Self-adhesive paper with good ventilation effect

Abstract

The utility model relates to the field of self-adhesive paper, and discloses self-adhesive paper with a good ventilation effect, which comprises a surface layer and a bottom paper structure, the bottom paper structure is adhered to the bottom of the surface layer through mucilage glue, the bottom paper structure can be independently stripped from the bottom of the surface layer, and the bottom paper structure, the surface layer and the mucilage glue are all provided with a plurality of groups of through holes. The through holes in the bottom paper structure, the surface layer and the mucilage glue correspond to one another, and a plurality of groups of through holes are correspondingly formed in the bottom paper structure, the surface layer and the mucilage glue, so that the self-adhesive paper has good air permeability. When applied to the medical field, such as wound dressing labels, the medical dressing can effectively ensure normal breathing and sweat discharge of the skin, and significantly reduce the probability of allergy, pruritus, fester and other problems caused by moisture and stuffiness of the skin.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of self-adhesive paper, and particularly relates to a self-adhesive paper with good ventilation effect. BACKGROUND

[0002] In modern industrial production and daily life, self-adhesive paper, as an important packaging and labeling material, is widely used in various fields. From the labels and packaging seals of commodities to the labels of electronic products and the labels of logistics transportation, self-adhesive paper is ubiquitous. However, with the increasing diversification and specialization of application scenarios, the limitations of traditional self-adhesive paper in some aspects have gradually become apparent, especially in scenarios that require ventilation performance, the performance shortcomings need to be addressed.

[0003] In the medical field, such as wound dressing labels and medical adhesive tapes, self-adhesive paper needs to be pasted on the skin surface. Human skin needs to breathe and sweat to maintain normal physiological functions. If traditional self-adhesive paper that is not breathable is used, the sweat on the skin surface cannot be discharged in time, which will cause the skin to be in a humid and hot environment, easily causing skin allergies, itching, and even ulceration and other problems, which not only brings discomfort to patients, but also may affect wound healing. Therefore, the medical industry urgently needs a self-adhesive paper with good ventilation performance to meet the use requirements of medical labels and adhesive tapes and ensure the comfort and safety of patients during use. For this reason, we propose a self-adhesive paper with good ventilation effect. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a self-adhesive paper with good ventilation effect, which solves the above problems.

[0005] To achieve the above purposes, the utility model provides the following technical scheme: a self-adhesive paper with good ventilation effect, comprising a surface layer and a base paper structure, the base paper structure is adhered to the bottom of the surface layer by adhesive, and the base paper structure can be peeled off from the bottom of the surface layer, a plurality of groups of through holes are formed in the base paper structure, the surface layer and the adhesive, and the through holes in the base paper structure, the surface layer and the adhesive correspond.

[0006] Preferably, the surface layer comprises a face paper, a coating layer and a primer layer, the coating layer is arranged at the bottom of the face paper, the primer layer is arranged at the bottom of the coating layer, and the through holes are formed in the coating layer.

[0007] Preferably, the face paper is any one of copper plate paper, PET, PVC, kraft paper or laser paper.

[0008] Preferably, the primer layer is any one of acrylic resin, polyurethane resin or polyamide resin.

[0009] Preferably, the adhesive is any one of an acrylate adhesive, a rubber adhesive, and a silicone adhesive.

[0010] Preferably, the base paper structure comprises a release coating and a base paper, the release coating is connected with the base paper, and the release coating is any one of a silicone resin, a fluorocarbon compound, and a wax.

[0011] Preferably, the base paper is a common base paper or a glassine base paper.

[0012] Compared with the prior art, the self-adhesive paper provided by the utility model has the following beneficial effects:

[0013] Excellent air permeability: the base paper structure, the surface layer, and the plurality of groups of through holes correspondingly formed on the adhesive enable the self-adhesive paper to have good air permeability. When applied to the medical field, such as wound dressing labels, the self-adhesive paper can effectively ensure normal breathing and sweat discharge of the skin, significantly reduce the probability of problems such as allergy, itching, and ulcer caused by damp and hot skin, and greatly improve the comfort and safety of the patient during use. When used for food packaging, the self-adhesive paper can ensure air circulation around the food, delay food spoilage, maintain the freshness of fresh vegetables and fruits, and prolong the preservation period. In the electronic field, the self-adhesive paper can assist in heat dissipation of electronic components, maintain the performance stability of the electronic components, and improve the reliability and service life of electronic products.

