CN114351348A

CN114351348A - Novel composite material warming flocculus

Info

Publication number: CN114351348A
Application number: CN202011082786.8A
Authority: CN
Inventors: 沈进
Original assignee: Nantong Huaxue Textile Co ltd
Current assignee: Nantong Huaxue Textile Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2022-04-15

Abstract

The invention provides a novel composite material thermal insulating flocculus which comprises an air-proof upper layer, a storage air layer and an air-proof lower layer, wherein the air-proof upper layer and the air-proof lower layer are respectively arranged at the upper side and the lower side of the storage air layer, and the air-proof upper layer and the air-proof lower layer are made of the same material; the upper air-proof layer and the lower air-proof layer are made of composite materials of two-dimensional superfine acrylic fibers and low-melting-point fibers, and the outer surfaces of the two-dimensional superfine acrylic fibers and the low-melting-point fibers are coated with glue layers; the air storage layer is made of a composite material of hollow three-dimensional and acrylic staple fibers. The invention has simple structure, solves the problem of heat conductivity coefficient reduction of air storage of the flocculus and solves the problem of heat preservation by compounding various materials.

Description

Novel composite material warming flocculus

Technical Field

The invention mainly relates to the technical field of novel textile processing, in particular to a novel composite material thermal insulation flocculus which is suitable for flocculus process innovation and material application.

Background

The existing flocculus is made of two materials of cotton and polyester staple fiber, and has the defects of simple process, single material and poor heat retention. There are three factors that depend on the warmth retention of the material: 1. the better the air permeability of the surface of the material, the poorer the warming effect; 2. the larger the heat conductivity coefficient of the material is, the poorer the warming effect is; 3. whether air can be stored or not is also the main reason of heat preservation, because the heat conductivity coefficient of the air is 0.026, the air is a natural high-quality heat preservation material, all the heat preservation flocculus has excellent filling power, and because a large amount of air is stored in the inner side.

Then, in the actual life and work, the problem of heat preservation of the flocculus cannot be solved only from the three dimensions, and the flocculus is difficult to be suitable for high-quality life.

A chinese utility model patent has been published, application number cn200620077687.x, patent name: composite batting, application date: 2006-10-10, the invention relates to a composite flocculus, which comprises a high-crimp fiber layer, a thermal fiber layer compounded above the high-crimp fiber layer, and a polypropylene cloth layer compounded above the thermal fiber layer. The invention has reasonable structure, good heat retention and air permeability, is light and convenient, and is particularly suitable for being used as materials for manufacturing clothes, shoes and the like in alpine regions.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a novel composite material thermal insulating flocculus which comprises an air-permeation-proof upper layer 1, a storage air layer 2 and an air-permeation-proof lower layer 3, wherein the air-permeation-proof upper layer 1 and the air-permeation-proof lower layer 3 are respectively arranged on the upper side and the lower side of the storage air layer 2, and the air-permeation-proof upper layer 1 and the air-permeation-proof lower layer 3 are made of the same material;

the upper air-proof layer 1 and the lower air-proof layer 3 are made of composite materials of two-dimensional superfine acrylic fibers and low-melting-point fibers, and the outer surfaces of the two-dimensional superfine acrylic fibers and the low-melting-point fibers are coated with glue layers;

the air storage layer 2 is made of a composite material of hollow three-dimensional and acrylic staple fibers.

In use, technological innovation is carried out aiming at three dimensionalities of the warming of the flocculus, the problem that the heat conductivity coefficient is reduced due to air storage of the flocculus is solved through compounding of various materials, the warming problem is solved preferably, and the glue layer is arranged by spraying glue special for environment-friendly spinning.

Set up above-mentioned structure, the upper surface of preventing ventilative upper strata 1 and preventing ventilative lower floor 3 sprays special glue of environmental protection weaving and carries out closely knit processing, and its effect is just like covering one deck film for the flocculus, has greatly reduced the gas permeability of flocculus.

Preferably, the proportion of acrylic staple fibers in the air storage layer 2 is 40%.

By adopting the structure, the storage air layer 2 needs yellow light to store air, after hollow three-dimensional carding of the instrumented chemical fiber, the filling power is extremely high, 40% of acrylic staple fiber is added for composite carding, because the heat conductivity coefficient of terylene is 0.084, the heat conductivity coefficient of acrylic is 0.051, and in terms of heat retention alone, acrylic is known as artificial wool, the heat retention is greatly superior to that of terylene and cotton, and the heat conductivity coefficient of cotton is 0.071-0.073.

Preferably, the hollow three-dimensional and acrylic staple fibers are arranged in a staggered mode and carded into a net shape.

By adopting the structure, the crisscross hollow three-dimensional and acrylic staple fiber has the advantages of improving filling power, increasing uniformity and further ensuring warmth retention.

Preferably, prevent ventilative upper strata 1 and be provided with the multilayer, including upper strata and lower floor, the lower floor is close to one side setting of storage air bed 2, the lower floor becomes the cusp, and the upper surface of cusp and upper strata laminating, lower surface and the laminating of storage air bed 2.

Preferably, a void layer 4 is provided between the upper and lower layers.

