US20220361560A1 - Aerosol-generating article including a plurality of segments - Google Patents

Aerosol-generating article including a plurality of segments Download PDF

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Publication number
US20220361560A1
US20220361560A1 US17/429,014 US202017429014A US2022361560A1 US 20220361560 A1 US20220361560 A1 US 20220361560A1 US 202017429014 A US202017429014 A US 202017429014A US 2022361560 A1 US2022361560 A1 US 2022361560A1
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US
United States
Prior art keywords
segment
aerosol
generating
generating article
moisturizing
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Pending
Application number
US17/429,014
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English (en)
Inventor
Sung Jong KI
Young Joong Kim
In Su Park
John Tae LEE
Sun Hwan JUNG
Eun Mi JEOUNG
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KT&G Corp
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KT&G Corp
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Publication date
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Publication of US20220361560A1 publication Critical patent/US20220361560A1/en
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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • 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
    • A24B15/10—Chemical features of tobacco products or tobacco substitutes
    • A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
    • 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
    • A24B15/10—Chemical features of tobacco products or tobacco substitutes
    • A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
    • A24B15/167—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes in liquid or vaporisable form, e.g. liquid compositions for electronic cigarettes
    • 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
    • A24B15/281—Treatment of tobacco products or tobacco substitutes by chemical substances the action of the chemical substances being delayed
    • A24B15/282—Treatment of tobacco products or tobacco substitutes by chemical substances the action of the chemical substances being delayed by indirect addition of the chemical substances, e.g. in the wrapper, in the case
    • 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
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • 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
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/42—Cartridges or containers for inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B9/00—Control of the moisture content of tobacco products, e.g. cigars, cigarettes, pipe tobacco

Definitions

  • the disclosure relates to an aerosol-generating article for use with an aerosol-generating device, and more particularly, to an aerosol-generating article including a plurality of segments.
  • the technical problem to be solved by the present inventive concept is to provide an aerosol-generating article including a segment containing nicotine and another segment containing an aerosol-generating material excluding nicotine.
  • the technical problem to be solved is not limited thereto, and other technical problems may be inferred from the following examples.
  • An aerosol-generating article may include a first segment including a first aerosol-generating material that excludes nicotine, and a second segment including a second aerosol-generating material that includes the nicotine, wherein the first aerosol-generating material includes a moisturizing material in an amount of at least 30 mg by weight.
  • An aerosol-generating article includes a plurality of segments, and the plurality of segments contain different components and amounts of the aerosol-generating material. Therefore, the satisfactory amount of atomization and the feeling of smoking can be guaranteed for a user. In addition, even if the aerosol-generating article is heated by a single heater, an excellent quality of an aerosol can be generated. In addition, due to a filtering of the aerosol by the portion not heated by a heater, a user can feel a different feeling of smoking compared to a conventional heating-type aerosol-generating article.
  • FIGS. 1A and 1B are diagrams showing examples of aerosol-generating articles.
  • FIGS. 2A and 2B are graphs showing heating temperatures of a second segment according to the content of a moisturizing material.
  • FIG. 3 is a diagram for describing an example arrangement of a single heater, a first segment, and a second segment.
  • FIG. 4 is a diagram for describing an example in which an aerosol is filtered by at least a portion of a second segment.
  • An aerosol-generating article may include a first segment including a first aerosol-generating material that excludes nicotine; and a second segment including a second aerosol-generating material that includes the nicotine, wherein the first aerosol-generating material includes a moisturizing material in an amount of at least 30 mg by weight.
  • the moisturizing material does not leak out of at least one wrapper surrounding the first segment.
  • the weight of the moisturizing material is less than or equal to 95 wt % of the weight of a sheet impregnated with the moisturizing material.
  • the weight of the moisturizing material included in the second aerosol-generating material is less than or equal to 30 wt % of the total weight of the second aerosol-generating material.
  • the first segment includes a sheet composed of a polymer material, and the sheet is impregnated with the first aerosol-generating material.
  • the polymer material includes at least one of paper, cellulose acetate, lyocell, and polylactic acid.
