TW202205985A - Sanitary mask allowing visual determination of body temperature of a subject - Google Patents

Abstract

This invention aims to provide a sanitary mask allowing visual determination of body temperature of a subject, and capable of determining whether the body temperature of the subject is high. To achieve the aforesaid purpose, this invention is characterized by comprising a mask body at least receiving expiration from wearer's nostril, mouth or both. The portion affected by expiration temperature at the surface of the mask body is arranged with a thermochromic area containing thermochromic ink or pigment, or liquid crystal, such that the body temperature state of the wearer is displayed by the color change of the thermochromic area in response to the expiration temperature of the wearer.

Description

Hygienic mask

The present invention relates to a hygienic mask, particularly a hygienic mask that displays a wearer's body temperature state.

In recent years, the prevalence of viral infections such as influenza and new coronary pneumonia is threatening people's lives, and it is an important issue for hospitals, schools, companies, etc. to determine the entry of infected persons with fever in some form.

Under such circumstances, infrared thermal imaging devices (hereinafter simply referred to as "thermal imaging") are widely used, and many methods of measuring human body temperature and the like using thermal imaging have also been discovered. Thermal imaging is to detect the infrared energy emitted by the detected person through the two-dimensionally arranged infrared detection elements, and according to the level of the infrared energy detected by the infrared detection elements, on the display part corresponding to the position of each infrared detection element. A device that displays images by color-coding each area of the . Generally speaking, since infrared energy is proportional to the temperature of the object, the temperature distribution on the body surface of the subject can be known by measuring the subject by using an infrared thermal imaging device.

The infrared thermal imaging device described in Patent Document 1 includes: a photographing part; an infrared detection part; a first generating mechanism that generates a visible image; and a second generating mechanism that generates a thermal imaging image that includes A plurality of rectangular areas that are color-matched by infrared energy and arranged corresponding to the plurality of infrared detection elements; an image superimposition processing unit that superimposes the visible image and changes a part of each rectangular area included in the thermal imaging image The superimposed thermal imaging image is generated by the transparency of the color matched, thereby generating the superimposed image; the display part displays the superimposed image, and the detected ambient temperature is also displayed in the display mechanism, so that the related Visual information and temperature distribution information of the detected person.

On the other hand, when infectious diseases such as the new coronavirus are prevalent, non-contact thermometers are usually used in order to avoid exposure to the virus.

The non-contact thermometer described in Patent Document 2 was invented by focusing on the characteristic that the output voltage of the thermopile is always zero when the temperature of the thermopile is the same as the temperature of the object to be measured. Relative temperature to the object to be measured; thermistor, used to measure the temperature of the cold junction of the thermopile; heating/cooling element, used to heat or cool the cold junction of the thermopile.

prior art literature Patent Literature Patent Document 1: Japanese Patent No. 5399737 Patent Document 2: Japanese Patent No. 4580562

The technical problem to be solved by the invention

However, the infrared thermal imaging device of Patent Document 1 has a complicated structure and is expensive for the user. Although the non-contact thermometer of Patent Document 2 is non-contact, it is not only necessary to insert it into the ear of each subject to measure the body temperature, but it is said that the accuracy of commercially available thermometers varies. In addition, in other non-contact thermometers, it is necessary to measure the body temperature near the forehead of each subject.

Regarding the identification of high-temperature patients with infectious diseases at medical institutions such as schools and hospitals, or at immigration control sites such as airports, if it is assumed that the temperature of each person is measured using the above-mentioned device, there will be a large number of subjects. The burden on the observer is greater.

Fundamentally, it is not necessary to know the actual body temperature of the test subject in order to distinguish such a person suffering from high temperature. It is enough to be able to observe whether the body temperature of a subject is higher than the reference body temperature. If a subject who is considered to have a high body temperature can be found, it is only necessary to re-examine the specific subject with high accuracy.

In addition, there are known methods of identifying temperature through color using liquid crystals, temperature-indicating dyes, temperature-indicating pigments, and the like. In this method, the color development color and discoloration temperature of liquid crystals, temperature-indicating dyes, temperature-indicating pigments, etc. are determined in advance, and a predetermined color development color is imparted until the discoloration temperature is reached. When the temperature is high, it reacts sensitively to the temperature, rapidly loses the ability to maintain the color at the discoloration temperature, and immediately discolors or discolors.

