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WO2025150110A1 - Bâtonnet pour inhalation d'arôme, et système d'inhalation d'arôme - Google Patents

Bâtonnet pour inhalation d'arôme, et système d'inhalation d'arôme

Info

Publication number
WO2025150110A1
WO2025150110A1 PCT/JP2024/000243 JP2024000243W WO2025150110A1 WO 2025150110 A1 WO2025150110 A1 WO 2025150110A1 JP 2024000243 W JP2024000243 W JP 2024000243W WO 2025150110 A1 WO2025150110 A1 WO 2025150110A1
Authority
WO
WIPO (PCT)
Prior art keywords
stick
cooling
section
filter
cooling section
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/JP2024/000243
Other languages
English (en)
Japanese (ja)
Inventor
敦輝 八塚
崇 小南
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Tobacco Inc
Original Assignee
Japan Tobacco Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Japan Tobacco Inc filed Critical Japan Tobacco Inc
Priority to PCT/JP2024/000243 priority Critical patent/WO2025150110A1/fr
Publication of WO2025150110A1 publication Critical patent/WO2025150110A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors

Definitions

  • Patent Document 1 describes a non-combustion heated tobacco having a tobacco rod section, a mouthpiece section, and a wrapping section in which the tobacco section and the mouthpiece section are wrapped with tipping paper, with a lip release agent being applied to at least a portion of the tipping paper.
  • the wrapping section is composed of a first region including the mouth-side end of the non-combustion heated tobacco and a second region located closer to the tobacco rod section of the wrapping section than the first region, and that the content of lip release agent per unit area in the second region is less than the content of lip release agent per unit area in the first region.
  • Patent Document 1 also discloses that the mouthpiece section includes a cooling section.
  • a non-combustion heating type flavor inhalation stick that is heated by a heating device
  • high-temperature steam or aerosol generated by heating is cooled before being delivered to the user's mouth.
  • the components delivered to the user's mouth may contain not only components that improve the flavor and aroma, but also components that have undesirable effects on the flavor and aroma.
  • the present inventors have found that the temperature of the steam or aerosol affects the filtration rate of these components in the flavor inhalation stick.
  • An object of the present disclosure is to provide a flavor inhalation stick and a flavor inhalation system that selectively filters components generated by heating.
  • One form of the present disclosure provides a non-combustion heating type flavor inhalation stick that is heated by a heating device when used, the flavor inhalation stick comprising: a base portion containing a flavor source; and a cooling portion that, during use, cools vapor and/or aerosol generated by heating the base portion and maintains an internal temperature at a temperature higher than 100°C.
  • the cooling section may maintain the internal temperature during use at a temperature greater than 100° C. and less than or equal to 200° C. at the coldest point within the cooling section.
  • the cooling section may maintain the internal temperature during use at a temperature higher than 100° C. and lower than 200° C. at a location in the cooling section that is farthest from the base section.
  • the internal temperature may be the temperature of the inner wall of the cylindrical member.
  • the cooling portion may include at least one of aluminum laminated paper, copper foil, and carbon paper.
  • a communication passage that connects the outside and the inside may be formed downstream of the center of the cooling section in the longitudinal direction of the region in which the cooling section is disposed.
  • the cooling unit may further include a filter unit having a first filter that has a hollow portion and is adjacent to the downstream side of the cooling unit, and a solid second filter that is adjacent to the downstream side of the first filter.
  • a flavor inhalation system including the flavor inhalation stick and a heating device that heats the flavor inhalation stick.
  • FIG. 1 is a diagram showing an example of a vertical cross section of a flavor inhalation stick.
  • FIG. 2 is a schematic diagram showing an example of an internal configuration of a heating device.
  • FIG. 1 shows an example and a comparative example of a flavor inhalation stick according to the first embodiment, in which (A) is a longitudinal cross-section of a stick according to the example, and (B) is a longitudinal cross-section of a stick according to the first comparative example.
  • 1A and 1B are diagrams showing other comparative examples of the flavor inhalation stick according to the first embodiment, in which (A) is a longitudinal section of a stick according to a second comparative example, and (B) is a longitudinal section of a stick according to a third comparative example.
  • FIG. 1 is a diagram showing an example of a vertical cross section of a flavor inhalation stick.
  • FIG. 2 is a schematic diagram showing an example of an internal configuration of a heating device.
  • FIG. 1 shows an example and a
  • the insulating section 144 is arranged so as to cover at least the outer periphery of the heating section 121.
  • the insulating section 144 is made of a vacuum insulating material, an aerogel insulating material, or the like.
  • a vacuum insulating material is an insulating material in which, for example, glass wool and silica (silicon powder) are wrapped in a resin film and placed in a high vacuum state, thereby reducing the thermal conduction of gas to as close to zero as possible.
