A waterproof and corrosion-resistant composite pearl cotton

Abstract

The utility model provides a waterproof and corrosion-resistant composite pearl cotton, which belongs to the field of EPE composite technology. It solves the problems that the current EPE pearl cotton has poor waterproof performance, lacks moisture resistance, and is easy to absorb moisture. The waterproof and corrosion-resistant composite pearl cotton includes a pearl cotton base layer and a protective layer wrapped on the pearl cotton base layer. The two sides of the pearl cotton base layer are respectively provided with a first groove and a second groove. A non-woven fabric layer is connected in the first groove. A connecting groove is provided on the upper surface of the non-woven fabric layer. An absorbent cotton layer is also provided on the non-woven fabric layer, and the lower surface of the absorbent cotton layer has a protrusion. An insulating layer is connected in the second groove. Wrapping it entirely with a protective layer can further increase the waterproof performance, effectively prevent water vapor from entering the pearl cotton base layer, increase moisture resistance, and the pearl cotton is not easy to absorb moisture.

Description

Technical Field

[0001] The utility model belongs to the technical field of pearl cotton fabrics and relates to a waterproof and corrosion-resistant composite pearl cotton. Background Art

[0002] EPE pearl cotton is a new type of environmentally friendly packaging material. It is composed of countless independent bubbles produced by physical foaming of low-density polyethylene resin. It overcomes the shortcomings of ordinary foamed glue that is fragile, deformed, and has poor recovery. It has many advantages such as waterproof and moisture-proof, shockproof, sound insulation, heat preservation, good plasticity, strong toughness, recycling, environmental protection, and strong impact resistance. It also has good chemical resistance and is an ideal substitute for traditional packaging materials. It is widely used in car seat cushions, pillows, electronic appliances, instruments and meters, computers, audio, medical equipment, industrial control chassis, hardware lighting, handicrafts, glass, porcelain, home appliances, spraying, furniture, alcohol and resin, etc. High-end fragile gift packaging, hardware products, toys, fruits, leather shoes inner packaging, daily necessities and other products packaging, as well as express packaging. After adding colored antistatic agents and flame retardants, its excellent performance is more obvious. It not only has a beautiful appearance, but also effectively prevents static electricity and ignition.

[0003] Because EPE pearl cotton foam material has special advantages, it not only does not pollute the environment, but can also be recycled repeatedly. With the advancement of time and the continuous development and application of products, EPE pearl cotton foam material will be more widely used in packaging and filling materials.

[0004] Pearl cotton itself is not moisture-proof and easy to absorb moisture, so it is easily affected in a humid environment, that is, water molecules can easily enter the interior of the pearl cotton material from the surface of the pearl cotton material. The surface of the pearl cotton is rough and has poor wear resistance and corrosion resistance. Summary of the invention

[0005] The purpose of the utility model is to provide a waterproof and corrosion-resistant composite pearl cotton with a compact structure and strong stability in view of the above-mentioned problems existing in the prior art.

[0006] The purpose of the present invention can be achieved by the following technical solutions:

[0007] A waterproof and corrosion-resistant composite pearl cotton, characterized in that it includes a pearl cotton base layer and a protective layer wrapped on the pearl cotton base layer, a first groove and a second groove are respectively provided on both sides of the pearl cotton base layer, a non-woven fabric layer is connected in the first groove, a connecting groove is provided on the upper surface of the non-woven fabric layer, an absorbent cotton layer is also provided on the non-woven fabric layer, and the lower surface of the absorbent cotton layer has a protrusion, and a thermal insulation layer is connected in the second groove.

[0008] The upper and lower parts of the pearl cotton base layer are respectively provided with a first groove and a second groove. The first groove is connected to a waterproof material, and the second groove is connected to a heat-insulating material. The entire pearl cotton base layer and each layer connected to the pearl cotton base layer are wrapped by a protective layer.