[0014] Outstanding printing quality guarantee: the coating design of the surface layer effectively changes the properties of the surface material of the face paper by performing corona treatment or printing treatment on the face paper, such as enhancing the surface tension and optimizing the ink adhesion conditions, so that the printed patterns and characters are clearer and more durable. Whether used for product identification, promotional labels, or other printing needs, the self-adhesive paper can accurately present the content, meet the strict requirements of different industries for label printing quality, and improve the overall image and recognition of the product.

[0015] Reliable structural stability: the primer layer is selected from an acrylic resin, a polyurethane resin, or a polyamide resin, and a stable connection layer is constructed between the face paper and the adhesive. The acrylic resin effectively prevents ink penetration into the adhesive and enhances adhesion due to its good film-forming property, water resistance, and chemical resistance; the polyurethane resin protects the face paper in all directions due to its excellent flexibility, wear resistance, and low-temperature resistance, ensuring the overall stability of the self-adhesive paper under different environmental conditions; and the polyamide resin relies on its high melting point, good thermal stability, and resistance to oil, solvents, and other properties to strengthen the bonding force with special inks, guarantee the performance stability of the self-adhesive paper during high-temperature processing, and avoid the phenomenon of adhesive flow or deterioration.

[0016] Excellent adhesive adaptability: A wide variety of adhesive types are available, including acrylic, rubber, and silicone adhesives. Rubber adhesives offer strong initial tack and good flexibility, allowing for quick application and adaptation to objects of various shapes and surfaces, making them suitable for packaging applications such as carton sealing and temporary labeling. Acrylic adhesives exhibit outstanding weather resistance, water resistance, and chemical resistance, with strong adhesion to a variety of materials, making them widely used in outdoor advertising, automotive signage, and electronic product labels. Silicone adhesives offer excellent release properties and high-temperature resistance, allowing for repeated application. They are suitable for reusable labels, memo pads, and in fields requiring high temperature resistance and chemical stability, such as electronics manufacturing and aerospace, meeting the diverse adhesive needs of various industries.

[0017] Excellent release properties and diverse material options: The release coating in the backing paper structure is composed of silicone resin, fluorocarbon compounds, or waxes, which effectively reduces the adhesion between the self-adhesive and the backing paper, ensuring easy peeling of the self-adhesive facesheet and maintaining a stable release effect in various environments. Backing paper options include ordinary backing paper or glassine backing paper. Ordinary backing paper is low-cost and suitable for general applications; glassine backing paper has high tensile strength, smoothness, and transparency, meeting the needs of applications requiring higher label quality. This diverse material selection provides users with a wide range of choices based on different cost budgets and quality requirements. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 for Figure 1 A magnified view of part A in the diagram.

[0020] In the diagram: 1. Top layer; 2. Backing paper; 3. Face paper; 4. Coating; 5. Undercoat; 6. Adhesive; 7. Release coating; 8. Through-hole. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-2 A breathable self-adhesive paper includes a surface layer 1 with a backing paper structure. The backing paper structure is adhered to the bottom of the surface layer 1 by an adhesive 6, and the backing paper structure can be peeled off separately from the bottom of the surface layer 1. Multiple sets of through holes 8 are provided on the backing paper structure, the surface layer 1, and the adhesive 6, and the through holes 8 on the backing paper structure, the surface layer 1, and the adhesive 6 correspond to each other.

[0023] Further, the surface layer 1 comprises a face paper 3, a coating layer 4 and a primer layer 5, the coating layer 4 is arranged at the bottom of the face paper 3, and the primer layer 5 is arranged at the bottom of the coating layer 4, and the coating layer 4 is provided with a through hole 8, which increases the coating layer 4, and the face paper 3 is subjected to corona treatment or printing treatment, so as to change the characteristics of the surface material, such as tension, color, increase the protective layer, etc., so as to improve the adhesion of the ink and the printing quality.

[0024] Further, the face paper 3 is any one of copper paper, PET, PVC, kraft paper or laser paper, which is used for printing patterns, characters and other information.

