KR20040097868A - A multi-functional portable and filter changeable anti-toxin mask - Google Patents

Abstract

PURPOSE: Provided is a multi-functional antigas mask capable of changing filter, which has air purifying function, water-repellency, rapid-dryness, protection from dust and smoke, deodorization and disinfection effect. CONSTITUTION: The multi-functional antigas mask capable of changing filter includes an outer fabric of a water-repellent and flame-retardant layer(1) formed of a natural fiber which has an air-permeability and is treated by a water-repellent and flame-retardant process; an inner fabric(3) having absorption and rapid dryness; and an air-purifying layer(2) disposed between the outer fabric(1) and the inner fabric(3), wherein the air-purifying layer(2) has an active carbon fiber(A.C.F) filter covered with a non-woven fabric. The filter is changed through a filter changing slit.

Description

A multi-functional portable and filter changeable anti-toxin mask}

The present invention uses the surface water repellent function to suppress the inflow of toxic substances in the liquid and quick drying function that can always provide a dry feeling even after long wearing, using a large specific surface area and fine pores of activated carbon fiber (ACF) Dust-proof, smoke-proof, gas-proof, deodorizing function , fire- retardant function in fire sterilization function by silver particles or silver fiber, luminous function by light reflection or self-luminescent fluorescence material, elastic band and molded plastic wire when sewing to fit user's face It features an adjustable molding function and is designed to be replaced with a new filter after use.

Conventional anti-gas mask has a purifying container filled with activated carbon powder on the face of PVC made of human face, which makes it inconvenient to carry and does not have hygroscopic function, resulting in sweating and micropores of activated carbon. Its size is non-uniform compared to activated carbon fiber (ACF), and it is difficult to breathe when used for a long time.

On the other hand, cotton masks, which are worn for the purpose of winter flu prevention or to prevent pollution or yellow dust problems during exercise, are hygroscopic but have no drying function. Rather than being harmful to health as a cause of bacterial growth, there is a fatal disadvantage that liquid toxic substances quickly enter the respiratory system due to lack of water repellent function. In addition, the "Multifunctional Simple Mask with Activated Carbon Fiber for Removing Toxic and Hazardous Gases (Application No. 2002-008255 2002. 02. 15)" filed by Dangan Anja (Yu Seung-gon, Choi Seong-Ryul) has applied silicone synthetic rubber and activated carbon fiber (ACF). As a functional mask used, it is light and small in volume compared to the conventional gas mask and is easy to carry and has excellent functionality.

The present invention is made of a breathable flame retardant and water-repellent cotton fabric (surface water-repellent flame retardant layer (1)), the specific surface area of 1,000 to 3,000 g / ㎡ size of activated carbon fibers (ACF) and silver fine particles Filter (air purification layer 2), a sectional cross-section yarn and a lining composed of polyolefin fibers and silver fibers (absorption quick drying layer 4). In addition, a filter exchange opening (4) is provided inside the mask to replace the filter after use, so that the length can be adjusted with a stopper (8) at the end of the mask for economical and emergency wearing within seconds. It is installed and easy to wear. In addition, a fluorescent material that can reflect light or emit light by itself is printed on the surface of the mask, making the structure easy to use and providing a safety function when walking at night. In addition, the edge of the mask is sewn with an elastic band (5), and the upper and lower inner surfaces of the mask are inserted into the molded plastic wire 15 having a length of 3 to 5 cm and a diameter of 5 mm or less to insert the mask on the skin. To be in close contact.

The present invention is easy to wear in an emergency and easy to carry, as well as the harmful components of the liquid during spraying pesticides to the human body does not easily catch fire in case of fire (surface water-repellent flame retardant layer (1)) is water-repellent and flame retardant processing Natural fiber such as cotton fiber is used and the lining (absorption quick drying layer (3)) is made of high absorption and super fast drying function to provide a comfortable fit even if worn for a long time. The built-in filter (2) made of ACF protects the human body from toxic substances in an emergency and the luminous material is printed on the surface of the mask to provide safety at night walking and easy identification in lifesaving activities. In addition, the molded plastic wire 15 and the elastic band 5 having excellent flexibility are treated at the edges of the mask to close the mask to the face to block gas inflow.

1 is a cross-sectional view of a mask according to the present invention.

2 is an exemplary view of a mask with an elastic tension strap 7 according to the present invention.

3 is an exemplary view in which the filter exchange port 4 is attached to the back of the mask according to the present invention.

