CN115353772A - Thermochromic water-based ink for paper material and preparation method thereof - Google Patents
Thermochromic water-based ink for paper material and preparation method thereof Download PDFInfo
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- CN115353772A CN115353772A CN202211034238.7A CN202211034238A CN115353772A CN 115353772 A CN115353772 A CN 115353772A CN 202211034238 A CN202211034238 A CN 202211034238A CN 115353772 A CN115353772 A CN 115353772A
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- water
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- thermochromic
- based ink
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 239000000463 material Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 15
- 239000000080 wetting agent Substances 0.000 claims abstract description 15
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 14
- 230000002441 reversible effect Effects 0.000 claims abstract description 14
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000839 emulsion Substances 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 3
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 3
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical group CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 239000013530 defoamer Substances 0.000 claims 1
- 239000003973 paint Substances 0.000 claims 1
- 125000003396 thiol group Chemical group [H]S* 0.000 claims 1
- 239000000049 pigment Substances 0.000 abstract description 4
- 239000000243 solution Substances 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 238000005562 fading Methods 0.000 abstract description 3
- 239000006260 foam Substances 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- 239000000725 suspension Substances 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 5
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical group SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
-
- 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
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention discloses a thermochromic water-based ink for paper materials and a preparation method thereof, wherein the thermochromic water-based ink comprises the following raw materials: the invention relates to a high-temperature-resistant water-based acrylic emulsion, temperature-sensitive reversible toner and an auxiliary agent, wherein the mass ratio of the water-based high-temperature-resistant acrylic emulsion is 60-80%, the mass ratio of the temperature-sensitive reversible toner is 1-10%, and the mass ratio of the auxiliary agent is 20-30%. The water-based high-temperature-resistant acrylic emulsion is used to enable the color-changing water-based ink to have better high-temperature resistance, prevent the color-changing water-based ink from fading and losing efficacy at high temperature and influencing the use, the wetting agent is used to enable the solid pigment to be more easily wetted by water, the color-changing water-based ink is convenient to dissolve in water and convenient to use during coating, the defoaming agent is used to reduce the surface tension of water, solution and suspension liquid and prevent the foam in the color-changing water-based ink from forming, and the connecting material is used to facilitate the mutual mixing of different materials.
Description
Technical Field
The invention discloses thermochromic water-based ink for paper materials and a preparation method thereof, and belongs to the technical field of thermochromic ink.
Background
The color-changing ink is an ink which shows different colors at different temperatures, is mainly used for being coated on the surface of paper materials, can change the surface color when the temperature changes, and can be used in anti-counterfeiting marks.
The existing color-changing ink has poor high-temperature resistance, and the temperature-sensing color-changing water-based ink is an unstable system because the temperature-sensing color-changing water-based ink is easy to change.
The thermochromic water-based ink is generally coated on the surface of a paper material and used as an anti-counterfeiting mark, and can be generally detected by using a high-temperature baking mode in order to detect whether the surface of the paper is coated with the thermochromic water-based ink, and the conventional thermochromic water-based ink cannot be detected next time due to fading failure caused by overhigh temperature in the process, so that the use of the device is influenced.
Therefore, the thermochromic water-based ink for paper materials and the preparation method thereof are designed and produced so as to solve the problems.
Disclosure of Invention
The invention aims to solve the technical problem that most of the existing hot-melt adhesive powder has an unobvious effect on the aspect of sublimation prevention, and provides a thermochromic water-based ink for paper materials, so that the problems are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a thermochromic water-based ink for paper materials comprises the following raw materials: the water-based high-temperature-resistant acrylic emulsion comprises 60-80% by mass of water-based high-temperature-resistant acrylic emulsion, 1-10% by mass of temperature-sensitive reversible toner and 20-30% by mass of auxiliary agent.
Preferably, the auxiliary agent comprises a wetting agent, a defoaming agent and a connecting material, wherein the mass ratio of the wetting agent is 1-5%, the mass ratio of the defoaming agent is 5-10%, and the mass ratio of the connecting material is 10-20%, so that the pigment can obtain other characteristics.