  • a member separate from the base material portion 10 may be disposed on the first side (upstream side) of the base material portion 10.
  • This separate member is, for example, a member that prevents the flavor source 11 from falling off from the end face of the base material portion 10 on the first side.
  • the flavoring contained in the flavor source 11 may be used alone or in combination of two or more types.
  • the flavor source 11 may include a medicine for the patient to inhale.
  • the components constituting the flavor source 11 are not limited to solid materials, and may include, for example, polyhydric alcohols such as glycerin and propylene glycol, and liquid materials such as water.
  • the form of the flavor source 11 is not limited to solid or semi-solid, and may be, for example, a capsule containing a liquid material.
  • a tobacco sheet having one side of the same size as the size of the center line direction of the substrate 10 may be filled in a state where it is folded back multiple times horizontally to the center line direction of the substrate 10 (so-called gathered sheet).
  • the configuration of the cigarette paper 12 is not particularly limited and may be of a general form, for example, one containing pulp as a main component. Pulp may be made from wood pulp such as softwood pulp or hardwood pulp, or may be made by mixing non-wood pulp that is generally used for cigarette paper 12 for tobacco products, such as flax pulp, hemp pulp, sisal pulp, or esparto. Types of pulp that can be used include chemical pulp produced by the kraft cooking method, acidic/neutral/alkali sulfite cooking method, soda salt cooking method, etc., ground pulp, chemi-ground pulp, thermomechanical pulp, etc.
  • the cigarette paper 12 may contain a filler, for example, calcium carbonate from the viewpoint of improving whiteness and opacity and increasing the heating rate.
  • the cigarette paper 12 may also contain various auxiliary agents, and may have a coating agent added to at least one of the two surfaces, the front surface and the back surface.
  • the cross sections of the first filter 31 and the second filter 32 of the filter unit 30 are substantially circular, and the diameter of the circle and the perimeter of the cross section can be appropriately changed according to the size of the product. If the cross section is not circular, the above diameter is assumed to be a circle having the same area as the cross section, and the diameter of the circle is applied.
  • the size of the filter part 30 in the center line direction can be appropriately changed according to the size of the stick 1, but is usually 5.0 mm to 35.0 mm, preferably 10.0 mm to 30.0 mm, and more preferably 15.0 mm to 25.0 mm.
  • the shapes and dimensions of the first filter 31 and the second filter 32 can be appropriately adjusted so that the shape and dimensions of the filter part 30 are within the above ranges.
  • the airflow resistance of the filter unit 30 refers to the air pressure difference between the first side and the second side when air is allowed to flow at a predetermined air flow rate (17.5 cc/min) from the first side to the second side in a state in which air does not pass through the sides of the filter unit 30.
  • the unit is generally expressed in mmH2O.
  • the embodiment of the paper wrapper 33 is not particularly limited, and may include one or more rows of adhesive-containing seams.
  • the adhesive may include a hot melt adhesive, and the hot melt adhesive may further include polyvinyl alcohol.
  • the adhesive may also include a vinyl acetate-based adhesive.
  • the wrapper paper 33 may be either coated or uncoated, but is preferably coated with a desired material from the standpoint of imparting functions such as strength and structural rigidity.
  • the wrapping paper 33 may be a plastic, polymeric sheet, etc.
  • the wrapping paper 33 may be a porous member having a plurality of pores formed therein.
  • the tipping paper 40 is wound around the outer peripheral surfaces of the base material portion 10, the cooling portion 20, and the filter portion 30.
  • the shape of the tipping paper 40 is not particularly limited, and is, for example, a square or a rectangle.
  • the configuration of the tipping paper 40 is not particularly limited and may be a general embodiment, for example, one in which pulp is the main component.
  • the pulp may be made of wood pulp such as softwood pulp or hardwood pulp, or may be made by mixing non-wood pulp generally used in cigarette papers for tobacco products, such as flax pulp, hemp pulp, sisal pulp, and esparto. These pulps may be used alone or in combination of multiple types in any ratio.
  • the tipping paper 40 may contain a filler, such as calcium carbonate, from the viewpoint of improving whiteness and opacity and increasing the heating rate.
  • the tipping paper 40 may contain various auxiliaries, such as a water resistance improver including a wet strength agent (WS agent) and a sizing agent.
  • WS agent wet strength agent
  • sizing agent a sizing agent
  • the communication passage 60 communicates between the outside and the inside of the stick 1. Therefore, when inhaled, the communication passage 60 allows air outside the stick 1 to flow into the inside.
  • the shape of the communication passage 60 can be, for example, a circular cylinder, an elliptical cylinder, a polygonal prism, a polygonal prism with rounded corners, or a mortar shape.
