WO2023053185A1 - Procédé de fabrication d'unité d'atomisation d'outil d'aspiration - Google Patents

Procédé de fabrication d'unité d'atomisation d'outil d'aspiration Download PDF

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Publication number
WO2023053185A1
WO2023053185A1 PCT/JP2021/035600 JP2021035600W WO2023053185A1 WO 2023053185 A1 WO2023053185 A1 WO 2023053185A1 JP 2021035600 W JP2021035600 W JP 2021035600W WO 2023053185 A1 WO2023053185 A1 WO 2023053185A1
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Prior art keywords
liquid
tobacco
extract
aerosol
manufacturing
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PCT/JP2021/035600
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English (en)
Japanese (ja)
Inventor
亮祐 長瀬
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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 JP2023550773A priority Critical patent/JPWO2023053185A1/ja
Priority to PCT/JP2021/035600 priority patent/WO2023053185A1/fr
Publication of WO2023053185A1 publication Critical patent/WO2023053185A1/fr

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • 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 atomization unit of a suction tool.
  • a non-combustion heating type suction device As a non-combustion heating type suction device, it has a liquid storage part that stores an aerosol liquid and an electrical load that atomizes the aerosol liquid introduced from the liquid storage part to generate an aerosol.
  • an atomizing unit of an inhaler which is characterized by dispersing tobacco material powder inside an aerosol liquid (see, for example, Patent Document 1). According to such an atomization unit, the flavor component of the tobacco material can be eluted into the aerosol liquid in the liquid container. This allows the user to enjoy the flavor of the tobacco material.
  • Patent document 2 and patent document 3 can be cited as other prior art documents.
  • Patent Literature 2 discloses a basic configuration of a non-combustion heating suction tool.
  • Patent Document 3 discloses a technique for extracting flavor components from tobacco materials. Specifically, a technique for extracting flavor components from tobacco materials by heating alkali-treated tobacco materials is disclosed. disclosed.
  • the tobacco material dispersed in the aerosol liquid in the liquid storage part such as water-soluble polyphenols and polysaccharides, is "electrically loaded.
  • a component that, when attached, will cause scorching to the electrical load hereinafter sometimes referred to as a “burning component”
  • the electric load may be scorched.
  • a method for manufacturing an atomizing unit for a suction device includes a liquid containing portion containing an aerosol liquid, and atomizing the aerosol liquid introduced from the liquid containing portion. and an electrical load to generate an aerosol, wherein the extraction comprises heating tobacco material that has been subjected to alkali treatment to extract flavor components from the tobacco material.
  • the compact formed into a predetermined shape by hardening the tobacco residue is placed inside the aerosol liquid in the liquid container, and the compact is physically separated from the electrical load. Therefore, it is possible to prevent tobacco residue from adhering to the electrical load. As a result, it is possible to suppress the electric load from being scorched.
  • the tobacco residue is washed with an acidic cleaning liquid having a pH of 7.0 or less to reduce the pH of the tobacco residue to less than 8.0, and the washed tobacco residue is hardened.
  • the molded body is manufactured by molding into a predetermined shape by washing, the charred component contained in the molded body can be reduced compared to the case where the molded body is manufactured without such washing. Thereby, it is possible to suppress elution of a large amount of scorched components into the aerosol liquid from the compact accommodated in the liquid accommodating portion. As a result, it is possible to effectively prevent the electric load of the atomization unit of the suction tool from being scorched.
  • the molding step includes coating the entire surface of the molding with a coating material containing a water-soluble polymer made of at least one substance selected from polyvinyl alcohol, agar, gelatin, chitosan, and alginic acid. coating with.
  • a water-soluble polymer composed of at least one substance selected from polyvinyl alcohol, agar, gelatin, chitosan, and alginic acid is a substance having a relatively small molecular weight (low-molecular-weight substance). It has the property of suppressing the passage of substances with relatively large molecular weights (high-molecular-weight substances) through the bonding gap while permitting passage.
