Oxygen generating composition and device containing same

Abstract

The present invention relates to an oxygen generating composition, which contains potassium peroxide (KO2) and calcium hydroxide (Ca(OH)2), and is characterized in that the weight ratio of the potassium peroxide to the calcium hydroxide is in the range of 8:2 to 4:6.

Description

[Technical Field]

[0001] The present invention relates to an oxygen generating composition capable of generating oxygen and adjusting the amount of oxygen generated, and a device containing the same. [Background technology]

[0002] In recent years, the occurrence of various man-made disasters and emergency rescue situations has increased, but the current systemic response is insufficient compared to demand. This is because these phenomena are caused by anxious social emotions and incomplete disaster factors, and a lack of prompt and appropriate response often leads to major accidents and loss of life. A common symptom that can occur in disasters and emergency situations is respiratory distress caused by an insufficient oxygen supply. In particular, at fire scenes, rising air currents caused by violent combustion can prevent oxygen from reaching the disaster site, posing a significant threat to those isolated at the scene and to rescue personnel. Furthermore, when a patient collapses or goes into shock due to various illnesses, autonomic nervous system paralysis can cause respiratory distress, preventing sufficient oxygen from reaching the brain, potentially resulting in brain damage or brain death. For this reason, countries and industries are accelerating the development of various gas masks tailored to the actual conditions at each site to prevent disasters and secondary disaster factors for workers.

[0003] There are various types of gas masks available for use on-site, including gas masks, which not only protect the face and ensure visibility, but also filter contaminated outside air to allow the user to inhale fresh air. However, since the type of material that can be filtered is limited by the filter material, such masks are often used mainly for dust removal, and there are problems with the inconvenience of wearing the gas mask over the entire face, and the high cost of the filters, which results in excessive expenses.

[0004] Next, there are mask types equipped with compressed air tanks. These ensure the safety of workers by connecting the facepiece to the air tank and breathing in the supplied air, and the entire facepiece is covered with glass to ensure visibility. However, this type is not widely used due to its weight and relatively large volume. The excessive weight limits the user's range and versatility of movement, and the hose connecting the compressed air tank to the mask reduces work efficiency and makes it difficult to maintain visibility. Furthermore, damage to the various connections between the tank and the mask during work can lead to problems such as a decrease in concentration.

[0005] Therefore, there is a need for research into oxygen generating compositions that are easy to use, can generate oxygen immediately, and can be used continuously and safely. Summary of the Invention [Problem to be solved by the invention]

[0006] Therefore, the problem to be solved by the present invention is to provide an oxygen generating composition and a device including the same that enable effective oxygen generation through the user's breathing in emergency situations such as fires.

[0007] Another object of the present invention is to provide an oxygen generating composition and a device including the same that reacts with carbon dioxide when a user breathes to generate oxygen immediately and stably.

[0008] Another object of the present invention is to provide an oxygen generating composition and a device including the same that can minimize heat generation during oxygen generation from the oxygen generating composition to prevent temperature rise.

[0009] The object of the present invention is not limited to the above-mentioned content, but can be understood from the entire content of this specification, and a person having ordinary skill in the art to which the present invention pertains will have no difficulty in understanding the additional object of the present invention. [Means for solving the problem]

[0010] In order to solve the above problems, an oxygen generating composition according to one embodiment of the present invention contains potassium peroxide (KO2) and calcium hydroxide (Ca(OH)2), and is characterized in that the weight ratio of the potassium peroxide to the calcium hydroxide is in the range of 8:2 to 4:6.

[0011] The weight ratio of the potassium peroxide to the calcium hydroxide can be in the range of 7:3 to 6:4.

[0012] The weight ratio of the potassium peroxide to the calcium hydroxide can be in the range of 7.5:2.5 to 5.5:4.5.

[0013] The oxygen generating composition may further include manganese dioxide (MnO2).

[0014] The manganese dioxide (MnO2) may be contained in an amount ranging from 5 to 20 parts by weight relative to 100 parts by weight of the potassium peroxide and calcium hydroxide.

[0015] The oxygen generating composition may further include potassium nitrate (KNO3) or potassium chloride (KCl).

[0016] The potassium nitrate or potassium chloride may be in the range of 100 to 240 parts by weight per 100 parts by weight of the potassium peroxide and calcium hydroxide.

[0017] The potassium nitrate or potassium chloride may be contained in an amount in the range of 3 to 5 times by weight relative to the potassium peroxide.

