WO2023112130A1 - Procédé de production d'unité d'atomisation - Google Patents

Procédé de production d'unité d'atomisation Download PDF

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Publication number
WO2023112130A1
WO2023112130A1 PCT/JP2021/045994 JP2021045994W WO2023112130A1 WO 2023112130 A1 WO2023112130 A1 WO 2023112130A1 JP 2021045994 W JP2021045994 W JP 2021045994W WO 2023112130 A1 WO2023112130 A1 WO 2023112130A1
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WIPO (PCT)
Prior art keywords
nicotine
tobacco
liquid
manufacturing
atomization unit
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PCT/JP2021/045994
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English (en)
Japanese (ja)
Inventor
光史 松本
雄史 新川
勝太 山口
Original Assignee
日本たばこ産業株式会社
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Application filed by 日本たばこ産業株式会社 filed Critical 日本たばこ産業株式会社
Priority to PCT/JP2021/045994 priority Critical patent/WO2023112130A1/fr
Publication of WO2023112130A1 publication Critical patent/WO2023112130A1/fr

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    • 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
    • A24F40/10—Devices using liquid inhalable precursors
    • 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
    • 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
    • A24F40/70—Manufacture

Definitions

  • the present invention relates to a method for manufacturing an atomizing unit.
  • a non-combustion heating type suction tool there is a liquid storage part that stores a predetermined liquid, and an electric load that introduces the liquid in the liquid storage part and atomizes the introduced liquid to generate an aerosol. and , wherein powder of tobacco leaves is dispersed in the liquid of the liquid container (see, for example, Patent Document 1).
  • Patent Document 2 discloses a basic configuration of a non-combustion heating suction tool.
  • Patent Document 3 discloses information on tobacco leaf extracts.
  • Non-Patent Document 1 discloses a technique related to nicotine.
  • the present invention has been made in view of the above, and one of the objects thereof is to provide a technique capable of suppressing deterioration of the load of the suction tool.
  • a method for manufacturing an atomizing unit includes an attaching step of attaching a nicotine-containing liquid containing at least one of natural nicotine and synthetic nicotine to an inner surface of a wall defining a liquid containing portion. and a step of accommodating the tobacco molded body in the liquid accommodating portion after the adhering step.
  • the tobacco compact formed into a predetermined shape by solidifying the tobacco leaves is arranged inside the liquid containing portion, it is possible to prevent the tobacco leaves from adhering to the load of the atomization unit. can be done. Further, by adhering the nicotine-containing liquid to the inner surface of the wall of the liquid container, when the aerosol source is accommodated in the liquid container, the nicotine-containing liquid adhering to the inner surface of the wall is added to the aerosol source to provide the flavor. can be adjusted.
  • the method of manufacturing an atomizing unit may include a step of closing the liquid containing portion with a lid after the adhering step.
  • the attaching step may include attaching the nicotine-containing liquid to the inner surface of the lid.
  • the lid since the lid can be separated from the liquid storage part, the nicotine-containing liquid can be easily adhered to the inner surface of the wall (lid).
  • the applying step may include applying the nicotine-containing liquid to the wall.
  • the nicotine-containing liquid can be uniformly adhered to the wall, the amount of the nicotine-containing liquid to be adhered to the wall can be easily adjusted.
  • the adhering step may include spraying the nicotine-containing liquid onto the wall.
  • the nicotine-containing liquid can be easily adhered to the wall.
  • the method for manufacturing an atomizing unit may include the step of accommodating an aerosol source in the liquid accommodating portion after the adhering step.
  • the extract adhering to the inner surface of the wall is added to the aerosol source, and the flavor can be adjusted.
  • the method of manufacturing an atomizing unit may include mixing the aerosol source and the nicotine-containing liquid within the liquid containing portion.
  • the aerosol source containing the nicotine-containing liquid is formed in the liquid containing portion, it is possible to provide the user with the aerosol containing the flavor component of tobacco leaves.
  • the method for manufacturing an atomizing unit comprises: an extraction step of extracting flavor components from the tobacco leaves; and a molding step of hardening and molding into a predetermined shape to produce the tobacco molded body.
  • the atomization unit can be manufactured while effectively using the tobacco residue as a material for the tobacco molded product.
  • FIG. 1 is a perspective view schematically showing the appearance of a suction tool according to Embodiment 1.
  • FIG. 3 is a schematic cross-sectional view showing the main part of the atomization unit of the suction tool according to Embodiment 1;
  • FIG. 3 is a diagram schematically showing a cross section taken along line A1-A1 of FIG. 2;
  • 1 is a schematic perspective view of a tobacco molded article according to Embodiment 1.
