CN213472401U - High-barrier non-woven fabric - Google Patents

Abstract

The utility model discloses a high resistant separates non-woven fabrics, including the non-woven fabrics layer, the barrier layer on the top fixedly connected with on non-woven fabrics layer, the barrier layer under the bottom fixedly connected with on non-woven fabrics layer, the top of going up the barrier layer and the bottom of barrier layer down all bond fire-retardant layer, fire-retardant layer includes the fire-retardant layer of acrylic fiber, the fire-retardant layer of aramid fiber has been woven at the top on the fire-retardant layer of acrylic fiber. The utility model discloses a non-woven fabrics layer, go up the barrier layer, lower barrier layer, fire-retardant layer, the fire-retardant layer of acrylic fibre, the fire-retardant layer of aramid fibre, polyester-cotton blending fiber fire-retardant layer and high performance polyurethane adhesive layer cooperate, it is strong to possess fire behaviour, difficult burning, the advantage that the suitability is strong, current separation non-woven fabrics simple structure has been solved, fire behaviour is generally relatively poor, easy burning when meetting high temperature, make separation non-woven fabrics applicable environment receive the restriction, separation non-woven fabrics suitability has been reduced, the problem that people used is not convenient for.

Description

High-barrier non-woven fabric

Technical Field

The utility model relates to a non-woven fabrics technical field specifically is a high resistant separates non-woven fabrics.

Background

The non-woven fabric is also called non-woven fabric, and is formed from oriented or random fibre, so that it is called fabric because of its appearance and some properties, and said non-woven fabric has no warp and weft, and is very convenient for cutting and sewing, and its weight is light and easy to form, so that it is very popular with hand-made lovers.

The existing separation non-woven fabric is simple in structure, generally poor in flame retardant property and easy to burn when meeting high temperature, so that the application environment of the separation non-woven fabric is limited, the applicability of the separation non-woven fabric is reduced, and people cannot use the separation non-woven fabric conveniently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high resistant separates non-woven fabrics, it is strong to possess fire behaviour, and is difficult to burn, and the advantage that the suitability is strong has solved current separation non-woven fabrics simple structure, and fire behaviour is generally relatively poor, burns easily when meetting high temperature for separation non-woven fabrics suitable environment receives the restriction, has reduced separation non-woven fabrics suitability, the problem that people used not convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high resistant separates non-woven fabrics, includes the non-woven fabrics layer, barrier layer on the top fixedly connected with on non-woven fabrics layer, barrier layer under the bottom fixedly connected with on non-woven fabrics layer, it has fire-retardant layer all to bond with the bottom of barrier layer down to go up the top on barrier layer, fire-retardant layer includes the fire-retardant layer of acrylic fiber, the fire-retardant layer of aramid fiber has been woven at the top on the fire-retardant layer of acrylic fiber, the fire-retardant layer of polyester-cotton blend fiber has been woven at the top on the fire-retardant layer of.

Preferably, the non-woven fabrics layer is kept away from to last barrier layer and lower barrier layer one side all with acrylic fiber flame retardant coating fixed connection, the material of going up barrier layer and lower barrier layer is polytetrafluoroethylene.

Preferably, the material of the acrylic fiber flame-retardant layer is acrylic fiber, the material of the aramid fiber flame-retardant layer is aramid fiber, and the material of the polyester-cotton blend fiber flame-retardant layer is polyester-cotton blend fiber.

Preferably, all be provided with high performance polyurethane adhesive layer between fire-retardant layer and the last barrier layer, between fire-retardant layer and the lower barrier layer, the material of high performance polyurethane adhesive layer is high performance polyurethane.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a non-woven fabrics layer, go up the barrier layer, lower barrier layer, fire-retardant layer, the fire-retardant layer of acrylic fibre, the fire-retardant layer of aramid fibre, polyester-cotton blending fiber fire-retardant layer and high performance polyurethane adhesive layer cooperate, it is strong to possess fire behaviour, difficult burning, the advantage that the suitability is strong, current separation non-woven fabrics simple structure has been solved, fire behaviour is generally relatively poor, easy burning when meetting high temperature, make separation non-woven fabrics applicable environment receive the restriction, separation non-woven fabrics suitability has been reduced, the problem that people used is not convenient for.