[0025] Further, the primer layer 5 is any one of acrylic resin, polyurethane resin or polyamide resin, the acrylic resin has good film-forming property, water resistance and chemical resistance, and can form a stable connecting layer between the face paper and the adhesive. At the same time, it has good affinity to various inks and pigments, which helps to improve the printing quality, so that the patterns and characters are clearer and more firm. As the primer layer 5 material, the acrylic resin can enhance the adhesion between the face paper and the adhesive, prevent the ink from penetrating into the adhesive 6 during the printing process, affect the adhesion, and also improve the overall stability and durability of the adhesive paper. The polyurethane resin has excellent flexibility, wear resistance and scratch resistance, and can withstand a certain degree of stretching and friction without breaking. In addition, the polyurethane resin also has good low-temperature resistance and can maintain good physical properties in cold environments. In the adhesive paper, the polyurethane resin primer layer can provide additional protection for the face paper to prevent mechanical damage during processing and use. At the same time, it can ensure the good combination of the face paper 3 and the adhesive 6 under different temperature conditions, and improve the applicability of the adhesive paper in various environments. The polyamide resin has a high melting point and good thermal stability, and has strong adhesion to many materials. The polyamide resin also has certain oil resistance and solvent resistance, and can resist the erosion of oil and organic solvents to a certain extent. As a primer, the polyamide resin can enhance the bonding force between the adhesive paper and the oil-based or solvent-containing ink, making the printed patterns more firm. At the same time, its thermal stability helps to maintain the performance stability of the adhesive paper during high-temperature processing, preventing the adhesive from flowing or deteriorating at high temperatures.

[0026] Further, the adhesive 6 is any one of an acrylate type adhesive, a rubber type adhesive, and a silicone type adhesive. The rubber type adhesive uses natural rubber or synthetic rubber as the main component, and adds tackifying resin, softening agent, anti-aging agent, and other additives. It has good initial tack, can quickly adhere to the surface of the adherend, and has fast sticking speed. At the same time, it has good flexibility, can adapt to objects of different shapes and surfaces, and can withstand the deformation and vibration of the object to a certain extent. It is commonly used in the packaging industry, such as carton sealing tape, label stickers, etc., and can quickly stick and fix the package. It is also commonly used in some temporary sticking occasions, such as poster sticking in exhibitions and displays, temporary identification sticking, etc., which is convenient and fast to arrange and remove. The acrylate type adhesive is made of acrylate monomers through polymerization reaction, and can be divided into solvent type, emulsion type, and hot melt type, etc. It has excellent weather resistance, water resistance, and chemical resistance, and can maintain stable adhesion under different environmental conditions. It has strong adhesion to a variety of materials, including plastics, metals, glass, etc., and is firmly and durably adhered. It is widely used in outdoor advertising, car identification, electronic product labeling, etc. In outdoor environments, it can maintain adhesion for a long time, so that advertising stickers, signs, etc. are not easy to fall off. In electronic product manufacturing, it can be used to stick electronic component labels, and can withstand various environmental tests during the production process. The silicone type adhesive uses polysiloxane as the main component, has extremely low surface energy and good thermal stability and chemical stability. It has excellent release performance, can be repeatedly adhered and peeled off, and will not leave glue on the surface of the adherend. At the same time, it has outstanding high temperature resistance, can maintain adhesion and performance stability in high temperature environments. It is commonly used in products that require reusable labels and sticky notes. In the fields of electronics manufacturing, aerospace, etc. that require high temperature resistance and chemical stability, it is also used to stick various components and signs, such as temporary fixing of electronic components, labeling of aerospace components, etc.

[0027] Further, the base paper structure includes a release coating layer 7 and a base paper 2, the release coating layer 7 is connected with the base paper 2, the release coating layer 7 is any one of silicone resin, fluorocarbon compound and wax, and the silicone resin is one of the most commonly used components in the release coating layer. It has the characteristics of low surface energy, good thermal stability and chemical stability, etc., and can form a uniform and smooth film on the surface of the substrate, so that the adhesive face material and the substrate have good release effect. Whether in normal temperature or high temperature environment, it can maintain stable performance, and ensure that the adhesive can be separated smoothly under different conditions. Fluorocarbon compound has extremely low surface energy, which can significantly reduce the adhesion between the adhesive and the substrate. At the same time, fluorocarbon compound also has excellent water resistance, oil resistance and chemical corrosion resistance, which can effectively protect the substrate from the influence of external environment, improve the service life and performance stability of the release coating layer. It is commonly used for adhesive products with high release requirements and used in harsh environments. Waxes such as paraffin wax and microcrystalline wax are also common components of release coating layer. They can form a soft and smooth protective film on the surface of the substrate, play the role of isolation and lubrication, and make the adhesive face material easy to peel off. The wax component can also give the release coating layer certain flexibility and moisture resistance, improving its comprehensive performance.

