A cryogenic atomizing agent and its preparation method and application

Abstract

The present invention discloses an ultra-low temperature atomizing agent and its preparation method and application. The components of the ultra-low temperature atomizing agent include a surfactant and a polyol atomizing agent; the surfactant includes a combination of an amphoteric ion surfactant and a non-ionic surfactant. By modifying the atomizing agent with the surfactant, the present invention can reduce the heating temperature of the heated cigarette to 150 °C or below and reduce the release amount of harmful glycocompounds in the aerosol without reducing the smoke emission amount of the heated cigarette aerosol.

Description

Technical Field

[0001] The present invention belongs to the technical field of heated tobacco products, and particularly relates to an ultra-low temperature atomizing agent and a preparation method and application thereof. Background Art

[0002] Heated tobacco products, also known as heat-not-burn tobacco products. Generally, the tobacco medium (mainly including tobacco sheets, tobacco particles, etc.) is heated below 500°C (generally in the range of 250°C - 350°C), and the satisfaction and part of the tobacco fragrance can be transmitted to consumers.

[0003] Due to the significant reduction in the heating temperature of heated tobacco products, the harmful components in the smoke generated by heated tobacco products are also significantly reduced. Studies have shown that heated tobacco products can reduce the release of harmful substances by 80% compared with traditional cigarettes (the combustion temperature is about 900°C), and the release amount of harmful substances will further decrease with the decrease of the heating temperature.

[0004] CN110679984A provides a preparation method of a special sheet for heated tobacco products. The method includes the following steps: crushing tobacco leaves into tobacco powder; mixing the tobacco powder, inorganic inert heat-conducting material, water, atomizing agent, sizing agent, outer fiber, and dispersant evenly and then roll-forming to form a base sheet; drying and cutting the base sheet to obtain the special sheet for heated tobacco products. The present invention can obtain a special sheet for heated tobacco products with high thermal conductivity, uniform heat conduction, significant atomization effect, and high tensile strength.

[0005] CN112021634A discloses a preparation method of a paper-making method special sheet for heated tobacco products, including the following steps: making a base sheet from a mixed pulp containing tobacco pulp, tobacco stem pulp, and mixed outer fiber pulp through a papermaking technology, and the tobacco stem pulp and the mixed outer fiber pulp are modified pulps; the modification process is: sequentially treating the raw material tobacco stem pulp and the raw material mixed outer fiber pulp in sodium hydroxide solution and monochloroacetic acid solution, and then washing with ethanol and clear water until neutral; performing vacuum freeze-drying treatment on the base sheet to obtain a freeze-dried base sheet; stacking the freeze-dried base sheets, and vibrating and sieving to coat a mixed powder and an atomizing agent in the interlayer to obtain a coated base sheet, and the coating of the mixed powder and the atomizing agent is carried out separately, and the mixed powder contains tobacco powder, adhesive, and inert heat-conducting material; performing roll pressing, vacuum balancing treatment, and cutting on the coated base sheet to obtain the special sheet.

[0006] Since the atomizing agents for heated tobacco products in the prior art are mostly high-boiling polyols such as glycerol and propylene glycol, the lowest heating temperature of heated tobacco products is generally 200°C. If the heating temperature is lower than 200°C, problems such as less aerosol smoke volume and ineffective release of flavor substances in the tobacco medium will occur. Summary of the Invention

[0007] In view of the deficiencies of the prior art and the actual needs, the present invention provides an ultra-low temperature atomizing agent, a preparation method and an application thereof. By modifying the atomizing agent with surfactants, the present invention can reduce the heating temperature of the heated cigarette to 150 °C or below (ultra-low temperature) without reducing the aerosol smoke emission of the heating coil, and reduce the release amount of harmful glycocompounds in the aerosol.

[0008] To achieve the object of the present invention, the following technical solutions are adopted:

[0009] In a first aspect, the present invention provides an ultra-low temperature atomizing agent, and the components of the ultra-low temperature atomizing agent include a surfactant and a polyol atomizing agent;

[0010] The surfactant includes a combination of zwitterionic surfactants and nonionic surfactants.

