Aerosol generating product

Abstract

The present disclosure provides an aerosol generating product. The aerosol generating product comprises a first functional section and a substrate section which are sequentially arranged. The substrate section is configured to be formed by winding or gathering an aerosol substrate sheet. The aerosol substrate sheet comprises an aerosol forming agent. Based on the dry weight of the aerosol substrate sheet, the weight of the aerosol forming agent is in the range of 15% to 30%. The density of the aerosol substrate sheet is in the range of 1000 mg / cm3 to 1500 mg / cm3. The first functional section is located at the end of the substrate section away from the lips. The interior of the first functional section is provided with an air passing channel. The air passing channel passes through at least one end of the first functional section in a first direction. The equivalent aperture of the air passing channel is in the range of 1 mm to 7 mm. By cooperatively designing the density of the aerosol substrate sheet, the content of the aerosol forming agent, and the equivalent aperture (i.e., air intake amount) of the air passing channel, that is, by cooperatively designing the density of the substrate section and the first functional section, the atomization effect of the aerosol generating product is improved, and the extraction effect and vaping taste of an aerosol are enhanced.

Description

Aerosol-generated products

[0001] Cross-references to related applications

[0002] This disclosure is based on and claims priority to patent applications No. 202411844283.8, filed on December 13, 2024, and No. 202511150970.4, filed on August 15, 2025, the entire contents of which are incorporated herein by reference. Technical Field

[0003] This disclosure relates to the field of smoke-generating products, and in particular to an aerosol-generating product. Background Technology

[0004] Aerosol generating articles can form aerosols by ignition or by heating without combustion (HNB). In HNB aerosol generating articles, the aerosol generating article is heated by an external heat source to a level sufficient to release aerosols. The aerosol generating article does not burn; instead, it is loaded with a smoke-generating agent. During use, the aerosol generating article is heated to release the smoke-generating agent and form an aerosol.

[0005] In existing aerosol generation systems, the atomization effect of aerosol-generated products is one of the indicators for evaluating their performance. Therefore, improving the atomization effect is one of the research directions in the industry. Summary of the Invention

[0006] In view of this, the present disclosure aims to provide an aerosol generating article that can improve the atomization effect of the aerosol generating article to a certain extent.

[0007] To achieve the above objectives, embodiments of this disclosure provide an aerosol-generating article, comprising a first functional segment and a matrix segment arranged sequentially along a first direction.

[0008] The matrix segment is constructed by winding or agglomerating an aerosol matrix sheet, the aerosol matrix sheet comprising an aerosol forming agent, the weight of which is in the range of 15% to 30% based on the dry weight of the aerosol matrix sheet, and the density of the aerosol matrix sheet is in the range of 1000 mg / cm³. 3 Up to 1500 mg / cm 3 Scope

[0009] The first functional segment is located at the distal lip of the matrix segment.

[0010] The first functional segment has an internal air passage that passes through at least one end of the first functional segment along the first direction.

[0011] The equivalent aperture of the air passage is in the range of 1 mm to 7 mm.

[0012] In one embodiment, the equivalent aperture of the air passage is in the range of 3 mm to 6 mm.

[0013] In one embodiment, the porosity of the first functional segment is greater than or equal to 18%.

[0014] In one embodiment, the dimension of the first functional segment along the first direction is in the range of 5mm to 10mm.

[0015] In one embodiment, the aerosol matrix sheet includes a sheet-like matrix, the sheet-like matrix including a plurality of matrix strips arranged in parallel, at least one connecting region being formed between adjacent matrix strips, the connecting region connecting adjacent matrix strips, and the aerosol matrix sheet being heatable to generate aerosol.

[0016] In one embodiment, the fill rate of the matrix segment is greater than or equal to 65%.

[0017] In one embodiment, the ratio of the mass of the matrix segment to the mass of the aerosol-generated article is greater than or equal to 45%.

[0018] In one embodiment, the length of the matrix segment is in the range of 8 mm to 20 mm, and the total mass of a single matrix segment is greater than or equal to 200 mg.

[0019] In one embodiment, the aerosol-generating article further includes a second functional segment located near the lip end of the matrix segment.

[0020] The second functional segment includes a hollow tube segment, the porosity of which is less than that of the first functional segment.

[0021] In one embodiment, the hollow pipe section has a hollow channel inside, and the equivalent aperture of the hollow channel is smaller than the equivalent aperture of the air passage.

[0022] In one embodiment, the second functional section further includes a filtration section, wherein the suction resistance of the second functional section is greater than or equal to 10 mm water column and less than or equal to 50 mm water column.

[0023] In one embodiment, the mass of the matrix segment is greater than or equal to 240 mg, and the ratio of the mass of the matrix segment to the mass of the second functional segment is greater than or equal to 1.5.

[0024] This disclosure provides an aerosol generating article, including a first functional segment and a matrix segment arranged sequentially along a first direction. The matrix segment is used to generate aerosols. By constructing the matrix segment as a coiled or aggregated aerosol matrix sheet, the integrity and overall strength of the matrix segment are improved, thereby reducing displacement and breakage caused by vibration, bending, pressure, etc. during transportation, storage, or use. It also improves the stability of the suction resistance, and further enhances the amount of smoke, suction stability, and yield. By providing an air passage inside the first functional segment and setting the equivalent pore size of the air passage to be in the range of 1mm to 7mm, external air can smoothly enter the matrix segment through the air passage, which is beneficial for the uniform and stable release of aerosols. Furthermore, by setting the density of the aerosol matrix sheet to 1000 mg / cm³, the aerosol generation article is further improved. 3 Up to 1500 mg / cm 3 The aerosol forming agent weight is set within the range of 15% to 30%, forming a high loading. By synergistically designing the density of the aerosol matrix sheet, the content of the aerosol forming agent, and the equivalent pore size (inlet volume) of the gas passage, the matrix section and the first functional section are coupled. This couples the inlet dynamics of the aerosol-generated product with the thermal characteristics of the matrix section. In other words, the heat storage capacity and atomization characteristics of the aerosol matrix sheet within this density range can be adapted to the inlet volume and gas flow rate of the first functional section. This ensures that the thermal field-flow field coupling of the aerosol-generated product is kept as balanced as possible. While considering the aerosol generation amount, it can also reduce the temperature difference between the far and near ends of the matrix section, control the pressure drop, and improve the problems of local overheating and insufficient local extraction. By synergistically designing the density of the matrix section with the first functional section, and combining it with the high loading of the matrix section, the atomization effect of the aerosol-generated product, as well as the aerosol extraction effect and the inhalation taste, are improved. Attached Figure Description

[0025] Figure 1 is a schematic diagram of the structure of an aerosol generation system according to some embodiments of the present disclosure;

[0026] Figure 2 is a schematic diagram of the structure of the aerosol-generated article according to the first embodiment of this disclosure;

[0027] Figure 3 is a schematic diagram of the structure of the aerosol-generated article according to the second embodiment of this disclosure;

[0028] Figure 4 is a schematic diagram of the structure of the sheet-like matrix according to the first embodiment of this disclosure;

[0029] Figure 5 is a schematic diagram of the sheet-like matrix according to the second embodiment of this disclosure;

[0030] Figure 6 is a schematic diagram of the structure of the aerosol-generated article according to the third embodiment of this disclosure.

[0031] Explanation of reference numerals in the attached drawings: 10. Aerosol generating product; 11. Matrix section; 111. Sheet matrix; 112. Matrix strip; 113. Connecting area; 114. Airflow channel; 12. First functional section; 121. Air passage; 13. Second functional section; 131. Hollow tube section; 1311. Hollow channel; 132. Filter section; 133. Support section; 134. Air inlet; 135. Coating layer; 20. Aerosol generating device; 21. Container chamber; 22. Heating element; 23. Energy supply element; 100. Aerosol generating system. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly described below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solutions of this disclosure, and are therefore only examples, and should not be used to limit the scope of protection of this disclosure. All other embodiments obtained by those skilled in the art based on the embodiments of this disclosure without creative effort are within the scope of protection of this disclosure.

[0033] In the description of the embodiments of this disclosure, technical terms such as "first," "second," and "third" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary or secondary relationship of the indicated technical features. In the description of the embodiments of this disclosure, "a plurality of" means two or more, unless otherwise explicitly defined.

[0034] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this disclosure. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0035] In the description of the embodiments of this disclosure, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects are in an "or" relationship.

[0036] In the description of the embodiments of this disclosure, unless otherwise expressly specified and limited, technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this disclosure according to the specific circumstances.

[0037] In the description of the embodiments of this disclosure, unless otherwise expressly specified and limited, the technical term "contact" should be interpreted broadly, and can be direct contact, contact through an intermediate medium layer, contact between two contacting parties with substantially no interaction force, or contact between two contacting parties with interaction force.

[0038] In the description of this disclosure, the orientation or positional relationship of "first direction" is based on the orientation or positional relationship shown in the accompanying drawings. It should be understood that these orientation terms are only for the convenience of describing this disclosure and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this disclosure.

