WO2022030799A1 - Article de génération d'aérosol comprenant un matériau thermoconducteur - Google Patents

Article de génération d'aérosol comprenant un matériau thermoconducteur Download PDF

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Publication number
WO2022030799A1
WO2022030799A1 PCT/KR2021/009161 KR2021009161W WO2022030799A1 WO 2022030799 A1 WO2022030799 A1 WO 2022030799A1 KR 2021009161 W KR2021009161 W KR 2021009161W WO 2022030799 A1 WO2022030799 A1 WO 2022030799A1
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WO
WIPO (PCT)
Prior art keywords
aerosol
tobacco
thermally conductive
generating article
weight
Prior art date
Application number
PCT/KR2021/009161
Other languages
English (en)
Korean (ko)
Inventor
김영중
정순환
기성종
박인수
이존태
정은미
Original Assignee
주식회사 케이티앤지
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 주식회사 케이티앤지 filed Critical 주식회사 케이티앤지
Priority to EP21798538.1A priority Critical patent/EP3973793A4/fr
Priority to US17/595,168 priority patent/US20230292812A1/en
Priority to JP2021563037A priority patent/JP7359513B2/ja
Priority to CN202180004669.6A priority patent/CN114302654B/zh
Publication of WO2022030799A1 publication Critical patent/WO2022030799A1/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
    • A24B15/10—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
    • 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
    • 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
    • A24B15/14—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco made of tobacco and a binding agent not derived from 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
    • A24B15/18—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
    • 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
    • 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
    • A24B15/287—Treatment of tobacco products or tobacco substitutes by chemical substances by inorganic substances only
    • 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
    • A24D1/002—Cigars; Cigarettes with additives, e.g. for flavouring
    • 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
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • A24D1/045—Cigars; Cigarettes with mouthpieces or filter-tips with smoke filter means
    • 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
    • A24F40/46—Shape or structure of electric heating means
    • 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
    • A24F40/50—Control or monitoring
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00—Preparing tobacco in the factory
    • A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products

Definitions

  • the present disclosure relates to an aerosol-generating article comprising a thermally conductive material.
  • Various embodiments are directed to providing an aerosol-generating article comprising a thermally conductive material.
  • the technical problems to be achieved by the present disclosure are not limited to the technical problems as described above, and other technical problems may be inferred from the following embodiments.
  • Various embodiments can provide an aerosol-generating article comprising a tobacco medium prepared from a mixture comprising tobacco powder and a thermally conductive powder, the mixture comprising less than 20% by weight on a dry weight basis of the thermally conductive powder.
  • an aerosol-generating article comprising a thermally conductive material.
  • an aerosol-generating article according to the present disclosure may comprise a tobacco medium prepared from a mixture comprising tobacco powder and a thermally conductive powder.
  • the inclusion of the thermally conductive material in the tobacco medium may increase the heat transfer efficiency in the process of heating the aerosol-generating article. Accordingly, an abundant amount of aerosol can be provided to the user, and the time required for warm-up and power consumption of the battery can be reduced.
  • the temperature of the tobacco medium rises higher than the intended level by the preset temperature profile in the process of heating the aerosol-generating article, giving the user an excessive sense of heat. This can be passed on.
  • the thermally conductive powder included in the mixture is 20% by weight or more based on the dry weight, it was confirmed that an excessive sense of heat is transmitted to the user in the initial puff section.
  • the mixture for preparing the tobacco medium of an aerosol-generating article according to the present disclosure may comprise less than 20% by weight on a dry weight basis of the thermally conductive powder. Accordingly, the temperature of the tobacco medium can be controlled to an intended level by the preset temperature profile while the heat transfer efficiency in the process of heating the aerosol-generating article is increased.
  • FIG. 1 to 4 are views illustrating examples in which an aerosol-generating article is inserted into an aerosol-generating device.
  • FIG. 5 is a diagram illustrating an aerosol-generating article according to an exemplary embodiment.
  • 6 to 8 are diagrams related to an experiment for determining an appropriate content of the thermally conductive powder.
  • FIGS. 9 and 10 are cross-sectional views for explaining the distribution of the thermally conductive powder in the tobacco medium according to exemplary embodiments.