  • FIG. FIG. 4 is a diagram showing the results of measuring the TPM reduction rate with respect to the amount of carbonized component contained in 1 g of the aerosol source according to the embodiment;
  • FIG. 10 is a flowchart for explaining a manufacturing method according to Embodiment 2;
  • FIG. 1 is a perspective view schematically showing the appearance of a suction tool 10 according to this embodiment.
  • the suction tool 10 according to the present embodiment is a non-combustion heating suction tool, specifically, a non-combustion heating electronic cigarette.
  • the suction tool 10 extends in the direction of the central axis CL of the suction tool 10 .
  • the suction tool 10 has a “longitudinal direction (the direction of the central axis CL),” a “width direction” perpendicular to the longitudinal direction, and a “thickness direction” perpendicular to the longitudinal direction and the width direction. , and has an external shape.
  • the dimensions of the suction tool 10 in the longitudinal direction, width direction, and thickness direction decrease in this order.
  • the Z-axis direction corresponds to the longitudinal direction
  • the X-axis direction corresponds to It corresponds to the width direction
  • the Y-axis direction corresponds to the thickness direction.
  • the suction tool 10 has a power supply unit 11 and an atomization unit 12.
  • the power supply unit 11 is detachably connected to the atomization unit 12 .
  • a battery as a power supply, a control device, and the like are arranged inside the power supply unit 11.
  • the atomization unit 12 is connected to the power supply unit 11, the power supply of the power supply unit 11 and the load 40 of the atomization unit 12, which will be described later, are electrically connected.
  • the atomization unit 12 is provided with a discharge port 13 for discharging air (that is, air). Air containing aerosol is discharged from this discharge port 13 .
  • air that is, air
  • the user of the suction tool 10 can suck the air discharged from the discharge port 13 .
  • the power supply unit 11 is provided with a sensor that outputs the value of the pressure change inside the suction tool 10 caused by the user's suction through the discharge port 13 .
  • the sensor senses the start of sucking air and notifies the control device, which starts energizing the load 40 of the atomization unit 12, which will be described later. Further, when the user finishes sucking air, the sensor senses the finish of sucking air and informs the control device, and the control device stops energizing the load 40 .
  • the power supply unit 11 may be provided with an operation switch for transmitting an air suction start request and an air suction end request to the control device by user's operation.
  • the user can operate the operation switch to transmit an air suction start request or a suction end request to the control device.
  • the control device Upon receiving the air suction start request and suction end request, the control device starts and terminates energization of the load 40 .
  • the configuration of the power supply unit 11 as described above is the same as that of the power supply unit of a known suction device as exemplified in Patent Document 2, for example, so further detailed description will be omitted.
  • FIG. 2 is a schematic cross-sectional view showing the main part of the atomization unit 12 of the suction tool 10.
  • FIG. 2 schematically shows a cross section of the main part of the atomization unit 12 taken along a plane including the central axis CL.
  • FIG. 3 is a diagram schematically showing a cross section along line A1-A1 of FIG. 2 (that is, a cross section taken along a plane normal to the center axis CL).
  • the atomization unit 12 will be described with reference to FIGS. 2 and 3.
  • the atomization unit 12 includes a plurality of walls (walls 70a to 70g) extending in the longitudinal direction (the direction of the central axis CL), and a plurality of walls (walls 71a to 70g) extending in the width direction. ⁇ wall portion 71c).
  • the atomization unit 12 also includes an air passage 20 , a wick 30 , an electrical load 40 , a liquid storage section 50 and a tobacco compact 60 .
  • the air passage 20 is a passage through which air passes when the user inhales air (that is, inhales aerosol).
  • the air passage 20 according to this embodiment includes an upstream passage portion, a load passage portion 22 and a downstream passage portion 23 .
  • the upstream passage portion according to the present embodiment includes, as an example, a plurality of upstream passage portions, specifically, an upstream passage portion 21a and an upstream passage portion 21b.
  • the upstream passage portions 21a and 21b are arranged upstream of the load passage portion 22 (upstream in the direction of air flow). Downstream end portions of the upstream passage portions 21 a and 21 b communicate with the load passage portion 22 .
  • the load passage portion 22 is a passage portion in which the load 40 is arranged.
  • the downstream passage portion 23 is a passage portion arranged on the downstream side (downstream side in the air flow direction) of the load passage portion 22 .
  • An upstream end portion of the downstream passage portion 23 communicates with the load passage portion 22 .
  • a downstream end of the downstream passage portion 23 communicates with the discharge port 13 described above. Air that has passed through the downstream passage portion 23 is discharged from the discharge port 13 .
  • the upstream passage portion 21a is provided in a region surrounded by the wall portion 70a, the wall portion 70b, the wall portion 70e, the wall portion 70f, the wall portion 71a, and the wall portion 71b.
  • the upstream passage portion 21b is provided in a region surrounded by the wall portion 70c, the wall portion 70d, the wall portion 70e, the wall portion 70f, the wall portion 71a, and the wall portion 71b.
