JP2024029206A - Articles for use in non-combustion aerosol delivery systems - Google Patents

Abstract

An article for use in a non-combustion aerosol delivery system is provided.
An article (1) includes a mouthpiece (2) including a body (6) of material and having an upstream end (2a) and a downstream end (2b). The material body 6 includes a sheet of amorphous solid material. The material body 6 is formed from a collection of single amorphous solid sheet materials. Also featured are a system including such an article 1 and a non-combustion aerosol delivery device for heating the aerosol generating material 3 of the article 1, and a method of manufacturing such an article.
[Selection diagram] Figure 1

Description

The present invention relates to non-combustion aerosol delivery systems including articles and articles for use in non-combustion aerosol delivery systems.

Smoking products such as cigarettes and cigars burn tobacco and produce smoke when used. Other smoking articles produce an inhalable aerosol or vapor by releasing compounds from a substrate without burning. These articles are referred to as non-combustible smoking articles or aerosol delivery systems. Such articles commonly include a mouthpiece that allows the aerosol to pass through and reach the user's mouth.

A first aspect of the invention provides an article for use in a non-combustion aerosol delivery system, the article including a mouthpiece including a body of material, the body of material including an amorphous solid material.

A second aspect of the invention provides an article for use in a non-combustion aerosol delivery system comprising a mouthpiece according to the first aspect of the invention connected to a source of aerosol generating material.

A third aspect of the invention provides a non-combustion aerosol delivery system comprising an article according to the second aspect of the invention and a non-combustion aerosol delivery device.

A fourth aspect of the invention provides a method for forming an article according to the first aspect of the invention.

Embodiments of the invention will now be described, by way of example only, with reference to the accompanying drawings.
1 is a side cross-sectional view of an article including a mouthpiece for use in a non-combustion aerosol delivery device. FIG. FIG. 3 is a side cross-sectional view of another article including a mouthpiece for use in a non-combustion aerosol delivery device. FIG. 3 is a side cross-sectional view of another article including a mouthpiece, in this example including a second hollow member, for use in a non-combustion aerosol delivery device. 1 is a side cross-sectional view of another article including a mouthpiece, in this example including a body made of fibrous material, for use in a non-combustion aerosol delivery device; FIG. FIG. 3 is a side cross-sectional view of another article for use in a non-combustion aerosol delivery device, the article including a capsule-containing mouthpiece. 5a is a cross-sectional view of the capsule-containing mouthpiece shown in FIG. 5a; FIG. 3 is a perspective view of a non-combustion aerosol delivery device for generating aerosol from the aerosol generating material of the articles of FIGS. 1a, 2a and 2b and 3; FIG. Figure 7 shows the device of Figure 6 with the outer cover removed and without the article; FIG. 7 is a side view showing a cross section of a portion of the device of FIG. 6; Figure 7 is an exploded view of the device of Figure 6 with the outer cover omitted; 7 is a cross-sectional view of a portion of the device of FIG. 6; FIG. 10B is an enlarged view of a region of the device of FIG. 10A; FIG. and FIG. 2 is a flow diagram of a method of manufacturing an article for use in a non-combustion aerosol delivery device. 1 is a side view of an apparatus for producing rods of material bodies according to the invention; FIG.

As used herein, the term "delivery system" is intended to encompass a system that supplies at least one substance to a user, including:
Combustion of cigarettes, cigarillos, cigars and pipes or hand-rolled or home-made cigarettes (whether based on tobacco, tobacco derivatives, expanded tobacco, recycled tobacco, tobacco substitutes or other smoking materials); Cigarettes, cigarillos, cigars and pipes or hand-rolled or homemade cigarettes (whether based on tobacco, tobacco derivatives, expanded tobacco, recycled tobacco, tobacco substitutes or other smoking materials) combustion-based aerosol delivery systems, such as
Non-combustible aerosol delivery systems that release compounds from the aerosol-generating material without burning the aerosol-generating material, such as e-cigarettes, tobacco heating products, hybrid systems that use a combination of aerosol-generating materials to generate aerosols, and lozenges and gums. Orally, nasally, orally administering at least one substance containing or not containing nicotine to the user, including but not limited to oral products such as cigarettes, patches, patches, articles containing inhalable powders, and oral cigarettes containing snus or moist snus. aerosol-free delivery systems that are delivered locally, transdermally, or otherwise.

In this disclosure, a "combustion-based" aerosol delivery system is a system that combusts the constituent aerosolizable materials of the aerosol delivery system (or components thereof) to facilitate delivery to the user.

In this disclosure, a "non-combustion-based" aerosol delivery system is defined as a system that does not or does not combust the aerosol-generating material that constitutes the aerosol delivery system (or its components) to facilitate the delivery of at least one substance to a user. It is.

In embodiments described herein, the delivery system is a non-combustion aerosol delivery system, such as an electric non-combustion aerosol delivery system.

It is noted that, in some embodiments, the non-combustible aerosol delivery system is a vaping device or an electronic cigarette, also known as an electronic nicotine delivery system (END), although the presence of nicotine in the aerosol generating material is not a requirement. sea bream.

In some embodiments, the non-combustion aerosol delivery system is an aerosol generator heating system, also known as a non-combustion heating system. An example of such a system is a tobacco heating system.

In some embodiments, the non-combustion aerosol delivery system is a hybrid system that uses a combination of aerosol generating materials to generate aerosol, one or more of which can be heated. Each of the aerosol-generating materials may be in solid, liquid, or gel form, for example, and may or may not contain nicotine. In some embodiments, the hybrid system includes a liquid or gel aerosol generating material and a solid aerosol generating material. Solid aerosol generating materials may include, for example, tobacco or non-tobacco products.

Typically, a non-combustion aerosol delivery system may include a non-combustion aerosol delivery device and consumables for use with the non-combustion aerosol delivery device.

In some embodiments, the present disclosure relates to consumables that include an aerosol-generating material and are configured for use in non-combustion aerosol delivery devices. These consumables are sometimes referred to as articles throughout this disclosure.

In some embodiments, a non-combustion aerosol delivery system, such as the non-combustion aerosol delivery device, may include a power source and a controller. The power source may be, for example, a power source or a heat generating power source. In some embodiments, the exothermic power source includes a carbon substrate that is excited to distribute power in the form of heat to an aerosol generating or thermally conductive material proximate to the exothermic power source.

In some embodiments, a non-combustion aerosol delivery system may include a region for housing consumables, an aerosol generator, an aerosol generation region, a housing, a mouthpiece, a filter, and/or an aerosol modifier. .

In some embodiments, a consumable for use in a non-combustion aerosol delivery system includes an aerosol-generating material, an aerosol-generating material storage region, an aerosol-generating material transfer component, an aerosol generator, an aerosol-generating region; It may include a housing, a wrapper, a filter, a mouthpiece and/or an aerosol modifier.

In some embodiments, the substance provided may be an aerosol-generating material or a material not intended to be aerosolized. Optionally, either material may include one or more active ingredients, one or more flavorants, one or more aerosol formers, and/or one or more other functional materials.

In some embodiments, the substance provided includes an active substance.

Active substances used in the present invention are physiologically active materials, which are materials intended to achieve or enhance a physiological response. The active substance may be selected, for example, from dietary supplements, nootropics, psychotropic drugs. The active substance may be naturally occurring or synthetically obtained. The active substances may include, for example, nicotine, caffeine, taurine, thein, vitamins such as B6 or B12 or C, melatonin, cannabinoids, or components, derivatives or mixtures thereof. The active substance may include one or more components, derivatives or extracts of tobacco, cannabis or other plants.

In some embodiments, the active agent includes nicotine. In some embodiments, the active agent includes caffeine, melatonin or vitamin _B12 .

The active agent as described herein may include or be derived from a plant or a component, derivative or extract thereof. The term "plant" as used herein includes, but is not limited to, any material derived from plants such as extracts, leaves, bark, fibers, stems, roots, seeds, flowers, fruits, pollen, shells, pods, etc. Alternatively, the materials may contain synthetically derived active compounds naturally occurring in plants. The material may be in the form of a liquid, gas, solid, powder, dust, ground particles, grains, pellets, pieces, strips, sheets, etc. Examples of plants include tobacco, eucalyptus, licorice, hemp, cocoa, cannabis, fennel, lemongrass, peppermint, spearmint, rooibos, chamomile, flax, ginger, ginkgo, hazel, hibiscus, bay, licorice, matcha, and yerba mate. Teas such as tea, orange peel, papaya, rose, sage, green or black tea, thyme, cloves, cinnamon, coffee, aniseed (aniseed), basil, bay leaves, cardamom, coriander, cumin, nutmeg, oregano, paprika, Rosemary, saffron, lavender, lemon peel, mint, juniper, elderflower, vanilla, red koji, shiodarium, curcuma, turmeric, sandalwood, cilantro, bergamot, orange blossom, myrtle, blackcurrant, valerian, pimento, mace, damien, There are orangina, olive, lemon balm, lemon basil, chives, fennel, verbena, tarragon, geranium, mulberry, ginseng, theanine, theacrine, maca, ashwagandha, damiana, guarana, chlorophyll, baobab or any combination thereof. The mint may be selected from the following mint species: Mentha, Moroccan Mint, Egyptian Mint, Peppermint, Eau de Cologne Mint, Candy Mint, Curly Mint, Kentucky Kernel Mint, Horse Mint, Pineapple Mint, Pennyroyal Mint, English Spearmint and Malva Mentu .

In some embodiments, the active agent may include or be derived from a plant or one or more of its components, derivatives, or extracts, where the plant is tobacco.

In some embodiments, the active agent may include or be derived from a plant or one or more of its components, derivatives, or extracts, where the plant is selected from eucalyptus, cornucopia, cocoa, and giant hemp. Ru.

Some embodiments may include or be derived from one or more plants or components, derivatives or extracts thereof, where the plants are selected from rooibos and fennel.

In some embodiments the substance includes a flavoring agent.

As used herein, the terms "flavorant" and "flavoring agent" are used as permitted by local regulations to produce a taste, odor, or other somatosensory stimulus desired by an adult consumer. be done. They may be naturally occurring flavoring materials, plants, plant extracts, synthetically obtained materials or combinations thereof (e.g. tobacco, cannabis, licorice, hydrangea, eugenol, magnolia leaf, chamomile, fenugreek). , clove, maple, matcha, menthol, Japanese peppermint, aniseed (aniseed), cinnamon, turmeric, Indian spice, Asian spice, herb, red koji, cherry, berry, red berry, cranberry, peach, apple, orange, mango, clementine, lemon , lime, tropical fruit, papaya, rhubarb, grape, durian, dragon fruit, cucumber, blueberry, mulberry, citrus, Drambuie, bourbon, scotch, whisky, gin, tequila, rum, spearmint, peppermint, lavender, aloe, cardamom, celery. , cascarilla, nutmeg, sandalwood, bergamot, geranium, chat, naswar, betel nut, shisha, pine, honey extract, rose oil, vanilla, lemon oil, orange oil, orange blossom, cherry blossom, cassia, caraway, cognac, jasmine. , ylang-ylang, sage, fennel, horseradish, pimento, ginger, coriander, coffee, giant hemp, peppermint oil from any species of the Mentha genus, eucalyptus, peppermint, cocoa, lemongrass, rooibos, flax, ginkgo, hazel, hibiscus, Bay, yerba mate, orange peel, rose, tea such as green or black tea, thyme, juniper, elderflower, basil, bay leaf, cumin, oregano, paprika, rosemary, saffron, lemon peel, mint, shiogonium, curcuma, cilantro, myrtle, black currant, valerian, pimento, mace, damien, ornaminium, olive, lemon balm, lemon basil, chives, fennel, verbena, tarragon, limonene, thymol, camphene), seasonings, bitter receptor site blockers, Sensory receptor site activators or stimulants, sugars and/or sugar substitutes (e.g. sucralose, acesulfame potassium, aspartame, saccharin, cyclamate, lactose, sucrose, glucose, fructose, sorbitol, mannitol, etc.), charcoal , chlorophyll, minerals, botanicals or other additives such as breath deodorants. They may be mimetics, synthetic or natural ingredients or blends thereof. They may be in any suitable form, for example liquids such as oils, solids such as powders or gases.

In some embodiments, the flavoring agent includes menthol, spearmint, and/or peppermint. In some embodiments, the flavoring agent includes cucumber, blueberry, citrus, and/or red berry flavor components. In some embodiments, the flavoring agent includes eugenol. In some embodiments, the flavorant includes flavor components extracted from tobacco. In some embodiments, the flavoring agent includes flavor components extracted from cannabis.

In some embodiments, the flavorant may include a sensory agent, which is chemically induced and recognized by stimulation of the fifth cranial nerve (trigeminal nerve), in addition to or in place of aroma or taste nerves, and which may include agents that provide heating, cooling, tingling, or numbness. A preferred thermal agent is, but is not limited to, vanillyl ethyl ether, and a preferred coolant is, but is not limited to, eucalyptol, WS-3.

An aerosol-generating material is a material that is capable of generating an aerosol when excited, for example by heating, irradiation or some other method. The aerosol-generating material may be in solid, liquid or gel form, with or without active substances and/or flavorants, for example. In some embodiments, the aerosol-generating material may include an "amorphous solid," alternatively referred to as a "monolithic solid" (ie, non-fibrous). In some embodiments, the amorphous solid may be a dry gel. An amorphous solid is a solid material that retains a fluid, such as a liquid, within it. In some embodiments, the aerosol generating material comprises from about 50 wt%, 60 wt% or 70 wt% amorphous solids to about 90 wt%, 95 wt% or 100 wt% amorphous solids.

The aerosol-generating material may include one or more active substances and/or flavorants, one or more aerosol-forming materials, and optionally one or more other functional materials.

Aerosol-forming materials may include one or more components capable of forming an aerosol. In some embodiments, the aerosol forming agent is glycerin, glycerol, propylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, 1,3-butylene glycol, erythritol, mesoerythritol, ethyl vanillate, ethyl laurate, suberic acid. It may include one or more of diethyl, triethyl citrate, triacetin, diacetin mixtures, benzyl benzoate, benzylphenyl acetate, tributyrin, lauryl acetate, lauric acid, myristic acid, and propylene carbonate. In other embodiments, the aerosol forming agent is one or more polyhydric alcohols such as 1,3-butanediol, esters of polyhydric alcohols such as glycerol mono-, di- or triacetate and/or dimethyl dodecanedioate and tetradecanedioic acid. Includes aliphatic esters of mono-, di- or polycarboxylic acids such as dimethyl.

The one or more functional materials may include one or more of pH regulators, colorants, preservatives, binders, fillers, stabilizers and/or antioxidants.

The forming material may be on or within the support to form the substrate. The support may be or include, for example, paper, cardboard, cardboard, cardboard, recycled materials, plastic materials, ceramic materials, composite materials, glass, metals or metal alloys. In some embodiments, the support includes a susceptor. In some embodiments, the susceptor is embedded in the material. In some alternative embodiments, the susceptor is on one or both sides of the material.

Consumables are articles that contain or consist of an aerosol-generating material, in part or in whole, intended to be consumed by a user during use. The consumable may include one or more other components such as an aerosol generating material storage region, an aerosol generating material transfer member, an aerosol generating region, a housing, a wrapper, a mouthpiece, a filter and/or an aerosol modifier. The consumable may also include an aerosol generator, such as a heater, that radiates heat such that the aerosol generating material generates an aerosol when used. The heater may include, for example, a combustion-based material, a material heatable by electrical conduction, or a susceptor.