  • the flavor component contained in the tobacco material of the molded product (which is a low-molecular-weight substance ) can be allowed to dissolve into the aerosol liquid, while the charred component (which is a high-molecular-weight substance) can be suppressed from eluting into the aerosol liquid.
  • the flavor component when comparing the flavor component and the burnt component contained in the molded tobacco material, the flavor component can be dissolved in the water-soluble polymer described above, but the burnt component is difficult to dissolve in the water-soluble polymer. . Therefore, the flavor components of the tobacco material can be dissolved in the water-soluble polymer and then eluted into the aerosol liquid.
  • the scorched component since the scorched component is difficult to dissolve in the water-soluble polymer, elution into the aerosol liquid is suppressed. Also from this point of view, according to this aspect, it is possible to suppress the elution of the scorched component into the aerosol liquid while allowing the flavor component to be eluted into the aerosol liquid.
  • Aspect 3 further includes an extract producing step of producing an extract of the tobacco material by adding the flavor component extracted in the extracting step to a solvent, and
  • the aerosol liquid contained in may contain the liquid extract produced in the liquid extract producing step.
  • Aspect 1 or 2 above further includes an extract producing step of producing an extract of the tobacco material by adding the flavor component extracted in the extracting step to a solvent, and the forming step comprises the extract A part of the liquid extract produced in the manufacturing process is added to the compact, and the aerosol liquid contained in the liquid container in the assembling process is the liquid extract manufactured in the liquid extract manufacturing process. It may contain at least part of the remainder of the extract.
  • Aspect 5 further includes an extract producing step of producing an extract of the tobacco material by adding the flavor component extracted in the extracting step to a solvent, and the forming step comprises the extract It may include adding all of the extract produced in the production process to the compact.
  • FIG. 4 is a schematic cross-sectional view showing the main part of the atomization unit of the suction tool according to the embodiment; 3 is a cross-sectional view taken along line A1-A1 of FIG. 2;
  • FIG. 1 is a schematic perspective view of a tobacco consumption material according to an embodiment;
  • FIG. 5 is a schematic cross-sectional view of the tobacco consumption material of FIG. 4 taken along the XY plane.
  • Fig. 5 is a schematic cross-sectional view of the tobacco consumable material of Fig. 4 taken along the YZ plane; FIG.
  • FIG. 4 is a flowchart for explaining a method of manufacturing the atomization unit of the suction tool according to the embodiment
  • FIG. 10 is a flowchart for explaining a method of manufacturing an atomizing unit of a suction tool according to Modification 1 of the embodiment
  • FIG. 10 is a flowchart for explaining a method of manufacturing an atomizing unit of a suction tool according to Modification 2 of the embodiment
  • Fig. 10 is a schematic perspective view of a tobacco consumption material according to Modification 3 of the embodiment;
  • a method of manufacturing the atomization unit 12 of the suction tool 10 according to the embodiment of the present invention will be described below with reference to the drawings. Specifically, first, the configuration of the atomization unit 12 manufactured by the manufacturing method according to the present embodiment and the suction tool 10 including the atomization unit 12 will be described, and then the manufacturing method according to the present embodiment. will be explained. Note that the drawings of the present application are schematically illustrated for easy understanding of the features, and the dimensional ratios and the like of each component are not necessarily the same as the actual ones. In addition, XYZ Cartesian coordinates are illustrated in the drawings as needed.
  • 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 tool as exemplified in Patent Document 2, for example, so further detailed description will be omitted.
  • FIG. 2 is a schematic cross-sectional view showing main parts of the atomization unit 12. As shown in FIG. Specifically, 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 and a liquid container 50 .
  • a tobacco consumable material 60 is arranged inside the liquid storage portion 50 .
  • 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 a plurality of upstream passage portions, specifically, an upstream passage portion 21a (“first upstream passage portion”) and an upstream passage portion 21b. (“second upstream passage portion”).