Preferably, the thermochromic reversible toner is a microencapsulated reversible thermochromic material, and is formed by mixing plastic particles and thermochromic aqueous ink by extrusion molding so as to change color conveniently.
Preferably, the wetting agent is mercaptan, so that the solid pigment is more easily wetted by water, and the color-changing water-based ink is conveniently dissolved in water and is conveniently used during coating.
Preferably, the defoaming agent is tributyl phosphate, which can reduce the surface tension of water, solution and suspension and prevent the formation of foam in the color-changing water-based ink.
Preferably, the connecting materials are ethanol and rosin resin, so that different materials can be mixed with each other conveniently.
Preferably, the preparation method of the thermochromic water-based ink for paper materials comprises the following preparation steps:
(1) Firstly, stirring 1-5% of wetting agent, 5-10% of defoaming agent and 10-20% of binder at 100 ℃ to fully mix the wetting agent, the defoaming agent and the binder into an auxiliary agent, and standing for use;
(2) Then mixing and stirring 60-80% of water-based high-temperature-resistant acrylic emulsion, 1-10% of temperature-sensitive reversible toner and 20-30% of auxiliary agent by using a stirring device;
(3) And finally, drying the prepared thermochromic water-based ink, and placing the dried thermochromic water-based ink in a heat-resistant and light-resistant storage device.
Compared with the prior art, the invention has the following beneficial effects:
the water-based high-temperature-resistant acrylic emulsion is used, so that the color-changing water-based ink has better high-temperature resistance, the color-changing water-based ink is prevented from fading and losing efficacy at high temperature and influencing the use, the solid pigment is more easily wetted by water by using the wetting agent, the color-changing water-based ink is convenient to dissolve in water and is convenient to use during coating, the surface tension of water, solution and suspension is reduced by using the defoaming agent, the foam in the color-changing water-based ink is prevented from forming, and different materials are convenient to mix with each other by using the connecting material.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
A thermochromic water-based ink for paper materials and a preparation method thereof comprise the following raw materials in mass: the high-temperature-resistant color-changeable water-based ink comprises, by weight, 60% -80% of water-based high-temperature-resistant acrylic emulsion, 1% -10% of temperature-sensitive reversible color powder and 20% -30% of an auxiliary agent, the high-temperature-resistant capability of the temperature-sensitive reversible color powder is increased conveniently by using the water-based high-temperature-resistant acrylic emulsion, the capability of dissolving the color-changeable water-based ink in water is increased by using the auxiliary agent, bubbles are prevented from being generated in the color-changeable water-based ink, and the color-changeable water-based ink is convenient to be adhered and coated on the surface of a paper material and is convenient to use.
The auxiliary agent comprises 1-5% of wetting agent, 5-10% of defoaming agent and 10-20% of connecting material, the wetting agent is mercaptan, the defoaming agent is tributyl phosphate, and the connecting material is ethanol and rosin resin, so that various performances of the thermochromic water-based ink can be conveniently improved.
The temperature-sensitive reversible color-changing powder is a microencapsulated reversible temperature-sensitive color-changing substance, is formed by mixing plastic particles and temperature-sensitive color-changing water-based ink through extrusion molding, and cannot use an internal mixer, a kneader and a high-speed dispersion machine, and high-shear equipment such as a double-screw extruder is used for premixing the plastic particles and the temperature-sensitive color-changing water-based ink, and the equipment can seriously damage a protective layer on the surface of the temperature-sensitive color-changing water-based ink to cause the temperature-sensitive color-changing water-based ink to lose color-changing performance.