[0018] The potassium nitrate or potassium chloride may be contained in an amount in the range of 3.5 to 4.5 times by weight relative to the potassium peroxide.

[0019] The oxygen generating composition may further comprise sodium bicarbonate (NaHCO3).

[0020] The oxygen generating composition may further comprise silica (SiO2).

[0021] The sodium hydrogen carbonate may be contained in an amount of 20 to 40 parts by weight relative to 100 parts by weight of the potassium peroxide and calcium hydroxide.

[0022] The oxygen generating composition may further comprise at least one component selected from the group consisting of essential oils of boswellia, ylang-ylang, cinnamon, neroli, bergamot, lemongrass, sweet orange, lavender, rose, rosemary, clary sage, Roman chamomile, and peppermint.

[0023] The oxygen generating composition may contain the peppermint essential oil in an amount of 5 to 10 wt % based on the total content of the oxygen generating composition, and the lavender, rosemary, rose, and sweet orange essential oils in an amount of 0.1 to 1.0 wt % based on the total content of the oxygen generating composition.

[0024] An apparatus according to one embodiment of the present invention for solving the above problem is characterized by being an oxygen generating mask including the oxygen generating composition of the present invention, a mask filter, and a cap that contains the oxygen generating composition inside and is connected to the mask filter.

[0025] In addition, a device according to another embodiment of the present invention for solving the above problem is a lifesaving towel comprising the oxygen generating composition of the present invention, a filter layer, and a storage cap that contains the oxygen generating composition inside and is attached to the filter layer.

[0026] Furthermore, according to still another embodiment of the present invention, there is provided a gas mask comprising the oxygen generating composition of the present invention, a harmful gas filter layer, a cap containing the oxygen generating composition and connected to the harmful gas filter layer, and strings connected to both ends of the harmful gas filter layer so as to be able to hang on a user's ears, wherein the harmful gas filter layer comprises an MB filter made of a meltblown filter, a plurality of auxiliary filters arranged on both sides of the MB filter with the MB filter interposed therebetween and made of a polypropylene material containing activated carbon, an outer layer filter arranged outside the plurality of auxiliary filters and made of rayon, and the harmful gas filter layer is provided with a natural extract, the natural extract being one or more selected from the group consisting of propolis extract, green tea extract, tea tree extract, lavender extract, rosemary flower extract, peppermint extract, cornmint leaf extract, matricaria extract, and water lily flower extract. [Effects of the Invention]

[0027] The oxygen generating composition of the present invention and a device containing the same can effectively generate oxygen through the user's breathing in emergency situations such as fires.

[0028] Furthermore, oxygen can be generated immediately by reacting with carbon dioxide when the user breathes, and the oxygen can be generated stably.

[0029] In addition, during the generation of oxygen from the oxygen generating composition, heat generation can be suppressed to the maximum extent possible, thereby preventing a temperature rise. [Brief explanation of the drawings]

[0030] [Figure 1] FIG. 1 shows result data from Experimental Example 1. [Figure 2] FIG. 10 is a diagram showing result data from Experimental Example 2. [Figure 3] FIG. 10 shows the result data from Experimental Example 3. [Figure 4] FIG. 10 shows the result data from Experimental Example 4. [Figure 5] FIG. 10 shows the result data from Experimental Example 5. [Figure 6] FIG. 10 shows the result data from Experimental Example 6. DETAILED DESCRIPTION OF THE INVENTION

[0031] Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. However, the embodiments of the present invention may be modified into various other forms, and the scope of the present invention is not limited to the embodiments described below. Furthermore, the embodiments of the present invention are provided to more completely explain the present invention to those having average knowledge in the art.

[0032] An oxygen generating composition according to one embodiment of the present invention includes potassium peroxide (KO2) and calcium hydroxide (Ca(OH)2), with the potassium peroxide and calcium hydroxide being in a weight ratio of 8:2 to 5:5. The calcium hydroxide can react with carbon dioxide delivered from the user's respiratory system or carbon dioxide delivered from the surroundings to generate water (H2O), and the potassium peroxide can react with the generated water to generate oxygen (O2).