[0039] The present disclosure will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0040] This disclosure provides an aerosol generating article 10. Referring to Figures 2 and 3, the aerosol generating article 10 includes a first functional segment 12 and a matrix segment 11 arranged sequentially. The matrix segment 11 is constructed by winding or agglomerating an aerosol matrix sheet. The aerosol matrix sheet includes an aerosol forming agent, the weight of which is in the range of 15% to 30% based on the dry weight of the aerosol matrix sheet. The density of the aerosol matrix sheet is in the range of 1000 mg / cm³. 3 Up to 1500 mg / cm 3 The first functional segment 12 is located at the distal lip end of the matrix segment 11. The interior of the first functional segment 12 has an air passage 121 that passes through at least one end of the first functional segment 12 along a first direction. The equivalent pore size of the air passage 121 is in the range of 1 mm to 7 mm.

[0041] In this embodiment of the disclosure, the aerosol generating article 10 is described as being suitable for suction by heating without combustion.

[0042] This disclosure also provides an aerosol generation system 100. Referring to FIG1, the aerosol generation system 100 includes an aerosol generation article 10 and an aerosol generation device 20 according to any embodiment of this disclosure.

[0043] The aerosol generating article 10 is used in conjunction with the aerosol generating device 20, which is used to contain and heat the aerosol generating article 10.

[0044] Aerosol generating article 10 is used to generate aerosols when heated for users to inhale.

[0045] In this embodiment of the disclosure, the aerosol-generated article 10 is generally cylindrical. The cylindrical shape can be a cylinder (i.e., with a circular cross-section), a prism (i.e., with a polygonal cross-section), an elliptical cylinder (i.e., with an elliptical cross-section), etc., and is not limited thereto.

[0046] Here, the number of aerosol generating products 10 contained in the aerosol generating device 20 can be one or more.

[0047] In this disclosure, "multiple" refers to two or more items.

[0048] The proximal end refers to the end of the aerosol generating article 10 that is closest to the user, i.e., the end closest to the mouth, when the user uses the aerosol generating article 10. The distal end refers to the end of the aerosol generating article 10 that is furthest from the user, i.e., the end furthest from the mouth, when the user uses the aerosol generating article 10. In other words, the two ends of the aerosol generating article 10 along the first direction are the proximal end and the distal end, respectively.

[0049] For example, the aerosol generating article 10 further includes a second functional segment 13, and the first functional segment 12 is located near the lip end of the matrix segment 11.

[0050] For example, the second functional segment 13 includes a filtering segment 132.

[0051] For example, the aerosol generated by the heated aerosol generating article 10 can flow through the filter section 132, which can filter out large particulate components and unwanted impurities in the aerosol. That is, the aerosol generated by the heated aerosol generating article 10 is filtered through the filter section 132 and then inhaled by the user.

[0052] For example, the second functional segment 13 also includes a hollow tube segment 131.

[0053] Hollow tube section 131 can cool down the aerosols flowing through it.

[0054] In an embodiment where the second functional segment 13 includes both a filter segment 132 and a hollow tube segment 131, the hollow tube segment 131 is disposed between the matrix segment 11 and the filter segment 132.

[0055] For example, the aerosol generated by the heated aerosol generating article 10 can first flow through the hollow tube section 131 for cooling. After cooling, the aerosol then flows through the filter section 132, which can filter out large particles and unwanted impurities in the aerosol. That is, the aerosol generated by the heated aerosol generating article 10 is cooled and filtered sequentially through the hollow tube section 131 and the filter section 132 before being drawn in by the user.

[0056] For example, the second functional segment 13 includes a support segment 133, which can support the aerosol-generated article 10. Of course, the support segment 133 can also cool the flowing aerosol.

[0057] This simplifies the structure of the aerosol-generating product 10, reduces the investment in production equipment and materials for the aerosol-generating product 10, and saves costs.

[0058] For example, please refer to Figures 2 and 3. The first functional segment 12 includes a front plug segment.

[0059] For example, please refer to Figure 3. The aerosol generating article 10 includes a front plug section, a matrix section 11, a hollow tube section 131 and a filter section 132 arranged in sequence.

[0060] For example, referring to FIG3, the aerosol generating article 10 also includes a coating layer 135, which wraps around the outer periphery of the fore plug section, the matrix section 11, the hollow tube section 131 and the filter section 132.

[0061] For example, the material of the wrapping layer 135 is one or more of paper, paper tube, tin foil, and aluminum foil.

[0062] For example, the wrapping layer 135 may be bottom-ventilated or bottom-sealed.

[0063] The pre-plug section is located at one end of the matrix section 11 and at the distal lip of the aerosol-generating product 10. On the one hand, during use, the pre-plug section can effectively reduce the probability of the matrix section 11 falling out of the encapsulation layer 135; on the other hand, it can also effectively prevent the aerosol from condensing and flowing downwards and remaining in the receiving chamber 21 of the aerosol generating device 20, thereby causing internal contamination of the receiving chamber 21 and making it difficult to clean, and also preventing cross-contamination of flavors when drawing different flavored aerosol-generating products 10.

[0064] For example, the materials of the pre-plug section include, but are not limited to, paper, non-woven fabric, rubber, polyethylene terephthalate, cellulose acetate, mineral-containing products, cellulose paper filter rods, plant polysaccharides, etc.

[0065] Of course, in other embodiments, the first functional segment 12 and / or the second functional segment 13 may also include a suction resistance adjustment segment.

[0066] For example, the second functional section 13 includes a suction resistance adjustment section. The aerosol generated by the heated aerosol generating product 10 first flows through the suction resistance adjustment section, then flows through the hollow tube section 131 for cooling. After cooling, the aerosol flows through the filtration section 132, which can filter out large particles and unwanted impurities in the aerosol. That is, the aerosol generated by the heated aerosol generating product 10 passes through the suction resistance adjustment section, the hollow tube section 131, and the filtration section 132 in sequence for suction resistance adjustment, cooling, and filtration before being drawn in by the user.

[0067] For example, the first functional segment 12 and / or the second functional segment 13 are columnar with a circular or elliptical cross-section. When the first functional segment 12 and / or the second functional segment 13 contain multiple functional segments with filtering and cooling effects, the longitudinal centers of the first functional segment 12 and / or the second functional segment 13 are coaxially aligned.

[0068] For example, the material of the filter section 132 includes, but is not limited to, cellulose acetate, polyethylene terephthalate, polypropylene fiber, cellulose paper filter rod, recycled tobacco, polylactic acid fiber, resin, plant polysaccharides, etc. The filter section 132 can filter and adsorb aerosols, thereby improving the purity and comfort of aerosols.

[0069] For example, the material of the hollow tube section 131 includes, but is not limited to, cellulose acetate, cellulose acetate propionate, PLA (polylactic acid), PET (polyethylene terephthalate), etc.

[0070] For example, referring to FIG1, the aerosol generating apparatus 20 includes a heating element 22 for heating the aerosol generating article 10 to generate aerosol.

[0071] The heating element 22 can heat the substrate segment 11 in any way. Exemplarily, the heating methods include center heating and peripheral heating. Center heating refers to the heating element being inserted into the substrate segment 11 to bake and heat it from the inside out. Peripheral heating refers to the heating element being positioned around the substrate segment 11 to bake and heat it from the outside in. These heating methods can specifically be at least one of resistance heating, electromagnetic heating, infrared heating, microwave heating, laser heating, etc., and are not specifically limited here.

[0072] Specifically, the aerosol generating device 20 includes a housing and a power supply component disposed within the housing. The housing has a receiving chamber 21. The power output section of the power supply component is disposed within the receiving chamber 21 or around the side wall of the receiving chamber 21. When the portion of the aerosol generating article 10 located in the first direction range is inserted into the receiving chamber 21, the power output section transmits electrical energy to the heating element 22 in a contact or non-contact manner. The heating element 22 receives energy from the outside and generates heat, thereby heating the aerosol generating article 10 and generating aerosol.

[0073] The weight of the aerosol forming agent can be any one of 15%, 16%, 17%, 18%, 20%, 22%, 23%, 25%, 26%, 27%, 28%, or 30%, or any combination thereof.

[0074] Aerosol forming agents are used to form aerosols.

[0075] Because the aerosol forming agent is highly hydrophilic, on the one hand, the drying process of the matrix strip 112 will affect the removal of moisture, requiring a greater drying intensity, and excessive drying intensity may lead to greater loss of the corresponding aroma components; on the other hand, during the storage of the aerosol-generated product 10, the aerosol forming agent will absorb moisture, which may lead to an increase in the moisture content of the matrix strip 112.

[0076] In this embodiment, based on the dry weight of the matrix strip 112, by setting the weight of the aerosol forming agent to a range of 15% to 30%, the matrix strip 112 can generate a certain amount of aerosol and have a certain amount of smoke, while reducing the water retention and moisture absorption capacity of the aerosol, thereby improving the situation where the high moisture content of the matrix strip 112 leads to a large loss of aroma during the drying process.

[0077] The density of aerosol matrix tablets can be 1000 mg / cm³. 3 1050mg / cm 3 1080mg / cm 3 1100mg / cm 3 1150mg / cm 3 1180mg / cm 3 1200mg / cm 3 1250mg / cm 3 1260mg / cm 3 1280mg / cm 3 1300mg / cm 3 1350mg / cm 3 1360mg / cm 3 1380mg / cm 3 1400mg / cm 31450mg / cm 3 1480mg / cm 3 1500mg / cm 3 The point value of any one of them or the point value between any two.