  • the second aerosol-generating material includes one of nicotine, free-base nicotine, nicotine salt, or a combination thereof, obtained from tobacco cut filler or reformed tobacco material.
  • the aerosol-generating article is heated by a heater, and the heater heats a first portion of the first segment and a second portion of the second segment.
  • the area of the first portion and the area of the second portion are equal to each other.
  • an aerosol generated by the heater is filtered by remaining portions of the second segment excluding the second portion.
  • the heater heats the first portion and the second portion to at least 120° C.
  • the second segment is placed adjacent to the downstream end of the first segment, and the aerosol-generating article further includes at least one segment placed adjacent to the downstream end of the second segment.
  • the expression, “at least one of a, b, and c,” should be understood as including only a, only b, only c, both a and b, both a and c, both b and c, or all of a, b, and c.
  • upstream when a user inhales air using a smoking article, a portion in which air enters into an aerosol-generating article from the outside is referred to as “upstream”, and a portion in which air exits from the inside of the aerosol-generating article to the outside is referred to as “downstream”.
  • upstream and downstream are terms used to indicate a relative position or direction between the segments that constitute the aerosol-generating article.
  • FIGS. 1A and 1B are diagrams showing examples of aerosol-generating articles.
  • the aerosol-generating article 1 is an article that is heated by an aerosol-generating device to generate an aerosol.
  • the aerosol-generating article 1 may include a first segment 11 , a second segment 12 , a third segment 13 , a fourth segment 14 , and wrappers 15 .
  • the first segment 11 may not include nicotine.
  • the first segment 11 may include an aerosol-generating material excluding nicotine.
  • the first segment 11 may include at least one of glycerin, propylene glycol, ethylene glycol, dipropylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, and oleyl alcohol, but is not limited thereto.
  • the first segment 11 may include a material in which glycerin and propylene glycol are mixed at a ratio of about 8:2. However, the material is not limited to the above-described mixing ratio.
  • the first segment 11 may contain other additive substances such as flavoring agents, wetting agents and/or organic acids. Further, the first segment 11 may contain a flavoring liquid such as menthol or a moisturizing agent.
  • the first segment 11 may include a crimped sheet, and the first segment 11 may include the aerosol-generating material in a state impregnated with the crimped sheet.
  • other additives such as flavoring agents, wetting agents and/or organic acids and flavoring liquids may be included in the first segment 11 in a state absorbed by the crimped sheet.
  • the crimped sheet may be a sheet made of a polymer material.
  • the polymer material may include at least one of paper, cellulose acetate, lyocell, and polylactic acid.
  • the crimped sheet may be a paper sheet that does not generate an odor even when heated to a high temperature.
  • the crimped sheet is not limited thereto.
  • the length of the first segment 11 may be in a range of about 4 mm to 12 mm, but the length of the first segment is not limited thereto. Preferably, the length of the first segment 11 may be about 10 mm, but is not limited thereto.
  • the second segment 12 may include nicotine.
  • the second segment 12 may include an aerosol-generating material such as glycerin or propylene glycol.
  • the second segment 12 may contain other additive substances such as flavoring agents, wetting agents and/or organic acids.
  • a flavoring liquid such as menthol or a moisturizing agent, may be added to the second segment 12 by spraying the flavoring liquid on the second segment 12 .
  • the aerosol-generating material may include tobacco cut fillers or reformed tobacco material.
  • the aerosol-generating material may include nicotine, and nicotine may be obtained by shaping or reforming tobacco leaves.
  • the aerosol-generating material may include one of free-base nicotine, nicotine salt, or a combination thereof.
  • nicotine may be naturally occurring nicotine or synthetic nicotine.
  • the second segment 12 may include a mixture of different types of tobacco leaves.
  • the mixture may be processed through various treatment processes, but is not limited thereto.
  • Nicotine salts may be formed by adding suitable acids, including organic or inorganic acids, to nicotine.
  • the acid for the formation of the nicotine salt may be appropriately selected in consideration of the rate of nicotine absorption in the blood, the heating temperature of the heater, scent or flavor, solubility, and the like.