  • the communication passages 60 are formed by through holes (also referred to as "ventilation filters (Vf)" in this technical field) formed at least in the region of the tipping paper 40 where the cooling section 20 is arranged. In the example shown in Fig.
  • a plurality of communication passages 60 are formed in the cooling section 20, and are formed in the circumferential direction of the cooling section 20 and concentrically.
  • the communication passages 60 are not limited to being formed around the entire circumference of the cooling section 20, but may be formed in a portion of the circumference of the cooling section 20.
  • the number of communication passage groups may be one or may be two or more.
  • a communication passage 60 that connects the outside and inside of the stick 1 allows air to flow from the outside into the inside of the cooling section 20 when the user inhales on the stick 1. This makes it possible to adjust the concentration of the inhaled flavor components and aerosol. It also promotes cooling of the steam flowing in from the base section 10 and the air inside the cooling section 20. In addition, when the base section 10 is heated, the steam generated using the aerosol as a condensation nucleus comes into contact with the air from the outside and is cooled, liquefying, promoting the generation of the aerosol.
  • the position of the communication passage 60 in the center line direction be a position where air can flow in from outside the stick 1, for example a position within the area protruding from the insertion port 142 when the stick 1 is held in the holding portion 140 of the heating device 100.
  • the communication passage 60 is provided so that the air inflow rate from the communication passage 60 when inhaled at 17.5 ml/sec by an automatic smoking machine is 10% by volume or more and 90% by volume or less.
  • This "air inflow rate” is the volume rate of air inflowing from the communication passage 60 when the rate of air inhaled from the end of the second side of the stick 1 is taken as 100% by volume.
  • the air inflow rate is preferably 50% by volume or more and 80% by volume or less, more preferably 55% by volume or more and 75% by volume or less. These air inflow rates can be achieved, for example, by selecting the number of communication passages 60 per communication passage group from the range of 5 to 50, selecting the diameter of the opening of the communication passage 60 from the range of 0.1 mm to 0.5 mm, and combining these selections.
  • the air inflow ratio can be measured by a method conforming to ISO9512 using a winding quality measuring device (for example, SODIMAX D74/SODIM manufactured by SAS).
  • the decrease in the internal temperature of the cooling unit 20 can be suppressed.
  • the internal temperature of the cooling unit 20 at a temperature higher than 100° C., it is possible to prevent the steam and/or aerosol passing through the cooling unit 20 from being cooled too much.
  • the cross section of the cooling section 20 is substantially circular, and its outer diameter may be changed appropriately according to the size of the stick 1, but is preferably approximately the same as the outer diameter of the first filter 31.
  • This "approximately the same” refers to, for example, the difference between the thickness of the first sheet 21 and the second sheet 22 and the thickness of the wrapping paper 12, the difference within 1 mm from the outer diameter of the flavor source 11, and the difference within 1 mm from the inner diameter of the wrapping paper 12.
  • the above outer diameter is assumed to be a circle having the same area as the area of the cross section, and the outer diameter of that circle is applied.
  • the size of the cooling part 20 in the center line direction can be appropriately changed according to the size of the stick 1, but is usually 5 mm or more, preferably 10 mm or more, and more preferably 15 mm or more. Also, the size of the cooling part 20 in the center line direction is usually 35 mm or less, preferably 30 mm or less, and more preferably 25 mm or less. By setting the size of the cooling section 20 in the center line direction to be equal to or larger than the above-mentioned lower limit, a sufficient cooling effect can be ensured to obtain a good flavor.
  • the size of the cooling section 20 in the center line direction is equal to or smaller than the above-mentioned upper limit, the length of the flow path through which the aerosol reaches the mouth can be minimized, and a decrease in the amount of aerosol released can be suppressed.
  • the cooling unit 20 includes at least any one of aluminum-laminated paper, copper foil, and carbon paper.
  • the second sheet 22 is any one of aluminum-laminated paper, copper foil, and carbon paper. Note that the “aluminum-laminated paper” is a sheet-like material in which aluminum foil and paper are laminated together.
  • the stick 1 is a non-combustion heating type flavor inhalation stick that is heated by the heating device 100 before use, and includes a base member 10 containing a flavor source 11, and a cooling member 20 that cools the vapor and/or aerosol generated when the base member 10 is heated during use.
  • the cooling member 20 includes a first sheet 21 rolled into a cylindrical shape so that the cross section is hollow (hollow), and a second sheet 22 provided inside the first sheet 21. Because the cooling section 20 is a cylindrical member having a double structure consisting of a first sheet 21 and a second sheet 22, when the stick 1 is in use, it is possible to cool the vapor and/or aerosol and maintain the internal temperature at a temperature higher than 100°C.
