KR20240023440A - Components for articles for use in aerosol delivery systems - Google Patents

Abstract

A component for an article for use in an aerosol delivery system includes a body of material, the body having a longitudinal axis and extending through the body, the one or more sheets having about 1,000 to about 50,000 Coresta. It has a permeability of units, and the component has an average bulk density across the body of about 0.05 to about 0.5 gms/cm3. Articles comprising the components and methods of manufacturing are also disclosed.

Description

Components for articles for use in aerosol delivery systems

The present invention relates to components for articles for use in aerosol provision systems, articles for use in aerosol provision systems, and methods of manufacturing components for articles for use in aerosol provision systems. .

Known aerosol delivery systems, such as cigarettes, include a filter, which generally performs a filtration function to change some properties of the aerosol drawn therethrough, for example to remove components of the aerosol. Contains at least one section provided for:

According to embodiments of the invention, in a first aspect, a component is provided for an article for use in an aerosol delivery system, the component comprising a body of material, the body having a longitudinal axis and extending through the body. comprising one or more sheets, wherein the one or more sheets have a permeability of about 1,000 to about 50,000 Coresta Units, and the component has an average bulk density across the body of about 0.05 to about 0.5 gms/cm3. have

One or more sheets may be crimped and/or gathered to form the body of material.

One or more sheets may include a cellulose-based material. The one or more sheets may be paper sheets, sheets of tobacco material, sheets of non-tobacco herbal medicine material, or combinations thereof.

One or more sheets may have a basis weight of about 20 to about 80 gsm, or about 30 to about 50 gsm, or about 36 to about 45 gsm, or about 55 to about 75 gsm.

One or more sheets can have an uncrimped thickness of about 50 μm to about 500 μm, about 50 μm to about 350 μm, about 60 μm to about 300 μm, or about 60 μm to about 160 μm. .

The body of material may have a weight of about 5 mg to about 15 mg per mm of length of the body, or about 8 mg to about 12 mg per mm of length of the body, or about 10 mg per mm of length of the body.

The body of material has an average weight of about 0.05 to about 0.4 gms/cm3, about 0.05 to about 0.35 gms/cm3, about 0.1 to about 0.3 gms/cm3, about 0.16 to about 0.25 gms/cm3, or about 0.2 to about 0.25 gms/cm3. It can have bulk density.

The component may include a wrapping material surrounding the body of material. The wrapping material may comprise a basis weight of about 30 to about 75 gsm, or about 40 to about 65 gsm.

The one or more sheets may include an aerosol modification additive or agent as described herein. The aerosol modifying additives include glycerin, glycerol, propylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, 1,3-butylene glycol, erythritol, meso-erythritol, ethyl vanillate, ethyl laurate, diethyl Suberate, triethyl citrate (TEC), triacetin, diacetin mixture, benzyl benzoate, benzyl phenyl acetate, tributyrin, lauryl acetate, lauric acid, myristic acid, propylene carbonate, polyethylene glycol (PEG) , tetra(ethylene glycol) diacrylate (TEGDA), or alkyl ketene dimer (AKD).

The aerosol modifying additive or agent may comprise from about 7% to about 20% or from about 9% to about 18% by weight of the one or more sheets measured on a dry weight basis.

The aerosol modifying additive or agent may be applied to the one or more sheets of material as a liquid having a viscosity of 5 to 100 centipoise at 25°C.

The one or more sheets can have an overall width of about 100 mm to about 350 mm, or about 120 mm to about 300 mm.

At least one of the one or more sheets extending through the body may include a crimped sheet material formed to have a crimp pattern comprising a series of substantially parallel ridges and grooves, wherein the average spacing between adjacent ridges is greater than about 0.3 mm and/or the average depth or amplitude of the ridges and grooves is from about 0.1 mm to about 0.8 mm.

The crimp may be applied using a roller surface having a temperature of greater than 30°C, greater than 40°C or greater than 50°C.

The one or more sheets may have a permeability of about 5,000 to about 50,000 Coresta units. The one or more sheets may have a permeability of about 1,000 to about 10,000 Coresta units, in some examples about 2,000 to about 8,000 Coresta units. In other examples, the one or more sheets can have a permeability of about 5,000 to about 12,000 Coresta units.

The component may include a circumference ranging from about 16 mm to about 25 mm. The component may include a circumference of about 20 mm to about 23 mm.

Components can contain filters. The component may include a flavor delivery member embedded within the body of the material and surrounded by the body of the material on all sides. Alternatively or additionally, the component may include an aerosol modification additive or agent delivery member embedded within the body of the material and surrounded by the body of the material on all sides. In either case, the delivery member may include a capsule.

According to embodiments of the invention, in a second aspect, there is provided an article for use in an aerosol delivery system, the article comprising a component according to the first aspect above and a load of aerosol generating material.

The hardness of the component at its longitudinal center point may range from about 60% to about 95%, or from about 70% to about 95%.

The closed pressure drop across the component can be from about 1.5 mmWG to about 8.6 mmWG/mm of the length of the component, or from about 3 mmWG to about 6 mmWG/mm of the length of the component.

The tensile strength of the one or more sheets, measured according to ISO 1924-2:2008 in the longitudinal direction (machine direction) of the one or more sheets, may be greater than about 10 N/30 mm, and ranges from about 20 to about 100 N/30 mm, or about 25 to about 80 N/30 mm. The stretch in the longitudinal direction (machine direction) of the one or more sheets, as measured according to ISO 1924-2:2008, is less than 5%, for example, about 0.5% to about 4%, or about 0.9%. % to about 2.5%. The same tensile strength and stretch ranges can also be applied in the transverse direction (cross direction) across the width of one or more sheets.