[0033] For example, the oxygen generating composition of the present invention can generate oxygen through the sequential reactions shown in the following reaction formulas (1) and (2): As shown in reaction formula (1), calcium hydroxide (Ca(OH)) is generated from the user's mouth or nose, or calcium carbonate (CaCO) and water (H0) are generated from carbon dioxide (CO) flowing in from the surrounding area, and the water (H0) generated by reaction formula (1) reacts with potassium peroxide (K0) through the reaction shown in reaction formula (2) below to generate oxygen (O), potassium hydroxide (KOH), and hydrogen peroxide (H0), thereby generating oxygen.

[0034] Reaction Scheme (1) Ca(OH)2+CO2→CaCO3+H2O

[0035] Reaction scheme (2) 2KO2+2H2O→O2+2KOH+H2O2

[0036] Meanwhile, when the weight ratio of the potassium peroxide to the calcium hydroxide is in the range of 8:2 to 4:6, oxygen can be generated more quickly and in larger amounts than the amount of carbon dioxide introduced. Preferably, the weight ratio of the potassium peroxide to the calcium hydroxide is, for example, in the range of 8:2 to 5:5, 7:3 to 5:5, 7.5:2.5 to 5.5:4.5, or 7:3 to 6:4. Meanwhile, if the content of potassium peroxide is too high, for example, the weight ratio of the potassium peroxide to the calcium hydroxide exceeds 8:2, the calcium hydroxide and the moisture generated in the primary reaction may react with the powdered compound to form a paste, which may cause a problem of delayed reaction.

[0037] Meanwhile, the oxygen generating composition may further include manganese dioxide (MnO2). By including manganese dioxide, more oxygen can be generated. For example, when H2O2 is generated through reaction formula (2), oxygen and water can be further generated through the reaction shown in reaction formula (3) below, and the further generated water can be used again to generate more oxygen through the process shown in reaction formula (2).

[0038] Reaction scheme (3) [ka]

[0039] For example, the manganese dioxide (MnO2) may be in the range of 5 to 20 parts by weight relative to 100 parts by weight of the potassium peroxide and calcium hydroxide, which allows oxygen to be generated more quickly while ensuring a sufficient amount of oxygen.

[0040] Meanwhile, the oxygen generating composition may further contain potassium nitrate (KNO3) or potassium chloride (KCl). When the oxygen generating composition reacts with carbon dioxide, i.e., the water produced thereby generates oxygen, a sudden exothermic reaction may occur, and the oxygen generating composition may rise to a high temperature due to the high reaction temperature. In this case, the user may suffer from skin damage or respiratory damage due to the high temperature. However, by including potassium nitrate (KNO3) or potassium chloride (KCl), the heat generated by the reaction can be absorbed, thereby preventing the temperature from rising during the reaction of the oxygen generating material to generate oxygen, allowing the user to use the oxygen generating material more safely.

[0041] For example, the potassium nitrate or potassium chloride may be in the range of 100 to 240 parts by weight per 100 parts by weight of the potassium peroxide and calcium hydroxide, which allows for effective control of the exothermic reaction while generating a sufficient amount of oxygen.

[0042] The potassium nitrate or potassium chloride may be contained in a weight ratio of 3 to 5 times the potassium peroxide. For example, the potassium nitrate or potassium chloride may be contained in a weight ratio of 3.5 to 4.5 times the potassium peroxide. Within this range, the temperature rise due to the exothermic reaction occurring during the reaction of the oxygen-generating substance can be effectively prevented, while a decrease in the amount of oxygen generated can be prevented. That is, if the potassium nitrate or potassium chloride is contained in an amount less than 3 times the amount of the potassium peroxide, the temperature rise control effect may be insignificant. If the amount exceeds 5 times the amount of the potassium peroxide, a paste phenomenon may occur frequently, resulting in a decrease in the amount of oxygen generated. Therefore, within this range, a large amount of oxygen can be generated while effectively controlling the temperature.

[0043] Meanwhile, the oxygen generating composition may further include sodium bicarbonate (NaHCO3). The sodium bicarbonate allows the oxygen generating composition to generate an excess amount of oxygen during the initial reaction, enabling it to quickly generate an excess amount of oxygen in an emergency, particularly in a disaster situation such as a fire where toxic gases are spreading. For example, the substances produced by Reaction Scheme (1) and Reaction Scheme (2) may be basic. The addition of sodium bicarbonate neutralizes the basicity through an acid-base reaction, thereby promoting the vigorous reaction between Reaction Scheme (1) and Reaction Scheme (2). In other words, sodium bicarbonate removes the KOH compound produced by Reaction Scheme (2) through an acid-base reaction, thereby promoting the reaction to occur more rapidly in the product side, thereby generating more oxygen more quickly.