A susceptor is a material that can be heated by the introduction of a varying magnetic field, such as an alternating magnetic field. The susceptor may be an electrically conductive material and may cause inductive heating of the heating material through the penetration of a varying magnetic field. The heating material may be an electrically conductive material, and the intrusion of a varying magnetic field may cause magnetic hysteresis heating of the heating material. The susceptor may be both electrically conductive and magnetic, allowing the heating material to be heated by both heating mechanisms. A device configured to generate a varying magnetic field is referred to herein as a magnetic field generator.

An aerosol modifier is a substance typically located downstream of an aerosol generation region and configured to modify the generated aerosol, for example, by changing the taste, flavor, acidity, or other characteristics of the aerosol. The aerosol modifier may be provided within an aerosol modifier release member operable to selectively release the aerosol modifier.

The aerosol modifier may be, for example, an additive or an adsorbent. Aerosol modifiers may include, for example, one or more of flavoring agents, coloring agents, water, and carbon adsorbents. Aerosol modifiers may be solids, liquids or gels, for example. Aerosol modifiers may be powders, threads or granules. The aerosol modifier may be free of filter media.

An aerosol generator is a device configured to generate an aerosol from an aerosol-generating material. In some embodiments, the aerosol generator is a heater configured to expose the aerosol-generating material to thermal energy and emit one or more volatile substances from the aerosol-generating material to form an aerosol. In some embodiments, the aerosol generator is configured to generate an aerosol from an aerosol-generating material without heating. For example, the aerosol generator may be configured to subject the aerosol generating material to one or more of vibration, high pressure, or electrostatic energy.

The aerosol generating material may be a carrier on which an amorphous solid is provided. The carrier functions as a support on which is formed an amorphous solid layer that facilitates manufacturing. The carrier may provide tensile strength to the amorphous solid layer for ease of handling.

The mouthpiece of the article may include an amorphous solid material, preferably in the form of a jumbled sheet of amorphous solid material.

The present invention provides a mouthpiece that includes an amorphous solid material. We have made the surprising discovery that the inclusion of an amorphous solid material in the mouthpiece results in a better aerosol with desirable flavor characteristics and reduced temperature, which improves the user's sensation.

In this case, the amorphous solid material is a gathered, rolled or coiled sheet. In some cases, the sheet may be incorporated into a sheet-like mouthpiece. Alternatively, the sheet may be chopped and incorporated into the mouthpiece.

The aerosol generating material comprising amorphous solids may have any suitable areal density, such as from 30 g/m ² to 120 g/m ² . Optionally the sheet has a mass per unit area of 80 to 120 g/m ² , or about 70 to 110 g/m ² or especially about 90 to 110 g/m ² or preferably about 100 g/m ² .

In some instances, the sheet-like amorphous solid may have a tensile strength of about 200 N/m to about 900 N/m. In some instances, such as where the amorphous solid is free of fillers, the amorphous solid has a tensile strength of 200 N/m to 400 N/m or 200 N/m to 300 N/m or about 250 N/m. Good too.

In some instances, such as where the amorphous solid includes a filler, the amorphous solid has a tensile strength of 600 N/m to 900 N/m or 700 N/m to 900 N/m or about 800 N/m. It may have. Such tensile strength is particularly suitable for embodiments in which the amorphous solid material is contained in the aerosol generating article/assembly in the form of a rolled sheet, preferably a tube.

In some cases, the carrier layer may be substantially or completely impermeable to gases and/or aerosols. This prevents the aerosol or gas from passing through the carrier, controlling the flow and ensuring a good supply to the user.

The carrier may be any suitable material that can be used to support an amorphous solid. Optionally the carrier may be formed from a material selected from metal foil, paper, carbon paper, oilproof paper, ceramic, carbon allotropes such as graphite and graphene, plastic, cardboard, wood or combinations thereof. . In some cases, the carrier may include or consist of tobacco material, such as sheets of recycled tobacco. Optionally the carrier may be formed from a material selected from metal foil, paper, cardboard, wood or combinations thereof. Optionally, the carrier may also be a layered structure comprising layers of materials selected from the examples above. In some cases the carrier may function as a flavor carrier. For example, the carrier may be impregnated with flavorants or tobacco extract.

Optionally, the surface of the carrier that comes into contact with the amorphous solid may be porous. For example, in some cases the carrier includes paper. The inventors have discovered that porous carriers such as paper are particularly suitable for the present invention, the porous (paper) layer abutting and strongly adhering to the solid layer. Amorphous solids are formed by drying the gel, and without being limited by any theory, the slurry from which the gel is formed is such that the carrier partially binds to the gel as the gel hardens and forms crosslinks. It is believed that some of the material impregnates the porous carrier (eg, paper) so that the This creates a strong bond between the gel and the carrier (and between the dried gel and the carrier).

In addition, surface roughness contributes to the strength of the bond between the amorphous solid and the carrier. The inventor has determined that the roughness of the paper (on the surface in contact with the carrier) is within the range of 50 to 1000 Beck seconds, preferably 50 to 150 Beck seconds, and more preferably 100 Beck seconds (50. (measured at air pressure intervals from 66 to 48.00 kPa). (Beck Smoothness Tester is a device used to measure the smoothness of a paper surface where at a certain pressure air leaks between a smooth glass surface and a paper sample, and between these surfaces The time (in seconds) for a given amount of air to bleed out is the "Beck smoothness.") In other cases, laminates of paper and greaseproof paper have been found to be particularly useful in the present invention. The paper layer abuts the amorphous solid and the sticky amorphous solid does not easily adhere to the greaseproof paper carrier backing.

Optionally, the carrier has a thickness of about 0.010 mm to about 2.0 mm, preferably about 0.015 mm, 0.02 mm, 0.05 mm or 0.1 mm to about 1.5 mm, 1.0 mm or 0.5 mm. It has a certain quality.

Optionally, the amorphous solid layer is about 0.015 mm to about 1.5 mm, preferably about 0.0 mm.
It has a thickness of 5 mm to about 1.5 mm or 0.05 mm to about 1.0 mm. Suitably the thickness may range from about 0.1 mm or 0.15 mm to about 1 mm, 0.5 mm or 0.3 mm. Amorphous solids may include more than one layer, and the thicknesses mentioned herein refer to the total thickness of these layers.

The thickness specified herein is the average thickness of the material. In some cases, the thickness of the amorphous solid may vary within 25%, 20%, 15%, 10%, 5% or 1%.

Optionally, the amorphous solid may contain 1 to 60 wt% gelling agent, these weights being calculated on a dry weight basis.

Preferably, the amorphous solid comprises about 1 wt%, 5 wt%, 10 wt%, 15 wt%, 20 wt% or 25 wt% to about 60 wt%, 50 wt%, 45 wt%, 40 wt%, 35 wt%, 30 wt% or 27 wt%. A gelling agent may also be included (all calculated on a dry weight basis). For example, the amorphous solid may include 1-50 wt%, 5-40 wt%, 10-30 wt% or 15-27 wt% gelling agent.

The gelling agent may include one or more compounds selected from cellulosic gelling agents, non-cellulosic gelling agents, guar gum, gum acacia, and mixtures thereof.

In some embodiments, the cellulosic gelling agent is hydroxymethylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, carboxymethylcellulose (CMC), hydroxypropylmethylcellulose (HPMC), methylcellulose, ethylcellulose, cellulose acetate (CA), cellulose acetate butyrate. (CAB), cellulose acetate propionate (CAP), and combinations thereof.

In some embodiments, the gelling agent comprises (or is) one or more of hydroxyethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose (HPMC), carboxymethylcellulose, guar gum, or gum acacia.

In some embodiments, the gelling agent comprises one or more non-cellulosic gelling agents including agar, xanthan gum, gum arabic, guar gum, carob gum, pectin, carrageenan, starch, alginate, and combinations thereof. (or is), but is not limited to these. In preferred embodiments, the non-cellulosic gelling agent is alginate or agar.

In some embodiments, the gelling agent includes a hydrocolloid. In some embodiments, the gelling agent is selected from alginates, pectins, starches (and derivatives), celluloses (and derivatives), gums, silica or silicone compounds, clays, polyvinyl alcohol, and combinations thereof. Contains one or more compounds. For example, in some embodiments, gelling agents include alginates, pectins, hydroxyethylcellulose, hydroxypropylcellulose, carboxymethylcellulose, pullulan, xanthan gum, guar gum, carrageenan, agarose, gum acacia, fumed silica, PDMS, sodium silicate, Contains one or more of kaolin and polyvinyl alcohol. Optionally, the gelling agent includes alginate and/or pectin, which may be mixed with a hardening agent (such as a calcium source) during formation of the amorphous solid. Optionally, the amorphous solid may include calcium crosslinked alginate and/or calcium crosslinked pectin.

In some embodiments, the gelling agent comprises an alginate, and the alginate is included in the amorphous solid in an amount of 10 to 30 wt% (calculated on a dry weight basis) of the amorphous solid. In some embodiments, alginate is the only gelling agent included in the amorphous solid. In other embodiments, the gelling agent comprises alginate and at least one additional gelling agent, such as pectin.

In some embodiments, the amorphous solid may include a gelling agent that includes carrageenan.

Suitably, the amorphous solid is about 0.1 wt%, 0.5 wt%, 1 wt%, 3 wt%, 5 wt%, 7 wt% or 10% to about 50 wt%, 45 wt%, 40 wt%, 35 wt%, 30 wt% or 25 wt% (all calculated on a dry weight basis) of an aerosol generator. Aerosol generators may also act as plasticizers. For example, an amorphous solid is 0.5
-40 wt%, 3-35 wt% or 10-25 wt% of an aerosol generator. Optionally, the aerosol generator includes one or more compounds selected from erythritol, propylene glycol, glycerol, triacetin, sorbitol, and xylitol. In some cases, the aerosol generating agent comprises, consists essentially of, or consists of glycerol. The inventors have determined that too high a content of plasticizer causes the amorphous solid to absorb water, resulting in a material that does not provide a suitable consumption experience during use. The inventor has determined that if the content of plasticizer is too low, the amorphous solid becomes brittle and prone to breakage. The amount of plasticizer specified herein provides flexibility to the amorphous solid, allowing the amorphous solid sheet to be wound onto bobbins useful in the manufacture of aerosol-generating articles.

The amorphous solid may also include flavoring agents. In some cases, the amorphous solid may include up to about 80 wt%, 70 wt%, 60 wt%, 55 wt%, 50 wt% or 45 wt% flavoring agent. Optionally, the amorphous solid may include at least about 0.1 wt%, 1 wt%, 10 wt%, 20 wt%, 30 wt%, 35 wt% or 40 wt% (all calculated on a dry weight basis) of a flavoring agent. . For example, the amorphous solid may include 1-80 wt%, 10-80 wt%, 20-70 wt%, 30-60 wt%, 35-55 wt% or 30-45 wt% flavoring agent. In some cases, the flavoring agent comprises, consists essentially of, or consists of menthol.

The amorphous solid may also include a colorant. The appearance of the amorphous solid may be changed by adding colorants. The presence of a colorant in the amorphous solid may enhance the appearance of the amorphous solid and the aerosol generating material. A coloring agent may be added to the amorphous solid to match the color of the amorphous solid to other components of the aerosol generating material or article containing the amorphous solid.

Various colorants may be used depending on the desired color of the amorphous solid. The color of the amorphous solid may be, for example, white, green, red, purple, blue or black. Other colors are also envisioned. Natural or synthetic colorants may be used, such as natural or synthetic dyes, food grade colorants and pharmaceutical grade colorants. In certain embodiments, the colorant is a caramel that gives the amorphous solid a brown appearance. In such embodiments, the color of the amorphous solid may be similar to the color of other components in the aerosol generating material (such as tobacco material) that include the amorphous solid. In some embodiments, a colorant is added to the amorphous solid to allow visual differentiation of other components of the aerosol-generating material.

The colorant may be incorporated during the formation of the amorphous solid (e.g., during the formation of a slurry containing the material forming the amorphous solid) or applied to the amorphous solid after it has been formed. (e.g. by spraying onto amorphous solids).

Optionally, the amorphous solid may additionally contain an emulsifier that emulsifies the molten flavoring agent during manufacture. For example, the amorphous solid may contain from about 5 wt% to about 15 wt%, preferably about 10 wt% (calculated on a dry weight basis) of emulsifier. The emulsifier may include gum acacia.

In some embodiments, the amorphous solid is a hydrogel and contains less than about 20 wt% water calculated on a wet weight basis. In some cases, the hydrogel may contain less than about 15 wt%, 12 wt%, or 10 wt% water, calculated on a wet weight basis. In some cases, the hydrogel may include at least about 1 wt%, 2 wt%, or at least about 5 wt% water.

The amorphous solid may include an acid. The acid may be an organic acid. In some of these embodiments, the acid may be at least one of a monobasic acid, a dibasic acid, and a tribasic acid. In some such embodiments, the acid may include at least one carboxylic acid functionality. In some such embodiments, the acid may be at least one of an alpha-hydroxy acid, a carboxylic acid, a dicarboxylic acid, a tricarboxylic acid, and a keto acid. In some such embodiments, the acid may be an alpha-keto acid.

In some such embodiments, the acids include succinic acid, lactic acid, benzoic acid, citric acid, tartaric acid, fumaric acid, levulinic acid, acetic acid, malic acid, formic acid, sorbic acid, benzoic acid, propanoic acid, and pyruvic acid. It may be at least one of them.

A preferred acid is lactic acid. In other embodiments, the acid is benzoic acid. In other embodiments, the acid may be an inorganic acid. In some of these embodiments, the acid may be a mineral acid. In some such embodiments, the acid may be at least one of sulfuric acid, hydrochloric acid, boric acid, and phosphoric acid. In some embodiments the acid is levulinic acid.

In certain embodiments, the amorphous solid comprises a gelling agent that includes a cellulosic gelling agent and/or a non-cellulosic gelling agent, an active agent, and an acid.

In some embodiments, the amorphous solid additionally includes an active agent. For example, in some cases the amorphous solid additionally contains tobacco material and/or nicotine. Optionally, the amorphous solid may contain 5 to 60 wt% (calculated on a dry weight basis) tobacco material and/or nicotine. In some cases, the amorphous solid is from about 1 wt%, 5 wt%, 10 wt%, 15 wt%, 20 wt% or 25 wt% to about 70 wt%, 60 wt%, 50 wt%, 45 wt%, 40 wt%, 35 wt% or 30 wt% ( (calculated on a dry weight basis) of active substance. In some cases, the amorphous solid is from about 1 wt%, 5 wt%, 10 wt%, 15 wt%, 20 wt% or 25 wt% to about 70 wt%, 60 wt%, 50 wt%, 45 wt%, 40 wt%, 35 wt% or 30 wt% ( (calculated on a dry weight basis) of tobacco material. For example, the amorphous solid may include 10-50 wt%, 15-40 wt% or 20-35 wt% tobacco material. Optionally, the amorphous solid may comprise from about 1 wt%, 2 wt%, 3 wt% or 4 wt% to about 20 wt%, 18 wt%, 15 wt% or 12 wt% (calculated on a dry weight basis) nicotine. For example, the amorphous solid may contain 1-20 wt%, 2-18 wt% or 3-12 wt% nicotine.