  • the load passage portion 22 is provided in a region surrounded by the wall portion 70a, the wall portion 70d, the wall portion 70e, the wall portion 70f, the wall portion 71b, and the wall portion 71c.
  • the downstream passage portion 23 is provided in a region surrounded by the tubular wall portion 70g.
  • a hole 72a and a hole 72b are provided in the wall portion 71a. Air flows into the upstream passage portion 21a through the hole 72a, and flows into the upstream passage portion 21b through the hole 72b. Further, holes 72c and 72d are provided in the wall portion 71b. Air passing through the upstream passage portion 21a flows into the load passage portion 22 through the hole 72c, and air passing through the upstream passage portion 21b flows into the load passage portion 22 through the hole 72d.
  • the direction of air flow in the upstream passage portions 21 a and 21 b is opposite to the direction of air flow in the downstream passage portion 23 .
  • the direction of air flow in the upstream passage portions 21a and 21b is the -Z direction
  • the direction of air flow in the downstream passage portion 23 is the Z direction.
  • the upstream passage portion 21a and the upstream passage portion 21b according to the present embodiment sandwich the liquid storage portion 50 between the upstream passage portion 21a and the upstream passage portion 21b. As shown in FIG.
  • the upstream passage portion 21a is a cross-sectional view cut along a cut plane normal to the central axis CL, and the liquid storage portion 50 is sandwiched between the upstream passage portions 21a. side (-X direction side).
  • the upstream passage portion 21b is arranged on the other side (the side in the X direction) across the liquid storage portion 50 in this cross-sectional view.
  • the upstream passage portion 21 a is arranged on one side of the liquid containing portion 50 in the width direction of the suction tool 10
  • the upstream passage portion 21 b is arranged on the side of the liquid containing portion 50 in the width direction of the suction tool 10 . located on the other side.
  • the wick 30 is a member for introducing the aerosol source of the liquid containing portion 50 to the load 40 of the load passage portion 22, and can be arranged so as to partially communicate with the liquid containing portion.
  • the specific configuration of the wick 30 is not particularly limited as long as it has such a function. Fifty aerosol sources are introduced into load 40 .
  • the load 40 is an electrical load for introducing the aerosol source of the liquid containing portion 50 and atomizing the introduced aerosol source to generate aerosol.
  • a specific configuration of the load 40 is not particularly limited, and for example, a heating element such as a heater or an element such as an ultrasonic generator can be used.
  • a heater is used as an example of the load 40 .
  • a heating resistor that is, a heating wire
  • a ceramic heater a ceramic heater, a dielectric heating type heater, or the like
  • a heating resistor is used as an example of this heater.
  • the heater as the load 40 has a coil shape. That is, the load 40 according to this embodiment is a so-called coil heater. This coil heater is wound around a wick 30 .
  • the load 40 is arranged in the wick 30 portion inside the load passage portion 22 as an example.
  • the load 40 is electrically connected to the power supply and the control device of the power supply unit 11 described above, and heats up when electricity from the power supply is supplied to the load 40 (that is, heats up when energized). Also, the operation of the load 40 is controlled by a control device.
  • the load 40 heats the aerosol source of the liquid containing portion 50 introduced into the load 40 via the wick 30 to atomize and generate aerosol.
  • the configurations of the wick 30 and the load 40 are the same as the wick and the load used in a known suction tool as exemplified in Patent Document 2, for example, so further detailed description will be omitted.
  • the liquid storage part 50 is a part for storing the aerosol source (Le).
  • the liquid storage portion 50 according to this embodiment is provided in a region surrounded by the wall portion 70b, the wall portion 70c, the wall portion 70e, the wall portion 70f, the wall portion 71a, and the wall portion 71b. Further, in the present embodiment, the downstream passage portion 23 described above is provided so as to penetrate the liquid storage portion 50 in the direction of the central axis CL.
  • the user may be provided with the aerosol source contained in the liquid container 50, or the user may be provided with the aerosol source not contained in the liquid container 50 so that the user can use the aerosol source. It is good also as a structure which introduces and uses.
  • the aerosol source is, for example, one substance selected from the group consisting of glycerin, propylene glycol, triacetin, 1,3-butanediol, and water, or a substance selected from this group.
  • a liquid containing two or more substances can be used.
  • glycerin and propylene glycol are used as an example of an aerosol source.
  • the inner surfaces of the walls 70b, 70c, 70e, 70f, 70g, 71a, and 71b defining the liquid storage section 50 are coated with the nicotine-containing liquid Ni containing at least one of natural nicotine and synthetic nicotine. is preferred.
  • the nicotine-containing liquid Ni adheres to the inner surfaces of the walls 70b, 70c, 70e, 70f, 70g, and 71a.