On the other hand, since exhalation is exhaled from the body, it is considered to have information related to the body, but in the research on this temperature, it is known to be a fairly stable temperature. In particular, it is known that there is almost no difference between the expiratory temperature and the oral cavity temperature within the range of the physiological body temperature, and in the correlation between the exhaled air temperature and the oral cavity temperature, the temperature difference is in the range of about 0.7±0.05°C.

In view of the fact that the properties of the above-mentioned heat-sensitive agent and the above-mentioned "temperature of exhaled breath" are close to the temperature inside the human body, the inventors of the present application have come up with a method that can utilize exhaled breath in the space covered by the heat-sensitive agent, which is hardly affected by the outside air. hygienic masks.

Furthermore, in the day-to-day life where wearing a mask has become common sense, in the case of temperature measurement using thermal imaging as the primary screening, the temperature measurement is performed in the exposed part of the skin, but the hygienic mask will cover the exposed part, preventing correct screening. check. As a result, if the mask is removed for temperature measurement, the risk of infection of the temperature measurement inspector is increased. Therefore, it is also important to be able to measure temperature while wearing a mask.

The object of the present invention is to provide a hygienic mask, which can visually determine whether the body temperature of the subject is high by using the properties of the heat-sensitive agent.

Solutions for Technical Problems

In order to achieve the above object, the present invention is characterized by comprising a mask body that at least receives exhalation from the wearer's nostrils, mouth, or both, and a part of the mask body that is affected by the temperature of the exhaled breath, and is provided with a part that includes a temperature-dependent change in temperature. The thermochromic region of the discolored ink, pigment, or liquid crystal displays the wearer's body temperature state through the discoloration of the thermochromic region in response to the temperature of the wearer's exhalation. In addition, the mask body may be a hygienic mask including a mask body that covers at least the nostrils, mouth, or both of the wearer to maintain the temperature of exhalation.

In addition, the thermochromic region may be formed by applying ink or pigment, or may be formed by attaching a seal printed with ink or pigment. At this time, if the ink or pigment used is an irreversible temperature-indicating ink or an irreversible temperature-indicating pigment, even if the temperature of the wearer's exhaled breath rises temporarily and then falls, high heat is exhibited. On the other hand, if the ink or pigment used is a reversible temperature-indicating ink or a reversible temperature-indicating pigment, the temperature of the wearer's exhalation at the point in time when the body temperature is observed can be recognized, and the sanitary mask can be reused.

Furthermore, the thermochromic region can be formed by attaching a temperature display film using a thermosensitive liquid crystal.

In addition, the thermochromic area may be provided with a desired hole or holes in the mask body affected by the temperature of the exhaled breath, and a seal printed with temperature-indicating ink or temperature-indicating pigment may be installed to cover the holes. The above temperature-indicating film is formed.

In addition, the thermochromic region can be set so that it becomes the displayed color at a desired temperature, for example, 37 degrees Celsius, or can be set so that characters or patterns appear or disappear at a desired temperature.

Invention effect

According to the sanitary mask of the present invention, it is possible to easily visually determine whether the body temperature of the subject is high by changing the color or display of the thermochromic region given to the mask body based on the temperature of exhalation.

Furthermore, if the seal or the membrane is made detachable, it is possible to use a hygienic mask that the wearer wishes to wear.

Furthermore, due to the recent epidemic of the new coronavirus, wearing a hygienic mask when going out is likely to become a common-sense behavioral norm, so it is very convenient to grasp a person with fever through the hygienic mask of the present invention.

Furthermore, it is not necessary for the observer to approach the subject with a thermometer, and it is only necessary to focus on the wearer's hygienic mask. In addition, by taking off the hygienic mask to confirm the thermochromic area, or reflecting your hygienic mask in the mirror, the wearer can grasp the state of his body temperature through the color of the thermochromic area, etc.

The hygienic mask of the present invention is premised on being used against infectious diseases, and by using the hygienic mask of the present invention, accurate screening and safe temperature measurement can be ensured without taking off the mask.

Hereinafter, embodiments of the present invention will be described in detail based on the drawings. In each drawing, the same parts are given the same reference numerals, and overlapping descriptions are omitted. In addition, it is desirable to note that, for the understanding of the present invention, the drawings are also shown exaggeratedly in some cases, and are not necessarily exactly to scale. In addition, this invention is not limited to embodiment shown below.