[0028] Further, the base paper 2 is a common base paper or a glassine base paper.

[0029] Structure description:

[0030] Surface layer 1:

[0031] Composition: composed of face paper 3, coating layer 4 and coating bottom layer 5.

[0032] Face paper 3: can be any one of copper paper, PET, PVC, kraft paper or laser paper. The main function is to print patterns, text and other information to meet the needs of identification, promotion and other needs in different scenes. For example, copper paper has high gloss and good printing suitability, which is suitable for printing high-quality color patterns; PET material has excellent weather resistance and mechanical properties, which is commonly used for outdoor labels or occasions with high durability requirements; PVC material has good flexibility and can be used for sticking on irregular object surfaces; kraft paper has a natural and simple style, which is commonly used for some product packaging that pursues natural style; laser paper has unique optical effects and is commonly used for anti-counterfeiting labels or decoration of high-end products.

[0033] Coating layer 4: provided at the bottom of the face paper 3 and provided with through holes 8. Through corona treatment or printing treatment of the face paper 3, the surface material properties are changed, such as increasing the surface tension, making the ink adhere better, or changing the color, providing an additional protective layer for the face paper 3, etc., so as to improve the adhesion of the ink and the printing quality, and ensure that the printed pattern is clear and durable.

[0034] The primer 5 can be any one of acrylic resin, polyurethane resin or polyamide resin. The acrylic resin has good film-forming property, water resistance and chemical resistance, can form a stable connecting layer between the face paper 3 and the adhesive 6, enhance the adhesion of the face paper 3 and the adhesive 6, prevent the ink from penetrating into the adhesive 6 during printing, affect the adhesion, and has good affinity to various inks and pigments, which helps to improve the printing quality, makes the pattern and text clearer and firmer, and improves the overall stability and durability of the adhesive paper; the polyurethane resin has excellent flexibility, wear resistance and scratch resistance, can withstand a certain degree of stretching and friction without breaking, also has good low-temperature resistance, can still maintain good physical properties in cold environment, provides additional protection for the face paper 3, prevents it from being mechanically damaged during processing and use, ensures the good combination of the face paper 3 and the adhesive 6, and improves the applicability of the adhesive paper in various environments; the polyamide resin has a high melting point and good thermal stability, has strong adhesion to many materials, also has certain oil resistance and solvent resistance, can resist the erosion of oil and organic solvents to a certain extent, enhances the bonding force between the adhesive paper and the oily or solvent-containing ink, makes the printed pattern more firm, and its thermal stability helps to maintain the performance stability of the adhesive paper during high-temperature processing, prevents the adhesive 6 from flowing or deteriorating at high temperature.

[0035] The base paper structure:

[0036] Composition: including the release coating 7 and the base paper 2.

[0037] The release coating 7 can be any one of silicone resin, fluorocarbon compound and wax. Silicone resin is one of the most commonly used components in the release coating 7, has low surface energy, good thermal stability and chemical stability, etc., can form a uniform and smooth film on the surface of the substrate, makes the adhesive face material and the substrate have good release effect, can maintain stable performance at room temperature or high temperature environment, and ensures that the adhesive can be easily separated under different conditions; fluorocarbon compound has extremely low surface energy, can significantly reduce the adhesion between the adhesive and the substrate, also has excellent water resistance, oil resistance and chemical corrosion resistance, can effectively protect the substrate from the influence of external environment, improve the service life and performance stability of the release coating 7, and is commonly used in adhesive products with high release requirements and used in harsh environments; waxes such as paraffin wax and microcrystalline wax are also common components of the release coating 7, they can form a soft and smooth protective film on the surface of the substrate, play the role of isolation and lubrication, make the adhesive face material easy to peel off, also endow the release coating 7 with certain flexibility and moisture resistance, and improve its comprehensive performance.