  • the nicotine-containing liquid Ni may adhere to the inner surfaces of any of the walls 70b, 70c, 70e, 70f, 70g, 71a, and 71b that define the liquid storage section 50 without being limited to this.
  • the nicotine-containing liquid may be provided in the form of nicotine salts.
  • the tobacco leaf extract is purified to remove components other than natural nicotine from the tobacco leaf extract as much as possible, thereby increasing the purity of natural nicotine. and natural nicotine with this increased purity may be used.
  • the purity of the natural nicotine contained in the predetermined solvent of the nicotine-containing liquid Ni may be 99.9 wt% or higher (that is, in this case, the impurities contained in the natural nicotine (natural components other than nicotine) is less than 0.1 wt%).
  • the synthetic nicotine when synthetic nicotine is used as the nicotine contained in the nicotine-containing liquid Ni, nicotine produced by chemical synthesis using chemical substances can be used as the synthetic nicotine.
  • the purity of this synthetic nicotine may also be 99.9 wt% or more, like natural nicotine.
  • the method for producing synthetic nicotine is not particularly limited, and known production methods can be used.
  • the ratio (% by weight (wt%)) of at least one of natural nicotine and synthetic nicotine contained in the nicotine-containing liquid is not particularly limited, but is, for example, in the range of 0.1 wt% or more and 7.5 wt% or less. A selected value can be used.
  • the manufacturing cost of the inhaler 10 is generally lower when natural nicotine is used than when synthetic nicotine is used. can be made cheaper.
  • the nicotine contained in the aerosol liquid Le may be Alternatively, it is preferable to use synthetic nicotine instead of natural nicotine.
  • the wall portion 71a may be detachably attached to the wall portions 70a, 70b, 70c, 70d, 70e, 70f, and 70g.
  • the wall portion 71 a functions as a lid for closing the liquid storage portion 50 .
  • the nicotine-containing liquid Ni also adheres to the inner surface of the wall portion 71a that functions as a lid.
  • the nicotine-containing liquid Ni adhering to the inner surfaces of the walls 70b, 70c, 70e, 70f, 70g, 71a, and 71b for convenience of explanation.
  • the nicotine-containing liquid Ni is mixed with the aerosol source over time, and the nicotine-containing liquid Ni does not remain on the inner surfaces of the walls 70b, 70c, 70e, 70f, 70g, 71a, 71b.
  • FIG. 4 is a schematic perspective view of the tobacco molded body 60.
  • tobacco molded body 60 is formed by compacting tobacco leaves into a predetermined shape.
  • two tobacco molded bodies 60 according to this embodiment are arranged inside the aerosol source of the liquid containing portion 50 .
  • the number of tobacco molded bodies 60 is not limited to this, and may be one or three or more.
  • the shape of the tobacco molded body 60 is not particularly limited. It may be a shape having sides), or it may be a sheet shape, or other shapes.
  • the shape of the tobacco molded body 60 according to this embodiment is, for example, a rod shape.
  • the rod-shaped tobacco molded body 60 according to this embodiment has, as an example, a rod-shaped polyhedral shape, and as an example, has a cylindrical shape with a circular cross section.
  • the cross-sectional shape of the tobacco molded body 60 is not limited to a circular shape, and other examples include polygonal shapes (triangles, quadrilaterals, pentagons, or polygons having 6 or more corners). There may be.
  • the tobacco molded body 60 when the tobacco molded body 60 is in the form of a sheet, specifically, the tobacco molded body 60 may be a sheet made of tobacco leaves, a cast sheet of tobacco leaves, a rolled sheet of tobacco leaves, or the like. can.
  • the specific values of the width (that is, the outer diameter) (W), which is the length in the transverse direction of the tobacco molded body 60, and the total length (L), which is the length in the longitudinal direction of the tobacco molded body 60 are: Although not particularly limited, an example of numerical values is as follows. That is, as the width (W) of the tobacco molded body 60, a value selected from a range of, for example, 2 mm or more and 20 mm or less can be used. As the total length (L) of the tobacco molded body 60, for example, a value selected from the range of 5 mm or more and 50 mm or less can be used.
  • these values are merely examples of the width (W) and the total length (L) of the tobacco molded body 60, and the width (W) and the total length (L) of the tobacco molded body 60 are determined according to the size of the suction device 10. A suitable value may be set.
  • the density (mass per unit volume) of the tobacco molded body 60 is, for example, 1100 mg/cm 3 or more and 1450 mg/cm 3 or less.
  • the density of the tobacco molded body 60 is not limited to this, and may be less than 1100 mg/cm 3 or greater than 1450 mg/cm 3 .
  • a nicotine-containing liquid Ni may be adhered to the surface of the tobacco molded body 60 .