  • the upstream passage portions 21a and 21b are arranged upstream of the load passage portion 22 (upstream in the air flow direction). 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 extraction liquid of the liquid storage section 50 to the load 40 of the load passage section 22 .
  • the specific configuration of the wick 30 is not particularly limited as long as it has such a function. Fifty extracts are introduced into load 40 .
  • the load 40 is an electrical load for introducing the extract from the liquid containing portion 50 and atomizing the introduced extract to generate an 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 that is, 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 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 extraction liquid in the liquid storage section 50 introduced into the load 40 through the wick 30 to atomize the liquid to generate an 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 liquid 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.
  • 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 configuration is not limited to this, and for example, the downstream passage portion 23 may be arranged adjacent to the liquid storage portion 50 in the thickness direction (Y-axis direction) of the suction tool 10 .
  • the tobacco consumable material 60 is arranged inside the aerosol liquid Le of the liquid storage part 50 at least when the suction tool 10 is used.
  • Two tobacco consumable materials 60 according to the present embodiment are arranged inside the aerosol liquid Le of the liquid storage section 50 .
  • the number of tobacco consumption materials 60 is not limited to this, and may be one or three or more.
  • the tobacco consumable material 60 contains tobacco material.
  • the flavor component of the tobacco material contained in the tobacco consumable material 60 is eluted into the aerosol liquid Le in 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 eluted from the tobacco material contained in the tobacco consumable material 60 . The air to which the flavor component-containing aerosol is added passes through the downstream passage portion 23 and is discharged from the discharge port 13 to be sucked by the user.
  • FIG. 4 is a schematic perspective view of the tobacco consumption material 60.
  • the tobacco consumption material 60 according to this embodiment has a sheet shape extending in a predetermined direction.
  • Specific values of the total length (L1), width (L2), and thickness (L3) of the tobacco consumable material 60 are not particularly limited, but examples of numerical values are as follows. That is, as the total length (L1) of the tobacco consumable material 60, a value selected from a range of, for example, 5 mm or more and 50 mm or less can be used. As the width (L2) of the tobacco consumable material 60, for example, a value selected from the range of 2 mm or more and 10 mm or less can be used. As the thickness (L3) of the tobacco consumable material 60, for example, a value selected from the range of 1 mm or more and 5 mm or less can be used. However, these values are merely examples of dimensions of the tobacco consumable material 60 , and the dimensions of the tobacco consumable material 60 may be appropriately set according to the size of the suction tool 10 .
  • FIG. 5 is a schematic cross-sectional view of the tobacco consumption material 60 of FIG. 4 taken along the XY plane.
  • FIG. 6 is a schematic cross-sectional view of the tobacco consumable material of FIG. 4 taken along the YZ plane.
  • a tobacco consumption material 60 according to this embodiment includes a molded body 61 and a coating material 62 that coats the entire surface of the molded body 61 .
  • the molded body 61 is obtained by hardening tobacco material and molding it into a predetermined shape.
  • tobacco residue which will be described later, is used as the tobacco material forming the molded body 61.
  • the coating material 62 coats the entire surface (all outer surfaces) of the molded body 61 so that the outer surface of the molded body 61 is not exposed to the surface of the tobacco consumption material 60 . Therefore, the entire surface of the tobacco consumable material 60 according to this embodiment is composed of the surface of the coating material 62 .
  • FIG. 7 is a flowchart for explaining the manufacturing method of the atomization unit 12 according to this embodiment.
  • the manufacturing method according to the present embodiment includes an extraction process related to step S10, a molding process related to step S20, an extract manufacturing process related to step S30, and an assembly process related to step S40, as described below.
  • step S10 flavor components are extracted from the tobacco material.
  • the tobacco material is subjected to alkali treatment, and the alkali-treated tobacco material is heated to extract flavor components from the tobacco material.
  • the details of this step S10 are as follows.
  • tobacco leaves are used as an example of "tobacco material”.
