WO2016182359A1

WO2016182359A1 - Raw fabric for special clothing of firefighter clothing and chemical protective clothing and special clothing manufactured thereby

Info

Publication number: WO2016182359A1
Application number: PCT/KR2016/004983
Authority: WO
Inventors: 김종기
Original assignee: 주식회사 산청
Priority date: 2015-05-13
Filing date: 2016-05-12
Publication date: 2016-11-17
Also published as: KR101614873B1; TWI606792B; TW201703664A

Abstract

The present invention relates to a raw fabric for special clothing of firefighter clothing and chemical protective clothing. Disclosed is a raw fabric for special clothing of firefighter clothing and chemical protective clothing, characterized by comprising: a first layer made of a heat-resisting or fire-retardant woven fabric; a second layer made of a thin film, which is provided on one side surface of the first layer and made of a flexible material having rubberlike elasticity such that, while making one side surface of the first layer waterproof, the second layer undergoes an extending/retracting deformation by means of an isotropic elastic force; and a third layer provided on one side surface of the second layer, the third layer forming a single fiber layer by connecting a space, which is formed between two raw fabrics, by a pile yarn having an elastic force.

Description

Special-purpose fabrics for firefighting and chemical protective suits and specialty suits produced thereby

The present invention relates to a special clothing fabric of fire and chemical protective clothing, and more particularly to a special clothing fabric of fire and chemical protective clothing that can safely protect users from fire suppression and chemicals from danger.

In general, fire and chemical protective clothing protects a worker's body from strong heat from a fire or water vapor from the hose and chemicals that are harmful to the human body.

Such fire fighting clothing is made of heat-resistant fibers and is composed of outer or lining overlapping or adhered to each other, and in some cases, an intermediate sense is added between the outer and inner linings.

As a prior art of such a fire fighting suit, there is a "patent lining of fire protection special clothing and special clothes thereby" (prior art 1) of Korean Patent Registration No. 10-0930511 proposed and filed by the applicant. Fire fighting suit according to the prior art 1 is made of a heat dissipation hood (1), a heat dissipation work suit (10), a heat dissipation gloves (2) and a heat dissipation shoe (3), as shown in FIG. And a middle feel 10b and a lining 10c.

The outer fabric 10a is composed of a heat-resistant fabric 12 on which aluminum 11 is deposited, as shown in an enlarged view, and reflects fire or radiant heat by the aluminum 11. The intermediate sense 10b is composed of a nonwoven fabric 13 to which a waterproof membrane 14 is attached, which dissipates heat by the nonwoven fabric 13 and at the same time is waterproofed by the membrane 14.

The lining 10c is quilted on the felt fabric 15 and consists of a flame retardant fabric 16 made of flame retardant fibers such as aromatic polyamide fibers (also referred to as 'aromatic polyamide fibers'), 15) and blocks the heat through the flame retardant fabric (16).

However, the fire fighting suit having the structure as described above, the outer fabric (10a), the intermediate fabric (10b) and the lining (10c) of the heat-resistant fabric (12) on which the aluminum (11) is deposited, the nonwoven fabric (13) with the membrane (14), the felt Since the fabric 15 and the flame retardant fabric 16 are formed, there is a problem that the weight of the coating is not only excessively increased but the thickness of the coating is excessively thick, and thus, the worker cannot perform the work smoothly.

In addition, the wear feeling is not only lowered due to the thickness of the felt fabric 15 constituting the lining 10c, but also the membrane 14 is worn or damaged while working directly with the felt fabric 15 of the lining 10c. There is.

Chemical protective clothing, on the other hand, is made of fabrics with chemical resistance and is used in chemical and chemical areas or industrial sites contaminated with hazardous chemicals. Such chemical protective clothing is made of a fabric such as aramid or nylon coated with a protective layer having excellent heat resistance and chemical resistance.

The prior art of such chemical protective clothing is "chemical protective clothing fabric and chemical protective clothing" (prior art 2) of Korean Patent Registration No. 10-0929207, proposed and filed by the present applicant.

