CN111171738A - Reversible multistage temperature-change color development label material and preparation method thereof - Google Patents

Reversible multistage temperature-change color development label material and preparation method thereof Download PDF

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Publication number
CN111171738A
CN111171738A CN201911255665.6A CN201911255665A CN111171738A CN 111171738 A CN111171738 A CN 111171738A CN 201911255665 A CN201911255665 A CN 201911255665A CN 111171738 A CN111171738 A CN 111171738A
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China
Prior art keywords
change color
color
temperature
transparent
pet film
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Pending
Application number
CN201911255665.6A
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Chinese (zh)
Inventor
周荣杰
司徒灼铝
王益刚
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Shenzhen Changmao Mucilage Glue New Material Co ltd
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Shenzhen Changmao Mucilage Glue New Material Co ltd
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Priority to CN201911255665.6A priority Critical patent/CN111171738A/en
Publication of CN111171738A publication Critical patent/CN111171738A/en
Pending legal-status Critical Current

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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
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/22—Plastics; Metallised plastics
    • C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
    • C09J7/255—Polyesters
    • 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
    • C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
    • 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
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/04—Homopolymers or copolymers of esters
    • C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09J133/10—Homopolymers or copolymers of methacrylic acid esters
    • C09J133/12—Homopolymers or copolymers of methyl methacrylate
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
    • 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
    • C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/334—Applications of adhesives in processes or use of adhesives in the form of films or foils as a label
    • 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
    • C09J2433/00—Presence of (meth)acrylic polymer
    • 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
    • C09J2467/00—Presence of polyester
    • C09J2467/005—Presence of polyester in the release coating
    • 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
    • C09J2467/00—Presence of polyester
    • C09J2467/006—Presence of polyester in the substrate

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

The invention provides a reversible multistage temperature change color development label material and a preparation method thereof, and the label material comprises the following components from top to bottom: the printing ink comprises a multi-section temperature change color development transparent printing ink, a transparent PET film, high-viscosity acrylic glue and a transparent PET film release bottom; the multi-section temperature-change color-development transparent ink comprises the following raw materials: the temperature sensing color changing material, low molecular weight liquid crystal polymer and graphene; the thermochromic material comprises 3-5 parts of leuco dye and 20-40 parts of compounding agent by weight; the main structure of the complexing agent is zinc salt of- [ -O-CONH- ] n-, and n is 10-20; the preparation method of the multi-section temperature change color development transparent ink comprises the following steps: mixing a low-molecular-weight liquid crystal polymer and graphene in a solvent, evaporating the solvent, crushing, and uniformly mixing with a thermochromic material.