2. The utility model discloses an upper barrier layer and lower barrier layer adopt polytetrafluoroethylene, the separation performance of non-woven fabrics has been strengthened, adopt acrylic fiber through acrylic fiber flame retardant layer, intensity is high, the resistance to sunlight is good, it is relatively lightfast, corrosion resistance is strong, the product that acrylic fiber surface fabric made is generally not afraid of the invasion and attack of acid, fire resistance is strong, adopt polyester-cotton blend fiber through polyester-cotton blend fiber flame retardant layer, elasticity and wearability are better under dry, wet condition, size is stable, the shrinkage rate is little, have the characteristics of sticking out, difficult fold, easy washing, fast drying, have good flame retardant property, adopt aramid fiber through aramid fiber flame retardant layer, have super high strength, high-modulus and high temperature resistant, acid and alkali resistant, light in weight, insulating, ageing resistance, life cycle, wide application in combined material, excellent fire retardance, heat resistance, through setting up high performance polyurethane adhesive layer, can reach the fire-retardant layer and go up barrier layer and lower barrier layer inseparable paste together.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the flame retardant layer structure of the present invention.

In the figure: 1 non-woven fabrics layer, 2 last barrier layers, 3 barrier layers down, 4 fire-retardant layers, 5 acrylic fiber fire-retardant layers, 6 aramid fiber fire-retardant layers, 7 polyester-cotton blend fiber fire-retardant layers, 8 high performance polyurethane gluing layers.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", 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 simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a non-woven fabrics layer 1, go up barrier layer 2, barrier layer 3, fire-retardant layer 4, the fire-retardant layer 5 of acrylic fibre, the fire-retardant layer 6 of aramid fibre, the fire-retardant layer 7 of polyester-cotton blend fiber and the 8 parts of high performance polyurethane adhesive layer are the parts that universal standard spare or technical field personnel know, and its structure and principle all are this technical staff and all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-2, a high-barrier non-woven fabric comprises a non-woven fabric layer 1, an upper barrier layer 2 is fixedly connected to the top of the non-woven fabric layer 1, a lower barrier layer 3 is fixedly connected to the bottom of the non-woven fabric layer 1, flame retardant layers 4 are respectively bonded to the top of the upper barrier layer 2 and the bottom of the lower barrier layer 3, each flame retardant layer 4 comprises an acrylic fiber flame retardant layer 5, an aramid fiber flame retardant layer 6 is woven on the top of the acrylic fiber flame retardant layer 5, a polyester-cotton blend fiber flame retardant layer 7 is woven on the top of the aramid fiber flame retardant layer 6, one sides of the upper barrier layer 2 and the lower barrier layer 3 far away from the non-woven fabric layer 1 are both fixedly connected with the acrylic fiber flame retardant layer 5, the upper barrier layer 2 and the lower barrier layer 3 are made of polytetrafluoroethylene, the acrylic fiber flame retardant layer 5 is made of acrylic fiber, the aramid fiber flame retardant layer 6 is, between fire-retardant layer 4 and last barrier layer 2, all be provided with high performance polyurethane adhesive layer 8 between fire-retardant layer 4 and the lower barrier layer 3, high performance polyurethane adhesive layer 8's material is high performance polyurethane, through non-woven fabrics layer 1, go up barrier layer 2, lower barrier layer 3, fire-retardant layer 4, the fire-retardant layer 5 of acrylic fiber, aramid fiber fire-retardant layer 6, the fire-retardant layer 7 of polyester-cotton blend fiber and high performance polyurethane adhesive layer 8 cooperate, it is strong to possess fire behaviour, difficult burning, the advantage that the suitability is strong, the current separation non-woven fabrics simple structure has been solved, fire behaviour is generally relatively poor, easy burning when meetting high temperature, make separation non-woven fabrics applicable environment receive the restriction, separation non-woven fabrics suitability has been reduced, the problem that people used is not convenient for.

