Low-Voc base-material-free double-sided adhesive tape

Abstract

The utility model discloses a low Voc base-material-free double faced adhesive tape which comprises first release paper, a bonding device is installed at the lower end of the first release paper, and second release paper is installed at the lower end of the bonding device. According to the low-Voc base-material-free double-sided adhesive tape disclosed by the utility model, the adhesive layer is arranged between the first release paper and the second release paper, so that the adhesive layer can be directly adhered without arranging a base material, and meanwhile, due to the design of the tearing tooth holes in the first release paper and the second release paper, the double-sided adhesive tape can be conveniently and quickly torn without scissors or cutting tools. The double-faced adhesive tape can be conveniently cut by tearing the tooth holes, the waterproof film is a top film with oil stain resistance and water resistance and is thin, the optical performance of the antireflection film cannot be changed, and the double-faced adhesive tape has good waterproof and flame-retardant performance by being matched with the flame-retardant adhesive; and the polyurethane adhesive has the characteristics of low VOC content, low or no environmental pollution, non-combustibility and the like, so that the performance of the double-sided adhesive tape is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of double-sided adhesive tapes, in particular to a low-Voc substrate-free double-sided adhesive tape. Background Art

[0002] Double-sided tape is a special double-sided adhesive product. It uses paper, cloth, or plastic film as the base material, and then elastomeric sub-sensitive adhesive or resin-type sub-sensitive adhesive is evenly coated on the above base material to make a roll of adhesive tape. It consists of three parts: base material, adhesive, and release paper (film) or silicone oil paper.

[0003] Most of the existing double-sided adhesive tapes are attached to the substrate, which will bring many restrictions when used, making it difficult to apply the double-sided adhesive tape freely and conveniently. In addition, the flame retardant and waterproof properties of the double-sided adhesive tape are also relatively general, and the use of the double-sided adhesive tape is easily affected when exposed to external open flames or splashing water droplets. Utility Model Content

[0004] The main purpose of the utility model is to provide a low-Voc substrate-free double-sided adhesive, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A low-Voc substrate-free double-sided adhesive comprises a first-grade release paper, a bonding device is installed at the lower end of the first-grade release paper, and a second-grade release paper is installed at the lower end of the bonding device.

[0007] Preferably, an adhesive layer is installed on the upper end of the No. 1 release paper, a waterproof film is installed on the upper end of the adhesive layer, a plurality of tearing holes are opened on the upper ends of the No. 1 release paper and the waterproof film, and a plurality of protruding blocks are installed on the front ends of the No. 1 release paper and the waterproof film. The adhesive layer between the No. 1 release paper and the No. 2 release paper can be directly bonded without setting a substrate, which is convenient for the use of the device. At the same time, the design of the tearing holes on the No. 1 release paper and the No. 2 release paper allows the double-sided adhesive to be easily cut through the tearing holes when there are no scissors or cutting tools.

[0008] Preferably, the bonding device includes a flame retardant adhesive, a polyurethane adhesive is installed at the lower end of the flame retardant adhesive, an acrylic adhesive is installed at the lower end of the polyurethane adhesive, and the flame retardant adhesive is installed between the first release paper and the second release paper. Through the design of the waterproof film, it is a top film with oil and water resistance, thin and does not change the optical properties of the anti-reflection film. The flame retardant adhesive makes the double-sided adhesive have good waterproof and flame retardant properties, and the polyurethane adhesive has the characteristics of low VOC content, low or no environmental pollution, and non-flammability, which further improves the performance of the double-sided adhesive.

[0009] Preferably, a plurality of tearing teeth holes are provided on the No. 1 release paper and the waterproof film at equal distances from left to right.

[0010] Preferably, the protrusion is semicircular in shape.

[0011] Preferably, the No. 1 release paper and the No. 2 release paper are symmetrically distributed up and down with the bonding device as the center.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. Through the design of the waterproof film on the No. 1 release paper, it is a top film with oil and water resistance, which is thin and will not change the optical properties of the anti-reflection film, and the flame retardant glue on the bonding device is an inorganic polymer adhesive formed by high temperature and high pressure polymerization of inorganic raw materials such as aluminum phosphate, magnesium silicate, sodium silicate, fire retardant, inorganic polymer polymerizer, etc., so that the double-sided adhesive has good waterproof and flame retardant properties. In addition, there is a bonding layer between the No. 1 release paper and the No. 2 release paper, which can be directly bonded without setting a substrate, which is convenient for the use of the device.

[0014] 2. Through the design of the tearing holes on the No. 1 release paper and the No. 2 release paper, when there are no scissors or cutting tools, the double-sided tape can be easily cut through the tearing holes, and the design of the raised blocks on the release paper also makes it easy for people to pull up the release paper.

[0015] 3. The polyurethane adhesive in the bonding device is an important component of the rapidly developing polyurethane resin, and has excellent performance, especially the water-based polyurethane adhesive has the characteristics of low VOC content, low or no environmental pollution, and non-flammability, which further improves the performance of the double-sided adhesive. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a low-Voc substrate-free double-sided adhesive of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of a No. 1 release paper of a low-Voc substrate-free double-sided adhesive of the utility model;

[0018] Figure 3 The utility model is a schematic diagram of the overall structure of a bonding device of a low-Voc substrate-free double-sided adhesive.