[0009] A non-woven fabric layer and a water-absorbent cotton layer are connected in the first groove, and the protrusion at the bottom of the water-absorbent cotton layer can be embedded in the connecting groove on the non-woven fabric layer, which can increase the connection stability between the non-woven fabric layer and the water-absorbent cotton layer. An insulation layer is also connected in the second groove to increase the thermal insulation performance.

[0010] Wrapping it entirely with a protective layer can further increase the waterproof performance, effectively prevent water vapor from entering the pearl cotton base layer, increase moisture resistance, and the pearl cotton is not easy to absorb moisture.

[0011] In the above-mentioned waterproof and corrosion-resistant composite pearl cotton, a waterproof layer is also arranged between the pearl cotton base layer and the protective layer, a third groove is also opened on both sides of the pearl cotton base layer, and flanges are also provided on both sides of the waterproof layer. The flanges are embedded in the third grooves, and the surface of the flanges is flush with the surface of the pearl cotton base layer.

[0012] A waterproof layer is also arranged between the pearl cotton base layer and the protective layer to further increase the waterproof performance of the composite material.

[0013] Third grooves are respectively opened on both sides of the upper part of the pearl cotton base layer, the waterproof layer is connected to the upper surface of the pearl cotton base layer, and the flanges on both sides of the waterproof layer are respectively embedded in the third grooves on both sides of the upper part of the pearl cotton base layer, so that the waterproof layer can be more stably and tightly connected to the pearl cotton base layer.

[0014] In the above-mentioned waterproof and corrosion-resistant composite pearl cotton, the upper surface of the non-woven fabric layer is flush with the upper surface of the pearl cotton base layer.

[0015] A nonwoven fabric layer and a water-absorbing cotton layer are glued in the first groove, the upper surface of the nonwoven fabric layer is flush with the upper surface of the pearl cotton base layer, and the lower surface of the water-absorbing cotton layer abuts against the upper surfaces of the nonwoven fabric layer and the pearl cotton base layer, with good integrity.

[0016] In the above-mentioned waterproof and corrosion-resistant composite pearl cotton, a reserved groove is also opened on the upper surface of the water-absorbing cotton layer, and the reserved groove is also filled with a desiccant.

[0017] In the above-mentioned waterproof and corrosion-resistant composite pearl cotton, the reserved grooves and the desiccant are evenly spaced along the length direction of the waterproof layer.

[0018] This enables the composite material to further improve its waterproofness.

[0019] In the above-mentioned waterproof and corrosion-resistant composite pearl cotton, there are a plurality of connecting grooves, which are evenly spaced along the length direction of the non-woven fabric layer, and the number of protrusions is aligned one by one with the number of connecting grooves.

[0020] The non-woven fabric layer is bonded to the water-absorbent cotton layer, and each protrusion of the water-absorbent cotton layer is located in the corresponding connecting groove of the non-woven fabric layer, thus increasing the connection tightness between the water-absorbent cotton layer and the non-woven fabric layer.

[0021] In the above-mentioned waterproof and corrosion-resistant composite pearl cotton, the protective layer is made of polyurethane material.

[0022] The waterproof layer made of polyurethane material has good waterproof effect.

[0023] In the above-mentioned waterproof and corrosion-resistant composite pearl cotton, the thickness of the pearl cotton base layer is 3-20mm, the thickness of the non-woven fabric layer is 1-8mm, the thickness of the thermal insulation layer is 1-8mm, the thickness of the absorbent cotton layer is 1-6mm, the thickness of the waterproof layer is 1-4mm, and the thickness of the protective layer is 1-2mm.

[0024] In the above-mentioned waterproof and corrosion-resistant composite pearl cotton, the surface of the protective layer is also coated with a TiAlSiN coating.

[0025] The composite material has good wear resistance and corrosion resistance and can protect the surface of the composite material.