  • the nicotine-containing liquid Ni is added to the aerosol source, and the flavor can be adjusted. Since the tobacco molded body 60 can be separated from the liquid containing portion 50, the nicotine-containing liquid Ni can be adhered more easily than the nicotine-containing liquid Ni is adhered to the inner surface of the wall (lid) of the liquid containing portion 50. .
  • the suction using the suction tool 10 is performed as follows. First, when the user starts sucking air, the air passes through the upstream passage portions 21 a and 21 b of the air passage 20 and flows into the load passage portion 22 . Aerosol generated in the load 40 is added to the air that has flowed into the load passage portion 22 . This aerosol contains the flavor component contained in the tobacco leaf extract Ex and the flavor component eluted from the tobacco molded body 60 placed in the aerosol source. The aerosol-added air passes through the downstream passage portion 23 and is discharged from the discharge port 13 to be sucked by the user.
  • the aerosol generated by the load 40 contains the flavor components of the tobacco leaves contained in the tobacco compact 60 in addition to the flavor components contained in the nicotine-containing liquid Ni. can be added. This makes it possible to fully enjoy the flavor of tobacco leaves.
  • the tobacco shaped bodies 60 are arranged inside the aerosol source of the liquid container 50, and the tobacco shaped bodies 60 and the electrical load 40 of the suction tool 10 are connected. Since they are physically separated, it is possible to prevent tobacco leaves from adhering to the load 40 of the suction device 10 . Thereby, deterioration of the load 40 of the suction tool 10 can be suppressed. Further, by adhering the nicotine-containing liquid Ni to the inner surface of the wall portion of the liquid containing portion 50, when the aerosol source is accommodated in the liquid containing portion 50, the nicotine-containing liquid Ni adhering to the inner surface of the wall portion becomes an aerosol. It can be added to the source to adjust the flavor.
  • the amount (mg) of the carbonized component contained in 1 g of the aerosol source in which the tobacco molded bodies 60 are arranged is preferably 6 mg or less, more preferably 3 mg or less.
  • the "carbonized component contained in the aerosol source in which the tobacco molded bodies 60 are arranged” specifically means the amount of carbonized components contained in the aerosol source before the tobacco molded bodies 60 are arranged. and the amount of carbonized components eluted into the aerosol source from the tobacco molded article 60 placed in the aerosol source.
  • carbonized component refers to a component that becomes a carbide when heated to 250°C.
  • carbonized component refers to a component that does not form a carbide at a temperature of less than 250°C, but that forms a carbide when the temperature is maintained at 250°C for a predetermined period of time.
  • the “amount (mg) of the carbonized component contained in 1 g of the aerosol source in which the tobacco molded bodies 60 are arranged” can be measured, for example, by the following method. First, a predetermined amount (g) of an aerosol source in which tobacco molded bodies 60 are arranged is prepared. Next, this aerosol source is heated to 180° C. to volatilize the solvent (liquid component) contained in the aerosol source, thereby obtaining a “residue composed of non-volatile components”. The residue is then heated to 250° C. to carbonize the residue to obtain a carbide. The amount (mg) of this carbide is then measured. By the above method, the amount (mg) of carbide contained in a predetermined amount (g) of aerosol source can be measured. The amount (mg) of the component can be calculated.
  • FIG. 5 is a diagram showing the results of measuring the TPM reduction rate with respect to the amount of carbonized component contained in 1 g of the aerosol source.
  • the horizontal axis of FIG. 5 indicates the amount of carbonized components contained in 1 g of the aerosol source, and the vertical axis indicates the TPM reduction rate (R TPM ) (%).
  • the TPM reduction rate (R TPM : %) in FIG. 5 was measured by the following method. First, a plurality of samples of suction tools having different amounts of carbonized components contained in 1 g of the aerosol source were prepared. Specifically, five samples (sample SA1 to sample SA5) were prepared as samples of the plurality of suction tools. These five samples were prepared by the following steps.
  • Step 1 20 (wt%) of potassium carbonate in terms of dry weight was added to tobacco raw material composed of tobacco leaves, and then heat distillation treatment was performed.
  • the distillation residue after the heat distillation treatment is immersed in water of 15 times the weight of the tobacco raw material before the heat distillation treatment for 10 minutes, dehydrated with a dehydrator, and then dried with a dryer to obtain tobacco. A residue was obtained.
  • Step 2 Next, a portion of the tobacco residue obtained in step 1 was washed with water to prepare a tobacco residue containing a small amount of charcoal.
  • Step 3 25 g of an immersion liquid (propylene glycol 47.5 wt%, glycerin 47.5 wt%, water 5 wt%) as an aerosol source was added to 5 g of the tobacco residue obtained in step 2, and the temperature of the immersion liquid was set to 60. °C and allowed to stand. By varying the standing time (that is, the immersion time in the immersion liquid), the amount of carbonized component eluted into the immersion liquid (aerosol source) was varied.
