CN211000349U

CN211000349U - Nano silicon dioxide type polyurethane foam

Info

Publication number: CN211000349U
Application number: CN201921940105.XU
Authority: CN
Inventors: 康美平; 刘树强
Original assignee: Shenyang Heyi Polyurethane Co ltd
Current assignee: Shenyang Heyi Polyurethane Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-07-14
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a silica type polyurethane foam of nanometer, first foam blanket and second foam blanket that sets up including the symmetry, be equipped with first flame retardant coating and the second flame retardant coating that the symmetry set up between first foam blanket and the second foam blanket, all bond through the glue film between first flame retardant coating and second flame retardant coating and first foam blanket and the second foam blanket, one side that first foam blanket was kept away from to first flame retardant coating is equipped with first water blocking layer, one side that second foam blanket was kept away from to the second flame retardant coating is equipped with second water blocking layer, be equipped with the resistance to pressure layer between first water blocking layer and the second water blocking layer. The utility model discloses a multilayer structure's setting has strengthened the fire behavior and the compressive property of foam to the result of use of foam has been promoted.

Description

Nano silicon dioxide type polyurethane foam

Technical Field

The utility model relates to a foam technical field especially relates to a nanometer silica type polyurethane foam.

Background

Polyurethane foam products have become popular in human life, among which are polyurethane foam filled household articles such as seats, sofas, mattresses, and the like. The furniture filled with polyurethane foam has comfortable hand feeling, can absorb impact force and reduce vibration, and can adapt to the surface shape stressed by external force through stress relaxation. Polyurethane foam is therefore a preferred material for postural pads such as pillows, mattresses and the like.

However, the internal structure of the existing foam is simpler, the fireproof performance of the foam is poorer, and the pressure resistance is poorer, so that the using effect of the foam is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems of the prior art that the foam is simple in internal constitution, the fireproof performance of the foam is poor, and the pressure resistance is poor, and providing a nano silicon dioxide type polyurethane foam.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a silica type polyurethane foam of nanometer, first foam blanket and second foam blanket that sets up including the symmetry, be equipped with first flame retardant coating and the second flame retardant coating that the symmetry set up between first foam blanket and the second foam blanket, all bond through the glue film between first flame retardant coating and second flame retardant coating and first foam blanket and the second foam blanket, one side that first foam blanket was kept away from to first flame retardant coating is equipped with first water blocking layer, one side that second foam blanket was kept away from to the second flame retardant coating is equipped with second water blocking layer, be equipped with the resistance to pressure layer between first water blocking layer and the second water blocking layer.

Preferably, the first fireproof layer and the second fireproof layer are both magnesium hydroxide layers, and the thickness of the first fireproof layer and the second fireproof layer is 1mm-1.2 mm.

Preferably, the glue layer is a bio-hotmelt glue layer.

Preferably, the first water-resistant layer and the second water-resistant layer are both polyvinyl chloride layers and have the thickness of 1mm-1.2 mm.

Preferably, the pressure-resistant layer is a polyester film layer, and the thickness of the pressure-resistant layer is 0.5mm-0.8 mm.

Preferably, the first foam layer and the second foam layer are both polyurethane layers and have a thickness of 0.8mm to 1.2 mm.

The utility model discloses in, the fire behavior of foam has been strengthened in the setting of first flame retardant coating and second flame retardant coating, and the setting on colleague magnesium hydrate layer has strengthened the fire behavior of flame retardant coating, and the setting on first water blocking layer and second water blocking layer has strengthened the water blocking performance of foam, and the setting on polyvinyl chloride layer has strengthened the water blocking ability on water blocking layer simultaneously, and the elasticity of foam has been strengthened in the setting on resistance to pressure layer simultaneously. The utility model discloses a multilayer structure's setting has strengthened the fire behavior and the compressive property of foam to the result of use of foam has been promoted.

Drawings

Fig. 1 is a schematic structural diagram of a nanosilica type polyurethane foam proposed by the present invention;

fig. 2 is a schematic side view of a nano-silica type polyurethane foam according to the present invention.