[0026] Compared with the prior art, the waterproof and corrosion-resistant composite material has grooves on the upper and lower surfaces of the pearl cotton base layer, and connects a non-woven fabric layer, a thermal insulation layer, a water-absorbent cotton layer, etc. in the grooves, and then the entire pearl cotton base layer is wrapped by a protective layer to form a composite material, which can further increase the waterproof performance, effectively prevent water vapor from entering the pearl cotton base layer, increase moisture resistance, and pearl cotton is not easy to absorb moisture. Such good integrity can increase the overall stability and improve the waterproof performance of the composite material, and a TiAlSiN coating is coated on the surface of the protective layer to further increase corrosion resistance and wear resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the connection structure of the impact-resistant PE foam composite material.

[0028] Figure 2 It is a schematic diagram of the connection structure at the third groove in the impact-resistant PE foam composite material.

[0029] In the figure, 1, pearl cotton base layer; 2, first groove; 3, second groove; 4, non-woven fabric layer; 4a, connecting groove; 5, water-absorbent cotton layer; 5a, protrusion; 6, thermal insulation layer; 7, waterproof layer; 8, protective layer; 9, desiccant; 10, reserved groove; 11, flange; 12, third groove; 13, TiAlSiN coating. DETAILED DESCRIPTION

[0030] like Figure 1 and Figure 2 As shown, this is a waterproof and corrosion-resistant composite pearl cotton, characterized in that it includes a pearl cotton base layer 1 and a protective layer 8 wrapped on the pearl cotton base layer 1, a first groove 2 and a second groove 3 are respectively provided on both sides of the pearl cotton base layer 1, a non-woven fabric layer 4 is connected in the first groove 2, a connecting groove 4a is provided on the upper surface of the non-woven fabric layer 4, an absorbent cotton layer 5 is also provided on the non-woven fabric layer 4, and the lower surface of the absorbent cotton layer 5 has a protrusion 5a, and a thermal insulation layer 6 is connected in the second groove 3.

[0031] A waterproof layer 7 is also arranged between the pearl cotton base layer 1 and the protective layer 8. A third groove 12 is also opened on both sides of the pearl cotton base layer 1. The waterproof layer 7 also has flanges 11 on both sides. The flanges 11 are embedded in the third grooves 12, and the surface of the flanges 11 is flush with the surface of the pearl cotton base layer 1.

[0032] The upper surface of the non-woven fabric layer 4 is flush with the upper surface of the pearl cotton base layer 1 .

[0033] A reserved groove 10 is also provided on the upper surface of the water-absorbing cotton layer 5 , and a desiccant 9 is filled in the reserved groove 10 .

[0034] The reserved grooves 10 and the desiccant 9 are evenly spaced along the length direction of the waterproof layer 7 .

[0035] There are a plurality of connecting grooves 4a, which are evenly spaced along the length direction of the non-woven fabric layer 4, and the number of the protrusions 5a is aligned with the number of the connecting grooves 4a.

[0036] The protective layer 8 is made of polyurethane material.

[0037] The thickness of the pearl cotton base layer 1 is 3-20 mm, the thickness of the non-woven fabric layer 4 is 1-8 mm, the thickness of the thermal insulation layer 6 is 1-8 mm, the thickness of the water-absorbent cotton layer 5 is 1-6 mm, the thickness of the waterproof layer 7 is 1-4 mm, and the thickness of the protective layer 8 is 1-2 mm.

[0038] The surface of the protective layer 8 is further coated with a TiAlSiN coating 13 .

[0039] The upper and lower parts of the pearl cotton base layer 1 are respectively provided with a first groove 2 and a second groove 3, the first groove 2 is connected with a waterproof material, and the second groove 3 is connected with a heat-insulating material. The entire pearl cotton base layer 1 and each layer connected to the pearl cotton base layer 1 are wrapped by a protective layer 8.