[0011] In the prior art, the combustion temperature of heated cigarettes is generally between 250 °C and 350 °C. The "ultra-low temperature" in the present invention means that the combustion temperature of the heated cigarette is lower than 150 °C.

[0012] The atomizing agent provided by the present invention utilizes the characteristics of zwitterionic surfactants and nonionic surfactants to cause obvious changes in the atomizing agent interface. Since the polyol atomizing agent has strong polarity, the hydrophilic group of the surfactant faces the atomizing agent interface, and the hydrophobic group faces the air interface. When the temperature of the heated cigarette rises to 100-150 °C, a large amount of water vapor will be contained in the aerosol, resulting in the inversion of the surfactant plane, thereby promoting the atomization of the polyol atomizing agent along with the aerosol to form smoke, and then the satisfaction and tobacco fragrance can be transmitted to consumers, that is, the sensory experience of consumers is satisfied, and the purpose of reducing the release amount of harmful glycocompounds in the aerosol is achieved.

[0013] Preferably, the mass ratio of the surfactant to the polyol atomizing agent is (1-10):100, for example, it can be 1:100, 2:100, 3:100, 4:100, 5:100, 6:100, 7:100, 8:100 or 9:100, etc. Other specific point values within the above numerical ranges can be selected and will not be elaborated here one by one.

[0014] Preferably, the polyol atomizing agent includes any one or a combination of at least two of glycerol, 1,2-propanediol, xylitol or polyethylene glycol.

[0015] Preferably, the polyol atomizing agent includes a combination of glycerol, 1,2-propanediol, xylitol and polyethylene glycol.

[0016] Preferably, the mass ratio of glycerol, 1,2-propanediol, xylitol and polyethylene glycol is (5 - 8):(1 - 3):(0.5 - 1.5):(0.5 - 1.5).

[0017] Among them, "5 - 8" can be 5.2, 5.5, 5.8, 6, 6.2, 6.5, 6.8, 7, 7.2, 7.5 or 7.8, etc.;

[0018] "1 - 3" can be 1.2, 1.4, 1.6, 1.8, 2, 2.2, 2.4, 2.6 or 2.8, etc.;

[0019] The first "0.5 - 1.5" can be 0.6, 0.7, 0.8, 0.9, 1, 1.1, 1.2, 1.3 or 1.4, etc.;

[0020] The second "0.5 - 1.5" can be 0.6, 0.7, 0.8, 0.9, 1, 1.1, 1.2, 1.3 or 1.4, etc.

[0021] The polyol aerosol of the present invention selects the combination of glycerol, 1,2 - propanediol, xylitol and polyethylene glycol. The combination of the four can make the smoke volume of the heated cigarette thicker, and thus can better meet the sensory experience of consumers. Under the above ratio, the effect is better.

[0022] Other specific point values within the above numerical ranges can be selected, and will not be elaborated one by one here.

[0023] Preferably, the mass ratio of the zwitterionic surfactant and the non - ionic surfactant is 1:(2 - 3), for example, it can be 1:1.1, 1:1.2, 1:1.3, 1:1.4, 1:1.5, 1:1.6, 1:1.7, 1:1.8 or 1:1.9, etc. Other specific point values within the above numerical ranges can be selected, and will not be elaborated one by one here.

[0024] Preferably, the non - ionic surfactant includes any one or a combination of at least two of alkyl glucoside, polysorbate or fatty acid glyceride.

[0025] Preferably, the non - ionic surfactant is a combination of alkyl glucoside, polysorbate and fatty acid glyceride.

[0026] Preferably, the mass ratio of alkyl glucoside, polysorbate and fatty acid glyceride is (4 - 6):(0.5 - 1.5):(0.5 - 1.5).