  • An aerosol-generating article comprises a tobacco medium prepared from a mixture comprising tobacco powder and a thermally conductive powder, wherein the mixture comprises less than 20% by weight on a dry weight basis of the thermally conductive powder. have.
  • the mixture may include 30% to 80% by weight of tobacco powder on a dry weight basis, and 0.1% or more and less than 20% by weight of the thermally conductive powder.
  • the mixture further includes at least one of an additive, a binder, and a humectant
  • the tobacco medium part may be prepared by drying the slurry produced by adding water to the mixture to form a sheet and then molding it.
  • the mixture may contain, on a dry weight basis, from 60% to 80% by weight of tobacco powder, from 5% to less than 20% by weight of a thermally conductive powder, from 3% to 7% by weight of additives, from 6% to 10% by weight. % by weight of a binder, and 5% to 12% by weight of a humectant.
  • the thermally conductive powder may include aluminum powder.
  • the thermally conductive powder when the aerosol-generating article is heated by heat transferred from the outside of the tobacco medium, the thermally conductive powder may be distributed at a higher density closer to the longitudinal axis of the tobacco medium.
  • the thermally conductive powder when the aerosol-generating article is heated by heat transferred from the interior of the tobacco medium, the thermally conductive powder may be distributed at a higher density away from the longitudinal axis of the tobacco medium.
  • the aerosol-generating article comprises: an aerosol-generating unit disposed upstream of the tobacco medium and comprising a sheet of non-tobacco material to which a humectant is applied; a cooling unit disposed downstream of the tobacco medium and cooling the aerosol generated from at least one of the aerosol generating unit and the tobacco medium; and a filter unit disposed downstream of the cooling unit.
  • An aerosol generating system comprises a tobacco medium prepared from a mixture comprising tobacco powder and a thermally conductive powder, the mixture comprising less than 20% by weight on a dry weight basis of the thermally conductive powder an aerosol comprising product; and an aerosol-generating device comprising a heater for heating the aerosol-generating article, a battery for supplying electric power to the heater, and a control unit for controlling supply of electric power from the battery to the heater.
  • the heater is disposed to surround the outside of the tobacco medium, the thermally conductive powder may be distributed at a higher density as it is closer to the longitudinal axis of the tobacco medium.
  • the heater is disposed to be inserted into the tobacco medium, the thermally conductive powder may be distributed in a higher density as the distance from the longitudinal axis of the tobacco medium.
  • upstream and downstream may be determined based on the direction in which air flows when a user smokes using the aerosol-generating article. For example, when the user smokes using the aerosol-generating article shown in FIG. 5 , the aerosol generated from the aerosol-generating unit 210 or the tobacco medium 220 is filtered along the air introduced from the outside ( 240 ) Since it moves to and is delivered to the user through the filter unit 240 , the aerosol generating unit 210 or the tobacco medium 220 is located “upstream” of the filter unit 240 .
  • upstream and downstream may be relative according to the relationship of the components.
  • longitudinal direction may refer to a direction from an upstream end to a downstream end of the aerosol-generating article or vice versa.
  • the longitudinal direction is the aerosol generating unit ( The direction from 210 to the filter unit 240 may be in the opposite direction.
  • FIG. 1 to 4 are views illustrating examples in which an aerosol-generating article is inserted into an aerosol-generating device.
  • an aerosol generating device 10000 includes a battery 11000 , a controller 12000 , and a heater 13000 . 2 and 3 , the aerosol generating device 10000 further includes a vaporizer 14000 . Referring to FIG. 4 , the aerosol generating device 10000 further includes an induction coil 13500 . In addition, the aerosol-generating article 20000 may be inserted into the inner space of the aerosol-generating device 10000 . The aerosol-generating device 10000 and the aerosol-generating article 20000 may constitute an aerosol-generating system.
  • the aerosol generating device 10000 shown in FIGS. 1 to 4 includes components related to the present embodiment. Therefore, it can be understood by those of ordinary skill in the art related to this embodiment that other general-purpose components other than those shown in FIGS. 1 to 4 may be further included in the aerosol generating device 10000. .