[0078] Here, when the density of the aerosol matrix sheet is greater than 1500 mg / cm³ 3 At this time, the adsorption resistance of matrix segment 11 may be relatively large, and the heat capacity may be relatively large, resulting in a small initial amount of smoke drawn in. This has a significant limitation on the generation and migration of aerosols. When the density of the aerosol matrix sheet is less than 1000 mg / cm³, 3 At the same time, it may result in insufficient stiffness of the matrix segment 11, a smaller amount of smoke in the later stages of inhalation, poor consistency of the matrix segment 11, and low inhalation satisfaction.

[0079] Thus, by setting the density of the aerosol matrix tablet to be greater than or equal to 1000 mg / cm³ 3 And less than or equal to 1500 mg / cm 3 This allows the substrate segment 11 to have appropriate draw resistance, as well as a certain degree of stiffness and smoke volume, which helps to improve the consistency of the substrate segment 11 and the satisfaction of vaping.

[0080] For example, the air passage 121 extends along the extension direction of the first functional segment 12.

[0081] For example, if the first functional segment 12 and the matrix segment 11 are arranged along a first direction, then the air passage 121 extends along the first direction.

[0082] The passage passage 121 passing through at least one end of the first functional section 12 along the first direction means that the passage passage 121 can pass through one end of the first functional section 12 along the first direction, preferably passing through both ends of the first functional section 12 along the first direction.

[0083] For example, the centerline of the air passage 121 may coincide with the central axis of the first functional section 12, or it may be parallel but not coincident.

[0084] The number of air passages 121 can be one or more.

[0085] The interior of the first functional section 12 forms an air passage 121, which facilitates the entry of external air into the matrix section 11 through the air passage 121, providing oxygen for the atomization of the matrix section 11 and extracting and cooling the generated aerosol.

[0086] The equivalent aperture of the air passage 121 is set to be greater than or equal to 1 mm and less than or equal to 7 mm. For example, the equivalent aperture of the air passage 121 can be a point value of any one of 1 mm, 1.2 mm, 1.3 mm, 1.5 mm, 1.6 mm, 1.8 mm, 2 mm, 2.2 mm, 2.5 mm, 2.8 mm, 3 mm, 3.2 mm, 3.5 mm, 3.8 mm, 4 mm, 4.5 mm, 5 mm, 5.2 mm, 5.5 mm, 5.8 mm, 6 mm, 6.2 mm, 6.5 mm, 6.7 mm, and 7 mm, or a point value between any two.

[0087] Preferably, the equivalent aperture of the air passage 121 is in the range of 3 mm to 6 mm.

[0088] The equivalent aperture of the air passage 121 is the inner diameter of the air passage 121.

[0089] By setting the air passage 121 to a size within this range, ensuring sufficient air intake for the first functional section 12 at the front end of the matrix section 11, the oxygen supply efficiency and aerosol generation kinetics of the heating zone of the matrix section 11 can be improved. This also mitigates issues such as uneven airflow distribution, anoxic pyrolysis, and aerosol generation inhibition. Furthermore, it can improve the problem of insufficient local oxygen concentration, thereby reducing the possibility of incomplete pyrolysis and decreasing the tendency of the cellulose pyrolysis path in the matrix section 11 to deviate towards coking, thus reducing tar release. Additionally, it can improve the problem of aerosol precursor retention, address issues such as insufficient vaporization of volatile organic compounds due to oxygen deficiency, aerosol generation reduction, thermal-flow field coupling imbalance, insufficient convective heat dissipation due to low air intake, and excessively high local temperatures in the matrix section 11.

[0090] By setting the air passage 121 to the size range, the suction resistance of the first functional section 12 can be made appropriate, reducing user fatigue. It can also reduce the residence time of aerosol in the high-temperature zone by the low-speed airflow, thereby improving the situation of fragrance components such as glycerin and propylene glycol condensing on the inner wall of the pipe, the accumulation of harmful substances, and the secondary volatilization of low-boiling-point substances such as formaldehyde and acetaldehyde in the low-temperature section. In other words, it can improve the situation of aerosol recondensation and deposition.

[0091] For example, in some embodiments, the matrix segment 11 may include tobacco plants, etc.

[0092] In other embodiments, the raw materials for the matrix segment 11 include protein sources, fiber sources, adhesives, soluble inorganic salts, and inorganic fillers. Specifically, the protein sources include one or more of rice protein, wheat protein, soybean protein, and pea protein; the fiber sources include one or more of bamboo fiber, isatis root fiber, soybean fiber, pea fiber, rice bran fiber, broadleaf fiber, and microcrystalline cellulose; the particle size of the protein sources and fiber sources is 80-120 mesh. The adhesives include one or more of guar gum, xanthan gum, carrageenan, sodium polyacrylate, sodium carboxymethyl cellulose, locust gum, konjac gum, and gellan gum. A mixture of one or more of sodium chloride, potassium carbonate, and sodium carbonate, and a mixture of one or more of sodium dihydrogen phosphate, sodium pyrophosphate, and sodium metaphosphate are used as soluble inorganic salts; a mixture of one or more of light calcium carbonate, heavy calcium carbonate, and alumina is used as an inorganic filler, the particle size of which is 160-200 mesh.

[0093] For example, 8-14 parts of protein source, 20-45 parts of fiber source, 10-20 parts of inorganic filler, and 2-8 parts of adhesive are taken and thoroughly mixed. Separately, 25-35 parts of glycerol, 8-15 parts of propylene glycol, 25-30 parts of fragrance, and 2-5 parts of inorganic salt are dissolved in 10-15 parts of water. The liquid materials are thoroughly mixed, and then the liquid materials are added to the stirred solid materials in a spray form and thoroughly mixed to obtain a matrix slurry. The matrix slurry is extruded to obtain a primary sheet matrix 111 structure of a first thickness. The primary sheet matrix 111 structure is pressed into an aerosol matrix sheet of a second thickness, wherein the first thickness is greater than the second thickness. The aerosol matrix sheet is cut into multiple unbroken matrix strips 112. The cut aerosol matrix sheets are then wound or aggregated.

[0094] This disclosure provides an aerosol generating article 10, comprising a first functional segment 12 and a matrix segment 11 arranged sequentially along a first direction. The matrix segment 11 is used to generate aerosol. By constructing the matrix segment 11 as a coiled or agglomerated aerosol matrix sheet, the integrity and overall strength of the matrix segment 11 are improved, thereby reducing displacement and breakage caused by vibration, bending, pressure, etc. during transportation, storage, or use. This improves the stability of the suction resistance and also helps to increase the amount of smoke, suction stability, and yield. By providing an air passage 121 inside the first functional segment 12 and setting the equivalent aperture of the air passage 121 to be in the range of 1mm to 7mm, external air can smoothly enter the matrix segment 11 through the air passage 121, which is beneficial for the uniform and stable release of aerosol. By setting the density of the aerosol matrix sheet to 1000mg / cm³, the aerosol generation article 10 is further improved. 3 Up to 1500 mg / cm 3The weight of the aerosol forming agent is set to be in the range of 15% to 30% to form a high load. By coordinating the density of the aerosol matrix sheet, the content of the aerosol forming agent, and the equivalent pore size (inlet volume) of the gas passage 121, the matrix section 11 and the first functional section 12 are coupled so that the inlet dynamics of the aerosol generating product 10 is coupled with the thermal characteristics of the matrix section 11. In other words, the heat storage capacity and atomization characteristics of the aerosol matrix sheet within this density range can be adapted to the inlet volume and gas flow rate of the first functional section 12, so that the thermal field-flow field coupling of the aerosol generating product 10 is kept as balanced as possible. While taking into account the amount of aerosol generated, the temperature difference between the far end and the near end of the matrix section 11 can be reduced, the pressure drop can be controlled, and the problems of local overheating and insufficient local extraction can be improved. By coordinating the density of the matrix segment 11 with the first functional segment 12, the atomization effect of the aerosol-generated product 10 is improved, as well as the extraction effect and suction taste of the aerosol, through the high load of the matrix segment 11 and the high air intake of the first functional segment 12.

[0095] In some embodiments, the porosity of the first functional segment 12 is greater than or equal to 18%.

[0096] In this way, external air can smoothly enter the matrix section 11 through the first functional section 12, which is conducive to the uniform and stable release of aerosols, and also makes the absorption resistance of the first functional section 12 appropriate.

[0097] For example, a hollow channel 1311 is formed inside the hollow tube section 131, and the hollow channel 1311 extends along a first direction.

[0098] The hollow tube section 131 forms a hollow channel 1311 inside, which is beneficial for the aerosol generated by the heating matrix section 11 to flow through the hollow channel 1311 for cooling. After passing through the hollow channel 1311, the aerosol flows through the filter section 132, which filters the aerosol.

[0099] The porosity of the hollow tube section 131 is less than that of the first functional section 12. This results in a relatively larger suction resistance of the hollow tube section 131 compared to the first functional section 12, allowing the air intake of the first functional section 12 to smoothly enter the matrix section 11, thus facilitating the uniform and stable release of aerosols and making it easier to extract aerosols.