  • the above configuration is based on the discovery by the inventors, as a result of intensive research, that the temperature of the steam and aerosol affects the filtration rate within the stick 1 of the components generated by heating the base portion 10.
  • the above configuration is based on the discovery by the inventors, as a result of intensive research, that by controlling the internal temperature of the cooling portion 20, it is possible to selectively filter the components generated by heating the base portion 10.
  • it is based on the discovery that by maintaining the internal temperature of the cooling portion 20 at a temperature higher than 100°C, it is possible to suppress the filtration of components that improve the flavor and aroma (e.g., nicotine).
  • FIG. 3 is a diagram showing an example and a comparative example of the flavor inhalation stick 1 according to the first embodiment, where (A) shows a stick 1A according to the example, and (B) shows a stick 1B according to the first comparative example.
  • 4A and 4B are diagrams showing other comparative examples of the flavor inhalation stick 1 according to the first embodiment, where (A) is a diagram showing a stick 1C according to a second comparative example, and (B) is a diagram showing a stick 1D according to a third comparative example.
  • the position of the communication passage 60A in the center line direction is the second side (downstream side) from the center in the cooling section 20A.
  • the communication passage 60A is formed at a location 5 mm in the direction of the first side (upstream side) from the boundary between the cooling section 20A and the filter section 30A.
  • the outer periphery of a tobacco-derived flavor source 11A is covered with a cigarette paper 12A.
  • the stick 1B according to the first comparative example is a flavor inhalation stick similar to the stick 1A according to the embodiment, except that the cooling part 20B does not have a double structure, as shown in Fig. 3(B).
  • the cooling part 20B of the stick 1B is a cylindrical member of a single structure wrapped with a paper sheet 21B so that the cross section is hollow (hollow).
  • the material of the inner wall of the cooling part 20B is paper.
  • the stick 1C according to the second comparative example is a flavor inhalation stick similar to the stick 1A according to the example, except that the position of the communication passage 60C in the center line direction is on the first side (upstream side) from the center of the cooling part 20C, as shown in Fig. 4(A).
  • the communication passage 60C is not formed at a location 5 mm toward the first side from the boundary between the cooling part 20C and the filter part 30C.
  • Thermocouples were attached to the cooling parts 20A and 20B so that the temperature of a predetermined location could be measured when the sticks 1A and 1B were used.
  • a thermocouple was attached to the inner wall of the cooling parts 20A and 20B.
  • the sticks 1A and 1B with the thermocouple attached to the cooling parts 20A and 20B were inserted into the heating device 100, and the substrate parts 10A and 10B were heated.
  • the heating device 100 heated the substrate parts 10A and 10B under heating conditions in which the temperature of the heating part 121 was raised from a non-heated state to 290°C in 30 seconds and then kept constant for 5 minutes.
  • Stick 1A and stick 1B differ in that cooling section 20A is composed of a first sheet 21A of paper and a second sheet 22A of aluminum-laminated paper, while cooling section 20B is composed of a paper sheet 21B, but are identical in that cooling sections 20A and 20B are hollow. Since the substrate parts 10A and 10B heated by the heating device 100 are located on the first side (upstream side) relative to the cooling parts 20A and 20B, the internal temperatures of the cooling parts 20A and 20B decrease the further away from the substrate part 10. In other words, the internal temperatures of the cooling parts 20A and 20B decrease from the first side (upstream side) to the second side (downstream side).
  • the cooling part 20B is composed only of a paper sheet 21B, so the internal temperature of the cooling part 20B decreases to 100° C. or less.
  • the stick 1A has a second sheet 22A of aluminum-laminated paper, so that the second sheet 22A keeps the temperature constant, and thus the internal temperature decrease is suppressed more than in the stick 1B.
  • the cooling section 20A is composed of a first sheet 21A of paper and a second sheet 22A of aluminum-laminated paper, the internal temperature on the second side (downstream side) of the cooling section 20A is maintained at a temperature higher than the exponential approximation curve of the stick 1B.
  • Stick 1A and stick 1C differ in that communicating passage 60A is formed on the second side (downstream side) within cooling section 20A, while communicating passage 60C is formed on the first side (upstream side) within cooling section 20C, but are identical in that cooling sections 20A, 20C have a double structure including aluminum laminated paper.
  • the internal temperature of cooling section 20C at each distance from substrate 10C is not shown, but the internal temperature is lower than that of stick 1A.
  • the relationship between the filtration rate of the components generated by heating the substrate portion 10 and the internal temperature of the cooling portion 20 will be described.
  • the amount of adsorption and the amount of release of various components generated by heating the substrate 10 are measured, and the filtration rate of each component is calculated from the measurement results.
