CN204480594U - A kind of antifalsification label - Google Patents

Abstract

The utility model is an anti-counterfeiting label, which is used to be placed on the surface of various metal or non-metal substrates, and it includes a protective layer, a layer and an adhesive layer, the protective layer is covered on the adhesive layer, and the layer Located between the protective layer and the adhesive layer, the protective layer is made of easily damaged transparent synthetic resin, the adhesive layer is made of high and low temperature resistant non-trace adhesive, and the temperature resistance of the protective layer is lower than that of The paste layer. The utility model provides an anti-counterfeiting adhesive sticker which is resistant to high and low temperature, has good anti-counterfeiting effect, cannot be copied or removed for secondary use, and can more effectively prevent illegal commercial activities such as embezzlement.

Description

anti-counterfeit label

technical field

The utility model relates to the technical field of anti-counterfeit stickers, in particular to an anti-counterfeit label.

Background technique

The existing anti-counterfeiting labels generally use paper, PET (polyethylene terephthalate) film, PVC (Polyvinyl chloride, polyvinyl chloride) film, BOPP film (abbreviation of "Biaxially Oriented Polypropylene", that is, two-way pull Stretched polypropylene film), OPP (o-phenylphenol, O-phenylphenol English abbreviation) film, etc. are used as a protective layer or a graphic printing layer, and then ordinary glue is used as an adhesive layer. Has the following disadvantages:

First, it is not easy to tear. If the sticking performance of the glue is reduced, the anti-counterfeiting label can be easily and completely completed, or even used twice, and it cannot really play an anti-counterfeiting role;

Second, the self-adhesives generally used in the market are not resistant to high and low temperatures, and the sticking performance drops significantly at a low temperature of -10°C. If it reaches around -30°C, the sticking performance of the label will be greatly reduced, and even the glue will automatically open and fall off. If it is used normally, if the temperature is around 80°C, the label can be easily and completely torn off, or even automatically unglue and fall off. Therefore, many labels can be easily removed after being heated by a hair dryer, which may lead to theft of the label, etc. Good for anti-counterfeiting.

Third, when the label needs to be torn off by mistake or other reasons, there will be glue remaining on the surface of the pasted object, which will cause inconvenience.

Contents of the invention

The purpose of the utility model is to provide an anti-counterfeit label which is not easy to be completely removed and which can better play an anti-counterfeiting effect.

Another object of the present utility model is to provide a method for preparing an anti-counterfeit label that is not easy to be completely removed and its application.

The utility model is achieved through the following technical solutions.

An anti-counterfeiting label, which is used to be placed on the surface of various metal or non-metal substrates, it includes a protective layer, a layer and an adhesive layer, the protective layer is covered on the adhesive layer, and the layer is arranged on the Between the protective layer and the adhesive layer, the protective layer is made of transparent synthetic resin, and the adhesive layer is high and low temperature resistant non-trace adhesive.

Preferably, fillers are mixed in the adhesive layer, and the fillers are fragile substances. .

Further, the filler is metal particles, plastic particles, metal wire, plastic wire, hair or similar fillers, and the hair can be human, animal or artificial hair.

Further, the filling is mud grains, rice grains or similar friable or deformable fillings.

Specifically, the high temperature resistance of the adhesive layer is 150°C to 180°C, and the low temperature resistance is -30°C to -50°C.

Preferably, the protective layer has a thickness of 0.01 mm to 1 mm, and the adhesive layer has a thickness of 0.01 mm to 1 mm.

A preparation method for an anti-counterfeiting sticker, comprising the following steps:

Step 1, uniformly coating the protective layer on the release film;

Step 2, after the protective layer is solidified, print a layer on its surface;

Step 3, stirring the filler into the traceless glue as the adhesive layer;

Step 4, apply and lightly press the adhesive layer of the stuffing on the layer;

Step 5, covering the surface of the adhesive layer with release paper.

The adhesive layer is coated on the printing layer by rolling.

The adhesive layer is coated on the printing layer by pressing.

Specifically, the layer is printed with trademarks, two-dimensional codes, barcodes, patterns, numbers and content related to commodity information.

Preferably, the paste layer is pasted and fixed on the surface of a metal or non-metal substrate.

Preferably, the substrate layer is PET (polyethylene terephthalate, English: polyethyleneterephthalate, referred to as PET), APET (amorphous polyethylene terephthalate), PETG) English full name Poly ( Ethylene terephthalateco-1,4-cylclohexylenedimethyleneterephthalate), is a transparent, non-crystalline copolyester), OPP (o-phenylphenol O-phenylphenol), BOPP (abbreviation of "Biaxially Oriented Polypropylene", that is, biaxially oriented polypropylene Film), cloth, TPU (Thermoplastic polyurethanes name is thermoplastic polyurethane elastomer rubber), PU (is the abbreviation of English polyurethane, chemical Chinese name "polyurethane"), PE (abbreviation, commonly used meaning includes polyethylene Polyethylene) foam , PVC (English abbreviation PVC (Polyvinylchloride), is a thermoplastic resin polymerized by vinyl chloride under the action of an initiator), EVA (ethylene-vinyl acetate copolymer) foam, PMMA acrylic, leather, paper, copper, aluminum One or more substrates.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model has the following advantages:

(1) An anti-counterfeiting label of the present utility model adopts an easy-to-tear transparent synthetic resin through the surface protection layer, and the adhesive layer is resistant to high and low temperatures. Under normal temperature conditions, if you want to remove the anti-counterfeiting label, it is very easy to damage The synthetic resin protective layer on the surface, if you want to remove the anti-counterfeiting label by high temperature, because the high temperature resistance of the adhesive layer is stronger than that of the protective layer, the temperature that will damage the adhesive performance of the adhesive layer will directly damage the protective layer. Therefore, no matter at high temperature Or under low temperature conditions, the anti-counterfeiting label cannot be completely removed, so that it cannot be used again, which can effectively prevent illegal acts such as trademark theft and ensure the anti-counterfeiting performance of the anti-counterfeiting label;

(2) The preparation method of an anti-counterfeit label of the present utility model directly stirs random and irregular various fillers into the traceless glue as the sticking layer, reduces the pollution in the production process, and can ensure the distribution of the fillers The randomness makes the anti-counterfeit label difficult to crack counterfeit;

(3) The application range of the utility model is very wide, the preparation method is simple, the operability is strong, and large-scale industrial production is possible.

Description of drawings

Fig. 1 is a schematic cross-sectional structure diagram of an anti-counterfeiting label of the present invention.

Detailed ways

The utility model is described in detail below in conjunction with specific embodiments.

An anti-counterfeiting label, which is used to be placed on the surface of various metal or non-metallic substrates, it includes a protective layer 1, a layer 3 and an adhesive layer 2, the protective layer 1 is covered on the adhesive layer 2, the The layer 3 is arranged between the protective layer 1 and the adhesive layer 2 by printing, the protective layer 1 is made of fragile transparent synthetic resin, and the adhesive layer 2 is made of high and low temperature resistant non-trace adhesive , the temperature resistance of the protective layer 1 is lower than that of the adhesive layer 2 . The protective layer 1 is a glue made of transparent synthetic resin, generally thermoplastic phenolic resin, TPU resin, acrylic resin, unsaturated resin, saturated resin, epoxy resin, polyester resin, PU resin, carbon fiber resin , silicone resin, various petroleum resins, etc., plus functional preparations such as leveling agent, defoamer, hardening agent, preservative, brightener, etc., formulated according to a certain proportion, functional preparations can be added according to demand, with thin and It is easy to be damaged when it is torn. It will be deformed once it is torn, and it cannot be restored to its original shape after deformation. At room temperature, if you want to tear it off, it is extremely easy to damage it. When the temperature reaches 150 ° C ~ 180 ° C , it will be damaged or even melted by high temperature, and the applied glue will form a very thin and transparent film after curing, and layer 3 can be printed on the film; the adhesive layer 2 is a non-marking adhesive made of polyurethane synthetic resin , Patent No. 201410157642.2 Invention Patent "A Polyurethane Synthetic Resin for Preparation of Traceless Adhesives and Traceless Adhesives Prepared by Using It" has disclosed the formula of this traceless adhesive, which has excellent high and low temperature resistance and aging resistance Strong performance (5-10 years) and other characteristics, can withstand high temperature of 150 ° C ~ 180 ° C, and the time high temperature resistance can reach above 200 ° C, and can maintain normal viscosity at temperatures below 150 ° C.

By adopting the method that the surface protection layer 1 is easily broken, and the adhesive layer 2 is resistant to high and low temperature, when under normal temperature conditions, if the anti-counterfeiting label is to be torn off, the synthetic resin protective layer 1 on the surface is easy to be damaged. Under the anti-counterfeiting label, because the high temperature resistance of the adhesive layer 2 is stronger than that of the protective layer 1, reaching the temperature that damages the adhesive performance of the adhesive layer 2 will directly damage the protective layer 1, so it cannot be completely removed no matter under high temperature or low temperature conditions The anti-counterfeiting label prevents it from being used twice, which can effectively prevent illegal acts such as trademark theft, and ensure the anti-counterfeiting performance of the anti-counterfeiting label that can only be used once;

As an anti-counterfeit label product, the top of the protective layer 1 is covered with a release film 4, and the bottom of the adhesive layer 2 is pasted with a release paper 5. The anti-counterfeit label can be pasted on the desired product by tearing off the release paper 5 during use. To anti-counterfeiting effect.

There are several fillers 6 mixed in the adhesive layer 2, the fillers 6 mixed in the adhesive layer 2 are randomly mixed, and the shape and size of the fillers 6 are also randomly formed, so it is difficult to appear two completely similar pieces after being applied. area, where part or all of the fillers 6 are fragile or deformable fillers 6, and the shape of these fragile or deformable fillers 6 after being squeezed and deformed cannot be copied, which further increases the randomness of the product , making it difficult to imitate and replicate.

The filler 6 is fine metal particles, fine plastic particles, elongated metal wires, elongated plastic wires, hair or similar fillers 6, or fine mud particles, rice grains or similar friable or deformable fillers 6 . The sources of small objects are widely accessible, and further increase their difficulty in replicating.