[0100] The length of the hollow tube segment 131 is greater than or equal to 15 mm and less than or equal to 20 mm. For example, the length of the hollow tube segment 131 can be any one of 15 mm, 16 mm, 17 mm, 18 mm, 19 mm, and 20 mm, or any value between two of them.

[0101] The length of the hollow tube section 131 within this range can balance the cooling effect and reduce the condensation and retention of aerosols in the hollow tube section 131, thereby improving the aerosol extraction effect.

[0102] The equivalent aperture of the hollow channel 1311 is set to be greater than or equal to 1 mm and less than or equal to 3 mm. For example, the equivalent aperture of the hollow channel 1311 can be a point value of any one of 1 mm, 1.1 mm, 1.2 mm, 1.3 mm, 1.5 mm, 1.6 mm, 1.7 mm, 1.8 mm, 1.9 mm, 2 mm, 2.1 mm, 2.2 mm, 2.3 mm, 2.5 mm, 2.6 mm, 2.7 mm, 2.8 mm, 2.9 mm, and 3 mm, or a point value between any two.

[0103] The equivalent aperture of the hollow channel 1311 is the inner diameter of the hollow channel 1311.

[0104] The inner diameter of the hollow channel 1311 can affect the fluid flow state, while the Reynolds number (Re) is a dimensionless parameter used in fluid mechanics to describe the characteristics of fluid flow. Its core significance lies in quantifying the relative strength of inertial force and viscous force, thereby determining the fluid flow state (laminar or turbulent).

[0105] When Re < 2000, viscous forces dominate, and the fluid flow tends to be laminar; when Re > 2000, inertial forces dominate, and the fluid flow may change to turbulent flow.

[0106] The Nusselt number (Nu) is a dimensionless criterion number in heat transfer that characterizes the intensity of convective heat transfer in a fluid. It is defined as the ratio of the convective heat transfer coefficient to the pure conductive heat transfer coefficient.

[0107] At lower Reynolds numbers, laminar flow is generally dominant; at higher Reynolds numbers, flow tends towards turbulence. Turbulence is caused by differences between local fluid velocities and flow directions. These local velocities and directions may intersect or even be opposite, thus forming eddies.

[0108] Therefore, if the inner diameter of the hollow channel 1311 is too large, the aerosol flow will be laminar (Reynolds number Re less than 2000), and the heat exchange rate with the cooling wall will be low (Nusser number Nu less than or equal to 5). The measured cooling efficiency (temperature drop rate) is only 15℃ / cm–20℃ / cm, which may lead to the aerosol outlet temperature exceeding the standard, affecting the sucking experience. In addition, if the inner diameter of the hollow channel 1311 is too large, the fluid flow speed will be slow, and slow cooling will cause volatile components (such as glycerol and propylene glycol) to condense on the inner wall of the hollow channel 1311 (loss rate greater than or equal to 25%), reducing the density of effective aerosols. Furthermore, it will prolong the residence time of high-temperature aerosols and synergistically exacerbate the formation of harmful substances. Therefore, by setting the equivalent aperture of the hollow channel 1311 to be greater than or equal to 1 mm and less than or equal to 3 mm, the aerosol flow can be made to be turbulent (Reynolds number Re greater than 3000) and have a high heat exchange rate with the cooling wall (Nuser number Nu greater than or equal to 12).

[0109] This disclosure provides an aerosol generating article 10, comprising a second functional section 13 and a matrix section 11 arranged sequentially. The matrix section 11 is used to generate aerosols. By configuring the second functional section 13 to include a filter section 132 and a hollow tube section 131, with the hollow tube section 131 located between the matrix section 11 and the filter section 132, the second functional section 13 can not only adjust the suction resistance of the aerosol generating article 10, but also cool and support the matrix section 11 through the hollow tube section 131, and filter the generated aerosols through the filter section 132, thereby improving the suction experience. By setting the length of the hollow tube section 131 to be greater than or equal to 15 mm and less than or equal to 20 mm, the cooling effect and the reduction of aerosol condensation and retention in the hollow tube section 131 can be balanced, thereby improving the aerosol extraction effect. By setting the equivalent aperture of the hollow channel 1311 to be greater than or equal to 1 mm and less than or equal to 3 mm, the flow state of the aerosol can be made turbulent, which is beneficial to improving the cooling efficiency of the aerosol and reducing the proportion of air in the gas to correspondingly increase the proportion of aerosol, thereby increasing the aerosol concentration and enhancing the fullness and richness of the inhalation. In addition, the aperture within this range can take into account the nucleation and agglomeration of aerosols and have appropriate suction resistance, while allowing the gas to have a faster airflow velocity in the hollow channel 1311, enhancing the impact of aerosols during inhalation, improving the throat hit, reducing aerosol retention, and thus improving the inhalation experience. In other words, the aerosol generating article 10 of this embodiment, by setting the length of the hollow tube segment 131 to be greater than or equal to 15 mm and less than or equal to 20 mm, and setting the equivalent aperture of the hollow channel 1311 to be greater than or equal to 1 mm and less than or equal to 3 mm, can balance the cooling effect, aerosol nucleation and agglomeration, have suitable suction resistance, and enable the gas to have a faster airflow velocity in the hollow channel 1311, thereby enhancing the impact force of aerosol during suction, improving the throat hit sensation, reducing aerosol retention, and thus improving the aerosol extraction effect and suction taste.

[0110] For example, the aerosol generating article 10 has a suction resistance greater than or equal to 20 mm water column and less than or equal to 50 mm water column.

[0111] For example, the absorption resistance of the matrix segment 11 is greater than 0 and less than or equal to 5 mm of water column.

[0112] For example, the absorption resistance of the matrix segment 11 and the aerosol-generating article 10 can be tested according to GB / T 22838.5-2024.

[0113] The unit of suction resistance can be millimeters of water column (mmH2O).

[0114] For example, the absorption resistance of the matrix segment 11 can be any one of 0.01 mmH2O, 0.05 mmH2O, 0.1 mmH2O, 0.5 mmH2O, 1 mmH2O, 1.2 mmH2O, 1.5 mmH2O, 2 mmH2O, 2.2 mmH2O, 2.5 mmH2O, 3 mmH2O, 3.3 mmH2O, 3.5 mmH2O, 3.8 mmH2O, 4 mmH2O, 4.5 mmH2O, 4.8 mmH2O, 5 mmH2O, or a value between any two.

[0115] By setting the suction resistance of the matrix section 11 to be greater than 0 and less than or equal to 5 mm water column, the air intake of the first functional section 12 can smoothly enter the matrix section 11, which is conducive to the uniform and stable release of aerosols.

[0116] For example, the absorption resistance of the aerosol generating article 10 can be any one of 20 mmH2O, 23 mmH2O, 25 mmH2O, 28 mmH2O, 30 mmH2O, 33 mmH2O, 35 mmH2O, 38 mmH2O, 40 mmH2O, 42 mmH2O, 45 mmH2O, 48 mmH2O, or 50 mmH2O, or a value between any two.

[0117] Here, the absorption resistance of the matrix segment 11 constitutes part of the overall absorption resistance of the aerosol-generating article 10.

[0118] This disclosure provides an aerosol generating article 10, including a first functional segment 12, a matrix segment 11, and a second functional segment 13 arranged sequentially. The matrix segment 11 is used to generate aerosols. By setting the first functional segment 12 and the second functional segment 13 such that the first functional segment 12 is located at the distal lip end of the matrix segment 11 and the second functional segment 13 is located at the proximal lip end of the matrix segment 11, that is, the first functional segment 12 and the second functional segment 13 are respectively set at both ends of the matrix segment 11 along the axial direction, which can reduce the probability of the matrix segment 11 falling off from the aerosol generating article 10, and can perform functions such as suction resistance adjustment, cooling, support, or filtration on the aerosol generating article 10. By setting the suction resistance of the matrix section 11 to be greater than 0 and less than or equal to 5 mm water column, the appropriate suction resistance of the matrix section 11 within this range is conducive to the uniform generation of aerosols in the matrix section 11. It provides the necessary gaps required for the generation of aerosols in the matrix section 11, which can reduce the situation of aerosol output jamming or unstable output, so as to achieve uniform and stable release of aerosols, and can also allow the air intake of the first functional section 12 to smoothly enter the matrix section 11. Meanwhile, by setting the suction resistance of the aerosol generating product 10 to be greater than or equal to 20 mm water column, it is beneficial for the aerosol generated in the matrix section 11 to be carried out. By setting the suction resistance of the aerosol generating product 10 to be less than or equal to 50 mm water column, it is beneficial to reduce the user's suction force, making suction easier, more natural and smoother, reducing suction fatigue, and making it easier for the user to maintain continuous suction. This can further reduce the situation of aerosol output jamming or unstable output, so as to achieve uniform and stable release of aerosol. Moreover, the suction resistance of the aerosol generating product 10 within this range can make the aerosol burst high and the aerosol volume large, improving the suction taste and user comfort.

