Laser label

Abstract

The utility model discloses a laser label which comprises an isolating layer, an adhesive layer and a thin film layer which are arranged in a stacked mode. The thin film layer is adhered to the isolating layer through the adhesive layer; a printing layer is arranged on one side, deviating from the adhesive layer, of the thin film layer; the printing layer can be used for laser engraving. The film layer is used as a base material, and different colors are printed on the surface of the film layer according to different requirements, so that materials are saved, the process is optimized, and the cost is reduced; meanwhile, the surface of the printing layer has the characteristic of high energy absorption, emission of dust and smoke can be effectively reduced, and the problem that a traditional laser label coating process is single in color is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a nameplate technical field especially is related to a laser label. BACKGROUND

[0002] The nameplate is a kind of label fixed on product, is used to provide manufacturer trademark identification, brand distinction and product parameter etc. Information to user.The traditional laser label mainly uses coating process to process, passes through the surface of material coating two different colors of acrylic layer, and prints different color ink layer, uses optical fiber or ultraviolet laser machine engraving, can remove the ink of label most surface layer or second layer, expose the color of lower layer, to realize multiple color effects.The processing technic process of traditional laser label is complex, production cost is higher, and color selection is limited.In addition, traditional laser label is not enough in the process of engraving cutting combustion, lead to more dust and smoke.

[0003] Therefore, prior art still needs to be improved. UTILITY MODEL CONTENT

[0004] In view of the above prior art deficiency, the purpose of the utility model is to provide a kind of laser label, to solve the problem of traditional laser label coating process color single.

[0005] The utility model discloses a kind of laser label, wherein, including the isolation layer of laminated arrangement, adhesive layer, film layer;The film layer is pasted on the isolation layer by the adhesive layer;The side of the film layer deviating from the adhesive layer is equipped with printing layer;The printing layer can be used for laser marking.

[0006] The laser label, wherein, the thickness of the printing layer is 4~6 microns.

[0007] The laser label, wherein, the printing layer is weather-resistant ink layer.

[0008] The laser label, wherein, the isolation layer is release paper.

[0009] The laser label, wherein, the release paper is polyurethane coating release paper.

[0010] The laser label, wherein, the film layer is polyester film layer.

[0011] The laser label, wherein, the thickness of the polyester film layer is 60~80 microns.

[0012] The laser label, wherein, the thickness of the adhesive layer is 30~40 microns.

[0013] The laser label, wherein, the adhesive layer is liquid acrylic polymer adhesive layer.

[0014] Compared with the prior art, the embodiment of the utility model has the following advantages:

[0015] The utility model discloses a film layer as the base material, according to different requirements, the different color is printed on the film layer surface, saves the material, optimizes the craft, reduces the cost, simultaneously, the high energy absorption characteristic has the printing layer surface, can effectively reduce the discharge of dust and smoke, solves the problem of traditional laser label coating craft color single. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the person in the art better understand the utility model scheme, the following will combine the drawings in the embodiment of the utility model, the technical scheme in the embodiment of the utility model is described clearly and completely, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of the utility model protection.

[0017] Figure 1 It is the main body structure schematic diagram of laser label in the utility model;

[0018] Figure 2 It is the peeling strength curve schematic diagram after the 180 ° peeling strength test of laser label in the utility model on the steel plate;

[0019] Figure 3 It is the peeling strength curve schematic diagram after the 180 ° peeling strength test of laser label in the utility model on the aluminum plate;

[0020] Figure 4 It is the peeling strength curve schematic diagram after the 180 ° peeling strength test of laser label in the utility model on the composite board.

[0021] Mark explanation: 100, isolation layer;200, adhesive layer;300, film layer;400, printing layer. DETAILED DESCRIPTION

[0022] In order to make the person in the art better understand the utility model scheme, the following will combine the drawings in the embodiment of the utility model, the technical scheme in the embodiment of the utility model is described clearly and completely, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of the utility model protection.

[0023] The application will be further described in detail below in conjunction with the drawings of the specification.

[0024] The embodiment of the application discloses a kind of laser labels, such asFigure 1 As shown, wherein, including the isolation layer 100, adhesive layer 200, film layer 300 arranged in layers; the film layer 300 is pasted on the isolation layer 100 through the adhesive layer 200; the side of the film layer 300 away from the adhesive layer 200 is provided with a printing layer 400; the printing layer 400 can be used for laser marking. In use, the embodiment can print different colors on the film according to actual needs, and directly laser engraving after printing. Relative to the coating process of the traditional label, the laser label of the utility model reduces one layer of material, reduces the production cost, and is flexible in marking; at the same time, laser engraving in the printing layer 400 can effectively avoid the generation of waste such as smoke and dust.