Chemical protective clothing fabric of the prior art 2 is a woven fabric (A), chloroprene rubber layer (B), butyl rubber layer (F), fluorine-based polymer sequentially laminated on one surface of the fabric (A) as shown in FIG. It consists of a layer (D), the chloroprene rubber layer (B), the fluorine-type polymer layer (D), and the chemical protective film (E) which are sequentially laminated on the back surface of the fabric (A).

However, in the chemical protective clothing fabric of the prior art 2 as described above, since the chloroprene rubber layer (B) is laminated on both sides of the fabric (A), the composition is complicated, and the manufacturing process is complicated and material costs are high. Since the rubber layer is provided on both sides, there is a problem that it is too heavy when manufacturing a chemical protective suit.

In particular, the fabric for chemical protective clothing according to the prior art 2 may be easily torn by the impact because the film layer (E) is formed in a planar state, accordingly, when the protective film is made of chemical protective clothing torn of the film layer (E) There is a risk of chemical penetration through the gap.

The present invention has been made to solve the above problems, and has an object of providing a special clothing for fire and chemical protective clothing having a low thermal conductivity and excellent heat resistance that can safely protect the wearer even at high temperatures.

In addition, it can minimize wearer's fatigue with soft and excellent drying performance even at high humidity, and provides special clothing fabric of fire and chemical protective clothing that can block water penetrating from the outside and release the sweat inside the body smoothly. The purpose is.

In addition, the object of the present invention is to provide a special-purpose fabric of lightweight fire fighting clothing and chemical protective clothing that can exhibit enhanced chemical resistance, especially to liquid chemicals and gaseous chemicals, and improve the wearer's activity.

Technical concept of the present invention for achieving the above object, the first layer made of a heat-resistant or flame-retardant fabric, and a first layer made of a soft material having a rubber-like elasticity provided on one side of the first layer One fiber layer is formed by connecting the space formed between the second layer of the thin film that is elastically deformed by the isotropic elasticity and one side of the second layer and sealing the space formed between the two fabrics with elastic pile yarns while sealing one side of the film. It is achieved by a special-purpose fabric of fire and chemical protective clothing comprising a third layer.

Here, the first layer is preferably made of aramid fibers.

In addition, the first layer is PBI (Polybenzimidazole) and Para-Aramid (Para-Aramid) is characterized in that the special clothing fabric of fire and chemical protective clothing, characterized in that the blend.

In addition, the second layer is preferably composed of a membrane of a thin film made of Teflon-based resin.

In addition, the second layer is preferably formed integrally with the fourth layer made of a fabric of the same material as the first layer.

Further, it is preferable to further include a fifth layer made of a nonwoven fabric disposed between the second and the third layer to form a heat insulating layer.

In addition, it is preferable that an insulating space of the air layer is formed between the first layer, the second layer, and the third layer.

The third layer is preferably a three-dimensional air mesh in which pile yarns are formed between two mesh fabrics.

In addition, it is preferable that the third layer is a woven fabric which is woven together when the two-dimensional air mesh or the three-dimensional air mesh is integrally provided on the surface of the three-dimensional air mesh.

The three-dimensional air mesh preferably has holes formed in each of the two mesh fabrics having different sizes or the same size.

At least one of the two mesh fabrics is preferably hollow to provide pores in the cross section.

In addition, it is preferable to include a sixth layer that shields the other side of the first layer.

On the other hand, in another technical idea of the present invention for achieving the above object, it consists of a first layer made of heat-resistant or flame-retardant fabric, and a soft material provided on one side of the first layer and having a rubbery elasticity Watertight one side of the first layer is provided on the second layer of the thin film stretched and deformed by isotropic elasticity and one side of the second layer, and the space formed between the two fabrics is connected to a pile yarn having elastic force It is achieved by a special suit made of a special suit fabric of fire and chemical protective clothing comprising a third layer forming a fibrous layer.

According to the special-purpose fabric of the fire and chemical protective clothing according to the present invention, the first layer made of aramid fibers having excellent heat resistance, the second layer made of Teflon-based resin having excellent waterproof, windproof, moisture permeability, breathability and drying power and wearing comfort A multi-layered structure of a third layer made of a superior three-dimensional air mesh can be secured to protect the wearer from the danger of high temperature heat and fire.