Description

Reversible multistage temperature-change color development label material and preparation method thereof
Technical Field
The invention belongs to the field of membrane materials, and particularly relates to a reversible multistage temperature change color development label material and a preparation method thereof.
Background
The temperature change label is a common anti-counterfeiting label on the market, but the temperature change function is not only used for anti-counterfeiting, and a multi-section temperature change color development function of the temperature change ink can be utilized to achieve a function of detecting the ambient temperature, so that an early warning effect is achieved.
The thermosensitive color-changing ink used in the product is prepared by an electron transfer type organic compound system. The electron transfer type organic compound is an organic color system with a special chemical structure. The molecular structure of the organic substance is changed by electron transfer at a specific temperature, thereby realizing color conversion. The color-change temperature of the thermochromic ink is not a temperature point but a temperature range, that is, a temperature range included from the start of color change to the end of color change. The width of the temperature interval is generally 4-6 ℃, the label uses a variety with higher precision, and the color change temperature interval is narrower and is only 2-3 ℃.
In some functional labels of products with higher requirements on environmental temperature, such as high-grade wine, cigarettes, flowers, fruits and the like, color development can be formulated in a required temperature interval, such as setting: green-yellow, yellow-red and red-black, (temperature: 20, 30, 40 and 50), the label can display corresponding colors according to the temperature environment, can also display colors in multiple sections according to temperature multiple-section change, can play a role in detecting the environment temperature, and ensures that the product can be stored under proper conditions.
Disclosure of Invention
The invention provides a reversible multi-section temperature-change color development label material and a preparation method thereof, which are applied to anti-counterfeit labels, high-grade wine, cigarettes and other storage environment early warning labels.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
a reversible multi-stage temperature-change color development label material comprises the following components from top to bottom: the printing ink comprises a multi-section temperature change color development transparent printing ink, a transparent PET film, high-viscosity acrylic glue and a transparent PET film release bottom; the multi-section temperature-change color-development transparent ink comprises the following raw materials: the temperature sensing color changing material, low molecular weight liquid crystal polymer and graphene; the thermochromic material comprises 3-5 parts of leuco dye and 20-40 parts of compounding agent by weight; the main structure of the complexing agent is zinc salt of- [ -O-CONH- ] n-, and n is 10-20; the preparation method of the multi-section temperature change color development transparent ink comprises the following steps: mixing a low-molecular-weight liquid crystal polymer and graphene in a solvent, evaporating the solvent, crushing, and uniformly mixing with a thermochromic material.
Further, the leuco dye comprises any of 2-dibenzylamino-6-diethylaminofluorane capable of developing green, 6-dimethylamino-3, 3-bis (4-dimethylaminophenyl) phthalide capable of developing blue, spiro [ isobenzofuran-1 (3H),9(9H) xanthene ] -2-carboxylic acid-6- (diethylamino) -3-oxo-ethyl ester capable of developing orange or red, 1, 3-dimethyl-6-diethylaminofluorane capable of developing orange, 3-bis (1-butyl-2-methyl-1H-indol-3-yl) -1(3H) -isobenzofuranone capable of developing red, and 7-phenylamino-3-diethylamino-6-methylfluorane capable of developing black One or a mixture of several.
Further, the low molecular weight liquid crystal polymer is a succinimide and polyurethane polymer having a molecular weight of 400-500.
Further, the ratio of the thermochromic material, the low-molecular-weight liquid crystal polymer and the graphene in the multi-stage temperature-change color-development transparent ink is 10:100: 1.
A preparation method of a reversible multistage temperature change color development label material comprises the following steps:
(1) carrying out surface plasma impact treatment on a 50-micron transparent PET film on the surface by using a plasma processor with nitrogen and 120KW power, wherein the reinforced surface energy is more than 44; coating the multi-section temperature-change color-development transparent ink on an intaglio printing machine, wherein the printing thickness of the ink is controlled to be 8-10 mu m;
(2) uniformly coating the high-viscosity acrylic glue on a release surface of a release bottom of a 80-gram transparent PET film with a release function by using professional scraper type coating equipment, wherein the coating thickness is 23 mu m, and drying at high temperature (110 ℃ and 3MIN) to completely cure the high-viscosity acrylic glue;
(3) and (3) adhering the release surface of the release bottom of the transparent PET film obtained in the step (2) to the non-coating surface of the transparent PET film with the thickness of 50 microns, and coiling the prepared product to obtain the reversible multistage temperature change color developing label.
The invention has the beneficial effects that:
products of the invention