4 is a cross-sectional view of the fabric of the lining (3) according to the present invention.

5 is a cross-sectional view of the release cross-section yarn 13 according to the present invention.

6 is a cross-sectional view of a molded plastic wire (Wire) 15 used in the present invention.

<Description of Signs of Major Parts of Drawings>

1. Outer material-(surface water repellent layer)

2. Filter- (air purification layer)

3. Lining- (Absorbent Dry Floor)

4. Filter change opening

5. Elastic band

6. Luminous printing part

7. Elasticity drawstring

8. Stopper

9. Absorption layer

10. Dry layer

11. Water drain

12. Non-woven fabric

13. Shaped section yarn

14. Silver yarn

15. Molded Plastic Wire

The present invention relates to a multi-functional gas mask portable mask that can be replaced by three layers of filters. More specifically, a fabric made of natural fibers such as breathable cotton, rayon and wool treated with water-repellent and flame-retardant processing is made of an outer fabric (surface water-repellent flame retardant layer (1)) and wrapped with a non-woven fabric (12) to heat the edge. A carbon fiber (ACF) filter 2 is embedded between the outer and the linings, and a mask made of a cross-section yarn 13, a fabric composed of polyolefin fibers and silver fibers 14 is used as the lining 3. In addition, the lining of the mask (absorption quick-drying layer (3)) is provided with a filter exchange opening (4) to replace the filter and the elastic tension strap (7) that can be adjusted in length with a stopper (8) for easy wearing in an emergency do. In addition, there is a luminous print portion 6 printed on the surface of the mask with luminous material so that the structure can be easily distinguished at night and underground, and the elastic band 5 and the molded plastic wire 15 having excellent flexibility. Is treated inside and around the mask to prevent gas ingress.

Hereinafter, the present invention will be described in detail.

The fabric used for the outer fabric (surface water repellent flame retardant layer 1) is composed of natural fibers such as breathable high-density cotton, rayon, wool and the like, which are water-repellent treated with fluorine or silicone resin. Compared with chemical fibers, natural fibers have less toxic gas generation and are safe even when ignited because they do not melt and fuse to the skin. On the other hand, fluorine-based or silicone-based resins give water repellent function that bounces water. When the material is surface treated on the fiber, liquid toxic substances such as pesticides do not enter the skin. Water repellent is treated by heat setting after 2-10% silicone or fluorine-based water repellent component is immersed after dyeing is completed. In addition, in case of fire, the flame retardant treatment is processed so that the fire does not stick to the mask surface. Flame-retardant processing is a process that gives self-extinguishing and low-combustibility when igniting, and processes the chemical agent containing elements such as phosphorus, nitrogen, antimony, chlorine, bromine, and boron to form a film around the fiber to cut off the supply of oxygen and incombustibility The gas is released to dilute the pyrolysis product to prevent the flame from lasting. The density of the fabric of the outer fabric (surface water-repellent flame retardant layer (1)) is suitable for the sum of the warp and the weft of 200 to 300 bones / inch. If the density of the fabric is less than 200 bones / inch, it is difficult to block toxic substances in the liquid, and if it exceeds 300 bones / inch, breathability is lowered when worn, which is inconvenient.

The air purification layer 2 consists of a woven or nonwoven filter woven from activated carbon fibers (A.C.F). The specific surface area of activated carbon fiber (ACF) is 1,000-2,500 g / m2, more than twice as large as the specific surface area of activated carbon (500-1,200 g / m2), and all pores are composed of only micropores. Its structure is uniform and the whole pore is adjacent to the surface, so it has better adsorption capacity and light weight than granular activated carbon (AC) in small amount. Activated carbon fiber can be processed into woven and non-woven fabrics, and if treated with sulfuric acid or hydrochloric acid to give surface functional groups, it can effectively treat polar and odorous substances such as hydrogen sulfide, ammonia, etc. and add metals such as silver, chromium and copper. Adhering can improve detoxification. As for the said metal substance added, 3-30 g / m <2> is suitable. If it is less than 3 g / m 2, the adsorption function cannot be improved. If it exceeds 30 g / m 2, the fine pores of the activated carbon fibers are blocked and the adsorption capacity is lowered. In addition, activated carbon fiber (A.C.F) is economical because it can continue to be used after the adsorption of the adsorbed gas due to the structural characteristics of the developed micropores. However, when exposed to a dangerous area for a long time there is no time to remove it, it is to be installed by sewing the filter exchange opening (4) to replace the new filter on the lining surface of the mask. In addition, activated carbon fiber (A.C.F) is embedded in the non-woven fabric (12) after heat treatment of its rim, because the carbon fine particles can bury the skin when absorbing moisture.