[0019] In the figure: 1. Release paper No. 1; 2. Release paper No. 2; 3. Adhesive device; 10. Waterproof film; 11. Raised block; 12. Adhesive layer; 13. Tear-off holes; 30. Flame retardant glue; 31. Polyurethane adhesive; 32. Acrylic glue. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] like Figure 1-3 As shown, a low-Voc substrate-free double-sided adhesive comprises a No. 1 release paper 1, a bonding device 3 is installed at the lower end of the No. 1 release paper 1, and a No. 2 release paper 2 is installed at the lower end of the bonding device 3.

[0024] An adhesive layer 12 is installed on the upper end of the No. 1 release paper 1, and a waterproof film 10 is installed on the upper end of the adhesive layer 12. A plurality of tearing holes 13 are opened on the upper ends of the No. 1 release paper 1 and the waterproof film 10, and a plurality of protruding blocks 11 are installed on the front ends of the No. 1 release paper 1 and the waterproof film 10. The adhesive layer between the No. 1 release paper 1 and the No. 2 release paper 2 can be directly bonded without setting a substrate, which is convenient for the use of the device. At the same time, the design of the tearing holes 13 on the No. 1 release paper 1 and the No. 2 release paper 2 allows the double-sided adhesive to be conveniently cut through the tearing holes 13 when there are no scissors or cutting tools.

[0025] The bonding device 3 includes a flame retardant adhesive 30, a polyurethane adhesive 31 is installed at the lower end of the flame retardant adhesive 30, an acrylic adhesive 32 is installed at the lower end of the polyurethane adhesive 31, and the flame retardant adhesive 30 is installed between the first release paper 1 and the second release paper 2. Through the design of the waterproof film 10, it is a top film with oil and water resistance, thin and does not change the optical properties of the anti-reflection film. With the flame retardant adhesive 30, the double-sided adhesive has good waterproof and flame retardant properties, and the polyurethane adhesive 31 has the characteristics of low VOC content, low or no environmental pollution, non-flammability, etc., which further improves the performance of the double-sided adhesive.

[0026] A plurality of tearing holes 13 are provided on the No. 1 release paper 1 and the waterproof film 10 at equal distances from left to right.

[0027] The protruding block 11 is semicircular in shape.

[0028] The first release paper 1 and the second release paper 2 are symmetrically distributed up and down with the bonding device 3 as the center.

[0029] It should be noted that the utility model is a low-Voc substrate-free double-sided adhesive. Through the design of the tearing holes 13 on the No. 1 release paper 1 and the No. 2 release paper 2, when there are no scissors or cutting tools, the double-sided adhesive can be conveniently cut through the tearing holes 13, and the design of the raised blocks 11 on the release paper also makes it easy for people to pull up the release paper. Through the design of the waterproof film 10 on the No. 1 release paper 1, it is a top film with oil and water resistance, which is thin and does not change the optical properties of the anti-reflection film, and the flame retardant glue 30 on the bonding device 3 is composed of aluminum phosphate, magnesium silicate, sodium silicate, fire retardant An inorganic polymer adhesive is formed by high temperature and high pressure polymerization of inorganic raw materials such as agents and inorganic polymer polymerization agents, so that the double-sided adhesive has good waterproof and flame retardant properties. At the same time, the polyurethane adhesive 31 is an important component of the rapidly developing polyurethane resin, and has excellent performance, especially the water-based polyurethane adhesive has the characteristics of low VOC content, low or no environmental pollution, and non-flammability, which further improves the performance of the double-sided adhesive. In addition, there is a bonding layer between the No. 1 release paper 1 and the No. 2 release paper 2, which can be directly bonded without setting a substrate, which is convenient for the use of the device.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A low-Voc substrate-free double-sided adhesive, comprising a No. 1 release paper (1), characterized in that: The first release paper (1) is provided with an adhesive device (3) at the lower end, and the second release paper (2) is provided at the lower end of the adhesive device (3); the first release paper (1) is provided with an adhesive layer (12) at the upper end, and the waterproof film (10) is provided with an adhesive layer (12) at the upper end, and the first release paper (1) and the waterproof film (10) are provided with a plurality of tearing teeth holes (13) at the upper ends, and the first release paper (1) and the waterproof film (10) are provided with a plurality of protruding blocks (11) at the front ends; the adhesive device (3) comprises a flame retardant adhesive (30), the lower end of the flame retardant adhesive (30) is provided with a polyurethane adhesive (31), the lower end of the polyurethane adhesive (31) is provided with an acrylic adhesive (32), and the flame retardant adhesive (30) is provided between the first release paper (1) and the second release paper (2).

2. The low-Voc substrate-free double-sided adhesive according to claim 1, characterized in that: A plurality of tearing tooth holes (13) are provided at equal distances from left to right on the No. 1 release paper (1) and the waterproof film (10).

3. The low-Voc substrate-free double-sided adhesive according to claim 1, characterized in that: The protruding block (11) is semicircular in shape.

4. The low-Voc substrate-free double-sided adhesive according to claim 1, characterized in that: The No. 1 release paper (1) and the No. 2 release paper (2) are symmetrically distributed up and down with the bonding device (3) as the center.

Images