  • the acid for the formation of the nicotine salt may be a single acid selected from a group including benzoic acid, lactic acid, and salicylic acid, lauric acid, sorbic acid, levulinic acid, pyruvic acid, formic acid, acetic acid, propionic acid, butyric acid, valeric acid, caproic acid, caprylic acid, capric acid, citric acid, myristic acid, palmitic acid, stearic acid, oleic acid, Linoleic acid, linolenic acid, phenylacetic acid, tartaric acid, succinic acid, fumaric acid, gluconic acid, saccharic acid, malonic acid or malic acid, or may be a mixture of two or more acids selected from the group, but the group not limited thereto.
  • the second segment 12 may be manufactured in various ways.
  • the second segment 12 may be made of a sheet or may be made of a strand.
  • the second segment 12 may be made of tobacco cut fillers, which are chopped from a tobacco sheet.
  • the second segment 12 may have a length in the range of about 6 mm to 18 mm, but the length not limited thereto. Preferably, the length of the second segment 12 may be about 12 mm, but is not limited thereto.
  • the third segment 13 may generate a cooling effect of the aerosol.
  • a user may inhale the cooled aerosol at an appropriate temperature.
  • the third segment 13 is made of cellulose acetate, and may be a tube-shaped structure including a hollow inside.
  • the third segment 13 may be manufactured by adding a plasticizer (e.g., triacetin) to a cellulose acetate tow.
  • a plasticizer e.g., triacetin
  • the mono denier of the third segment 13 may be 5.0, and the total denier may be 28,000, but is not limited thereto.
  • the third segment 13 is made of paper and may be a tube-shaped structure including a hollow inside.
  • the third segment 13 may include at least one hole through which external air may be introduced.
  • the third segment 13 may be manufactured by lamination made of several papers.
  • the third segment 13 may be manufactured by a laminate composed of an outer paper, an intermediate paper, and an inner paper, but is not limited thereto.
  • An inner surface of the inner paper constituting the laminate may be coated with a predetermined material (e.g., polylactic acid).
  • the total thickness of the third segment 13 may be in the range of 330 ⁇ m to 340 ⁇ m. Preferably, the total thickness of the third segment 13 may be about 333 ⁇ m, but is not limited thereto.
  • the total basis weight of the third segment 13 may be in the range of 230 g/m 2 to 250 g/m 2 .
  • the total basis weight of the third segment 13 may be about 240 g/m 2 , but is not limited thereto.
  • the diameter of the hollow included in the third segment 13 may be within the range of about 4 mm to 8 mm, but is not limited thereto.
  • the diameter of the hollow of the third segment 13 may be within the range of 7.0 mm to 7.5 mm, but is not limited thereto.
  • the length of the third segment 13 may be within the range of 4 mm to 30 mm, but is not limited thereto.
  • the length of the third segment 13 is about 12 mm, but is not limited thereto.
  • the third segment 13 is not limited to the above-described examples, and if the third segment 13 is capable of performing a function of cooling the aerosol, it may be applicable without limitation.
  • the fourth segment 14 may be manufactured by adding a plasticizer (e.g., triacetin) to a cellulose acetate tow.
  • a plasticizer e.g., triacetin
  • the length of the fourth segment 14 may be within the range of about 4 mm to 30 mm, but is not limited thereto.
  • the length of the fourth segment 13 is about 14 mm, but is not limited thereto.
  • the fourth segment 14 may be manufactured to generate a flavor.
  • the flavoring liquid may be sprayed on the fourth segment 14 , or a separate fiber coated with the flavoring liquid may be inserted into the fourth segment 14 .
  • At least one capsule may be included in the fourth segment 14 .
  • the capsule may perform a function of generating a flavor or may perform a function of generating an aerosol.
  • the capsule may have a structure in which a liquid containing perfume is wrapped with a film.
  • the capsule may have a spherical or cylindrical shape, but is not limited thereto.
  • the aerosol-generating article 1 may be wrapped by a plurality of wrappers 15 . At least one hole may be formed in the wrappers so that external air flows in or internal gas flows out through the at least one hole.