1. Reversible multi-section temperature-change color development, and the temperature-change color of the interval can be set between-20 ℃ and 100 ℃ according to requirements: generally, the color change temperature of common thermosensitive color change ink is below 100 ℃, corresponding color is difficult to display when the temperature exceeds 100 ℃, common color change is single-stage color change, and the multi-stage temperature color change is realized by matching graphene with low-molecular liquid crystal polymer and selecting specific color change materials.
2. The adhesive is high in viscosity, can be adhered to an adhered object, has the adhesive force of more than 1.2Kgf/25mm, and is environment-friendly and pollution-free. The label can set different temperature intervals to display different colors in DIY, so as to achieve the effect of detecting temperature.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Any modifications that can be easily made by a person skilled in the art to the present invention without departing from the technical solutions of the present invention will fall within the scope of the claims of the present invention.
Example 1
A reversible multi-stage temperature-change color development label material comprises the following components from top to bottom: the printing ink comprises a multi-section temperature change color development transparent printing ink, a transparent PET film, high-viscosity acrylic glue and a transparent PET film release bottom; the multi-section temperature-change color-development transparent ink comprises the following raw materials: the temperature sensing color changing material, low molecular weight liquid crystal polymer and graphene; the thermochromic material comprises 3-5 parts of leuco dye and 20-40 parts of compounding agent by weight; the main structure of the complexing agent is zinc salt of- [ -O-CONH- ] n-, and n is 10-20; the preparation method of the multi-section temperature change color development transparent ink comprises the following steps: mixing a low-molecular-weight liquid crystal polymer and graphene in a solvent, evaporating the solvent, crushing, and uniformly mixing with a thermochromic material.
The leuco dye is 2-dibenzylamino-6-diethylaminofluorane capable of showing green and 3, 3-bis (1-butyl-2-methyl-1H-indol-3-yl) -1(3H) -isobenzofuranone capable of showing red in a ratio of 1: 1. The low molecular weight liquid crystal polymer is a succinimide and polyurethane polymer with the molecular weight of 400-500. The ratio of the thermochromic material, the low-molecular-weight liquid crystal polymer and the graphene in the multi-section temperature-change color-development transparent ink is 10:100: 1.
A preparation method of a reversible multistage temperature change color development label material comprises the following steps:
(1) carrying out surface plasma impact treatment on a 50-micron transparent PET film on the surface by using a plasma processor with nitrogen and 120KW power, wherein the reinforced surface energy is more than 44; coating the multi-section temperature-change color-development transparent ink on an intaglio printing machine, wherein the printing thickness of the ink is controlled to be 8-10 mu m;
(2) uniformly coating the high-viscosity acrylic glue on a release surface of a release bottom of a 80-gram transparent PET film with a release function by using professional scraper type coating equipment, wherein the coating thickness is 23 mu m, and drying at high temperature (110 ℃ and 3MIN) to completely cure the high-viscosity acrylic glue;
(3) and (3) adhering the release surface of the release bottom of the transparent PET film obtained in the step (2) to the non-coating surface of the transparent PET film with the thickness of 50 microns, and coiling the prepared product to obtain the reversible multistage temperature change color developing label.
Comparative example 1
Same as example 1 except that no low molecular weight liquid crystalline polymer was added.
Comparative example 2
Same as example 1 except that the low molecular weight liquid crystalline polymer was 1000 molecular weight.
Comparative example 3
Same as example 1 except that the low molecular weight liquid crystalline polymer was 200 molecular weight.
Comparative example 4
Same as example 1 except that no graphene was added.
Comparative example 5
Same as example 1 except that no compounding agent was added.
Comparative example 6
Same as example 1 except that the main structure of the complexing agent is zinc salt of- [ -O-CONH- ] n-, n is 5.
TABLE 1
Colour at-20 ℃ Color at 25 deg.C Color at 60 ℃ Colour at 100 ℃
Example 1 Primary color Green Red wine Yellow colour
Comparative example 1 Primary color Green Yellow colour Color fading
Comparative example 2 Primary color Green Red wine Red wine
Comparative example 3 Primary color Green Yellow colour Yellow colour
Comparative example 4 Primary color Green Red wine Color fading
Comparative example 5 Primary color Primary color Primary color Color fading
Comparative example 6 Primary color Green Green Yellow colour
The data of the embodiment and the comparative example show that the technical scheme of the invention can show three colors and has good effect at high temperature, and the conjecture is that the specific liquid crystal polymer can generate crystal or disordered arrangement at certain temperature, so that transparent and opaque effects are generated, the penetration and the transmission of light and electrons are facilitated, the compounding graphene generates an excitation effect on the compounding agent at high temperature, so that the leuco dye generates color, and the type of the compounding agent and the type of the liquid crystal polymer are very critical factors.

