environment is prepared from, by mass, 1% of acid yellow 23, 1.5% of rhodamine B, 0.5% of water-soluble eosin, 0.5% of acid scarlet 3R, 10% of cobalt chloride hexahydrate, 16% of nickel sulfate, 5% of kasong, 1.5% of Arabic gum, 3% of citric acid, 3% of sodium citrate, 1% of glycerol and the balance of purified water.
A preparation method of ink changing color along with writing environment comprises the following steps:
s1, adding acid yellow 23, rhodamine B, water-soluble eosin, acid scarlet 3R, cobalt chloride hexahydrate, nickel chloride, citric acid and sodium citrate into purified water, and uniformly mixing to obtain a mixture a;
s2, adding the kason, the Arabic gum and the glycerol into the mixture a, and mixing to obtain the ink changing color along with the writing environment.
Example 3
An ink changing color along with writing environment is prepared from 3% of methylene blue, 4% of rhodamine B, 0.5% of lemon yellow, 2% of methyl violet, 0.5% of acid lake blue, 0.5% of acid blue BRL, 8% of cobalt chloride, 5% of kasong, 1.5% of Arabic gum, 3% of citric acid, 3% of sodium citrate, 1% of glycerol and the balance of purified water by mass percent.
A preparation method of ink changing color along with writing environment comprises the following steps:
s1, adding methylene blue, rhodamine B, lemon yellow, methyl violet, acid lake blue, acid blue BRL, citric acid and sodium citrate into purified water, and uniformly mixing to obtain a mixture a;
s2, adding the kaempferia, the Arabic gum and the glycerol into the mixture a, and mixing to obtain the ink changing color along with the writing environment.
Example 4
An ink changing color along with writing environment is prepared from 3% of methylene blue, 4% of rhodamine B, 0.5% of lemon yellow, 2% of methyl violet, 0.5% of acid lake blue, 0.5% of acid blue BRL, 10% of cobalt chloride, 5% of kasong, 1.5% of Arabic gum, 3% of citric acid, 3% of sodium citrate, 1% of glycerol and the balance of purified water by mass percent.
A preparation method of ink changing color along with writing environment comprises the following steps:
s1, adding methylene blue, rhodamine B, lemon yellow, methyl violet, acid lake blue, acid blue BRL, citric acid and sodium citrate into purified water, and uniformly mixing to obtain a mixture a;
s2, adding the kaempferia, the Arabic gum and the glycerol into the mixture a, and mixing to obtain the ink changing color along with the writing environment.
Example 5
An ink changing color along with writing environment is prepared from 2% of acid yellow 23, 2.5% of rhodamine B, 1.5% of water-soluble eosin, 1.5% of acid scarlet 3R, 12% of cobalt chloride hexahydrate, 18% of nickel chloride, 5% of kason, 1.5% of Arabic gum, 3% of citric acid, 3% of sodium citrate, 1% of glycerin and the balance of purified water by mass percent.
A preparation method of ink changing color along with writing environment comprises the following steps:
s1, adding acid yellow 23, rhodamine B, water-soluble eosin, acid scarlet 3R, cobalt chloride hexahydrate, nickel chloride, citric acid and sodium citrate into purified water, and uniformly mixing to obtain a mixture a;
s2, adding the kason, the Arabic gum and the glycerol into the mixture a, and mixing to obtain the ink changing color along with the writing environment.
Example 6
The ink capable of changing color along with the writing environment is prepared from, by mass, 1% of acid yellow 23, 1.5% of rhodamine B, 0.5% of water-soluble eosin, 0.5% of acid scarlet 3R, 16% of cobalt chloride hexahydrate, 20% of nickel chloride, 5% of kasong, 1.5% of Arabic gum, 3% of citric acid, 3% of sodium citrate, 1% of glycerol and the balance of purified water.
A preparation method of ink changing color along with writing environment comprises the following steps:
s1, adding acid yellow 23, rhodamine B, water-soluble eosin, acid scarlet 3R, cobalt chloride hexahydrate, nickel chloride, citric acid and sodium citrate into purified water, and uniformly mixing to obtain a mixture a;
s2, adding the kaempferia, the Arabic gum and the glycerol into the mixture a, and mixing to obtain the ink changing color along with the writing environment.
Performance testing
Test samples: 10 parts of each of the inks prepared in examples 1 to 6 were used, and 10 parts of a red ink and 10 parts of a blue ink were used as comparative examples 1 and 2, respectively.
1. And (3) color testing: the test sample is added into a pen, the color of the handwriting 3-5s after the ink is written, 1min after the ink is written and 5s after the ink is heated by blowing is tested, the test result is shown in table 1, the color chart of the ink in example 3 after the ink is written for 3-5s under the environment with the humidity of 85% at 25 ℃ is shown in fig. 1, and the color chart of the ink after the ink is heated for 5s by a blower is shown in fig. 2.
2. And (3) testing the writing performance: 140 testers are selected and divided into 7 groups, 20 testers in each group record fluency, intermittent writability and feathering prevention of writing by using a water-dipping pen to dip ink, the recording result of writing paper which is not feathered and has excellent fluency, good intermittent writability and no feathering prevention after more than 95% of testers use ink is A, the recording result of writing paper which is not feathered and has good fluency, good intermittent writability and no feathering prevention after more than 90% of testers use ink is B, the recording result of writing paper which is not feathered and has general fluency, no intermittent writability and no feathering prevention after more than 90% of testers use ink is C, and the testing result is shown in a table 1.
TABLE 1
Claims (10)
1. The ink capable of changing color along with the writing environment is characterized in that the preparation raw materials comprise, by mass, 1-10% of an acid dye, 2-15% of a cobalt-containing compound, 0-20% of an inorganic compound, 2-8% of an auxiliary agent and the balance of water.
2. The ambient color ink as recited in claim 1, wherein the acid dye is selected from one or more of acid yellow 23, rhodamine B, acid scarlet 3R, cochineal, water-soluble eosin, methyl blue, methylene blue, phthalocyanine blue PB-15, acid lake blue, lemon yellow, methyl violet, and acid blue BRL.
3. The ambient color-shifting ink according to claim 1, wherein the cobalt-containing compound is one or more selected from the group consisting of anhydrous cobalt chloride, cobalt chloride hexahydrate, cobalt oxide, and cobalt hydroxide.
4. The ambient color-changing ink according to writing of claim 1, wherein the inorganic compound is selected from the group consisting of a chloride salt containing a transition metal ion and a sulfate salt containing a transition metal ion.
5. The ambient color-changing writing ink according to any one of claims 1 to 4, wherein the transition metal ions are selected from one or more of nickel ions, aluminum ions, copper ions, iron ions, and zinc ions.
6. The ambient color-shifting ink according to claim 1, wherein the weight ratio of the acid dye to the cobalt-containing compound is (1-1.5): 1.
7. The ambient color-changing ink according to writing of claim 1, wherein the weight ratio of the acid dye, the cobalt-containing compound, and the inorganic compound is 1: (2-4.8): (4.5-7.2).
8. The ambient color-shifting ink according to claim 1, wherein the auxiliary agent is selected from one or more of preservatives, thickeners, pH buffers, humectants.
9. The ambient color-shifting ink as recited in claim 1, wherein the weight ratio of the acid dye to the auxiliary agent is (1.2-5): 1.
10. a method of making a writing environment color shifting ink according to any of claims 1-9, comprising the steps of:
the preparation raw materials comprising the acid dye, the cobalt-containing compound, the inorganic compound, the auxiliary agent and the water are mixed and stirred to prepare the color-changing ink along with the writing environment.
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