The article may be an article for use in or as a flammable aerosol delivery system or a non-flammable aerosol delivery system, as described herein. The article may be an article for use in a tobacco heating system.

According to embodiments of the present invention, in a third aspect, a method of manufacturing a component for an article for use in an aerosol delivery system is provided, comprising supplying one or more sheets of material along a delivery path. - the one or more sheets have a permeability of about 1,000 to about 50,000 Coresta units, - forming the one or more sheets into a rod, wrapping the rod with a wrapper, and and cutting the rod to form the component, wherein the component has an average bulk density of about 0.05 to about 0.5 gms/cm3 across the component.

The method may further include applying an aerosol modification additive or agent to one or more sheets as the one or more sheets are fed along the delivery path. The aerosol modifying additive or agent may be applied as a liquid having a viscosity of 5 to 100 centipoise at 25°C. The method may include crimping one or more sheets using a roller surface at a temperature of greater than 30°C, greater than 40°C, or greater than 50°C. The one or more sheets may have a permeability of about 1,000 to about 10,000 Coresta units, in some examples, about 2,000 to about 8,000 Coresta units. In other examples, the one or more sheets can have a permeability of about 5,000 to about 12,000 Coresta units.

Embodiments of the present invention will now be described by way of example only with reference to the accompanying drawings:
1 is a cross-sectional side view of an article for use in an aerosol delivery system comprising an aerosol-generating material and components downstream of the aerosol-generating material.
Figure 2 is a cross-sectional view of the component of Figure 1 through line X-X'.
Figure 3 is a cross-sectional side view of an article for use in an aerosol delivery system comprising an aerosol-generating material and components downstream of the aerosol-generating material, the components including a flavor delivery member.
4 is a flow diagram illustrating a method of manufacturing components for an article for use in an aerosol delivery system.

As used herein, the term “delivery system” is intended to include systems that deliver a substance to a user and includes:

Flammable aerosol delivery systems, such as roll-your-own or homemade (for cigarettes, cigarillos, cigars, and pipes) Tobacco for make-your-own cigarettes (whether based on tobacco, tobacco derivatives, puffed tobacco, reconstituted tobacco, tobacco substitutes or other smokable materials);

Non-combustible systems that release compounds from an aerosolizable material without burning the aerosolizable material, such as electronic cigarettes, tobacco heating products, and hybrid systems that use a combination of aerosolizable materials to generate an aerosol. soft aerosol delivery systems;

Articles comprising an aerosol capable material and configured for use as part of one of these non-flammable aerosol delivery systems; and

Articles containing lozenges, gums, patches, inhalable powders, and snus and snuff that deliver material to the user without forming an aerosol. Aerosol-free delivery systems, such as smokeless tobacco products, where the ingredients may or may not include nicotine.

According to the present disclosure, a “combustible” aerosol delivery system is one in which the constituent aerosolizable materials of the aerosol delivery system (or components thereof) are combusted or burned to facilitate delivery to a user. It's a system.

According to the present disclosure, a "non-combustible" aerosol delivery system is one in which the constituent aerosolizable materials of the aerosol delivery system (or components thereof) are combusted or burned to facilitate delivery to a user. It is a system that cannot be defeated.

In embodiments described herein, the delivery system may be a flammable or non-flammable aerosol delivery system, such as a powered non-flammable aerosol delivery system.

The non-flammable aerosol delivery system described herein may be an electronic cigarette, also known as a vaping device or electronic nicotine delivery system (END), but the presence of nicotine in the aerosol-generating material It is noteworthy that is not required.

The non-combustible aerosol delivery system described herein may be a tobacco heating system, also known as a non-combustible heating system.

The non-flammable aerosol delivery system described herein can be a hybrid system for generating an aerosol using a combination of aerosol-capable materials, one or more of which can be heated. Each of the aerosol-enabled materials may be in the form of a solid, liquid or gel, for example, and may or may not contain nicotine. In one embodiment, the hybrid system includes a liquid or gel aerosolizable material and a solid aerosolizable material. Solid aerosolizable materials may include, for example, tobacco or non-tobacco products.

Typically, a non-flammable aerosol delivery system may include a non-flammable aerosol delivery device and articles for use with the non-flammable aerosol delivery system. However, it is envisioned that articles that themselves include means for powering the aerosol generating components can themselves form non-flammable aerosol delivery systems.

The non-flammable aerosol delivery device may include a power source and controller. The power source may be an electric power source or an exothermic power source. The heating power source includes a carbon substrate that can be energized to distribute power in the form of heat to an aerosol-enabled material or heat transfer material proximate to the heating power source. A power source, such as a heating power source, is provided to the article to form a non-flammable aerosol delivery system.

In one embodiment, an article for use with a non-flammable aerosol delivery device may include an aerosolizable material, an aerosol generating component, an aerosol generating area, a mouthpiece, and/or a region for receiving the aerosolizable material. there is.

In one embodiment, the aerosol generating component is a heater capable of interacting with the aerosolizable material to release one or more volatile substances from the aerosolizable material to form an aerosol. In one embodiment, the aerosol generating component can generate an aerosol from an aerosolizable material without heating. For example, an aerosol generating component can generate an aerosol from an aerosolizable material without applying heat, for example, through one or more of vibrational, mechanical, pressurized or electrostatic means.