In some cases the amorphous solid contains an active substance such as tobacco extract. Optionally, the amorphous solid may contain 5 to 60 wt% (calculated on a dry weight basis) tobacco extract. In some cases, the amorphous solids range from about 5 wt%, 10 wt%, 15 wt%, 20 wt% or 25 wt% to about 60 wt%, 50 wt%, 45 wt% or 40 wt%, 35 wt% or 30 wt% (calculated on a dry weight basis). It may also contain tobacco extracts. For example, the amorphous solid may contain 10-50 wt%, 14-40 wt% or 20-35 wt% tobacco extract. Tobacco extract contains 1 wt%, 1.5 wt%, 2 wt% or 2.5 wt% to about 6 wt%, 5 wt%, 4.5 wt% or 4 wt% (calculated on a dry weight basis) of nicotine in amorphous solids. It may contain nicotine at a concentration including. There is no amorphous solid form of nicotine other than that obtained from tobacco extracts in some cases.

In some embodiments, the amorphous solid does not contain tobacco material, but does contain nicotine. In some such cases, the amorphous solid comprises about 1 wt%, 2 wt%, 3 wt% or 4 wt% to about 20 wt%, 18 wt%, 15 wt% or 12 wt% (calculated on a dry weight basis). May contain nicotine. For example, the amorphous solid may contain 1-20 wt%, 2-18 wt% or 3-12 wt% nicotine.

In some cases, the total active agent and flavoring content may be at least about 0.1 wt%, 1 wt%, 5 wt%, 10 wt%, 20 wt%, 25 wt% or 30 wt%. In some cases, the total active substance and flavoring content may be less than about 90 wt%, 80 wt%, 70 wt%, 60 wt%, 50 wt% or 40 wt% (all calculated on a dry weight basis).

In some cases, the total tobacco material, nicotine, and flavoring content may be at least about 0.1 wt%, 1 wt%, 5 wt%, 10 wt%, 20 wt%, 25 wt%, or 30 wt%. In some cases, the total content of active substances and/or flavorants may be less than about 90 wt%, 80 wt%, 70 wt%, 60 wt%, 50 wt% or 40 wt% (all calculated on a dry weight basis) .

Amorphous solids may be made from gels, which may additionally contain solvents contained from 0.1 to 50 wt%. However, the present inventor has confirmed that the inclusion of a solvent in which the flavoring agent is soluble reduces the stability of the gel, causing the flavoring agent to crystallize and come out of the gel. Therefore, in some cases the gel does not contain a solvent in which the flavorant is dissolved.

In some embodiments, the amorphous solid comprises less than 60 wt% filler, such as 1 wt% to 60 wt% or 5 wt% to 50 wt% or 5 wt% to 30 wt% or 10 wt% to 20 wt%.

In other embodiments, the amorphous solid contains less than 20 wt%, preferably less than 10 wt% or less than 5 wt% filler. In some cases, the amorphous solid contains less than 1 wt% filler, and in some cases it contains no filler.

If included, the filler may include one or more of suitable inorganic adsorbents such as calcium carbonate, perlite, vermiculite, diatomaceous earth, colloidal silica, magnesium oxide, magnesium sulfate, magnesium carbonate, and molecular sieves. The filler may include one or more organic fillers such as wood pulp, cellulose and cellulose derivatives. In some cases, the amorphous solid contains less than 1 wt% filler, and in some cases it contains no filler. In particular, in some cases amorphous solids include calcium carbonate, such as chalk.

In certain embodiments that include fillers, the fillers are fibrous. For example, the filler may be a fibrous filler such as wood pulp, hemp fiber, cellulose or cellulose derivatives. Without wishing to be bound by any theory, it has been determined that the inclusion of fibrous fillers in amorphous solids increases the tensile strength of the material. This is particularly advantageous since the increased tensile strength makes it less likely that defects will be introduced into the amorphous solid during manufacturing.

In some embodiments, the amorphous solid does not include tobacco fibers. In certain embodiments, the amorphous solid is free of fibrous material.

In some embodiments, the aerosol generating material does not include tobacco fibers. In certain embodiments, the aerosol-generating material is fibrous-free.

Optionally, the amorphous solid consists essentially of or consists of a gelling agent, an aerosol generator, water and optionally a flavoring agent and/or a tobacco material and/or a nicotine source.

In some cases the amorphous solid consists essentially of or consists of a gelling agent, water, an aerosol generator and optionally a flavoring agent and/or an active substance.

Induction heating is the process of heating a conductive object by penetrating the object with a varying magnetic field. This process is explained by Faraday's law of electromagnetic induction and Ohm's law. An induction heater can include an electromagnet and a device for passing a fluctuating current, such as an alternating current, through the electromagnet. When the object to be heated and the electromagnet are placed in suitable relative positions such that the fluctuating magnetic field produced by the electromagnet penetrates the object, one or more eddy currents are generated within the object. This object has resistance to the flow of electric current. Therefore, when such eddy currents are generated within the object, the eddy currents flow against the electrical resistance of the object, thereby heating the object. This process is called Joule heating, ohmic heating, or resistance heating. Objects that can be inductively heated are known as susceptors.

In one embodiment, the susceptor is in the form of a closed circuit. It has been found that when the susceptor is in a closed circuit configuration, the magnetic coupling between the susceptor and the electromagnet during use is stronger, resulting in increased or improved Joule heating.

Magnetic hysteresis heating is a process in which an object made of magnetic material is heated by the penetration of a varying magnetic field into the object. Magnetic materials can be thought of as containing many atomic-scale magnets, or magnetic dipoles. When a magnetic field penetrates such a material, the magnetic dipoles align along with the magnetic field. Thus, when an alternating magnetic field, for example a varying magnetic field such as that produced by an electromagnet, penetrates the magnetic material, the orientation of the magnetic dipole changes in response to the applied varying magnetic field. This reorientation of the magnetic dipoles generates heat within the magnetic material.

When an object is both electrically conductive and magnetic, penetrating the object with a varying magnetic field can cause it to undergo both Joule heating and magnetic hysteresis heating. Additionally, the use of magnetic materials allows for stronger varying magnetic fields, thereby increasing Joule heating.

In each of the above processes, heat is generated within the object itself rather than being generated by conduction by an external heat source, thus achieving a rapid temperature rise and a more uniform heat distribution within the object. can. This can be achieved, in particular, by suitably choosing the material and geometry of the object and by suitably choosing the magnitude and orientation of the varying magnetic field relative to that body. In addition, induction heating and magnetic hysteresis heating do not require a physical connection between the source of the fluctuating magnetic field and the object, increasing design flexibility and control over heating profiles, and reducing costs. can.

Articles, such as rod-shaped articles, are often named according to the length of the product: "Standard" (typically 68-75mm, e.g. from about 68mm to about 72mm), "short" or "mini" (less than 68mm), "king size" (usually from 75-91mm, e.g. from about 79mm to about 88mm) range), "long" or "superking" (typically ranging from 91 to 105 mm, such as from about 94 mm to about 101 mm), and "super long" (typically ranging from about 110 mm to about 121 mm).

They are also named according to the circumference of the tobacco: "Standard" (approximately 23 to 25 mm), "Wide" (over 25 mm), "Slim" (approximately 22 to 23 mm), "Demi Slim" (approximately 19 to 22 mm), "Super Slim" (approximately 16 to 19 mm), "Micro Slim" (less than approximately 16mm).

Therefore, a king size ultra-slim standard cigarette has a length of about 83 mm and a circumference of about 17 mm, for example.

Each format may be provided with mouthpieces of different lengths. The length of the mouthpiece is approximately 30 mm to 50 mm. The tipping paper connects the mouthpiece to the aerosol-generating material and is typically longer than the mouthpiece, e.g. 3 to 10 mm in length, so that the tipping paper covers the mouthpiece and the aerosol-generating material, e.g. in the form of a rod made of a substrate. and connect the mouthpiece to the rod.

The articles, aerosol generating materials, and mouthpieces described herein can be made in any of the formats described above, but are not limited to these.

As used herein, the terms "upstream" and "downstream" are relative terms defined with respect to the direction of mainstream smoke aerosol generating material being drawn through the article or device in use.

The filamentary tow materials described herein may include cellulose acetate fiber tow. Filamentary tow materials include polyvinyl alcohol (PVOH), polylactic acid (PLA), polycaprolactone (PCL), poly(1,4-butanediol succinate) (PBS), and poly(butylene adipate-co-terephthalate). Other materials used to form fibers such as (PBAT), starch-based materials, paper, aliphatic polyester materials and polysaccharide polymers or combinations thereof may also be used. The filamentary tow material may be plasticized with a plasticizer suitable for the filter material, such as triacetin, or may be unplasticized when the filter material is cellulose acetate tow. The tow may have other cross-sections such as a "Y" shape or an "X" shape, a fiber denier value of 2.5 to 15, such as 8.0 to 11.0, and a fiber denier of 5. Any suitable specification can be used, such as fibers having a total fineness value of 000 to 50,000, such as 10,000 to 40,000.

As used herein, the term "tobacco material" means any material containing tobacco or its derivatives or substitutes. The term "tobacco material" may include one or more of tobacco, tobacco derivatives, expanded tobacco, recycled tobacco or tobacco substitutes. The tobacco material may include one or more of powdered tobacco, tobacco fibers, shredded tobacco, extruded tobacco, tobacco petioles, recycled tobacco, and/or tobacco extracts.

The same reference numerals are used herein to refer to equivalent features, articles or elements in the drawings.

FIG. 1 is a side cross-sectional view of an article 1 for use in a non-combustion aerosol delivery device. As shown in Figure 1, the article includes a mouthpiece 2 having an upstream end 2a and a downstream end 2b. The mouthpiece 2 includes a material body 6 comprising a sheet of amorphous solid material. In this example, the amorphous solid material is brought together and wrapped around a first plug wrapper 7 to form a substantially cylindrical body 6 of material. In this example, the material body 6 is formed from a jumbled sheet of a single amorphous solid sheet material. However, in another embodiment the sheet of amorphous solid material may be cut into strips before being assembled to form the body 6 of material.

In the embodiment shown in FIG. 1, the article comprises a mouthpiece 2 and further comprises an aerosol-generating material 3, in this example a cylindrical rod of tobacco material, connected to the mouthpiece 2. The upstream end 2a of the mouthpiece is located adjacent to the aerosol-generating material, and the downstream end 2b of the mouthpiece 2 is located distally from the rod of the aerosol-generating material 3.

The present invention has discovered that providing the mouthpiece with a body of amorphous solid material has the advantage of providing a cooling effect to the aerosol as it is drawn through the mouthpiece during use. Without wishing to be bound by any theory, it is believed that the heat transferred from the aerosol to the amorphous solid material as it passes through the material body 6 aerosolizes components of the amorphous solid material, resulting in It is assumed that this will cool the aerosol and advantageously modify the flavor of the aerosol passing through the mouthpiece if necessary. This configuration alleviates the traditional problem with smoking articles of the aerosol becoming too hot when it reaches the consumer's lips, and also provides a means to add additional flavor to the aerosol without complicating manufacturing. You can also do that.

In this example, the length of the amorphous solid material body 6 is 40 mm.

The body may be formed using methods known to those skilled in the art for manufacturing smoking article paper filters. In this example, the amorphous solid material body 6 is formed from a single assembled sheet of amorphous solid material. In another embodiment, the body of material 6 may be formed from a single sheet of material that is cut into pieces before being assembled to form two or more sheets or bodies of amorphous solid material. In this case, the amorphous solid material comprises a single layer and is not laminated to a carrier material. In other embodiments, the amorphous solid material may be laminated to a carrier material, such as paper or foil, and the laminated amorphous solid material is bonded to a body by any of the methods described herein. May be used to form.

In this case, the thickness of the amorphous solid material is 0.09 mm. In alternative embodiments, the amorphous solid material may have any suitable thickness as described herein. Preferably the thickness of the amorphous solid material is between 0.05 mm and 0.2 mm. Preferably, in any of the embodiments described herein, the thickness of the amorphous solid layer is about 50 μm to about 200 μm or about 50 μm to about 100 μm or about 60 μm to about 90 μm, preferably about 77 μm. be.

The density of the material body 6 is determined by dividing the total weight of the material body 6 by the total volume of the material body 6, the total volume being calculated using a suitable measurement of the material body 6, for example using calipers. be able to. Appropriate dimensions may be measured using a microscope if necessary. In this case, the density of the material body is 0.51×10 ⁻³ g/mm ³ . In other embodiments, the density of the material body is between 0.1×10 ⁻³ g/mm ³ and 1×10 ⁻³ g/mm ³ .

The body of material 6 is wrapped in a first plug wrapper 7. Preferably the first plug wrapper 7 has a basis weight of less than 50 gsm, more preferably between about 20 gsm and 40 gsm. Preferably, the first plug wrapper 7 has a thickness of 30 μm to 60 μm, more preferably 35 μm to 45 μm. Preferably the first plug wrapper 7 is a non-porous plug wrapper having an air permeability of, for example, less than 100 Coresta units, such as less than 50 Coresta units. However, in other embodiments, the first plug wrapper 7 may be a porous plug wrapper with an air permeability of, for example, greater than 200 Coresta units.

FIG. 2 is a side cross-sectional view of an article 1' including a mouthpiece 2' for use in a non-combustible aerosol delivery device. The article 1' comprises a body 6 of material similar to that described with reference to Figure 1, except that the length of the body 6 is 10 mm. In addition to the body 6 of material, the mouthpiece 2' includes a hollow tubular member 8 and a body 4 of textile material. In the embodiment shown in Figure 2, the article 1' further comprises a rod 3 of aerosol-generating material connected to the upstream end 2' of the mouthpiece 2' opposite the downstream end 2' of the mouthpiece 2'.

Preferably the length of the body of material 6 is less than about 15 mm. More preferably the length of the body of material 6 is less than about 10 mm. Additionally or alternatively, the length of the body of material 6 is at least about 5 mm. Preferably the length of the material body 6 is at least about 6 mm. In some preferred embodiments, the length of the body of material 6 is about 5 mm to about 15 mm, more preferably about 6 mm to about 12 mm, even more preferably about 6 mm to about 12 mm, most preferably about 6 mm, 7 mm, 8 mm, It is 9mm or 10mm. In this example, the length of the material body 6 is 10 mm.

The pressure drop or pressure differential (also referred to as suction resistance) in the portion of the article 1 downstream of the mouthpiece, e.g. the aerosol generating material 3, is preferably less than about 40 mm _H2O . It has been found that such a pressure drop allows sufficient aerosol, including flavor compounds, etc., to be transferred through the mouthpiece 2 to the consumer. More preferably the pressure drop in the mouthpiece 2 is less than about 32 mm _H2O . In some embodiments, aerosols are particularly improved by using a mouthpiece 2 with a pressure drop of less than 31 mm _H2O , such as about 29 mm _H2O , about 28 mm _H2O , or about 27.5 mm _H2O . Alternatively or additionally, the mouthpiece pressure drop is at least 10 mm _H2O , preferably at least 15 mm _H2O and more preferably at least 20 mm _H2O . In some embodiments, the mouthpiece pressure drop may be about 15 mm H ₂ O to 40 mm H ₂ O. These values cause the mouthpiece 2 to slow down the aerosol as it passes through the mouthpiece 2, so that the temperature of the aerosol has time to drop before reaching the downstream end 2b of the mouthpiece 2.

The pressure drop or pressure difference across the body of material is preferably between 0.01 mm H ₂ O and 100 mm H ₂ O. In some embodiments, the pressure drop across the body of material is less than about 50 mm _H2O , less than about 45 mm _H2O , or less than about 30 mm _H2O .