[0027] Among them, "4 - 6" can be 4.2, 4.4, 4.6, 4.8, 5, 5.2, 5.4, 5.6 or 5.8, etc.;

[0028] The first "0.5 - 1.5" can be 0.6, 0.7, 0.8, 0.9, 1, 1.1, 1.2, 1.3, 1.4, etc.;

[0029] The second "0.5 - 1.5" can be 0.6, 0.7, 0.8, 0.9, 1, 1.1, 1.2, 1.3, 1.4, etc.

[0030] Other specific point values within the above numerical ranges can be selected and will not be elaborated one by one here.

[0031] Preferably, the amphoteric surfactant includes any one or a combination of at least two of lecithin, betaine-type surfactant or amino acid-type surfactant;

[0032] Preferably, the amphoteric surfactant is lecithin.

[0033] In a second aspect, the present invention provides a method for preparing the ultra-low temperature atomizing agent described in the first aspect, the method comprising mixing a surfactant and a polyol atomizing agent to obtain the ultra-low temperature atomizing agent.

[0034] Preferably, the temperature of the mixing is 25 - 35°C, for example, it can be 26°C, 27°C, 28°C, 29°C, etc.

[0035] Preferably, after mixing, it is left to stand for 12 - 24 h, for example, it can be 14 h, 16 h, 18 h, 20 h, 22 h, etc.

[0036] Other specific point values within the above numerical ranges can be selected and will not be elaborated one by one here.

[0037] In a third aspect, the present invention provides an application of the ultra-low temperature atomizing agent described in the first aspect in the preparation of heated tobacco sheets.

[0038] Preferably, the heated tobacco sheet includes any one of a slurry process sheet, a paper-making process sheet or a cut tobacco sheet;

[0039] Preferably, the dosage of the ultra-low temperature atomizing agent in the slurry process sheet is 20 - 30% of the total amount of the sheet, for example, it can be 21%, 23%, 25%, 27%, 29, etc.

[0040] Preferably, the dosage of the ultra-low temperature atomizing agent in the paper-making process sheet is 25 - 40% of the total amount of the sheet, for example, it can be 26%, 28%, 30%, 32%, 34%, 36%, 38%, etc.

[0041] Preferably, the dosage of the ultra-low temperature atomizing agent in the cut tobacco sheet is 15 - 30% of the total amount of the sheet, for example, it can be 16%, 18%, 20%, 22%, 24%, 26%, 28%, etc.

[0042] Other specific point values within the above numerical ranges can be selected, and will not be elaborated one by one here.

[0043] Compared with the prior art, the present invention has the following beneficial effects:

[0044] (1) For the first time, the present invention introduces zwitterionic surfactants and non-ionic surfactants into the field of research on the smoke-generating medium of heated cigarettes. Through the self-characteristics of zwitterionic surfactants and non-ionic surfactants, a low-temperature heated cigarette aerosolizing agent is developed, and effective atomization of the heated cigarette aerosol is achieved under the heating condition of 100 - 150 °C.

[0045] (2) Since the heat-receiving temperature of the ultra-low temperature heated cigarette smoke-generating medium prepared by the present invention is significantly lower than that of other existing technologies, the release amount of harmful glycation compounds generated during the suction process of the ultra-low temperature heated cigarette is less. Detailed implementation manners

[0046] To further elaborate on the technical means adopted by the present invention and its effects, the present invention will be further described below in conjunction with embodiments. It can be understood that the specific implementation manners described herein are only used to explain the present invention and not to limit the present invention.

[0047] For those not specifying specific technologies or conditions in the embodiments, they shall be in accordance with the technologies or conditions described in the literature in this field or in accordance with the product specifications. For those reagents or instruments not specifying the manufacturer, they are all conventional products that can be obtained through regular commercial channels.