  • the heater 13000 may be included in the aerosol generating device 10000 in FIGS. 2 and 3 , the heater 13000 may be omitted if necessary.
  • the battery 11000 , the control unit 12000 , and the heater 13000 are illustrated as being arranged in a line.
  • the battery 11000 , the controller 12000 , the vaporizer 14000 , and the heater 13000 are illustrated as being arranged in a line.
  • FIG. 3 shows that the vaporizer 14000 and the heater 13000 are arranged in parallel.
  • FIG. 4 shows that the induction coil 13500 is disposed to surround the heater 13000 .
  • the internal structure of the aerosol generating device 10000 is not limited to that shown in FIGS. 1 to 4 . In other words, according to the design of the aerosol generating device 10000 , the arrangement of the battery 11000 , the controller 12000 , the heater 13000 , the induction coil 13500 , and the vaporizer 14000 may be changed.
  • the aerosol-generating device 10000 When the aerosol-generating article 20000 is inserted into the aerosol-generating device 10000 , the aerosol-generating device 10000 activates the heater 13000 and/or vaporizer 14000 to cause the aerosol-generating article 20000 and/or vapor An aerosol may be generated from the firearm 14000 .
  • the aerosol generated by the heater 13000 and/or vaporizer 14000 passes through the aerosol generating article 20000 and is delivered to the user.
  • the aerosol-generating device 10000 may heat the heater 13000 even when the aerosol-generating article 20000 is not inserted into the aerosol-generating device 10000 .
  • the battery 11000 supplies power used to operate the aerosol generating device 10000 .
  • the battery 11000 may supply power to the heater 13000 or the vaporizer 14000 to be heated, and may supply power required for the controller 12000 to operate.
  • the battery 11000 may supply power required to operate a display, a sensor, a motor, etc. installed in the aerosol generating device 10000 .
  • the controller 12000 controls the overall operation of the aerosol generating device 10000 . Specifically, the controller 12000 controls the operation of the battery 11000 , the heater 13000 , the induction coil 13500 , and the vaporizer 14000 , as well as other components included in the aerosol generating device 10000 . In addition, the controller 12000 may determine whether the aerosol generating device 10000 is in an operable state by checking the state of each of the components of the aerosol generating device 10000 .
  • the controller 12000 includes at least one processor.
  • the processor may be implemented as an array of a plurality of logic gates, or may be implemented as a combination of a general-purpose microprocessor and a memory in which a program executable in the microprocessor is stored. Also, it can be understood by those of ordinary skill in the art to which the present embodiment pertains that the controller 12000 may be implemented with other types of hardware.
  • the heater 13000 may be heated by power supplied from the battery 11000 .
  • the heater 13000 may be heated by a variable magnetic field generated from the induction coil 13500 .
  • the induction coil 13500 may generate a variable magnetic field by the power supplied from the battery 11000 .
  • the heater 13000 when the aerosol-generating article 20000 is inserted into the aerosol-generating device 10000 , the heater 13000 may be positioned inside the aerosol-generating article 20000 . Thus, the heated heater 13000 may be in direct contact with the aerosol-generating material within the aerosol-generating article 20000 and may raise the temperature of the aerosol-generating material.
  • the heater 13000 when an aerosol-generating article 20000 is inserted into an aerosol-generating device 10000 , the heater 13000 may be positioned outside the aerosol-generating article 20000 . Accordingly, heat generated from the heater 13000 may be transferred from the outside of the aerosol-generating article 20000 to the aerosol-generating material therein.
  • the heater 13000 may be an electrically resistive heater.
  • the heater 13000 may include an electrically conductive track, and the heater 13000 may be heated as current flows through the electrically conductive track.
  • the heater 13000 is not limited to the above-described example, and may be applicable without limitation as long as it can be heated to a desired temperature.
  • the desired temperature may be preset in the aerosol generating device 10000, or may be set to a desired temperature by the user.
  • the heater 13000 may be an induction heating type heater.
  • the aerosol-generating device 13000 may further include an induction coil 13500 for heating the aerosol-generating article 20000 in an induction heating manner.
