CN217803730U

CN217803730U - Multilayer structure sponge

Info

Publication number: CN217803730U
Application number: CN202221475690.2U
Authority: CN
Inventors: 张德彬; 李尚为
Original assignee: Huizhou Yongxingtai Garment Accessories Co ltd
Current assignee: Huizhou Yongxingtai Garment Accessories Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-11-15
Anticipated expiration: 2032-06-14

Abstract

The utility model discloses a multilayer structure sponge, including sponge basic unit, sponge basic unit's top is equipped with rubber asbestos layer, the one end of going up rubber asbestos layer and keeping away from sponge basic unit is equipped with waterproof sponge layer, the one end that rubber asbestos layer was kept away from on waterproof sponge layer is equipped with the latex skin, sponge basic unit's bottom is equipped with down rubber asbestos layer, the one end that sponge basic unit was kept away from on lower rubber asbestos layer is equipped with fire-retardant sponge layer, the one end that rubber asbestos layer was kept away from down on fire-retardant sponge layer is equipped with down the latex skin, the one end of waterproof sponge in situ portion is equipped with first TPU low temperature hot melt glued membrane, the inside packing of waterproof sponge in situ of first TPU low temperature hot melt glued membrane below has first PC bond line. The utility model discloses not only can reduce the phenomenon that the sponge produced deformation, and then prolonged the life of sponge, still make the waterproof performance of this sponge obtain promoting, improved the flame retardant property when the sponge uses moreover.

Description

Multilayer structure sponge

Technical Field

The utility model relates to a sponge technical field specifically is a multilayer structure sponge.

Background

The sponge belongs to a porous material, has good water absorption performance, is mainly used for cleaning articles, is mostly made of wood cellulose fibers or foamed plastic polymers, and is a natural sponge made of sponge animals, and when the sponge is selected, the touch feeling and the elasticity of the sponge are mainly judged in a touch manner, if the sponge touches soft touch feeling, the sponge is high in ductility, and the quality of the sponge can be judged to be excellent.

Although the sponge in the market has good flexibility, the sponge can be suitable for industries such as clothes, furniture, manufacturing and beauty, the sponge has general elastic resetting capability, so that the sponge is easy to deform after being used for a long time, the service life of the sponge is further influenced, and people are often troubled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multilayer structure sponge to the elasticity that proposes the sponge in solving above-mentioned background art can be general, makes the sponge easily produce the problem of deformation phenomenon.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multilayer structure sponge, includes sponge basic unit, sponge basic unit's top is equipped with rubber asbestos layer, the one end of going up rubber asbestos layer and keeping away from sponge basic unit is equipped with waterproof sponge layer, the one end that rubber asbestos layer was kept away from on waterproof sponge layer is equipped with the latex skin, sponge basic unit's bottom is equipped with down rubber asbestos layer, the one end that sponge basic unit was kept away from on rubber asbestos layer down is equipped with fire-retardant sponge layer, the one end that rubber asbestos layer was kept away from down on fire-retardant sponge layer is equipped with down the latex skin.

Preferably, the inside on waterproof sponge layer is equipped with first TPU low temperature hot melt adhesive membrane, first PC bond line and second TPU low temperature hot melt adhesive membrane in proper order, the one end of waterproof sponge in situ portion is equipped with first TPU low temperature hot melt adhesive membrane, through setting up first TPU low temperature hot melt adhesive membrane in the inside on waterproof sponge layer to make the waterproof performance of sponge obtain promoting.

Preferably, the waterproof sponge in situ portion below the first TPU low temperature hot melt adhesive membrane is filled with first PC bond line, the waterproof sponge in situ portion that first TPU low temperature hot melt adhesive membrane one end was kept away from to first PC bond line is pasted and is had second TPU low temperature hot melt adhesive membrane, the bottom of first TPU low temperature hot melt adhesive membrane is the ripple architecture, the top of second TPU low temperature hot melt adhesive membrane is the ripple architecture, pastes second TPU low temperature hot melt adhesive membrane in the waterproof sponge in situ portion of first TPU low temperature hot melt adhesive membrane one end through first PC bond line to make the waterproof performance of sponge obtain promoting.

Preferably, the inside on fire-retardant sponge layer is equipped with polyurethane foam layer, second PC bond line and lower polyurethane foam layer in proper order, the inside one end on fire-retardant sponge layer is equipped with polyurethane foam layer, through setting up polyurethane foam layer in the inside on fire-retardant sponge layer to make the fire behaviour of sponge promote.

Preferably, a second PC bonding layer is filled in the flame-retardant sponge layer below the upper polyurethane foaming layer, a lower polyurethane foaming layer is arranged in the flame-retardant sponge layer far away from one end of the upper polyurethane foaming layer, and the lower polyurethane foaming layer is adhered to the inner part of the flame-retardant sponge layer on one side of the upper polyurethane foaming layer through the second PC bonding layer, so that the flame retardant property of the sponge is improved.