Preferably, the air-permeation preventing lower layer 3 is provided with the same structure as the air-permeation preventing upper layer 1.

The invention has the beneficial effects that: simple structure, and solves the problems of reduced heat conductivity coefficient and heat preservation by air storage of the flocculus through compounding various materials.

Drawings

FIG. 1 is a block diagram of a first embodiment;

FIG. 2 is a structural view of the second embodiment;

FIG. 3 is a structural view of a third embodiment;

in the figure, the position of the upper end of the main shaft,

1. a gas-proof upper layer; 2. a storage air layer; 3. a gas-proof lower layer; 4. and (5) a hollow layer.

Detailed Description

In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.

In the first embodiment, as shown in fig. 1:

the invention comprises the following steps: the air-permeable storage container comprises an air-permeable prevention upper layer 1, a storage air layer 2 and an air-permeable prevention lower layer 3, wherein the air-permeable prevention upper layer 1 and the air-permeable prevention lower layer 3 are respectively arranged on the upper side and the lower side of the storage air layer 2, and the air-permeable prevention upper layer 1 and the air-permeable prevention lower layer 3 are made of the same material;

the upper air-permeable layer 1 and the lower air-permeable layer 3 are made of a composite material of two-dimensional superfine acrylic fibers and low-melting-point fibers, the outer surfaces of the two-dimensional superfine acrylic fibers and the low-melting-point fibers are coated with a glue layer, the glue layer is sprayed with environment-friendly special glue for spinning, and the upper surfaces of the upper air-permeable layer 1 and the lower air-permeable layer 3 are sprayed with the environment-friendly special glue for spinning for compacting treatment, so that the effect of the upper air-permeable layer is like covering a layer of film on a flocculus, and the air permeability of the flocculus is greatly reduced;

the storage air layer 2 is made of a composite material of hollow three-dimensional acrylic staple fibers and 40% of the acrylic staple fibers, the storage air layer 2 is used for storing air, after the hollow three-dimensional carding of the instrumented chemical fibers, the fluffiness is extremely high, 40% of the acrylic staple fibers are added for composite carding, because the thermal conductivity coefficient of terylene is 0.084, the thermal conductivity coefficient of acrylic is 0.051, the acrylic fibers are known as artificial wool only in terms of heat retention, the heat retention of the acrylic fibers is greatly superior to that of terylene and cotton, and the thermal conductivity of the cotton is 0.071-0.073.

In the present embodiment, preferably, the hollow three-dimensional and acrylic staple fibers are arranged in a staggered manner and carded into a net shape.

In the second embodiment, as shown in fig. 2:

the second embodiment further includes, on the basis of the first embodiment: prevent ventilative upper 1 and be provided with the multilayer, including upper strata and lower floor, the lower floor is close to one side setting of storage air bed 2, the lower floor becomes the cusp, and the upper surface of cusp laminates with the upper strata, and the lower surface laminates with storage air bed 2.

In this embodiment, it is preferable that a void layer 4 is provided between the upper layer and the lower layer.

By adopting the structure, the empty layer is used for isolating outside cold air, and the heat preservation performance of the flocculus can be further ensured.

In the third embodiment, as shown in fig. 3:

the third embodiment further includes, on the basis of the second embodiment:

in this embodiment, the air-proof lower layer 3 is preferably provided with the same structure as the air-proof upper layer 1, so that the heat retention performance of the flocculus can be further ensured.

The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.

Claims

1. The novel composite material warming flocculus is characterized by comprising an air-permeation-proof upper layer (1), a storage air layer (2) and an air-permeation-proof lower layer (3), wherein the air-permeation-proof upper layer (1) and the air-permeation-proof lower layer (3) are respectively arranged on the upper side and the lower side of the storage air layer (2), and the air-permeation-proof upper layer (1) and the air-permeation-proof lower layer (3) are made of the same material;

the upper air-permeable layer (1) and the lower air-permeable layer (3) are made of composite materials of two-dimensional superfine acrylic fibers and low-melting-point fibers, and the outer surfaces of the two-dimensional superfine acrylic fibers and the low-melting-point fibers are coated with glue layers;

the air storage layer (2) is made of a composite material of hollow three-dimensional and acrylic staple fibers.

2. The novel composite thermal batt of claim 1 wherein: the glue layer is arranged by spraying glue special for environment-friendly spinning.

3. The novel composite thermal batt of claim 2 wherein: the proportion of acrylic staple fibers in the air storage layer (2) is 40%.

4. The novel composite thermal batt of claim 3 wherein: the hollow three-dimensional and acrylic staple fibers are arranged in a staggered mode and combed into a net shape.

5. The novel composite thermal batt of claim 4 wherein: prevent ventilative upper strata (1) and be provided with the multilayer, including upper strata and lower floor, the lower floor sets up near one side of storage air bed (2), the lower floor becomes the cusp, and the laminating of cusp upper surface and upper strata, lower surface and storage air bed (2).

6. The novel composite thermal batt of claim 5 wherein: and a hollow layer (4) is arranged between the upper layer and the lower layer.

7. The novel composite thermal batt of claim 6 wherein: the air-proof lower layer (3) is provided with a structure the same as that of the air-proof upper layer (1).