WO2022222954A1 - Élément de refroidissement pour cigarette sans combustion et cigarette sans combustion - Google Patents

Élément de refroidissement pour cigarette sans combustion et cigarette sans combustion Download PDF

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Publication number
WO2022222954A1
WO2022222954A1 PCT/CN2022/087899 CN2022087899W WO2022222954A1 WO 2022222954 A1 WO2022222954 A1 WO 2022222954A1 CN 2022087899 W CN2022087899 W CN 2022087899W WO 2022222954 A1 WO2022222954 A1 WO 2022222954A1
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WO
WIPO (PCT)
Prior art keywords
cooling element
cooling
fiber layer
polylactic acid
heat
Prior art date
Application number
PCT/CN2022/087899
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English (en)
Chinese (zh)
Inventor
姚建文
唐鹄
吴绍峰
Original Assignee
湖南吉首市民族烟材有限公司
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Application filed by 湖南吉首市民族烟材有限公司 filed Critical 湖南吉首市民族烟材有限公司
Publication of WO2022222954A1 publication Critical patent/WO2022222954A1/fr

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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

Definitions

  • the present application relates to the field of heat-not-burn smoking articles, in particular to a cooling element for heat-not-burn cigarettes and a heat-not-burn cigarette.
  • Heat-not-burn cigarettes belong to a new type of tobacco products, consisting of a smoking section, a cooling section and a filtering section.
  • the smoke aerosol generated by heating at a temperature of 300 ⁇ 50°C is completely wrapped by the heated smoking device, resulting in a higher temperature.
  • the filter section can reach 70°C, which affects the suction taste.
  • many material structures different from traditional cigarettes have been developed and applied.
  • Some cooling and cooling elements in the related art are staggered and stacked with acetate sheets, which are loose and easy to fall off, and need to increase the support structure, which is difficult to form in factories and has low production efficiency. When cigarettes are smoked, continuous polylactic acid will cause significant thermal shrinkage deformation and other problems.
  • the present application provides a cooling element for a heat-not-burn cigarette and a heat-not-burn cigarette to at least partially address the above problems.
  • a cooling element for heating a non-burning cigarette is provided, thereby at least achieving the above objects.
  • the cooling element for heating non-burning cigarettes may be cylindrical as a whole, and the cooling element may include a hollow portion and a cooling material portion circumferentially surrounding the hollow portion;
  • the cooling material portion may include at least two layers arranged in sequence from the inside to the outside, and at least one layer may be an acetate fiber layer, and at least one layer may be a polylactic acid fiber layer.
  • the outer surface of the cooling material portion may be in a corrugated shape or an equilateral triangle.
  • the inner surface of the cooling material portion may be corrugated.
  • the cross section of the hollow portion may be any one of a circle, a triangle, a quadrangle, an ellipse, a pentagram, a heart shape and a gear shape.
  • the cross section of the hollow portion may be circular, and the acetate fiber layer and the polylactic acid fiber layer may be coaxially arranged.
  • the diameter of the hollow portion may be 2.5 mm to 4.2 mm, and the ratio of the thickness of the acetate fiber layer to the polylactic acid fiber layer may be 0.5:1 to 2:1.
  • the diameter of the hollow portion may be 2.5mm, 3mm, 3.5mm, 4mm, 4.2mm, and any value between 2.5mm and 4.2mm
  • the diameter of the acetate fiber layer and the polylactic acid fiber layer is The ratio of thickness can be any value between 0.5:1 to 2:1.
  • the outer surface of the cooling element may be corrugated.
  • the outer surface of the cooling element may be provided with circumferentially wrapped forming paper.
  • the cooling material of the cooling material portion may be uniformly distributed or the fiber weaving density may be gradually changed from the inside to the outside.
  • the cooling material of the cooling material portion may be different in any direction.
  • the area of the cross section of the hollow portion may be 1.75mm 2 to 35mm 2 .
  • the area of the cross section of the hollow portion may be one of 1.75mm 2 , 2mm 2 , 5mm 2 , 10mm 2 , 15mm 2 , 20mm 2 , 25mm 2 , 30mm 2 , 35mm 2 and 1.75mm 2 to 35mm 2 any value in between.
  • cooling element for heating non-combustible cigarettes
  • the cooling element may include a hollow portion and a cooling material portion circumferentially surrounding the hollow portion
  • the cooling material portion may be provided with one or more layers, and each layer may be provided with acetate fibers and polylactic acid fibers crosswise.
  • Some embodiments of the present application provide a heat not burn cigarette that may include the cooling element described.
  • the heat-not-burn cigarette may also include an aerosol-generating substrate and a filter element.
  • the cooling element is obtained by blending acetate fiber and polylactic acid fiber.
  • the beneficial effects of the present application at least include:
