CN114023180A - Easily tear double-deck anti-fake in-mould label - Google Patents
Easily tear double-deck anti-fake in-mould label Download PDFInfo
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- CN114023180A CN114023180A CN202111215586.XA CN202111215586A CN114023180A CN 114023180 A CN114023180 A CN 114023180A CN 202111215586 A CN202111215586 A CN 202111215586A CN 114023180 A CN114023180 A CN 114023180A
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Classifications
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- 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
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- 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
- G09F2003/0222—Features for removal or adhesion, e.g. tabs
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- 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
- G09F2003/0257—Multilayer
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
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Abstract
An easy-to-tear double-layer anti-counterfeiting in-mold label comprises a base layer and a printing coating, wherein the printing coating is arranged on the upper side of the base layer; the printing layer comprises a laser layer, a first ink layer, a diffusion coating, a second ink layer, a color-changing layer and a protective layer which are sequentially distributed from bottom to top, and the laser layer, the first ink layer and the second ink layer are different in color. The label in the prior art is improved and combined with an anti-counterfeiting technology, so that the in-mold label has an anti-counterfeiting function, wherein the base layer adopts a biaxially oriented PP film or PP synthetic paper coated with hot melt adhesive, the label can be easily taken off, a trace cannot be left on an application after the label is taken off, the label can be bound with the application, and the anti-counterfeiting function is realized.
Description
Technical Field
The invention belongs to the technical field of in-mold labels, and particularly relates to an easy-to-tear double-layer anti-counterfeiting in-mold label.
Background
In-mold labeling is to put a label printed with a trademark or an image directly into a mold cavity of a mold and to bond the label and a product by blow molding or injection molding. Because the label is integrated with the plastic bottle, the plastic bottle has good durability, can prevent water, oil and mildew, is acid and alkali resistant, is friction-resistant, can be refrigerated and has heat resistance, and is very popular with users. However, the in-mold label in the prior art is only used as a basic label, has single function and needs further innovation and perfection;
the anti-counterfeiting label is a mark which can be glued, printed and transferred on the surface of a target object, package or accessories (such as a commodity hanging plate, a business card and an anti-counterfeiting certificate card) and has an anti-counterfeiting function. The anti-counterfeit label can help consumers to quickly identify the authenticity of commodities in various industries (such as wine industry), protect consumers' rights and interests, help enterprises and users to attack counterfeit products, stop batch counterfeiting, protect enterprise brands and avoid economic loss, and the existing process for combining the two is few at present.
Therefore, the problem that the technical personnel in the field need to solve is to provide an easily-torn double-layer anti-counterfeiting in-mold label.
Disclosure of Invention
In view of the above, the invention provides an easy-to-tear double-layer anti-counterfeiting in-mold label, which is provided with an anti-counterfeiting function by improving a label in the prior art and combining with an anti-counterfeiting technology, wherein a base layer adopts a bidirectional stretching PP film or PP synthetic paper, so that the label can be easily taken off, no trace is left on a pasted object after the label is taken off, the label can be bound with the pasted object, the label has anti-counterfeiting function, and meanwhile, the adopted coating structure has the characteristics of three-dimensional stereo and uncopyable property, enhances the anti-counterfeiting performance and improves the uniqueness of the anti-counterfeiting label.
In order to achieve the purpose, the invention adopts the following technical scheme:
an easy-to-tear double-layer anti-counterfeiting in-mold label comprises a base layer and a printing coating, wherein the printing coating is arranged on the upper side of the base layer;
the printing layer comprises a laser layer, a first ink layer, a diffusion coating, a second ink layer, a color-changing layer and a protective layer which are sequentially distributed from bottom to top, and the laser layer, the first ink layer and the second ink layer are different in color.
