CN112029438B - Color-changing adhesive tape - Google Patents
Color-changing adhesive tape Download PDFInfo
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- CN112029438B CN112029438B CN202010818110.4A CN202010818110A CN112029438B CN 112029438 B CN112029438 B CN 112029438B CN 202010818110 A CN202010818110 A CN 202010818110A CN 112029438 B CN112029438 B CN 112029438B
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- color
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- adhesive tape
- ink
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/50—Adhesives in the form of films or foils characterised by a primer layer between the carrier and the adhesive
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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
- C09D11/02—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
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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
- C09D11/50—Sympathetic, colour changing or similar inks
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
Abstract
The invention relates to a color-changing adhesive tape which comprises a transparent base layer and an adhesive layer, wherein the adhesive layer is bonded on the bottom surface of the transparent base layer, a color-changing material is arranged on the transparent base layer, the color-changing material comprises three types of materials, namely color-changing ink, a thermosensitive material and a photosensitive material, the color-changing ink is water-based silk-screen ink, the water-based silk-screen ink is printed on the top surface of the transparent base layer to form a first printing layer, the thermosensitive material is a thermosensitive color-changing microcapsule, the adhesive layer is formed by mixing the thermosensitive color-changing microcapsule with an adhesive and is coated on the bottom surface of the transparent base layer in a melting manner, the photosensitive material is photosensitive MC powder, and the photosensitive MC powder is mixed in the ink and is printed on the top surface of the transparent base layer to form a second printing layer. The invention has the following beneficial effects: the color-changing glass has the characteristics of changing color when meeting water, changing color along with temperature and changing color when meeting strong light, is convenient for quick inspection and maintenance, and is beneficial to popularization.
Description
Technical Field
The invention relates to the technical field of adhesive tape manufacturing, in particular to a color-changing adhesive tape.
Background
The adhesive tape is an indispensable stationery in daily life, and is used for adhering envelopes, packages, boxes and other adhering purposes every day in companies or families, so that the adhesive tape can be called a large amount of consumables in daily life.
In the early days, all the adhesive tapes have monotonous and unchangeable appearance and color, except for the transparent adhesive tape, the adhesive tape is an opaque adhesive tape, namely, the adhesive tape only needs to have an adhesive effect, but the development of the subsequent adhesive tape is towards diversified development in appearance, for example, various colors are added on the basic adhesive material in an electroplating way to distinguish products, and the colors are generated in an electroplating way to have brightness, but the brightness cannot be changed due to different incident lights. In addition, laser is utilized to add various patterns to the basic adhesive material, such as cartoon patterns or trademark patterns representing companies, for the purpose of stimulating the purchase desire of consumers.
However, in the prior art, no adhesive tape has the functions of changing color when meeting water, changing color along with temperature and changing color when meeting strong light, and the adhesive tape which has various functions of detecting the environment where the coated and stuck product is located has wide market prospect.
Disclosure of Invention
The invention aims to solve the problems in the background art, and provides a color-changing adhesive tape which has the characteristics of changing color when meeting water, changing color along with temperature and changing color when meeting strong light, is convenient to quickly inspect and maintain, and is favorable for popularization.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the utility model provides a sticky tape discolours, includes transparent basic unit and viscose layer, transparent basic unit bottom surface bond the viscose layer, transparent basic unit on be equipped with the color-changing material, the color-changing material include the material of three types of color-changing ink, thermal sensitive material and photosensitive material, color-changing ink be aqueous silk screen printing ink, aqueous silk screen printing ink print and form printing layer one at transparent basic unit top surface, the thermal sensitive material be the temperature sensing microcapsule that discolours, temperature sensing microcapsule mixed adhesive that discolours form viscose layer melting coating in transparent basic unit bottom surface, the photosensitive material be sensitization MC powder, the mixing of sensitization MC powder print in printing ink and form printing layer two at transparent basic unit top surface.
Furthermore, the water-based silk-screen printing ink is a uniform slurry-like substance formed by mixing a connecting material, a pigment and an auxiliary agent.
Further, the mixing ratio of the connecting material, the pigment and the auxiliary agent is 30:10:1 according to the mass ratio.