  • the amount of adsorption and the amount of release of nicotine, NNN, and NNK are measured as components generated by heating the substrate 10, and the filtration rate of each component is calculated.
  • the conditions of the smoking test when examining the relationship between the internal temperature of the cooling unit 20 and the filtration rate of each component are as follows.
  • the heating device 100 raises the temperature of the heating unit 121 from a non-heated state to a target temperature in 30 seconds, and then keeps it constant at the target temperature for 5 minutes. After this, automatic smoking is performed using a Borgwald single-stick automatic smoking machine under the conditions of a flow rate of 55 cc/2 seconds and a smoking interval of 30 seconds. The smoking test is carried out with the communication passage 60 open. The aerosol that has passed through the filter unit 30 is collected in a Cambridge pad, and the Cambridge pad is removed after eight puffing operations.
  • the extract is then filtered through a glass fiber filter, and the amounts of NNN and NNK contained in the obtained filtrate are measured using ion chromatography. These measured values are the adsorption or release amounts of NNN and the adsorption or release amounts of NNK.
  • An aqueous acetic acid solution and an acetic acid-methanol solution can be used as the mobile phase.
  • the amount of adsorption of each component is measured by dividing it into the amount P1 adsorbed in a 5 mm-wide area in the center line direction where the average value of the internal temperature of the cooling section 20 corresponds to each temperature, and the amount M adsorbed in the remaining area of the cooling section 20 and the filter section 30.
  • the amount M adsorbed in the remaining area of the cooling section 20 and the filter section 30 may be measured by dividing it into the amount P2 adsorbed in the remaining area of the cooling section 20 and the amount F adsorbed in the filter section 30.
  • the amount F adsorbed in the filter section 30 may be measured by dividing it into the amount F1 adsorbed in the first filter 31 and the amount F2 adsorbed in the second filter 32.
  • the amount of release of each component is the amount of each component released from the stick 1 through the filter section 30, and the amount V of each component adhering to the Cambridge pad after the smoking test is measured.
  • the filtration rate according to the internal temperature is calculated by the formula (1).
  • FIG. 6 is a graph showing the relationship between the internal temperature and the filtration rate of various components, where (A) shows the filtration rate of nicotine, (B) shows the filtration rate of NNN, and (C) shows the filtration rate of NNK. 6 shows the filtration rates of nicotine, NNN, and NNK for each internal temperature of the cooling unit 20B according to the first comparative example.
  • the horizontal axis shows the internal temperature of the cooling unit 20B
  • the vertical axis shows the filtration rates of various components.
  • the inner wall surface of the cooling section 20B according to the first comparative example is made of the same paper as the inner wall surface of the cooling section 20A according to the embodiment.
  • the conditions to which the steam and aerosol passing through the cooling section 20B are exposed differ only in temperature from the conditions to which the steam and aerosol passing through the cooling section 20A are exposed. Therefore, the relationship between the internal temperature of the cooling section 20B and the filtration rate of various components shown in FIG. 6 is similar to the relationship between the internal temperature of the cooling section 20A according to the embodiment and the filtration rate of various components.
  • the nicotine filtration rate shown in FIG. 6(A) was calculated based on the amount of nicotine adsorbed and released measured according to the following method. After the smoking test, a 5 mm-wide area in the center line direction where the average value of the internal temperature corresponds to each temperature was cut out from the cooling section 20B. The cut-out area was subjected to the same fraction extraction method as above, and the amount of nicotine contained in the extract was measured using gas chromatography. The remaining area of the cooling section 20B, the first filter 31B, the second filter 32B, and the Cambridge pad after the smoking test were each subjected to the same fraction extraction method as above, and the amount of nicotine contained in each extract was measured using gas chromatography. The measured amount of nicotine adsorbed and released was then substituted into formula (1) to calculate the nicotine filtration rate for each temperature where the average value of the internal temperature of the cut-out area corresponds.
  • the filtration rate of NNN shown in FIG. 6(B) and the filtration rate of NNK shown in FIG. 6(C) were calculated based on the adsorption amount and release amount measured according to the following method. After the smoking test, a region 5 mm wide in the center line direction where the average value of the internal temperature corresponds to each temperature was cut out from the cooling part 20B. The cut-out region was stirred and extracted in the same manner as above, and the amount of NNN and NNK contained in each extract was measured using ion chromatography.
  • the filtration rate of NNN and the filtration rate of NNK tended to decrease.
  • the filtration rate of NNN was less than 10% when the internal temperature of cooling section 20B was about 200°C, but was less than 5% when the internal temperature of cooling section 20B was about 250°C.