  • an immersion liquid propylene glycol 47.5 wt%, glycerin 47.5 wt%, water 5 wt%
  • the CRM 81 smoking condition is a condition in which 55 cc of aerosol is inhaled over 3 seconds, and is performed multiple times every 30 seconds.
  • the amount of total particulate matter collected by the Cambridge filter of the automatic smoking machine was then measured. Based on the measured amount of total particulate matter, the TPM reduction rate (R TPM ) was calculated using the following formula (1).
  • the TPM reduction rate (R TPM ) in FIG. 5 was measured by the above method.
  • R TPM (%) (1-TPM (201 puff to 250 puff) / TPM (1 puff to 50 puff)) x 100 (1)
  • TPM Total Particle Molecule
  • TPM (1 puff to 50 puff) indicates the amount of total particulate matter collected by the Cambridge filter from the 1st puff to the 50th puff of the automatic smoking machine.
  • TPM (201 puff to 250 puff) indicates the amount of total particulate matter captured by the Cambridge filter from the 201st puff to the 250th puff of the automatic smoking machine.
  • the TPM reduction rate (R TPM ) in Equation (1) is defined as "the amount of total particulate matter collected by the Cambridge filter from the 201st puff to the 250th puff of the automatic smoking machine. 1 minus the value obtained by dividing by the amount of total particulate matter collected by the Cambridge filter from the 1st puff to the 50th puff, and multiplied by 100.
  • Embodiment 2 is an embodiment of a manufacturing method of the atomization unit 12 of the suction tool 10 .
  • FIG. 6 is a flowchart for explaining the manufacturing method of the atomization unit 12 according to this embodiment.
  • step S10 flavor components are extracted from tobacco leaves.
  • the specific method of step S10 is not particularly limited, for example, the following method can be used.
  • an alkaline substance is applied to tobacco leaves (referred to as alkaline treatment).
  • a basic substance such as an aqueous solution of potassium carbonate can be used.
  • the alkali-treated tobacco leaves are heated at a predetermined temperature (for example, a temperature of 80°C or more and less than 150°C) (referred to as heat treatment). Then, during this heat treatment, for example, one substance selected from the group consisting of glycerin, propylene glycol, triacetin, 1,3-butanediol, and water, or a substance selected from this group Two or more substances are brought into contact with tobacco leaves.
  • a predetermined temperature for example, a temperature of 80°C or more and less than 150°C
  • heat treatment for example, one substance selected from the group consisting of glycerin, propylene glycol, triacetin, 1,3-butanediol, and water, or a substance selected from this group Two or more substances are brought into contact with tobacco leaves.
  • flavor components are included here
  • the collection solvent for example, one substance selected from the group consisting of glycerin, propylene glycol, triacetin, 1,3-butanediol, and water, or two types selected from this group The above substances can be used.
  • a collection solvent containing flavor components can be obtained (that is, flavor components can be extracted from tobacco leaves).
  • step S10 can be configured without using the collection solvent as described above. Specifically, in this case, after subjecting the alkali-treated tobacco leaves to the above-described heat treatment, the components released from the tobacco leaves into the gas phase are cooled using a condenser or the like. can be condensed to extract flavor components.
  • step S10 may be configured without the alkali treatment as described above.
  • tobacco leaves tobacco leaves that have not been subjected to alkali treatment
  • glycerin glycerin
  • propylene glycol glycerin
  • triacetin 1,3-butanediol
  • water glycerin
  • triacetin 1,3-butanediol
  • water water
  • a selected substance or two or more substances selected from this group are added.
  • the tobacco leaves to which this has been added are heated, and the components released during this heating are collected in a collection solvent or condensed using a condenser or the like.
  • Tobacco leaves (tobacco leaves that have not been subjected to alkali treatment) are treated with a sufficient amount of a solvent such as glycerin, propylene glycol, triacetin, 1,3-butanediol, and one selected from the group consisting of water. It may be added to the substance, or two or more substances selected from this group, to dissolve tobacco leaf components into the solvent. Flavor components can also be extracted by such a process.
  • a solvent such as glycerin, propylene glycol, triacetin, 1,3-butanediol, and one selected from the group consisting of water. It may be added to the substance, or two or more substances selected from this group, to dissolve tobacco leaf components into the solvent. Flavor components can also be extracted by such a process.
  • step S10 an aerosol in which one substance selected from the group consisting of glycerin, propylene glycol, triacetin, 1,3-butanediol, and water is aerosolized, or an aerosol selected from this group
  • Tobacco leaves tobacco leaves that have not been subjected to alkali treatment
  • the aerosol that has passed through the tobacco leaves is collected by a collection solvent.
  • Flavor components can also be extracted by such a process.