In particular, the three-dimensional air mesh forming the third layer is excellent in breathability and drying power can be dried quickly after washing, not only convenient to use, but also lighter than other materials, so the fire suit and In the manufacture of chemical protective clothing, fire fighting and chemical protective clothing are lightened, improving the wearer's activity.

1 and 2 is a schematic view showing a conventional special fabric.

Figure 3 is an exploded perspective view showing a first embodiment of a special-purpose fabric according to the present invention.

Figure 4 is a cross-sectional view showing a first embodiment of a special-purpose fabric according to the present invention.

5 is a cross-sectional view showing a second embodiment of a special-purpose fabric according to the present invention.

6 is a cross-sectional view showing a third embodiment of a special-purpose fabric according to the present invention.

7 is a cross-sectional view showing a fourth embodiment of a special-purpose fabric according to the present invention.

8 is a cross-sectional view showing a fifth embodiment of a special-purpose fabric according to the present invention.

9 is a cross-sectional view showing a sixth embodiment of a special-purpose fabric according to the present invention.

10 is a cross-sectional view showing another embodiment of the third layer of the special clothing fabric according to the present invention.

The terms or words used in this specification and claims are not to be construed as being limited to the common or dictionary meanings, and the inventors can appropriately define the concept of terms in order to explain their invention in the best way. Based on the principle, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First embodiment

3 is an exploded perspective view showing a first embodiment of the special-purpose fabric according to the present invention, Figure 4 is a cross-sectional view showing a first embodiment of the special-purpose fabric according to the present invention.

Referring to the drawings, the special-purpose fabric according to the present invention is a soft material having a rubber-like elasticity is provided on one side of the first layer 100 made of heat-resistant or flame-retardant fabric, and the first layer 100 Consisting of one side of the first layer 100 while being provided on one side of the second layer 200, the second layer 200 of the thin film that is elastically deformed by the isotropic elasticity, two

fabrics

310, 320 It is composed of a third layer 300 to form a fiber layer by connecting the space formed between the with a pile yarn 330 having an elastic force.

In this case, the first layer 100, the second layer 200, and the third layer 300 may be coated with an adhesive by any one of a gravure, dot, and mesh method, and may be formed on one side of the first layer 100. The second layer 200 is attached, and the third layer 300 is attached to one side of the second layer 200.

In other words, the first layer 100 is made of a material having excellent heat resistance to high temperature heat, the first layer 100 is made of, for example, aramid fibers. Such aramid fibers may be either aromatic metaamide fibers or meta aramid fibers or para aramid fibers.

As described above, the aramid fiber forming the first layer 100 is excellent in heat resistance and flame retardancy, and has a tensile strength that does not increase no matter how much force is applied because a thin yarn having a thickness of about 5 mm can withstand a load of 2 tons.

As described above, the first layer 100 may be meta aramid fiber or para aramid fiber, but in some cases, the first layer 100 may be mixed with 40% of PBI (Polybenzimidazole) and 60% of Para-Aramid.

PBI is a flame resistant and thermally stable fiber that does not shrink or break even when exposed to flame and high temperature, and does not transfer heat to the inner layer.

As such, when the first layer 100 is blended with 40% PBI and 60% para-aramid fiber, and used as the outer surface of special clothing such as fire fighting suit or chemical protective suit, the firefighter can withstand a longer time at the fire suppression site. Have activity.

On the other hand, one side of the first layer 100 is provided with a second layer 200, the second layer 200 is made of a soft material having a rubber-like elastic while watertight one side of the first layer 100 It is made of a thin film that is elastically deformed by the isotropic elasticity.

As described above, the second layer 200 formed of a thin film elastically deformed and elastic may be formed of a membrane of a thin film made of a Teflon-based resin.

For example, the second layer 200 is a Gore-tex in the form of a thin film formed by increasing the number of Teflon-based resin to form a myriad of small holes, PTFE (excellent chemical resistance and does not change properties even at high temperatures) It can be composed of a film or membrane made of expanded polytetrafluoroethylen (EPTFE), which is polytetrafluoroethylene), waterproof, windproof, and breathable.