[0048] The sources of some raw materials used in the embodiments of the present invention are as follows:

[0049] Name Source Tobacco leaves (tobacco dust or cut tobacco) Central Yunnan tobacco leaves Wood fiber Shijiazhuang Xinyuan Cellulose Co., Ltd. Carboxymethyl cellulose Henan Ruiren Biotechnology Co., Ltd. Guar gum Jiangsu Caiwei Biotechnology Co., Ltd.

[0050] The remaining raw materials can be used as long as they are purchased from regular distributors.

[0051] Example 1

[0052] This example provides an ultra-low temperature aerosolizing agent, and the components of the ultra-low temperature aerosolizing agent are:

[0053]

[0054]

[0055] The preparation method of the ultra-low temperature aerosolizing agent is:

[0056] Mix glycerol, 1,2-propanediol, xylitol, polyethylene glycol, alkyl glucoside, polysorbate, glycerol fatty acid ester, and lecithin evenly at 30 °C according to the proportional relationship, and obtain the ultra-low temperature aerosolizing agent after standing for 24 hours.

[0057] Example 2

[0058] This example provides an ultra-low temperature atomizing agent, and the components of the ultra-low temperature atomizing agent are as follows:

[0059]

[0060] The preparation method of the ultra-low temperature atomizing agent is as follows:

[0061] Mix glycerol, 1,2-propanediol, xylitol, polyethylene glycol, alkyl glucoside, polysorbate, fatty acid glyceride and lecithin evenly at 35 °C according to the proportional relationship, and obtain the ultra-low temperature atomizing agent after standing for 18 hours.

[0062] Example 3

[0063] This example provides an ultra-low temperature atomizing agent, and the components of the ultra-low temperature atomizing agent are as follows:

[0064]

[0065] The preparation method of the ultra-low temperature atomizing agent is as follows:

[0066] Mix glycerol, 1,2-propanediol, xylitol, polyethylene glycol, alkyl glucoside, polysorbate, fatty acid glyceride and lecithin evenly at 25 °C according to the proportional relationship, and obtain the ultra-low temperature atomizing agent after standing for 20 hours.

[0067] Example 4

[0068] This example provides an ultra-low temperature atomizing agent. The difference between the ultra-low temperature atomizing agent and Example 1 is only that the polyol atomizing agent does not include glycerol, and the reduced amount is proportionally distributed to 1,2-propanediol, xylitol and polyethylene glycol, and the addition amount of the polyol atomizing agent remains unchanged. The remaining steps are the same as those in Example 1, and the preparation method refers to Example 1.

[0069] Example 5

[0070] This example provides an ultra-low temperature atomizing agent. The difference between the ultra-low temperature atomizing agent and Example 1 is only that the polyol atomizing agent does not include 1,2-propanediol, and the reduced amount is proportionally distributed to glycerol, xylitol and polyethylene glycol, and the addition amount of the polyol atomizing agent remains unchanged. The remaining steps are the same as those in Example 1, and the preparation method refers to Example 1.

[0071] Example 6

[0072] This embodiment provides a cryogenic atomizing agent. The difference between this cryogenic atomizing agent and that of Example 1 is only that the polyol atomizing agent does not include xylitol, and the reduced amount is proportionally distributed to glycerol, 1,2-propanediol, and polyethylene glycol, while keeping the addition amount of the polyol atomizing agent unchanged. The remaining steps are the same as those of Example 1, and the preparation method refers to Example 1.

[0073] Example 7

[0074] This embodiment provides a cryogenic atomizing agent. The difference between this cryogenic atomizing agent and that of Example 1 is only that the polyol atomizing agent does not include polyethylene glycol, and the reduced amount is proportionally distributed to glycerol, 1,2-propanediol, and xylitol, while keeping the addition amount of the polyol atomizing agent unchanged. The remaining steps are the same as those of Example 1, and the preparation method refers to Example 1.

[0075] Example 8

[0076] This embodiment provides a cryogenic atomizing agent. The difference between this cryogenic atomizing agent and that of Example 1 is only that the non-ionic surfactant does not include alkyl glucoside, and the reduced amount is proportionally distributed to polysorbate and glycerol fatty acid ester, while keeping the addition amount of the non-ionic surfactant unchanged. The remaining steps are the same as those of Example 1, and the preparation method refers to Example 1.