[Example 1]

Embodiment 1 will be described in detail with reference to the accompanying drawings.

FIG. 1 is a diagram showing an example of the sanitary mask of the present invention. FIG. 2 is a diagram showing a state in which the wearer wears the sanitary mask 1 of the present invention. In addition, FIG. 7 is a figure which shows typically the part which receives exhalation in the mask main body 10 of the sanitary mask 1 of Example 1 of this invention.

Referring to FIGS. 1 and 2 . The sanitary mask 1 of the present invention is provided with: a mask body 10, at least covering the nostrils or mouth of the wearer A or both to maintain the temperature of exhalation; a pair of supports 11 are respectively installed on both side edges of the mask body, both ends They are respectively fixed to different positions in the vertical direction of the side edge portion. In addition, on the surface of the mask body 10 affected by the temperature of the exhaled breath, a thermochromic region 100 containing ink, pigment, or liquid crystal that changes color according to the temperature is provided, and the temperature of the exhaled breath of the wearer A is transmitted through the The discoloration of the thermochromic region shows the body temperature state of the wearer A.

As described above, the thermochromic region 100 preferably contains ink or pigment that changes color according to temperature, and can be formed by applying ink or pigment, and can be formed by a known method, such as screen printing, offset printing, gravure printing, coater, It can be formed by printing methods such as soft printing and transfer printing, or methods such as brushing, spraying, electrostatic coating, electrophoretic coating, flow coating, roll coating, and dip coating.

In addition, it can also be formed by installing a seal printed with ink or pigment. Also in this case, the seal can be formed by a known method similar to that described above.

See Figure 7. Since the thermochromic region 100 is provided on the surface of the mask body 10 of the sanitary mask 1 that is affected by the temperature of the exhaled breath, regardless of whether the wearer A breathes through the nose or the mouth, the exhalation B1 of the wearer A The temperatures of , B2 are all transmitted to the thermochromic region 100 , so that the body temperature state of the wearer A is displayed through the discoloration of the thermochromic region in response to the temperature of the exhaled breath.

If the ink or pigment used is an irreversible temperature-indicating ink or an irreversible temperature-indicating pigment, even if the wearer's body temperature temporarily becomes high heat and then the heat subsides, it shows high heat. "Irreversible temperature-indicating ink or irreversible temperature-indicating pigment" means that the color rendering state of the ink color changes when it reaches the specified temperature range, and even if it returns to the specified temperature range, it will not return to the original ink color display. Color state, temperature display ink or temperature display pigment that changes color state irreversibly.

In the case of using irreversible thermometric inks or irreversible thermometric pigments, a rewritable system based on amorphous-crystalline or phase separation-non-phase separation is utilized. For example, as electron-donating color-developing compounds, there are phenylmethane-based compounds (various fluorines, phenylphthalides, etc.), various indolephthalides, spiropyrans, leuco-auramines, acyl groups or aryl groups As the electron-accepting compound such as amines, compounds having a phenolic hydroxyl group, metal salts of compounds having a phenolic hydroxyl group, various triazoles, carboxylic acids, metal salts of carboxylic acids, and the like can be used.

In the case of using irreversible temperature-indicating ink or irreversible temperature-indicating pigment, it is preliminarily fixed to be colorless, and the color is gradually developed above a predetermined temperature.

If the ink or pigment used is a reversible temperature-indicating ink or a reversible temperature-indicating pigment, the body temperature of the wearer at the time point when the body temperature is observed can be identified, so that the hygienic mask can be reused. "Reversible temperature-indicating ink or reversible temperature-indicating pigment" means that the color rendering state of the ink color changes when it reaches a specified temperature range, and when it returns to the specified temperature range, the color rendering state changes reversibly, thereby returning to Temperature-indicating ink or temperature-indicating pigment in the color-rendered state of the original ink color.

For the reversible thermochromic ink or reversible thermochromic pigment, for example, a reversible thermochromic composition, Ag ₂ HgI ₄ , Cu ₂ HgI ₄ , etc., can be used, and the reversible thermochromic composition includes an electron-donating color-developing organic compound, The three components are an electron accepting compound and an organic compound medium that reversibly causes the color reaction of the two. A reversible thermochromic composition containing three components, an electron-donating color-developing organic compound, an electron-accepting compound, and an organic compound medium that reversibly causes a color-developing reaction, can be used as it is, and it is preferably encapsulated in microcapsules as a Reversible thermochromic microcapsule pigments are used. This is because the reversible thermochromic composition can maintain the same composition and produce the same effect under various usage conditions. By being encapsulated in microcapsules, a pigment with stable chemical and physical properties can be formed, and the suitable particle size is in the range of 0.1 to 100 μm, preferably in the range of 1 to 50 μm, and more preferably in the range of 2 to 30 μm.