On the other hand, the third layer 300 is provided on one side of the second layer 200, the third layer 300 is a pile yarn 330 having an elastic force in the space formed between the two fabrics (310, 320) ) To form one fiber layer. The third layer 300 may be preferably made of a three-dimensional air mesh.

In detail, the three-dimensional air mesh connects the space formed between the two

fabrics

310 and 320 to the pile yarn 330 to form one fiber layer. At least one of the two

fabrics

310 and 320 is formed of a mesh fabric in which holes are densely drilled like a mesh. That is, both of the two

fabrics

310 and 320 are mesh fabrics or one of the two

fabrics

310 and 320 is formed of mesh fabrics.

In addition, when the two

fabrics

310 and 320 are made of a mesh fabric, the holes formed in each of the two fabric fabrics may have different sizes or may have the same size.

In addition, the mesh fabric may be formed with a hollow (P) to provide pores in the cross section as shown in FIG. Thus, when the hollow is formed in the mesh fabric is more excellent breathability and drying power.

Such a hollow P may be formed in both mesh fabrics as shown in FIG. 10, but in some cases, it may be formed only in any one of the mesh fabrics.

And, the fabric 310 (320) is provided on both sides with the center of the pile yarn 330 may be made of a heat-resistant or flame-retardant fabric, for example, aramid fibers or para aramid fibers or PBI (Polybenzimidazole) and para aramid ( Or Para-Aramid).

In addition, the pile yarn 330 connecting the two

fabrics

310 and 320 moves toward the other fabric when external force is applied to either

fabric

310 or 320 and then returns to its original state when the external force disappears. The elastic force is exerted to restore.

As described above, the special-purpose fabric of the present invention comprises a multi-layered structure of the first layer 100 made of aramid fibers, the second layer 200 made of Teflon-based resin, and the third layer 300 made of three-dimensional air mesh. Thus, the wearer can be safely protected even at a high temperature and has excellent activity.

In addition, the present invention can minimize the wearer's fatigue with a soft and excellent drying performance, can block the water penetrated from the outside and can release the sweat to the inside of the body smoothly so that the wearer can be active in a comfortable state and therefore wear for a long time Can be.

In addition, the present invention is the third layer 300 is made of a three-dimensional air mesh can be made lightweight to improve the wearer's activity, the cushioning force of the three-dimensional air mesh not only has excellent fit but also has excellent breathability water Dries quickly even when wet.

Second embodiment

On the other hand, the special fabric of the present invention may include aramid fibers, such as the first layer 100 in the second layer (200). This will be described based on FIG. 5.

Referring to the drawings, the special-purpose fabric according to the second embodiment is a Teflon-based resin having excellent water resistance, windproof, moisture permeability, as the first layer 100 made of aramid fibers having excellent heat resistance as in the first embodiment described above It is composed of a second layer 200 made of a third layer 300 made of a three-dimensional air mesh excellent in breathability, drying power and wearing comfort.

In particular, the fourth layer 400 is provided on the second layer 200 made of Teflon-based resin, and preferably, the fourth layer 400 is made of the same material as the first layer 100. For example, the fourth layer 400 may be any one of meta aramid fibers and para aramid fibers.

The fourth layer 400 is provided on the other side of the second layer 200 to face the first layer 100. At this time, the fourth layer 400 and the second layer 200 is attached by applying an adhesive in any one of the gravure, dot and mesh method. In addition, the fourth layer 400 and the first layer 100 are also attached by applying an adhesive in any one of the gravure, dot and mesh method.

As such, when the fourth layer 400 made of aramid fibers is provided on the other side of the second layer 200 according to the second embodiment, the aramid fibers having excellent heat resistance and flame retardancy have a double structure, and thus, Can be more secure.

Third embodiment

Meanwhile, the special dress fabric of the present invention may include a fifth layer 500 forming a heat insulation layer between the second layer 200 and the third layer 300. This will be described based on FIG. 6.

Referring to the drawings, the special-purpose fabric according to the third embodiment is a first layer 100 made of aramid fibers excellent in heat resistance, as described in the first embodiment described above, as a Teflon-based resin having excellent waterproof, windproof, and moisture permeability It is composed of a second layer 200 made of a third layer 300 made of a three-dimensional air mesh excellent in breathability, drying power and wearing comfort.