Claims (5)

1. A reversible multistage temperature-sensitive color-developing label material is characterized in that: from top to bottom: the printing ink comprises a multi-section temperature change color development transparent printing ink, a transparent PET film, high-viscosity acrylic glue and a transparent PET film release bottom; the multi-section temperature-change color-development transparent ink comprises the following raw materials: the temperature sensing color changing material, low molecular weight liquid crystal polymer and graphene; the thermochromic material comprises 3-5 parts of leuco dye and 20-40 parts of compounding agent by weight; the main structure of the complexing agent is zinc salt of- [ -O-CONH- ] n-, and n is 10-20; the preparation method of the multi-section temperature change color development transparent ink comprises the following steps: mixing a low-molecular-weight liquid crystal polymer and graphene in a solvent, evaporating the solvent, crushing, and uniformly mixing with a thermochromic material.
2. The reversible multistage temperature-change color development label material according to claim 1, characterized in that: the leuco dye comprises any one or more of 2-dibenzylamino-6-diethylaminofluorane capable of showing green color, 6-dimethylamino-3, 3-bis (4-dimethylaminophenyl) phthalide capable of showing blue color, spiro [ isobenzofuran-1 (3H),9(9H) xanthene ] -2-carboxylic acid-6- (diethylamino) -3-oxo-ethyl ester capable of showing orange color or red color, 1, 3-dimethyl-6-diethylaminofluorane capable of showing orange color, 3-bis (1-butyl-2-methyl-1H-indol-3-yl) -1(3H) -isobenzofuranone capable of showing red color, and 7-phenylamino-3-diethylamino-6-methylfluorane capable of showing black color And (3) mixing.
3. The reversible multistage temperature change color development label material according to claim 1, characterized in that the low molecular weight liquid crystal polymer is a succinimide and polyurethane polymer with molecular weight of 400-500.
4. The reversible multistage temperature-change color development label material according to claim 1, characterized in that: the ratio of the thermochromic material, the low-molecular-weight liquid crystal polymer and the graphene in the multi-section temperature-change color-development transparent ink is 10:100: 1.
5. A preparation method of a reversible multistage temperature-change color-developing label material is characterized by comprising the following steps:
(1) carrying out surface plasma impact treatment on a 50-micron transparent PET film on the surface by using a plasma processor with nitrogen and 120KW power, wherein the reinforced surface energy is more than 44; coating the multi-section temperature-change color-development transparent ink on an intaglio printing machine, wherein the printing thickness of the ink is controlled to be 8-10 mu m;
(2) uniformly coating the high-viscosity acrylic glue on the release surface of a release bottom of a 80-gram transparent PET film with a release function by using professional scraper type coating equipment, wherein the coating thickness is 23 mu m, and drying at the high temperature of 110 ℃ for 3MIN to completely cure the high-viscosity acrylic glue;
(3) and (3) adhering the release surface of the release bottom of the transparent PET film obtained in the step (2) to the non-coating surface of the transparent PET film with the thickness of 50 microns, and coiling the prepared product to obtain the reversible multistage temperature change color developing label.
CN201911255665.6A 2019-12-10 2019-12-10 Reversible multistage temperature-change color development label material and preparation method thereof Pending CN111171738A (en)

Priority Applications (1)

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CN201911255665.6A CN111171738A (en) 2019-12-10 2019-12-10 Reversible multistage temperature-change color development label material and preparation method thereof

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CN201911255665.6A CN111171738A (en) 2019-12-10 2019-12-10 Reversible multistage temperature-change color development label material and preparation method thereof

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205175571U (en) * 2015-11-26 2016-04-20 上海鸿涛纸制品有限公司 Temperature test label

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205175571U (en) * 2015-11-26 2016-04-20 上海鸿涛纸制品有限公司 Temperature test label

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Application publication date: 20200519