Foam with good water absorption effect

Abstract

The utility model discloses foam with a good water absorption effect, which comprises a foam body, the foam body comprises a base material layer, a water locking layer is adhered to an inner cavity of the base material layer through an adhesive, a water absorption layer is adhered to the top of the water locking layer through an adhesive, and an isolation layer is adhered to the bottom of the water locking layer through an adhesive. The water locking layer comprises a wrapping bag, an inner cavity of the wrapping bag is filled with macromolecular water-absorbent resin, the surface of the foam body is coated with a wear-resistant coating, the wear-resistant coating is formed by spraying Teflon into a film, the base material layer is made of EVA foam, and the base material layer is designed to be hollow. The base material layer, the water locking layer, the wrapping bag, the macromolecule water-absorbing resin, the water absorbing layer and the isolating layer are used in cooperation, good water absorbing performance can be achieved, water permeating into the packaging box can be adsorbed and locked, an electronic product cannot be damaged, and the safety of the electronic product can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of foam cotton, in particular to a foam cotton with good water absorption effect. Background Art

[0002] Foam is a material made by foaming plastic particles, referred to as foam. Foam has a series of characteristics such as elasticity, light weight, fast pressure-sensitive fixation, easy use, flexible bending, ultra-thin volume, and reliable performance. The foam currently on the market has poor water and energy absorption. When transporting electronic products, it is easy for the packaging box to get water due to various uncertain factors. Water penetrates into the electronic products, which can easily cause damage to the electronic products and make them unusable. Therefore, it is necessary to design a foam with good water absorption effect. Utility Model Content

[0003] The purpose of the utility model is to provide a foam with good water absorption effect, which has the advantage of good water absorption effect and solves the problems raised by the above-mentioned background technology.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solution: a foam with good water absorption effect, comprising a foam body, the foam body comprising a substrate layer, the inner cavity of the substrate layer is bonded with a water-locking layer by an adhesive, the top of the water-locking layer is bonded with a water-absorbing layer by an adhesive, and the bottom of the water-locking layer is bonded with an isolation layer by an adhesive;

[0005] The water-locking layer comprises a covering bag, the inner cavity of which is filled with a high-molecular water-absorbing resin.

[0006] Preferably, the surface of the foam body is sprayed with a wear-resistant coating, and the wear-resistant coating is made of Teflon spray film.

[0007] Preferably, the substrate layer is made of EVA foam, and the substrate layer adopts a hollow design.

[0008] Preferably, the water absorbing layer is made of a dehumidifier, and the dehumidifier is made of zeolite.

[0009] Preferably, the isolation layer is made of a waterproof membrane, and the waterproof membrane adopts a double-layer design.

[0010] Preferably, the covering bag is made of absorbent fiber, and the absorbent fiber is made of cotton fiber.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0012] 1. The utility model can achieve good water absorption performance through the coordinated use of the base material layer, the water-locking layer, the coating bag, the polymer water-absorbing resin, the water-absorbing layer and the isolation layer, thereby being able to absorb and lock the moisture that penetrates into the packaging box, without causing damage to the electronic products, and ensuring the safety of the electronic products.

[0013] 2. The utility model sprays a wear-resistant coating on the surface of the foam body, which can make the foam body have good wear resistance and extend its service life. The water-absorbing layer made of a dehumidifier can absorb the penetrated water. The water-locking layer made of a composite of a coating bag and a high-molecular water-absorbing resin can absorb and lock the water and prevent leakage. The isolation layer made of a waterproof film can prevent water seepage and leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal connection structure of the foam body of the utility model;

[0016] Figure 3 This is a schematic diagram of the internal connection structure of the water-locking layer of the utility model.

[0017] In the figure: 1. Foam body; 101. Base material layer; 102. Water-locking layer; 1021. Covering bag; 1022. High molecular water-absorbing resin; 103. Water-absorbing layer; 104. Isolation layer. DETAILED DESCRIPTION

[0018] 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.

[0019] The components of the present invention 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 conventional experimental methods. Example

[0020] See also Figure 1-Figure 3In order to achieve the purpose of good water absorption effect, this embodiment provides the following technical solutions, which specifically disclose: a foam with good water absorption effect, including a foam body 1, the foam body 1 includes a substrate layer 101, the inner cavity of the substrate layer 101 is bonded with a water-locking layer 102 by an adhesive, the top of the water-locking layer 102 is bonded with a water-absorbing layer 103 by an adhesive, and the bottom of the water-locking layer 102 is bonded with an isolation layer 104 by an adhesive, the surface of the foam body 1 is sprayed with a wear-resistant coating, and the wear-resistant coating is made of Teflon spray film, the substrate layer 101 is made of EVA foam, the substrate layer 101 adopts a hollow design, the water-absorbing layer 103 is made of a dehumidifier, and the dehumidifier is made of zeolite, the isolation layer 104 is made of a waterproof membrane, and the waterproof membrane adopts a double-layer design. Example

[0021] See also Figure 1-Figure 3 In order to achieve the purpose of locking in water, this embodiment provides the following technical solutions, which specifically disclose: the water-locking layer 102 includes a covering bag 1021, the inner cavity of the covering bag 1021 is filled with a polymer water-absorbing resin 1022, the covering bag 1021 is made of absorbent fiber, and the absorbent fiber is made of cotton fiber.

[0022] During use, by spraying a wear-resistant coating on the surface of the foam body 1, the foam body 1 can have good wear resistance and extend its service life. The water-absorbing layer 103 made of a dehumidifier can absorb the penetrated water. The water-locking layer 102 made of a composite of a coating bag 1021 and a polymer water-absorbing resin 1022 can absorb and lock the moisture and prevent leakage. The isolation layer 104 made of a waterproof film can prevent moisture from seeping out and leaking.

[0023] 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 foam with good water absorption effect, comprising a foam body (1), characterized in that: The foam body (1) comprises a base material layer (101), an inner cavity of the base material layer (101) is bonded with a water-locking layer (102) via an adhesive, a top of the water-locking layer (102) is bonded with a water-absorbing layer (103) via an adhesive, and a bottom of the water-locking layer (102) is bonded with an isolation layer (104) via an adhesive; The water-locking layer (102) comprises a coating bag (1021), and the inner cavity of the coating bag (1021) is filled with a high-molecular water-absorbing resin (1022).

2. The foam with good water absorption effect according to claim 1, characterized in that: The surface of the foam body (1) is sprayed with a wear-resistant coating, and the wear-resistant coating is made by spraying Teflon film.

3. The foam with good water absorption effect according to claim 1, characterized in that: The substrate layer (101) is made of EVA foam, and the substrate layer (101) adopts a hollow design.

4. The foam with good water absorption effect according to claim 1, characterized in that: The water absorbing layer (103) is made of a dehumidifier, and the dehumidifier is made of zeolite.

5. The foam with good water absorption effect according to claim 1, characterized in that: The isolation layer (104) is made of a waterproof membrane, and the waterproof membrane adopts a double-layer design.

6. The foam with good water absorption effect according to claim 1, characterized in that: The covering bag (1021) is made of water-absorbing fibers, and the water-absorbing fibers are made of cotton fibers.

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