[0119] In some embodiments, at least one of the suction resistance of the first functional segment 12 and the suction resistance of the matrix segment 11 is less than the suction resistance of the second functional segment 13.

[0120] The absorption resistance of the first functional segment 12 may be less than that of the second functional segment 13, or the absorption resistance of the matrix segment 11 may be less than that of the second functional segment 13, or both the absorption resistance of the first functional segment 12 and the absorption resistance of the matrix segment 11 may be less than that of the second functional segment 13.

[0121] The first functional section 12 is located at the distal lip end of the matrix section 11, that is, the first functional section 12 is equivalent to the main air inlet end of the aerosol generation product 10. Therefore, by setting the suction resistance of the first functional section 12 to be less than that of the second functional section 13, it is beneficial to increase the air intake of the aerosol generation product 10, thereby facilitating the extraction of aerosols.

[0122] By setting the suction resistance of the matrix section 11 to be less than that of the second functional section 13, the air intake of the first functional section 12 can smoothly enter the matrix section 11, which can quickly carry out aerosols and is conducive to the uniform and stable release of aerosols and high burst release.

[0123] In this embodiment, by setting the suction resistance of the first functional segment 12 and the matrix segment 11 to be both lower than that of the second functional segment 13, it is beneficial to increase the air intake of the aerosol generation product 10. This allows the air intake of the first functional segment 12 to smoothly enter the matrix segment 11, facilitating the uniform, stable, and high-burst release of the aerosol. The suction resistance of the second functional segment 13 is relatively larger than that of the first functional segment 12 and the matrix segment 11, which facilitates aerosol extraction, adjusts the user's inhalation experience, and ensures comfort. By having a larger suction resistance in the second functional segment 13 and a smaller suction resistance in the first functional segment 12 and the matrix segment 11, and ensuring an overall suitable suction resistance for the aerosol generation product 10, high-burst and stable aerosol release is guaranteed, while also improving inhalation comfort and increasing user satisfaction.

[0124] In some embodiments, the suction resistance of the matrix segment 11 is less than or equal to the suction resistance of the first functional segment 12.

[0125] It is understandable that by setting the absorption resistance of the matrix segment 11 to be less than or equal to the absorption resistance of the first functional segment 12, it is beneficial to increase the contact area between the matrix segment 11 and the gas, thereby facilitating the generation, release, extraction, and high burst of aerosols. On the other hand, if the absorption resistance of the first functional segment 12 is greater than or equal to the absorption resistance of the matrix segment 11, it can reduce the outflow of aerosols generated by the matrix segment 11 from the first functional segment 12 to a certain extent, thereby facilitating the extraction of aerosols and improving the utilization rate of aerosols.

[0126] In some embodiments, as shown in Figures 4 and 5, the matrix segment 11 is constructed as a roll or agglomeration of an aerosol matrix sheet.

[0127] In some embodiments, the aerosol matrix sheet includes a sheet matrix 111, which is an integral structure. The sheet matrix 111 includes a plurality of parallel matrix strips 112, and at least one connecting region 113 is formed between adjacent matrix strips 112. The connecting region 113 connects adjacent matrix strips 112. The aerosol matrix sheet can be heated to generate aerosol.

[0128] The sheet matrix 111 has an integral structure, which is beneficial to improving the integrity of the sheet matrix 111 and thus improving its stability.

[0129] Please refer to Figures 4 and 5. The formation of at least one connection region 113 between adjacent matrix strips 112 means that there may be one connection region 113 between adjacent matrix strips 112, or multiple connection regions 113 may be formed, or a portion of the matrix strips 112 may have one connection region 113 between them, while another portion of the matrix strips 112 may have multiple connection regions 113 between them.

[0130] Here, the connecting regions 113 formed between the matrix strips 112 can be the same or different.

[0131] It should be noted that the specific location of the connecting area 113 is not restricted here.

[0132] In an embodiment where a connecting region 113 is formed between adjacent matrix strips 112, the connecting region 113 may be formed at the end, middle, or between the end and middle of the matrix strip 112; in an embodiment where multiple connecting regions 113 are formed between adjacent matrix strips 112, the multiple connecting regions 113 may be uniformly distributed or not uniformly distributed. For example, the sheet matrix 111 is cut into multiple matrix strips 112 by pressing or rolling with a cutter or a die, but at least some of the adjacent matrix strips 112 are not cut, that is, there will still be connecting regions 113 connecting the adjacent matrix strips 112.

[0133] In some embodiments, a connecting region 113 is included between adjacent matrix strips 112, and the connecting region 113 completely covers the area between adjacent matrix strips 112. That is, adjacent matrix strips 112 are connected by a connecting region 113, and there is no disconnection between adjacent matrix strips 112. For example, the matrix strip 112 is formed by a portion of the surface of an aerosol matrix sheet protruding outward, with depressions formed between adjacent protrusions, and at least a portion of the depressions constitutes the connecting region 113. The sheet-like matrix 111 is pressed using a mold or roller, so that multiple protruding strips, i.e., matrix strips 112, are formed on at least one side of the sheet-like matrix 111 (see Figures 4 and 5). A groove is formed between adjacent matrix strips 112, and the bottom area of ​​the groove constitutes the connecting region 113. Of course, it is understood that the grooves formed by pressing may also be discontinuous in some embodiments.

[0134] For example, adjacent matrix strips 112 are connected by a connecting region 113, the two ends of which extend to the two ends of the extending direction of the matrix strip 112. The dimension of the connecting region 113 in the thickness direction of the aerosol matrix sheet is smaller than the maximum dimension of the matrix strip 112 in the thickness direction of the aerosol matrix sheet. For example, the thickness of the bottom wall of the groove is smaller than the maximum dimension of the matrix strip 112 in the same direction as the bottom wall thickness.

[0135] In other embodiments, adjacent matrix strips 112 include a plurality of spaced-apart connecting regions 113, which cover a portion of the area between adjacent matrix strips 112, while other areas between adjacent matrix strips 112 are disconnected. That is, adjacent matrix strips 112 are connected by a plurality of connecting regions 113, and other areas between adjacent matrix strips 112 are disconnected.

[0136] In related technologies, aerosol matrix segments are obtained by bundling together multiple independent matrix strips. However, the integrity of multiple independent matrix strips is poor, the structural strength is low, and it is not conducive to assembly and manufacturing. During packaging, handling, transportation, or suction, the matrix strips may break and fall off.

[0137] In this embodiment of the present disclosure, adjacent matrix strips 112 can be connected together through the connecting area 113, which is beneficial to improve the integrity and overall strength of the sheet matrix 111, can improve the situation of matrix strips 112 breaking and falling off, and is beneficial to improve smoke volume, suction stability and yield.

[0138] In related technologies, the matrix units of the aerosol matrix segment are mainly in the form of flakes, filaments, and granules. In related technologies where the matrix units are granular, the filling process for filling the matrix units results in unstable suction resistance. Furthermore, the vibration and other effects during transportation and storage of granular matrix units can cause the granular matrix units in local areas of the aerosol matrix segment to become increasingly compact, leading to greater suction resistance and a poor suction experience.

[0139] The aerosol matrix sheet of this embodiment is formed by cutting the sheet-like matrix 111 into multiple matrix strips 112. After the aerosol matrix sheet is wound or gathered to form matrix segments 11, stable airflow channels 114 can be formed between adjacent matrix strips 112, reducing suction resistance and improving its stability. The suction resistance of the matrix segments 11 can also be adjusted by regulating the density, porosity, and size of the matrix strips 112. Furthermore, by forming at least one connecting region 113 between adjacent matrix strips 112, the integrity and overall strength of the sheet-like matrix 111 are improved. This helps reduce displacement and breakage caused by vibration, bending, pressure, etc., during transportation, storage, or use, further improving suction resistance stability. It also reduces the likelihood of matrix strips 112 breaking and detaching, thus improving smoke volume, suction stability, and yield. In addition, the matrix strips 112 are a homogeneous system, which facilitates the continuous and uniform generation of aerosols. It should be noted that the airflow channels 114 in Figures 2, 3, and 6 are merely a prominent structural representation and do not constitute a limitation on the size and proportion of the airflow channels 114. There are multiple airflow channels 114 in the matrix segment 11, and these multiple airflow channels 114 are arranged approximately in parallel. Due to the compression that occurs during the molding process of the matrix segment 11, in some embodiments, some airflow channels 114 have varying diameters; that is, the dimensions of the airflow channels 114 change along the length of the matrix segment 11 and are not consistent.

[0140] The matrix segment 11 formed above, under the premise of ensuring sufficient load, is conducive to achieving low suction resistance, and the release of aerosol after heating can achieve high burst and stable transmission. Combined with the suction resistance of the aerosol generating product 10 being greater than or equal to 20 mm water column and less than or equal to 50 mm water column, as well as the suction resistance of the first functional segment 12, the overall performance advantage of the aerosol generating product 10 is guaranteed.

[0141] In some embodiments, the thickness of at least a portion of the connecting region 113 is less than the maximum dimension of the matrix strip 112 along the thickness direction of the aerosol matrix sheet.