  • tobacco leaf “tobacco lamina” may be used, “tobacco stem” may be used, or both “tobacco lamina” and “tobacco stem” may be used.
  • the specific type of tobacco leaf is not particularly limited, and various types such as Orient leaf and Virginia leaf can be used.
  • the tobacco leaves used in step S10 may be one type of tobacco leaf or may be multiple types of tobacco leaves.
  • step S10 first, an alkaline substance is applied to the tobacco material (this treatment is "alkali treatment").
  • alkaline substance for example, a basic substance such as an aqueous solution of potassium carbonate can be used.
  • the alkali-treated tobacco material is heated at a predetermined temperature (for example, a temperature of 80°C or higher and lower than 150°C) (this treatment is referred to as heat treatment). Then, during this heat treatment, for example, "glycerol, propylene glycol, triacetin, 1,3-butanediol, and one substance selected from the group consisting of water, or selected from this group Two or more substances selected from this group (hereinafter, one substance or two or more substances selected from this group are referred to as “specific solvent substances”)” are brought into contact with the tobacco material.
  • a predetermined temperature for example, a temperature of 80°C or higher and lower than 150°C
  • heat treatment for example, "glycerol, propylene glycol, triacetin, 1,3-butanediol, and one substance selected from the group consisting of water, or selected from this group
  • Two or more substances selected from this group hereinafter, one substance or two or more substances selected from this group are referred to as
  • flavor components are included here
  • a collection solvent for example, the specific solvent substance described above 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 material to the above-described heat treatment, the components released from the tobacco material into the gas phase are cooled by using a condenser or the like. can be condensed to extract flavor components.
  • step S10 After step S10, a molding process related to step S20 and an extract manufacturing process related to step S30, which will be described below, are executed.
  • step S20 the "tobacco residue", which is the tobacco material extracted in the extraction step of step S10, is washed with an acidic cleaning liquid having a pH of 7.0 or less to remove the tobacco residue. pH) to less than 8.0.
  • the tobacco residue after washing is hardened and molded into a predetermined shape (in the present embodiment, a sheet shape as an example) to produce a molded body 61 as the tobacco consumption material 60 .
  • the tobacco residue may be formed into a sheet shape by using papermaking, casting, rolling, or the like.
  • step S20 the tobacco residue is effectively cleaned by cleaning with an acidic cleaning liquid until the pH of the tobacco residue becomes neutral or acidic.
  • the specific type of acidic cleaning liquid used in step S20 is not particularly limited.
  • this acidic cleaning solution include a cleaning solution containing an inorganic acid (eg, hydrochloric acid), or a cleaning solution containing an organic acid (eg, acetic acid, malic acid, etc.).
  • the tobacco residue may be washed by immersing it in an acidic cleaning liquid.
  • the tobacco residue extracted in step S10 may be powdered and then washed with a washing liquid. Then, the molded body 61 may be manufactured by molding the powdery tobacco residue. Alternatively, the tobacco residue extracted in step S10 may be washed with a washing liquid and then pulverized. Then, the molded body 61 may be manufactured by molding the powdery tobacco residue. That is, in this case, the molded body 61 is obtained by solidifying a plurality of powdery tobacco residues (tobacco materials) and molding them into a predetermined shape.
  • the average particle size of the powdered tobacco residue is not particularly limited, but may be, for example, 100 ⁇ m or less. As described above, when the average particle size of the powdery tobacco residue is 100 ⁇ m or less, the surface of the compact 61 can be made smoother than when the average particle size is larger than 100 ⁇ m. . This makes it easy to uniformly coat the entire surface of the molded body 61 with the coating material 62, which will be described later.
  • the average particle size of the tobacco residue is more preferably 80 ⁇ m or less, even more preferably 50 ⁇ m or less, and even more preferably 30 ⁇ m or less.
  • step S20 the surface of the compact 61 manufactured as described above is coated with the coating material 62 .