  • the induction coil 13500 may generate a variable magnetic field as power is supplied from the battery 11000
  • the heater 13000 may include a susceptor that is heated as the variable magnetic field passes through.
  • the susceptor may include metal or carbon.
  • the susceptor may include at least one of ferrite, a ferromagnetic alloy, stainless steel, and aluminum.
  • the susceptor is graphite, molybdenum (molybdenum), silicon carbide (silicon carbide), niobium (niobium), a nickel alloy (nickel alloy), a metal film (metal film), ceramic such as zirconia (zirconia), nickel At least one of a transition metal such as (Ni) or cobalt (Co) and a metalloid such as boron (B) or phosphorus (P) may be included.
  • the susceptor included in the heater 13000 is not limited to the above-described example, and as long as it can be heated to a desired temperature as a variable magnetic field is applied, the susceptor may be applied without limitation.
  • the heater 13000 may include a tubular heating element, a plate-shaped heating element, a needle-shaped heating element, or a rod-shaped heating element, which may heat the inside or the outside of the aerosol-generating article 20000 depending on the shape of the heating element.
  • a plurality of heaters 13000 may be disposed in the aerosol generating device 10000 .
  • the plurality of heaters 13000 may be disposed to be inserted into the aerosol-generating article 20000, or may be disposed outside the aerosol-generating article 20000.
  • some of the plurality of heaters 13000 may be disposed to be inserted into the aerosol-generating article 20000 , and the rest may be disposed outside the aerosol-generating article 20000 .
  • the shape of the heater 13000 is not limited to the shape shown in FIGS. 1 to 4 , and may be manufactured in various shapes.
  • Vaporizer 14000 may heat the liquid composition to generate an aerosol, and the generated aerosol may pass through aerosol generating article 20000 and delivered to a user.
  • the aerosol generated by the vaporizer 14000 may move along an airflow path of the aerosol generating device 10000 , and the airflow path allows the aerosol generated by the vaporizer 14000 to pass through the aerosol-generating article to the user It can be configured to be delivered to
  • the vaporizer 14000 may include, but is not limited to, a liquid reservoir, a liquid delivery means, and a heating element.
  • the liquid reservoir, liquid delivery means and heating element may be included in the aerosol generating device 10000 as independent modules.
  • the liquid reservoir may store the liquid composition.
  • the liquid composition may be a liquid comprising a tobacco-containing material comprising a volatile tobacco flavor component, or may be a liquid comprising a non-tobacco material.
  • the liquid storage unit may be manufactured to be detachable/attached from the vaporizer 14000 , or may be manufactured integrally with the vaporizer 14000 .
  • the liquid composition may include water, a solvent, ethanol, a plant extract, a flavoring, flavoring agent, or a vitamin mixture.
  • the fragrance may include, but is not limited to, menthol, peppermint, spearmint oil, various fruit flavoring ingredients, and the like.
  • Flavoring agents may include ingredients capable of providing a user with a variety of flavors or flavors.
  • the vitamin mixture may be a mixture of at least one of vitamin A, vitamin B, vitamin C, and vitamin E, but is not limited thereto.
  • Liquid compositions may also include aerosol formers such as glycerin and propylene glycol.
  • the liquid delivery means may deliver the liquid composition of the liquid reservoir to the heating element.
  • the liquid delivery means may be, but is not limited to, a wick such as cotton fiber, ceramic fiber, glass fiber, or porous ceramic.
  • the heating element is an element for heating the liquid composition delivered by the liquid delivery means.
  • the heating element may be, but is not limited to, a metal heating wire, a metal heating plate, a ceramic heater, or the like.
  • the heating element may be composed of a conductive filament, such as a nichrome wire, and may be arranged to be wound around the liquid delivery means. The heating element may be heated by supplying an electrical current, and may transfer heat to the liquid composition in contact with the heating element, thereby heating the liquid composition. As a result, an aerosol may be generated.
  • the vaporizer 14000 may be referred to as a cartridge, a cartomizer, or an atomizer, but is not limited thereto.
  • the aerosol generating device 10000 may further include general-purpose components in addition to the battery 11000 , the controller 12000 , the heater 13000 , the induction coil 13500 , and the vaporizer 14000 .