[0142] Here, the thickness of all the connecting regions 113 may be less than the maximum dimension of the matrix strip 112 along the thickness direction of the aerosol matrix sheet, or the thickness of some of the connecting regions 113 may be less than the maximum dimension of the matrix strip 112 along the thickness direction of the aerosol matrix sheet, while the thickness of another part of the connecting regions 113 may be equal to the maximum dimension of the matrix strip 112 along the thickness direction of the aerosol matrix sheet.

[0143] In this embodiment, by making the thickness of at least part of the connecting region 113 less than the maximum dimension of the matrix strip 112 along the thickness direction of the aerosol matrix sheet, a stable airflow channel 114 can be formed at the connecting region 113 after the aerosol matrix sheet is wound to form the matrix segment 11. This also strengthens the strength of the connecting region 113, thereby improving the stability of the suction resistance and the integrity of the aerosol matrix sheet.

[0144] In some embodiments, the substrate strip 112 is constructed by pressing and cutting a sheet-like substrate 111, with a groove formed between adjacent substrate strips 112, and a portion of the bottom wall of the groove forming a connecting region 113.

[0145] For example, referring to Figures 4 and 5, the sheet substrate 111 can be cut or pressed by a mold to form an uneven surface on the sheet substrate 111. Here, the protruding area is the substrate strip 112 and the recessed area is the groove.

[0146] For example, the matrix strip 112 extends along a first direction.

[0147] In some embodiments, the cutting direction of the sheet-like matrix 111 includes a second direction.

[0148] Here, the continuous lines or dashed lines inside the sheet-like matrix 111 in Figure 5 represent the cutting lines of the sheet-like matrix 111, and the breaks in the dashed lines represent the connecting regions 113.

[0149] Here, the sheet-like matrix 111 can be cut only along the second direction, or it can be cut along other directions in addition to the second direction.

[0150] In some embodiments, as shown in Figure 4, the first direction is parallel to the second direction.

[0151] In other words, the extension direction of the matrix strip 112 is parallel to the cutting direction of the sheet matrix 111.

[0152] Here, the extension direction of the matrix strip 112 and the cutting direction of the sheet matrix 111 can be approximately parallel or completely parallel.

[0153] In some embodiments, as shown in Figure 5, the first direction intersects with the second direction.

[0154] Here, the extension direction of the matrix strip 112 intersects the cutting direction of the sheet matrix 111. That is, the extension direction of the matrix strip 112 is not parallel to the cutting direction of the sheet matrix 111. For example, the extension direction of the matrix strip 112 is perpendicular to the cutting direction of the sheet matrix 111.

[0155] Of course, in other embodiments, the sheet-like matrix 111 includes multiple cutting directions. For example, the sheet-like matrix 111 includes a cutting direction parallel to the extension direction of the matrix strip 112, and also includes a cutting direction intersecting the extension direction of the matrix strip 112.

[0156] In some embodiments, as shown in Figures 3 and 4, the extension trajectory of the groove is a straight line or a curve.

[0157] In other words, the shearing direction of the sheet-like matrix 111 can be curved, such as S-shaped, spiral, etc., or it can be straight.

[0158] In some embodiments, the tensile strength of the sheet matrix 111 along the length of the matrix strip 112 is greater than or equal to 300 N / m.

[0159] Tensile strength, also known as tensile strength or breaking strength, represents the breaking force per unit area.

[0160] Tensile strength is the maximum load that causes the sheet matrix 111 test piece to break from its original cross-section.

[0161] The measurement standard can be a horizontal tensile strength measuring instrument, with a test sample width of 15 mm and the thickness can be modified according to the actual thickness of the sample.

[0162] Here, by setting the tensile strength of the sheet-like matrix 111 along the length of the matrix strip 112 to be greater than or equal to 300 N / m, the breakage and detachment of the matrix strip 112 can be improved, which is beneficial to increasing the amount of smoke, the suction stability, and the yield. In addition, the matrix segment 11 can be made into a homogeneous system, which is conducive to the continuous and uniform generation of aerosols.

[0163] In some embodiments, the length of the matrix segment 11 is in the range of 8 mm to 20 mm, and the total mass of a single matrix segment 11 is greater than or equal to 240 mg.

[0164] The length of the matrix segment 11 can be any one of 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, or 20mm, or any combination thereof.

[0165] The longer the matrix segment 11 is, the more effective substances (aerosol forming agents) it contains, and the greater the amount of smoke. The shorter the matrix segment 11 is, the more it is beneficial to improve the ease of use and production efficiency of the matrix segment 11. In addition, it can also reduce the possibility of matrix strip 112 breaking.

[0166] In this embodiment, by setting the total mass of a single matrix segment 11 to be greater than or equal to 200mg, for example: any one of 200mg, 210mg, 220mg, 230mg, 240mg, 250mg, 300mg, 350mg, 400mg or any value between two of them, and setting the length of the matrix segment 11 to be between 8mm and 20mm, the matrix segment 11 has sufficient smoke volume, while also improving the ease of use and production efficiency of the matrix segment 11. Matrix segments 11 longer than 12mm are more suitable for segmented heating or to achieve a large number of puffs, for example, one matrix segment 11 can achieve more than 30 puffs.

[0167] In some embodiments, the mass of the matrix segment 11 is greater than or equal to 240 mg, for example: any one of 250 mg, 300 mg, 350 mg, 400 mg, 450 mg, 500 mg or any value between two of them, and the ratio of the mass of the matrix segment 11 to the mass of the second functional segment 13 is greater than or equal to 1.5.

[0168] In this way, under the condition that the mass of the aerosol generating product 10 is constant, the aerosol generating product 10 can have a matrix segment 11 of a certain mass, thereby having a certain amount of smoke, which is conducive to improving the smoking satisfaction.

[0169] In some embodiments, the equivalent diameter of the matrix strip 112 is in the range of 0.5 mm to 2.5 mm.

[0170] The equivalent diameter of the matrix strip 112 can be any one of 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1mm, 1.2mm, 1.3mm, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, 2mm, 2.2mm, 2.3mm, or 2.5mm, or a value between any two of them.

[0171] The equivalent diameter is the diameter calculated by equating an irregular object to a sphere or circle with the same specific properties.

[0172] Here, with a fixed equivalent diameter of the matrix segment 11, the larger the equivalent diameter of the matrix strip 112, the greater the structural strength of the matrix strip 112, which can reduce the possibility of matrix strip 112 breaking and reduce the processing difficulty; while the smaller the equivalent diameter of the matrix strip 112, the more matrix strips 112 there are, which further helps to form a stable airflow channel 114 between adjacent matrix strips 112, thereby improving the stability of suction resistance.

[0173] By setting the equivalent diameter of the matrix strip 112 to be in the range of 0.5 mm to 2.5 mm, the possibility of matrix strip 112 breaking can be reduced, the processing difficulty can be reduced, and it can further facilitate the formation of a stable airflow channel 114 between adjacent matrix strips 112, thereby improving the stability of suction resistance.

[0174] In some embodiments, the fill rate of the matrix segment 11 is greater than or equal to 65%.

[0175] In other words, on a cross section perpendicular to the extension direction of the matrix segment 11, the ratio of the sum of the cross-sectional areas of all matrix strips 112 in the matrix segment 11 to the cross-sectional area of ​​the matrix segment 11 is greater than or equal to 65%.

[0176] By setting the filling rate of the matrix segment 11 to be greater than or equal to 65%, the matrix segment 11 can have a certain amount of smoke, which is beneficial to improving the smoking satisfaction.

[0177] For example, the matrix strips 112 are arranged in an orderly manner in the matrix segment 11, thereby achieving a high filling rate of the matrix segment 11 while also improving the uniformity of the matrix segment 11, thus achieving uniform release of aerosols.

[0178] In some embodiments, the ratio of the mass of the matrix segment 11 to the mass of the aerosol-generated article 10 is greater than or equal to 45%.

[0179] In this way, under the condition that the mass of the aerosol generating product 10 is constant, the aerosol generating product 10 can have a matrix segment 11 of a certain mass, thereby having a certain amount of smoke, which is conducive to improving the smoking satisfaction.

[0180] Here, the density of matrix strip 112 is set to be greater than or equal to 1000 mg / cm³. 3 The filling rate of the matrix segment 11 is set to be greater than or equal to 65%, and the ratio of the mass of the matrix segment 11 to the mass of the aerosol-generated product 10 is set to be greater than or equal to 45%. That is, the high load of the matrix segment 11 is achieved by the high density and high filling rate of the matrix strip 112.

[0181] In some embodiments, the length of the aerosol-generating article 10 is in the range of 45 mm to 120 mm, and the ratio of the length of the matrix segment 11 to the length of the aerosol-generating article 10 is greater than or equal to 15% and less than or equal to 35%.

[0182] For example, the length of the aerosol-generating article 10 can be any one of 45mm, 50mm, 55mm, 60mm, 65mm, 70mm, 75mm, 80mm, 85mm, 90mm, 95mm, 100mm, 110mm, 120mm or any combination thereof.