The absorbent quick-drying layer (3) used as the lining consists of a double-woven circular knitted fabric having an absorbent layer (9) composed of polyester or nylon release cross-section yarns and a dried layer (10) composed of polyolefins. There is a water drainage hole 11 of about 5 mm, and the silver fiber 14 containing 5 to 20 wt% of the total content of silver is arranged in the dry layer 10 at regular intervals to have antibacterial and hygienic functions. The release cross-section yarn 13 has an absorption function due to capillary phenomena in cross-sectional structure, and thus absorbs and transfers sweat quickly, thereby always giving a dry feeling. On the other hand, the dry layer 10 is composed of a hydrophobic yarn having a process water content of 0.05% or less to provide a dry feeling. Typically, the double-layer fabric having a backing layer composed of polyolefin fibers and a surface layer composed of polyester release cross-section yarns do not have a drainage port through which sweat can be discharged, thereby providing a feeling of unpleasant wear because the sweat generated from the skin does not escape out. Therefore, the lining (3) of the present invention is to improve the problem of the previous absorption quick-drying material to form a moisture drain (11) having a diameter of 0.5 to 5mm in the dry layer to effectively discharge the sweat. If the diameter of the water drain 11 is less than 0.5mm, the water discharge function of the back surface is lowered, and if it exceeds 5mm, the shape stability of the fabric is lowered. In addition, since the silver fiber 14 has a sterilizing function by destroying bacterial cell membranes, it is hygienic even if it is used for a long time. When sewing, the dry layer 10 of the lining fabric is used to contact the skin.

In case of emergency, it is embarrassing to wear the mask, so attach the elastic tension strap 7 with the stopper 8 to adjust the length to the end of the mask to be worn within a few seconds. In addition, the surface of the mask is treated with fine glass beads on the fabric to reflect light when irradiating light, and a fluorescent material that absorbs light in a bright place and emits light in a dark place (Self-numinous). The luminous printer part 6 which transfers fluorescent material at the same time or selectively in the form of a letter or a pattern is easy to identify at the basement or at night, which is helpful for the disaster structure. The edge of the mask of the present invention is the elastic band (5) is processed and the molded plastic wire 15 is excellent in flexibility is inserted into the upper and lower edge of the length of 3 ~ 5cm diameter 5mm or less can be molded according to the user's face Do. The mask of the present invention is also suitable as a sports mask for preventing yellow dust at the time of emergency or spraying pesticides. The water-repellent function, absorption function, drying function, antibacterial function, anti-gas function, and flame retardant function of the mask of the present invention were tested and evaluated in the following manner.

ㆍ absorption speed (㎜ / 10min)

KSK 0815, 1 for the absorbent layer 9 of the release cross-section yarns constituting the absorbent quick-dry layer 3. It measured by 27B method. Make the sample 15cm long and 10cm long, fold it in half, sharply cut the tip at 45 °, immerse it in water, and measure the height of the water that has risen along the sample for 10 minutes.

ㆍ Rear drying speed (minutes)

The dry layer 10 made of polyolefin fibers constituting the absorbent quick-drying layer 3 in contact with the skin is measured by a visual discrimination method. After making the size of the sample to 15 x 15cm in the standard state, pour 10g of water on the back of the sample and measure the time until the dry layer 10 is completely dried.

Surface repellency (%)

The fabric constituting the outer fabric (surface water repellent flame retardant layer (1)) was measured by KSK 0590. After the sample is installed at an inclination of 45 ° at 20 × 20 cm, 250 cc of distilled water is sprayed to measure the amount of water remaining on the surface.

ㆍ Adsorption of toxic substances

DMMP (Dimethyl Methl Phosphonate), a toxic model gas at 30 ° C., was measured by comparing 1 mg of activated carbon fiber (A.C.F) adsorbed with activated carbon fiber (A.C) product at a breakthrough point of 0.004 PPM.

Antibacterial (%)

The lining fabric (3) was measured by KSK 0693-2001. Staphylococcus aureus was measured by the percentage reduction of bacillus after incubation for 18 hours using Staphylococcus aureus and pneumococci.