In one embodiment, the aerosol-enabled material may include an active material, an aerosol-forming material, and optionally one or more functional materials. The active material may include nicotine (optionally retained in tobacco or tobacco derivatives) or one or more other non-olfactory physiologically active materials. Non-olfactory physiologically active materials are materials that are included in aerosolizable materials to achieve a physiological response other than olfactory perception.

Aerosol-forming materials include glycerine, glycerol, propylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, and 1,3-butyl. 1,3-butylene glycol, erythritol, meso-Erythritol, ethyl vanillate, ethyl laurate, diethyl suberate ), triethyl citrate, triacetin, diacetin mixture, benzyl benzoate, benzyl phenyl acetate, tributyrin, It may include one or more of lauryl acetate, lauric acid, myristic acid, and propylene carbonate.

One or more functional ingredients may include one or more of flavors, carriers, pH adjusters, stabilizers, and/or antioxidants.

In one embodiment, an article for use with a non-flammable aerosol delivery device may include an aerosolizable material or a region for receiving an aerosolizable material. In one embodiment, an article for use with a non-flammable aerosol delivery device may include a mouthpiece. The area for receiving aerosolizable material may be a storage area for storing aerosolizable material. For example, a storage area can be a repository. In one embodiment, the area for receiving aerosolizable material may be separate from the aerosol generating area, or may be combined with the aerosol generating area.

Aerosolizable materials, which may also be referred to herein as aerosol-generating materials, are materials that are capable of generating an aerosol, for example, when heated, irradiated, or energized in any other way. Aerosolizable materials may be in solid, liquid or gel form, which may or may not contain, for example, nicotine and/or flavoring agents. In some embodiments, the aerosolizable material may include an “amorphous solid,” which may alternatively be referred to as a “monolithic solid” (i.e., non-fibrous). In some embodiments, the amorphous solid may be a dried gel. Amorphous solids are solid materials that can retain some fluid, such as a liquid, inside them. In some embodiments, the aerosolizable material may comprise, for example, about 50%, 60%, or 70% amorphous solids by weight to about 90%, 95%, or 100% amorphous solids by weight. .

Aerosol-capable materials may be present on the substrate. The substrate is, for example, paper, card, paperboard, cardboard, reconstituted aerosolizable material, plastic material, ceramic material, composite material, glass, metal, or metal alloy, or These can be included.

An aerosol modifying agent is a substance that can modify an aerosol during use. Aerosol modifiers can modify aerosols in a way that produces physiological or sensory effects in the human body. Examples of aerosol modifiers include flavors and senses. Sensory agents produce sensory sensations that can be perceived through the senses, such as cool or sour.

Articles, for example articles in the shape of rods, are often named according to product length: "regular" (typically in the range of 68 to 75 mm, for example in the range of about 68 mm to about 72 mm), "short" or “mini” (68 mm or less), “king-size” (typically in the range of 75 to 91 mm, for example, from about 79 mm to about 88 mm), “long” or “ “super-king” (typically ranging from 91 to 105 mm, for example from about 94 mm to about 101 mm) and “extra-long” (typically ranging from about 110 mm to about 121 mm).

They are also named according to the product circumference: “regular” (about 23 to 25 mm), “wide” (above 25 mm), “slim” (about 22 to 23 mm), “demi-slim”. “demi-slim” (about 19 to 22 mm), “super-slim” (about 16 to 19 mm), and “micro-slim” (less than about 16 mm).

Accordingly, an article in king-size, super-slim format would, for example, have a length of about 83 mm and a perimeter of about 17 mm.

Each type can be produced with mouthpieces of different lengths. The mouthpiece length will be about 10 mm to 50 mm, for example 15 mm to 35 mm. The tipping paper connects the mouthpiece to the aerosol generating material and will generally have a longer length than the mouthpiece, for example 3 mm to 15 mm or 3 mm to 12 mm longer. Covers the mouthpiece and connects the mouthpiece to the rod, for example by overlapping the aerosol-generating material in the form of a rod of substrate material.

The articles described herein and their aerosol-generating materials and components may be manufactured in any of the above formats, but are not limited thereto.

As used herein, the terms 'upstream' and 'downstream' are relative terms defined in relation to the direction of the mainstream aerosol drawn through the article or device during use.

The filament tow materials described herein may include cellulose acetate fiber tow. In addition, filament tows include polyvinyl alcohol (PVOH), polylactic acid (PLA), polycaprolactone (PCL), and poly(1-4 butanediol succinate). 4 butanediol succinate) (PBS), poly(butylene adipate-co-terephthalate) (PBAT), starch-based materials, cotton, aliphatic polyester materials and polysaccharides. It can be formed using other materials used to form fibers, such as polymers or combinations thereof. The filament tow may be plasticized with a plasticizer suitable for the tow, such as triacetin if the material is a cellulose acetate tow, or the tow may be unplasticized. The tows can be of different cross sections such as 'Y' shape or 'X' shape, filamentary denier values of 1.5 to 12 denier per filament, for example 7 to 10 denier per filament and 5,000 to 50,000, e.g. It can have any suitable specification, such as fibers having total denier values from 10,000 to 40,000.

As used herein, the term “tobacco material” refers to any material including tobacco or derivatives or substitutes thereof. The term “tobacco material” may include one or more of tobacco, tobacco derivatives, puffed tobacco, reconstituted tobacco or tobacco substitutes. The tobacco material may include one or more of ground tobacco, tobacco fiber, cut tobacco, extruded tobacco, tobacco stem, tobacco lamina, reconstituted tobacco, and/or tobacco extract.