The label in the prior art is improved and is combined with an anti-counterfeiting technology, so that the label in the mould has an anti-counterfeiting function, and the adhesive force of the first ink layer and the second ink layer is enhanced by diffusing the coating on the laser layer; through set up first printing ink layer and second printing ink layer on laser layer, present the random sign indicating number of multiple colour, the position that is not covered by first printing ink layer and/or second printing ink layer presents the laser decorative pattern on laser layer, present the random structural feature of different colours and different depths on the anti-fake label that forms promptly simultaneously, and this structural feature is three-dimensional, unique, and can present dynamic colour variation effect along with the change of light, thereby the anti-counterfeiting performance has been improved, and increase the discoloration layer, form the illumination anti-counterfeit marking that discolours, play better anti-counterfeiting effect.
Preferably, the thickness ratio of the base layer to the print coat layer is 2: 1.
preferably, the laser layer is laser card paper, and the ground color is silver.
Preferably, the diffusion coating is a transparent epoxy acrylate UV coating.
Preferably, the first ink layer comprises: according to parts by weight, 20-50 parts of acrylic resin emulsion, 5-12 parts of temperature sensitive toner, 5-8 parts of dispersing agent, 1-2 parts of wetting agent, 0.1-0.4 part of defoaming agent, 1-2 parts of flatting agent, 0.5-4 parts of curing agent and 0-10 parts of solvent.
The reversible temperature-change ink layer is adopted, and the ink layer obtained by using the specific substance mixing proportion has good adhesiveness, the anti-counterfeiting performance and the decorative performance are improved, and the ink has good adhesiveness and good environmental protection.
Preferably, the second ink layer comprises 90-95 parts of ultraviolet curing ink, 1-2 parts of dispersing agent, 1-2 parts of cracking agent and 0.5-4 parts of curing agent by weight.
Preferably, the dispersing agent is any one of acrylic resin, urea-formaldehyde resin and melamine-formaldehyde resin, the wetting agent is any one of polyoxyethylene alkylphenol ether, polyoxyethylene fatty alcohol ether and polyoxyethylene polyoxypropylene block copolymer, the leveling agent is any one of fluorosurfactant polymer BYK340, acrylic modified fluorocarbon polymer EFKA3500 and fluorocarbon modified organosiloxane EFKA3034, the defoaming agent is glycerol, the cracking agent is toluene or n-hexane, the curing agent is any one of TPO, 1-hydroxy-cyclohexyl-phenyl ketone and 2-isopropyl thioxanthone, and the solvent is water.
The invention adopts raw materials and proportion to accelerate the diffusion and the molding of the printing ink, shortens the molding time of the random code, and greatly improves the randomness and the complexity of the molded pattern.
Preferably, the color-changing layer is prepared by mixing a polyethylene matrix and photochromic fibers.
Polyethylene is a thermoplastic plastics that ethylene polymerization made, and electrical insulation is good under the normal atmospheric temperature, and the polyethylene base member is used for protecting photochromic fiber wherein, and photochromic fiber can take place the fibre that reversibly discolours along with the change of external illuminance, and when sunshine shines on this label, photochromic fiber's colour changes for this label is noticed by other people more easily, helps the show of mark information, and simultaneously, this setting can also be used for anti-fake.
Preferably, the base layer is a biaxially oriented PP film or PP synthetic paper coated with a hot melt adhesive.
The base material of the invention has good physical stability, mechanical strength and air tightness, higher transparency and glossiness, toughness and wear resistance, and can ensure that the label can be easily taken off, not only can no trace be left on the applied object after the label is taken off, but also can bind the label with the applied object due to the stretching molecular orientation.
Preferably, the protective layer is a polyurethane protective layer.
The preparation method of the easy-to-tear double-layer anti-counterfeiting in-mold label specifically comprises the following steps:
(1) adhering a laser layer on a substrate through a pressure-sensitive adhesive, then printing first ink on the laser layer, and curing to form a first ink layer;
(2) after the first ink layer is cured, coating a diffusion coating on the first ink layer;
(3) printing second printing ink on the diffusion coating, and forming a second printing ink layer after curing;
(4) and after the second ink layer is cured, sequentially coating a color-changing layer and a protective layer on the second ink layer to obtain the easy-to-tear double-layer anti-counterfeiting in-mold label.