  • the filtration rate of NNK was less than 15% when the internal temperature of cooling section 20B was about 200°C, but was less than 5% when the internal temperature of cooling section 20B was about 250°C. Therefore, it is more preferable that the internal temperature of cooling section 20B is higher than 100°C and not higher than 200°C at the coldest point in cooling section 20B.
  • the coldest point in cooling section 20B is, for example, the point in cooling section 20B that is furthest from substrate section 10B.
  • the conditions of the smoking test when the influence of the configuration of the stick 1 on the delivery of various components was examined are as follows.
  • the heating device 100 raises the temperature of the heating part 121 from a non-heated state to 290°C in 30 seconds, and then keeps it constant at 290°C for 5 minutes, similar to the heating conditions in Fig. 5.
  • automatic smoking is performed using a Borgwald single-puff automatic smoking machine under the conditions of a flow rate of 55cc/2 seconds and a smoking interval of 30 seconds.
  • the smoking test is performed with the communication passage 60 open.
  • the aerosol that has passed through the filter part 30 is collected in a Cambridge pad, and after eight puffing operations, the Cambridge pad is removed.
  • the methods for measuring the adsorption and release amounts of nicotine, and the adsorption and release amounts of NNN and NNK are the same as those described above.
  • the adsorption amounts of various components are measured separately as the amount P adsorbed in the cooling section 20 and the amount F adsorbed in the filter section 30.
  • the amount F adsorbed in the filter section 30 is the sum of the amount F1 adsorbed in the first filter 31 and the amount F2 adsorbed in the second filter 32.
  • the filtration rate by the cooling section 20 is calculated using formula (2).
  • FIG. 8 is a diagram showing the comparison results of the filtration rate of TSNA when the configuration of the cooling unit 20 is changed, where (A) shows the filtration rate of NNN and (B) shows the filtration rate of NNK.
  • Fig. 8(A) shows the filtration rate of NNN by the cooling part 20A of the stick 1A according to the embodiment and the filtration rate of NNN by the cooling part 20B of the stick 1B according to the first comparative example.
  • Fig. 8(B) shows the filtration rate of NNK by the cooling part 20A according to the embodiment and the filtration rate of NNK by the cooling part 20B according to the first comparative example.
  • the NNN filtration rate by the cooling units 20A and 20B shown in Fig. 8(A) was calculated by extracting each measurement subject by stirring in the same manner as above after the smoking test, measuring the amount of NNN contained in each extraction liquid using ion chromatography, and substituting the measured value into formula (2).
  • the NNK filtration rate by the cooling units 20A and 20B shown in Fig. 8(B) was calculated in the same manner as the NNN filtration rate by the cooling units 20A and 20B.
  • the stick 1A and the stick 1B are different in that the internal temperature of the cooling part 20A at a location 14 mm away from the base material part 10A is maintained at about 150° C., while the internal temperature of the cooling part 20B is 150° C.
  • the cooling part 20A When the internal temperature of the cooling part 20 is around 150° C., filtration of NNN and filtration of NNK are promoted, so the cooling part 20A, whose internal temperature is maintained at a temperature higher than 150° C. over a wide range, has a higher filtration rate of NNN and filtration rate of NNK than the cooling part 20B.
  • the stick 1A having the cooling part 20A promotes filtration of NNN and NNK while suppressing filtration of nicotine. In other words, the cooling part 20A of the stick 1A selectively filters various components generated by heating the base material part 10A.
  • FIG. 9 shows the comparative results of the amount of TSNA released when the configuration of the flavor inhalation stick 1 is changed, where (A) shows the amount of NNN released and (B) shows the amount of NNK released.
  • Fig. 9(A) shows the amount of NNN emitted from stick 1A according to the embodiment, the amount of NNN emitted from stick 1B according to the first comparative example, and the amount of NNN emitted from stick 1D according to the third comparative example.
  • Fig. 9(B) shows the amount of NNK emitted from stick 1A according to the embodiment, the amount of NNK emitted from stick 1B according to the first comparative example, and the amount of NNK emitted from stick 1D according to the third comparative example.
  • the amounts of NNN emitted and NNK emitted from sticks 1A, 1B, and 1D are the amounts adhering to the Cambridge pad after the smoking test.
  • the first filter 31A adjacent to the cooling section 20A has a hollow cross section, so that the cooling section 20A dissipates heat more easily than the cooling section 20D. Therefore, the internal temperature of the cooling section 20D becomes higher than the internal temperature of the cooling section 20A, and the filtration rate of TSNA (e.g., NNN, NNK) by the cooling section 20D may become lower than the filtration rate of TSNA by the cooling section 20A.