As used herein, the terms “flavour” and “flavourant” refer to a desired taste or aroma in a product for adult consumers, where local regulations allow. Refers to materials that can be used to produce aroma. One or more flavors can be used as an aerosol modifier described herein.

These include extracts (e.g. licorice, hydrangea, Japanese white bark magnolia leaf, chamomile, fenugreek, clove, menthol, Japanese mint). mint, aniseed, cinnamon, herb, wintergreen, cherry, berry, peach, apple, drambuie, bourbon, Scotch, whiskey, spearmint, peppermint, lavender, cardamom, celery, cascarilla, nutmeg, sandalwood oil. (sandalwood), bergamot, geranium, honey essence, rose oil, vanilla, lemon oil, orange oil, cassia ( cassia, caraway, cognac, jasmine, ylang-ylang, sage, fennel, allspice, ginger, anise, coriander, coffee, or menthol. Mint oil from any species of the genus Mentha), flavor enhancers, bitterness receptor site blockers, sensory receptor site activators or irritants ( stimulators, sugars and/or sugar substitutes (e.g. sucralose, acesulfame potassium, aspartame, saccharine, cyclamates, lactose) lactose, sucrose, glucose, fructose, sorbitol or mannitol) and charcoal, chlorophyll, minerals, botanicals or breath fresheners Contains other additives such as breath freshening agents. These may be imitation, synthetic or natural ingredients or blends thereof. These may be in any suitable form, for example oil, liquid, or powder.

In the drawings described herein, like reference numbers are used to illustrate equivalent features, items or components.

1 is a cross-sectional side view of an article 1 for use in an aerosol delivery system. In this case, the article 1 includes a cigarette. However, in an alternative embodiment, the same article 1 may be used as an article for use in a non-flammable aerosol delivery system. Article 1 can be used in a tobacco heating system, also known as a non-combustible heating system. In this case, the article 1 preferably further comprises a cooling element located downstream or upstream of the component 4 . The cooling element may be or include a tubular element. Advantageously, the cooling element is a paper tube because such tubes are relatively simple to manufacture using existing techniques and result in a lightweight component with a large internal hollow cavity that aids cooling. The cooling element may also include one or more apertures in the wall of the paper tube or other type of cooling element to assist cooling aerosols to pass through the cooling element.

The article ( 1 ) comprises an aerosol-generating material ( 2 ), in this case a cylindrical rod of tobacco material, and a downstream portion ( 3 ) downstream from the aerosol-generating material ( 2 ) and connected to the rod ( 2 ). The aerosol-generating material 2 provides an aerosol when combusted, for example if the load of aerosol-generating material 2 is combustible. In other embodiments, article 1 may be used within a non-flammable aerosol delivery device to form a non-flammable aerosol delivery system, or article 1 may be used as an aerosol delivery system without requiring a separate aerosol delivery device. It may contain its own heat source to form a . An example of a non-combustible aerosol delivery system is the tobacco heating system, also known as the non-combustible heating system mentioned above.

The downstream part 3 comprises a component 4 comprising a body of material 5 wrapped with a wrapping material 6 , in this case a plug wrap. The material forming the body 5 may be provided substantially uniformly over the entire volume of the body 5, for example in terms of its density.

Figure 2 is a cross-sectional view through line XX' of component 4 of Figure 1. Component 4 is illustrated separately from the remaining portions of article 1 and includes a body of material 5 and wrapping material 6 . As illustrated, the body of material 5 is formed from a crimped and corrugated sheet of material 7. Sheet 7 is laterally pleated to form body 5 with a generally cylindrical external shape.

Sheet 7 has a permeability of about 1,000 to about 50,000 Coresta units, in some examples about 5,000 to about 50,000 Coresta units. Such levels of permeability advantageously ensure that the material forming the body 5 is more uniformly distributed within the body 5 and that channels extending longitudinally through the body 5 are difficult to form in the component 4. has been found to cause. Therefore, for a given weight of sheet material 7, increased permeability results in a higher resistance to draw through the length of body 5. This means that a lower average density of the sheet material 7 can be used to achieve the desired drag resistance in the body 5, thus saving material. Additionally, the sheet material 7 with higher permeability also has a more open structure, and therefore for degradable materials, this may lead to an improvement in the time for the component 4 to deteriorate. there is. If the additives can be applied in liquid form to the sheet material 7, increased permeability can also result in a more absorbent sheet material 7, which allows for a larger volume of the additive to be applied for a given weight of material. This means that it can be applied.

The permeability of the sheet material 7 can be measured according to the international standard ISO 2965:2009, as is known to those skilled in the art.

Biodegradability can be measured according to the procedures set forth under ISO 14855.

Components as described herein, including component 4 of FIGS. 1 and 2 and component 4′ of FIG. 3, exhibit greater than 50% biodegradation within 30 days when exposed to fresh or salt water. It can be achieved.

Sheet 7 may have a permeability of about 1,000 to about 10,000 Coresta units, in some examples about 2,000 to about 8,000 Coresta units. In other examples, sheet 7 may have a permeability of about 5,000 to about 12,000 Coresta units.

In this example, the body 5 is formed by a single corrugated sheet of material 7. However, in alternative examples, body 5 may be formed from a plurality of sheets 7 of material gathered together to form body 5 . Each of the plurality of sheets of material may have the same or different properties, such as their dimensions, permeability, thickness, basis weight, and composition.