  • the “tobacco consumable material 60 ” having a structure in which the surface of the tobacco residue hardened into a predetermined shape is covered with the coating material 62 can be manufactured.
  • a specific method of coating with the coating material 62 is not particularly limited.
  • a coating material 62 can be coated on the surface of 61 .
  • the surface of the molded body 61 can be coated with the coating material 62 by spraying the coating material 62 onto the surface of the molded body 61 before being coated.
  • a water-soluble polymer can be used as the material of the coating material 62 .
  • a water-soluble polymer composed of at least one substance selected from polyvinyl alcohol (PVA), agar, gelatin, chitosan, and alginic acid can be used. That is, the material of the coating material 62 may be polyvinyl alcohol, agar, gelatin, chitosan, alginic acid, or a combination thereof. may The contents of step S20 are as described above.
  • the "tobacco material liquid extract” is manufactured by adding the flavor components extracted in step S10 to a predetermined solvent.
  • a predetermined solvent for example, the specific solvent substance described above can be used.
  • the liquid extract produced in step S30 is used as the aerosol liquid Le contained in the liquid container 50. That is, the aerosol liquid Le according to this embodiment contains at least the liquid extract produced in step S30.
  • the tobacco material extract may be produced by concentrating the flavor components extracted in step S10 and then adding them to the above-described predetermined solvent. According to this configuration, it is possible to increase the concentration of the flavor component contained in the liquid extract of the tobacco material.
  • step S40 the tobacco consumable material 60 manufactured in step S20 (that is, the molded body 61 whose surface is coated with the coating material 62 in this embodiment) is stored in the liquid storage section 50 of the atomization unit 12. together with the liquid extract (which becomes the liquid aerosol Le) produced in step S30.
  • the aerosol liquid Le stored in the liquid storage unit 50 in step S40 may be obtained by adding a predetermined solvent to the extract produced in step S30.
  • a predetermined solvent for example, the specific solvent substance described above can be used.
  • the atomization unit 12 of the suction tool 10 is manufactured.
  • the atomization unit 12 of the suction tool 10 can be manufactured while effectively utilizing tobacco residue as a material for the molded body 61 .
  • the molded body 61 formed by solidifying tobacco residue and molded into a predetermined shape is arranged inside the aerosol liquid Le of the liquid storage section 50, and the molded body 61 and the molded body 61 are electrically connected. Since the load 40 is physically separated from the load 40 , adhesion of tobacco residue to the load 40 can be suppressed. As a result, it is possible to prevent the load 40 from being scorched.
  • the tobacco residue is washed with an acidic cleaning liquid having a pH of 7.0 or less to reduce the pH of the tobacco residue to less than 8.0, and the washing Since the molded body 61 is manufactured by solidifying the tobacco residue afterward, the burnt component contained in the molded body 61 can be reduced as compared with the case where the molded body 61 is manufactured without such washing. can. As a result, it is possible to suppress elution of a large amount of scorched components into the aerosol liquid Le from the compact 61 housed in the liquid housing section 50 . As a result, scorching of the load 40 can be effectively suppressed.
  • the entire surface of the molded body 61 is coated with the coating material 62 in the molding process of step S20, so the following effects can be obtained.
  • the above-described water-soluble polymer used as the coating material 62 has a relatively low molecular weight while allowing a substance with a relatively small molecular weight (low-molecular weight substance) to pass through the bonding gap of the water-soluble polymer. It has the property of suppressing the passage of a substance having a high molecular weight (high molecular weight substance) through this bonding gap.
  • the flavor component contained in the tobacco material of the molded body 61 (this is , which are low-molecular-weight substances) into the aerosol liquid Le, but elution of the scorched components (which are high-molecular-weight substances) into the aerosol liquid Le can be suppressed.
  • the flavor component when comparing the flavor component and the burnt component contained in the tobacco material of the molded article 61, the flavor component can be dissolved in the water-soluble polymer described above, but the burnt component is difficult to dissolve in the water-soluble polymer. be. Therefore, the flavor component can be dissolved in the water-soluble polymer and then eluted in the aerosol liquid Le.