In particular, a fifth layer 500 is provided between the second layer 200 and the third layer 300 to form a heat insulation layer, and the fifth layer 500 is preferably made of a nonwoven fabric. In this case, the nonwoven fabric forming the fifth layer 500 may be attached to the third layer 300 by sewing or bonding to form the same as the third layer 300.

The nonwoven fabric forming the fifth layer 500 is preferably composed of at least one of high strength polyester fiber, aramid fiber or nylon fiber.

In particular, the nonwoven fabric is most preferably composed of PBO (Poly-phenylene benzobisoxazole) or meta or para aramid having high strength and excellent heat resistance and tensile strength. That is, the nonwoven fabric may be composed of various fibers, but is preferably composed of polyester or aramid-based fibers, most preferably composed of PBO or para-aramid.

As such, when the fifth layer 500 made of the nonwoven fabric is provided between the second layer 200 and the third layer 300 according to the third embodiment, a heat insulation layer is formed to more effectively block heat transmitted from the outside. The wearer can be safely protected from high temperature heat.

Fourth embodiment

On the other hand, in the special-purpose fabric of the present invention, the heat insulation space S of the air layer may be formed between the first layer 100, the second layer 200, and the third layer 300. This will be described based on FIG. 7.

Referring to the drawings, the special-purpose fabric according to the fourth embodiment is a first layer 100 made of aramid fibers with excellent heat resistance, waterproof, windproof, moisture-permeable Teflon-based resin as in the first embodiment described above It is composed of a second layer 200 made of a third layer 300 made of a three-dimensional air mesh excellent in breathability, drying power and wearing comfort.

In particular, the special-purpose fabric according to the fourth embodiment is a high-temperature insulation space (S) of the air layer formed between the first layer 100, the second layer 200 and the third layer 300 is transmitted from the outside The wearer can be protected from heat.

In this case, the first layer 100 and the second layer (for example, to form an insulating space S of the air layer between the first layer 100, the second layer 200 and the third layer 300). The thermal insulation space S of the air layer may be formed between the first layer 100 and the third layer 300 by being sewn or bonded at an edge or at a predetermined interval between the 200 and the third layer 300.

In some cases, a spacer (not shown) is provided between the first layer 100 and the second layer 200 so as to provide a heat insulating space S between the first layer 100 and the second layer 200. May be formed.

In this case, the spacer provided between the first layer 100 and the second layer 200 may, for example, protrude the Teflon-based resin constituting the second layer 200 in the form of a dot and the first layer 100. An insulating space may be formed between the second layers 200.

Fifth Embodiment

Meanwhile, the cloth for special clothing of the present invention may include a fabric 700 in which the third layer 300 is integrally provided on the other side of the double three-dimensional air mesh or the three-dimensional air mesh. This will be described based on FIG. 8.

Referring to the drawings, the special-purpose fabric according to the fifth embodiment is a Teflon-based resin having excellent waterproof, windproof, and moisture permeability, as the first layer 100 made of aramid fibers having excellent heat resistance as in the first embodiment described above. It is composed of a second layer 200 made of a third layer 300 made of a three-dimensional air mesh excellent in breathability, drying power and wearing comfort.

In particular, the third layer 300 includes a fabric 700 which is integrally provided on the other side of the two-dimensional air mesh or the three-dimensional air mesh. That is, the third layer 300 has a structure in which two three-dimensional air meshes are stacked or the fabric 700 is attached to the surface of the third layer 300.

At this time, the fabric 700 attached to the surface of the third layer 300 is made of a material (eg, knit) having excellent elasticity and fit, or made of a high strength polyester fiber or aramid-based material having excellent heat resistance and flame retardancy. At least one of fibers or nylon-based fibers.

As such, when the third layer 300 is formed of a double three-dimensional air mesh or the fabric 700 is provided on the surface of the third layer, the cushion between the second layer 200 and the wearer's skin is not only increased. The force is increased to improve the fit and to protect the wearer from high temperature heat.

Sixth embodiment

On the other hand, the special fabric of the present invention may include a sixth layer to shield the outer surface of the first layer. This will be described based on FIG. 9.