[0025] In another embodiment of the utility model, the thickness of the printing layer 400 is 4-6 microns, and weather-resistant ink is used for printing. The laser label samples are subjected to humidity resistance test, as shown in Table 1, three groups of samples are pasted on steel plate, aluminum plate and composite plate respectively, each group has four labels with a length of 105 mm and a width of 35 mm. The three groups of test samples are placed in the condition of 40℃±2℃, 100%RH, and after 144 hours, the three groups of test samples are placed on the steel plate, aluminum plate and composite plate, and the appearance is good, and there is no adhesion separation phenomenon; compared with the label before the test, the surface color has no obvious change, the information on the label is clear and easy to identify, and the bar code after the label test is readable.

[0026] Table 1

[0027]

[0028] The laser label samples are subjected to thermal cycle test, as shown in Table 2, three groups of samples are pasted on steel plate, aluminum plate and composite plate respectively, each group has five labels with a length of 105 mm and a width of 35 mm. The test samples are subjected to the following two cycles (A-D represents one cycle):

[0029] A. Place at 90℃±2℃ for 30 minutes;

[0030] B. Place at 23℃±2℃, 50%±5%RH for 15 minutes;

[0031] C. Place at -30℃±2℃ for 30 minutes;

[0032] D. Place at 23℃±2℃, 50%±5%RH for 15 minutes.

[0033] After the test, place in the standard environment (23℃±2℃, 50%±5%RH) for 1 hour, and visually inspect.

[0034] After two cycles of 90℃±2℃~23℃±2℃, 50%±5%RH to -30℃±2℃~23±2℃, 50%±5%RH, the label on the three plates is in good appearance, no adhesion separation phenomenon, and the surface color has no obvious change compared with the label before the test; the information on the label should be clear and easy to identify, and the bar code should be readable after the test.

[0035] Table 2

[0036]

[0037] It can be seen that the laser label printed with the weather-resistant ink has good high light resistance, water resistance and wear resistance, and can resist the influence of natural environmental factors such as sunlight, rainwater, weathering and temperature change.

[0038] In another embodiment of the present application, the film layer 300 is a polyester film layer 300, and the thickness is 60-80 microns. In this embodiment, a black polyester film layer 300 is used as a base material, different colors are printed on the surface of the black polyester film layer 300 according to the color requirements of customers, one layer of material is reduced, and the cost is reduced; at the same time, the black polyester film helps to block ultraviolet rays, can effectively block light transmission, and protect the underlying material from photodegradation.

[0039] In this embodiment, the performance test is performed on the laser label sample. The laser label sample is pasted on the surface of the glass for wear resistance test: a Taber wear test machine and a CS-10 abrasive wheel are used, under a load of 500 grams, at a speed of 60 revolutions per minute, 200 wear cycles are performed, after the test, under standard environment (23℃±2℃, 50%±5%RH) for 1 hour, the label is in good appearance, no adhesion separation phenomenon, the information on the label is clear and easy to identify, and the information on the label is readable.

[0040] The laser label sample is subjected to chemical liquid resistance test, as shown in Table 3, three groups of label samples are taken, each group has three samples with a length of 105 mm and a width of 35 mm, and the alcohol resistance, detergent resistance and windshield washer fluid resistance tests are performed on the three groups of label samples.

[0041] A. Alcohol resistance: under standard environment (23℃±2℃, 50%±5%RH), the test sample is vertically immersed in an alcohol solution with a concentration of 75% or above, and is placed for 10 minutes.

[0042] B. Detergent resistance: under standard environment (23℃±2℃, 50%±5%RH), the test sample is vertically immersed in a vehicle cleaning solution, 50% volume of isopropyl alcohol aqueous solution, and is placed for 4 hours.

[0043] C. Windshield washer fluid resistance: The test sample was vertically immersed in the windshield washer fluid for 4 hours under standard conditions (23°C ± 2°C, 50% ± 5% RH).

[0044] After soaking in alcohol, the appearance of the sample label was good, there was no adhesive separation phenomenon, and the surface color had no obvious change compared with the sample before the test. The information on the label should be clear and easy to identify, and the barcode on the label should be readable after the test.