[0077] Example 9

[0078] This embodiment provides a cryogenic atomizing agent. The difference between this cryogenic atomizing agent and that of Example 1 is only that the non-ionic surfactant does not include polysorbate, and the reduced amount is proportionally distributed to alkyl glucoside and glycerol fatty acid ester, while keeping the addition amount of the non-ionic surfactant unchanged. The remaining steps are the same as those of Example 1, and the preparation method refers to Example 1.

[0079] Example 10

[0080] This embodiment provides a cryogenic atomizing agent. The difference between this cryogenic atomizing agent and that of Example 1 is only that the non-ionic surfactant does not include glycerol fatty acid ester, and the reduced amount is proportionally distributed to alkyl glucoside and polysorbate, while keeping the addition amount of the non-ionic surfactant unchanged. The remaining steps are the same as those of Example 1, and the preparation method refers to Example 1.

[0081] Comparative Example 1

[0082] This comparative example provides a cryogenic atomizing agent. The difference between this cryogenic atomizing agent and that of Example 1 is only that it does not include amphoteric surfactant, and the reduced amount is proportionally distributed to alkyl glucoside, polysorbate, and glycerol fatty acid ester, while keeping the ratio of polyol atomizing agent to surfactant unchanged. The preparation method refers to Example 1.

[0083] Comparative Example 2

[0084] This comparative example provides a cryogenic atomizing agent. The difference between the cryogenic atomizing agent and that of Example 1 is only that it does not include a nonionic surfactant, and the reduced amount is added to lecithin, while keeping the ratio of the polyol atomizing agent to the surfactant unchanged. The preparation method refers to Example 1.

[0085] Comparative Example 3

[0086] This comparative example provides an atomizing agent, and the components of the atomizing agent are 120 parts of glycerol, 40 parts of 1,2 - propanediol, 20 parts of xylitol, and 20 parts of polyethylene glycol;

[0087] The preparation method of the atomizing agent is as follows:

[0088] Mix glycerol, 1,2 - propanediol, xylitol and polyethylene glycol evenly at 30°C according to the ratio relationship, and the atomizing agent is obtained after standing for 24 hours.

[0089] Application Example 1

[0090] This application example provides a heated cigarette, and the preparation method of the heated cigarette is as follows:

[0091] (1) Mix 40 parts of tobacco dust (100 mesh), 8 parts of wood fiber (80 mesh), 16 parts of the cryogenic atomizing agent prepared in Example 1, 3.4 parts of guar gum, and 10 parts of water evenly, and obtain a mixed slurry after standing at 30°C for 24 hours;

[0092] (2) Put the mixed slurry into a thin sheet forming vessel, place it in an oven at 90°C and dry for 30 minutes, and cut the dried thin sheet;

[0093] (3) Load the cut thin sheet into the heated cigarette stick structure (three - segment structure), and control the filling amount of the heated cigarette thin sheet to be 300 ± 30 mg / stick.

[0094] Application Example 2

[0095] This application example provides a heated cigarette, and the preparation method of the heated cigarette is as follows:

[0096] (1) Mix 40 parts of tobacco dust (100 mesh), 2 parts of carboxymethyl cellulose, 1.5 parts of guar gum, 15 parts of water and 20 parts of the cryogenic atomizing agent prepared in Example 2, and stir to mix evenly to obtain a coating liquid;

[0097] (2) Use a coater to coat the coating liquid onto the substrate between the two rollers, then place it in an oven at 80°C and dry for 40 minutes, and cut the dried thin sheet;

[0098] (3) Load the shredded thin slices into the heated cigarette stick structure (three - segment structure), and control the filling amount of the heated cigarette thin slices to be 300 ± 30 mg / stick.