[0044] The sodium bicarbonate may be contained in an amount of 20 to 40 parts by weight per 100 parts by weight of the potassium peroxide and calcium hydroxide, which allows oxygen to be generated more quickly while ensuring a sufficient amount of oxygen.

[0045] Meanwhile, the oxygen generating composition may further contain silica (SiO2). During the process of generating oxygen through the reaction of the potassium peroxide and the calcium hydroxide, aggregation may occur, resulting in a decrease in the amount of oxygen generated. However, by further containing silica, this aggregation phenomenon can be prevented, ensuring a sufficient amount of oxygen generation. The silica may be contained in a range of 10 to 40 parts by weight, or 10 to 30 parts by weight, relative to 100 parts by weight of the potassium peroxide and the calcium hydroxide. Within this range, aggregation can be prevented while ensuring a sufficient amount of oxygen generation.

[0046] Meanwhile, the oxygen generating composition of the present invention may further comprise at least one component selected from the group consisting of boswellia, ylang-ylang, cinnamon, neroli, bergamot, lemongrass, sweet orange, lavender, rose, rosemary, clary sage, Roman chamomile, and peppermint essential oils, which can provide a sense of stability to the user along with the oxygen generated from the oxygen generating material.

[0047] More specifically, the Boswellia essential oil is made from the resin of the Boswellia tree, and its main common components are α-Pinene, Limonene, α-Thujene, Myrcene, Sabinene, and Para-Cymene, which can have anxiety-relieving properties and affect sleep and wakefulness behaviors.

[0048] Ylang-ylang essential oil is extracted by distilling the flowers and trunks of the ylang-ylang tree and is composed of 150 molecules including monoterpenes, sequiterpenes, aliphatic compounds, phenylpropanoids, and nitrogen-containing compounds. Its main components, benzylbenzoate, linalool, and benzyl alcohol, are useful for relieving anxiety and providing a sedative effect.

[0049] In addition, the cinnamon essential oil is extracted from the brown bark of the Cinnamomum verum tree, and most of its components are phenolic compounds. The main active compounds, sesquiterpene and monoterpene hydrocarbons, control adrenaline secretion, which is useful for treating depression and providing users with a sense of stability.

[0050] In addition, the neroli essential oil is obtained by distilling the flowers of the bitter orange tree and is rich in limonene, b-myrcene, and b-pinene components, and can significantly reduce stress levels and exert outstanding effects of alleviating menopausal symptoms.

[0051] Bergamot essential oil is extracted from the epicarp and mesocarp of bergamot fruit and is mainly composed of limonene, linalyl acetate, and linalool. These compounds can minimize symptoms of stress-induced anxiety and mild mood disorders. Bergamot essential oil has anxiety-relieving and antidepressant properties, providing users with a sense of calm.

[0052] In addition, the lemongrass essential oil is obtained by hydrodistillation of lemongrass leaves and is mostly composed of neral, geranial, and citral. The compounds contained in the essential oil, such as b-myrecene, limonene, citronellol, geraniol, 1,8-cineole, nerole, a-terpineol, burneol, eugenol, geranyl acetate, and elemicin, can significantly reduce anxiety and subjective tension.

[0053] In addition, the sweet orange essential oil is obtained from the bark of sweet orange trees by cold pressing the highly volatile compounds d-limonene, b-myrcene, a-pinene, sabinene, linalool, geranial, and neral, and sweet orange essential oil can significantly decrease the oxyhemoglobin concentration in the right frontal cortex, increase feelings of relaxation, and provide powerful anxiety relief.

[0054] The lavender essential oil is extracted from lavender flowers by steam distillation and is composed of the following main compounds: linalyl acetate, linalool, lavandulyl acetate, myrcene, terpinen-4-ol, terpineol, cis-linalool oxide, trans-linalool oxide, and ocimene. Lavender essential oil can treat mild stress and anxiety, has a significant beneficial effect on the quality and duration of sleep, and is effective in alleviating anxiety disorder symptoms.

[0055] The rose essential oil can be obtained by distilling the flowers of Rosa Damascena. Most of the components of rose essential oil are monoterpene alcohol, and other components such as 2-phenyl alcohol, citronellol, geraniol, methyl eugenol, and eugenol significantly improve sleep quality, increase blood oxygen saturation, and reduce autonomic arousal, thereby contributing to the anxiety-relieving effect.