  • the first segment 11 is wrapped by a first wrapper 151
  • the second segment 12 is wrapped by a second wrapper 152
  • the third segment 13 may be wrapped by a third wrapper 153
  • the fourth segment 14 may be wrapped by a fourth wrapper 154
  • the entire aerosol-generating article 1 may be rewrapped by a sixth wrapper 156 .
  • the first segment 11 is wrapped by a first wrapper 151
  • the second segment 12 is wrapped by a second wrapper 152
  • the third segment 13 may be wrapped by a third wrapper 153
  • the fourth segment 14 may be wrapped by a fourth wrapper 154
  • the entire aerosol-generating article 1 may be rewrapped by the sixth wrapper 156
  • a part of the third segment 13 and the fourth segment 14 may be rewrapped by a fifth wrapper 155 .
  • the first wrapper 151 may be formed by bonding a metal foil such as aluminum foil to a general filter wrapper.
  • the total thickness of the first wrapper 151 may be in the range of about 40 ⁇ m to 80 ⁇ m.
  • the total thickness of the first wrapper 151 is about 64 ⁇ m, but is not limited thereto.
  • the thickness of the metal foil of the first wrapper 151 may be in the range of about 10 ⁇ m to 30 ⁇ m.
  • the thickness of the metal foil of the first wrapper 151 is about 20 ⁇ m, but is not limited thereto.
  • the total basis weight of the first wrapper 151 may be in the range of about 80 g/m 2 to 90 g/m 2 .
  • the total basis weight of the first wrapper 151 is about 89 g/m 2 , but is not limited thereto.
  • the basis weight of the metal foil of the first wrapper 151 may be in the range of about 50 g/m 2 to 60 g/m 2 .
  • the basis weight of the metal foil of the first wrapper 151 is about 54 g/m 2 , but is not limited thereto.
  • the second wrapper 152 may be formed by bonding a metal foil such as aluminum foil to a general filter wrapper.
  • the first wrapper 151 may have a different thickness and/or basis weight from the second wrapper 152 .
  • the thickness of the second wrapper 152 may be in the range of about 80 ⁇ m to 110 ⁇ m.
  • the total thickness of the second wrapper 152 is about 108 pn, but is not limited thereto.
  • the thickness of the metal foil of the second wrapper 152 may be in the range of about 10 um to 30 ⁇ m.
  • the thickness of the metal foil of the second wrapper 152 is about 20 ⁇ m, but is not limited thereto.
  • the total basis weight of the second wrapper 152 may be in the range of about 120 g/m 2 to 130 g/m 2 .
  • the total basis weight of the second wrapper 152 is about 124 g/m 2 , but is not limited thereto.
  • the basis weight of the metal foil of the second wrapper 152 may be in the range of about 50 g/m 2 to 60 g/m 2 .
  • the basis weight of the metal foil of the second wrapper 152 is about 54 g/m 2 , but is not limited thereto.
  • the aerosol-generating article 1 may not include the third wrapper 153 .
  • the third segment 13 may be wrapped by the sixth wrapper 156 without the third wrapper 153 .
  • the fourth wrapper 154 may be made of a wrapper having oil resistance.
  • the thickness of the fourth wrapper 154 may be in the range of about 90 ⁇ m to 110 ⁇ m.
  • the thickness of the fourth wrapper 154 is about 100 ⁇ m, but is not limited thereto.
  • the basis weight of the fourth wrapper 154 may be in the range of about 70 g/m 2 to 80 g/m 2 .
  • the basis weight of the fourth wrapper 154 is about 75 g/m 2 , but is not limited thereto.
  • the fifth wrapper 155 may be made of a general filter wrapper.
  • the thickness of the fifth wrapper 155 may be in the range of about 40 ⁇ m to 50 ⁇ m.
  • the thickness of the fifth wrapper 155 is about 44 ⁇ m, but is not limited thereto.
  • the basis weight of the fifth wrapper 155 may be in the range of about 36 g/m 2 to 40 g/m 2 .
  • the basis weight of the fifth wrapper 156 is about 38 g/m 2 , but is not limited thereto.