Furthermore, the water-based screen printing ink binder is a water-soluble acrylic acid modified resin material, the pigment is one of phthalocyanine blue, permanent yellow, pigment red and titanium dioxide, and the auxiliary agent comprises a leveling agent, a dispersing agent and an antifoaming agent.
Further, the thermosensitive material specifically comprises the following preparation steps: 1) preparing a thermosensitive color-changing material: weighing 0.5g of crystal violet lactone, 1g of stearic acid and 15g of tetradecanol according to the mass ratio of 1: 2: 30, adding into a beaker, heating to 80 ℃ by using a water bath, and stirring for reaction for 10min to obtain a thermosensitive discoloring material;
2) preparing a thermosensitive color-changing microcapsule: A. preparation of melamine resin prepolymer: weighing 12.6g of melamine and 28mL of 37% formaldehyde solution according to the ratio of 1: 3 of melamine to formaldehyde, mixing, adjusting the pH value to 8-9 with triethanolamine aqueous solution, stirring, heating to 60 ℃, reacting until the melamine is completely dissolved, diluting with water with the same volume as the formaldehyde, and continuing to react for 10min to obtain aqueous solution of melamine resin prepolymer;
B. and (3) forming of the microcapsule: keeping the temperature of the thermochromic material in the step 1 at 70 ℃, dropping the thermochromic material into 40mL of water containing 0.7g of Tween 80 at 70 ℃, performing ultrasonic emulsification, wherein the ultrasonic frequency is 100Hz, the temperature is 70 ℃, the time is 20min, adding the prepolymer into the emulsion according to the mass ratio of 50% of the core material content, adding 4g of 0.5% xanthan gum aqueous solution as a protective colloid, adjusting the pH value of the system to 4-5 by using a hydrochloric acid solution, reacting for 2.5h at 70 ℃ and 480r/min, cooling, filtering, washing and drying.
Furthermore, the photosensitive MC powder is processed by a microcapsule technology, is powdery in appearance and has a particle size of 1-10 mu m.
The beneficial effects of the invention are: the invention arranges a first printing layer on a transparent base layer, which is white by adopting water-based silk-screen printing ink material, has the characteristics of changing into transparency when meeting water and reducing after drying, can detect the condition of the adhesive tape when meeting water in the using process, displays the temperature area of the packaging surface of the adhesive tape by changing color through heat sensitivity by mixing heat sensitive material in an adhesive layer, is convenient for quick inspection and maintenance and is beneficial to popularization.
Drawings
FIG. 1 is a schematic diagram of the present invention.
FIG. 2 is a schematic diagram of the structure of the transparent substrate layer of the present invention.
Fig. 3 is a schematic structural view of the adhesive layer of the present invention.
As shown in the figure: 1. the printing film comprises a transparent base layer, 2, an adhesive layer, 3, printing layers I and 4 and a printing layer II.
Detailed Description
The invention is illustrated below by means of specific examples, without being restricted thereto.
Example one
Preparing water-based screen printing ink: mixing water-soluble acrylic modified resin, white pigment and an auxiliary agent according to a mass ratio of 30:10:1, wherein the auxiliary agent comprises a flatting agent, a dispersing agent and a defoaming agent;
preparing a first printing layer: printing a printing layer on the peripheral area of the top surface of the transparent base layer, wherein the printing ink during printing is water-based silk-screen printing ink;
preparing a second printing layer: printing a printing layer on the inner ring of the peripheral area of the top surface of the transparent base layer, wherein the printing ink is photosensitive ink mixed with photosensitive MC powder in the printing ink;
preparing a heat-sensitive material: 1) preparing a thermosensitive color-changing material: weighing 0.5g of crystal violet lactone, 1g of stearic acid and 15g of tetradecanol according to the mass ratio of 1: 2: 30, adding into a beaker, heating to 80 ℃ by using a water bath, and stirring for reaction for 10min to obtain a thermosensitive discoloring material;
2) preparing a thermosensitive color-changing microcapsule: A. preparation of melamine resin prepolymer: weighing 12.6g of melamine according to the ratio of melamine to formaldehyde of 1: 3, weighing 28mL of 37% formaldehyde solution, mixing, adjusting the pH value to 8-9 with triethanolamine aqueous solution, stirring, heating to 60 ℃, reacting until the melamine is completely dissolved, diluting with water with the same volume as the formaldehyde, and continuously reacting for 10min to obtain aqueous solution of melamine resin prepolymer;
B. And (3) forming of the microcapsule: keeping the temperature of the thermochromic material in the step 1 at 70 ℃, dropping the thermochromic material into 40mL of water containing 0.7g of Tween 80 at 70 ℃, performing ultrasonic emulsification, wherein the ultrasonic frequency is 100Hz, the temperature is 70 ℃, the time is 20min, adding the prepolymer into the emulsion according to the mass ratio of 50% of the core material content, adding 4g of 0.5% xanthan gum aqueous solution as a protective colloid, adjusting the pH value of the system to 4-5 by using a hydrochloric acid solution, reacting for 2.5h at 70 ℃ and 480r/min, cooling, filtering, washing and drying.