Refer to Figure 3. FIG. 3 is a diagram schematically showing a color change of the thermochromic region 100 in the sanitary mask 1 of the present invention.

A temperature-indicating ink or a temperature-indicating pigment is an ink or pigment whose hue changes due to temperature. There are inks or pigments that disappear when the temperature rises and return to the original color when the temperature drops. According to the example shown in FIG. 3 , when the sanitary mask 1 is provided with an orange temperature-indicating material that changes color at 37° C., the thermochromic region 100 is orange in normal body temperature, but if the wearer’s exhalation When it reaches 37°C, the hue disappears. Since the ink or the pigment is a material that changes according to the temperature of the human body, it is also possible to combine two or more inks or pigments, or combine other colors for display.

Referring to Figure 4. FIG. 4 is a diagram schematically showing a change in display of the thermochromic region 100 in the sanitary mask 1 of the present invention.

In the thermochromic region 100 of the sanitary mask 1, the characters "XYZ" are printed in advance with temperature-indicating ink whose color changes to red at 37°C. According to the example shown in FIG. 4 , although the characters cannot be seen in the thermochromic region 100 under normal body temperature, when the wearer's exhalation reaches 37° C., the characters “XYZ” are displayed. In addition, the text can be the name or logo of a school or an organization, or a pattern can be freely set. In addition, the set temperature is not limited to the above-mentioned temperature.

See Figure 8. The above-mentioned thermochromic region 100 is provided on the surface of the mask body 10 as shown in FIG. 8( a ).

In addition, as shown in FIG. 8( b ), for the thermochromic region 100 , desired one or more holes H may be drilled in the part where the surface of the mask body 10 of the sanitary mask 1 is affected by the temperature of exhalation, so as to It is formed by installing a seal or a temperature-indicating film printed with ink or pigment in a way to cover the hole. This is due to the fact that by providing such holes, the wearer's breath becomes more likely to hit the seal or membrane.

Furthermore, as shown in FIG. 8( c ), it is also possible to install a thermal sealer printed with ink or pigment or a temperature-indicating film on the back of the mask body 10 of the sanitary mask 1 that is directly affected by the temperature of the exhaled breath. Color changing area 100 . In this case, the desired hole or holes H may be pierced. An observer screening for a person with fever can confirm the color development of the thermochromic region 100 from such a hole H.

In the trial production of the sanitary mask 1 of the present invention, a film made of polyethylene terephthalate resin was adhered to the reversible thermochromic screen ink in the thermochromic region 100 in the vicinity of the center of the surface of the mask body 10 . A rectangular thermochromic area 200 is formed, and the reversible thermochromic screen ink is a microcapsule pigment containing 10 parts of a reversible thermochromic composition (blue below 37°C, colorless above 37°C) , 20 parts of acrylate emulsion (solid content 50%), 0.2 part of silicone defoamer, 10 parts of water, 0.5 part of ethylene glycol, 0.5 part of thickener, 0.5 part of isocyanate type cross-linking agent Mixed evenly.

In Example 1, the sanitary mask 1 is provided with the string-shaped support body 11, but it is not limited, and it may be a non-string-shaped type that is hung on the ears and supported, or a type that is wrapped around the neck and supported. Furthermore, the hygienic mask 1 may be of a transparent face shield type that sandwiches the chin for use in countermeasures against droplet contamination. In this type of case, the protective mask portion becomes the receiver for the wearer's exhalation.

In addition, in the case where the mask body of the above-mentioned protective mask type is transparent, as shown in FIG. This is because the color change of the thermochromic region 100 can be confirmed even if a temperature-indicating ink or the like is printed on the back surface of the mask body 10 or a temperature-indicating film is pasted.

[Example 2]

Example 2 will be described in detail.

Fig. 5 is a diagram showing another example of the sanitary mask of the present invention.