[0045] Table 3

[0046]

[0047] The laser label sample was subjected to acid resistance test. Five labels with a length of 105 mm and a width of 35 mm were attached to a steel plate and cured at room temperature for one week. Then, the sample was placed in a 0.05 mol / L sulfuric acid solution with a temperature controlled at room temperature 23+2℃, and soaked for 144 hours. After that, the sample was taken out. The appearance of the sample on the steel plate was good, there was no adhesive separation phenomenon, and the surface color had no obvious change compared with the sample before the test. The information on the label should be clear and easy to identify, and the barcode on the label should be readable after the test.

[0048] The laser label sample was subjected to mud-high pressure cleaning test. As shown in Table 4, three groups of label samples were taken, Arizona powder and water were mixed in a container at a mass ratio of 1.8:1 to form a mud, and the label samples were immersed in the mud and completely covered for 30 minutes. Then, the label samples were taken out and dried at 80℃ for 1 hour. After that, the label samples were placed in an environment of 25℃ for 24 hours, the mud on the surface of the label samples was removed, and high pressure cleaning was performed. During cleaning, the label samples were subjected to high pressure cleaning under the conditions of water temperature 23℃, water pressure 8.5MPa+0.34MPa, and nozzle distance from the label sample 200mm. After cleaning, the sample was placed at 23+2℃, 50+5% RH for 1 hour, and visually observed. The appearance of the label sample was good, there was no visible adhesive separation, and the surface color had no obvious change. The information on the label was clear and easy to identify, and the information on the label was readable after the test.

[0049] Table 4

[0050]

[0051] It can be seen that the laser label of the present embodiment has high strength and wear resistance, can withstand physical wear, tearing and stretching, maintains stable performance at high temperature, is not easy to deform or melt, and has good resistance to many chemicals and is not easy to be corroded by acid, alkali or organic solvent.

[0052] In the embodiment, the isolation layer 100 adopts release paper, and the thickness of the adhesive layer 200 is 30-40 microns. Specifically, a liquid acrylic polymer adhesive with a thickness of 35 microns is adopted, the thickness of the polyester film layer 300 is 75 microns, and the thickness of the weather-resistant ink layer is 5 microns. Compared with the traditional laser label, the laser label of the utility model can maintain good adhesive performance and weather resistance while reducing the cost.

[0053] The laser label sample is subjected to 180° peeling strength test, as shown in Figure 2 、 Figure 3 and Figure 4 , five groups of adhesive samples with a length of 170 mm and a width of 25 mm are respectively pasted on the surfaces of aluminum plates, steel plates and composite plates (the surface energy of the aluminum plate and the steel plate is greater than 30), then a 2kg pressure roller is rolled back and forth three times, and the 180° peeling force is tested at a speed of 300mm / min after standing for 30min, as shown in Table 5, the adhesive of the embodiment has good adhesive performance.

[0054] Table 5

[0055]

[0056] In summary, the utility model discloses a laser label, including the isolation layer, the adhesive layer, the film layer of laminated setting, the film layer is pasted on the isolation layer through the adhesive layer, the side of film layer is equipped with the printing layer away from the adhesive layer, the printing layer can be used for laser marking. The utility model discloses a film layer as the base material, according to different requirements, different colors are printed on the surface of the film layer, which saves materials, optimizes the process and reduces the cost. At the same time, the printing layer has high energy absorption characteristics, which can effectively reduce the emission of dust and smoke, and solve the problem of single color of traditional laser label coating process. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0057] It should be noted that the utility model takes the laser label as an example to introduce the specific structure and working principle of the utility model, but the application of the utility model is not limited to the laser label, and can also be applied to the production and use of other similar workpieces.

[0058] It should be understood that the utility model is not limited to the precise structure described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the utility model is only limited by the appended claims.

[0059] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A laser tag, characterized in that, It includes a release layer, an adhesive layer, and a film layer stacked together; the film layer is adhered to the release layer through the adhesive layer; a printing layer is provided on the side of the film layer opposite to the adhesive layer; the printing layer can be used for laser engraving.

2. The laser tag according to claim 1, characterized in that, The thickness of the printed layer is 4 to 6 micrometers.

3. The laser tag according to claim 2, characterized in that, The printed layer is a weather-resistant ink layer.

4. The laser tag according to claim 1, characterized in that, The release layer is release paper.

5. The laser tag according to claim 4, characterized in that, The release paper is a polyurethane-coated release paper.

6. The laser tag according to claim 1, characterized in that, The film layer is a polyester film layer.

7. The laser tag according to claim 6, characterized in that, The thickness of the polyester film layer is 60–80 micrometers.

8. The laser tag according to claim 1, characterized in that, The thickness of the adhesive layer is 30 to 40 micrometers.

9. The laser tag according to claim 8, characterized in that, The adhesive layer is a liquid acrylic polymer adhesive layer.

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