Membrane-free label applied to battery shell

Abstract

The utility model provides a film-free label applied to a battery shell. The film-free label comprises a transfer paper layer, a film-free layer and a film-free layer which are sequentially arranged from bottom to top, the range of the transfer paper layer is coated with the bottom oil layer; the range of the bottom oil layer is coated with the white bottom layer; the color ink layer completely covers the white bottom layer and does not exceed the range of the bottom oil layer; the protective oil layer covers and exceeds the edge of the color ink layer; according to the film-free label, the problem that an existing label is poor in adhesion performance after a plastic part is baked at low temperature can be solved, the adjusted film-free label of the battery shell can pass a reliability test and can adapt to various outdoor environments, the service life of the battery shell is prolonged, and the service life of the battery shell is prolonged. And the use requirements of high-performance plastic parts such as a battery shell are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a filmless label technology field, especially a filmless label applied to a battery shell. BACKGROUND

[0002] At present, plastic products are widely used in outdoor environments, especially in battery boxes and other scenes that need to be exposed to high temperature, low temperature, strong light and polluted environment for a long time, which puts forward higher requirements on the identification performance of products. However, most of the existing labeling technologies are suitable for metal surfaces, and there is a lack of optimized solutions for the special needs of plastic parts, which has the following main defects:

[0003] 1. Insufficient adhesion after low-temperature baking: the existing labeling scheme has a significant decline in adhesion performance after low-temperature (such as 60℃) baking of plastic parts, which easily causes peeling, edge lifting and other phenomena, affecting the durability of product identification.

[0004] 2. Poor environmental adaptability: the existing technology performs poorly in the face of outdoor high temperature, low temperature, strong light, heat and humidity, and polluted environment, often causing problems such as color fading, deformation, peeling, etc., and cannot meet the use requirements of high-performance plastic parts.

[0005] Therefore, the present inventors have specially designed a filmless label applied to a battery shell, which is the result of the present case. UTILITY MODEL CONTENT

[0006] In order to solve the above problems, the technical scheme of the utility model is as follows:

[0007] A filmless label applied to a battery shell, comprising, from bottom to top:

[0008] A transfer paper layer;

[0009] A base oil layer coated within the range of the transfer paper layer;

[0010] A white base layer coated within the range of the base oil layer;

[0011] A color ink layer completely covering the white base layer and not exceeding the range of the base oil layer;

[0012] A protective oil layer covering and exceeding the edge of the color ink layer;

[0013] An appearance modification layer coated within the range of the protective oil layer, used to provide a bright or matte effect.

[0014] Preferably, the upper layer of the appearance modification layer is further provided with a tearable film layer.

[0015] Preferably, the tearable film layer completely covers the appearance modification layer, the protective oil layer, the color ink layer and the base oil layer, and does not exceed the range of the transfer paper layer.

[0016] Preferably, the tearable film layer is a prime light strippable film.

[0017] Preferably, the upper layer of the tearable film layer is further provided with a center line layer, which is coated and does not exceed the range of the tearable film layer.

[0018] Preferably, the upper layer of the center line layer is further provided with a release paper layer, which is covered and arranged beyond the edge of the center line layer.

[0019] Preferably, the primer layer adopts TA-3 material.

[0020] Preferably, the appearance modification layer is a prime oil layer or a matte oil layer.

[0021] Preferably, the transfer paper layer is a water mark paper.

[0022] The beneficial effects of the present application are as follows:

[0023] The film-free label of the present application can improve the poor adhesion problem of the existing label after low-temperature baking of the plastic part, and the adjusted battery shell film-free label can pass the reliability test and can adapt to various outdoor environments, meeting the use requirements of high-performance plastic parts such as battery shells. BRIEF DESCRIPTION OF DRAWINGS

[0024] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application. The schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application.

[0025] Among them:

[0026] Figure 1 is a film layer structure schematic diagram of the present application.

[0027] Label explanation:

[0028] 10, transfer paper layer; 20, primer layer; 30, white base layer; 40, color ink layer; 50, protective oil layer; 60, appearance modification layer; 70, tearable film layer; 80, center line layer; 90, release paper layer. DETAILED DESCRIPTION

[0029] In order to make the technical problems, technical schemes and beneficial effects of the present application more clear, specific embodiments described herein are used to explain the present application, and do not limit the present application.

[0030] Please refer to Figure 1, is a film-free label applied to a battery shell, and the basic structure comprises a transfer paper layer 10, a primer layer 20, a white base layer 30, a color ink layer 40, a protective oil layer 50, an appearance modification layer 60, a tearable film layer 70, a center line layer 80 and a release paper layer 90, wherein:

[0031] As shown in the accompanying drawings, the film-free label comprises the following layers from bottom to top: Figure 1

[0032] The transfer paper layer 10 is made of water label paper and is used to carry subsequent functional coatings.

[0033] The primer layer 20 is printed and coated in the range of the transfer paper layer 10, and the material is LED primer or LED matte primer, and the material is preferably TA-3, which is coated and printed by a 300-mesh doctor blade, with a single-side expansion of 1pt and a 2-turn round corner, and is used to enhance the adhesion and bonding performance of the whole label to the substrate.

[0034] The white base layer 30 is printed and coated in the range of the primer layer 20, and the material is LED white base, which is coated and printed by a 300-mesh doctor blade, and the diluent is TL-06, and the main function is to provide an opaque white base to ensure the saturation and performance of the color of the subsequent color ink layer 40.