  • the sixth wrapper 156 may be made of a sterilized paper (MFW).
  • the basis weight of the sixth wrapper 156 may be in the range of about 45 g/m 2 to 55 g/m 2 .
  • the basis weight of the sixth wrapper 156 is about 50 g/m 2 , but is not limited thereto.
  • the thickness of the sixth wrapper 156 may be in the range of about 55 ⁇ m to 65 ⁇ m.
  • the thickness of the sixth wrapper 156 is about 61 ⁇ m, but is not limited thereto.
  • the first segment 11 includes an aerosol-generating material excluding nicotine
  • the second segment 12 includes an aerosol-generating material including the nicotine.
  • the component and content of the aerosol-generating material included in the first segment 11 and the component and content of the aerosol-generating material included in the second segment 12 may not be the same. Therefore, in order for a user to have a satisfactory feeling of smoking, the first segment 11 and the second segment 12 need to be heated to different temperatures. For example, when the second segment 12 is heated to a temperature suitable for the first segment 11 , a user may feel a burnt taste. Alternatively, when the first segment 11 is heated to a temperature suitable for the second segment 12 , sufficient aerosol may not be generated.
  • the first segment 11 and the second segment 12 may be heated to different temperatures by different heaters. For example, if the first segment 11 is heated to A ° C. by a heater to produce a sufficient amount of aerosol, and the second segment 12 is heated to B ° C. by another heater to volatilize an appropriate amount of nicotine, and a user may have a satisfactory feeling of smoking.
  • the first segment 11 and the second segment 12 may be heated by a single heater. In this case, it is difficult to heat the first segment 11 and the second segment 12 to different temperatures. Thus, even if the first segment 11 and the second segment 12 are heated by one heater, at least one of the wrappers 15 may include a thermally conductive wrapper so that each of the first segment 11 and the second segment 12 may be heated to an appropriate temperature. An example in which the first segment 11 and the second segment 12 are heated by a single heater will be described later with reference to FIGS. 3 and 4 .
  • the first segment 11 and the second segment 12 may include an aerosol-generating material, and the aerosol-generating material may include a moisturizing material.
  • the moisturizing material may include glycerin, propylene glycol, or a combination thereof, but is not limited thereto.
  • glycerin and propylene glycol may be combined at a ratio of 8:2.
  • the combination ratio is not limited to the example described above.
  • the moisturizing material included in the first segment 11 may contribute to the amount of the aerosol produced. In other words, the total amount of atomization of the aerosol-generating article 1 may be determined by the weight of the moisturizing material included in the first segment 11 .
  • the moisturizing material included in the second segment 12 may be involved in the smoking taste of the aerosol-generating article 1 . In other words, the smoking taste of the aerosol-generating article 1 may be determined by the nicotine and the moisturizing material included in the second segment 12 .
  • the first segment 11 In order to generate a sufficient amount of atomization from the aerosol-generating article 1 , the first segment 11 must contain a sufficient amount of moisturizing material. In particular, the first segment 11 may include a greater amount of moisturizing material than the second segment 12 . However, when an excessive moisturizing material is included in the first segment 11 , the moisturizing material may leak out of the aerosol-generating article 1 . This is undesirable in view of the appearance of the aerosol-generating article 1 .
  • the amount of the moisturizing material included in the second segment 12 increases, the amount of heat required for the moisturizing material to vaporize also increases. Accordingly, the amount of vaporization of nicotine and other aerosol-generating materials included in the second segment 12 is reduced, and results in a decrease in the satisfaction of a smoking feeling of the user.
  • the first segment 11 includes a moisturizing material in an amount capable of ensuring a sufficient amount of atomization and preventing a change in the appearance of the aerosol-generating article 1 .
  • the weight of the moisturizing material included in the first segment 11 may be at least 30 mg.
  • the weight of the moisturizing material included in the first segment 11 may be at least 40 mg.
  • the weight of the moisturizing material included in the first segment 11 may be at least 50 mg.
  • the weight of the moisturizing material included in the first segment 11 may be at least 60 mg.