Sheet of material 7, or a plurality of sheets of material, as applicable, may have an average bulk density across body 5 of about 0.05 to about 0.5 gms/cm3. In some examples, the sheet of material 7, or a plurality of sheets of material, as applicable, has a weight of about 0.05 to about 0.35 gms/cm3, about 0.1 to about 0.3 gms/cm3, about 0.16 to about 0.25 gms/cm3, or about 0.2 to about 0.2 gms/cm3. It may have an average bulk density across the body 5 of about 0.25 gms/cm3. In some examples, the one or more sheets of material forming the body of material have an average density of about 0.1 to about 0.25 gms/cm3, or about 0.16 to about 0.2 gms/cm3. Bulk density takes the total weight of the body 5, including any additives within the body but excluding the capsules as described herein, excludes the weight of any wrappers around the body 5, and adds the resulting weight to the body 5. It can be calculated by dividing by the volume defined by the outer surface of (5).

One or more sheets 7 forming the body 5 may be formed from a cellulose-based material. For example, the one or more sheets may be paper sheets, sheets of tobacco material, sheets of non-tobacco herbal medicine material, or combinations thereof. The one or more sheets 7 forming the body 5 may have a basis weight of about 20 to about 80 gsm, or about 30 to about 50 gsm, or about 36 to about 45 gsm, or about 55 to about 75 gsm. there is. Alternatively or additionally, one or more sheets may have an uncrimped thickness of about 50 μm to about 500 μm, about 50 μm to about 350 μm, about 60 μm to about 300 μm, or about 60 μm to about 160 μm. thickness).

The material body 5 may have a weight of from about 5 mg to about 15 mg per mm of length of the body, or from about 8 mg to about 12 mg per mm of length of the body, or from about 10 mg per mm of length of the body. there is.

Wrapping material 6 preferably comprises a basis weight of about 30 to about 75 gsm, or about 40 to about 65 gsm. These basis weights, which are higher than those normally used, can help improve the circularity of the cross section of the material body 5.

If an aerosol modification additive is applied to one or more sheets of material 7, it may be selected from the group consisting of glycerin, glycerol, propylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, 1,3-butylene glycol, erythritol, meso- Erythritol, ethyl vanillate, ethyl laurate, diethyl suberate, triethyl citrate (TEC), triacetin, diacetin mixture, benzyl benzoate, benzyl phenyl acetate, tributyrin, lauryl acetate, lauric acid. , myristic acid, propylene carbonate, polyethylene glycol (PEG), tetra(ethylene glycol) diacrylate (TEGDA), or alkyl ketene dimer (AKD).

The aerosol modifying additive may comprise from about 7% to about 20%, or from about 9% to about 18% by weight of the one or more sheets, measured on a dry weight basis. The aerosol modifying additive can be applied to one or more sheets of material as a liquid having a viscosity of 5 to 100 centipoise at 25°C.

The one or more sheets of material 7 preferably have a combined overall width of about 100 mm to about 350 mm, or about 120 mm to about 300 mm. Such relatively large widths allow the rod to be formed with sufficient hardness while also providing a large surface area for application of aerosol modification additives, if applicable.

One or more sheets 7 can be crimped to increase the overall rigidity of the body 5 . At least one of the one or more sheets 7 extending through the body 5 may comprise a crimped sheet material formed to have a crimp pattern comprising a series of substantially parallel ridges and grooves. The average spacing between adjacent ridges may be greater than about 0.3 mm. Alternatively or additionally, the average depth or amplitude of the ridges and grooves is from about 0.1 mm to about 0.8 mm.

The crimp may be applied using a roller surface having a temperature of greater than 30°C, greater than 40°C or greater than 50°C.

In this example, article 1 has an outer circumference of approximately 24.5 mm (i.e., the article is regular format). In other examples, the article may be provided in any of the formats described herein, such as having a perimeter of 15 mm to 25 mm, such as 20 mm to 23 mm. In this example, component 4 has a length of 27 mm. In alternative embodiments, component 4 may have any length ranging from about 7 mm to about 35 mm, such as from about 8 mm to about 20 mm.

The circumference of the component 4 is substantially identical to the circumference of the rod of aerosol-generating material 2, so that there is a smooth transition between these components. In this example, the outer circumference of component 4 is approximately 24.3 mm.

In this example, a tipping paper (8) is wrapped around the entire length of the component (4) and over a portion of the rod of aerosol-generating material (2), its tip to connect the component (4) and the rod (2). Has adhesive on the inner surface. In this example, the tipping paper 8 extends by 5 mm above the rod of aerosol generating material 2, but it may alternatively be configured to extend between 3 mm and 15 mm, or by 4 mm and 6 mm above the rod 2. It can provide a secure attachment between the element (4) and the rod (3).

In this example, a rod of aerosol generating material (2) is wrapped in a wrapper (10). Wrapper 10 may be, for example, a paper or paper-backed foil wrapper for an article for use with a non-flammable aerosol delivery device.

In this example, article 1 has a ventilation level of approximately 40% of the aerosol drawn through article 1. In alternative embodiments, article 1 may have a ventilation level of 0% to 90% of aerosols drawn through article 1, such as 20% to 75%. Ventilation is provided directly into the components (4) of the article (1). In this example, the article 1 is provided with rows of parallel first and second perforations 12 through the tipping material 8 and the wrapping material 6, providing ventilation into the body 5. . In the present case, the perforations 12 are formed as laser perforations at positions approximately 18 mm and approximately 19 mm respectively from the mouth end 2b downstream of the downstream portion 3 . In alternative embodiments, ventilation may be provided into the downstream portion 3 at other locations. As mentioned above, ventilation can be provided into the cooling element of the article 1, which is an article for use in a non-flammable aerosol provision system, such as a tobacco heating system.

