A sound-absorbing, noise-reducing, self-adhesive, waterproof material

Abstract

This utility model discloses a sound-absorbing and noise-reducing self-adhesive waterproof material, belonging to the field of waterproof products. It includes, from top to bottom, a sound-absorbing and noise-reducing layer, a polymer waterproof layer, a water-absorbing layer, and a self-adhesive layer. This utility model's sound-absorbing and noise-reducing self-adhesive waterproof material effectively absorbs and reduces noise, provides double-layer waterproofing, and has high construction efficiency.

Description

Technical Field

[0001] This utility model relates to the field of waterproof products, and in particular to a sound-absorbing and noise-reducing self-adhesive waterproof material. Background Technology

[0002] With the acceleration of urbanization, noise pollution from transportation, industry, and construction is becoming increasingly serious. Along with the promotion of green building and sustainable development concepts, the requirements for the environmental friendliness and multifunctionality of waterproofing materials are constantly increasing. However, traditional waterproofing materials often struggle to simultaneously provide sound insulation and waterproofing. Therefore, this invention proposes a sound-absorbing and noise-reducing self-adhesive waterproofing material. Utility Model Content

[0003] The purpose of this invention is to provide a sound-absorbing, noise-reducing, self-adhesive, and waterproof material to solve the problems mentioned above.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: This utility model discloses a sound-absorbing and noise-reducing self-adhesive waterproof material, comprising, from top to bottom, a sound-absorbing and noise-reducing layer, a polymer waterproof layer, a water-absorbing layer, and a self-adhesive layer; the sound-absorbing and noise-reducing layer and the polymer waterproof layer, as well as the polymer waterproof layer and the water-absorbing layer, are bonded together by hot-melt bonding; the water-absorbing layer forms a water-blocking layer upon contact with water, protecting the polymer waterproof layer, thus giving the sound-absorbing and noise-reducing self-adhesive waterproof material a double-layer waterproof effect.

[0005] Furthermore, the side of the self-adhesive layer away from the absorbent layer is covered with a release film.

[0006] Furthermore, the sound-absorbing and noise-reducing layer has a thickness of 0.8-1.0 mm and is made of polyester fiber sound insulation material.

[0007] Furthermore, the polymer waterproof layer has a thickness of 0.8-1.2 mm and is injection molded from ethylene-vinyl acetate copolymer (EVA) resin, polyethylene (PE) resin, metallocene polyethylene (MPE) resin, special additives, and anti-aging agents.

[0008] Furthermore, the absorbent layer has a thickness of 0.3-0.5 mm and is injection molded from acrylic polymer resin and polyethylene resin.

[0009] Furthermore, the self-adhesive layer has a thickness of 0.25-0.3 mm and is made of hot melt pressure-sensitive adhesive.

[0010] Compared with the prior art, the beneficial technical effects of this utility model are as follows: This novel sound-absorbing and noise-reducing self-adhesive waterproof material effectively absorbs and reduces noise. Through the design of a polymer waterproof layer and a water-absorbing layer, the water-absorbing layer effectively blocks water upon contact with it, providing a certain degree of protection for the polymer waterproof layer. It offers a double-layer waterproof effect, improving the overall durability of the waterproof material. During construction, simply peel off the release film covering the self-adhesive layer, greatly improving construction efficiency. The self-adhesive layer achieves full adhesion, preventing water seepage. In summary, this novel sound-absorbing and noise-reducing self-adhesive waterproof material effectively absorbs and reduces noise, provides a double-layer waterproof effect, and offers high construction efficiency. Attached Figure Description

[0011] The present invention will be further described below with reference to the accompanying drawings.

[0012] Figure 1 This is a cross-sectional view of the sound-absorbing, noise-reducing, self-adhesive waterproof material of this utility model; Explanation of reference numerals in the attached diagram: 1. Sound-absorbing and noise-reducing layer; 2. Polymer waterproof layer; 3. Water-absorbing layer; 4. Self-adhesive layer; 5. Release film. Detailed Implementation

[0013] like Figure 1 As shown, a sound-absorbing and noise-reducing self-adhesive waterproof material includes, from top to bottom, a sound-absorbing and noise-reducing layer 1, a polymer waterproof layer 2, a water-absorbing layer 3, and a self-adhesive layer 4.

[0014] The side of the self-adhesive layer 4 away from the absorbent layer 3 is covered with a release film 5.