Compared with the prior art, the invention has the following beneficial effects:
the label in the prior art is improved and combined with an anti-counterfeiting technology, so that the in-mold label has an anti-counterfeiting function, wherein the base layer adopts a biaxially oriented PP film or PP synthetic paper, the label can be ensured to be easily removed, a trace cannot be left on a pasted object after the label is removed, the label can be bound with the pasted object, and the label has anti-counterfeiting function.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a front view of an easy-to-tear double-layer anti-counterfeit in-mold label according to the present invention;
1, a base layer; 2, laser layer; 3, a first ink layer; 4, diffusion coating; 5 a second ink layer; 6, a color changing layer; and 7, a protective layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be 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 embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, the invention provides an easy-to-tear double-layer anti-counterfeiting in-mold label, which comprises a base layer 1 and a printing coating, wherein the printing coating is arranged on the upper side of the base layer; the printing layer comprises a laser layer 2, a first ink layer 3, a diffusion coating 4, a second ink layer 5, a color-changing layer 6 and a protective layer 7 which are sequentially distributed from bottom to top, wherein the laser layer 2, the first ink layer 3 and the second ink layer 5 are different in color; the thickness ratio of the base layer to the printing coating is 2: 1;
wherein, the laser layer 2 is laser card paper, and the ground color is silver; the diffusion coating 4 is a transparent epoxy acrylate UV coating;
first printing ink layer 3 is temperature sensing printing ink layer, and raw and other materials include: according to parts by weight, 20 parts of acrylic resin emulsion, 5 parts of temperature-sensitive toner, 5 parts of dispersing agent, 1 part of wetting agent, 0.1 part of defoaming agent, 1 part of flatting agent and 0.5 part of curing agent; the dispersing agent is acrylic resin, the wetting agent is polyoxyethylene alkylphenol ether, the flatting agent is fluorosurfactant polymer BYK340, the defoaming agent is glycerol, and the curing agent is TPO;
the second ink layer 5 is an ultraviolet ink layer and comprises 90 parts of ultraviolet curing ink, 1 part of dispersing agent, 1 part of cracking agent and 0.5 part of curing agent by weight; the diffusant is acrylic resin, the cracking agent is toluene, and the curing agent is TPO;
the color-changing layer 6 is prepared by mixing a polyethylene matrix and photochromic fibers; the protective layer 7 is a polyurethane protective layer;
the base layer 1 is a biaxially oriented PP film coated with a hot melt adhesive.
The method specifically comprises the following steps:
(1) adhering a laser layer 2 on a substrate 1 through a pressure sensitive adhesive, then printing first ink 3 on the laser layer, and curing for 5s to form a first ink layer 3, wherein the first ink layer 3 is yellow, and the ground color of the laser layer 2 is silver;
(2) after the first ink layer 3 is cured, coating a diffusion coating on the first ink layer 3, and curing for 6s by using an ultraviolet lamp;
(3) printing second ink on the second diffusion coating 4, and curing for 5s to form a second ink layer 5, wherein the second ink layer is blue;
(4) after the second ink layer 5 is cured, the color-changing layer 6 and the protective layer 7 are sequentially coated on the second ink layer 5, and after curing is completed, the double-layer anti-counterfeiting in-mold label easy to tear is obtained.