Preparing a finished product of the color-changing adhesive tape: and mixing the thermosensitive material in the adhesive, and melting and coating the thermosensitive material on the bottom surface of the transparent base layer to obtain a finished product of the color-changing adhesive tape.
And (3) recording an experiment:
TABLE 1 characteristics of aqueous screen inks prepared with different binders
| Maleic acid resin | Urethane (meth) acrylate | Resin composition | Aqueous amino resin | Carboxymethyl cellulose | Water-soluble acrylic resin |
| Pigment dispersibility | In | In | Good wine | Good wine | Superior food |
| Printing adaptation | In | In | In | Good wine | Superior food |
| Wet rub resistance | In | In | Good wine | In | Superior food |
| Dry rub resistance | Difference (D) | In | Difference (D) | In | Superior food |
| Ink stability | In | Good wine | In | In | Superior food |
| Heat resistance | Difference (D) | Difference (D) | In | In | Excellence in |
| Water resistance | Difference (D) | Difference (D) | In | Difference (D) | Superior food |
| Colorability | In | In | Difference (D) | In | Good wine |
| Gloss of | Difference (D) | Difference (D) | In | Difference (D) | Good wine |
As shown in table 1, the water-soluble acrylic modified resin used as the binder of the water-based ink has significant advantages in gloss, weather resistance, heat resistance, water resistance, chemical resistance, and stain resistance.
TABLE 2 test for dissolving thermochromic materials and microcapsules thereof using organic solvents and acid-base solutions
As can be seen from Table 2, the non-microencapsulated thermochromic material can be dissolved in the organic solvents and the acid-base solutions, the thermochromic material loses the color change property, but the microcapsules wrapping the thermochromic material are not dissolved, and experiments prove that the chemical stability of the thermochromic material is greatly improved after microencapsulation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a sticky tape discolours, its characterized in that includes transparent basic unit (1) and viscose layer (2), transparent basic unit (1) bottom surface bond viscose layer (2), transparent basic unit (1) on be equipped with the color-changing material, the color-changing material include the material of three types of color-changing ink, thermal sensitive material and photosensitive material, color-changing ink be aqueous silk screen printing ink, aqueous silk screen printing ink print form printing layer (3) at transparent basic unit (1) top surface, the thermal sensitive material be the thermochromic microcapsule, thermochromic microcapsule mixed adhesive form viscose layer (2) melting coating in transparent basic unit (1) bottom surface, the photosensitive material be sensitization MC powder, the mixture of sensitization MC powder print in printing ink and form printing layer two (4) at transparent basic unit (1) top surface.
2. The color-changing adhesive tape according to claim 1, wherein: the water-based screen printing ink is a uniform slurry-like substance formed by mixing a connecting material, a pigment and an auxiliary agent.
3. The color-changing adhesive tape according to claim 2, wherein: the mixing ratio of the connecting material, the pigment and the auxiliary agent is 30:10: 1.
4. The color-changing adhesive tape according to claim 2, wherein: the water-based screen printing ink binder is made of a water-soluble acrylic acid modified resin material, the pigment is one of phthalocyanine blue, permanent yellow, pigment red and titanium dioxide, and the auxiliary agent comprises a leveling agent, a dispersing agent and a defoaming agent.