[0183] By setting the length of the aerosol generating article 10 to be in the range of 45mm to 120mm, and setting the ratio of the length of the matrix segment 11 to the length of the aerosol generating article 10 to be greater than or equal to 15% and less than or equal to 35%, the size of the aerosol generating article 10 can be appropriate. Under the condition that the length of the aerosol generating article 10 is fixed, the aerosol generating article 10 can have a matrix segment 11 of a certain length, thereby having a certain amount of smoke. It can also make the aerosol generating article 10 have a second functional segment 13 and / or a first functional segment 12 of a certain length, which is beneficial to improving the smoking experience.

[0184] For example, the equivalent diameter of the aerosol-generating article 10 is in the range of 5 mm to 7.5 mm.

[0185] The equivalent diameter of the aerosol-generated product 10 can be any one of 5mm, 5.2mm, 5.3mm, 5.5mm, 5.8mm, 6mm, 6.2mm, 6.5mm, 6.8mm, 7mm, 7.2mm, 7.5mm or any combination thereof.

[0186] By setting the equivalent diameter of the aerosol generating product 10 to be in the range of 5 mm to 7.5 mm, the heating uniformity and stability of the aerosol generating product 10 are improved, the extraction efficiency and utilization rate of the aerosol generating product 10 are increased, the consistency of aerosol release is enhanced, and the quality of aerosols is improved.

[0187] In some embodiments, as shown in Figures 2, 3 and 6, at least one airflow channel 114 is formed between at least a portion of the matrix strips 112 within the matrix segment 11, and the airflow channel 114 extends along the length direction of the matrix strips 112.

[0188] The number of airflow channels 114 can be one or more.

[0189] When the aerosol matrix sheet is rolled or gathered to form a matrix segment 11, there is a certain gap between adjacent matrix strips 112, which can form an airflow channel 114.

[0190] The airflow channel 114 extends along the length of the matrix strip 112, which facilitates the flow of air along the length of the matrix strip 112. On the one hand, it can promote the generation of aerosols in the matrix strip 112, and on the other hand, it can carry the generated aerosols to the user, which is beneficial to the generation and migration of aerosols.

[0191] In some embodiments, the suction resistance of the first functional segment 12 is greater than 0 and less than or equal to 5 mm of water column.

[0192] By making the suction resistance of the first functional section 12 greater than 0 and less than or equal to 5 mm water column, it is beneficial to increase the air intake of the aerosol generating product 10, thereby facilitating the generation and extraction of aerosols. It also makes the suction resistance of the aerosol generating product 10 appropriate, improving the user experience.

[0193] In some embodiments, the second functional segment 13 further includes a filter segment, wherein the suction resistance of the second functional segment 13 is greater than or equal to 10 mm water column and less than or equal to 50 mm water column.

[0194] The suction resistance of the second functional segment 13 can be any one of the following values, or a value between any two: 10mmH2O, 13mmH2O, 15mmH2O, 18mmH2O, 19mmH2O, 20mmH2O, 23mmH2O, 25mmH2O, 28mmH2O, 30mmH2O, 33mmH2O, 35mmH2O, 38mmH2O, 40mmH2O, 42mmH2O, 45mmH2O, 48mmH2O, and 50mmH2O.

[0195] Since the suction resistance of the second functional section 13 is greater than or equal to 10 mm water column and less than or equal to 50 mm water column, it helps to ensure that the suction resistance of the aerosol generating product 10 is appropriate, reducing the user's suction force and minimizing aerosol output jamming or instability, thus improving the suction experience and user comfort. Furthermore, it also helps to improve the filtration and / or cooling effect of the aerosol.

[0196] In some embodiments, the peripheral sidewall of the second functional segment 13 is provided with at least one air inlet 134.

[0197] The number of air intake vents 134 can be one or more.

[0198] For example, the air inlet 134 can be connected to the hollow channel 1311 inside the second functional section 13. In other words, the hollow channel 1311 inside the second functional section 13 is connected to the outside of the second functional section 13 through the air inlet 134.

[0199] Here, the second functional section 13 has an air inlet 134 that passes through the side wall of the hollow channel 1311. That is, the air inlet 134 passes through the side wall of the hollow channel 1311 and is connected to the hollow channel 1311.

[0200] For example, the wrapping layer 135 has a clearance hole formed at the position corresponding to the air inlet 134 to avoid the air inlet 134.

[0201] In this embodiment, at least one air inlet 134 is provided on the peripheral sidewall of the second functional section 13, so that external air can enter the interior of the second functional section 13 through the air inlet 134, which is beneficial to cooling the aerosol inside the second functional section 13, thereby further improving the cooling effect of the second functional section 13.

[0202] By adding a lateral air intake channel (i.e., air inlet 134), the internal and external environmental pressure of the airflow circulation is adjusted, which helps to improve the problem of slow aerosol extraction efficiency in the front section of the bottom air intake aerosol generation device 20 under the circumferential heating mode, reduces the transmission temperature of the extracted aerosol, and adjusts the absorption resistance (RTD) of the aerosol generation product 10.

[0203] In some embodiments, please refer to Figures 2 and 3. The first functional segment 12, the matrix segment 11 and the second functional segment 13 are cylinders and are coaxially arranged. The arrangement direction of the first functional segment 12, the matrix segment 11 and the second functional segment 13 is the axial direction of the first functional segment 12, the matrix segment 11 and the second functional segment 13.

[0204] By setting the first functional segment 12, the matrix segment 11, and the second functional segment 13 as cylinders and arranging them sequentially along the axial direction of the first functional segment 12, the matrix segment 11, and the second functional segment 13, the structure of the aerosol generating product 10 can be made more compact, improving the user experience.

[0205] In some embodiments, the volume of the hollow channel 1311 is greater than or equal to 15 mm². 3 and less than or equal to 130mm 3 .

[0206] The volume of the hollow channel 1311 can be 15mm. 3 20mm 3 25mm 3 30mm 3 35mm 3 40mm 3 45mm 3 50mm 3 55mm 3 60mm 3 65mm 3 70mm 375mm 3 80mm 3 90mm 3 100mm 3 105mm 3 110mm 3 120mm 3 130mm 3 The point value of any one of them or the point value between any two.

[0207] Here, the volume of the hollow channel 1311 is set to be greater than or equal to 15mm. 3 and less than or equal to 130mm 3 This can further balance the nucleation and agglomeration of aerosols and provide suitable suction resistance, while also allowing the gas to have a faster airflow velocity in the hollow channel 1311, enhancing the impact of aerosols during inhalation, improving the throat hit sensation, reducing aerosol retention, and thus improving the inhalation experience.

[0208] In some embodiments, the ratio of the mass of the hollow tube segment 131 to the volume of the hollow channel 1311 is greater than or equal to 1 mg / mm². 3 .

[0209] The heat capacity of the hollow tube section 131 is related to its mass. If the mass of the hollow tube section 131 is small, the heat capacity of the hollow tube section 131 will be small, which will result in a weak heat storage capacity of the hollow tube section 131, thus affecting the heat exchange effect on aerosols.

[0210] The volume of the hollow channel 1311 is related to the amount of aerosol flowing through it.

[0211] Therefore, by ensuring that the ratio of the mass of the hollow tube segment 131 to the volume of the hollow channel 1311 is greater than or equal to 1 mg / mm², 3 This allows the ratio of the mass of the hollow tube section 131 to the volume of the hollow channel 1311 to be appropriate, that is, the heat exchange effect of the hollow tube section 131 on the aerosol and the amount of aerosol flowing through the hollow channel 1311 are appropriate, which is conducive to improving the cooling effect and thus improving the taste.

[0212] In some embodiments, the equivalent outer diameter of the hollow tube section 131 is less than or equal to 7 mm.

[0213] By setting the equivalent outer diameter of the hollow tube section 131 to less than or equal to 7 mm, the structural compactness, cooling effect, and suitable suction resistance of the aerosol-generated product 10 can be taken into account, thereby improving the extraction effect and suction taste of the aerosol.

[0214] In some embodiments, the wall thickness of the hollow tube section 131 is greater than or equal to 1.5 mm.

[0215] Here, when the wall thickness of the first air intake channel 1421 is less than 0.05mm, the cooling support section 133 has poor support effect and is prone to deformation. When the wall thickness of the first air intake channel 1421 is greater than 2.9mm, the aerosol extraction channel 123 is too narrow, which affects the amount of smoke generated by the aerosol generating product 1010 and increases the suction resistance of the aerosol generating product 1010.

[0216] In this embodiment, by setting the wall thickness of the hollow tube segment 131 to be greater than or equal to 1.5 mm, the hollow tube segment 131 not only provides a certain supporting effect and structural strength, but also has appropriate suction resistance, which is beneficial for the extraction of aerosols and ensures that the aerosol-generated product 10 has a certain amount of smoke. Furthermore, the heat capacity of the hollow tube segment 131 can be appropriately set, thereby improving the heat exchange effect on the aerosols.

[0217] In some embodiments, the length of the first functional segment 12 is in the range of 5 mm to 10 mm.

[0218] The length of the first functional segment 12 can be any one of 5mm, 5.2mm, 5.5mm, 5.8mm, 6mm, 6.5mm, 6.8mm, 7mm, 7.2mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, 10mm, or any combination thereof.