The hardness of component 4 at its longitudinal center point preferably ranges from about 60% to about 95%, or from about 70% to about 95%.

The hardness of component 4 can be measured according to the following protocol.

Any suitable device, such as a Borgwaldt Hardness Tester (H10), can be used to perform the measurements.

Hardness is defined as the ratio between the height of the body (h0) and the height of the body (h1) under a specified load, which is expressed as a percentage of h0. Hardness can be expressed as:

Hardness = (h1/h0) × 100

In the case of individual bodies or bodies held on multi-section rods, the hardness measurement is performed at the longitudinal center point of the body.

Load bars are used to apply specified loads to the body. The length of the load bar should be significantly longer than the length of the specimen to be measured. Before the hardness measurement, the body to be measured is conditioned according to ISO 3402 for at least 48 hours and maintained at environmental conditions according to ISO 3402 during the measurement.

To perform the hardness measurement, the body is placed in the hardness tester (H10), a pre-load of 2 g is applied to the body, and after 1 second, the initial height (h0) of the body under the pre-load of 2 g is It is recorded. The preload is then removed, a load bar carrying a load of 150 g is lowered onto the sample at a rate of 0.6 mm/s, and after 5 seconds, the height h1 of the body is measured under a load of 150 g.

Hardness is determined as the average hardness of at least 20 bodies or other components measured according to this protocol.

The closed pressure drop across component 4 is from about 1.5 mmWG to about 8.6 mmWG/mm of the length of component 4, or from about 3 mmWG to about 6 mmWG/mm of the length of component 4. It may be ㎜WG/mm. The closed pressure drop is the pressure drop measured through the length of component 4 with any ventilation apertures closed. The ISO standard ISO 6565:2015 can be used to measure closure pressure drop, as is known to those skilled in the art.

The tensile strength of the one or more sheets, measured according to ISO 1924-2:2008 in their longitudinal direction (machine direction), is preferably greater than about 10 N/30 mm and ranges from about 20 to about 100 N/30 mm. , or about 25 to about 80 N/30 mm. The stretch in the longitudinal direction (machine direction) of the one or more sheets, as measured according to ISO 1924-2:2008, is preferably less than 5%, for example from about 0.5% to about 4%. , or about 0.9% to about 2.5%. The same tensile strength and stretch ranges can also be applied in the transverse direction (cross direction) across the width of one or more sheets.

Figure 3 is a cross-sectional side view of an article 1' for use in an aerosol presentation system comprising an aerosol-generating material 2 and a component 4' downstream of the aerosol-generating material 2. The article 1' is the article described with reference to FIGS. 1 and 2, except that component 4' of the downstream portion 3' of FIG. 3 further comprises a flavor delivery member 9. Same as (1).

The flavor delivery member 9 delivers a flavor or flavoring agent as described herein into the aerosol passing through the component 4'. In this example, the flavor delivery member 9 is embedded within one or more sheets 7 of material of the body 5' and is surrounded on all sides. As an alternative to the flavor delivery member, additives other than flavor may be provided in the same member as described herein. The additive may be, for example, one of the aerosol modification additives or agents described herein.

The flavor delivery member 9 may include a capsule. In some embodiments, the flavor delivery member 9 includes first and second capsules.

In some embodiments, the or each capsule 9 includes an outer shell and an inner core.

The shell of each capsule 9 may be solid at room temperature. The shell may include, consist of, or consist essentially of alginate. However, it should be recognized that in alternative embodiments the shell is formed of a different material. For example, the shell may alternatively comprise, consist of, or consist essentially of gelatin, carrageenans or pectins. The shell may contain, consist of, or consist essentially of one or more of alginates, gelatin, carrageenans, or pectins.

The shell of each additive capsule may be impermeable or substantially impermeable to the flavor or flavoring agent or other agent of the core. Thus, the shell initially prevents the agent in the core from being released from the capsule. When the user wishes to modify the aerosol, the shells of one or more capsules rupture thereby releasing the agent.

In some embodiments, the or each capsule has a diameter ranging from 1 to 5 mm, preferably ranging from 2 to 4 mm. In some embodiments, the or each capsule has a diameter of about 3 mm or 3.5 mm. The or each capsule may be generally spherical. In other examples, other shapes and sizes of capsules may be used.

The total weight of each capsule may range from about 5 mg to about 50 mg, preferably about 10 to 30 mg. In some embodiments, each capsule weighs about 14 mg.

In some embodiments, the or each capsule is centered about the longitudinal axis of component 4'.

As discussed above, each capsule may have a core-shell structure. That is, the encapsulation material or barrier material creates a shell around a core containing the flavor or other aerosol modifier. The shell structure impedes migration of the aerosol modifier during storage of the article, but allows controlled release of the aerosol modifier, also referred to as an aerosol modifier, during use.

In some cases, the barrier material (also referred to herein as the encapsulation material) is brittle. The or each capsule is crushed or otherwise ruptured or destroyed by the user to release the encapsulated aerosol modifier. Typically, one or more of the capsules are destroyed just before heating begins, but the user can choose when to release the capsule's aerosol modifier. The user can then choose to destroy the other capsules at a later time, for example after heating has started. The user may choose to destroy another one of the capsules once a portion of the aerosol is released from the aerosol-generating material, such that the remaining aerosol-generating material is modified by the aerosol modifier of the other one of the capsules. Alternatively, the user may choose to destroy multiple capsules simultaneously.