[0056] In addition, the rosemary essential oil is an essential oil obtained by distilling the above-ground parts of the plant and is composed of 16 compounds, namely cineole, camphor, α-pinene, camphene, and α-terpineol. α-pinene may be involved in anxiety-relieving properties and may have the effect of improving memory and mood.

[0057] In addition, the clary sage essential oil is obtained by distilling the entire aerial parts of clary sage, and the compounds contained therein, namely linalool, α-terpineol, geraniol, geraniol acetate, and myrcene acetate, are involved in antidepressant effects and can exhibit significant anxiety-relieving properties.

[0058] The Roman chamomile essential oil is an oil distilled from the heads of Roman chamomile flowers, and its constituent compounds, isobutyl angelate, isoamyl angelate, and 2-methylbutyl isobutylrate, have psychostimulant effects and can exert anxiety-relieving and sedative effects.

[0059] In addition, the peppermint essential oil is an essential oil obtained by steam distillation from peppermint leaves, and is composed of more than 26 compounds, most of which are menthol and iso-menthone, which can improve concentration and memory.

[0060] Meanwhile, the oxygen generating composition may contain the peppermint essential oil in a range of 5 to 10 wt % based on the total content of the oxygen generating composition, and the lavender, rosemary, rose, and sweet orange in a range of 0.1 to 1.0 wt % based on the total content of the oxygen generating composition.

[0061] The oxygen generating composition of the present invention will be described in more detail below with reference to specific experimental data.

[0062] Experimental example 1 (oxygen generation test) Five grams of potassium peroxide (KO2) and calcium hydroxide (Ca(OH)2) were mixed in a 1:1 ratio by weight and placed in a chamber. A test was conducted to measure the carbon dioxide (CO2) concentration over time within the reactor to verify whether a chemical reaction occurred. The results are shown in Figure 1. The experiment involved placing an oxygen concentration meter, a carbon dioxide concentration meter, and the sample in a chamber (inner diameter: 350 mm x 298 mm x 360 mm) equipped with a stirring fan, and sampling oxygen and carbon dioxide was conducted in the center of the chamber. The oxygen concentration meter was a Wintact WT8811 model, and the carbon dioxide concentration meter was an Ahlborn 2590-2A model. Carbon dioxide was then injected into the chamber at a concentration of 6,000–8,000 umol / mol (ppm). The oxygen and carbon dioxide concentrations were measured at 10-second intervals for 15 minutes, repeating three times.

[0063] As shown in Figure 1, when potassium dioxide (KO2) and calcium hydroxide (Ca(OH)2) were mixed, it was confirmed that the carbon dioxide concentration decreased over time, while the oxygen concentration increased. It was found that the carbon dioxide concentration was initially 0.2%, and after 10 hours, almost all of the carbon dioxide was converted to oxygen. It was also confirmed that the oxygen concentration increased from the initial 12.5% ​​to 14% after 10 hours due to the conversion of carbon dioxide through a chemical reaction. As can be seen from the results of Experimental Example 1, when potassium dioxide (KO2) of the present invention and calcium hydroxide (Ca(OH)2) were mixed, it was confirmed that carbon dioxide was converted to oxygen through a chemical reaction.

[0064] Experimental example 2 (optimal oxygen generating ratio) The compounding ratio of potassium peroxide (KO2) and calcium hydroxide (Ca(OH)2) was changed according to the weight ratio in Table 1 below, and the standard total weight for each compounding ratio was set to 5g, and the amount of oxygen generated for each weight ratio was measured. The amount of oxygen generated was determined by measuring the carbon dioxide value, and it was understood that the amount of oxygen generated increased as the amount of carbon dioxide decreased. The results of the decrease in the amount of carbon dioxide over time are shown in Figure 2 below. Meanwhile, carbon dioxide was measured at room temperature using testing equipment that uses the water displacement method, and the amount of oxygen generated for each composition ratio was predicted based on the carbon dioxide measurement.