[0015] The sound-absorbing and noise-reducing layer 1, with a thickness of 0.8-1.0 mm, is made of polyester fiber sound insulation material. This material contains a large number of interconnected micropores and voids, allowing sound waves to repeatedly penetrate and diffract within these pores, increasing the propagation path and thus weakening the sound waves. Additionally, its surface roughness causes diffuse reflection of sound waves, reducing echoes. Therefore, it effectively achieves sound absorption and noise reduction.

[0016] The polymer waterproof layer 2 has a thickness of 0.8-1.2mm and is injection molded from ethylene-vinyl acetate copolymer (EVA) resin, polyethylene (PE) resin, metallocene polyethylene (MPE) resin, special additives and anti-aging agents.

[0017] The absorbent layer 3 has a thickness of 0.3-0.5 mm and is made of acrylic polymer resin and polyethylene resin by injection molding.

[0018] After the polymer waterproof layer 2 and the absorbent layer 3 are injection molded, they are then hot-melt laminated. The laminated melt is shaped and extruded, then traction and cooled by two rollers. After cooling, it enters the adhesive coating device, where adhesive is applied (using the self-adhesive layer 4 processing technology), and finally, the release film 5 is laid. Furthermore, the absorbent layer 3 effectively blocks water upon contact with water and provides a certain degree of protection for the polymer waterproof layer 2, giving the waterproof material a double-layer waterproof effect and greatly improving the waterproof performance.

[0019] The self-adhesive layer 4, with a thickness of 0.25-0.3mm, uses a hot-melt pressure-sensitive adhesive layer, which allows for full adhesion of the waterproof material and effectively prevents water seepage. During construction, simply peel off the release film 5 covering the self-adhesive layer 4, which greatly improves construction efficiency and ensures full adhesion of the self-adhesive layer, thus preventing water seepage.

[0020] The sound-absorbing and noise-reducing layer 1 and the polymer waterproof layer 2, as well as the polymer waterproof layer 2 and the water-absorbing layer 3, are all bonded together by hot-melt bonding.

[0021] The processing procedure for this utility model is as follows: First, ethylene-vinyl acetate copolymer (EVA) resin, polyethylene (PE) resin, metallocene polyethylene (MPE) resin, special additives, and anti-aging agents are heated and plasticized to form a polymer waterproof layer 2. Acrylic polymer resin and polyethylene resin are heated and plasticized to form a water-absorbing layer 3. Then, the polymer waterproof layer 2 and the water-absorbing layer 3 are hot-melt bonded together. After that, the polymer waterproof layer 2 is hot-melt bonded together with the sound-absorbing and noise-reducing layer 1. Finally, the bonded melt is shaped and extruded, then traction and cooled by two rollers. After cooling, it enters the coating device for coating the self-adhesive layer 4. After coating is completed, the release film 5 is applied.

[0022] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A sound-absorbing, noise-reducing, self-adhesive, waterproof material, characterized in that: The material includes, from top to bottom, a sound-absorbing and noise-reducing layer (1), a polymer waterproof layer (2), a water-absorbing layer (3), and a self-adhesive layer (4); the sound-absorbing and noise-reducing layer (1) and the polymer waterproof layer (2), as well as the polymer waterproof layer (2) and the water-absorbing layer (3), are all bonded together by hot-melt bonding; the water-absorbing layer (3) forms a water-blocking layer when it comes into contact with water, which protects the polymer waterproof layer (2), so that the sound-absorbing and noise-reducing self-adhesive waterproof material has a double-layer waterproof effect.

2. The sound-absorbing, noise-reducing, self-adhesive waterproof material according to claim 1, characterized in that: The side of the self-adhesive layer (4) away from the absorbent layer (3) is covered with a release film (5).

3. The sound-absorbing, noise-reducing, self-adhesive waterproof material according to claim 1, characterized in that: The sound-absorbing and noise-reducing layer (1) has a thickness of 0.8-1.0 mm and is made of polyester fiber sound insulation material.

4. The sound-absorbing, noise-reducing, self-adhesive waterproof material according to claim 1, characterized in that: The polymer waterproof layer (2) has a thickness of 0.8-1.2 mm and is injection molded from ethylene-vinyl acetate copolymer (EVA) resin, polyethylene (PE) resin, metallocene polyethylene (MPE) resin, special additives and anti-aging agents.

5. The sound-absorbing, noise-reducing, self-adhesive waterproof material according to claim 1, characterized in that: The absorbent layer (3) is 0.3-0.5 mm thick and is made of acrylic polymer resin and polyethylene resin by injection molding.

6. The sound-absorbing, noise-reducing, self-adhesive waterproof material according to claim 1, characterized in that: The self-adhesive layer (4) has a thickness of 0.25-0.3 mm and is made of hot melt pressure-sensitive adhesive.

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