Example 2
As shown in fig. 1, the invention provides an easy-to-tear double-layer anti-counterfeiting in-mold label, which comprises a base layer 1 and a printing coating, wherein the printing coating is arranged on the upper side of the base layer; the printing layer comprises a laser layer 2, a first ink layer 3, a diffusion coating 4, a second ink layer 5, a color-changing layer 6 and a protective layer 7 which are sequentially distributed from bottom to top, wherein the laser layer 2, the first ink layer 3 and the second ink layer 5 are different in color; the thickness ratio of the base layer to the printing coating is 2: 1;
wherein, the laser layer 2 is laser card paper, and the ground color is silver; the diffusion coating 4 is a transparent epoxy acrylate UV coating;
first printing ink layer 3 is temperature sensing printing ink layer, and raw and other materials include: according to parts by weight, 50 parts of acrylic resin emulsion, 12 parts of temperature-sensitive toner, 8 parts of urea-formaldehyde resin, 2 parts of polyoxyethylene fatty alcohol ether, 0.4 part of glycerol, 4 parts of acrylic acid modified fluorocarbon high-molecular compound EFKA35002, 4 parts of 2-isopropyl thioxanthone and 10 parts of water;
the second printing ink layer 5 is an ultraviolet printing ink layer, and the raw materials comprise: 95 parts of ultraviolet curing ink, 2 parts of urea-formaldehyde resin, 2 parts of n-hexane and 4 parts of 2-isopropyl thioxanthone;
the color-changing layer 6 is prepared by mixing a polyethylene matrix and photochromic fibers; the protective layer 7 is a polyurethane protective layer;
the base layer 1 is a biaxially oriented PP synthetic paper coated with a hot melt adhesive.
The method specifically comprises the following steps:
(1) adhering a laser layer 2 on a substrate 1 through a pressure sensitive adhesive, then printing first ink 3 on the laser layer, and curing for 3 seconds to form a first ink layer 3, wherein the first ink layer 3 is yellow, and the ground color of the laser layer 2 is silver;
(2) after the first ink layer 3 is cured, coating a diffusion coating on the first ink layer 3, and curing for 5s by using an ultraviolet lamp;
(3) printing second ink on the second diffusion coating 4, and forming a second ink layer 5 after curing for 3s, wherein the second ink layer is blue;
(4) after the second ink layer 5 is cured, the color-changing layer 6 and the protective layer 7 are sequentially coated on the second ink layer 5, and after curing is completed, the double-layer anti-counterfeiting in-mold label easy to tear is obtained.
Example 3
As shown in fig. 1, the invention provides an easy-to-tear double-layer anti-counterfeiting in-mold label, which comprises a base layer 1 and a printing coating, wherein the printing coating is arranged on the upper side of the base layer; the printing layer comprises a laser layer 2, a first ink layer 3, a diffusion coating 4, a second ink layer 5, a color-changing layer 6 and a protective layer 7 which are sequentially distributed from bottom to top, wherein the laser layer 2, the first ink layer 3 and the second ink layer 5 are different in color; the thickness ratio of the base layer to the printing coating is 2: 1;
wherein, the laser layer 2 is laser card paper, and the ground color is silver; the diffusion coating 4 is a transparent epoxy acrylate UV coating;
first printing ink layer 3 is temperature sensing printing ink layer, and raw and other materials include: according to parts by weight, 30 parts of acrylic resin emulsion, 8 parts of temperature-sensitive toner, 6 parts of urea-formaldehyde resin, 2 parts of polyoxyethylene fatty alcohol ether, 0.2 part of glycerol, 4 parts of 2-isopropyl thioxanthone and 8 parts of fluorocarbon modified organosiloxane EFKA 30342;
the second printing ink layer 5 is an ultraviolet printing ink layer, and the raw materials comprise: 92 parts of ultraviolet curing ink, 2 parts of urea-formaldehyde resin, 2 parts of n-hexane and 3 parts of 2-isopropyl thioxanthone;
the color-changing layer 6 is prepared by mixing a polyethylene matrix and photochromic fibers; the protective layer 7 is a polyurethane protective layer;
the base layer 1 is a PP synthetic paper coated with a hot melt adhesive.
The method specifically comprises the following steps:
(1) adhering a laser layer 2 on a substrate 1 through a pressure sensitive adhesive, then printing first ink 3 on the laser layer, and curing for 3 seconds to form a first ink layer 3, wherein the first ink layer 3 is yellow, and the ground color of the laser layer 2 is silver;
(2) after the first ink layer 3 is cured, coating a diffusion coating on the first ink layer 3, and curing for 5s by using an ultraviolet lamp;
(3) printing second ink on the second diffusion coating 4, and forming a second ink layer 5 after curing for 3s, wherein the second ink layer is blue;
(4) after the second ink layer 5 is cured, the color-changing layer 6 and the protective layer 7 are sequentially coated on the second ink layer 5, and after curing is completed, the double-layer anti-counterfeiting in-mold label easy to tear is obtained.