[0065] [Table 1]

[0066] As shown in Figure 2, it was confirmed that the carbon dioxide reduction was most rapid and greatest when the ratio of potassium peroxide (KO2) to calcium hydroxide (Ca(OH)2) was 7:3 (compound ratio 1) and 6:4 (compound ratio 2). It was also confirmed that the carbon dioxide reduction was more rapid and a large amount of oxygen was generated when the ratio of potassium peroxide (KO2) to calcium hydroxide (Ca(OH)2) was 5:5 (compound ratio 3) and 4:6 (compound ratio 4) compared to the ratio of 3:7 (compound ratio 5). This confirmed that carbon dioxide reduction was rapid and a large amount of oxygen was rapidly generated within the blend ratio range of the present invention. Therefore, it was confirmed that oxygen is generated very efficiently when the weight ratio of potassium peroxide to calcium hydroxide is in the range of 8:2 to 4:6, and that the ranges of 8:2 to 5:5, 7:3 to 5:5, and 7.5:2.5 to 5.5:4.5 are preferable, and that the range of 7:3 to 6:4 is most preferable for excellent oxygen generation. On the other hand, if the content of potassium peroxide is too high and exceeds the ratio of 8:2 (for example, a ratio of 9:1), calcium hydroxide and the water generated in the primary reaction react with the powdered compound to form a paste, which causes a problem of delaying the reaction, and therefore the range of 8:2 to 4:6 is preferable.

[0067] Experimental Example 3 (Oxygen generation transition test using manganese dioxide and silica) 3.5g of potassium peroxide and 2.1g of calcium hydroxide were mixed, and manganese dioxide (MnO2) and silica (SiO2) were mixed according to the blending ratios in Table 2 below, and the amount of oxygen generated was measured. The results are shown in Figure 3 below.

[0068] [Table 2]

[0069] As shown in Figure 3, it was confirmed that when manganese dioxide was added, more oxygen was generated than when it was not. That is, it was confirmed that when the blending ratios were 7 and 8, more oxygen was generated than when no manganese dioxide was added (blending ratio 6). It was also confirmed that when the blending ratios were 9 to 11, where a small amount of silica was added, more oxygen was generated than when the blending ratios were 7 and 8, where manganese dioxide was added but no silica was added.

[0070] Experimental Example 4 (Reaction Temperature Test) A mixture of 3.5g of potassium peroxide and 2.1g of calcium hydroxide was reacted with water and the temperature was measured over time, and the results are shown in Figure 3. As shown in Figure 3, when potassium peroxide and calcium hydroxide were mixed and reacted with water to generate oxygen, a high temperature was observed due to a sudden exothermic reaction.

[0071] Experimental Example 5 (Exothermic Reaction Control Test) The oxygen generating composition was prepared by mixing 3g of potassium peroxide (KO2) with 2g of calcium hydroxide, and the amount of potassium nitrate (KNO3) was changed to 3.0g, 6.0g, 9.0g, and 12.0g, respectively, and the temperature generated over time was measured. The results are shown in Figure 5 below.

[0072] As shown in Figure 5, when potassium peroxide is added, the initial heat generation is reduced compared to Figure 3 when potassium peroxide is not added, and the temperature can be lowered over time. Furthermore, when 12.0 g of potassium nitrate is mixed with 3 g of potassium peroxide, the reaction heat is absorbed, reducing the exothermic reaction and lowering the temperature compared to other contents, confirming that the oxygen generating composition can be used more stably. When the potassium nitrate is added in an amount exceeding 5 times the potassium peroxide, the exothermic reaction is suppressed, but pasting may occur, reducing the amount of oxygen generated, which is the main purpose of the oxygen generating composition. Therefore, the potassium chloride is preferably included in a weight ratio of 3 to 5 times the potassium peroxide. For example, the potassium nitrate or potassium chloride is preferably included in a weight ratio of 3.5 to 4.5 times the potassium peroxide. This range suppresses the exothermic reaction and lowers the reaction temperature, allowing the oxygen generating composition to be used stably while generating a sufficient amount of oxygen.

[0073] Experimental Example 6 (Reaction rate test using sodium bicarbonate) A mixture of 3.5g of potassium peroxide and 2.1g of calcium hydroxide was mixed with water, with and without sodium bicarbonate (NaHCO3), and the amount of oxygen generated was measured over time. The results are shown in Figure 6. As shown in Figure 6, oxygen generation was faster when sodium bicarbonate was added than when sodium bicarbonate was not added. This is believed to be due to the fact that potassium peroxide and calcium hydroxide react with carbon dioxide (CO2) and water (H2O), and the resulting KOH is removed via an acid-base reaction with sodium bicarbonate (NaHCO3), further shifting the reaction toward the product. Therefore, the addition of sodium bicarbonate accelerated the reaction, enabling immediate oxygen generation in emergency situations.

