Double faced adhesive tape with good tensile effect

Abstract

The utility model discloses a double-faced adhesive tape with good tensile effect, which comprises a double-faced adhesive tape body, the double-faced adhesive tape body comprises a base material layer, the base material layer comprises polyurethane fiber, a butadiene rubber layer and an EVA layer, the bottom of the base material layer is provided with a fireproof layer, and the fireproof layer comprises a chlorinated rubber layer and a phenolic resin layer. A plurality of polyurethane fibers and butadiene rubber layers which are distributed at equal intervals are arranged in an inner cavity of the EVA layer, the polyurethane fibers are located on the inner side of the butadiene rubber layer, the butadiene rubber layer is of an oval structure, the height of the butadiene rubber layer is 0.3-0.5 time of the thickness of the EVA layer, the phenolic resin layer is connected to the bottom of the EVA layer through acrylic glue, and the phenolic resin layer is connected to the bottom of the EVA layer through acrylic glue. And the chlorinated rubber layer is connected to the bottom of the phenolic resin layer through acrylic glue. The tensile resistance of the whole double faced adhesive tape body can be effectively improved through the base material layer, the polyurethane fiber, the butadiene rubber layer and the EVA layer.

Description

Technical Field

[0001] The utility model relates to the technical field of double-sided adhesive tapes, in particular to a double-sided adhesive tape with good anti-stretching effect. Background Art

[0002] Double-sided tape is a roll-shaped adhesive tape made of paper, cloth, plastic film, elastomer-type pressure-sensitive adhesive or resin-type pressure-sensitive adhesive. However, the existing double-sided tape lacks an anti-stretching protection mechanism, resulting in poor stretch resistance. Therefore, we propose a double-sided tape with good stretch resistance. Utility Model Content

[0003] The purpose of the utility model is to provide a double-sided adhesive tape with good tensile strength to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a double-sided tape with good tensile strength, comprising a double-sided tape body, wherein the double-sided tape body comprises a substrate layer, and the substrate layer comprises polyurethane fiber, a butadiene rubber layer and an EVA layer, and a fire-resistant layer is provided at the bottom of the substrate layer, and the fire-resistant layer comprises a chlorinated rubber layer and a phenolic resin layer.

[0005] Preferably, the inner cavity of the EVA layer is provided with a plurality of equally distributed polyurethane fibers and butadiene rubber layers, and the polyurethane fibers are located on the inner side of the butadiene rubber layer.

[0006] Preferably, the butadiene rubber layer has an elliptical structure, and the height of the butadiene rubber layer is 0.3-0.5 times the thickness of the EVA layer.

[0007] Preferably, the phenolic resin layer is connected to the bottom of the EVA layer through acrylic glue, and the chlorinated rubber layer is connected to the bottom of the phenolic resin layer through acrylic glue.

[0008] Preferably, a pressure-sensitive adhesive layer is provided on the bottom of the fire-resistant layer and the top of the base material layer, and a release paper layer is provided on the top of the upper pressure-sensitive adhesive layer.

[0009] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0010] 1. The utility model can effectively improve the tensile resistance of the entire double-sided adhesive body through the base material layer, polyurethane fiber, butadiene rubber layer and EVA layer.

[0011] 2. The utility model can improve the overall fire resistance of the double-sided adhesive tape body through the fire-resistant layer, the chlorinated rubber layer and the phenolic resin layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the substrate layer structure of the utility model;

[0014] Figure 3 This is a schematic diagram of the fire-resistant layer structure of the utility model.