  • the weight of the moisturizing material included in the first segment 11 may be less than or equal to 95 wt % of the weight of the sheet impregnated with the moisturizing material.
  • the weight of the moisturizing material included in the first segment 11 may be less than or equal to 85 wt % of the weight of the sheet impregnated with the moisturizing material.
  • the weight of the moisturizing material included in the first segment 11 may be less than or equal to 75 wt % of the weight of the sheet impregnated with the moisturizing material.
  • Table 1 shows the results of analyzing the weight (unit: mg) of components included in the aerosol for each weight (unit: mg) of the moisturizing material included in the first segment 11 .
  • the aerosol means the sum of the aerosols discharged to the outside of the aerosol-generating article 1 by a predetermined number of puffs.
  • TPM total particulate matter
  • the content of the moisturizing material in the first segment 11 is more than a certain amount, it may be seen that the effect of nicotine in the second segment 12 being discharged to the outside of the aerosol-generating article 1 is small.
  • the TPM in the aerosol is greater than or equal to about 40 mg, a result similar to the content of nicotine shown in Table 1 was confirmed.
  • the content of the moisturizing material in the first segment 11 is about 30 mg, it is confirmed that about 40 mg of TPM is contained in the aerosol. That is, when the moisturizing material in the first segment 11 is greater than or equal to about 40 mg, it is confirmed that a sufficient amount of atomization is ensured and an adequate amount of nicotine transfer may be ensured.
  • leakage may mean that the moisturizing material oozes out of the surface of at least one wrapper surrounding the first segment 11 .
  • the ratio of the weight of the moisturizing material to the weight of the sheet impregnated with the moisturizing material is 97.5 wt %, it is confirmed that the moisturizing material leaks.
  • the ratio is less than or equal to 90.0 wt %, it is confirmed that no moisturizing material has leaked.
  • the ratio of the weight of the moisturizing material to the weight of the sheet impregnated with the moisturizing material is less than or equal to about 95 wt %, it is confirmed that no moisturizing material has leaked.
  • a moisturizing material may be included in the second segment 12 according to an exemplary embodiment, and an optimal amount of the moisturizing material is determined to maximize the user's smoking feeling.
  • the weight of the moisturizing material included in the second segment 12 may be less than or equal to 30 wt % of the total weight of the aerosol-generating material included in the second segment 12 .
  • the weight of the moisturizing material included in the second segment 12 may be less than or equal to 25 wt % of the total weight of the aerosol-generating material included in the second segment 12 .
  • the weight of the moisturizing material included in the second segment 12 may be less than or equal to 20 wt % of the total weight of the aerosol-generating material included in the second segment 12 .
  • the weight of the moisturizing material included in the second segment 12 may be less than or equal to 15 wt % of the total weight of the aerosol-generating material included in the second segment 12 .
  • FIGS. 2A and 2B are graphs showing heating temperatures of the second segment according to the content of the moisturizing material.
  • FIGS. 2A and 2B when the content of the moisturizing material in the second segment 12 is 3 wt % (A), 10 wt % (B) and 25 wt % (C), graphs showing the relationship between the heating time and temperature of the second segment 12 are shown.
  • Table 3 below shows the total weight of the aerosol-generating material contained in the second segment 12 and the time taken to reach a specific temperature (e.g., 100° C., 150° C.) when the second segment 12 is heated, based on the graph shown in FIG. 2A .
  • a specific temperature e.g. 100° C., 150° C.
  • Table 4 summarizes the total weight of the aerosol-generating material contained in the second segment 12 and the time taken to reach a specific temperature (e.g., 100° C., 150° C.) when the second segment 12 is heated.
  • first segment 11 and the second segment 12 may be heated by a single heater.
  • a single heater may be placed over at least a portion of the first segment 11 and at least a portion of the second segment 12 .
  • FIG. 2B an example in which a single heater is placed over the first segment 11 and the second segment 12 will be described with reference to FIG. 2B .
  • FIG. 3 is a diagram for describing an example of arrangement of a single heater, a first segment, and a second segment.