  • the aerosol generating device 10000 may include a display capable of outputting visual information and/or a motor for outputting tactile information.
  • the aerosol generating device 10000 may include at least one sensor (a puff detection sensor, a temperature sensor, a cigarette detection sensor, etc.).
  • the aerosol generating device 10000 may be manufactured in a structure in which external air may be introduced or internal gas may flow out even in a state in which the aerosol generating article 20000 is inserted.
  • the aerosol generating device 10000 may constitute a system together with a separate cradle.
  • the cradle may be used to charge the battery 11000 of the aerosol generating device 10000 .
  • the heater 13000 may be heated in a state in which the cradle and the aerosol generating device 10000 are coupled.
  • the aerosol generating article 20000 may be similar to a conventional combustible cigarette.
  • the aerosol-generating article 20000 may be divided into a first part including an aerosol-generating material and a second part including a filter and the like.
  • the second portion of the aerosol-generating article 20000 may also include an aerosol-generating material.
  • an aerosol-generating material made in the form of granules or capsules may be inserted into the second part.
  • the entire first part may be inserted into the aerosol generating device 10000 , and the second part may be exposed to the outside.
  • only a part of the first part may be inserted into the aerosol generating device 10000 , or the whole of the first part and a part of the second part may be inserted.
  • the user may inhale the aerosol while biting the second part with the mouth. At this time, the aerosol is generated by passing the outside air through the first part, and the generated aerosol passes through the second part and is delivered to the user's mouth.
  • external air may be introduced through at least one air passage formed in the aerosol generating device 10000 .
  • the opening and closing of the air passage and/or the size of the air passage formed in the aerosol generating device 10000 may be adjusted by the user. Accordingly, the amount of atomization, the feeling of smoking, and the like can be adjusted by the user.
  • outside air may be introduced into the interior of the aerosol-generating article 20000 through at least one hole formed in the surface of the aerosol-generating article 20000 .
  • FIG. 5 is a diagram illustrating an aerosol-generating article according to an exemplary embodiment.
  • an aerosol generating article 20000 may include an aerosol generating unit 210 , a tobacco medium 220 , a cooling unit 230 , a filter unit 240 , and a wrapper 250 .
  • the first part described above may include an aerosol generating unit 210 and a tobacco medium 220
  • the second part may include a cooling unit 230 and a filter unit 240 .
  • the aerosol generator 210 is disposed upstream of the tobacco medium 220 and may include a sheet of non-tobacco material to which a moisturizing agent is applied.
  • the humectant may correspond to an aerosol generating material.
  • the moisturizer may include, but is not limited to, at least one of glycerin, propylene glycol, ethylene glycol, dipropylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, and oleyl alcohol.
  • the non-tobacco material is a material that is not a tobacco material, and may be a polymer material or a cellulosic material capable of absorbing a moisturizing agent.
  • the sheet of non-tobacco material may be a paper sheet that does not generate off-flavor due to heat even when heated to a high temperature.
  • the present invention is not limited thereto.
  • the aerosol generating unit 210 may include a sheet wrinkled as it is crimped or compressed, and may include a sheet rolled without being crimped.
  • the present invention is not limited thereto, and the aerosol generating unit 210 may include a sheet of non-tobacco material having any suitable shape.
  • the aerosol generator 210 may contain other additive substances such as flavoring agents, wetting agents, and the like.
  • a flavoring liquid such as menthol or a moisturizer may be added by being sprayed on the aerosol generating unit 210 .
  • Tobacco medium 220 may be manufactured from a mixture comprising tobacco powder and thermally conductive powder.
  • the mixture further includes at least one of an additive, a binder, and a humectant, and the tobacco medium 220 may be manufactured by drying the slurry produced by adding water to the mixture to form a sheet and then molding it.
  • the mixture comprises tobacco powder, a thermally conductive metal powder (eg, aluminum), a non-tobacco fiber additive (eg, pulp) and an exogenous binder (eg, guar gum) as solids, and a humectant (eg, glycerin) may be further included.
  • Tobacco medium 220 may be formed in various ways.