The term "breakable capsule" refers to a capsule whose shell can be broken by pressure to release the core; More specifically, the shell may burst under the pressure exerted by the user's fingers when the user wishes to release the core of the capsule.

In some cases, the barrier material is heat resistant. That is, in some cases, the barrier will not rupture, melt, or otherwise fail at the temperature reached at the point of encapsulation during operation of the aerosol presentation device in which article 1 is used. Illustratively, a capsule positioned on an article may be exposed to temperatures ranging, for example, from 30° C. to 100° C., and the barrier material may continue to maintain the liquid core until at least about 50° C. to 120° C.

In other cases, the or each capsule releases the core composition upon heating, for example by melting the barrier material or by expansion of the capsule causing rupture of the barrier material.

The total weight of each capsule is suitably about 1 mg to about 100 mg, suitably 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. It may be in the range of mg.

The total weight of the core formulation may be from about 2 mg to about 90 mg, suitably 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. It may be a range.

In some embodiments, the or each capsule includes a core and shell as described above. The capsules may exhibit a crush strength of about 4.5 N to about 40 N, more preferably about 5 N to about 30 N, or about 28 N (e.g., about 9.8 N to about 24.5 N). . The capsule bursting strength of each capsule can be measured when the capsule is removed from the material body 6, using a force gauge to measure the force at which the capsule bursts when pressed between two flat metal plates. It can be measured. A suitable measuring device is a Sauter FK 50 force gauge with a flat head attachment, which can be used to crush the capsule against a flat, hard surface with a surface similar to the attachment.

The or each capsule may be substantially spherical and may have a diameter of at least about 0.4 mm, 0.6 mm, 0.8 mm, 1.0 mm, 2.0 mm, 2.5 mm, 2.8 mm, or 3.0 mm. The or each capsule may have a diameter of 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. By way of example, the capsule diameter may range from about 0.4 mm to about 10.0 mm, from about 0.8 mm to about 6.0 mm, from about 2.5 mm to about 5.5 mm, or from about 2.8 mm to about 3.2 mm. In some cases, each capsule may have a diameter of about 3.0 mm. These sizes are particularly suitable for incorporating capsules into articles as described herein.

Although only a single body 5, 5' of material has been described with reference to the figures, in alternative embodiments the components 4, 4' of FIGS. 1, 2 and 3 may be configured as tubular sections, such as tubular sections. It may include additional sections, such as other sections or additional bodies of material. The additional sections may be upstream, downstream, or both upstream and downstream of components 4, 4', and may be formed from any material suitable for use in the articles described herein. Additional sections, eg formed from filament tows as defined herein, may be provided upstream, downstream or both upstream and downstream of the body 5, 5' of material. The additional section(s) may be provided as a body of material or in other forms, such as a tubular form comprising hollow tubular portions upstream and/or downstream of the body 5, 5'.

4 is a flow diagram illustrating a method of manufacturing components for an article for use in an aerosol delivery system.

In step S101, one or more sheets of material are supplied along the delivery path, the one or more sheets having a permeability of about 1,000 to about 50,000 Coresta units, such as about 5,000 to about 50,000 Coresta units. The transfer path may be a path between rollers that guide one or more sheet materials into the rod forming machinery. In step S102, one or more sheets are formed into a rod. One or more sheets may first be crimped and then crimped together to form a rod. In step S103, the rod is wrapped with a wrapper, and in step S104, the rod is cut to form the component.

An aerosol modifying additive or agent may be applied to one or more sheets as they are fed along the delivery path. In this case, the aerosol modifying additive can be applied, for example, as a liquid with a viscosity of 5 to 100 centipoise at 25°C.

The method may also include crimping one or more sheets of material using a roller surface having a temperature of greater than 30°C, greater than 40°C, or greater than 50°C.

In order to address various issues and advance the field, this entire disclosure presents by way of example various embodiments capable of practicing the claimed invention(s) and providing superior delivery of smoking modifiers. The advantages and features of the present disclosure are merely a representative sample of embodiments and are not limited and/or exclusive. They are presented merely to aid understanding and to teach the claimed features. The advantages, embodiments, examples, functions, features, structures and/or other aspects of the disclosure are not subject to limitations on the disclosure as defined by the claims or limitations on their equivalents. It should be understood that other embodiments may be utilized and changes may be made without departing from the scope and/or spirit of the disclosure. Various embodiments may suitably include, constitute, or consist essentially of various combinations of the disclosed elements, components, features, parts, steps, means, etc. . Additionally, this disclosure includes other inventions that are not currently claimed, but may be claimed in the future.

Claims (27)