  • the scorched component since the scorched component is difficult to dissolve in the water-soluble polymer, elution into the aerosol liquid Le is suppressed. From this point of view as well, according to the present embodiment, elution of the scorched component into the aerosol liquid Le can be suppressed while allowing the flavor component to dissolve into the aerosol liquid Le.
  • the molding process in step S20 is not limited to the configuration described above.
  • the molding process in step S20 may be configured not to coat the entire surface of the molded body 61 with the coating material 62 .
  • the inside of the aerosol liquid Le in the liquid container 50 contains the molded body 61 that is not coated with the coating material 62 (that is, the tobacco consumption material 60 that does not contain the coating material 62). ) will be placed. Even in this case, it is possible to prevent the load 40 from burning.
  • the manufacturing method of the atomization unit 12 according to the present embodiment described above includes the liquid extract manufacturing process related to step S30, it is not limited to this configuration.
  • the method for manufacturing the atomization unit 12 may be configured not to include the liquid extract manufacturing process of step S30.
  • a predetermined solvent that does not contain any flavor component in advance can be used as this predetermined solvent.
  • this predetermined solvent for example, the specific solvent substance described above can be used.
  • the aerosol liquid Le contains not only the flavor component eluted from the compact 61 into the aerosol liquid Le, but also , it may also contain flavor components contained in the extract produced in step S30.
  • the concentration of the flavor component contained in the aerosol liquid Le can be increased compared to, for example, the case where the aerosol liquid Le in the liquid container 50 does not contain the liquid extract produced in step S30. This makes it possible to fully enjoy the flavor of the tobacco material.
  • FIG. 8 is a flowchart for explaining a method of manufacturing the atomization unit 12 of the suction tool 10 according to Modification 1 of the embodiment.
  • the manufacturing method according to this modification mainly differs from the manufacturing method according to the embodiment described with reference to FIG. 7 in that step S20A is included instead of step S20.
  • step S20A differs from the molding process of step S20 in that part of the liquid extract produced in the liquid extract production process of step S30 is added to the compact 61. .
  • step S20A the tobacco residue is washed with an acidic cleaning liquid, solidified, and molded into a predetermined shape to manufacture the molded body 61. Add a portion of the extracted liquid.
  • the entire surface of the compact 61 to which a part of the extract is added may be coated with the coating material 62 .
  • the aerosol liquid Le stored in the liquid storage unit 50 in step S40 according to this modification contains at least part of the remainder of the liquid extract produced in step S30 (the remaining portion added to the molded body 61). there is That is, in step S40 according to the present modification, the aerosol liquid Le stored in the liquid storage unit 50 may contain all of the remainder of the liquid extract produced in step S30, or the liquid extract produced in step S30. It may contain part of the rest of the liquid.
  • FIG. 9 is a flowchart for explaining a method of manufacturing the atomization unit 12 of the suction tool 10 according to Modification 2 of the embodiment.
  • the manufacturing method according to this modification mainly differs from the manufacturing method according to modification 1 described with reference to FIG. 8 in that step S20B is included instead of step S20A.
  • step S20B is different from the molding process of step S20A in that all of the liquid extract produced in the liquid extract production process of step S30 is added to the compact 61.
  • step S20B the tobacco residue is washed with an acidic cleaning liquid, solidified, and molded into a predetermined shape to manufacture the molded body 61. Add all of the extract.
  • the entire surface of the compact 61 to which the extract is added may be coated with the coating material 62 .
  • step S40 a predetermined solvent that does not contain flavor components is used as the aerosol liquid Le contained in the liquid container 50 .
  • this predetermined solvent for example, the specific solvent substance described above can be used.
  • the tobacco consumable material 60 has a sheet shape, but the shape of the tobacco consumable material 60 is not limited to this.
  • FIG. 10 is a schematic perspective view of a tobacco consumption material 60A according to Modification 3 of the embodiment.