[0015] In the figure: double-sided tape body 1, base material layer 11, polyurethane fiber 111, butadiene rubber layer 112, EVA layer 113, pressure-sensitive adhesive layer 12, release paper layer 13, fire-resistant layer 14, chlorinated rubber layer 141, phenolic resin layer 142. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] The double-sided adhesive body 1, substrate layer 11, polyurethane fiber 111, butadiene rubber layer 112, EVA layer 113, pressure-sensitive adhesive layer 12, release paper layer 13, fire-resistant layer 14, chlorinated rubber layer 141 and phenolic resin layer 142 components of the present application are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods. Example

[0018] See also Figure 1 and Figure 2 In order to improve the overall tensile strength of the double-sided tape body 1, this embodiment provides the following technical solution, which specifically discloses: it includes a double-sided tape body 1, the double-sided tape body 1 includes a base material layer 11, and the base material layer 11 includes a polyurethane fiber 111, a butadiene rubber layer 112 and an EVA layer 113, the inner cavity of the EVA layer 113 is provided with a plurality of equally distributed polyurethane fibers 111 and butadiene rubber layers 112, and the polyurethane fibers 111 are located on the inner side of the butadiene rubber layer 112, the butadiene rubber layer 112 is an elliptical structure, and the height of the butadiene rubber layer 112 is 0.3-0.5 times the thickness of the EVA layer 113, the polyurethane fibers 111, the butadiene rubber layer 112 and the EVA layer 113 can effectively improve the overall tensile strength of the double-sided tape body 1. Example

[0019] See also Figure 1 and Figure 3In order to improve the overall fire resistance of the double-sided adhesive tape body 1, this embodiment provides the following technical solutions, which specifically disclose: a fire-resistant layer 14 is provided at the bottom of the substrate layer 11, and the fire-resistant layer 14 includes a chlorinated rubber layer 141 and a phenolic resin layer 142. The phenolic resin layer 142 is connected to the bottom of the EVA layer 113 through acrylic glue, and the chlorinated rubber layer 141 is connected to the bottom of the phenolic resin layer 142 through acrylic glue. A pressure-sensitive adhesive layer 12 is provided at the bottom of the fire-resistant layer 14 and the top of the substrate layer 11. A release paper layer 13 is provided on the top of the pressure-sensitive adhesive layer 12 located above. The chlorinated rubber layer 141 and the phenolic resin layer 142 can effectively improve the overall fire resistance of the double-sided adhesive tape body 1.

[0020] The working principle of this application is: the polyurethane fiber 111, the butadiene rubber layer 112 and the EVA layer 113 can effectively improve the overall tensile strength of the double-sided tape body 1, while the chlorinated rubber layer 141 and the phenolic resin layer 142 can effectively improve the overall fire resistance of the double-sided tape body 1.

[0021] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-sided adhesive tape with good tensile strength, comprising a double-sided adhesive tape body (1), characterized in that: The double-sided adhesive tape body (1) comprises a base material layer (11), wherein the base material layer (11) comprises polyurethane fiber (111), a butadiene rubber layer (112), and an EVA layer (113); a fire-resistant layer (14) is provided at the bottom of the base material layer (11), and the fire-resistant layer (14) comprises a chlorinated rubber layer (141) and a phenolic resin layer (142).

2. The double-sided tape with good tensile strength according to claim 1, characterized in that: The inner cavity of the EVA layer (113) is provided with a plurality of equally distributed polyurethane fibers (111) and a butadiene rubber layer (112), and the polyurethane fibers (111) are located on the inner side of the butadiene rubber layer (112).

3. The double-sided tape with good tensile strength according to claim 1, characterized in that: The butadiene rubber layer (112) has an elliptical structure, and the height of the butadiene rubber layer (112) is 0.3-0.5 times the thickness of the EVA layer (113).

4. The double-sided tape with good tensile strength according to claim 1, characterized in that: The phenolic resin layer (142) is connected to the bottom of the EVA layer (113) through acrylic glue, and the chlorinated rubber layer (141) is connected to the bottom of the phenolic resin layer (142) through acrylic glue.

5. The double-sided tape with good tensile strength according to claim 1, characterized in that: A pressure-sensitive adhesive layer (12) is provided on the bottom of the fire-resistant layer (14) and the top of the substrate layer (11), and a release paper layer (13) is provided on the top of the upper pressure-sensitive adhesive layer (12).

Images