The filler 6 can also be a pigment, which together with other fillers 6 can increase the difficulty of duplication.

The adhesive layer 2 has a high temperature resistance of 150°C to 180°C and a low temperature resistance of -30°C to -50°C, so that the anti-counterfeit label of the present utility model can still be used normally without affecting its performance under many harsh natural conditions.

The thickness of the protective layer 1 is 0.01 mm to 1 mm, the thickness of the adhesive layer 2 is 0.01 mm to 1 mm, and the layer 3 is printed between two layers of glue. The anti-counterfeiting label is made of two layers of transparent glue, and its thickness It can reach 0.02mm, and it is very thin to stick on the product, as if it is printed on the product, so that people can't feel the protrusion of the label, and it looks more smooth and beautiful. It can also produce adhesive films of different thicknesses according to different requirements of different customers. , to better meet market demand.

The preparation method of anti-counterfeit sticker comprises the following steps:

Step 1, uniformly coating the protective layer 1 on the release film 4;

Step 2: After the protective layer 1 is solidified, print a layer 3 on its surface. The protective layer 1 is a transparent synthetic resin that can be naturally solidified at room temperature, or can be accelerated by heating or blowing. After solidification, a thin film is formed;

Step 3: Stir the filler 6 into the non-trace glue used as the adhesive layer 2. The traditional method in the market is to randomly spray the filler 6 with a fan before applying the last layer of the adhesive layer 2. Sprinkle on the inside of the label as an anti-counterfeiting identification layer, which is not conducive to clean production;

Step 4, apply the adhesive layer 2 that has stirred the filler 6 and lightly press it on the layer 3, so as to deform or break the fragile or easily deformable filler 6;

Step five, covering the surface of the adhesive layer 2 with release paper 5 .

When the anti-counterfeiting label of the present invention is produced, first apply the protective layer 1, then the printing layer 3, and then the adhesive layer 2. Layer 1 is at the top, adhesive layer 2 is at the bottom, and is pasted on the product. The release film 4 is a very thin and transparent film. In order to further protect it, the release film 4 may not be torn off during use. . In step 4, in addition to coating the paste layer 2, the paste layer 2 needs to be squeezed, so that the fragile or easily deformable filler 6 stirred in the paste layer 2 becomes a unique broken or deformed state after being squeezed, Further increase the difficulty of replicating the anti-counterfeiting label and enhance the anti-counterfeiting performance.

The adhesive layer 2 is coated on the printing layer 3 by rolling, and can be coated with a coating roller of a precision coating machine. The pressure of the roller coating squeezes the fragile or Deformable filler 6, making it broken or deformed.

The sticking layer 2 is coated on the printing layer 3 by pressing. During production, the object with a flat surface is dipped with glue and then directly pressed, so that the glue can be applied and pressed while being fragile or easily deformed. Filling 6 to make it broken or deformed.

Extrusion coating can also be used, or other coating methods that can cause the fragile or deformable filler 6 to be deformed or broken.

The layer 3 is printed with trademarks, two-dimensional codes, barcodes, patterns, numbers and other content related to commodities and anti-counterfeiting information. The patterns of the printed layer and the filled small objects together form a unique label pattern.

The adhesive layer 2 is pasted and fixed on the surface of a metal or non-metal substrate.

The substrate can be one of PET, APET, PETG, OPP, BOPP, cloth, PC, TPU, PU, PE foam, PVC, EVA foam, PMMA acrylic, leather, paper, copper, aluminum or More than one base material has a very wide application range, simple application method, strong operability, and large-scale industrial production.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting the protection scope of the present utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art Personnel should understand that the technical solution of the utility model can be modified or equivalently replaced without departing from the essence and scope of the technical solution of the utility model.

Claims (7)

1. an anti-counterfeiting label, for placing various metal or non-metal substrate surfaces, it is characterized in that, it comprises protective layer, layer and adhesive layer, and described protective layer covers on described adhesive layer, so The layer is arranged between the protective layer and the adhesive layer, the protective layer is made of transparent synthetic resin, and the adhesive layer is high and low temperature resistant non-trace adhesive. 2. The anti-counterfeiting label according to claim 1, characterized in that fillers are mixed in the adhesive layer. 3. The anti-counterfeiting label according to claim 2, wherein the filler is metal particles, plastic particles, metal wires, plastic wires, hair or a combination of one or more of the above. 4. The anti-counterfeiting label according to claim 3, characterized in that, the filler further comprises mud grains or rice grains, or a combination of both. 5. The anti-counterfeit label according to claim 1, characterized in that, the high temperature resistance of the adhesive layer is 180°C, and the low temperature resistance is -50°C. 6. The anti-counterfeiting label according to claim 1, characterized in that, the thickness of the protective layer is 0.01mm-1mm, and the thickness of the adhesive layer is 0.01mm-1mm. 7. The anti-counterfeit label according to any one of claims 1-6, characterized in that, the base material is PET, APET, PETG, OPP, BOPP, cloth, PC, TPU, PU, PE foam, PVC, One or more substrates of EVA foam, PMMA acrylic, leather, paper, copper, aluminum.