Referring to the drawings, the special-purpose fabric according to the sixth embodiment is a first layer 100 made of aramid fibers having excellent heat resistance, waterproof, windproof, moisture-permeable Teflon-based resin as in the first embodiment described above It is composed of a second layer 200 made of a third layer 300 made of a three-dimensional air mesh excellent in breathability, drying power and wearing comfort.

In particular, the sixth layer 600 is provided on the outer surface of the first layer 100 such that outside air cannot pass through the first layer 100. This sixth layer may be a Teflon-based resin.

That is, the teflon-based resin forming the sixth layer 600 is applied to the outer surface of the first layer 100 and is provided on the outer surface of the first layer 100, and is formed on the outer surface of the first layer 100. The liquid teflon-based resin forming the sixth layer 600 is applied and then cured to shield the outer surface of the first layer 100. The special-purpose fabric according to the sixth embodiment can be used in chemical protective clothing.

Meanwhile, the present invention is not limited to the above-described embodiments, but may be modified and modified without departing from the scope of the present invention, and such modifications and variations should be regarded as belonging to the technical spirit of the present invention. .

For example, the present invention is not limited to each embodiment, and all of the second to sixth embodiments may be applied to the first embodiment described above, or the second to sixth embodiments may be mixed and applied to the first embodiment.

In addition, the special clothing fabric of the present invention may be used as the outer or outer shell of fire fighting or chemical protective clothing, alternatively it may be used as lining or inner skin. In this case, when the special clothing fabric of the present invention is used as the outer fabric, the first layer 100 is used as a surface layer exposed to external heat, and the third layer 300 is used as an inner surface facing the wearer's skin.

***** Explanation of Codes ******

100: first layer 200: second layer

300: third layer 310, 320: fabric

330: pile yarn 400: the fourth layer

500: fifth layer 600: sixth layer

P: Hollow S: Insulated Space

Claims

A first layer of heat resistant or flame retardant fabric;

A second layer of a thin film provided on one side of the first layer and made of a soft material having rubber-like elasticity and being stretched and deformed by isotropic elasticity while sealing one side of the first layer;

The third layer is provided on one side of the second layer and connects the space formed between the two pieces of fabric with a pile yarn having elastic force to form a single fiber layer. fabric.
The method according to claim 1,

The first layer is a special clothing fabric of fire and chemical protective clothing, characterized in that made of aramid fibers.
The method according to claim 1,

The first layer is made of PBI (Polybenzimidazole) and para-aramid (Para-Aramid) blended, characterized in that the special clothing fabric of fire and chemical protective clothing.
The method according to claim 1,

The second layer is a special clothing fabric of fire and chemical protective clothing, characterized in that consisting of a membrane of a thin film made of Teflon-based resin.
The method according to claim 1,

The second layer

The fourth layer made of a fabric of the same material as the first layer; Special clothing fabric of the fire and chemical protective clothing, characterized in that it further comprises integrally formed.
The method according to claim 1,

The fifth layer made of a nonwoven fabric disposed between the second and the third layer to form a heat insulating layer; Fabric for special clothes of fire and chemical protective clothing further comprising.
The method according to claim 1,

Between the first layer, the second layer and the third layer is a special clothing fabric of fire and chemical protective clothing, characterized in that the insulating space of the air layer is formed.
The method according to claim 1,

The third layer is a special-purpose fabric of fire and chemical protective clothing, characterized in that the three-dimensional air mesh formed pile yarn between two mesh fabrics.
The method according to claim 8,

The three-dimensional air mesh is a special clothing fabric of fire and chemical protective clothing, characterized in that the holes formed in each of the two mesh fabrics have a different size or the same size with each other.
The method according to claim 8,

At least one of the two mesh fabric is a special clothing fabric of fire and chemical protective clothing, characterized in that the hollow is formed to provide pores in the cross-section.
The method according to claim 1,

The sixth layer for shielding the outer surface of the first layer; Fabric for special clothing of fire and chemical protective clothing further comprising.
A special suit made of a special suit fabric of the fire fighting suit and chemical protective suit according to any one of claims 1 to 11.