In the figure: 1 first foam layer, 2 second foam layers, 3 first flame retardant coating, 4 second flame retardant coating, 5 glue films, 6 first water-proof layer, 7 second water-proof layer, 8 withstand voltage layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a nano-silica type polyurethane foam comprises a first foam layer 1 and a second foam layer 2 which are symmetrically arranged, a first fire-proof layer 3 and a second fire-proof layer 4 which are symmetrically arranged are arranged between the first foam layer 1 and the second foam layer 2, the first fireproof layer 3 and the second fireproof layer 4 are bonded with the first foam layer 1 and the second foam layer 2 through the glue layer 5, used for enhancing the stability between the fireproof layer and the foam layer, one side of the first fireproof layer 3, which is far away from the first foam layer 1, is provided with a first waterproof layer 6, for enhancing the water-blocking performance of the foam, one side of the second fireproof layer 4 far away from the second foam layer 2 is provided with a second water-blocking layer 7, the waterproof layer 8 is arranged between the first waterproof layer 6 and the second waterproof layer 7 and used for enhancing the elasticity of the foam.

The utility model discloses in, first flame retardant coating 3 and second flame retardant coating 4 are the magnesium hydrate layer, and thickness is 1mm-1.2mm, a fire behavior for reinforcing the flame retardant coating, glue film 5 is biological hot melt adhesive layer, first water blocking layer 6 and second water blocking layer 7 are the polyvinyl chloride layer, and thickness is 1mm-1.2mm, a water blocking ability for reinforcing the water blocking layer, the resistance to pressure layer 8 is the polyester film layer, and thickness is 0.5mm-0.8mm, strengthen the intensity of resistance to pressure layer 8, first foam blanket 1 and second foam blanket 2 are the polyurethane layer, and thickness is 0.8mm-1.2mm, strengthen the gas permeability of foam blanket.

The utility model discloses in, the fire behavior of foam has been strengthened in the setting of first flame retardant coating 3 and second flame retardant coating 4, and the setting on magnesium hydrate layer has strengthened the fire behavior of flame retardant coating simultaneously, and the setting on first water blocking layer 6 and second water blocking layer 7 has strengthened the water blocking performance of foam, and the setting on polyvinyl chloride layer has strengthened the water blocking ability on water blocking layer simultaneously, and the setting on resistance to pressure 8 has strengthened the elasticity of foam simultaneously.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a silica nano polyurethane foam, first foam blanket (1) and second foam blanket (2) including the symmetry setting, a serial communication port, be equipped with first flame retardant coating (3) and second flame retardant coating (4) that the symmetry set up between first foam blanket (1) and second foam blanket (2), all bond through glue film (5) between first flame retardant coating (3) and second flame retardant coating (4) and first foam blanket (1) and second foam blanket (2), one side that first foam blanket (1) was kept away from in first flame retardant coating (3) is equipped with first water blocking layer (6), one side that second foam blanket (2) were kept away from in second flame retardant coating (4) is equipped with second water blocking layer (7), be equipped with between first water blocking layer (6) and the second water blocking layer (7) withstand voltage layer (8).

2. The nanosilica type polyurethane foam according to claim 1, wherein the first flame retardant layer (3) and the second flame retardant layer (4) are both magnesium hydroxide layers and have a thickness of 1mm to 1.2 mm.

3. Nanosilica-based polyurethane foam according to claim 1, wherein the glue layer (5) is a biosoft glue layer.

4. Nanosilica type polyurethane foam according to claim 1, wherein the first and second water-resistant layers (6, 7) are both polyvinyl chloride layers and have a thickness of 1mm to 1.2 mm.

5. The nanosilica type polyurethane foam according to claim 1, wherein the pressure resistant layer (8) is a polyester film layer and has a thickness of 0.5mm to 0.8 mm.

6. The nanosilica polyurethane foam according to claim 1, wherein the first foam layer (1) and the second foam layer (2) are polyurethane layers and have a thickness of 0.8mm to 1.2 mm.