  • the tobacco consumable material 60A may have a pellet shape (or tablet shape).
  • the tobacco consumption material 60A has a configuration in which the entire surface of a pellet-shaped molded body 61 is coated with a coating material 62 .
  • the tobacco consumption material 60A illustrated in FIG. 10 has a circular cross section, it is not limited to this configuration.
  • the cross-sectional shape of the tobacco consumption material 60A may be elliptical or polygonal (n-sided (n is a number of 3 or more) such as a triangle, quadrangle, or pentagon).
  • the specific dimensions of the tobacco consumption material 60A are not particularly limited, but an example is as follows.
  • As the total length (L1) of the tobacco consumable material 60A a value selected from a range of, for example, 1 mm or more and 10 mm or less can be used.
  • As the maximum dimension (D1) in the width direction of the tobacco consumable material 60A a value selected from a range of, for example, 1 mm or more and 10 mm or less can be used.
  • these values are only an example of dimensions of the tobacco consumable material 60A, and the dimensions of the tobacco consumable material 60A may be appropriately set according to the size of the suction tool 10.
  • Example> An experiment was conducted on the effect of manufacturing the molded body 61 after cleaning the tobacco residue with a cleaning liquid. This experiment will be described below.
  • the "cigarette residue" used in the experiment is as follows. To the tobacco material, 20 (wt%) dry weight of potassium carbonate (ie, alkaline substance) was added (this corresponds to alkaline treatment). Next, the tobacco material to which potassium carbonate was added was subjected to a heat treatment under conditions of a water concentration of 30 (%) and a temperature of 100 (°C). Then, to the tobacco residue after heat treatment, water is added in an amount 15 times the weight of the tobacco material before heat treatment, and immersed in water for 10 (min), followed by centrifugal dehydrator. dehydrated with The dehydrated tobacco residue was then dried in a dryer. The dried tobacco residue was used as tobacco residue for samples SA1 to SA7, which will be described later.
  • potassium carbonate ie, alkaline substance
  • a predetermined mass (g) of liquid was taken out from the filtered liquid (supernatant liquid) and heated in an aluminum container with a surface temperature of 250 (°C). Next, the mass (mg) of the char remaining in the container after this heating was measured. Then, by dividing the mass (mg) of the charcoal by the mass (predetermined mass) of the liquid after filtration, the mass (mg) of the charcoal produced per 1 g of the liquid after filtration, which is the "amount of charcoal produced (mg/ g liq.)” was calculated.
  • the carbide production amount of each sample was measured by the above method. It should be noted that the amount of carbide produced correlates with the likelihood of the load 40 being scorched. In other words, the greater the amount of char produced in the sample, the greater the amount of scorching that occurs on the load 40 when this sample is applied to the actual suction tool 10 .
  • Table 1 shows the results of measuring the amount of carbide produced for samples SA1 to SA7.
  • sample SA1 a molded body of tobacco residue that had not been washed (that is, unwashed tobacco residue) was used.
  • sample SA2 a molded body was used which was obtained by washing the tobacco residue with neutral water and shaping the tobacco residue after washing to a pH of 9.6.
  • sample SA3 a molded article was used in which the tobacco residue was washed with an acidic washing liquid and the pH of the washed tobacco residue became 7.5.
  • sample SA4 a molded article was used in which the tobacco residue was washed with an acidic washing liquid and the pH of the washed tobacco residue became 4.1.
  • sample SA5 an unwashed tobacco residue molded article whose entire surface was coated with polyvinyl alcohol (PVA) was used.
  • sample SA6 a molded product of tobacco residue washed with neutral water to a pH of 9.6 was used, the entire surface of which was coated with PVA.
  • sample SA7 a tobacco residue molded product washed with an acidic cleaning solution to a pH of 4.1 and coated with PVA on the entire surface was used.