  • the tobacco medium 220 may be manufactured as a sheet itself.
  • the tobacco medium 220 may be manufactured as a corrugated sheet as it is crimped or compressed, and may be rolled without being crimped.
  • Tobacco medium 220 may be made of a sheet cut strand (strand), it may be made of cut sheet cut into pieces.
  • the tobacco medium 220 includes a thermally conductive material (eg, thermally conductive powder)
  • heat transfer efficiency in the process of heating the aerosol-generating article 20000 may be increased. Accordingly, an abundant amount of aerosol can be provided to the user, and the time required for warm-up and power consumption of the battery can be reduced.
  • the temperature of the tobacco medium 220 in the process of heating the aerosol-generating article 20000 is the level intended by the preset temperature profile. As it rises higher, excessive heat sensation may be transmitted to the user. Accordingly, the tobacco medium 220 needs to contain a thermally conductive material in an amount that is not too large.
  • an appropriate content of the thermally conductive powder will be described with reference to FIGS. 6 to 8 .
  • 6 to 8 are diagrams related to an experiment for determining an appropriate content of the thermally conductive powder.
  • Aerosol-generating article C comprises a tobacco material part prepared from a mixture consisting of 80% by weight tobacco raw material, 5% by weight pulp, 8% by weight guar gum and 7% by weight glycerin on a dry weight basis. Aerosol-generating article C corresponds to a control that does not contain a thermally conductive powder.
  • the aerosol-generating article A5 is a tobacco material prepared from a mixture consisting of 75% by weight on a dry weight basis of tobacco raw material, 5% by weight of aluminum powder, 5% by weight of pulp, 8% by weight of guar gum and 7% by weight of glycerin. includes wealth.
  • Aerosol-generating article A10 is a tobacco material prepared from a mixture consisting of 70% by weight on a dry weight basis of tobacco raw material, 10% by weight of aluminum powder, 5% by weight of pulp, 8% by weight of guar gum and 7% by weight of glycerin. includes wealth.
  • Aerosol-generating article A15 is a tobacco material prepared from a mixture consisting of 65% by weight on a dry weight basis of tobacco raw material, 15% by weight of aluminum powder, 5% by weight of pulp, 8% by weight of guar gum and 7% by weight of glycerin includes wealth.
  • the aerosol-generating article A20 is a tobacco material prepared from a mixture consisting of, on a dry weight basis, 60% by weight tobacco raw material, 20% by weight aluminum powder, 5% by weight pulp, 8% by weight guar gum and 7% by weight glycerin. includes wealth.
  • Aerosol-generating article C, aerosol-generating article A5, aerosol-generating article A10, aerosol-generating article A15 and aerosol-generating article A20 each have a slurry produced by mixing with water having a weight corresponding to 500, when the weight of the mixture is 100 It includes a tobacco medium prepared from.
  • the heater for heating the aerosol-generating article is heated to 270 degrees for a period of 0 to 40 seconds, heated to 240 degrees for a period of 40 seconds to 60 seconds, and heated to 235 degrees for a period of 60 seconds to 80 seconds, It may be heated to 230 degrees for a period of 80 seconds to 280 seconds.
  • the preset temperature profile may be set such that the target temperature of the end portion of the tobacco medium, which is not in contact with the heater, is 170 degrees or more.
  • aerosol-generating article C, aerosol-generating article A5, aerosol-generating article A10, and aerosol-generating article A15 are temperature controlled to an intended level by a preset temperature profile.
  • the temperature is excessively increased in the initial puff section.
  • the temperature of the tobacco medium is higher than the level intended by the preset temperature profile in the process of heating the aerosol-generating article. As it rises high, it can be seen that excessive heat sensation can be transmitted to the user. Accordingly, it may be preferred that the mixture for preparing the tobacco medium comprises less than 20% by weight of the thermally conductive material.
  • the mixture for making the tobacco medium 220 of the aerosol generating article 20000 according to the present disclosure may comprise less than 20% by weight of the thermally conductive powder on a dry weight basis. Accordingly, while the heat transfer efficiency in the process of heating the aerosol-generating article 20000 is increased, the temperature of the tobacco medium 220 may be controlled to an intended level by the preset temperature profile.