[0035] The color ink layer 40 completely covers the white base layer 30 but does not exceed the range of the primer layer 20, and the material is LED color ink, which is printed from light to dark by a 300-mesh doctor blade, and the diluent is TL-06, and is used to present the target pattern, text or identification content.

[0036] The protective oil layer 50 is printed and coated on the color ink layer 40 and slightly exceeds the edge thereof, and the material is LED protective oil, which is coated and printed by a 300-mesh doctor blade, and the diluent is TL-06, and the single-side expansion is 0.8pt and the 2-turn round corner, and the main function is to protect the color ink layer 40 and provide anti-scratching and wear-resistant performance.

[0037] The appearance modification layer 60 is printed and coated in the range of the protective oil layer 50, and the material is LED bright oil or LED matte oil, which is coated and printed by a 250-mesh doctor blade, and the diluent is TL-06, and is used to provide bright or matte effects to meet different appearance requirements of the label.

[0038] The tearable film layer 70 is printed and covers the appearance modification layer 60, the protective oil layer 50, the color ink layer 40 and the primer layer 20, and does not exceed the range of the transfer paper layer 10, and the material is bright and peelable film, which is coated and printed by a 40-mesh round doctor blade, and the single-side expansion is 2.5mm (the cutting part needs to be expanded by 5mm), and is used to protect the integrity of the label before use, and can also provide a bright and paint-free effect.

[0039] ​The center line layer 80 is printed and coated on the upper layer range of the tearable film layer 70, is coated and printed by a 250-mesh doctor blade, is dried by using a slow drying process, and is used for assisting positioning or accurate alignment in a production process.

[0040] The release paper layer 90 covers the upper layer of the center line layer 80, protects the integrity of the whole film-free label, and facilitates storage and transportation.

[0041] Packaging: pearl wool + paper tube + hollow stick, ribbon, baking at 80 degrees for 2 hours, and no obvious traces.

[0042] 1. Excellent adhesion: through the optimized combination of the LED primer and the white base layer 30, even after low-temperature baking (60 DEG C), the film-free label still has high adhesion performance, and there is no peeling or edge lifting phenomenon.

[0043] 2. Strong environmental adaptability: the design of the protective oil layer 50 and the appearance modification layer 60 ensures that the film-free label can maintain stable performance in outdoor high temperature, low temperature, strong light, humid heat and polluted environment.

[0044] 3. Appearance diversity: light or matte effect is provided to meet the needs of different products for the beauty of the label.

[0045] 4. Reliability test: the film-free label of the utility model is excellent under the following conditions:

[0046] 5. Hundred grid test: 4B or more

[0047] 6. High and low temperature test: the label has no edge lifting, peeling and discoloration under the cyclic test in the environment of-40 DEG C to +85 DEG C.

[0048] 7. Scratch resistance test: the standard scratch equipment is used to simulate long-term use, and the label has no obvious damage.

[0049] 8. Weather resistance test: the label maintains a good appearance after being tested under UV irradiation and humid heat conditions.

[0050] In summary, the film-free label of the utility model overcomes the problems of insufficient adhesion and poor environmental adaptability of the label in the prior art after low-temperature baking of the plastic part, and is suitable for the identification needs of high-performance plastic parts such as battery shells.

[0051] The utility model has been described above in conjunction with the drawings, and obviously, the specific implementation of the utility model is not limited by the above-mentioned mode. As long as various non-essential improvements are made by using the method concept and technical solution of the utility model, or the concept and technical solution of the utility model is directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A filmless label applied to a battery case, characterized by, It comprises, from bottom to top, a transfer paper layer (10), a primer layer (20) coated in the range of the transfer paper layer (10), a white base layer (30) coated in the range of the primer layer (20), a color ink layer (40) completely covering the white base layer (30) and not exceeding the range of the primer layer (20), a protective oil layer (50) covering and exceeding the edges of the color ink layer (40), and an appearance modification layer (60) coated in the range of the protective oil layer (50) for providing a glossy or matte effect. An upper layer of the appearance modification layer (60) is further provided with a tearable film layer (70). The tearable film layer (70) completely covers the appearance modification layer (60), the protective oil layer (50), the color ink layer (40), and the primer layer (20), and does not exceed the range of the transfer paper layer (10). The tearable film layer (70) is a paint-free glossy strippable film. An upper layer of the tearable film layer (70) is further provided with a center line layer (80) coated and not exceeding the range of the tearable film layer (70). An upper layer of the center line layer (80) is further provided with a release paper layer (90) covering and exceeding the edges of the center line layer (80). The primer layer (20) uses TA-3 material.

2. The filmless label for a battery case according to claim 1, wherein The appearance modification layer (60) is a glossy oil layer or a matte oil layer.

3. The filmless label for battery cases of claim 2, wherein, The transfer paper layer (10) is watermarked paper.

4. The filmless label for battery cases of claim 2, wherein, ​ 5. The filmless label for battery cases of claim 2, wherein, ​ 6. A filmless label for application to a battery case according to claim 5, wherein ​ 7. The filmless label for battery cases of claim 1, wherein, ​ 8. The filmless label for battery cases of claim 1, wherein, ​ 9. The filmless label for battery cases of claim 1, wherein, ​

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