[0074] On the other hand, in the present invention, a device containing the above-mentioned oxygen generating composition is provided, and the device containing the oxygen generating composition of the present invention will be described below.

[0075] A device according to one embodiment of the present invention may be a mask in which the oxygen generating composition is contained inside a cap and the cap is attached to a mask filter. The cap may have a cover layer to isolate the mask from the outside and prevent oxygen generation when the mask is not in use and is being stored. When a user uses the mask, the cover layer is separated from the cap body, and oxygen can be generated when the cover layer is separated. As described above, carbon dioxide exhaled from the user's mouth or nose initiates a reaction with the oxygen generating material, thereby generating oxygen and allowing the user to inhale the oxygen.

[0076] For example, when the oxygen generating composition is worn inside a respiratory mask, the amount of potassium peroxide can be increased to generate oxygen for a longer period of time, and the composition can contain 20 to 30 parts by weight of calcium hydroxide (Ca(OH)2) and 30 to 50 parts by weight of potassium nitrate (KNO3) or potassium chloride (KCl) per 100 parts by weight of potassium peroxide (KO2), for example, 25.0 g of KO, 1.25 g of Ca(OH)2, and 2 g of KCl. When the oxygen generating composition is stored in a separate cap inside a respiratory mask, the amount of potassium peroxide can be increased to generate oxygen for a longer period of time, while adding a small amount of potassium chloride to control the initial heat generation.

[0077] Meanwhile, without limitation, the filter of the mask may be impregnated with a solution for blocking external harmful gases, in which case the mask can be used as a gas mask to be used in emergency situations such as fires, etc. In this case, a user can conveniently wear the gas mask on their face, inhale oxygen with both hands free, and move to a safe place more quickly.

[0078] Another embodiment of the device of the present invention may be an oxygen generating towel in which the oxygen generating composition described above is contained inside a storage cap and the storage cap is attached to a towel-shaped cloth. The oxygen generating towel may be in the form of a towel itself formed of various filter layers impregnated with a solution that blocks harmful substances, or a storage cap for storing the oxygen generating material may be attached to the oxygen generating towel. Furthermore, like the mask, a cover layer may be attached to one side so that the user can separate the cover layer in an emergency and expose the oxygen generating material contained inside to the outside (opened by separating the cover layer), thereby generating oxygen, and the user can inhale the generated oxygen from the exposed area.

[0079] Preferably, when the oxygen generating composition is attached to an oxygen generating towel for emergency rescue such as a fire, manganese dioxide can be further added to generate a large amount of oxygen initially. The composition can contain 40 to 50 parts by weight of calcium hydroxide (Ca(OH)), 20 to 40 parts by weight of manganese dioxide, and 80 to 120 parts by weight of potassium nitrate (KNO) or potassium chloride (KCl) per 100 parts by weight of potassium peroxide (KO), for example, 3.0 g of KO, 1.2 g of Ca(OH), 1.0 g of MnO, and 3 g of KCl. When the oxygen generating composition is stored in a separate cap in an oxygen generating towel for emergency use, manganese dioxide can be added as described above to immediately generate a large amount of oxygen, and potassium chloride can be further added as described above to suppress the resulting exothermic reaction, thereby controlling the calorific value.

[0080] Meanwhile, according to still another embodiment of the present invention, a device to which the oxygen generating composition of the present invention is applied is a gas mask comprising the above-mentioned oxygen generating composition, a harmful gas filter layer, a cap containing the oxygen generating composition and connected to the harmful gas filter layer, and strings connected to both ends of the filter layer so as to be able to hang on a user's ears, wherein the harmful gas filter layer is a gas mask comprising: an MB filter made of a meltblown filter; a plurality of auxiliary filters made of a polypropylene material containing activated carbon and disposed on both sides of the MB filter with the MB filter interposed therebetween; an outer layer made of rayon and disposed outside the plurality of auxiliary filters; and a natural extract contained in the filter layer, the natural extract being one or more selected from the group consisting of propolis extract, green tea extract, tea tree extract, lavender extract, rosemary flower extract, peppermint extract, cornmint leaf extract, matricaria extract, and water lily flower extract.

[0081] The gas mask has a harmful gas filter layer containing natural extracts to block external harmful gases and prevent harmful gases from entering the user's respiratory system in emergency situations such as fires, and the oxygen generating material generates oxygen in the user's respiratory system, allowing the user to survive for as long as possible.Furthermore, the gas mask of the present invention has strings attached to both ends so that it can be worn over the user's ears, allowing for more convenient evacuation without the user having to use their hands while blocking harmful gases and supplying oxygen.