  • the cooling element for heating non-combustible cigarettes provided by the present application, the acetate fiber layer and the polylactic acid fiber layer are arranged in layers, so as to improve the stability of the cooling element on the basis of simplifying the structure and ensuring the cooling effect; wherein, the acetate fiber layer It has a supporting effect and can ensure the stability of the cooling element without using a supporting element; the polylactic acid fiber layer undergoes a high temperature phase change to achieve a heat exchange cooling effect; the setting of the hollow part can effectively reduce the filtration efficiency and avoid excessive suction resistance. the user's smoking experience;
  • the cooling element for heating non-burning cigarettes provided by the present application, by interweaving and arranging acetate fiber and polylactic acid fiber, improves the stability of the cooling element on the basis of simplifying the structure and ensuring the cooling effect; wherein, the acetate fiber plays a supporting effect , the stability of the cooling element can be ensured without the use of supporting elements; the polylactic acid fiber undergoes a high temperature phase change to achieve heat exchange cooling effect; the setting of the hollow part can effectively reduce the filtration efficiency and avoid excessive suction resistance affecting consumers' smoking experience sense;
  • the heat-not-burn cigarette provided by the present application has moderate flue gas temperature, small suction resistance and good smoking experience.
  • Example 1 shows a schematic cross-sectional view of the cooling element for heating non-burning cigarettes provided in Example 1;
  • FIG. 2 shows a schematic three-dimensional structure diagram of the cooling element for heating non-burning cigarettes provided in Example 1;
  • Figure 3 shows a schematic cross-sectional view of the cooling element for heating non-burning cigarettes provided in Example 2;
  • Figure 4 shows a schematic cross-sectional view of the cooling element for heating non-burning cigarettes provided in Example 3;
  • Figure 5 shows a schematic cross-sectional view of the cooling element for heating non-burning cigarettes provided in Example 4.
  • Figure 6 shows a schematic cross-sectional view of the cooling element for heating non-burning cigarettes provided in Example 5;
  • Example 7 shows a schematic cross-sectional view of the cooling element for heating non-burning cigarettes provided in Example 6;
  • Example 8 shows a schematic cross-sectional view of the cooling element for heating non-burning cigarettes provided in Example 7;
  • FIG. 9 shows a schematic cross-sectional view of the cooling element for heating non-burning cigarettes provided in Example 8.
  • Figure 10 shows a schematic cross-sectional view of the cooling element for heating non-burning cigarettes provided in Example 9;
  • FIG. 11 shows a schematic three-dimensional structure diagram of the cooling element for heating non-burning cigarettes provided in Example 9;
  • FIG. 12 shows a schematic cross-sectional view of the cooling element for heating non-burning cigarettes provided by Embodiment 10;
  • Figure 13 shows a schematic cross-sectional view of the cooling element for heating non-burning cigarettes provided in Example 11;
  • FIG. 14 shows a schematic cross-sectional view of the cooling element for heating non-burning cigarettes provided in Embodiment 12;
  • FIG. 15 shows a schematic cross-sectional view of the cooling element for heating non-burning cigarettes provided in Example 13;
  • Figure 16 shows a schematic cross-sectional view of the cooling element for heating non-combustion cigarettes provided in Example 14;
  • Figure 17 shows a schematic cross-sectional view of the cooling element for heating non-burning cigarettes provided in Example 15;
  • FIG. 18 shows a schematic cross-sectional view of the cooling element for heating non-burning cigarettes provided in Example 16.
  • 2- cooling material part 20- acetate fiber layer; 21- polylactic acid fiber layer;
  • first and second are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as “first” or “second” may expressly or implicitly include one or more of that feature.
  • plurality means two or more, unless otherwise expressly and specifically defined.
  • the terms “installed”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of the two elements or the interaction relationship between the two elements.
  • installed may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of the two elements or the interaction relationship between the two elements.
  • a first feature "on” or “under” a second feature may be in direct contact with the first and second features, or indirectly through an intermediary between the first and second features touch.
  • the first feature being “above”, “over” and “above” the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature.
  • the first feature being “below”, “below” and “below” the second feature may mean that the first feature is directly or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.
  • the cooling element is a hollow cylindrical shape as a whole, and includes a hollow portion 1 and a cooling material portion 2 from the inside to the outside.