Application example
The anti-counterfeiting in-mold labels prepared in the embodiments 1 to 3 are subjected to various performance tests such as bonding strength, glue residue, water resistance and the like according to GB/T2794-2013, and the results are shown in Table 1;
table 1 examples 1-3 performance test results
As can be seen from the above test results, the in-mold label provided by the present invention has an initial adhesive strength of 18.5 to 19.8N/m2After tearing off and tearing repeatedly for ten times, the bonding strength is still kept at a higher level; meanwhile, the total amount of the glue residues is less than 0.002g/m2The adhesive has good balance in two aspects of high bonding strength, easy tearing and no trace, and has the advantages of no wrinkling, no edge lifting and no falling off, excellent water resistance, good weather resistance, long lasting bonding time and good stability after 72-hour water resistance test.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments can be referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An easy-to-tear double-layer anti-counterfeiting in-mold label is characterized by comprising a base layer and a printing coating, wherein the printing coating is arranged on the upper side of the base layer;
the printing layer comprises a laser layer, a first ink layer, a diffusion coating, a second ink layer, a color-changing layer and a protective layer which are sequentially distributed from bottom to top, and the laser layer, the first ink layer and the second ink layer are different in color.
2. The easy-to-tear double-layer anti-counterfeiting in-mold label as claimed in claim 1, wherein the laser layer is laser paperboard, and the ground color is silver.
3. The easy-to-tear, double-layer anti-counterfeiting in-mold label according to claim 1, wherein the diffusion coating is a transparent epoxy acrylate UV coating.
4. The easy-to-tear double-layer anti-counterfeiting in-mold label according to claim 1, wherein the first ink layer comprises: according to parts by weight, 20-50 parts of acrylic resin emulsion, 5-12 parts of temperature sensitive toner, 5-8 parts of dispersing agent, 1-2 parts of wetting agent, 0.1-0.4 part of defoaming agent, 1-2 parts of flatting agent, 0.5-4 parts of curing agent and 0-10 parts of solvent.
5. The easy-to-tear double-layer anti-counterfeiting in-mold label according to claim 1, wherein the second ink layer comprises 90-95 parts by weight of ultraviolet curing ink, 1-2 parts by weight of dispersing agent, 1-2 parts by weight of cracking agent and 0.5-4 parts by weight of curing agent.
6. The easy-to-tear double-layer anti-counterfeiting in-mold label according to claim 1, wherein the color-changing layer is prepared by mixing a polyethylene matrix and photochromic fibers.
7. The easy-to-tear double-layer anti-counterfeiting in-mold label as claimed in claim 1, wherein the base layer is a biaxially oriented PP film or PP synthetic paper coated with hot melt adhesive.
8. The easy-to-tear double-layer anti-counterfeiting in-mold label as claimed in claim 1, wherein the protective layer is a polyurethane protective layer.
9. The preparation method of the easy-to-tear double-layer anti-counterfeiting in-mold label is characterized by comprising the following steps:
(1) adhering a laser layer on a substrate through a pressure-sensitive adhesive, then printing first ink on the laser layer, and curing to form a first ink layer;
(2) after the first ink layer is cured, coating a diffusion coating on the first ink layer;
(3) printing second printing ink on the diffusion coating, and forming a second printing ink layer after curing;
(4) and after the second ink layer is cured, sequentially coating a color-changing layer and a protective layer on the second ink layer to obtain the easy-to-tear double-layer anti-counterfeiting in-mold label.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111215586.XA CN114023180A (en) | 2021-10-19 | 2021-10-19 | Easily tear double-deck anti-fake in-mould label |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111215586.XA CN114023180A (en) | 2021-10-19 | 2021-10-19 | Easily tear double-deck anti-fake in-mould label |
Publications (1)
| Publication Number | Publication Date |
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| CN114023180A true CN114023180A (en) | 2022-02-08 |
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