  • the aerosol-generating article 1 may include a first segment 11 and a second segment 12 including materials of different compositions in order to produce an abundant amount of aerosol, as well as to transport nicotine and tobacco flavor.
  • the first segment 11 may contain only an aerosol-generating material excluding nicotine to generate an aerosol in an abundant amount.
  • the second segment 12 may include not only an aerosol-generating material, but also nicotine for transporting tobacco flavor.
  • the more the moisturizing material is included the larger the amount of aerosol is generated. Therefore, the first segment 11 may contain a larger amount of the moisturizing material than the second segment 12 .
  • the first segment 11 and the second segment 12 may be heated by a single heater 410 .
  • the single heater 410 may heat a first portion d 1 of the first segment 11 and a second portion d 2 of the second segment.
  • the area of the first portion d 1 and the area of the second portion d 2 may be the same.
  • the single heater 410 may be configured to surround the first segment 11 and the second segment 12 . Therefore, when the lengths of the first portion d 1 and the second portion d 2 are the same, the area of the first segment 11 and the area of the second segment 12 , wrapped by the single heater 410 are also the same.
  • the single heater 410 may directly contact the first segment 11 and the second segment 12 , and may indirectly contact the first segment 11 and the second segment 12 through other configurations.
  • the single heater 410 may indirectly contact the first segment 11 or the second segment 12 through a thermally conductive wrapper or thermally conductive tube, and a heating temperature difference between the first segment 11 and the second segment 12 may be realized by indirect heating method through the thermally conductive wrapper or the thermally conductive tube.
  • the heating temperature of the single heater 410 is greater than or equal to about 120° C., the user's smoking feeling may be satisfied.
  • the portion of the second segment 12 that is not heated may perform a function of filtering an aerosol.
  • an aerosol generated by the single heater 410 may be filtered by the remaining portions of the second segment 12 other than the second portion d 2 .
  • FIG. 4 an example in which aerosol is filtered will be described with reference to FIG. 4 .
  • FIG. 4 is a diagram for describing an example in which an aerosol is filtered by at least a portion of a second segment.
  • FIG. 4 shows an example of an aerosol-generating article 1 .
  • the second segment 12 may be divided into a portion 121 heated by a heater and a portion 122 that is not heated by the heater.
  • an aerosol is generated.
  • the generated aerosol moves along the downstream of the aerosol-generating article 1 and is finally delivered to the user.
  • some materials may be filtered.
  • filtering not only filters some of the components included in the aerosol, but may also filter other components contained in the aerosol.
  • the portion 122 that is not heated may cause changes in the components in the aerosol. For example, as the aerosol passes through the unheated portion 122 , some components in the aerosol may be filtered out, and some components included in the unheated portion 122 may be further included in the aerosol. Accordingly, the aerosol discharged to the outside of the aerosol-generating article 1 may be different from the component of the aerosol initially generated. Thus, compared to the second segment 12 being entirely heated, a user may feel a different feeling of smoking.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacture Of Tobacco Products (AREA)
US17/429,014 2020-02-20 2020-12-09 Aerosol-generating article including a plurality of segments Pending US20220361560A1 (en)

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KR10-2020-0020943 2020-02-20
KR1020200020943A KR102478538B1 (ko) 2020-02-20 2020-02-20 복수의 세그먼트들을 포함하는 에어로졸 생성 물품
PCT/KR2020/017964 WO2021167215A1 (en) 2020-02-20 2020-12-09 Aerosol-generating article including a plurality of segments

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WO2024003315A1 (en) * 2022-06-30 2024-01-04 Philip Morris Products S.A. Aerosol-generating article having two or more substrate segments
KR20240028723A (ko) * 2022-08-25 2024-03-05 주식회사 케이티앤지 산을 포함하는 흡연물품

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WO2021167215A1 (en) 2021-08-26
CN113645864A (zh) 2021-11-12
EP3917341A4 (en) 2022-03-30
JP2022524740A (ja) 2022-05-10
CN113645864B (zh) 2024-09-06
KR20210106153A (ko) 2021-08-30
EP3917341A1 (en) 2021-12-08
JP7284826B2 (ja) 2023-05-31

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