  • the material part 2 wraps the hollow part 1 in the circumferential direction;
  • the cooling material part 2 includes an acetate fiber layer 20 and a polylactic acid fiber layer 21 which are sequentially arranged from the inside to the outside.
  • the cross section of the hollow part 1 is circular, with a diameter of 2.5 mm and an area of 4.9 mm 2 ; the acetate fiber layer 20 and the polylactic acid fiber layer 21 are arranged coaxially, and the ratio of the thickness of the acetate fiber layer 20 to the polylactic acid fiber layer 21 is 1:1.
  • the monofilament density of the tow of the acetate fiber in the acetate fiber layer 20 and the polylactic acid fiber layer 21 can be freely selected in the range of 1dtex to 30dtex, and the cross section of the fiber can be various shapes such as Y type, O type, X type;
  • the bundle bus density can be freely configured as required.
  • the fiber density in the acetate fiber layer 20 and the polylactic acid fiber layer 21 is uniformly set.
  • this embodiment provides a cooling element for heating non-combustible cigarettes.
  • the cooling element is a hollow cylindrical shape as a whole, and includes a hollow portion 1 and a cooling material portion 2 from the inside to the outside, and the cooling material portion 2
  • the hollow part 1 is circumferentially covered;
  • the cooling material part 2 includes a polylactic acid fiber layer 21 and an acetate fiber layer 20 which are sequentially arranged from the inside to the outside.
  • the cross section of the hollow part 1 is circular, with a diameter of 3 mm and an area of 7.1 mm 2 ; the acetate fiber layer 20 and the polylactic acid fiber layer 21 are coaxially arranged, and the ratio of the thickness of the acetate fiber layer 20 to the polylactic acid fiber layer 21 is 2 :1.
  • the fiber density in the acetate fiber layer 20 and the polylactic acid fiber layer 21 varies randomly in any direction.
  • this embodiment provides a cooling element for heating non-combustible cigarettes.
  • the cooling element is a hollow cylindrical shape as a whole, and includes a hollow portion 1 and a cooling material portion 2 from the inside to the outside, and the cooling material portion 2
  • the hollow part 1 is circumferentially covered;
  • the cooling material part 2 includes an acetate fiber layer 20 and a polylactic acid fiber layer 21 which are sequentially arranged from the inside to the outside.
  • the cross section of the hollow part 1 is in the shape of a pentagram, and the area is 10 mm 2 ; the acetate fiber layer 20 and the polylactic acid fiber layer 21 are coaxially arranged.
  • the fiber density in both the acetate fiber layer 20 and the polylactic acid fiber layer 21 gradually increases from the inside to the outside.
  • the area of the hollow portion 1 can be adjusted as required.
  • the present embodiment provides a cooling element for heating non-combustible cigarettes.
  • the cooling element is a hollow cylindrical shape as a whole, and includes a hollow portion 1 and a cooling material portion 2 from the inside to the outside, and the cooling material portion 2
  • the hollow part 1 is circumferentially covered;
  • the cooling material part 2 includes an acetate fiber layer 20 and a polylactic acid fiber layer 21 which are sequentially arranged from the inside to the outside.
  • the cross section of the hollow part 1 is circular, with a diameter of 4.2 mm; the acetate fiber layer 20 and the polylactic acid fiber layer 21 are coaxially arranged, and the ratio of the thickness of the acetate fiber layer 20 to the polylactic acid fiber layer 21 is 0.8:1 (here The thickness ratio referred to is the ratio of the maximum thickness of the two layers).
  • the outer surface of the polylactic acid fiber layer 21 is corrugated.
  • the depth of the corrugation can be set as required.
  • the fiber density in both the acetate fiber layer 20 and the polylactic acid fiber layer 21 gradually decreases from the inside to the outside.
  • a layer of forming paper 3 is wrapped around the outer surface of the cooling element.
  • the cooling element provided in this embodiment differs from the cooling element provided in Embodiment 1 in that the cross section of the hollow portion 1 is an equilateral triangle.
  • the cross section of the hollow portion 1 may be a triangle with other shapes, such as an isosceles triangle.
  • the cooling element provided in this embodiment differs from the cooling element provided in Embodiment 1 in that the cross section of the hollow portion 1 is heart-shaped.
  • the cooling element provided in this embodiment differs from the cooling element provided in Embodiment 1 in that the cross section of the hollow portion 1 is gear-shaped.
  • cooling elements provided in Examples 1-8 can be obtained by bundling acetate fibers and polylactic acid fibers respectively, and then compounding, pressing and slitting using a mold.
  • this embodiment provides a cooling element for heating non-combustible cigarettes, comprising a hollow portion 1 and a cooling material portion 2 , and the cooling material portion 2 circumferentially wraps the hollow portion 1 .
  • the cooling material portion 2 is obtained by interlacing acetate fibers and polylactic acid fibers.