[0038] Base paper 2: divided into ordinary base paper and glassine base paper. Ordinary base paper is relatively low in cost and suitable for general adhesive applications; glassine base paper has high tensile strength, smoothness and transparency, can better cooperate with the release coating 7, ensure the release effect, and is often used in occasions with high requirements for label quality, such as high-end product labels, electronic labels, etc.

[0039] Adhesive 6: can be any one of acrylate adhesive, rubber adhesive and silicone adhesive. Rubber adhesive takes natural rubber or synthetic rubber as the main component, and adds tackifying resin, softening agent, antioxidant and other additives, has good initial adhesion, can quickly adhere to the surface of the adherend, has fast sticking speed and good flexibility, can adapt to objects of different shapes and surfaces, can withstand deformation and vibration of the object to a certain extent, is often used in packaging industry, such as carton sealing tape, label stickers, etc., can quickly stick and fix the package, is also commonly used in some temporary sticking occasions, such as poster pasting in exhibition display, temporary identification sticking, etc., for convenient and fast arrangement and removal; acrylate adhesive is made of acrylate monomer through polymerization reaction, can be divided into solvent type, emulsion type and hot melt type, etc., has excellent weather resistance, water resistance and chemical resistance, can maintain stable adhesion under different environmental conditions, has strong adhesion to a variety of materials, including plastics, metals, glass, etc., has firm and durable sticking, is widely used in outdoor advertising, automobile identification, electronic product label, etc., in outdoor environment, can maintain adhesion for a long time, so that the advertising stickers, identification, etc. are not easy to fall off, in electronic product manufacturing, can be used for sticking electronic component labels, can withstand various environmental tests in the production process; silicone adhesive takes polysiloxane as the main component, has extremely low surface energy and good thermal stability and chemical stability, has excellent release performance, can realize repeated sticking and peeling, and will not leave glue on the surface of the adherend, has outstanding high temperature resistance, can maintain adhesion and performance stability in high temperature environment, is often used in labels and sticky notes that need to be reused, in fields such as electronic manufacturing and aerospace that require high temperature resistance and chemical stability, is also used for sticking various components and identification, such as temporary fixing of electronic components, label sticking of aerospace components, etc.

[0040] Through hole 8: a plurality of groups of through holes 8 are provided on the base paper structure base paper 2, release coating 7, surface layer 1 and adhesive 6, and the through holes 8 on the three correspond. The existence of these through holes 8 gives the adhesive paper air permeability, which can allow air circulation during use, avoid air bubbles, falling off and other problems caused by air unable to exhaust, and is suitable for application scenarios with air permeability requirements, such as some medical labels that need to contact the skin, air permeable packaging labels, etc.

[0041] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A breathable self-adhesive paper, comprising a surface layer (1) with a backing paper structure, characterized in that, The bottom paper structure is adhered to the bottom of the surface layer (1) by adhesive (6), and the bottom paper structure can be peeled off separately from the bottom of the surface layer (1). Multiple sets of through holes (8) are provided on the bottom paper structure, the surface layer (1) and the adhesive (6), and the through holes (8) on the bottom paper structure, the surface layer (1) and the adhesive (6) correspond to each other.

2. The self-adhesive paper with good air permeability according to claim 1, characterized in that: The surface layer (1) includes a face paper (3), a coating layer (4) and a base coat (5). The coating layer (4) is disposed at the bottom of the face paper (3), and the base coat (5) is disposed at the bottom of the coating layer (4). Through holes (8) are provided on the coating layer (4).

3. The self-adhesive paper with good air permeability according to claim 2, characterized in that: The face paper (3) is any one of coated paper, PET, PVC, kraft paper or laser paper.

4. The self-adhesive paper with good air permeability according to claim 2, characterized in that: The undercoat (5) is any one of acrylic resin, polyurethane resin or polyamide resin.

5. The self-adhesive paper with good air permeability according to claim 1, characterized in that: The adhesive (6) is any one of acrylic adhesive, rubber adhesive and silicone adhesive.

6. The self-adhesive paper with good air permeability according to claim 1, characterized in that: The base paper structure includes a release coating (7) and a base paper (2), the release coating (7) is connected to the base paper (2), and the release coating (7) is any one of silicone resin, fluorocarbon compound and wax.

7. The self-adhesive paper with good air permeability according to claim 6, characterized in that: The backing paper (2) is ordinary backing paper or glassine backing paper.

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