In this example, the material body 6 is located downstream adjacent to and abutting the hollow tubular member 8, also referred to as the cooling member. The hollow tubular member 8 is formed from a plurality of paper layers that are wound in parallel to form the tubular member 8 with joined seams. In this example, the first and second paper layers are provided in a double tube, but in other examples, three, four or more layers may be used to create triple, quadruple or more stacked tubes. may be formed. Other structures may also be used, such as spirally wound paper layers, cardboard tubes, tubes formed using a mixed paper mold process, molded or extruded plastic tubes, or the like.

The hollow tubular member 8 may be formed using a stiff plug wrapper and/or tipping paper as the third plug wrapper 11 and/or tipping paper 5, which will be described in detail below, which separates the separate tubular member. It means you don't need it. The stiff plug wrapper and/or tipping paper is manufactured to have sufficient stiffness to withstand the axial compressive forces and bending moments that will occur during manufacture and during use of article 1'. For example, the rigid plug wrapper and/or tipping paper may have a basis weight of 70 gsm to 120 gsm, more preferably 80 gsm to 110 gsm. Additionally or alternatively, the rigid plug wrapper and/or tipping paper may have a thickness of 80 μm to 200 μm, more preferably 100 μm to 160 μm or 120 μm to 150 μm. It is desirable to have values in these ranges in order to achieve an acceptable overall level of stiffness for the hollow tubular member 8 in both the third plug wrapper 11 and the tipping paper 5.

The hollow tubular member 8 has a diameter of at least about 100 μm and no more than about 1.5 mm, preferably from 100 μm to 1 mm and more preferably from 150 μm, as measured using e.g. calipers.
It preferably has a wall thickness of 500 μm or about 300 μm. In this example, the hollow tubular member 8 has a wall thickness of approximately 290 μm.

Preferably, the length of hollow tubular member 8 is less than about 50 mm. More preferably, the length of hollow tubular member 8 is less than about 40 mm. Even more preferably, the length of hollow tubular member 8 is less than about 30 mm. Additionally or alternatively, the length of hollow tubular member 8 is preferably at least about 10 mm. Preferably the length of the hollow tubular member 8 is at least about 15 mm. In some preferred embodiments, the length of hollow tubular member 8 is about 20 mm to about 30 mm, more preferably about 22 mm to about 28 mm, even more preferably about 24 to about 26 mm, and most preferably about 25 mm. In this example, the length of the hollow tubular member 8 is 25 mm.

A hollow tubular member 8 is located around the mouthpiece 2 and defines an air gap within the mouthpiece, which acts as a cooling segment. The void provides a chamber through which the heated volatile components generated by the aerosol generating material 3 flow. The hollow tubular member 8 is hollow to provide a chamber for the deposition of the aerosol, yet sufficient for the axial compressive forces and bending movements that may occur during manufacture and while the article 1' is in use. It has the hardness to withstand. The hollow tubular member 8 physically moves between the aerosol generating material 3 and the material body 6. The physical movement by the hollow tubular member 8 provides a temperature gradient across the length of the hollow tubular member 8 .

The hollow tubular member 8 is arranged such that a heated and volatilized component enters the first upstream end of the hollow tubular member 8 and a heated and volatilized component exits the second downstream end of the hollow tubular member 8. It can be configured to provide a temperature difference of at least 40° C. between the two. The hollow tubular member 8 preferably has heated and volatilized components entering the first upstream end of the hollow tubular member 8 and heated and volatilized components exiting the second downstream end of the hollow tubular member 8. and preferably at least 80°C and more preferably at least 100°C. This temperature difference over the length of the hollow tubular member 8 protects the temperature-sensitive first body of material 6 from the high temperatures of the aerosol-generating material 3 when heated.

In another embodiment, the hollow tubular member 8 is replaced by another cooling member, e.g. a member formed from a material body, e.g. You can also do that.

In this example, the body of fibrous material 4 is located at the downstream mouth end 2'b of the mouthpiece 2', immediately downstream of and in abutting relationship with the body of material 6. The body of fibrous material 4 is wrapped in a second plug wrapper 9, which in this example is the same as the first plug wrapper 7. The body of material 6 and the body of fibrous material 4 each define a substantially entirely cylindrical shape and share a common longitudinal axis.

In this example, the hollow tubular member 8, the body 6 and the fibrous material body 4 are assembled using a third plug wrapper 11 which is wrapped around all three sections. Preferably the third plug wrapper 11 has a basis weight of less than 50 gsm, more preferably between about 20 gsm and 45 gsm. Preferably the third plug wrapper 11 has a thickness of 30 μm to 60 μm, more preferably 35 μm to 45 μm. The third plug wrapper 11 is a non-porous plug wrapper 100, preferably having an air permeability of less than 50 Cores units, such as less than 50 Cores units. However, in other embodiments, the third plug wrapper 11 may be a porous plug wrapper with an air permeability of, for example, greater than 200 Coresta units.

In this example, the fibrous material body 4 is formed from a filamentary tow. The tow used for the fibrous material body 4 in this example has a single yarn fineness (d.p.f.) of 8.4 and a total fineness of 21,000. Alternatively, the tow may have a single yarn fineness (d.p.f.) of, for example, 9.5 and a total fineness of 12,000. Alternatively, the tow may have a single yarn fineness (d.p.f.) of, for example, 8 and a total fineness of 15,000. In this example, the tow comprises plasticized cellulose acetate tow. The plasticizer used in the tow contains about 7% tow by weight. In this example the plasticizer is triacetin. In other examples, different materials may also be used to form the body 4 of fibrous material. For example, rather than tow, the fibrous material body 4 could be formed from paper, as in conventional paper filters, for example for use in cigarettes. Alternatively, the fibrous material body 4 may be formed from other materials than cellulose acetate, such as polylactic acid (PLA), other materials described herein for filamentary tow, or similar materials. Preferably, the tow is formed from cellulose acetate. The tow, whether formed from cellulose acetate or other materials, preferably has a d.p.f. of at least 5, more preferably at least 6 and even more preferably at least 7. These values of filament fineness provide a relatively coarse, thick fiber tow with less surface area than tows of lower filament fineness, so that the resulting pressure drop across the mouthpiece 2' is low d.p.f. be smaller than the toe of the value. Preferably, in order to obtain a sufficiently uniform body of fibrous material 4, the tow has a filament fineness of less than 12 d.p.f., preferably less than 11 d.p.f. and more preferably less than 10 d.p.f.

The total fineness of the tow forming the body of fibrous material 4 is preferably at most 30,000, more preferably at most 28,000 and even more preferably at most 25,000. These values of total fineness provide a tow that occupies a smaller proportion of the cross-sectional area of the mouthpiece 2', resulting in a lower suction resistance and therefore a lower pressure drop in the mouthpiece 2' than tows with higher total fineness values. For suitable hardness of the fibrous material body 4, the tow preferably has a total fineness of at least 8,000 and more preferably at least 10,000. Preferably, the single yarn fineness is 5 to 12, and the total fineness is 10,000 to 25,000. More preferably, the single yarn fineness is 6 to 10, and the total fineness is 11,000 to 22,000. Preferably, the cross-sectional shape of the filaments of the tow is "Y" shaped, although in other embodiments other embodiments include other "X" shaped filaments, such as "X" shaped filaments with the same values of d.p.f. and total fineness values provided herein. Shapes are also available.

Preferably the length of the body of fibrous material 4 is less than about 15 mm. More preferably the length of the fibrous material body 4 is less than about 10 mm. Additionally or alternatively, the length of the fibrous material body 4 is at least about 5 mm. Preferably the length of the fibrous material body 4 is at least about 6 mm. In some embodiments, the length of the fibrous material body 4 is about 5 mm to about 15 mm, more preferably about 6 mm to about 12 mm, even more preferably about 6 mm to about 10 mm, and most preferably about 6 mm, 7 mm, 8 mm. , 9mm or 10mm. In this example, the length of the fibrous material body 4 is 10 mm.

In this example, the aerosol generating material 3 is wrapped in a wrapper 10. The wrapper 10 may be, for example, a paper or paper-supported foil wrapper. In this example, wrapper 10 is substantially airtight. In another embodiment, the wrapper 10 preferably has an air permeability of less than 100 Coresta units, more preferably less than 60 Coresta units. It has been found that wrappers with low air permeability, such as less than 100 Coresta units, more preferably less than 60 Coresta units, result in improved aerosol formation in the aerosol generating material 3. Without wishing to be bound by any theory, it is assumed that this is due to less loss of aerosol compound through the wrapper 10. The air permeability of the wrapper 10 can be measured according to ISO 2965:2009 for the measurement of air permeability of materials used as cigarette paper, filter plug wrappers and filter bonding papers.

In this embodiment, wrapper 10 includes aluminum foil. Aluminum foil has been found to be particularly effective in enhancing aerosol formation within the aerosol generating material 3. In this example the aluminum foil has a metal layer with a thickness of approximately 6 μm. In this example, the aluminum foil has a mount. However, in other configurations the aluminum foil may have other thicknesses, for example between 4 μm and 16 μm. Aluminum foil also does not require a backing, but can have a backing made of other materials, for example to help provide the foil with adequate tensile strength, or it can have no backing. Good too. Metal layers or foils other than aluminum can also be used. The total thickness of the wrapper is preferably between 20 μm and 60 μm, more preferably between 30 μm and 50 μm, a thickness that provides the wrapper with suitable structural integrity and heat transfer properties. The tension that can be applied to the wrapper before it ruptures is greater than 3,000 grams, such as 3,000 to 10,000 grams, or 3,000 to 4,500 grams.

The ventilation level of aerosols drawn through the article is approximately 60%. In another embodiment, the article may have a ventilation level of 50% to 80%, such as 65% to 75%, of the aerosol drawn through the article. These levels of ventilation assist in slowing down the flow of aerosol drawn through the mouthpiece 2', allowing the aerosol to cool before it reaches the downstream end of the mouthpiece 2'. Ventilation is provided directly within the mouthpiece 2' of the article 1'. In this example ventilation is provided within the hollow tubular member 8, which has been found to be particularly useful in assisting the aerosol generation process. Ventilation is provided by first and second parallel rows of perforations 12, in this case formed as laser perforations, 17.925 mm and 18.625 mm respectively from the downstream mouth end 2' of the mouthpiece 2'. provided through. These perforations pass through the tipping paper 5 and the hollow tubular member 8. In other embodiments, ventilation can be provided in other locations of the mouthpiece, for example in the fibrous material body 4 or in the first tubular member 11.

Aerosol-generating materials include aerosolizable materials, also referred to as aerosol-forming materials. The aerosolizable material may be present on the substrate. The substrate may be or include, for example, paper, cardboard, paperboard, cardboard, recycled aerosolizable materials, plastic materials, ceramic materials, composite materials, glass, metals or metal alloys.

In this example, the aerosol-forming material added to the aerosol-generating substrate 3 comprises 14% of the aerosol-generating material 3 by weight. Preferably the aerosol-forming material comprises at least 5% by weight, more preferably at least 10% aerosol-generating material. Preferably the aerosol forming material comprises less than 25%, more preferably less than 20%, such as 10% to 20%, 12% to 18% or 13% to 16% by weight of aerosol generating material.

Preferably, the aerosol generating material 3 is provided as a cylindrical rod made of aerosol generating material. Regardless of the shape of the aerosol-generating material, the aerosol-generating material has a length of about 10 mm to 100 mm. In some embodiments, the length of the aerosol generating material is preferably within the range of about 25 mm to 50 mm, more preferably within the range of about 30 mm to 45 mm, and even more preferably between about 30 mm and 40 mm.

The volume of the aerosol generating material 3 provided may vary from about 200 mm ³ to about 4300 mm ³ , preferably from about 500 mm ³ to 1500 mm ³ , more preferably from about 1000 mm ³ to about 1300 mm ³ . Providing these volumes of aerosol-generating material, for example from about 1000 mm ³ to about 1300 mm ³ , provides better visibility and perception performance than that achieved with volumes selected from the lower end of the range. It has been advantageously shown that superior aerosols can be achieved with.

The mass of the aerosol generating material 3 provided may be more than 200 mg, for example about 200 mg to 400 mg, preferably about 230 mg to 360 mg, more preferably about 250 mg to 360 mg. Providing an aerosol generating material with a higher mass has been found to be advantageous resulting in better perceptual performance compared to aerosols generated from tobacco materials with a lower mass.

Preferably, the aerosol generating material 3 is formed from tobacco material as described herein including tobacco components.

In the tobacco materials described herein, the tobacco component includes recycled paper tobacco. The tobacco component includes leaf tobacco, extruded tobacco and/or bandcast tobacco.

Aerosol generating material 3 may include recycled tobacco material having a density of less than about 700 milligrams per cubic centimeter (mg/cc). Such tobacco materials have been found to be particularly effective in providing an aerosol generating material that can be heated quickly to release an aerosol compared to dense materials. For example, the inventors have tested the heated properties of various aerosol generating materials, such as band cast recycled tobacco and paper recycled tobacco. For each given aerosol-generating material, there is a certain zero heat flow temperature while adding heat to the material, below which the net heat flow is endothermic, in other words more heat leaves the material. Beyond that, the net amount of heat becomes exothermic, in other words, more heat leaves the material than enters the material. Materials with densities less than 700 mg/cc had low zero heat flow temperatures. Since a significant portion of the heat flow exiting the material is via aerosol formation, having a low zero heat flow temperature has a beneficial effect over the time it takes to initially release the aerosol from the aerosol generating material. For example, an aerosol-generating material with a density less than 700 mg/cc would have a zero heat flow temperature of less than 164°C compared to a material with a density greater than 700 mg/cc and a zero heat flow temperature of greater than 164°C. discovered.

The density of the aerosol-generating material also affects the rate of heat transfer through the material, with lower densities, such as densities below 700 mg/cc, slowing the rate of heat transfer through the material and thus producing a more sustained aerosol release. enable.

Preferably, the aerosol generating material 3 comprises recycled tobacco material, such as paper recycled tobacco material, having a density of less than about 700 mg/cc. More preferably, the aerosol generating material 3 comprises recycled tobacco material having a density of less than about 600 mg/cc. Alternatively or additionally, the aerosol generating material 3 preferably comprises recycled tobacco material having a density of at least 350 mg/cc, which is believed to allow a sufficient amount of heat transfer through the material.

The tobacco material may be provided in the form of shredded tobacco. The shredded tobacco has a cut width of at least 15 cuts per inch (5.9 cuts per centimeter, which equates to a cut width of about 1.7 mm). Preferably, the shredded tobacco has a cut width of at least 18 cuts per inch (equivalent to about 7.1 cuts per centimeter, equal to a cut width of about 1.4 mm), more preferably at least 20 cuts per inch ( It has a cutting width of 7.9 cutting pieces per centimeter (equal to a cutting width of about 1.27 mm). In one example, the shredded tobacco has a cut width of 22 cuts per inch (equivalent to 8.7 cuts per centimeter, a cut width of about 1.15 mm). Preferably, the shredded tobacco has a cut width of at least 40 cut pieces per inch (equal to about 15.7 cut pieces per centimeter, equal to a cut width of about 0.64 mm). A cutting width of 0.5 mm to 2.0 mm, for example 0.6 mm to 1.5 mm or 0.6 mm to 1.7 mm, is particularly suitable for the surface area to volume ratio and the overall density of the generated material 3 and the pressure drop when heated. It has been found that a tobacco material that is favorable in this respect results. The shredded tobacco can be formed from a mixture in the form of tobacco material, such as a mixture with one or more of recycled paper tobacco, leaf tobacco, extruded tobacco, and band-cast tobacco. Preferably, the tobacco material comprises recycled paper tobacco or a mixture of recycled paper tobacco and leaf tobacco.