  • step S10 extraction step
  • step S10 reduces "the amount of carbonized components that become carbonized when heated to 250 ° C.” contained in the flavor components extracted by the above-described method. It may further include According to this configuration, it is possible to effectively suppress adhesion of carbonized components to the load 40 . As a result, scorching of the load 40 can be effectively suppressed.
  • a specific method for reducing the amount of the carbonized component contained in the extracted flavor component is not particularly limited, but for example, the component precipitated by cooling the extracted flavor component is
  • the amount of carbonized components contained in the extracted flavor component may be reduced by filtering with filter paper or the like.
  • the amount of carbonized components contained in the extracted flavor component may be reduced by centrifuging the extracted flavor component with a centrifuge.
  • a reverse osmosis membrane RO filter
  • step S20 the "tobacco residue", which is the tobacco leaves extracted in the extraction step of step S10, is hardened and formed into a predetermined shape (in this embodiment, a bar shape as an example) to form a tobacco molded body. 60 is manufactured.
  • a predetermined shape in this embodiment, a bar shape as an example.
  • step S20 after the tobacco residue is solidified into a predetermined shape to produce the tobacco molded body 60, the surface of the tobacco molded body 60 is coated with a coating material.
  • the tobacco molded body 60 having a structure in which the surface of the tobacco residue hardened into a predetermined shape is covered with the coating material can be manufactured.
  • wax can be used as this coating material.
  • this wax include Microcrystalline WAX manufactured by Nippon Seiro Co., Ltd. (model number: Hi-Mic-1080 or model number: Hi-Mic-1090), and water-dispersed ionomer manufactured by Mitsui Chemicals (model number: Chemipearl S120). ), Mitsui Chemicals Hi-Wax (model number: 110P), or the like can be used.
  • corn protein can be used as the coating material.
  • Zein model number: Kobayashi Zein DP-N manufactured by Kobayashi Koryo Co., Ltd.
  • polyvinyl acetate can be used as the coating material.
  • the coating material covering the surface of the tobacco molded body 60 is provided with a plurality of pores (fine pores) through which the flavor components remaining in the tobacco residue can pass while suppressing passage of the tobacco residue. preferably. That is, the pores of the coating material may be larger than the size of the flavor component and smaller than the size of the tobacco residue. According to this configuration, the flavor components remaining in the tobacco residue can be eluted into the aerosol source while suppressing the elution of the tobacco residue into the aerosol source.
  • the specific size (diameter) of the holes provided in this coating material is not particularly limited, but to give a specific example, for example, a value selected from the range of 10 ⁇ m or more and 3 mm or less can be used. can.
  • a net-like mesh member can also be used as the coating material.
  • the flavor components remaining in the tobacco residue can be eluted into the aerosol source while suppressing the elution of the tobacco residue into the aerosol source.
  • the tobacco residue can be mixed with a resin to harden the tobacco residue to produce the tobacco molded body 60.
  • the flavor components remaining in the tobacco residue can be eluted into the aerosol source while suppressing the elution of the tobacco residue into the aerosol source.
  • the tobacco residue may be washed with a cleaning liquid, and the tobacco residue after washing may be molded by the method described above to manufacture the tobacco molded body 60.
  • the amount of carbonized components contained in the tobacco residue is reduced as much as possible by washing, and the tobacco compact 60 can be manufactured using the tobacco residue with the reduced amount of carbonized components.
  • adhesion of carbonized components to the load 40 can be effectively suppressed.
  • scorching of the load 40 can be effectively suppressed.
  • the tobacco molded body 60 can also be manufactured by molding new tobacco leaves by the method described above without using tobacco residue. In this case, step S10 may be omitted.
  • step S40 the adhesion process of step S40 is executed.
  • the inner surface of at least one of the walls 70b, 70c, 70e, 70f, 70g, 71a, and 71b defining the liquid container 50 is coated with a nicotine-containing liquid Ni containing at least one of natural nicotine and synthetic nicotine. .
  • the adhering step it is preferable to adhere the nicotine-containing liquid Ni to the inner surface of the wall portion 71 a that functions as a lid for closing the liquid storage portion 50 . Since the wall portion 71a can be separated from the liquid storage portion 50, the nicotine-containing liquid Ni can be easily adhered to the inner surface of the wall portion 71a.
  • the nicotine-containing liquid Ni may be applied to the inner surface of at least one of the walls 70b, 70c, 70e, 70f, 70g, 71a, 71b.
  • the nicotine-containing liquid Ni can be uniformly adhered to the walls 70b, 70c, 70e, 70f, 70g, 71a, and 71b.
  • the amount of nicotine-containing liquid Ni to be used can be easily adjusted.