ㆍ flammability

It measured by the 45 degree micro burner method (JIS, L1091A). Afterflaming time (seconds), it was evaluated by the residual time (seconds) and the carbon screen area (Cm 2).

(Example)

45'S cotton fabric with the sum of warp density and weft density is used for the surface water-repellent flame retardant layer (1), treated with silicone-based water repellent and antimony-based flame retardant at a concentration of 5% of OWF (of weight fabric) and 10 cm wide. x 7 cm long activated carbon fiber (ACF) filter wrapped with a non-woven fabric, heated and embedded in an air purification layer (2), and then lining the absorbent quick-dry layer (3) with 75 denier polyolefin fibers and 75 denier polyester A mask is made by using a polypropylene fiber surface (dry layer 10) to contact the skin using a knitted fabric having a single-sided yarn and 20 denier silver fibers arranged and having a water drain hole having a diameter of 1 mm.

The end of the mask is fitted with a stretchable tension strap (7), the length of which can be adjusted by the stopper (8), and the absorbent quick-drying layer (3) is made by opening and sewing the filter so that the filter can be replaced. The edge of the mask was sewn using an elastic band having a width of 1 cm, and then a molded plastic wire 15 having a length of 5 cm and a diameter of 3 mm was embedded in the upper and lower edges of the mask.

Comparative Example

The outer and linings were made of T / C fabric, and then powdered activated carbon (A.C) was built into the nonwoven fabric in a size of 10 cm x 7 cm, and then inserted and sewn between the outer and the lining.

Table 1. Table of Properties in Examples and Comparative Examples>

As shown in Table 1, the Examples were superior in absorbency, drying speed, water repellency, and flame retardancy compared to the Comparative Examples. In particular, it can be seen that the adsorption power of DMMP is more than four times better than the comparative example.

As described above , the gas mask carrying mask according to the present invention is effective by expressing dust, gas, smoke, deodorization, antibacterial hygiene, absorption quick drying, water repellent function, night identification function, flame retardant function, molding function that can be adjusted to fit the user's face at the same time. It provides air purifying function and excellent fit, and it is easy to use in case of emergency because it is small and light. Especially, it is economical because it is designed to replace the built-in filter after use.

Although the present invention has been described with reference to one embodiment shown in the accompanying drawings, it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true scope of protection of the present invention should be defined only by the claims.

Claims (11)

Activated fabric made of natural fiber treated with breathable water-repellent flame-retardant fabric as outer fabric (surface water-repellent flame retardant layer (1)) and wrapped in a non-woven fabric in the air purification layer (2) between the outer and inner linings "Multifunctional gas mask with filter replacement", where carbon fiber (ACF) filter is present and fabric with absorption quick-drying function is used as lining (3) According to claim 1, "Multi-functional filter mask that can replace the filter", characterized in that the filter exchange port (4) is present to replace the activated carbon fiber (A.C.F) filter of the air purification layer (2) According to claim 1, "A multi-functional gas mask carrying a filter can be replaced", characterized in that the elastic tension strap 7 is attached to both ends of the mask to adjust the length by the stopper (8). According to claim 1, Outer fabric (1) The fabric has a density of 200 to 300 copies / inch and a fluorine- or silicon-based water repellent is treated at the same time. According to claim 1, "Multifunctional filter mask with interchangeable filters", characterized in that the activated carbon fiber filter is composed of a woven fabric or a non-woven fabric. According to claim 1, "Multi-functional gas mask for filter replacement", characterized in that 3 to 30 g / m 2 of metals such as silver, chromium and copper are added to activated carbon fibers (A.C.F). According to claim 1, "Multi-function repellent portable mask with filter replacement", characterized in that the lining (3) having an absorption quick-drying function is composed of polyester or nylon release cross-section yarns, polyolefin fibers and silver yarns. According to claim 1, "Multi-functional filter mask with interchangeable filters" with luminous function by which reflective material and self-numinous fluorescent material are simultaneously or selectively printed on the surface of the mask According to claim 1, "Multi-functional filter repellent mask that can replace the filter," characterized in that the water drainage opening 11 having a diameter of 0.5 to 5mm in the dry layer 10 of the absorbent quick-drying fabric used as the lining (3). According to claim 1, The elastic band 5 is treated to be easy to wear on the rim of the mask. According to claim 1, "Multi-functional gas mask portable filter replacement", characterized in that the molded plastic wire 15 is inserted into the upper and lower edges of the mask to be molded according to the user's face.