In the tobacco materials described herein, the tobacco materials may include filler components. The filler component is generally a non-tobacco component, ie, a component that does not contain components derived from tobacco. The filler component may be wood fibers or non-tobacco fibers such as pulp or wheat fibers. The filler component may be an inorganic material such as chalk, perlite, vermiculite, diatomaceous earth, colloidal silica, magnesium oxide, magnesium sulfate, magnesium carbonate, etc. The filler component may be a non-tobacco cast or extruded material. The filler component may be present in an amount of 0 to 20% by weight of the tobacco material or 1 to 10% by weight of the composition. In some embodiments, no filler component is included.

In the tobacco materials described herein, the tobacco materials include an aerosol-forming material. In this context, an "aerosol former" is a chemical substance that promotes the generation of aerosols. Aerosol-forming materials may facilitate aerosol generation by promoting the initial vaporization and/or aggregation of gases into respirable solid and/or liquid aerosols. In some embodiments, the aerosol-forming material may enhance flavor delivery from the aerosol-generating material. In general, any suitable aerosol-forming material or agent may be included in the aerosol-generating materials of the present invention, including those described herein. Other suitable aerosol formers include sorbitol, polyols such as glycerol and glycols such as propylene glycol or triethylene glycol, non-polyols such as monohydric alcohols, high boiling hydrocarbons, acids such as lactic acid, glycerol derivatives, Esters such as diacetin, triacetin, triethylene glycol diacetate, triethyl citrate or myristate esters including ethyl myristate and isopropyl myristate, and aliphatic carbons such as methyl stearate, dimethyl dodecanedioate and dimethyl tetradecanedioate Examples include, but are not limited to, acid esters. In some embodiments, the aerosol former may be glycerol, propylene glycol, or a mixture of glycerol and propylene glycol. Glycerol may be present in an amount of 10-20% by weight of the tobacco material, such as 13-16% by weight of the composition, or about 14% or 15% by weight of the composition. Propylene glycol, if included, may be present in an amount of 0.1 to 0.3% by weight of the composition.

The aerosol-forming material may be contained in any component, such as any component made of tobacco material and/or the filler component, if present. Alternatively or additionally, the aerosol-forming agent may be added separately to the tobacco material. In any case, the total amount of aerosol forming material in the tobacco material may be as described herein.

The tobacco material may contain from 10 to 90% by weight of tobacco leaf, and the aerosol-forming material is provided in an amount of about 10% by weight of tobacco. It has been found to be advantageous to add a high weight percentage of this to a separate component of tobacco material, such as recycled tobacco material, to achieve a total amount of aerosol-forming material of 10% to 20% by weight of the tobacco material.

The tobacco material described herein contains nicotine. The nicotine content is between 0.5 and 1.75% by weight of the tobacco material, and may for example be between 0.8 and 1.5% by weight of the tobacco material.
Additionally or alternatively, the tobacco material comprises 10 to 90% by weight tobacco leaf having a nicotine content greater than 1.5% of the weight of the tobacco leaf. Tobacco leaves with a nicotine content greater than 1.5% combined with low nicotine base materials such as recycled paper tobacco contain adequate amounts of nicotine, but with better perceptual performance than recycled paper tobacco alone. It has been found advantageous to obtain tobacco material having a Tobacco leaves, such as shredded tobacco, may have a nicotine content of, for example, 1.5% to 5% by weight of the tobacco leaf.

The tobacco materials described herein may include an aerosol modifier such as any of the flavorants described herein. In one embodiment, the tobacco material includes menthol to form a mentholized article. The tobacco material may contain 3 mg to 20 mg menthol, preferably 5 mg to 18 mg, and more preferably 8 mg to 16 mg menthol. In this example, the tobacco material contains 16 mg of menthol. The tobacco material may contain from 2% to 8% menthol, preferably from 3% to 7% menthol, and more preferably from 4% to 5.5% menthol. In one embodiment, the tobacco material includes 4.7% menthol by weight. Such high loadings of menthol are achieved by using a high percentage of recycled tobacco material, such as greater than 50% tobacco material by weight. Alternatively or additionally, a high capacity aerosol generating material is used, such as tobacco material, for example more than about 500 mm ³ or preferably more than 1000 mm ³ . The amount of menthol loading achieved can be increased.

In the compositions described herein, when amounts are given in % by weight, for the avoidance of doubt this is meant on a dry weight basis, unless stated otherwise. Therefore, any water present in the tobacco material or any component thereof is completely ignored for purposes of weight percent determination. The moisture content of the tobacco materials described herein may vary, for example from 5 to 15% by weight. The moisture content of the tobacco materials described herein may vary depending on, for example, the temperature, pressure and humidity conditions under which the composition is maintained. Moisture content may be determined by Karl-Fisher analysis as known to those skilled in the art. On the other hand, for the avoidance of doubt, all components other than water are included in the weight of the tobacco material even if the aerosol forming material is a component in a liquid phase such as glycerol or propylene glycol. However, if the aerosol-forming material is provided to the tobacco component of the tobacco material or the filler member of the tobacco material (if any) instead of or in addition to being added separately to the tobacco material, the aerosol-forming material may be added to the tobacco composition or It is not included in the weight of the filler member, but is included in the weight of the "aerosol-forming material" in weight percentages as defined herein. All other components present in the tobacco composition are included by weight of the tobacco component even if they are of non-tobacco origin (eg, non-tobacco fibers in the case of recycled paper tobacco).

In some embodiments, the tobacco material includes a tobacco component as defined herein and an aerosol-forming material as defined herein. In some embodiments, the tobacco material consists essentially of a tobacco component as defined herein and an aerosol-forming material as defined herein. In some embodiments, the tobacco material comprises a tobacco component as defined herein and an aerosol-forming material as defined herein.

Recycled paper tobacco is present in the tobacco component of the tobacco materials described herein in an amount of 10% to 100% by weight of the tobacco component. In some embodiments, the recycled paper tobacco is present in an amount of 10% to 80% or 20% to 70% by weight of the tobacco components. In another embodiment, the tobacco component consists essentially of or consists of recycled paper tobacco. In a preferred embodiment, leaf tobacco is present in the tobacco component of the tobacco material in an amount of at least about 10% by weight of the tobacco component. For example, leaf tobacco may be present in an amount of at least 10% by weight of the tobacco component, with the remainder of the tobacco component being in other forms such as recycled paper tobacco, band-cast tobacco or band-cast recycled tobacco, and tobacco granules. including a combination of tobacco in the form of.

Recycled tobacco is produced by extracting tobacco raw material with a solvent to a residue containing soluble extract and fibrous material, and then extracting the extract (usually after concentration and optionally after further processing). Tobacco material formed by a process of recombining fibrous material from residue (usually after removing impurities from the fibrous material and optionally with the addition of a small amount of non-tobacco fiber) and extracts by depositing them on the fibrous material. means. The recombination process is similar to the papermaking process.

The recycled paper tobacco may be any type of recycled paper tobacco known in the art.
In certain embodiments, recycled paper tobacco is produced from a raw material that includes one or more of tobacco strips, tobacco petioles, and whole tobacco. In another embodiment, recycled paper tobacco is produced from raw materials consisting of tobacco strips and/or whole tobacco and tobacco petioles. However, in other embodiments, waste, fines, and rice husks may be employed separately or in addition to the raw materials.

Recycled paper tobacco for use in the tobacco materials described herein may be prepared by methods known to those skilled in the art for the preparation of recycled paper tobacco.

In this example, article 1' has a circumference of approximately 21 mm (ie, the article is in demi-slim format). In other examples, articles can be provided in any of the formats described herein, eg, having a circumference of 15 mm to 25 mm. Since the article is to be heated and emit an aerosol, improvements in heating efficiency can be achieved within this range by using articles with a smaller circumference, for example less than 23 mm. Article circumferences greater than 19 mm have been found to be particularly effective in achieving heating aerosol improvements while maintaining a suitable product length. Articles having a circumference of 19 mm to 23 mm, more preferably 20 mm to 22 mm, have been found to provide a good combination of efficient heating while effectively delivering aerosol.

The outer periphery of the mouthpiece 2' is substantially the same as the outer periphery of the rod 3 of the aerosol-generating material, thereby providing smooth contact between these members. In this example, the outer circumference of the mouthpiece 2' is approximately 20.8 mm. A tipping paper 5 is wound over the entire length of the mouthpiece 2' and a part of the rod 3 of the aerosol generating material, has an adhesive on its inner surface, and connects the mouthpiece 2' and the rod 3. In this example, the tipping paper 5 extends on the rod 3 of the aerosol generating material by 5 mm, but in addition to this, it extends on the rod 3 by 3 mm to 10 mm or 4 mm to 6 mm to ensure that the mouthpiece 2' and the rod 3 are connected. be able to be installed. The tipping paper 5 may have a basis weight greater than the basis weight of the plug wrapper used for the article 1', for example a basis weight of 40 gsm to 80 gsm, more preferably 50 gsm to 70 gsm, in this example 58 gsm. It's okay. Basis weights in these ranges result in a tipping paper that is flexible enough to wrap the article 1 while having an acceptable tensile strength and adheres to itself along the paper's longitudinal restraint seam. It is known that it can be obtained as The outer circumference of the tipping paper 5 is approximately 21 mm when wrapped around the mouthpiece 2'.

FIG. 3 is a side cross-sectional view of another article 1''. Article 1'' is substantially the same as article 1', except that the mouthpiece 2'' includes a second hollow tubular member 13 at the mouthpiece end 2''b instead of the body of fibrous material 4. be.

The second hollow tubular member 13 is formed from filamentary tow. It has been advantageously discovered that this significantly reduces the temperature of the outer surface of the mouthpiece 2'' at the downstream end 2''b of the mouthpiece that contacts the consumer's lips during use of the article 1''. In addition, it has also been found that the use of the tubular member 13 significantly reduces the temperature of the outer surface of the mouthpiece 2'' even upstream of the tubular member 13. Without wishing to be bound by any theory, this is because the tubular shape directs the aerosol closer to the center of the mouthpiece 2'', thus reducing the transfer of heat from the aerosol to the outer surface of the mouthpiece 2''. It is presumed that this is due to member 13.

The "wall thickness" of the second hollow tubular member 13 corresponds to the radial wall thickness of the tube 13. This may be measured in the same way as for the hollow tubular member 8. Advantageously, the wall thickness is greater than 0.9 mm, more preferably greater than or equal to 1.0 mm. Preferably the wall thickness is substantially constant around the entire circumference of the wall of the tubular member 11. However, if the wall thickness is not substantially constant, the wall thickness is preferably greater than 0.9 mm, more preferably greater than or equal to 1.0 mm anywhere around the tubular member 11.

Preferably the length of the second hollow tubular member 13 is less than about 20 mm. More preferably, the length of the second hollow tubular member 13 is less than about 15 mm. Even more preferably, the length of the second hollow tubular member 13 is less than about 10 mm. Additionally or alternatively, the length of the second hollow tubular member 13 is at least about 5 mm. Preferably the length of the second hollow tubular member 13 is at least about 6 mm. In some preferred embodiments, the length of the second hollow tubular member 13 is about 5 mm to about 20 mm, more preferably about 6 mm to about 10 mm, even more preferably about 6 mm to about 8 mm, and most preferably about 6 mm. , 7 mm or about 8 mm. In this example, the length of the second hollow tubular member 13 is 6 mm.

Preferably, the density of the second hollow tubular member 13 is at least about 0.25 grams per cubic centimeter (g/cc), more preferably at least about 0.3 g/cc. Preferably, the density of the second hollow tubular member 13 is about 0.75 per cubic centimeter.
less than gram (g/cc), more preferably less than 0.6 g/cc. In some embodiments, the density of the second hollow tubular member 13 is from 0.25 to 0.75 g/cc, more preferably from 0.3 to 0.6 g/cc, more preferably from 0.4 g/cc to 0.6 g/cc or about 0.5 g/cc. These densities have been found to provide a good compromise between the good stiffness produced by dense materials and the low thermal conductivity of lower density materials. For purposes of this example, the "density" of the second hollow tubular member 13 means the density of the filamentary tow forming the member, including any plasticizer incorporated therein. The density of the second hollow tubular member 13 may be measured in the same way as described for the body of material 6.

The filamentary tow forming the second hollow tubular member 13 preferably has a total fineness of less than 45,000, more preferably less than 42,000. It has been found that this total fineness allows the tubular member 13 to be formed without being too dense. Preferably the total fineness is at least 20,000, more preferably at least 25,000. In a preferred embodiment, the filamentary tow forming the second hollow tubular member 13 has a total fineness of 25,000 to 45,000, more preferably 35,000 to 45,000. Preferably, the cross-sectional shape of the filamentary tow is "Y" shaped, although other shapes can be used in other embodiments, such as "X" shaped filaments.

The filamentary tow forming the second hollow tubular member 13 preferably has a single filament fineness of more than 3. It has been found that this single fiber fineness makes it possible to form a hollow tubular member 13 that is not too dense. Preferably, the single yarn fineness is at least 4, more preferably at least 5. In a preferred embodiment, the filamentary tow forming the second hollow tubular member 13 has a single filament fineness of 4 to 10, more preferably 4 to 9. In one example, the filamentary tow forming the second hollow tubular member 13 is formed from cellulose acetate and has 8Y40,000 tow with 18% plasticizer, such as triacetin.

The second hollow tubular member 13 preferably has an inner diameter of greater than 3.0 mm. A smaller inner diameter would result in the aerosol traveling through the mouthpiece 2 to the consumer's mouth at a faster rate than desired, which would result in the aerosol becoming too warm, e.g. reaching temperatures above 40°C or above 45°C. Put it away. More preferably the second hollow tubular member 13 has an inner diameter of greater than 3.1 mm, even more preferably greater than 3.5 mm or 3.6 mm. In one embodiment, the second hollow tubular member 13 has an inner diameter of approximately 3.9 mm.

The second hollow tubular member 13 preferably contains 15% to 22% by weight of plasticizer. In the case of cellulose acetate tow, the plasticizer is preferably triacetin, although other plasticizers such as polyethylene glycol (PEG) can also be used. More preferably, tubular member 13 includes 16% to 20% plasticizer by weight, such as about 17%, about 18% or about 19% plasticizer.

The combination of the aerosol cooling effect of the hollow tubular member 8 and the material body 6 and the second hollow tubular member 13, which reduces the temperature of the outer surface of the mouthpiece, reduces the aerosol temperature and the temperature of the outer surface of the article at the mouth end. This results in a more comfortable user experience.

FIG. 4 is a side cross-sectional view of another article 1'''. The article 1''' and the mouthpiece 2''' are provided at the distal end of the mouthpiece 2''' in which the material body 6 of the amorphous solid material is adjacent to and in abutting relationship with the aerosol generating material 3. , a hollow tubular member 8 is provided downstream of the body of material 6 and located between the body of material 6 at the distal end of the mouthpiece and the fiber section 4 at the mouth end of the mouthpiece. 1' and mouthpiece 2'.

Providing the body of material 6 of amorphous solid material adjacent to the aerosol-generating material results in exposure to higher heat than if the body of material 6 were located downstream of the cooling member. This configuration will improve the release of flavor from the amorphous solid material if the amorphous solid material contains a flavoring agent.