  • the nicotine-containing liquid Ni may be sprayed onto the inner surface of at least one of the wall portions 70b, 70c, 70e, 70f, 70g, 71a, 71b using, for example, an injector. In this case, even if the internal space of the liquid containing portion 50 is narrow, the nicotine-containing liquid Ni can be easily adhered to the wall portions 70b, 70c, 70e, 70f, 70g, 71a, 71b.
  • step S50 the assembly process related to step S50 is executed. Specifically, in step S50, the tobacco molded body 60 is stored in the liquid storage section 50 of the atomization unit 12. As shown in FIG.
  • the wick 30 and the load 40 may be attached to the atomization unit 12 in step S50 or earlier. Specifically, the wick 30 and the load 40 are arranged in the load passage portion 22 (see FIG. 2) so that a portion of the wick 30 communicates with the liquid storage portion 50 . Thereby, the aerosol source contained in the liquid container 50 can be atomized while being held by the wick 30 .
  • step S50 the accommodation process related to step S60 is executed.
  • step S ⁇ b>60 the aerosol source is stored in the liquid storage section 50 .
  • the aerosol source is, for example, one substance selected from the group consisting of glycerin, propylene glycol, triacetin, 1,3-butanediol, and water, or two or more substances selected from this group. Contains substances.
  • the nicotine-containing liquid Ni adheres to the inner surface of at least one of the wall portions 70b, 70c, 70e, 70f, 70g, 71a, and 71b, and the tobacco molded body is attached to the liquid storage portion 50.
  • the liquid containing portion 50 is closed with a wall portion 71a functioning as a lid. As a result, the nicotine-containing liquid Ni and the aerosol source can be prevented from leaking from the liquid container 50 .
  • step S60 when the aerosol source is stored in the liquid storage section 50, the aerosol source and the nicotine-containing liquid Ni are mixed in the liquid storage section 50. As a result, an aerosol source containing the nicotine-containing liquid Ni is formed in the liquid container 50, so that the user can be provided with an aerosol containing the flavor component of tobacco leaves.
  • the atomization unit 12 of the suction tool 10 according to the present embodiment is manufactured.
  • step S60 can also be configured without step S60.
  • the user of the suction tool 10 can replenish the liquid container 50 with the aerosol source by himself/herself.
  • Step S60 may be performed at the same time as or before step S50.
  • the tobacco molded body 60 formed into a predetermined shape by solidifying tobacco leaves is arranged inside the liquid containing portion 50, the tobacco leaves are misted. It is possible to suppress adhesion to the load 40 of the conversion unit 12 . Further, by adhering the nicotine-containing liquid Ni to the inner surface of the wall portion of the liquid containing portion 50, when the aerosol source is accommodated in the liquid containing portion 50, the nicotine-containing liquid Ni adhering to the inner surface of the wall portion becomes an aerosol. It can be added to the source to adjust the flavor.
  • Nicotine-containing liquid 12 Atomization unit 50: Liquid storage portions 70b, 70c, 70e, 70f, 70g, 71a, 71b: Wall portions

Landscapes

  • Manufacture Of Tobacco Products (AREA)

Abstract

Ce procédé de production d'une unité d'atomisation comprend : une étape d'adhérence au cours de laquelle un liquide contenant de la nicotine qui contient de la nicotine naturelle et/ou de la nicotine synthétique est collé à une surface interne d'une paroi qui délimité une section de réception de liquide ; et une étape au cours de laquelle un article de tabac moulé est reçu dans la section de réception de liquide suite à l'étape d'adhérence.
PCT/JP2021/045994 2021-12-14 2021-12-14 Procédé de production d'unité d'atomisation WO2023112130A1 (fr)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018122978A1 (fr) * 2016-12-27 2018-07-05 日本たばこ産業株式会社 Inhalateur d'arôme du type à chauffage
WO2020084779A1 (fr) * 2018-10-26 2020-04-30 日本たばこ産業株式会社 Système de génération d'arôme, procédé de commande d'alimentation électrique, programme et unité d'alimentation électrique
WO2020183780A1 (fr) * 2019-03-08 2020-09-17 日本たばこ産業株式会社 Unité de génération de vapeur pour inhalateur d'arôme de type sans combustion et procédé de production pour unité de génération de vapeur pour inhalateur d'arôme de type sans combustion

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018122978A1 (fr) * 2016-12-27 2018-07-05 日本たばこ産業株式会社 Inhalateur d'arôme du type à chauffage
WO2020084779A1 (fr) * 2018-10-26 2020-04-30 日本たばこ産業株式会社 Système de génération d'arôme, procédé de commande d'alimentation électrique, programme et unité d'alimentation électrique
WO2020183780A1 (fr) * 2019-03-08 2020-09-17 日本たばこ産業株式会社 Unité de génération de vapeur pour inhalateur d'arôme de type sans combustion et procédé de production pour unité de génération de vapeur pour inhalateur d'arôme de type sans combustion

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