Preferably, the bottom of going up the polyurethane foam layer is the ripple structure, the top on polyurethane foam layer is the ripple structure down, all sets up through the bottom that will go up the polyurethane foam layer and the top on polyurethane foam layer down and is the ripple structure to promote the area of contact of polyurethane foam layer and lower polyurethane foam layer and high temperature air.

Compared with the prior art, the beneficial effects of the utility model are that: the sponge with the multilayer structure can reduce the deformation of the sponge, further prolong the service life of the sponge, improve the waterproof performance of the sponge, and improve the flame retardant performance of the sponge during use;

(1) The upper rubber asbestos layer and the lower rubber asbestos layer are respectively arranged at the two ends of the sponge base layer, and the upper latex outer layer and the lower latex outer layer are used as the upper surface layer and the lower surface layer of the sponge, so that the flexibility of the sponge is improved, the elastic reset performance of the sponge can be enhanced, the phenomenon that the sponge deforms after being used for a long time is reduced, and the service life of the sponge is prolonged;

(2) The first TPU low-temperature hot melt adhesive film and the second TPU low-temperature hot melt adhesive film are adhered together through the first PC bonding layer and are arranged inside the waterproof sponge layer, and the waterproof performance of the sponge is improved because the first TPU low-temperature hot melt adhesive film and the second TPU low-temperature hot melt adhesive film have good waterproof performance;

(3) The upper polyurethane foam layer and the lower polyurethane foam layer are adhered together and arranged in the flame-retardant sponge layer through the second PC adhesive layer, and the upper polyurethane foam layer and the lower polyurethane foam layer have good flame-retardant performance, so that the flame-retardant performance of the sponge in use is improved.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention;

FIG. 3 is a schematic view of a partial cross-sectional structure of the waterproof sponge layer of the present invention;

fig. 4 is a schematic view of a partial sectional structure of the flame-retardant sponge layer of the present invention.

In the figure: 1. a sponge base layer; 2. a rubber asbestos layer is arranged; 3. a waterproof sponge layer; 301. a first TPU low-temperature hot melt adhesive film; 302. a first PC adhesive layer; 303. a second TPU low-temperature hot melt adhesive film; 4. coating an outer layer of latex; 5. a lower rubber asbestos layer; 6. a flame retardant sponge layer; 601. a polyurethane foaming layer is arranged; 602. a second PC adhesive layer; 603. a lower polyurethane foam layer; 7. and (5) coating an outer layer of latex.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a sponge with a multilayer structure comprises a sponge base layer 1, wherein an upper rubber asbestos layer 2 is arranged at the top end of the sponge base layer 1, a waterproof sponge layer 3 is arranged at one end, away from the sponge base layer 1, of the upper rubber asbestos layer 2, a first TPU low-temperature hot melt adhesive film 301, a first PC adhesive layer 302 and a second TPU low-temperature hot melt adhesive film 303 are sequentially arranged inside the waterproof sponge layer 3, and a first TPU low-temperature hot melt adhesive film 301 is arranged at one end inside the waterproof sponge layer 3;

when the waterproof sponge is used, the first TPU low-temperature hot melt adhesive film 301 is arranged inside the waterproof sponge layer 3, so that the waterproof performance of the sponge is improved;

a first PC bonding layer 302 is filled in the waterproof sponge layer 3 below the first TPU low-temperature hot melt adhesive film 301, a second TPU low-temperature hot melt adhesive film 303 is bonded in the waterproof sponge layer 3 at one end, away from the first TPU low-temperature hot melt adhesive film 301, of the first PC bonding layer 302, the bottom of the first TPU low-temperature hot melt adhesive film 301 is of a corrugated structure, and the top of the second TPU low-temperature hot melt adhesive film 303 is of a corrugated structure;

when the waterproof sponge is used, the second TPU low-temperature hot melt adhesive film 303 is adhered to the interior of the waterproof sponge layer 3 at one end of the first TPU low-temperature hot melt adhesive film 301 through the first PC adhesive layer 302, so that the waterproof performance of the sponge is improved;

an upper latex outer layer 4 is arranged at one end, far away from the upper rubber asbestos layer 2, of the waterproof sponge layer 3, a lower rubber asbestos layer 5 is arranged at the bottom end of the sponge base layer 1, a flame-retardant sponge layer 6 is arranged at one end, far away from the sponge base layer 1, of the lower rubber asbestos layer 5, an upper polyurethane foaming layer 601, a second PC bonding layer 602 and a lower polyurethane foaming layer 603 are sequentially arranged inside the flame-retardant sponge layer 6, and an upper polyurethane foaming layer 601 is arranged at one end inside the flame-retardant sponge layer 6;

when the flame-retardant sponge is used, the upper polyurethane foam layer 601 is arranged inside the flame-retardant sponge layer 6, so that the flame retardant property of the sponge is improved;

a second PC adhesive layer 602 is filled in the flame-retardant sponge layer 6 below the upper polyurethane foam layer 601, and a lower polyurethane foam layer 603 is arranged in the flame-retardant sponge layer 6 at one end, far away from the upper polyurethane foam layer 601, of the second PC adhesive layer 602;