[0099] Application Example 3

[0100] This application example provides a heated cigarette, and the preparation method of the heated cigarette is as follows:

[0101] (1) Feed the cased tobacco after loosening and conditioning into the feeding cylinder, and use a high - pressure nozzle to apply the low - temperature atomizing agent prepared in Example 3 at 20% of the weight of the cased tobacco. After the application, store the cased tobacco for 2 hours, then cut it into shreds, and then place it in an oven at 170 °C for drying for 1 minute. After storing the cut tobacco for 1 hour, tobacco shred thin slices are obtained;

[0102] (2) Load the tobacco shred thin slices into the heated cigarette stick structure (three - segment structure), and control the filling amount of the heated cigarette thin slices to be 300 ± 30 mg / stick.

[0103] Application Examples 4 - 10

[0104] The said application examples provide 7 kinds of heated cigarettes. The difference from Application Example 1 is only that the ultra - low - temperature atomizing agent prepared in Example 1 in step (1) is replaced with the ultra - low - temperature atomizing agents prepared in Examples 4 - 10, and the atomizing agent addition amount remains unchanged. The remaining steps are the same as those in Application Example 1.

[0105] Comparative Application Examples 1 - 3

[0106] The said comparative application examples provide 3 kinds of heated cigarettes. The difference from Application Example 1 is only that the ultra - low - temperature atomizing agent prepared in Example 1 in step (1) is replaced with the atomizing agents prepared in Comparative Examples 1 - 3, and the atomizing agent addition amount remains unchanged. The remaining steps are the same as those in Application Example 1.

[0107] Test Example 1

[0108] Smoke the heated cigarettes prepared in Application Examples 1 - 10, Comparative Application Examples 1 - 3 and commercially available heated cigarettes using a smoking device with the same heating curve (constant heating temperature is 150 °C). The smoking uses the Canadian deep - draw mode, and then use a 44 - mm Cambridge filter to trap the aerosol to obtain the aerosol release amount (ACM) among different samples. The results are shown in Table 1:

[0109] Table 1

[0110]

[0111]

[0112] As can be seen from the data in Table 2, compared with the commercially available heated tobacco products, the heated tobacco products prepared in Application Examples 1-3 of the present invention can release more aerosol at 150 °C, indicating that the heated tobacco products have a better smoking effect at a lower temperature.

[0113] Comparison of the release amounts of harmful carbonyl compounds in the aerosol of Test Example 2

[0114] The aerosols captured in Application Examples 1-3, Comparative Application Examples 1-3 and commercially available products in Test Example 1 were tested for the release amounts of harmful carbonyl compounds. The test method was referred to the current industry standard YC / T 254-2008 "Determination of main carbonyl compounds in mainstream cigarette smoke - High performance liquid chromatography method". The results are shown in Table 2 below:

[0115] Table 2

[0116]

[0117]

[0118] As can be seen from the data in Tables 1 and 2, compared with the commercially available heated tobacco products, the content of harmful carbonyl compounds in the aerosol of the heated tobacco products prepared in Application Examples 1-3 of the present invention is lower.

[0119] Test Example 3

[0120] Seven top-grade smoking assessors were organized to use smoking devices with the same heating curve (constant temperature heating temperature was 150 °C). According to the evaluation content and judgment criteria in Table 3, sensory smoking tests were carried out on the heated tobacco products obtained in Application Examples 1-10 and Comparative Application Examples 1-3, and the commercially available heated tobacco products were used as the control heated tobacco products.

[0121] The scoring results are shown in Table 4 (the average value of each group is taken and reserved to one decimal place).

[0122] Table 3 Sensory index scoring scale

[0123]

[0124]

[0125] Table 4 Sensory quality evaluation results of different implementation samples

[0126]

[0127]

[0128] As can be seen from Table 4, compared with the commercially available heated tobacco products, the heated tobacco products obtained in Application Examples 1-3 of the present invention have obvious improvements in terms of smoke concentration, strength, fineness and aroma characteristics, etc., and have less oral irritation.