Example 2
When the temperature-sensing color-changing water-based ink is prepared, firstly, under the condition of 100 ℃, 1-5% of wetting agent, 5-10% of defoaming agent and 10-20% of connecting material are stirred to be fully mixed into an auxiliary agent, the auxiliary agent is kept stand and used, then a stirring device is used for adding 60-80% of water-based high-temperature-resistant acrylic emulsion, 1-10% of temperature-sensing reversible color powder and the auxiliary agent prepared in the previous step according to 20-30% of the weight, after the mixing and stirring are completed, the prepared temperature-sensing color-changing water-based ink is separated and dried, and then the obtained product is placed into a heat-resistant and light-resistant storage device for storage.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The thermochromic water-based ink for the paper material is characterized by comprising the following raw materials in parts by weight: the high-temperature-resistant water-based paint comprises, by mass, 60% -80% of a water-based high-temperature-resistant acrylic emulsion, 1% -10% of a temperature-sensitive invertible toner and 20% -30% of an auxiliary agent.
2. The thermochromic aqueous ink for paper materials as claimed in claim 1, wherein the assistant comprises a wetting agent, a defoaming agent and a binder, the wetting agent accounts for 1-5% by mass, the defoaming agent accounts for 5-10% by mass, and the binder accounts for 10-20% by mass.
3. The thermochromic aqueous ink for paper materials according to claim 1, wherein the thermochromic reversible toner is a microencapsulated reversible thermochromic substance formed by mixing and extrusion using plastic particles and thermochromic aqueous ink.
4. The thermochromic aqueous ink for paper materials according to claim 1 wherein the wetting agent is a thiol.
5. The thermochromic aqueous ink for paper material according to claim 1, wherein the defoamer is tributyl phosphate.
6. The thermochromic aqueous ink for paper materials according to claim 1 wherein the binder is ethanol and rosin resin.
7. The preparation method of the thermochromic aqueous ink for paper materials, which is the thermochromic aqueous ink for paper materials according to claim 1, is characterized by comprising the following preparation steps of:
(1) Firstly, stirring 1-5% of wetting agent, 5-10% of defoaming agent and 10-20% of binder at 100 ℃ to fully mix the wetting agent, the defoaming agent and the binder into an auxiliary agent, and standing for use;
(2) Then mixing and stirring 60-80% of water-based high-temperature-resistant acrylic emulsion, 1-10% of temperature-sensitive reversible toner and 20-30% of auxiliary agent by using a stirring device;
(3) And finally, drying the prepared thermochromic water-based ink, and storing the dried thermochromic water-based ink in a heat-resistant and light-resistant storage device.
Priority Applications (1)
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CN202211034238.7A CN115353772A (en) | 2022-08-26 | 2022-08-26 | Thermochromic water-based ink for paper material and preparation method thereof |
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CN202211034238.7A CN115353772A (en) | 2022-08-26 | 2022-08-26 | Thermochromic water-based ink for paper material and preparation method thereof |
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CN202211034238.7A Pending CN115353772A (en) | 2022-08-26 | 2022-08-26 | Thermochromic water-based ink for paper material and preparation method thereof |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106118276A (en) * | 2016-08-12 | 2016-11-16 | 深圳市鑫太庆科技有限公司 | A kind of black temperature becomes paint |
CN111100504A (en) * | 2020-01-23 | 2020-05-05 | 上海保立佳新材料有限公司 | Water-based high-temperature-resistant ink for thermal paper printing and preparation method thereof |
CN113234358A (en) * | 2021-06-07 | 2021-08-10 | 江苏唐彩新材料科技股份有限公司 | Water-based flexo printing temperature-variable anti-counterfeiting ink and preparation method thereof |
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2022
- 2022-08-26 CN CN202211034238.7A patent/CN115353772A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106118276A (en) * | 2016-08-12 | 2016-11-16 | 深圳市鑫太庆科技有限公司 | A kind of black temperature becomes paint |
CN111100504A (en) * | 2020-01-23 | 2020-05-05 | 上海保立佳新材料有限公司 | Water-based high-temperature-resistant ink for thermal paper printing and preparation method thereof |
CN113234358A (en) * | 2021-06-07 | 2021-08-10 | 江苏唐彩新材料科技股份有限公司 | Water-based flexo printing temperature-variable anti-counterfeiting ink and preparation method thereof |
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Application publication date: 20221118 |
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