  • TSNA e.g., NNN, NNK
  • the stick 1 is inserted into the holding part 140 of the heating device 100. After the temperature of the base material part 10 heated by the heating part 121 reaches a predetermined temperature, the user inhales and generates an aerosol. When the user inhales, the vapor and aerosol are cooled in the cooling part 20.
  • the cooling in the cooling part 20 means cooling the vapor to a degree that liquefies the vapor and generates an aerosol, and cooling the aerosol so that the aerosol delivered to the mouth has an appropriate temperature.
  • the internal temperature of the cooling part 20 is maintained at a temperature higher than 100° C.
  • the filtration of nicotine which is a component that improves the flavor and aroma, is suppressed. According to the stick 1, it is possible to selectively suppress filtration of components that are generated by heating. In other words, according to the stick 1, it is possible to selectively filter out components that are generated by heating.
  • the cooling unit 20 preferably maintains the internal temperature during use at a temperature higher than 100° C. and lower than 200° C. at the coldest point within the cooling unit 20 .
  • the filtration rate of NNN and the filtration rate of NNK were maximum when the internal temperature of the cooling section 20 was about 150° C.
  • the cooling section 20 preferably includes at least one of aluminum laminated paper, copper foil, and carbon paper.
  • a communication passage 60 that connects the outside and the inside is formed downstream of the center of the cooling section 20 in the longitudinal direction of the region in which the cooling section 20 is disposed. If the cooling unit 20 does not have a communication passage 60, air does not flow from the outside into the cooling unit 20 during suction, and there is a risk that the steam or aerosol flowing in from the base member 10 will not be sufficiently cooled. In the present embodiment, the communication passage 60 for the flow of outside air is provided, and therefore the cooling of the steam or aerosol can be promoted.
  • the stick 1 is not limited to a configuration including tipping paper 40 wrapped around the entire outer periphery of the cooling section 20.
  • the stick 1 may include two pieces of tipping paper 40 wrapped separately around the outer periphery of the boundary between the base section 10 and the cooling section 20, and the outer periphery of the boundary between the cooling section 20 and the filter section 30.
  • FIG. 10 is a diagram showing a vertical cross section of the flavor inhalation stick 2 according to the second embodiment.
  • the stick 2 according to the second embodiment is different from the stick 1 according to the first embodiment in that it has a cooling unit 220 that corresponds to the cooling unit 20.
  • the differences from the first embodiment will be described below.
  • the same reference numerals are used for the same parts in the first and second embodiments, and detailed descriptions thereof will be omitted.
  • the cooling section 220 differs from the cooling section 20 according to the first embodiment (see FIG. 1) in that the second sheet 222 is provided only on a part of the inside of the first sheet 221.
  • the cooling section 220 has the first sheet 221 rolled into a cylindrical shape so that the cross section is hollow (hollow), and the second sheet 222 provided on the inside of the first sheet 221.
  • the second sheet 222 is provided on the inside of the first sheet 221, on the second side (downstream side) within the cooling section 220. It can be exemplified that the materials constituting the first sheet 221 and the second sheet 222 are the same as the materials constituting the first sheet 21 and the second sheet 22 according to the first embodiment, respectively.
  • FIG. 11 is a view showing a vertical cross section of a flavor inhalation stick 3 according to the third embodiment.
  • the stick 3 according to the third embodiment is different from the stick 1 according to the first embodiment in that it has a cooling unit 320 that corresponds to the cooling unit 20.
  • the differences from the first embodiment will be described below.
  • the same reference numerals are used for the same parts in the first and third embodiments, and detailed descriptions thereof will be omitted.
  • the cooling unit 320 differs from the cooling unit 20 according to the first embodiment (see FIG. 1) in that it has a single-layer structure.
  • the cooling unit 320 has a sheet 321 rolled into a cylindrical shape so that the cross section is hollow (hollow).
  • the cooling section 320 is a section that cools the vapor and/or aerosol generated by heating the base section 10 and maintains the internal temperature at a temperature higher than 100° C. when the stick 3 is in use.
  • the cooling section 320 is a section that cools the vapor and/or aerosol generated by heating the base section 10 while maintaining the internal temperature at a temperature higher than 100° C. when the stick 3 is in use.
  • the stick 3 is a non-combustion heating type flavor inhalation stick that is heated by the heating device 100 before use, and includes a base portion 10 containing a flavor source 11, and a cooling portion 320 that cools the vapor and/or aerosol generated by heating the base portion 10 during use and maintains the internal temperature at a temperature higher than 100°C.
  • stick 3 allows selective filtering of components that are generated by heating.
  • At least the downstream outer periphery of the flavor source contained in the base material may be covered with at least one of aluminum-laminated paper, copper foil, and carbon paper.
  • the temperature of the steam and/or aerosol when it flows into the cooling section may become higher.