5. A color-changing adhesive tape according to claim 1, wherein said heat-sensitive material comprises the following steps: 1) preparing a thermosensitive color-changing material: weighing 0.5g of crystal violet lactone, 1g of stearic acid and 15g of tetradecanol according to the mass ratio of 1: 2: 30, adding into a beaker, heating to 80 ℃ by using a water bath, and stirring for reaction for 10min to obtain a thermosensitive discoloring material;
2) preparing a thermochromic microcapsule: A. preparation of melamine resin prepolymer: weighing 12.6g of melamine and 28mL of 37% formaldehyde solution according to the ratio of 1: 3 of melamine to formaldehyde, mixing, adjusting the pH value to 8-9 with triethanolamine aqueous solution, stirring, heating to 60 ℃, reacting until the melamine is completely dissolved, diluting with water with the same volume as the formaldehyde, and continuing to react for 10min to obtain aqueous solution of melamine resin prepolymer;
B. And (3) forming of the microcapsule: keeping the temperature of the thermochromic material in the step 1) at 70 ℃, dripping the thermochromic material into 40mL of water containing 0.7g of Tween 80 at 70 ℃, performing ultrasonic emulsification, performing ultrasonic frequency of 100Hz, keeping the temperature at 70 ℃ for 20min, adding the prepolymer into the emulsion according to the mass ratio of 50% of the core material content, adding 4g of 0.5% xanthan gum aqueous solution serving as protective colloid, adjusting the pH value of the system to 4-5 by using hydrochloric acid solution, reacting for 2.5h at 70 ℃ and 480r/min, cooling, filtering, washing and drying.
6. The color-changing adhesive tape according to claim 1, wherein: the photosensitive MC powder is processed by a microcapsule technology, is powdery in appearance and has a particle size of 1-10 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010818110.4A CN112029438B (en) | 2020-08-14 | 2020-08-14 | Color-changing adhesive tape |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010818110.4A CN112029438B (en) | 2020-08-14 | 2020-08-14 | Color-changing adhesive tape |
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| Publication Number | Publication Date |
|---|---|
| CN112029438A CN112029438A (en) | 2020-12-04 |
| CN112029438B true CN112029438B (en) | 2022-07-19 |
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| CN202010818110.4A Active CN112029438B (en) | 2020-08-14 | 2020-08-14 | Color-changing adhesive tape |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114324198B (en) * | 2021-12-16 | 2023-11-14 | 重庆冠宇电池有限公司 | Battery cell dispensing quality detection method |
| CN116535902A (en) * | 2023-05-25 | 2023-08-04 | 厦门吉宏包装工业有限公司 | Silk-screen printing ink and product using same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105111953A (en) * | 2015-09-23 | 2015-12-02 | 苏州华周胶带有限公司 | Thermal-sensitive adhesive tape |
| CN107033801A (en) * | 2017-04-18 | 2017-08-11 | 海盐海诚胶粘材料有限公司 | A kind of fire-retardant heat-sensitive variable colour adhesive tape |
| CN107216718A (en) * | 2017-07-22 | 2017-09-29 | 厦门市诚安毅科技有限公司 | A kind of preparation method of temperature-control discoloring ink |
| CN107418462A (en) * | 2017-05-22 | 2017-12-01 | 湖南省湘电试验研究院有限公司 | Preparation method for the adhesive tape of fault diagnosis and the adhesive tape |
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2020
- 2020-08-14 CN CN202010818110.4A patent/CN112029438B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105111953A (en) * | 2015-09-23 | 2015-12-02 | 苏州华周胶带有限公司 | Thermal-sensitive adhesive tape |
| CN107033801A (en) * | 2017-04-18 | 2017-08-11 | 海盐海诚胶粘材料有限公司 | A kind of fire-retardant heat-sensitive variable colour adhesive tape |
| CN107418462A (en) * | 2017-05-22 | 2017-12-01 | 湖南省湘电试验研究院有限公司 | Preparation method for the adhesive tape of fault diagnosis and the adhesive tape |
| CN107216718A (en) * | 2017-07-22 | 2017-09-29 | 厦门市诚安毅科技有限公司 | A kind of preparation method of temperature-control discoloring ink |
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| CN112029438A (en) | 2020-12-04 |
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