when the flame-retardant sponge is used, the lower polyurethane foam layer 603 is adhered to the interior of the flame-retardant sponge layer 6 on one side of the upper polyurethane foam layer 601 through the second PC adhesive layer 602, so that the flame retardant property of the sponge is improved;

the bottom of the upper polyurethane foam layer 601 is of a corrugated structure, and the top of the lower polyurethane foam layer 603 is of a corrugated structure;

when the air conditioner is used, the bottom of the upper polyurethane foaming layer 601 and the top of the lower polyurethane foaming layer 603 are both arranged to be corrugated structures, so that the contact areas of the upper polyurethane foaming layer 601 and the lower polyurethane foaming layer 603 and high-temperature air are increased;

the end of the flame-retardant sponge layer 6, which is far away from the lower rubber asbestos layer 5, is provided with a lower latex outer layer 7.

When the sponge is used, first the first TPU low-temperature hot melt adhesive film 301 is pasted through the first PC adhesive layer 302 and is arranged above the second TPU low-temperature hot melt adhesive film 303, so that the waterproof sponge layer 3 is formed, because the first TPU low-temperature hot melt adhesive film 301 and the second TPU low-temperature hot melt adhesive film 303 both have good waterproof performance, the waterproof performance of the sponge can be improved, so that the sponge can be suitable for a wet area to be used, then the upper polyurethane foam layer 601 is arranged above the lower polyurethane foam layer 603 through the second PC adhesive layer 602, so that the composition forms the flame-retardant sponge layer 6, because the upper polyurethane foam layer 601 and the lower polyurethane foam layer 603 both have good flame-retardant performance, the flame-retardant performance of the sponge is improved, the sponge can be suitable for a part of high-temperature area to be used, finally, the sponge is arranged at two ends of the sponge base layer 1 through the upper rubber asbestos layer 2 and the lower rubber asbestos layer 5, the upper outer layer 4 and the lower latex layer 7 are used as the upper and lower surface layers of the sponge, so that the flexibility of the sponge can be improved, the sponge can be reset, and the sponge can be used, thereby reducing the sponge deformation phenomenon of the sponge is reduced.

Claims

1. The utility model provides a multilayer structure sponge, its characterized in that, includes sponge basic unit (1), the top of sponge basic unit (1) is equipped with rubber asbestos layer (2), the one end of going up rubber asbestos layer (2) and keeping away from sponge basic unit (1) is equipped with waterproof sponge layer (3), the one end of keeping away from rubber asbestos layer (2) on waterproof sponge layer (3) is equipped with latex skin (4), the bottom of sponge basic unit (1) is equipped with down rubber asbestos layer (5), the one end of keeping away from sponge basic unit (1) on rubber asbestos layer (5) down is equipped with fire-retardant sponge layer (6), the one end of keeping away from down rubber asbestos layer (5) on fire-retardant sponge layer (6) is equipped with down outer (7) of latex.

2. A multi-layered structural sponge according to claim 1, wherein: the waterproof sponge layer is characterized in that a first TPU low-temperature hot melt adhesive film (301), a first PC bonding layer (302) and a second TPU low-temperature hot melt adhesive film (303) are sequentially arranged inside the waterproof sponge layer (3), and the first TPU low-temperature hot melt adhesive film (301) is arranged at one end inside the waterproof sponge layer (3).

3. The sponge having a multi-layered structure as set forth in claim 2, wherein: the waterproof sponge layer (3) of first TPU low temperature hot melt adhesive membrane (301) below is inside to be filled with first PC bond line (302), waterproof sponge layer (3) inside paste that first TPU low temperature hot melt adhesive membrane (301) one end was kept away from in first PC bond line (302) has second TPU low temperature hot melt adhesive membrane (303), the bottom of first TPU low temperature hot melt adhesive membrane (301) is the ripple architecture, the top of second TPU low temperature hot melt adhesive membrane (303) is the ripple architecture.

4. A multi-layered structural sponge according to claim 1, wherein: the fireproof insulation layer is characterized in that an upper polyurethane foam layer (601), a second PC adhesive layer (602) and a lower polyurethane foam layer (603) are sequentially arranged in the flame-retardant sponge layer (6), and the upper polyurethane foam layer (601) is arranged at one end in the flame-retardant sponge layer (6).

5. The multi-layered structural sponge as set forth in claim 4, wherein: a second PC adhesive layer (602) is filled in the flame-retardant sponge layer (6) below the upper polyurethane foam layer (601), and a lower polyurethane foam layer (603) is arranged in the flame-retardant sponge layer (6) at one end, away from the upper polyurethane foam layer (601), of the second PC adhesive layer (602).

6. The multi-layered structural sponge according to claim 5, wherein: the bottom of the upper polyurethane foaming layer (601) is of a corrugated structure, and the top of the lower polyurethane foaming layer (603) is of a corrugated structure.