  • the mixture may comprise 30% to 80% by weight of tobacco powder on a dry weight basis, and at least 0.1% but less than 20% by weight of the thermally conductive powder. More specifically, the mixture comprises, on a dry weight basis, 60% to 80% by weight of tobacco powder, at least 5% to less than 20% by weight of thermally conductive powder, from 3% to 7% by weight of additives, from 6% to 10% by weight. % binder, and 5% to 12% by weight of a humectant.
  • the present invention is not necessarily limited thereto, and if the content of the thermally conductive powder is less than 20% by weight, the content of other materials may be appropriately changed.
  • the characteristics of the aerosol generated from the tobacco medium 220 may vary depending on the distribution as well as the content of the thermally conductive powder contained in the tobacco medium 220.
  • a preferred distribution of the thermally conductive powder will be described with reference to FIGS. 9 and 10 .
  • FIGS. 9 and 10 are cross-sectional views for explaining the distribution of the thermally conductive powder in the tobacco medium according to exemplary embodiments.
  • FIG. 9 there is shown an example of a preferred distribution of the thermally conductive powder 910 when the aerosol-generating article is heated by heat transferred from the outside of the tobacco medium 220 .
  • the fact that the aerosol-generating article is heated by heat transmitted from the outside of the tobacco medium 220 may mean that the heater is disposed to surround the outside of the tobacco medium 220 as shown in FIGS. 2 to 4 . have.
  • the temperature of the central region 920 of the tobacco medium 220 is different in the tobacco medium 220 (ie, the central region 920). ) may be lower than the temperature of the region). Accordingly, the aerosol-generating material included in the other region than the central region 920 may be depleted more rapidly.
  • the thermally conductive powder 910 has a higher density the closer to the longitudinal axis of the tobacco medium 220 (ie, the center of the tobacco medium 220 shown in the cross-sectional view of FIG. 9 ). can be distributed. Accordingly, even if the aerosol-generating device used together with the aerosol-generating article includes an external heating type heater, the tobacco medium 220 can be uniformly heated as a whole.
  • the amount of the thermally conductive powder included in the central region 920 of the tobacco medium 220 may be twice or more than the amount of powder included in other regions of the tobacco medium 220 .
  • the present invention is not necessarily limited thereto.
  • the central region 920 may be a region corresponding to half the diameter of the tobacco medium 220 , but is not limited thereto.
  • FIG. 10 an example of a preferred distribution of the thermally conductive powder 1010 is shown when the aerosol generating article is heated by heat transferred from the interior of the tobacco medium 220 .
  • That the aerosol-generating article is heated by heat transferred from the inside of the tobacco medium 220 may mean that the heater is arranged to be inserted into the tobacco medium 220 , as shown in FIG. 1 .
  • the temperature of the central region 1020 of the tobacco medium 220 may be higher than the temperature of other regions in the tobacco medium 220. Accordingly, the aerosol generating material included in the central region 1020 may be depleted more rapidly than other regions.
  • the thermally conductive powder 1010 has a higher density the further away from the longitudinal axis of the tobacco medium 220 (ie, the center of the tobacco medium 220 shown in the cross-sectional view of FIG. 10 ). can be distributed as Accordingly, even if the aerosol-generating device used with the aerosol-generating article includes a heater of an internal heating method, the tobacco medium 220 may be uniformly heated as a whole.
  • the amount of thermally conductive powder 1010 contained in another region of the tobacco medium 220 ie, a region other than the central region 1020
  • It may be more than twice as much as the amount of the thermally conductive powder 1010 to be.
  • the present invention is not necessarily limited thereto.
  • the central region 1020 may be a region corresponding to half the diameter of the tobacco medium 220 , but is not limited thereto.
  • the distribution of the thermally conductive powder included in the tobacco medium 220 is not necessarily limited to the examples of FIGS. 9 and 10 .
  • the thermally conductive powder may be uniformly distributed over the entire area of the tobacco medium 220 .
  • the cooling unit 230 may be disposed downstream of the tobacco medium 220 and cool the aerosol generated from at least one of the aerosol generating unit 210 and the tobacco medium 220 .