  • SA1 to SA7 SA3, SA4 and SA7 correspond to Examples, and SA1, SA2, SA5 and SA6 correspond to Comparative Examples.
  • SA1 to SA4 When comparing SA1 to SA4, which are not coated, in Table 1, SA2 to SA4, which have been cleaned, have a smaller amount of carbide formation than SA1, which has not been cleaned.
  • SA3 and SA4 in which the pH of the tobacco residue after washing is less than 8.0, produced less char than SA2, in which the pH of the tobacco residue after washing is 9.6.
  • SA4 in which the tobacco residue after washing has a lower pH, produces less carbide than SA3.
  • SA5 to SA7 that are coated are generally SA1 to SA4 It can be seen that the amount of carbide produced is less than
  • the amount of char formed decreased when the pH of the tobacco residue was reduced to less than 8.0 by washing with an acidic cleaning liquid having a pH of 7.0 or less. Further, it has been confirmed experimentally that the amount of char formed can be more effectively reduced by coating the entire surface of the tobacco residue, which has been washed with an acidic cleaning liquid having a pH of 7.0 or less and has a pH of less than 8.0. rice field.
  • the load 40 was scorched by manufacturing the compact 61 using tobacco residue washed with an acidic cleaning liquid having a pH of 7.0 or less and having a pH of less than 8.0. Furthermore, by coating the entire surface of the molded body 61 with the coating material 62, the occurrence of scorching on the load 40 can be further suppressed.

Abstract

L'invention concerne une technologie permettant de supprimer l'apparition de grillage dans une charge électrique d'une unité d'atomisation d'un outil d'aspiration.　Un procédé de fabrication d'une unité d'atomisation d'un outil d'aspiration présentant une section de stockage de liquide et une charge électrique comprend : une étape d'extraction (S10) au cours de laquelle un matériau de tabac soumis à un traitement alcalin est chauffé pour extraire un composant d'arôme du matériau de tabac ; une étape de moulage (S20) au cours de laquelle un résidu de tabac, qui est le matériau de tabac après avoir été extrait à l'étape d'extraction, est nettoyé au moyen d'un liquide de nettoyage acide ayant un pH inférieur ou égal à 7,0 pour réduire le pH du résidu de tabac à moins de 8,0, et le résidu de tabac, après solidification du liquide de nettoyage, est moulé en une forme prédéterminée, ce qui permet de produire un corps moulé ; et une étape d'assemblage (S40) au cours de laquelle un liquide d'aérosol et le corps moulé produit à l'étape de moulage sont stockés dans la section de stockage de liquide.
PCT/JP2021/035600 2021-09-28 2021-09-28 Procédé de fabrication d'unité d'atomisation d'outil d'aspiration WO2023053185A1 (fr)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016063775A1 (fr) 2014-10-24 2016-04-28 日本たばこ産業株式会社 Procédé de fabrication d'ingrédient de cigarette
WO2019211332A1 (fr) 2018-05-01 2019-11-07 Nerudia Limited Système de substitution à l'acte de fumer
CN111329104A (zh) * 2020-04-22 2020-06-26 江苏中烟工业有限责任公司 一种加热卷烟烟末的处理方法
JP2020141705A (ja) 2019-08-20 2020-09-10 日本たばこ産業株式会社 エアロゾル生成装置、エアロゾル生成装置用の制御ユニット、方法及びプログラム

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016063775A1 (fr) 2014-10-24 2016-04-28 日本たばこ産業株式会社 Procédé de fabrication d'ingrédient de cigarette
WO2019211332A1 (fr) 2018-05-01 2019-11-07 Nerudia Limited Système de substitution à l'acte de fumer
JP2020141705A (ja) 2019-08-20 2020-09-10 日本たばこ産業株式会社 エアロゾル生成装置、エアロゾル生成装置用の制御ユニット、方法及びプログラム
CN111329104A (zh) * 2020-04-22 2020-06-26 江苏中烟工业有限责任公司 一种加热卷烟烟末的处理方法

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