[0040] A non-woven fabric layer 4 and an absorbent cotton layer 5 are connected in the first groove 2, and a protrusion 5a at the bottom of the absorbent cotton layer 5 can be embedded in the connecting groove 4a on the non-woven fabric layer 4, which can increase the connection stability between the non-woven fabric layer 4 and the absorbent cotton layer 5. An insulation layer 6 is also connected in the second groove 3 to increase the insulation performance.

[0041] A waterproof layer 7 is also connected to the water-absorbing cotton layer 5 and the pearl cotton base layer 1. Third grooves 12 are respectively provided on both sides of the upper part of the pearl cotton base layer 1. The waterproof layer 7 is connected to the upper surface of the pearl cotton base layer 1, and the flanges 11 on both sides of the waterproof layer 7 are respectively embedded in the third grooves 12 on both sides of the upper part of the pearl cotton base layer 1. In this way, the waterproof layer 7 can be more stably and tightly connected to the pearl cotton base layer 1, thereby improving the waterproof performance.

[0042] The pearl cotton base layer 1 is connected with the non-woven fabric layer 4, the thermal insulation layer 6, the absorbent cotton layer 5, the waterproof layer 7, and the protective layer 8 by adhesive bonding. The waterproof performance can be further increased by wrapping the entire pearl cotton base layer 1 with the protective layer 8. It can effectively prevent water vapor from entering the pearl cotton base layer 1, increase moisture resistance, and pearl cotton is not easy to absorb moisture. Such good integrity can increase the overall stability and improve the waterproof performance of the composite material, and a TiAlSiN coating 13 is coated on the surface of the protective layer to further increase corrosion resistance and wear resistance.

[0043] All technical features in this embodiment can be freely combined according to actual needs.

[0044] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A waterproof and corrosion-resistant composite pearl cotton, characterized in that: It includes a pearl cotton base layer and a protective layer wrapped on the pearl cotton base layer, wherein a first groove and a second groove are respectively provided on both sides of the pearl cotton base layer, a non-woven fabric layer is connected in the first groove, a connecting groove is provided on the upper surface of the non-woven fabric layer, an absorbent cotton layer is also provided on the non-woven fabric layer, and a protrusion is provided on the lower surface of the absorbent cotton layer, and a thermal insulation layer is connected in the second groove.

2. The waterproof and corrosion-resistant composite pearl cotton according to claim 1, characterized in that: A waterproof layer is also arranged between the pearl cotton base layer and the protective layer, a third groove is also opened on both sides of the pearl cotton base layer, and flanges are also provided on both sides of the waterproof layer. The flanges are embedded in the third grooves, and the surface of the flanges is flush with the surface of the pearl cotton base layer.

3. The waterproof and corrosion-resistant composite pearl cotton according to claim 2, characterized in that: The upper surface of the non-woven fabric layer is flush with the upper surface of the pearl cotton base layer.

4. The waterproof and corrosion-resistant composite pearl cotton according to claim 2, characterized in that: A reserved groove is also provided on the upper surface of the water-absorbing cotton layer, and a desiccant is filled in the reserved groove.

5. The waterproof and corrosion-resistant composite pearl cotton according to claim 4, characterized in that: The reserved grooves and the desiccant are evenly spaced along the length direction of the waterproof layer.

6. The waterproof and corrosion-resistant composite pearl cotton according to claim 1, characterized in that: There are a plurality of connecting grooves, which are evenly spaced along the length direction of the non-woven fabric layer, and the number of the protrusions is aligned one by one with the number of the connecting grooves.

7. The waterproof and corrosion-resistant composite pearl cotton according to claim 1, characterized in that: The protective layer is made of polyurethane material.

8. The waterproof and corrosion-resistant composite pearl cotton according to claim 2, characterized in that: The thickness of the pearl cotton base layer is 3-20 mm, the thickness of the non-woven fabric layer is 1-8 mm, the thickness of the thermal insulation layer is 1-8 mm, the thickness of the water-absorbing cotton layer is 1-6 mm, the thickness of the waterproof layer is 1-4 mm, and the thickness of the protective layer is 1-2 mm.

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