1. A component for an article for use in an aerosol delivery system, comprising:
The component includes a body of material,
The body has a longitudinal axis and includes one or more sheets extending through the body, the one or more sheets having a permeability of about 1,000 to about 50,000 Coresta Units, and the component having a permeability of about 0.05 to about 50,000 Coresta Units. having an average bulk density across the body of about 0.5 gms/cm3,
Components for articles for use in aerosol delivery systems. According to claim 1,
the one or more sheets are crimped and/or gathered to form the body of material,
Components for articles for use in aerosol delivery systems. According to claim 1 or 2,
wherein the one or more sheets comprise a cellulosic material,
Components for articles for use in aerosol delivery systems. According to clause 3,
The one or more sheets are paper sheets, sheets of tobacco material, sheets of non-tobacco herbal medicine material, or combinations thereof.
Components for articles for use in aerosol delivery systems. According to any one of claims 1 to 4,
The one or more sheets have a basis weight of about 20 to about 80 gsm, or about 30 to about 50 gsm, or about 36 to about 45 gsm, or about 55 to about 75 gsm.
Components for articles for use in aerosol delivery systems. According to any one of claims 1 to 5,
The one or more sheets have an uncrimped thickness of about 50 μm to about 500 μm, about 50 μm to about 350 μm, about 60 μm to about 300 μm, or about 60 μm to about 160 μm.
Components for articles for use in aerosol delivery systems. The method according to any one of claims 1 to 6,
The body of material has a weight of about 5 mg to about 15 mg per mm of length of the body, or about 8 mg to about 12 mg per mm of length of the body, or about 10 mg per mm of length of the body.
Components for articles for use in aerosol delivery systems. The method according to any one of claims 1 to 7,
The body of material has a weight of about 0.05 to about 0.4 gms/cm3, about 0.05 to about 0.35 gms/cm3, about 0.1 to about 0.3 gms/cm3, about 0.16 to about 0.25 gms/cm3, or about 0.2 to about 0.25 gms/cm3. having an average bulk density,
Components for articles for use in aerosol delivery systems. The method according to any one of claims 1 to 8,
comprising a wrapping material surrounding the body of the material,
Components for articles for use in aerosol delivery systems. According to clause 9,
The wrapping material comprises a basis weight of about 30 to about 75 gsm, or about 40 to about 65 gsm.
Components for articles for use in aerosol delivery systems. The method according to any one of claims 1 to 10,
wherein the one or more sheets include an aerosol modifying additive,
Components for articles for use in aerosol delivery systems. The method according to any one of claims 1 to 11,
The aerosol modifying additives include glycerin, glycerol, propylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, 1,3-butylene glycol, erythritol, meso-erythritol, ethyl vanillate, ethyl laurate, diethyl Suberate, triethyl citrate (TEC), triacetin, diacetin mixture, benzyl benzoate, benzyl phenyl acetate, tributyrin, lauryl acetate, lauric acid, myristic acid, propylene carbonate, polyethylene glycol (PEG) , comprising at least one additive selected from tetra(ethylene glycol) diacrylate (TEGDA) or alkyl ketene dimer (AKD),
Components for articles for use in aerosol delivery systems. The method according to any one of claims 1 to 12,
wherein the aerosol modifying additive comprises from about 7% to about 20% or from about 9% to about 18% by weight of the one or more sheets measured on a dry weight basis.
Components for articles for use in aerosol delivery systems. The method according to any one of claims 1 to 13,
wherein the aerosol modifying additive is applied to the one or more sheets of material as a liquid having a viscosity of 5 to 100 centipoise at 25°C.
Components for articles for use in aerosol delivery systems. The method according to any one of claims 1 to 14,
The one or more sheets have an overall width of about 100 mm to about 350 mm, or about 120 mm to about 300 mm,
Components for articles for use in aerosol delivery systems. The method according to any one of claims 1 to 15,
at least one of the one or more sheets extending through the body comprising a crimped sheet material formed with a crimp pattern comprising a series of substantially parallel ridges and grooves;
wherein the average spacing between adjacent ridges is greater than about 0.3 mm and/or the average depth or amplitude of the ridges and grooves is from about 0.1 mm to about 0.8 mm.
Components for articles for use in aerosol delivery systems. The method of claim 2 or 16,
The crimp is applied using a roller surface having a temperature of greater than 30°C, greater than 40°C or greater than 50°C.
Components for articles for use in aerosol delivery systems. The method according to any one of claims 1 to 17,
wherein the one or more sheets have a permeability of about 5,000 to about 50,000 Coresta units.
Components for articles for use in aerosol delivery systems. The method according to any one of claims 1 to 18,
The component comprises a circumference ranging from about 16 mm to about 25 mm.
Components for articles for use in aerosol delivery systems. The method according to any one of claims 1 to 19,
The component includes a filter,
Components for articles for use in aerosol delivery systems. The method according to any one of claims 1 to 20,
a flavor delivery member embedded within the body of the material and surrounded on all sides by the body of the material,
Components for articles for use in aerosol delivery systems. An article for use in an aerosol delivery system, comprising:
Comprising a component according to any one of claims 1 to 21 and a rod of aerosol generating material.
Articles for use in aerosol delivery systems. According to clause 22,
The hardness of the component at its longitudinal center point is in the range of about 60% to about 95%, or about 70% to about 95%,
Articles for use in aerosol delivery systems. A method of manufacturing a component for an article for use in an aerosol delivery system, comprising:
The above method is,
supplying one or more sheets of material along the delivery path, the one or more sheets having a permeability of about 1,000 to about 50,000 Coresta units;
forming the one or more sheets into a rod;
wrapping the rod with a wrapper; and
cutting the rod to form the component, wherein the component has an average bulk density across the component of about 0.05 to about 0.5 gms/cm3.
Method for manufacturing components for articles for use in aerosol delivery systems. According to clause 24,
further comprising applying an aerosol modification additive to the one or more sheets as they are fed along the delivery path.
Method for manufacturing components for articles for use in aerosol delivery systems. According to clause 25,
The aerosol modifying additive is applied as a liquid with a viscosity of 5 to 100 centipoise at 25°C.
Method for manufacturing components for articles for use in aerosol delivery systems. The method according to any one of claims 24 to 26,
Crimping one or more sheets using a roller surface having a temperature greater than 30°C, greater than 40°C or greater than 50°C,
Method for manufacturing components for articles for use in aerosol delivery systems.