Refer to Figure 5. The sanitary mask 2 of the present invention includes: a mask body 20 that covers at least the nostrils or the mouth of the wearer A or both to maintain the temperature of exhalation; a pair of support bodies 21 are respectively installed on both side edges of the mask body 20, Both ends are respectively fixed to different positions in the vertical direction of the side edge portion. In addition, a thermochromic region 200 containing ink, pigment, or liquid crystal that changes color according to the temperature is provided on the surface of the mask body 20 affected by the temperature of exhaled breath, and the temperature of the exhaled breath of the wearer A is transmitted through the temperature of the exhaled breath of the wearer A. The discoloration of the thermochromic region 200 shows the wearer's body temperature state.

In Example 2, the thermochromic region 200 of the sanitary mask 2 is formed by attaching a temperature display film using a thermosensitive liquid crystal. The "thermosensitive liquid crystal" refers to a liquid crystal whose color changes with temperature, and the "temperature-indicating film" refers to a film obtained by microencapsulating the thermosensitive liquid crystal and printing it on a tape-shaped film. The displayable temperature range of the temperature-indicating film can be appropriately set, and when a commercially available temperature-indicating film is used, it can be set as desired at 26°C to 46°C.

As shown in FIG. 5 , the thermochromic region 200 of the sanitary mask of Example 2 is equipped with a temperature display film, and the character “37” representing 37 degrees Celsius is displayed. In this way, the liquid crystal of the temperature display film can display the temperature of the exhaled breath of the wearer A wearing the sanitary mask 2 in a predetermined color as an approximate temperature display. The setting of the displayed temperature is not limited, and in addition to numbers, characters such as "CAUTION" or marks or graphics such as "!" can be displayed.

In Example 2, the sanitary mask 2 is provided with a cord-shaped support body 21, but it is not limited, and it may be a type that is not cord-shaped but is supported by hanging on the ears, or a type that is wrapped around the neck and supported. Furthermore, the hygienic mask 2 may be of a transparent protective mask type that sandwiches the chin for use in countermeasures against droplet contamination. In this type of case, the protective mask portion becomes the receiver for the wearer's exhalation.

[Example 3]

Example 3 will be described in detail.

Fig. 6 is a diagram showing still another example of the sanitary mask of the present invention.

Refer to Figure 6. The sanitary mask 3 of the present invention includes: a mask body 30 that covers at least the nostrils or the mouth of the wearer A or both to maintain the exhalation temperature; Both ends are respectively fixed to different positions in the vertical direction of the side edge portion. In addition, on the surface of the mask body 20 affected by the temperature of the exhaled breath, a thermochromic region 300 containing ink, pigment, or liquid crystal that changes color according to the temperature is provided, and the temperature of the exhaled breath of the wearer A is transmitted through the temperature of the exhaled breath of the wearer A. The discoloration of the thermochromic region 300 shows the wearer's body temperature state.

Referring again to FIG. 6 . In the trial production of the sanitary mask 3 of the present invention, the microcapsule pigment (green at 32°C, blue at 34°C, blue at 36°C) encapsulated with thermosensitive liquid crystals is placed near the center of the surface of the mask body 30. (300a, 300b, 300c, 300d) films made of polyethylene terephthalate resin divided in order of temperature were pasted to form a rectangular thermochromic region 300.

Then, the applicant conducted a temperature change test on the sanitary mask equipped with the temperature-indicating film using the following experimental apparatus in his company. The temperature of the water in the constant temperature tank in the experimental device was taken as the body temperature, and the color change of the temperature-indicating film of the sanitary mask 3 adhered to the outer surface of the tank of the constant temperature tank was confirmed by gradually increasing the water temperature of the constant temperature tank. For example, when the water temperature of the thermostatic bath is 36 degrees, the color of the area 300c is red, and when the water temperature is 38 degrees, the color of the area 300d is rose. By performing the experiment in this way, desired color development appears at a predetermined temperature.

Experiment days: July 1 to 10, 2020

Experimental site: within Taiheyi Co., Ltd.

Experimental device: OTC-2D (open temperature test tank with three-layer air curtain, temperature control range +80℃～-30℃) manufactured by Takamizawa Cybernetics Co., Ltd.

In Example 3, the sanitary mask 3 is provided with a cord-shaped support body 31, but it is not limited, and it may be a type that is not cord-shaped but is supported by hanging on the ears, or a type that is wrapped around the neck and supported. Furthermore, the hygienic mask 3 may be of a transparent protective mask type that sandwiches the chin for use in the countermeasure against droplet contamination. In this type of case, the protective mask portion becomes the receiver for the wearer's exhalation.