[0219] When the length of the first functional section 12 is less than 5mm, it is not conducive to the adsorption of the refluxed aerosol after the first functional section 12 has finished adsorbing the aerosol, which easily leads to the condensation of the aerosol in the aerosol generating device 20. When the length of the first functional section 12 is greater than 10mm, the suction resistance of the first functional section 12 is large, which affects the bottom air intake, thereby reducing the aerosol carrying efficiency and the suction experience. Therefore, it is more appropriate to set the length of the first functional section 12 between 5mm and 10mm.

[0220] The present disclosure will now be described in further detail with reference to specific embodiments. These descriptions are merely illustrative and not intended to limit the scope of the disclosure.

[0221] Example 1

[0222] The aerosol generating article 10 includes a first functional segment 12 and a matrix segment 11 arranged sequentially along a first direction. The matrix segment 11 is constructed by winding or aggregating an aerosol matrix sheet. The aerosol matrix sheet includes a sheet-like matrix 111, which includes a plurality of parallel matrix strips 112. At least one connecting region 113 is formed between adjacent matrix strips 112. The connecting region 113 connects adjacent matrix strips 112. The aerosol matrix sheet can be heated to generate aerosol.

[0223] The first functional section 12 has only one concentric air passage 121. The length of the first functional section 12 is 7 mm, the equivalent outer diameter of the first functional section 12 is 7 mm, the equivalent pore size of the air passage 121 is 5 mm, and the porosity of the first functional section 12 is 51.02%. The equivalent outer diameter of the hollow tube section 131 is 7 mm, the equivalent pore size of the hollow channel 1311 is 3 mm, and the matrix strip 112 is cylindrical with uniform diameter and density, and the density of the matrix strip 112 is 1.214 g / cm³. 3 The equivalent diameter of matrix strip 112 is 1 mm, the total mass of matrix segment 11 is 400 mg, the porosity of matrix segment 11 is 64.25%, and the moisture content of matrix strip 112 is 8.75%.

[0224] Example 2

[0225] The first functional section 12 has only one concentric air passage 121. The length of the first functional section 12 is 7 mm, the equivalent outer diameter of the first functional section 12 is 7 mm, the equivalent pore size of the air passage 121 is 4 mm, and the porosity of the first functional section 12 is 32.65%. The other parameters of the aerosol-generated product 10, except for the first functional section 12, are the same as those in Example 1.

[0226] Comparative Example 1

[0227] The first functional section 12 does not have an air passage 121. The length of the first functional section 12 is 7 mm, and the equivalent outer diameter of the first functional section 12 is 7 mm. The other parameters of the aerosol-generated product 10 are the same as those in Example 1, except for the first functional section 12.

[0228] Comparative Example 2

[0229] The difference between Comparative Example 2 and Example 1 is that the matrix strip 112 of matrix segment 11 is replaced with a slurry-based medium sheet, and the density of the medium sheet is 864 mg / cm³. 3 The thickness of the dielectric sheet is 215 μm, the width of the dielectric sheet is 1.0 mm, the porosity of the matrix segment 11 is 65.13%, and the moisture content of the dielectric sheet is 8.25%.

[0230] Experimental data

[0231] Test 1:

[0232] The experimental subject was the aerosol-generated product 10 from Example 1.

[0233] Test conditions: 51-56% RH, 25℃, clean room, 2 seconds of suction and 28 seconds of rest, 10 suctions, 5 vials in total, all units are mg.

[0234] Table 1 Test Results

[0235] As shown in Table 1, the average amount of smoke (aerosol) generated during the heating process of the aerosol-generated product 10 in Example 1 was 7.40 mg / puff, the RSD (relative standard deviation) of the smoke was 11.46%, and the RSD (relative standard deviation) of nicotine was 24.30%. The smoke volume, the release of atomizing agents and nicotine from the aerosol, and other effective substances showed stable performance, resulting in a good inhalation experience.

[0236] Test 2:

[0237] The experimental subject was the aerosol-generated product 10 from Example 2.

[0238] Test conditions: Same as Test 1

[0239] Table 2 Test Results

[0240] As shown in Table 2, the average amount of smoke (aerosol) generated during the heating process of the aerosol-generating product 10 in Example 2 was 7.03 mg / puff, and the RSD (relative standard deviation) of the smoke was 12.22%. The smoke volume, the release of atomizing agents, nicotine, and other effective substances in the aerosol were stable, resulting in a good vaping experience. However, the smoke volume, especially the initial smoke volume, was relatively lower than that of the aerosol-generating product 10 in Example 1. This is because the equivalent aperture of the air passage 121 in the first functional section 12 of Example 2 is smaller than that in Example 1, leading to a decrease in air intake and thus affecting aerosol migration.

[0241] Test 3:

[0242] The experimental subject was the aerosol-generating product 10 of Comparative Example 1.

[0243] Test conditions: Same as Test 1

[0244] Table 3 Test Results

[0245] As shown in Table 3, the average amount of smoke (aerosol) generated during the heating process of the aerosol-generating product 10 in Comparative Example 1 was 6.57 mg / puff, and the RSD (relative standard deviation) of the smoke was 16.57%. The stability of the smoke volume, the release of atomizing agents, nicotine, and other effective substances in the aerosol during each puff showed a significant decrease, especially a severe decrease in the first puff. This is because the first functional section 12 lacks an air passage 121, resulting in a reduced air intake, which affects aerosol production and migration, significantly impacting overall suction performance and suction consistency.

[0246] Test 4:

[0247] The experimental subject was the aerosol-generating product 10 of Comparative Example 2.

[0248] Test conditions: Same as Test 1

[0249] Table 4 Test Results

[0250] As shown in Table 4, the average amount of smoke (aerosol) generated during the heating process of the aerosol-generated product 10 in Comparative Example 2 was 4.30 mg / puff, and the RSD (relative standard deviation) of the smoke amount was 24.55%. The stability of the smoke amount, the release of atomizing agents, nicotine, and other effective substances in the aerosol during each puff showed a significant decrease, especially a severe decrease in the first puff. This is because the overall density and loading of the slurry-based sheet medium in Comparative Example 2 were lower than those in Example 1, which significantly affected the overall suction performance and suction consistency.

[0251] In the description of this disclosure, references to terms such as "in one embodiment," "in some embodiments," "in other embodiments," "in yet another embodiment," or "exemplary," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the embodiments of this disclosure. In this disclosure, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Furthermore, those skilled in the art can combine the different embodiments or examples described in this disclosure and the features of the different embodiments or examples without contradiction.

[0252] The above description is merely a preferred embodiment of this disclosure and is not intended to limit this disclosure. Various modifications and variations can be made to this disclosure by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this disclosure are included within the scope of protection of this disclosure.

Claims

1. An aerosol-generating article, comprising a first functional segment and a matrix segment arranged sequentially along a first direction. The matrix segment is constructed by winding or agglomerating an aerosol matrix sheet, the aerosol matrix sheet comprising an aerosol forming agent, the weight of which is in the range of 15% to 30% based on the dry weight of the aerosol matrix sheet, and the density of the aerosol matrix sheet is in the range of 1000 mg / cm³. 3 Up to 1500 mg / cm 3 Scope The first functional segment is located at the distal lip of the matrix segment. The first functional segment has an internal air passage that passes through at least one end of the first functional segment along the first direction. The equivalent aperture of the air passage is in the range of 1 mm to 7 mm.

2. The aerosol-generating product according to claim 1, wherein, The equivalent aperture of the air passage is in the range of 3mm to 6mm.

3. The aerosol-generating product according to claim 1, wherein, The porosity of the first functional segment is greater than or equal to 18%.

4. The aerosol-generating product according to claim 1, wherein, The dimension of the first functional segment along the first direction is in the range of 5mm to 10mm.

5. The aerosol-generating article according to any one of claims 1 to 4, wherein, The aerosol matrix sheet includes a sheet-like matrix, which comprises a plurality of parallel matrix strips. At least one connecting region is formed between adjacent matrix strips, and the connecting region connects the adjacent matrix strips. The aerosol matrix sheet can be heated to generate aerosol.

6. The aerosol-generating article according to claim 5, wherein, The filling rate of the matrix segment is greater than or equal to 65%; and / or, The ratio of the mass of the matrix segment to the mass of the aerosol-generated product is greater than or equal to 45%.

7. The aerosol-generating article according to claim 5, wherein, The length of the matrix segment is in the range of 8 mm to 20 mm, and the total mass of a single matrix segment is greater than or equal to 200 mg.

8. The aerosol-generating article according to any one of claims 1 to 4, wherein, The aerosol-generating article further includes a second functional segment, which is located near the lip end of the matrix segment. The second functional segment includes a hollow tube segment, the porosity of which is less than that of the first functional segment.

9. The aerosol-generating article according to claim 8, wherein, The hollow pipe section has a hollow channel inside, and the equivalent aperture of the hollow channel is smaller than the equivalent aperture of the air passage; and / or, The second functional section also includes a filtration section, wherein the suction resistance of the second functional section is greater than or equal to 10 mm water column and less than or equal to 50 mm water column.

10. The aerosol-generating article according to claim 8, wherein, The mass of the matrix segment is greater than or equal to 240 mg, and the ratio of the mass of the matrix segment to the mass of the second functional segment is greater than or equal to 1.5.

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