[0129] As can be seen from Application Examples 4-7, when the aerosol former is not the specific combination of the present invention, the amount of smoke and the strength of the heated cigarette are small, and thus the sensory experience is poor.

[0130] As can be seen from Application Examples 8-10, when the non-ionic surfactant is not the combination of alkyl glucoside, polysorbate and glycerol fatty acid ester of the present invention, the modification effect on the aerosol former is poor, and the aerosol release amount of the heated cigarette at low temperature is small, thus resulting in poor sensory quality of the heated cigarette.

[0131] As can be seen from Comparative Application Examples 1 and 2, when only non-ionic surfactant or zwitterionic surfactant is used to modify the aerosol former, the treatment effect on the aerosol former is poor, and thus the sensory experience of the heated cigarette is also poor.

[0132] As can be seen from Comparative Application Example 3, when the aerosol former is not treated with surfactant, the sensory quality of the heated cigarette is significantly poor.

[0133] The applicant declares that the present invention uses the above embodiments to illustrate a super-low temperature aerosol former and its preparation method and application, but the present invention is not limited to the above detailed methods, that is, it does not mean that the present invention must rely on the above detailed methods to be implemented. Those skilled in the art should understand that any improvement of the present invention, the equivalent replacement of each raw material of the products of the present invention, the addition of auxiliary components, the selection of specific methods, etc. all fall within the protection scope and the disclosure scope of the present invention.

Claims

1. A cryogenic atomizing agent, characterized in that, The components of the ultra-low temperature atomizing agent include a surfactant and a polyol atomizing agent; The surfactant includes a combination of an amphoteric surfactant and a non-ionic surfactant; The polyol atomizing agent includes a combination of glycerol, 1,2-propanediol, xylitol, and polyethylene glycol; The non-ionic surfactant is a combination of alkyl glucoside, polysorbate, and fatty acid glyceride; The amphoteric surfactant is lecithin; The ultra-low temperature atomizing agent is applied to heat-not-burn cigarette sheets; The ultra-low temperature means that the heating temperature of the heat-not-burn cigarette is lower than 150 °C.

2. The cryogenic atomizing agent according to claim 1, wherein The mass ratio of the surfactant to the polyol atomizing agent is (1-10):

100.

3. The ultra-low temperature atomizing agent according to claim 1, wherein The mass ratio of glycerol, 1,2-propanediol, xylitol, and polyethylene glycol is (5-8):(1-3):(0.5-1.5):(0.5-1.5).

4. The cryogenic atomizing agent according to claim 1, wherein, The mass ratio of the amphoteric surfactant to the non-ionic surfactant is 1:(2-3).

5. The ultra-low temperature atomizing agent according to claim 1, characterized in that, The mass ratio of alkyl glucoside, polysorbate, and fatty acid glyceride is (4-6):(0.5-1.5):(0.5-1.5).

6. The preparation method of the cryogenic atomizing agent according to any one of claims 1-5, characterized in that, The method includes mixing the surfactant and the polyol atomizing agent to obtain the ultra-low temperature atomizing agent.

7. The preparation method of the cryogenic atomizing agent according to claim 6, characterized in that, The temperature of the mixing is 25-35 °C.

8. The preparation method of the cryogenic atomizing agent according to claim 6, characterized in that, After mixing, it is left to stand for 12-24 h.

9. Use of an ultra-low temperature atomizing agent according to any one of claims 1-5 in the preparation of heat-not-burn cigarette sheets.

10. The application according to claim 9, wherein The heat-not-burn cigarette sheets include slurry process sheets or paper-making process sheets.

11. The application according to claim 10, characterized in that, The dosage of the ultra-low temperature atomizing agent in the slurry process sheets is 20-30% of the total amount of the sheets.

12. The application according to claim 10, characterized in that, The dosage of the ultra-low temperature atomizing agent in the paper-making process sheets is 25-40% of the total amount of the sheets.

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