  • the cooling section does not have to be made of a cylindrical member.
  • the flavor inhalation stick includes a substrate, a cooling section, a filter section through which the aerosol passes, and an exterior member that covers the outer circumferential surfaces of the substrate and the filter.
  • the cooling section may be a space surrounded by the downstream surface of the substrate, the upstream surface of the filter, and the exterior member.
  • the exterior member is made of at least aluminum-laminated paper, copper foil, or carbon paper.
  • the cooling section is made of a cylindrical member
  • the volume is smaller than the space formed between the substrate and the filter by the exterior member. It is possible to maximize the cross-sectional diameter of the cooling section through which the vapor and aerosol pass, and to suppress the reduction in the amount of components (e.g., nicotine) generated by heating due to the cooling section.
  • the flavor inhalation stick is a non-combustion heating type flavor inhalation stick that is inserted into a heating device for use, and may include a base portion having a flavor source and a heating member for heating the flavor source, and a cooling portion that cools the vapor and/or aerosol generated by heating the base portion during use and maintains the internal temperature at a temperature higher than 100°C.
  • the heating device When the heating device generates a fluctuating electromagnetic field, eddy currents are generated in the heating member located within the fluctuating electromagnetic field, and as a result, the heating member is heated. The heated heating member heats the flavor source.
  • the present disclosure includes the following configurations.
  • a non-combustion heating type flavor inhalation stick that is heated by a heating device when used, the flavor inhalation stick comprising: a base portion containing a flavor source; and a cooling portion that, during use, cools the vapor and/or aerosol generated when the base portion is heated and maintains the internal temperature at a temperature higher than 100°C.
  • a flavor inhalation system comprising: a flavor inhalation stick according to any one of (1) to (7); and a heating device for heating the flavor inhalation stick.
  • 1...Flavor inhalation stick 10...Base material, 11...Flavor source, 12...Wrapping paper, 20...Cooling section, 21...First sheet, 22...Second sheet, 30...Filter section, 31...First filter, 32...Second filter, 40...Tipping paper, 60...Connecting passage, 100...Heating device

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

Ce bâtonnet (1) est un bâtonnet de type à chauffage sans combustion qui est destiné à l'inhalation d'arôme et utilisé tout en étant chauffé par un dispositif de chauffage, le bâtonnet (1) comprenant : une partie de matériau de base (10) qui comprend une source d'arôme (11) ; et une partie de refroidissement (20) qui refroidit la vapeur et/ou l'aérosol généré par chauffage de la partie de matériau de base (10) lors de l'utilisation, et maintient une température interne à une température supérieure à 100 °C.
PCT/JP2024/000243 2024-01-10 2024-01-10 Bâtonnet pour inhalation d'arôme, et système d'inhalation d'arôme Pending WO2025150110A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2024/000243 WO2025150110A1 (fr) 2024-01-10 2024-01-10 Bâtonnet pour inhalation d'arôme, et système d'inhalation d'arôme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2024/000243 WO2025150110A1 (fr) 2024-01-10 2024-01-10 Bâtonnet pour inhalation d'arôme, et système d'inhalation d'arôme

Publications (1)

Publication Number Publication Date
WO2025150110A1 true WO2025150110A1 (fr) 2025-07-17

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PCT/JP2024/000243 Pending WO2025150110A1 (fr) 2024-01-10 2024-01-10 Bâtonnet pour inhalation d'arôme, et système d'inhalation d'arôme

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Country Link
WO (1) WO2025150110A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019525725A (ja) * 2016-05-31 2019-09-12 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 加熱式エアロゾル発生物品を備えるエアロゾル発生システム
CN114766717A (zh) * 2022-04-15 2022-07-22 河南中烟工业有限责任公司 一种具有降温段的加热卷烟烟支
WO2022230865A1 (fr) * 2021-04-27 2022-11-03 日本たばこ産業株式会社 Feuille de tabac pour inhalateur d'arôme de type à chauffage sans combustion, inhalateur d'arôme de type à chauffage sans combustion, et système d'inhalation d'arôme de type à chauffage sans combustion

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019525725A (ja) * 2016-05-31 2019-09-12 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 加熱式エアロゾル発生物品を備えるエアロゾル発生システム
WO2022230865A1 (fr) * 2021-04-27 2022-11-03 日本たばこ産業株式会社 Feuille de tabac pour inhalateur d'arôme de type à chauffage sans combustion, inhalateur d'arôme de type à chauffage sans combustion, et système d'inhalation d'arôme de type à chauffage sans combustion
CN114766717A (zh) * 2022-04-15 2022-07-22 河南中烟工业有限责任公司 一种具有降温段的加热卷烟烟支

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