[0082] Although the embodiments of the present invention have been described in detail above with reference to the drawings, it will be obvious to those skilled in the art that the scope of the present invention is not limited thereto, and that various modifications and variations are possible within the scope that does not deviate from the technical idea of ​​the present invention as set forth in the claims.

Claims

1. Potassium peroxide (KO ２ ), and Calcium hydroxide (Ca(OH) ２ ), The oxygen generating composition is characterized in that the weight ratio of potassium peroxide to calcium hydroxide is in the range of 8:2 to 4:

6.

2. 2. The oxygen generating composition according to claim 1, wherein the weight ratio of potassium peroxide to calcium hydroxide is in the range of 7:3 to 6:

4.

3. 2. The oxygen generating composition according to claim 1, wherein the weight ratio of potassium peroxide to calcium hydroxide is in the range of 7.5:2.5 to 5.5:4.

5.

4. The oxygen generating composition is manganese dioxide (MnO ２ 2. The oxygen generating composition of claim 1, further comprising:

5. The manganese dioxide (MnO ２ 5. The oxygen generating composition according to claim 4, wherein the amount of the potassium peroxide and the calcium hydroxide is in the range of 5 to 20 parts by weight per 100 parts by weight of the potassium peroxide and the calcium hydroxide.

6. The oxygen generating composition comprises potassium nitrate (KNO ３ 2. The oxygen generating composition of claim 1, further comprising potassium chloride (KCl).

7. 7. The oxygen generating composition according to claim 6, wherein the potassium nitrate or potassium chloride is contained in an amount ranging from 100 to 240 parts by weight per 100 parts by weight of the potassium peroxide and calcium hydroxide.

8. 7. The oxygen generating composition according to claim 6, wherein the potassium nitrate or potassium chloride is contained in an amount ranging from 3 to 5 times by weight relative to the potassium peroxide.

9. 7. The oxygen generating composition according to claim 6, wherein the potassium nitrate or potassium chloride is contained in an amount ranging from 3.5 to 4.5 times by weight relative to the potassium peroxide.

10. The oxygen generating composition comprises sodium bicarbonate (NaHCO ３ 2. The oxygen generating composition of claim 1, further comprising:

11. 11. The oxygen generating composition according to claim 10, wherein the sodium bicarbonate is contained in an amount of 20 to 40 parts by weight based on 100 parts by weight of the potassium peroxide and the calcium hydroxide.

12. The oxygen generating composition is silica (SiO ２ 2. The oxygen generating composition of claim 1, further comprising:

13. 2. The oxygen generating composition according to claim 1, further comprising at least one component selected from the group consisting of essential oils of boswellia, ylang-ylang, cinnamon, neroli, bergamot, lemongrass, sweet orange, lavender, rose, rosemary, clary sage, Roman chamomile, and peppermint.

14. 14. The oxygen generating composition according to claim 13, wherein the peppermint essential oil is contained in an amount of 5 to 10 wt % based on the total content of the oxygen generating composition, and the lavender, rosemary, rose, and sweet orange essential oils are contained in an amount of 0.1 to 1.0 wt % based on the total content of the oxygen generating composition.

15. The oxygen generating composition according to any one of claims 1 to 14, Mask filters and a cap containing the oxygen generating composition therein and coupled to the mask filter; An oxygen generating mask comprising:

16. The oxygen generating composition according to any one of claims 1 to 14, A filter layer; a cap containing the oxygen generating composition therein and coupled to the filter layer; Equipped with lifesaving towels.

17. The oxygen generating composition according to any one of claims 1 to 14, a harmful gas filter layer; a cap containing the oxygen generating composition therein and coupled to the harmful gas filter layer; a string connected to both ends of the harmful gas filter layer so as to be able to be hung on a user's ears; Equipped with The harmful gas filter layer comprises an MB filter made of a meltblown filter, a plurality of auxiliary filters made of a polypropylene material containing activated carbon and disposed on both sides of the MB filter with the MB filter interposed therebetween, an outer layer filter made of rayon and disposed outside the plurality of auxiliary filters, and a natural extract contained in the harmful gas filter layer, the natural extract being one or more selected from the group consisting of propolis extract, green tea extract, tea tree extract, lavender extract, rosemary flower extract, peppermint extract, cornmint leaf extract, matricaria extract, and water lily flower extract.

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