Figure 5a is a side cross-sectional view of another article 1'''' comprising a capsule-containing mouthpiece 2''''. Figure 5b is a side cross-sectional view of the capsule-containing mouthpiece shown in Figure 5a. The article 1'''' and the mouthpiece 2'''' include a hollow tubular member 8, a material body 6 made of an amorphous solid material, a fibrous material body 4, and the mouthpiece 2'''' has a capsule. Same as article 1' and mouthpiece 2' except that it includes a containing section 14. Capsule-containing section 14 contains an aerosol modifier provided in the form of capsules 15 and is surrounded by an oil-resistant plug wrapper 16.

In other examples, the aerosol modifier is injected into the body of fibrous material 4 or onto a thread, such as a thread that carries a flavoring agent or other aerosol modifier and may be placed within the body of fibrous material 4. It is also possible to provide it in other forms, such as in a material that is provided in a. The amorphous solid material forming the material body 6 may also contain an aerosol modifier such as a flavoring agent. If the amorphous solid material includes a flavoring agent, the aerosol modifier contained within the capsule 15 may be selected to complement the flavoring agent contained in the amorphous solid material.

Capsule 15 has a solid frangible shell surrounding a liquid payload. In this example one capsule 15 is used. The capsule 15 is completely embedded within a material body that is substantially the same as the fibrous material body 4. In other words, the capsule 15 is completely surrounded by the material forming the material body 14. In other examples, multiple rupturable capsules may be disposed within the fibrous material body 14, such as two, three or more rupturable capsules. The length of the body of material 14 can be increased to accommodate the required number of capsules. In instances where multiple capsules are used, the individual capsules may be identical to each other or may differ in size and/or capsule payload. In other examples, multiple bodies 14 may be provided, each body having one or more capsules.

Capsule 15 has a core-shell structure. In other words, the capsule 15 may include a shell that encapsulates a liquid agent, such as a flavoring agent or other substance, which may be any of the flavoring agents or aerosol modifiers described herein. The shell of the capsule can be ruptured by the user to release flavor or other substances into the body of material 14. The oil-resistant plug wrapper 16 may include a barrier coating that renders the material of the plug wrapper substantially impermeable to the liquid payload of the capsule 15. Alternatively or additionally, the second plug wrapper 9 and/or tipping paper 5 may have a barrier coating that renders the material of the plug wrapper and/or tipping paper substantially impermeable to the liquid payload of the capsule 15. May include.

In this example, the capsule 15 is spherical and has a diameter of approximately 3 mm. In other examples, other shapes and sizes may also be used. The total weight of capsule 15 may be within the range of about 10 mg to about 50 mg.

In this example, the capsule 15 is arranged in the longitudinally central position within the material body 14 . That is, the capsule 15 is positioned such that its center is 4 mm away from both ends of the material body 14. In other examples, the capsule 15 is located at a position other than the longitudinal center of the body 14, i.e. closer to the downstream end of the body 14 than the upstream end, or closer to the upstream end of the body 14 than the downstream end. May be placed. The mouthpiece 2'''' is configured such that the capsule 15 and the ventilation hole 12 are longitudinally offset from each other within the mouthpiece 2''''.

A cross-section of the mouthpiece 2'''' is shown in Figure 5b. FIG. 5b shows the capsule 15, the material body 14, the oil-resistant plug wrapper 16, the third plug wrapper 11 and the tipping paper 5. In other examples, the capsule 15 is centered on the longitudinal axis (not shown) of the mouthpiece 2''''. The oil-resistant plug wrapper 16, the third plug wrapper 11 and the tipping paper 5 are arranged concentrically around the body of material 14.

The breakable capsule 15 has a core-shell structure. That is, the encapsulant or barrier material forms a shell around the core containing the aerosol modifier. The shell structure prevents the migration of the aerosol modifier during storage of the article 1'''', but allows for controlled release of the aerosol modifier, also referred to as the aerosol modifier, during use.

In some cases, barrier materials (also referred to as encapsulating agents) are fragile. The capsule may be crushed or otherwise crushed or broken by the user to release the encapsulated aerosol modifier. Typically the capsule is broken just before heating begins, but the user can choose when the aerosol modifier is released. The term "frangible capsule" means a capsule whose shell ruptures by pressure to eject the core, e.g. the shell ruptures by pressure applied by the user's fingers when the user wishes to eject the core of the capsule. be able to.

In some cases the barrier material is heat resistant. That is, in some cases the barrier does not rupture, but rather melts or fails at the temperatures reached by the capsule during operation of the aerosol delivery device. In particular, the capsule located within the mouthpiece may be exposed to a temperature within the range of, for example, 30°C to 100°C, with the barrier material continuing to retain the liquid core up to at least about 50°C to 120°C. .

In other cases, the capsule releases the core composition by swelling of the capsule upon heating, for example, melting or rupturing the barrier material.

The total weight of the capsule may range from about 1 mg to about 100 mg, preferably about 5 mg to about 60 mg, about 8 mg to about 50 mg, about 10 mg to about 20 mg or about 12 mg to about 18 mg.

The total weight of the core formulation may range from about 2 mg to about 90 mg, preferably from about 3 mg to about 70 mg, from about 5 mg to about 25 mg, from about 8 mg to about 20 mg or from about 10 mg to about 15 mg.

Capsules according to the invention include a core and a shell as described above. The capsules may exhibit a crush strength of about 4.5N to about 40N, more preferably about 5N to about 30N or about 28N (eg, about 9.8N to about 24.5N). Capsule crushing strength is the capsule material body 1
4 and can be measured using a gauge that measures the force at which the capsule bursts when pressed between two flat metal plates. A preferred measuring device is a Sauter FK 50 fall gauge with a flat-headed attachment, which can be used to crush the capsule against a flat hard surface with a similar surface to that attachment. .

The capsule may be substantially spherical, at least about 0.4 mm, 0.6 mm, 0.
．． It may have a diameter of 8mm, 1.0mm, 2.0mm, 2.5mm, 2.8mm or 3.0mm. The diameter of the capsule may be less than about 10.0 mm, 8.0 mm, 7.0 mm, 6.0 mm, 5.5 mm, 5.0 mm, 4.5 mm, 4.0 mm, 3.5 mm or 3.2 mm. good. Specifically, the diameter of the capsule is about 0.4 mm to about 10.0 mm, about 0.8 mm to about 6.0 mm, about 2.5 mm to about 5.5 mm, or about 2.8 mm to about 3.2 m.
It may be in the range of m. In some cases, the capsule may have a diameter of about 3.0 mm. These dimensions are particularly suitable for incorporating capsules into the articles described herein.

The cross-sectional area of the capsule 15 at its largest cross-sectional area is less than 28%, more preferably less than 27%, even more preferably less than 25% of the cross-sectional area of the part of the mouthpiece 2' in which the capsule 15 is provided. be. For example, for a spherical capsule with a diameter of 3.0 mm, the maximum cross-sectional area of the capsule would be 7.07 mm ² . In the case of the mouthpiece 2'''' described herein with a circumference of 21 mm, the material body 14 has an outer circumference of 20.8 mm, and the radius of this member is 3.31 mm, with a cross section of 34.43 mm ² . Corresponds to area. The cross-sectional area of the capsule is in this example 20.5% of the cross-sectional area of the mouthpiece 2''''. As another example, if the diameter of the capsule is 3.2 mm, its maximum cross-sectional area will be 8.04 ^mm2 . In this case, the cross-sectional area of the capsule is 23.4% of the cross-sectional area of the material body 14. A capsule having a maximum cross-sectional area of less than 28% of the cross-sectional area of the part of the mouthpiece 2'''' in which the capsule 15 is provided has a cross-sectional area over which the pressure drop of the mouthpiece 2'''' is greater. reduced compared to the capsule, leaving an adequate space around the capsule for the aerosol so that the material body 14 removes a significant amount of the aerosol as it passes through the mouthpiece 2'' This has the advantage that aerosols can pass through without any problems.

The pressure drop or pressure difference (also referred to as aspiration resistance), preferably measured as the opening pressure drop (ie the ventilation opening is open), decreases by less than 8 mm H ₂ O when the capsule is broken. More preferably the opening pressure drop is reduced by less than 6 mm _H2O , more preferably less than 5 mm _H2O . These values are measured as the average obtained by at least 80 articles made with the same design. It is recognized that such small pressure drop changes can be achieved regardless of whether the consumer chooses to break the capsule or not through other aspects of product design, such as setting the correct ventilation level for a given product pressure drop. means.

In some embodiments, when the aerosol-forming material 3 is heated to provide an aerosol, such as in a non-combustion aerosol delivery device as described herein, the portion of the mouthpiece 2 in which the capsule is located may be Temperatures of 58-70°C are reached during use of the system. As a result of this temperature, the contents of the capsule, such as an aerosol denaturing agent, are heated such that the contents of the capsule, e.g. can be heated sufficiently. The heating of the contents of the capsule 15 may be done, for example, before the capsule 15 breaks, so that when the capsule 15 breaks, its contents are more likely to be released into the aerosol passing through the mouthpiece 2''''. Good too. Alternatively, the contents of the capsule 15 may be warmed to this temperature after the capsule 15 has been broken, again resulting in greater release of the contents into the aerosol. Advantageously, a mouthpiece temperature in the range of 58-70° C. is sufficiently high to facilitate release of the capsule contents, while the outer surface of the part of the mouthpiece 2'' in which the capsule is located is It has been found that the temperature is low enough to reach a temperature at which the consumer feels uncomfortable touching the mouthpiece 2'' to rupture the capsule 15 by crushing it.

The capsule 15 can be broken by external force applied to the mouthpiece 2'''', for example by the consumer crushing the mouthpiece 2'''' using a finger or other mechanism. The portion of the mouthpiece in which the capsule is located, as described above, is arranged to reach temperatures above 58° C. during use of the aerosol delivery system to generate an aerosol. Preferably, when placed in the mouthpiece 2'''', the burst strength of the capsule 15 before heating the aerosol generating material 3 is between 1500 and 4000 grams by weight. Preferably, when placed within the mouthpiece 2'''' and using the aerosol delivery system for less than 30 seconds to generate an aerosol, the burst strength is between 1000 and 4000 grams by weight. Even when exposed to temperatures in excess of 58° C., such as between 58° C. and 70° C., capsules 15 are able to maintain a range of burst strength that has been shown to allow capsules 15 to be easily crushed by consumers, and provides sufficient tactile feedback to the person that the capsule 15 has broken. Maintaining such burst strength may be achieved by using gelling agents suitable for capsules as described herein, such as polysaccharides alone or in combination with gelatin, including, for example, gum arabic, gellan gum, gum acacia, xanthan gum or carrageenan. This is done by selecting . Furthermore, the walls of the capsule need to be selected with a suitable thickness.

Preferably, the burst strength of the capsule before heating the aerosol-forming material when placed in the mouthpiece is between 2000 and 3500 grams by weight or between 2500 and 3500 grams by weight. Preferably, the burst strength is between 1500 and 4000 grams force or between 1750 and 3000 grams force when placed in the mouthpiece and the aerosol delivery system is used for less than 30 seconds to generate an aerosol. In one example, the average burst strength of the capsule prior to heating of the aerosol-forming material when placed within the mouthpiece is about 3175 grams, and when placed within the mouthpiece, an aerosol delivery system is used to generate the aerosol. The average burst strength when used for less than 30 seconds is approximately 2345 grams by weight.

Bursting strength of capsules can be tested using a load measuring device such as a Texture Analyser.

Barrier materials may include one or more of gelling agents, fillers, buffers, colorants, and plasticizers.

Suitably, the gelling agent may be, for example, a polysaccharide or cellulosic gelling agent, gelatin, gum, gel, wax or mixtures thereof. Suitable polysaccharides include alginates, dextrans, maltodextrins, cyclodextrins and pectins. Suitable alginates include, for example, salts of alginic acid, esterified alginates or glyceryl alginate. Salts of alginic acid include ammonium alginate, triethanolamine alginate and alginates of group I or II metal ions such as sodium alginate, potassium alginate, calcium alginate and magnesium alginate. Esterified alginates include polypropylene glycol alginate and glyceryl alginate. In some embodiments, the barrier material is sodium alginate and/or calcium alginate. Suitable cellulosic materials include methylcellulose, ethylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, carboxymethylcellulose, cellulose acetate and cellulose ethers. The gelling agent may include one or more modified starches. The gelling agent may include carrageenan. Suitable gums include agar, gellan gum, gum arabic, pullulan gum, mannan gum, gum gatchi, gum tragacanth, gum karaya, carob, gum acacia, guar, quince seed gum and xanthan gum. Suitable gels include agar, agarose, carrageenan, Freudan and furcellaran. A suitable wax is carnauba wax or the like. Optionally, the gelling agent may also include carrageenan and/or gellan gum, which may be included as a gelling agent when the pressure required to break the resulting capsules is particularly suitable. It is particularly suitable for

The barrier material may include one or more bulking agents such as starch, modified starch (such as oxidized starch), and sugar alcohols such as maltitol.

The barrier material may include a colorant to facilitate placement of the capsule within the aerosol-generating device during the manufacturing process of the aerosol-generating device. The colorant is preferably selected among colorants and pigments.

The barrier material may further include at least one buffer such as a citrate compound or a phosphate compound.

The barrier material may further comprise at least one plasticizer, such as glycerol, sorbitol, maltitol, triacetin, polyethylene glycol, propylene glycol or another polyhydric alcohol with plasticizing properties and in particular citric acid, fumaric acid, malic acid, etc. such as any monoacid, diacid or triacid type of acid. The amount of plasticizer ranges from 1 to 30%, preferably from 2 to 15%, even more preferably from 3 to 10% by weight of the total dry weight of the shell.

The barrier material also includes one or more filler materials. Suitable filler materials are starch derivatives such as dextrins, maltodextrins, cyclodextrins (alpha, beta or gamma) or hydroxypropylmethylcellulose (HPMC), hydroxypropylcellulose (HPC), methylcellulose (MC), carboxy-methylcellulose (CMC) cellulose derivatives such as polyvinyl alcohol, polyols, or mixtures thereof. Dextrin is a preferred filler. The amount of filler in the shell is at most 98.5%, preferably 25-95%, more preferably 40-80%, even more preferably 50-60% by weight of the total dry weight of the shell. .

The capsule shell may additionally contain a hydrophobic outer layer, which prevents the capsule from disintegrating due to moisture. The hydrophobic outer layer is preferably a wax, in particular carnauba wax, candelilla wax or beeswax, carbowax, shellac (in alcoholic or aqueous solution), ethylcellulose, hydroxypropylmethylcellulose, hydroxypropylcellulose, latex compositions. , polyvinyl alcohol, or a combination thereof. More preferably the at least one moisture barrier agent is ethylcellulose or a mixture of ethylcellulose and shellac.

The capsule core contains an aerosol modifier. The aerosol modifier can be any volatile substance that alters at least one property of the aerosol. For example, an aerosol substance may alter pH, sensory characteristics, moisture content, delivery characteristics or flavor. Optionally, the aerosol modifier may be selected from acids, bases, water or flavoring agents. In some embodiments, the aerosol modifier includes one or more flavoring agents.

Flavoring agents are preferably licorice, rose oil, vanilla, lemon oil, orange oil, mint flavoring agents, preferably menthol and/or peppermint from any species of the genus Mentha, such as peppermint oil and/or spearmint oil. It may be oil, or lavender, fennel or anise.

In some cases the flavoring agent includes menthol.