When in use, the upper barrier layer 2 and the lower barrier layer 3 adopt polytetrafluoroethylene, the barrier property of the non-woven fabric is enhanced, the acrylic fiber flame-retardant layer 5 adopts acrylic fiber, the strength is high, the resistance to sunlight is good, the sun-proof performance and the corrosion resistance are high, products made of acrylic fabric are generally not affected by acid attack and have strong flame retardance, the polyester-cotton blended fiber flame-retardant layer 7 adopts polyester-cotton blended fiber, the elasticity and the wear resistance are good under dry and wet conditions, the size is stable, the shrinkage rate is small, the composite material has the characteristics of stiffness, uneasiness in creasing, easy washing and quick drying, has excellent flame retardance, the aramid fiber flame-retardant layer 6 adopts aramid fiber, has the excellent performances of ultrahigh strength, high modulus, high temperature resistance, acid and alkali resistance, light weight, insulation, ageing resistance, long life cycle and the like, is widely applied to composite materials, has excellent flame retardance and heat resistance, through setting up high performance polyurethane adhesive layer 8, can make fire-retardant layer 4 and last barrier layer 2 and the inseparable pasting together of barrier layer 3 down.

In summary, the following steps: this high resistant separates non-woven fabrics, through non-woven fabrics layer 1, go up barrier layer 2, barrier layer 3 down, fire-retardant layer 4, the fire-retardant layer 5 of acrylic fibre, aramid fibre fire-retardant layer 6, the fire-retardant layer 7 of polyester-cotton blend fiber and high performance polyurethane adhesive layer 8 cooperate, current separation non-woven fabrics simple structure has been solved, fire behaviour is generally relatively poor, easy burning when meetting high temperature, make separation non-woven fabrics applicable environment receive the restriction, separation non-woven fabrics suitability has been reduced, the problem that people used not convenient to.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. A high resistant separates non-woven fabrics, includes non-woven fabrics layer (1), its characterized in that: barrier layer (2) on the top fixedly connected with of non-woven fabrics layer (1), barrier layer (3) under the bottom fixedly connected with of non-woven fabrics layer (1), the top of going up barrier layer (2) and the bottom of lower barrier layer (3) all bond fire-retardant layer (4), fire-retardant layer (4) are including the fire-retardant layer of acrylic fiber (5), the fire-retardant layer of aramid fiber (6) has been woven at the top of the fire-retardant layer of acrylic fiber (5), polyester-cotton blend fiber flame retardant layer (7) has been woven at the top of the fire-retardant layer of aramid fiber (6).

2. The high barrier nonwoven fabric according to claim 1, wherein: go up barrier layer (2) and lower barrier layer (3) and keep away from one side of non-woven fabrics layer (1) all with acrylic fiber flame retardant coating (5) fixed connection, the material of going up barrier layer (2) and lower barrier layer (3) is polytetrafluoroethylene.

3. The high barrier nonwoven fabric according to claim 1, wherein: the material of the acrylic fiber flame-retardant layer (5) is acrylic fiber, the material of the aramid fiber flame-retardant layer (6) is aramid fiber, and the material of the polyester-cotton blend fiber flame-retardant layer (7) is polyester-cotton blend fiber.

4. The high barrier nonwoven fabric according to claim 1, wherein: all be provided with high performance polyurethane adhesive layer (8) between fire-retardant layer (4) and last barrier layer (2), between fire-retardant layer (4) and lower barrier layer (3), the material of high performance polyurethane adhesive layer (8) is high performance polyurethane.

Images