The preferred embodiments of the sanitary mask of the present invention have been illustrated and described above, but it should be understood that various changes can be made without departing from the technical scope of the present invention.

Industrial Applicability

According to the hygienic mask of the present invention, since the thermochromic region given to the mask body is changed based on the temperature of exhalation, it is possible to easily visually judge whether the body temperature of the subject is high, and therefore not only in schools, hospitals, etc. In cases where many people are tested in medical facilities or administrative institutions, it can also be widely used for household use in response to concerns about the spread of infectious diseases.

1: Hygienic masks 10: The main body of the mask 11: Support body 100: Thermochromic area 2: Hygienic masks 20: The main body of the mask 21: Support body 200: Thermochromic area 3: Hygienic masks 30: The main body of the mask 31: Support body 300a: Area 300b: Area 300c: Area 300d: Area A: The wearer B1: Exhale B2: Exhale H: hole

1 is a diagram showing an example of the sanitary mask of the present invention. [ Fig. 2 ] is a diagram showing a state in which a wearer wears the sanitary mask of the present invention. [ Fig. 3 ] is a diagram schematically showing the color change of the thermochromic region in the sanitary mask of the present invention. It is a figure which shows typically the display change of the thermochromic area in the sanitary mask of this invention. [ Fig. 5 ] is a diagram showing another example of the sanitary mask according to Example 2 of the present invention. 6 is a diagram showing another example of the sanitary mask according to Example 3 of the present invention. [ Fig. 7 ] is a diagram schematically showing a portion that receives exhalation in the mask body 10 of the sanitary mask 1 according to Example 1 of the present invention. [ Fig. 8 ] is a cross-sectional view showing various structures of the thermochromic region of the mask body shown in Fig. 7 .

1: Hygienic masks

10: The main body of the mask

11: Support body

100: Thermochromic area

Claims (13)

A sanitary mask, characterized in that, Have a mask body, at least receive exhalation from the wearer's nostrils or mouth or both, In the part of the mask body affected by the temperature of the exhaled breath, a thermochromic region containing ink, pigment, or liquid crystal that changes color according to temperature is provided, and the temperature of the exhaled breath of the wearer is transmitted through the temperature of the wearer's exhaled breath. The discoloration of the thermochromic area indicates the body temperature state of the wearer. A sanitary mask, characterized in that, Have a mask body that covers at least the wearer's nostrils or mouth or both to maintain the temperature of exhalation, In the part of the mask body affected by the temperature of the exhaled breath, a thermochromic region containing ink, pigment, or liquid crystal that changes color according to temperature is provided, and the temperature of the exhaled breath of the wearer is transmitted through the temperature of the wearer's exhaled breath. The discoloration of the thermochromic area indicates the body temperature state of the wearer. The sanitary mask of claim 1 or 2, wherein, The mask body is transparent, and the thermochromic area is provided on the surface of the back of the mask body that receives the exhaled breath. The sanitary mask of claim 1 or 2, wherein, The thermochromic region is formed by applying the ink or the pigment. The sanitary mask of claim 1 or 2, wherein, The thermochromic region is formed by mounting a seal printed with the ink or pigment. The sanitary mask according to any one of claims 1 to 5, wherein, The ink or the pigment is an irreversible temperature-indicating ink or an irreversible temperature-indicating pigment. The sanitary mask according to any one of claims 1 to 5, wherein, The ink or the pigment is a reversible temperature-indicating ink or a reversible temperature-indicating pigment. The sanitary mask according to any one of claims 1 to 3, wherein, The thermochromic region is formed by installing a temperature display film using a thermosensitive liquid crystal. The sanitary mask according to any one of claims 5 to 8, wherein, The thermochromic region is provided with desired one or more holes perforated in the mask body at a portion affected by the temperature of the exhaled breath. The sanitary mask according to any one of claims 1 to 9, wherein, The thermochromic regions change to the color that they assume at the desired set temperature. The sanitary mask according to any one of claims 1 to 9, wherein, The thermochromic region displays or disappears characters or patterns at a desired set temperature. The sanitary mask of claim 10 or 11, wherein, The set temperature is 37 degrees Celsius. The sanitary mask according to any one of claims 1 to 9, wherein, In the thermochromic region, a desired temperature group is arranged and divided in order of temperature to display a desired color.

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