  • the fiber density in the cooling material portion 2 is uniformly set.
  • the fiber density in the cooling material portion 2 may be gradually changed in the diameter direction, or may be different in any direction.
  • the difference from Embodiment 9 is that the cross section of the hollow portion 1 is square.
  • the cross-section of the hollow portion 1 may also be provided in a rectangular shape, a rhombus shape, or the like.
  • the difference from Embodiment 9 is that the cross section of the hollow portion 1 is in the shape of a pentagram.
  • the difference from Embodiment 9 is that the outer surface of the cooling material portion 2 is corrugated.
  • the outer surface of the cooling material portion 2 is provided with a forming paper 3 , and the forming paper 3 covers the entire outer surface of the cooling material portion 2 .
  • the difference from Embodiment 9 is that the outer surface of the cooling material portion 2 is in the shape of an equilateral triangle.
  • the cross section of the hollow portion 1 may be a triangle with other shapes, such as an isosceles triangle.
  • the difference from Embodiment 9 is that the inner surface of the cooling material portion 2 is corrugated.
  • the difference from Embodiment 9 is that the cross-section of the hollow portion 1 is heart-shaped.
  • the shapes of the hollow portion 1 and the cooling material portion 2 are not limited to the shapes listed in the embodiments and the drawings in the specification, and other regular shapes or irregular shapes are acceptable.
  • the shape of the cross-section of the hollow portion 1 needs to consider factors such as the ease of processing and market demand in addition to factors such as the cooling effect and the structural stability of the cooling element.
  • plasticizers such as triacetin, and water-based glues can also be added as required.
  • the weight of the acetate fiber and the polylactic acid fiber is different according to the density requirements, and can preferably be varied in the range of 1:5 to 25:5.
  • This embodiment provides a heat-not-burn cigarette, which is obtained by assembling any one of the cooling elements in Embodiments 1 to 16 together with an aerosol generating substrate and a filter element.
  • the cooling elements for heating non-burning cigarettes provided in Examples 9-17 can be obtained by blending acetate fibers and polylactic acid fibers.
  • Example 1 Using pure acetate fiber (CA) and pure polylactic acid fiber (PLA) as cooling materials, respectively, a cooling element with the same thickness and aperture as in Example 1 was fabricated.
  • CA pure acetate fiber
  • PLA pure polylactic acid fiber
  • Example 1 The cooling elements obtained in Example 1 and Comparative Example were processed into heat-not-burn cigarettes, and then lip temperature tests and collapse deformation tests were performed.
  • the lip temperature test is performed according to the cigarette smoking model specified in the national standard GB/T19609-2004 to simulate smoking, and the Canadian deep smoking mode (HCI) is used. Duration 2s.
  • HCI Canadian deep smoking mode
  • the heat-not-burn cigarettes prepared by the cooling element provided in Example 1 of the present application not only obtained a good cooling effect (low lip temperature), but also obtained good stability ( deformation is small).
  • the endothermic properties of PLA are stronger than that of CA, the glass transition temperature of CA is 185°C and the melting point is 310°C; the glass transition temperature of PLA is 60°C and the melting point is 160°C; but the thermal deformation of PLA is greater than that of CA. Therefore, no matter which material is used alone, it is difficult to achieve a balance between cooling effect and stability.
  • the present application provides a cooling element for a heat-not-burn cigarette and a heat-not-burn cigarette, and relates to the field of heat-not-burn smoking articles.
  • the cooling element is cylindrical as a whole, and the cooling element includes a hollow portion and a cooling material portion circumferentially surrounding the hollow portion; the cooling material portion includes at least two layers arranged in sequence from the inside to the outside, and at least one The layer is an acetate fiber layer, and at least one layer is a polylactic acid fiber layer.
  • a cooling element for heating non-combustible cigarettes is cylindrical as a whole, and the cooling element comprises a hollow part and a cooling material part circumferentially covering the hollow part; the cooling material part is provided with a layer or Multi-layer, each layer is crossed with acetate fiber and polylactic acid fiber.
  • a heat-not-burn cigarette comprising said cooling element.
  • the cooling element for heating non-burning cigarettes provided by the present application has a simple and stable structure, and the obtained heating and non-burning cigarettes has suitable suction resistance and good smoking experience.
  • cooling elements and HNB cigarettes of the present application are reproducible and can be used in a variety of industrial applications.
  • the cooling elements for heat-not-burn cigarettes and heat-not-burn cigarettes of the present application may be used in the technical field of heat-not-burn smoking articles.