Optionally, the capsules contain at least about 25% w/w flavoring (based on the total weight of the capsule), preferably at least about 30% w/w flavoring, 35% w/w flavoring, 40% It may contain w/w flavoring, 45% w/w flavoring or 50% w/w flavoring.

In some cases the core has at least about 25% w/w flavoring agent (based on the total weight of the core), preferably at least about 30% w/w flavoring agent, 35% w/w flavoring agent, 40% flavoring agent. It may contain w/w flavoring, 45% w/w flavoring or 50% w/w flavoring. In some cases, the core may include up to about 75% w/w flavoring agent (based on the total weight of the core), preferably up to about 65% w/w flavoring agent, 55% w/w flavor. or 50% w/w flavoring agent. Specifically, the capsules contain a flavoring agent in an amount within the range of 25-75% w/w (based on the total weight of the core), about 35-60% w/w, or about 40-55% w/w. But that's fine.

The capsule may contain at least about 2 mg, 3 mg or 4 mg of aerosol modifier, preferably at least about 4.5 mg of aerosol modifier, 5 mg of aerosol modifier, 5.5 mg of aerosol modifier or 6 mg of aerosol modifier. good.

Optionally, the consumable includes at least about 7 mg of aerosol modifier, preferably at least about 8 mg of aerosol modifier, 10 mg of aerosol modifier, 12 mg of aerosol modifier, or 15 mg of aerosol modifier.

Any suitable solvent may be used.

If the aerosol modifier includes a flavoring agent, the solvent may suitably include a short or medium chain fat. For example, the solvent may include triesters of glycerol such as C ₂ -C ₁₂ triglycerides, preferably C ₆ -C ₁₀ triglycerides or Cs-C ₁₂ triglycerides. For example, the solvent may include medium chain triglycerides (MCT-C ₈ -C ₁₂ ), which may be derived from palm oil and/or coconut oil.

Esters may be formed with caprylic and/or capric acid. For example, the solvent may include a medium chain triglyceride that is caprylic triglyceride and/or capric triglyceride. For example, the solvent may be No. 73398-61-5, 65381-09-1, 85409-09-2 may also be included. Such medium chain triglycerides are tasteless and odorless.

The hydrophilic lipophilic balance (HLB) of the solvent may be in the range 9-13, preferably 10-12. Capsule manufacturing methods include extrusion, optionally followed by centrifugation and hardening and/or drying. The contents of International Application Publication 2007/010407A2 are incorporated by reference in their entirety.

Mouthpieces 2, 2', 2'', 2''' and 2'''' can each be formed from any combination of mouthpiece members described herein in alternative embodiments.

A non-combustion aerosol delivery device is used to heat the aerosol generating material 3 of the articles 1, 1', 1'', 1''', 1'''' described herein. The non-combustion aerosol delivery device preferably includes a coil, which improves heat transfer to the article 1, 1', 1'', 1''', 1'''' compared to other configurations. I know that.

In some examples, the coil, in use, is configured to heat the at least one electrically conductive heating element, thereby allowing thermal energy to be conducted from the at least one electrically conductive heating element to the aerosol-generating material; This causes heating of the aerosol generating material.

In some examples, the coil is configured to generate a varying magnetic field for passage through the at least one heating element in use, thereby causing inductive heating and/or magnetic hysteresis heating of the at least one heating element. cause. In such configurations, the or each heating element may be referred to as a "susceptor" as defined herein. A coil that is configured, in use, to generate a varying magnetic field for passage through one electrically conductive heating element, thereby causing inductive heating of at least one electrically conductive heating element, is referred to as an "induction coil" or "inductor". You can also say "coil."

The device includes one or more heating elements, such as one or more electrically conductive heating elements, which are preferably connected to a coil to enable heating of the one or more heating elements. It may be arranged or capable of being arranged against. One or more heating elements may be fixed relative to the coil. Alternatively, at least one heating element, for example at least one electrically conductive heating element, may be included in the article 1, 1' for insertion into the heating region of the device, the article 1, 1' It contains generated material 3 and is removed from the heating area after use. Alternatively, the device and such article 1, 1' may comprise at least one respective heating element, for example at least one electrically conductive heating element, the coil being connected to the device when the article is in the heating region. causing heating of one or more heating elements of each of the articles.

In some examples the coil is helical. In some examples, the coil surrounds at least a portion of the heating region of the device configured to contain the aerosol-generating material. In some examples, the coil is a helical coil that surrounds at least a portion of the heating region.

In some examples, the device includes a conductive heating element that at least partially surrounds the heating region, and the coil surrounds at least a portion of the conductive heating element. In some examples, the conductive heating element is tubular. In some examples the coil is an inductor coil.
In some instances, the use of coils allows non-combustion aerosol delivery devices to reach operating temperature faster than non-coil aerosol delivery devices. For example, a non-combustion aerosol delivery device including a coil as described above can initially reach operating temperature such that a puff can be provided in less than 30 seconds, preferably less than 25 seconds from activation of the device heating program. In some examples, the device can reach operating temperature in about 20 seconds from activation of the device heating program.

It has been found that using a coil as described herein in a device to cause heating of the aerosol generating material improves the aerosol produced. For example, consumers may find that aerosols emitted by devices containing coils such as those described herein are more likely to be produced by factory made cigarettes (FMC) than aerosols produced by other non-combustion aerosol delivery systems. ) are reported to be similar in feel. Without wishing to be bound by any theory, this may include a reduction in the time to reach the required heating temperature when using a coil, a higher heating temperature achieved when using a coil, and/or a higher heating temperature achieved when using a coil. It is assumed that such a system would allow a relatively large amount of aerosol-generating material to be heated simultaneously, resulting in an aerosol with a temperature similar to that of the FMC. In FMC products, burning embers generate a hot aerosol that heats the tobacco in the tobacco rod after the embers as the aerosol is drawn through the rod. It is understood that this hot aerosol causes flavor compounds to be released from the tobacco in the rod after the burning embers. A device including a coil as described herein can also heat an aerosol-generating material, such as tobacco wood as described herein, to release flavor compounds, resulting in a more similar FMC aerosol. It is believed that the aerosols reported to be

By using an aerosol delivery system that includes a coil as described herein, such as an induction coil that heats at least a portion of the aerosol-generating material to at least 200°C, more preferably at least 220°C, the aerosol of the FMC product is more similar. It is possible to generate an aerosol from an aerosol-generating material that has specific characteristics that are believed to have the following properties. For example, when an aerosol generating material containing nicotine was heated to at least 250° C. for 2 seconds using an induction heater, one or more of the following characteristics were observed:
at least 10 μg of nicotine is aerosolized from the aerosol-generating material;
the weight ratio of aerosol former to nicotine in the generated aerosol is at least about 2.5:1, preferably at least 8.5:1;
at least 100 μg of aerosol-forming material is aerosolized from the aerosol-generating material;
the average particle or droplet size in the generated aerosol is less than about 1000 nm;
Aerosol density is at least 0.1 μg/cc.

Optionally at least 10 μg of nicotine, preferably at least 30 μg or 40 μg of nicotine is aerosolized from said aerosol-generating material under an air flow of at least 1.50 L/m for the 2 seconds. Optionally less than about 200 μg, preferably less than about 150 μg or less than about 125 μg of nicotine is aerosolized from the aerosol generating material under an air flow of at least 1.50 L/m for the 2 seconds.

Optionally at least 100 μg of aerosol-forming material, preferably at least 200 μg, 500 μg or 1 mg of aerosol-forming material is aerosolized from said aerosol-generating material under an air flow of at least 1.50 L/m for a period of 2 seconds. . Suitably the aerosol-forming material may comprise or consist of glycerol.

The term "average particle or droplet size" as defined herein means the average size of the solid or liquid components of an aerosol (ie, the components suspended in the gas). When an aerosol contains suspended liquid droplets and suspended solid particles, the term refers to the average size of all components combined.

In some cases, the average particle or droplet size of the generated aerosol may be 900 nm, 800 nm, 700 nm, 600 nm, 500 nm, 450 nm or less than 400 nm. In some cases, the average particle or droplet size may be greater than about 25 nm, 50 nm or 100 nm.

Optionally, the density of the aerosol generated during said period may be at least 0.1 μg/cc. In some cases the aerosol density is at least 0.2 μg/cc, 0.3 μg/cc or 0.4 μg/cc. In some cases, the aerosol density is less than about 2.5 μg/cc, 2.0 μg/cc, 1.5 μg/cc or 1.0 μg/cc.

The non-combustion aerosol delivery device is configured to heat the aerosol generating material 3 of the article 1, 1', 1'', 1''', 1'''' to a maximum temperature of preferably at least 160°C. There is. Preferably, the non-combustion aerosol supply device applies the aerosol forming material 3 of the article 1, 1', 1'', 1''', 1'''' at least once during the heating process by the non-combustion aerosol supply device. It is configured to heat to a maximum temperature of at least about 200°C, or at least about 220°C, or at least about 240°C, more preferably at least about 270°C.

Using an aerosol delivery system including a coil as described herein, such as an induction coil that heats at least a portion of the aerosol-generating material to at least 200°C, more preferably at least 220°C, the aerosol is delivered to the mouthpiece. 2, 2', 2'', 2''', 2''', 2'''' than the previous device contributing to the generation of aerosol which is believed to be closer to the FMC product upon exiting the mouth end. It is possible to generate a higher temperature aerosol from the aerosol generating material of Articles 1, 1', 1'', 1''', and 1'''' described in . For example, the maximum aerosol temperature measured at the mouth end of article 1, 1', 1'', 1''', 1'''' is preferably above 50°C, more preferably above 55°C, and More preferably, it is above 56°C or 57°C. Additionally or alternatively, the maximum aerosol temperature measured at the mouth end of the article 1, 1', 1'', 1''', 1'''' is less than 62°C, more preferably less than 60°C. , more preferably less than 59°C. In some embodiments, the maximum aerosol temperature measured at the mouth end of article 1, 1', 1'', 1''', 1'''' is preferably between 50°C and 62°C, more preferably is 56°C to 60°C.

Figure 6 shows a non-contact method for generating aerosols from an aerosol-generating medium/material, such as the aerosol-generating material 3 of the articles 1, 1', 1'', 1''', 1'''' described herein. An example of a combustion aerosol supply device 100 is shown. In general, the device 100 includes a replaceable article 110 containing an aerosol-generating medium for generating an aerosol or other inhalable medium that is inhaled by a user of the device 100, such as articles 1, 1' described herein. , 1'', 1''', 1''''. Device 100 and replaceable article 110 together form a system.

Device 100 includes a housing 102 (in the form of an outer cover) that surrounds and houses the various components of device 100. Device 100 has an opening 104 at one end through which an article 110 is inserted for heating by the heating assembly. In use, article 110 is fully or partially inserted into the heating assembly where it is heated by one or more parts of the heating assembly.

The device 100 in this example includes a first end member 106 that includes a lid 108 that is configured to close the opening 104 when the article 110 is not in place. It is movable against. Although lid 108 is shown in an open configuration in FIG. 6, lid 108 may be moved to a closed configuration. For example, the user slides lid 108 in the direction of arrow "B".

Device 100 may include a user-operable adjustment member 112, such as a button or switch that, when pressed, activates device 100. For example, a user may operate switch 112 to turn on device 100.

Device 100 also includes electrical components such as sockets/ports 114, which may house cables for charging device 100's battery. Socket 114 may be a charging port, such as a USB charging port.

FIG. 7 shows the device 100 of FIG. 6 with the outer cover 102 removed and no article 110 present. Device 100 defines a longitudinal axis 134.

As shown in FIG. 7, a first end member 106 is disposed at one end of the device and a second end member 116 is disposed at the opposite end of the device 100. First and second end members 106, 116 together at least partially define an end surface of device 100. For example, the bottom surface of second end member 116 at least partially defines the bottom surface of device 100. The edges of outer cover 102 also define a portion of the end surface. Lid 108 also defines a portion of the top surface of device 100 in this example.

The end of the device near the opening 104 is also known as the proximal end (or mouth end) of the device 100 because it is closer to the user's mouth in use. In use, a user inserts article 110 into opening 104, operates user controls to initiate heating of the aerosol-generating material, and inhales the aerosol generated by the device. This causes the aerosol to flow into the device 100 along a flow path toward the proximal end of the device 100.

The other end of the device away from the opening 104 is also known as the distal end of the device 100, since it is the end away from the user's mouth in use. When a user inhales the aerosol generated by the device, the aerosol flows away from the distal end of the device 100.

Device 100 further includes a power source 118. Power source 118 may be a battery, such as a rechargeable battery or a non-rechargeable battery. Examples of suitable batteries include lithium batteries (such as lithium ion batteries), nickel batteries (such as nickel-cadmium batteries), alkaline batteries, and the like. A battery is electrically connected to the heating assembly and provides power as needed and under control of a controller (not shown) to heat the aerosol generating material. In this example, the battery is connected to a central support 120 that holds the battery 118 in place.

The device further includes at least one electronic module 122. Electronic module 122 may include, for example, a printed circuit board (PCB). PCB 122 may support a controller such as at least one processor and memory. PCB 122 may also include one or more electrical tracks that electrically connect various electronic components of device 100 together. For example, battery terminals may be electrically connected to PCB 122 to allow power to be distributed throughout device 100. Socket 114 may also be electrically coupled to the battery via an electrical track.

In the example of device 100, the heating assembly is an induction heating assembly and includes various components for heating the aerosol generating material of article 110 via an induction heating process. Induction heating is the process of heating a conductive object (such as a susceptor) by electromagnetic induction. The induction heating assembly may include an induction member, such as one or more inductor coils, and a device for passing a varying current, such as an alternating current, through the induction member. The fluctuating current in the induction member generates a fluctuating magnetic field. The varying magnetic field penetrates a susceptor, preferably positioned relative to the guiding member, and generates eddy currents inside the susceptor. The susceptor has an electrical resistance to eddy currents, so that the flow of eddy currents against this resistance causes the susceptor to be heated by Joule heating. If the susceptor contains a ferromagnetic material such as iron, nickel or cobalt, heat is emitted by magnetic hysteresis losses within the susceptor, i.e. by changes in the orientation of the magnetic dipoles of the magnetic material as a result of matching a varying magnetic field. Yes. In induction heating, heat is emitted inside the susceptor compared to heating by conduction, for example, and allows for faster heating. Furthermore, there is no need for any physical contact between the dielectric heater and the susceptor, increasing the degree of freedom in structure and application.

The example induction heating assembly of device 100 includes a susceptor structure 132 (hereinafter "susceptor"), a first inductor coil 124, and a second inductor coil 126. The first and second inductor coils 124, 126 are made from electrically conductive material. In this example, the first and second inductor coils 124, 126 are made from litz wire/cable, which is helically wound to provide a helical inductor coil 124, 126. Litz wire includes multiple individual wires that are individually insulated and twisted together to form a single wire. Litz wire is designed to reduce skin effect losses in the conductor. In the example device 100, the first and second inductor coils 124, 126 are made from rectangular cross-section copper litz wire. In other examples, the litz wire may have a cross-section of other shapes, such as circular.

The first inductor coil 124 is configured to generate a first varying magnetic field for heating a first section of the susceptor 132 and the second inductor coil 126 is configured to generate a first varying magnetic field for heating a second section of the susceptor 132. The magnetic field is configured to generate two varying magnetic fields. In this example, first inductor coil 124 is adjacent to second inductor coil 126 in a direction along longitudinal axis 134 of device 100 (ie, first and second inductor coils 124, 126 do not overlap). Susceptor structure 132 may include a single susceptor or two or more susceptors. Ends 130 of the first and second inductor coils 124, 126 are connected to the PCB 122.