  • the cooling unit 230 may be a hollow tube filter or a branch tube filter.
  • the cooling unit 230 is not limited to the above-described example, and as long as it can perform a function of cooling the aerosol, it may be applicable without limitation.
  • the cooling unit 230 may be made of a polymer material or a biodegradable polymer material.
  • the cooling unit 230 may be made of pure polylactic acid, but is not limited thereto.
  • the cooling unit 230 may be made of a cellulose acetate filter having a plurality of holes.
  • the filter unit 240 may be a cellulose acetate filter disposed downstream of the cooling unit 230 .
  • the shape of the filter unit 240 is not limited.
  • the filter unit 240 may be a cylindrical rod, or a tube-type rod including a hollow therein.
  • the filter unit 240 may be a recess type rod. If the filter unit 240 is composed of a plurality of segments, at least one of the plurality of segments may be manufactured in a different shape.
  • the filter unit 240 may be manufactured to generate flavor.
  • the flavoring liquid may be injected into the filter unit 240 , and a separate fiber to which the flavoring liquid is applied may be inserted into the filter unit 240 .
  • the filter unit 240 may include at least one capsule.
  • the capsule may perform a function of generating flavor, or may perform a function of generating an aerosol.
  • the capsule may have a structure in which a liquid containing a fragrance is wrapped with a film.
  • the capsule may have a spherical or cylindrical shape, but is not limited thereto.
  • the aerosol generating article 20000 may be wrapped by a wrapper 250 .
  • At least one hole through which external air flows or internal gas flows may be formed in the wrapper 250 .
  • the wrapper 250 is illustrated as a single wrapper in FIG. 5 , the wrapper 250 may be a combination of a plurality of wrappers.
  • the wrapper 250 may include a thermally conductive wrapper.
  • the wrapper 250 may include an oil-resistant wrapper including a metal layer (eg, aluminum, copper, etc.).
  • the present invention is not necessarily limited thereto.
  • the aerosol-generating article 20000 is illustrated as being composed of four segments in FIG. 5 , the present invention is not limited thereto.
  • the aerosol-generating article 20000 may be composed of a smaller number of segments or a larger number of segments, and at least one segment performing a function other than the cooling unit 230 and the filter unit 240 . may include.

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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)
  • Inorganic Chemistry (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacture Of Tobacco Products (AREA)

Abstract

Selon un mode de réalisation, l'invention concerne un article de génération d'aérosol comprenant une substance de tabac produite à partir d'un mélange constitué de poudre de tabac et de poudre thermoconductrice. Le mélange peut comprendre moins de 20 % en poids de poudre thermoconductrice sur la base du poids sec.
PCT/KR2021/009161 2020-08-04 2021-07-16 Article de génération d'aérosol comprenant un matériau thermoconducteur WO2022030799A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP21798538.1A EP3973793A4 (fr) 2020-08-04 2021-07-16 Article de génération d'aérosol comprenant un matériau thermoconducteur
US17/595,168 US20230292812A1 (en) 2020-08-04 2021-07-16 Aerosol-generating article including thermally conductive material
JP2021563037A JP7359513B2 (ja) 2020-08-04 2021-07-16 熱伝導性物質を含有するエアロゾル生成物品
CN202180004669.6A CN114302654B (zh) 2020-08-04 2021-07-16 气溶胶生成物品以及气溶胶生成系统

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KR1020200097536A KR102560715B1 (ko) 2020-08-04 2020-08-04 열전도성 물질을 포함하는 에어로졸 생성 물품
KR10-2020-0097536 2020-08-04

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KR (1) KR102560715B1 (fr)
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KR102560715B1 (ko) 2023-07-27
KR20220017259A (ko) 2022-02-11
CN114302654A (zh) 2022-04-08
JP2022546790A (ja) 2022-11-09
JP7359513B2 (ja) 2023-10-11
CN114302654B (zh) 2024-03-15
EP3973793A4 (fr) 2022-07-27
EP3973793A1 (fr) 2022-03-30
US20230292812A1 (en) 2023-09-21

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