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

Abstract

Élément de refroidissement pour cigarette sans combustion et cigarette sans combustion comprenant l'élément de refroidissement. L'élément de refroidissement est généralement cylindrique et comprend une partie creuse (1) et une partie de matériau de refroidissement (2) recouvrant la partie creuse dans une direction circonférentielle, la partie de matériau de refroidissement (2) comprenant au moins deux couches disposées de manière séquentielle de l'intérieur vers l'extérieur, dont au moins une est une couche de fibres d'acétate de cellulose (20), et dont au moins l'une est une couche de fibres d'acide polylactique (21) ; ou la partie de matériau de refroidissement (2) est pourvue d'une ou plusieurs couches, dont chacune est pourvue de fibres d'acétate de cellulose entrelacées et de fibres d'acide polylactique. L'élément de refroidissement configuré en tant que tel a une structure simple et stable, et une cigarette fabriquée sans combustion à chaud a une résistance de vapotage appropriée et une bonne expérience de vapotage.
PCT/CN2022/087899 2021-04-21 2022-04-20 Élément de refroidissement pour cigarette sans combustion et cigarette sans combustion WO2022222954A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202120826116.6 2021-04-21
CN202120826116.6U CN215583157U (zh) 2021-04-21 2021-04-21 用于加热不燃烧烟支的冷却元件和加热不燃烧烟支

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WO2022222954A1 true WO2022222954A1 (fr) 2022-10-27

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN215583157U (zh) * 2021-04-21 2022-01-21 湖南吉首市民族烟材有限公司 用于加热不燃烧烟支的冷却元件和加热不燃烧烟支

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CN112369664A (zh) * 2020-01-16 2021-02-19 湖北中烟工业有限责任公司 一种降温嘴棒及具有该降温嘴棒的加热不燃烧卷烟
CN215583157U (zh) * 2021-04-21 2022-01-21 湖南吉首市民族烟材有限公司 用于加热不燃烧烟支的冷却元件和加热不燃烧烟支

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CN108669663A (zh) * 2018-05-31 2018-10-19 赵雪 一种加热不燃烧卷烟
CN108926032A (zh) * 2018-09-07 2018-12-04 福建中烟工业有限责任公司 一种用于加热非燃烧卷烟的冷却部件
WO2020089093A1 (fr) * 2018-10-29 2020-05-07 Nerudia Limited Consommable sans combustion
CN210158000U (zh) * 2018-12-25 2020-03-20 河南中烟工业有限责任公司 一种具有中空和沟槽结构的加热不燃烧卷烟
CN109730356A (zh) * 2019-03-06 2019-05-10 云南巴菰生物科技有限公司 一种中空异形降温滤棒
WO2020202257A1 (fr) * 2019-03-29 2020-10-08 日本たばこ産業株式会社 Segment de refroidissement, article d'inhalation d'arôme de type à chauffage sans combustion, procédé d'utilisation d'un article d'inhalation d'arôme de type à chauffage sans combustion, et système d'inhalation d'arôme de type à chauffage sans combustion
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CN211153784U (zh) * 2019-08-27 2020-08-04 云南中烟工业有限责任公司 一种具有降温过滤部件的烟支
CN210869847U (zh) * 2019-09-20 2020-06-30 上海方禹机电科技有限公司 一种低温加热不燃烧烟支
CN112369664A (zh) * 2020-01-16 2021-02-19 湖北中烟工业有限责任公司 一种降温嘴棒及具有该降温嘴棒的加热不燃烧卷烟
CN215583157U (zh) * 2021-04-21 2022-01-21 湖南吉首市民族烟材有限公司 用于加热不燃烧烟支的冷却元件和加热不燃烧烟支

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