It will be appreciated that in some examples the first and second inductor coils 124, 126 may have at least one different characteristic. For example, first inductor coil 124 may have at least one different characteristic than second inductor coil 126. For example, in one example, first inductor coil 124 may have a different inductance value than second inductor coil 126. In FIG. 7, the first and second inductor coils 124, 126 are of different lengths such that the first inductor coil 124 is wound on a smaller section of the susceptor 132 than the second inductor coil 126. Accordingly, the first inductor coil 124 may have a different number of turns than the second inductor coil 126 (assuming the spacing between the individual turns is substantially the same). In yet another example, first inductor coil 124 may be made from a different material than second inductor coil 126. In some examples, the first and second inductor coils 124, 126 may be substantially the same.

In this example, the first and second inductor coils 124, 126 are shown wound in opposite directions. This is useful when the inductor coils are active at different times. For example, first inductor coil 124 is activated to heat a first section/portion of article 110 and then second inductor coil 126 is activated to heat a second section/portion of article 110. It's okay. Winding the coils in different directions helps reduce the current induced in the inductor coil when used with certain types of control circuits. In FIG. 7, the first inductor coil 124 is a right-handed helix, and the second inductor coil 126 is a left-handed helix. However, in other embodiments, the inductor coils 124, 126 may be wound in the same direction, or the first inductor coil 124 may be a left-handed helix and the second inductor coil 126 may be a right-handed helix.

The susceptor 132 in this example is hollow and thus defines a receptacle within which the aerosol generating material is received. For example, article 110 is inserted into susceptor 132. In this example, susceptor 132 is tubular and has a circular cross section.

Susceptor 132 may be made from one or more materials. Preferably susceptor 132 comprises carbon steel with a nickel or cobalt coating.

In some examples, susceptor 132 may include at least two materials that can be heated at two different frequencies for selective aerosolization of the at least two materials. For example, a first section of susceptor 132 (heated by first inductor coil 124) may include a first material, and a second section of susceptor 132, heated by second inductor coil 126, may include a different material. 2 materials may be included. In another example, the first section may include first and second materials, and the first and second materials may be separately heated based on actuation of the first inductor coil 124. The first and second materials may be adjacent along an axis defined by susceptor 132 or may form different layers within susceptor 132. Similarly, the second section may include third and fourth materials, which may be separately heated based on actuation of the second inductor coil 126. The third and fourth materials may be adjacent along an axis defined by susceptor 132 or may form different layers within susceptor 132. For example, the third material may be the same as the first material and the fourth material may be the same as the second material. Alternatively, each of these materials may be different. The susceptor may include carbon steel or aluminum, for example.

Device 100 of FIG. 7 is generally tubular and further includes an insulating member 128 that at least partially surrounds susceptor 132. Device 100 of FIG. Insulating member 128 may be constructed from any insulating material, such as plastic. In this particular example, the insulating member is constructed from polyetheretherketone (PEEK). Insulating member 128 helps insulate various components of device 100 from heat generated within susceptor 132.

Insulating member 128 may also fully or partially support first and second inductor coils 124, 126. For example, as shown in FIG. 7, first and second inductor coils 124, 126 are positioned about and contact a radially outer surface of insulating member 128. In some examples, insulating member 128 does not abut first and second inductor coils 124, 126. For example, a small gap may exist between the outer surface of the insulating member 128 and the inner surfaces of the first and second inductor coils 124, 126.

In a specific example, susceptor 132, insulating member 128, and first and second inductor coils 124, 126 are coaxial about a central longitudinal axis of susceptor 132.

FIG. 8 is a partially sectional side view of the device 100. An outer cover 102 is shown in this example. The rectangular cross-sectional shapes of the first and second inductor coils 124, 126 are more clearly visible.

Device 100 further includes a support 136 that engages one end of susceptor 132 to hold susceptor 132 in place. Support 136 is connected to second end member 116.

The device also includes a second printed circuit board 138 associated with adjustment member 112 .

Device 100 further includes a second lid/cap 140 and a spring 142 located toward the distal end of device 100. Spring 142 opens second lid 140 to allow access to susceptor 132. A user may open second lid 140 to clean susceptor 132 and/or support 136.

Device 100 further includes an expansion chamber 144 extending away from the proximal end of susceptor 132 and toward opening 104 of the device. Disposed at least partially within expansion chamber 144 is a retention clip 146 that abuts and retains article 110 when received within device 100. Expansion chamber 144 is connected to end member 106.

FIG. 9 is an exploded view of device 100 of FIG. 8 with outer cover 102 omitted.

FIG. 10A is a cross-sectional view of a portion of device 100 of FIG. FIG. 10B is an enlarged view of a region of FIG. 10A. 8A and 8B show an article 110 contained within a susceptor 132, the article 110 being dimensioned such that its outer surface abuts the inner surface of the susceptor 132. This provides the most efficient heating. Article 110 in this example includes an aerosol generating material 110a. Aerosol generating material 110a is positioned within susceptor 132. Article 110 may also include other components such as filter wrappers and/or cooling structures.

FIG. 10B shows that the outer surface of the susceptor 132 is separated from the inner surfaces of the inductor coils 124, 126 by a distance 150 measured perpendicular to the longitudinal axis 158 of the susceptor 132. In one particular example, the distance 150 is approximately 3 mm to 4 mm, approximately 3 mm to 3.5 mm.
, or approximately 3.25 mm.

FIG. 10B further shows that the outer surface of the insulating member 128 is spaced from the inner surface of the inductor coils 124, 126 by a distance 152 measured perpendicular to the longitudinal axis 158 of the susceptor 132. In one particular example, distance 152 is approximately 0.05 mm. In another example, the distance 152 is substantially 0 mm such that the inductor coils 124, 126 abut and touch the insulating member 128.

In one example, the wall thickness 154 of the susceptor 132 is about 0.025 mm to 1 mm, or about 0.05 mm.

In one example, the length of susceptor 132 is about 40 mm to 60 mm, about 40 mm to 45 mm, or about 44.5 mm.

In one example, the wall thickness 156 of the insulating member 128 is about 0.25 mm to 2 mm, 0.25 mm to 1 mm, or about 0.5 mm.

In use, the articles 1, 1', 1'', 1''', 1'''' described herein can be used in a non-combustible aerosol delivery system, such as the device 100 described with reference to Figures 6-10. inserted into the device. At least a portion of the mouthpiece 2, 2', 2'', 2''', 2'''' of the article 1, 1', 1'', 1''', 1'''' is non-combustible. system aerosol delivery device 100 and placed into the user's mouth. An aerosol is generated by heating the aerosol generating material 3 using the device 100. The aerosol generated by the aerosol generating material 3 travels to the user's mouth through the mouthpieces 2, 2', 2'', 2''', 2''''.

The articles 1, 1', 1'', 1''', 1'''' described herein can be used in non-combustion aerosol delivery devices, such as the device 100 described with reference to Figures 6-10. It is particularly advantageous when used. Surprisingly, the amorphous solid material body 6 has a particularly significant influence on the temperature of the aerosol delivered to the mouth end of the article 1, 1', 1'', 1''', 1''''. I know to give.

Testing was conducted on two comparative smoking articles and an exemplary embodiment of the invention. Comparative Examples A and B are the same as Article 1'' except that Comparative Examples A and B include a body of fibrous material 4 instead of a body of amorphous solid material 6. Comparative Example A has a ventilation level of 60% and Comparative Example B has a ventilation level of 75%. The exemplary article is the same as article 1'' with 60% ventilation.

Testing was performed on the first two puffs of the article. Each sample was tested nine times and the resulting temperature is the average of these nine tests. The known Health Canada Intense puffing regime (55 ml puff volume applied for 2 seconds every 30 seconds) was applied using standard test equipment. The results of the test are shown in Table 1, where puff temperature indicates the difference between room temperature and aerosol temperature.

The aerosol temperature across the first and second puffs from the exemplary article comprising the body of amorphous solid material as shown in Table 1 is lower than the aerosol temperature across these puffs of either Comparative Example A or B. The aerosol temperature across Puff 1 and Puff 2 of the exemplary article with 60% ventilation corresponds to the aerosol temperature across Puff 1 and Puff 2 of Comparative Example B with 75% ventilation. High ventilation levels have the effect of cooling aerosol temperatures, so it is significant to achieve comparable aerosol temperatures in articles with ventilation levels of 15% or less.

FIG. 11 illustrates a method of manufacturing an article for use in a non-combustion aerosol delivery system. In step S101, a sheet-shaped amorphous solid material source is passed through an apparatus to form a rod made of amorphous solid material in which the sheet material is assembled.

In step S102, the assembled rod of amorphous solid material is cut to length to form a body of amorphous solid material as defined herein.

FIG. 12 is a side view of an apparatus for manufacturing a material rod according to the present specification.

FIG. 12 shows an apparatus 200 for manufacturing a material body according to the invention, comprising a tongue 211 and a guide nozzle 212 comprising a funnel part. The tongue 211 is a tapered duct with a wide inlet opening 211b and a narrow outlet opening 211a. The tongue 211 is generally circular in cross-section and is in the form of an elongated slot (not shown) extending axially along the length of the tongue such that in cross-section the tongue 211 does not form a complete circle. It may be opened at the bottom side. The tongue 211 may be located in a guide (not shown) that includes a forming track along which a continuous belt or "garniture" 215 extends. Garniture 215 extends over a plurality of guide rollers 216 and is driven to be conveyed around rollers 216 in the direction shown by arrow "A." Wrapper paper "P" is fed from spool 217 onto the top of garniture 215 and is conveyed past tongue 211 by moving garniture 215. As the wrapper paper P moves within the tongue 211, the forming track deforms the garniture and the wrapper paper above it such that in cross section the wrapper paper P becomes flat as it enters the wide entrance opening 211b of the tongue 211. (as when it is in the spool) so that when it exits the narrow exit opening 211a of the tongue 211 it completely surrounds the formed rod in a closed circle. There is.

In use, a bobbin (not shown) of amorphous solid material is fed into the funnel of the guide nozzle 212 and guided into the tongue 211, causing the amorphous solid material to pass through the sheet of amorphous solid material. is fed into a continuously tapered tongue 211 to form a rod by gathering the material as it exits the narrow distal end 211a.

When the amorphous solid material is fed into the tongue 211, it is gathered onto the wrapper paper P being conveyed on the garniture 215 and is conveyed through the tongue 211 with it. As the amorphous solid material moves within the tongue 211, the material is pressed as the tongue 211 tapers inward, and the wrapper paper P ensures that the amorphous solid material passes through the narrow exit opening of the tongue 211. A pressed cylinder of amorphous solid material brought together such that on exiting through section 211a the amorphous solid material forms a pressed cylindrical rod surrounded by an outer wrapper paper P. folded around the outside of.

Rods formed by the methods described herein are cut to length to form a plurality of bodies of material according to the present invention.

The various embodiments described herein are provided merely as an aid to understanding and teaching the claimed features. These embodiments are merely representative examples and are not exhaustive or exclusive. It is to be understood that the advantages, embodiments, implementations, features, structures, and/or other aspects of this disclosure limit the disclosure as defined in the claims or equivalents of the claims. It should not be considered as limiting, and that other embodiments may be utilized or modified without departing from the scope and/or spirit of the disclosure. The various embodiments may suitably comprise, consist of, or consist essentially of the disclosed elements, components, features, parts, steps, means, and other combinations. This disclosure also includes other inventions that are not currently claimed but may be claimed in the future.

Claims (30)

An article for use in a non-combustion aerosol delivery system, the article comprising a mouthpiece including a body of material, the body of material comprising an amorphous solid material. 2. The article of claim 1, wherein the body of material comprises an assembled sheet of amorphous solid material. 3. Article according to claim 1 or 2, characterized in that the body of material comprises an elongated strip of amorphous solid material. 4. The article of claim 3, wherein the elongate strip is substantially aligned with the longitudinal axis of the article. Claims 1 to 4, wherein the mouthpiece further comprises a section, the further section being a body of fibrous material or a hollow tubular member, the mouthpiece comprising a mouth end and a distal end. The article described in any one of the items. 6. Article according to claim 5, characterized in that the further section is located at the mouth end of the mouthpiece. 7. Article according to claim 5 or 6, characterized in that the further section is a first further section and the mouthpiece further comprises a second further section. 8. Article according to claim 7, characterized in that the second further section is a body of fibrous material or a hollow tubular member. 9. Article according to claim 7 or 8, characterized in that the first further section and the second further section are both hollow tubular members. 10. The article of claim 9, wherein each hollow tubular member is a hollow tubular member formed from a paper tube or filament tow. 11. Article according to any one of claims 7 to 10, characterized in that the second further section is located at the distal end of the mouthpiece. 9. Article according to any one of claims 5 to 8, characterized in that the body of material is located at the distal end of the mouthpiece. 13. The amorphous solid material has a thickness of 0.015 mm to 0.5 mm, 0.1 mm to 0.3 mm, or 0.15 mm to 0.25 mm. goods. 14. Article according to any one of claims 1 to 13, characterized in that the amorphous solid material is laminated to a support material. 15. Article according to claim 14, characterized in that the support material is paper or foil. 16. Article according to any one of the preceding claims, characterized in that the amorphous solid material is wrinkled. 17. Article according to any one of the preceding claims, characterized in that the amorphous solid material comprises a flavoring agent, optionally the flavoring agent being menthol. The amorphous solid material contains 0.1% to 65% by dry weight, or 1% to 60% by dry weight, or 10% to 55% by dry weight, preferably 40% to 50% by dry weight. 18. The article of claim 17, comprising: 19. Article according to any one of the preceding claims, characterized in that the amorphous solid comprises a gelling agent, the gelling agent being one of pectin, gelatin, polysaccharide or carrageenan. 20. An article according to any one of claims 1 to 19, further comprising an aerosol generating material. 21. The article of claim 20, wherein the aerosol generating material is connected to the distal end of the mouthpiece. 22. A system comprising the article of claim 20 or 21 and a non-combustion aerosol supply device for heating an aerosol generating material of the article. 23. The system of claim 22, wherein the non-combustion aerosol delivery device includes a coil. 24. The system of claim 22 or 23, wherein the non-combustion aerosol delivery device is configured to heat the aerosol generating material of the article to a maximum temperature of at least 200<0>C. The non-combustion aerosol delivery device is configured to heat the aerosol-forming material of the article to a maximum temperature of at least about 160°C, or at least 200°C, or at least about 220°C, or at least about 240°C, or at least about 270°C. 25. The system of claim 24. A method of manufacturing an article for use in a non-combustion aerosol delivery system, the article comprising a mouthpiece including a body of material, the body of material comprising an amorphous solid material, the method comprising: providing a source of solid material; passing the amorphous solid material through an apparatus to form a rod of assembled amorphous solid material; and cutting the rod of amorphous solid material to forming a material body. 27. A method according to claim 26, characterized in that the amorphous solid material has a width of 150 mm to 500 mm. 28. A method according to claim 26 or 27, characterized in that the amorphous solid material is cut into pieces before passing through the device. 29. A method according to claim 26, 27 or 28, characterized in that the amorphous solid material is wrinkled before passing through the device. 30. The method of claim 26, 27, 28 or 29, wherein the body of amorphous solid material is combined with a source of aerosol generating material to form an article for use in a non-combustion aerosol delivery system.

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