WO2023098020A1 - Article de production d'aérosol comprenant une tige de substrat de production d'aérosol segmentée - Google Patents

Article de production d'aérosol comprenant une tige de substrat de production d'aérosol segmentée Download PDF

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Publication number
WO2023098020A1
WO2023098020A1 PCT/CN2022/098567 CN2022098567W WO2023098020A1 WO 2023098020 A1 WO2023098020 A1 WO 2023098020A1 CN 2022098567 W CN2022098567 W CN 2022098567W WO 2023098020 A1 WO2023098020 A1 WO 2023098020A1
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WIPO (PCT)
Prior art keywords
segmented
aerosol
aerosol generating
tobacco particles
section
Prior art date
Application number
PCT/CN2022/098567
Other languages
English (en)
Chinese (zh)
Inventor
赵杨
秦云华
杨柳
李雪梅
巩效伟
韩熠
郭丁荣
司晓喜
洪鎏
赵伟
李源栋
李志强
雷萍
夏建军
段沅杏
申钦鹏
李世卫
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云南中烟工业有限责任公司
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Priority to EP22899840.7A priority Critical patent/EP4424181A1/fr
Publication of WO2023098020A1 publication Critical patent/WO2023098020A1/fr

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • A24D1/027—Cigars; Cigarettes with special covers with ventilating means, e.g. perforations
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/10—Chemical features of tobacco products or tobacco substitutes
    • A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
    • A24B15/14—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco made of tobacco and a binding agent not derived from tobacco
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/002—Cigars; Cigarettes with additives, e.g. for flavouring
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0229—Filter rod forming processes
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/061—Use of materials for tobacco smoke filters containing additives entrapped within capsules, sponge-like material or the like, for further release upon smoking
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/062—Use of materials for tobacco smoke filters characterised by structural features
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/067—Use of materials for tobacco smoke filters characterised by functional properties
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
    • A24D3/166—Silicic acid or silicates

Definitions

  • the invention relates to the technical field of heat-not-burn cigarettes, in particular to an aerosol generating product with segmented aerosol generating matrix rods.
  • heated cigarettes can provide a healthier smoking experience while satisfying consumers' sensory needs for cigarette products because their cigarette heating methods are different from traditional cigarette products.
  • the smoking material of granular heating cigarettes is bulk smoking particles.
  • the bulk smoking particles cannot be fixed, they must be filled into the outer tube by filling, and both sides of the smoking particle section need to be sealed Paper and blocking parts are used to fix particles, which has low production efficiency and high defective rate.
  • the present invention binds the bulk smoke particles together through an adhesive to form a cylindrical form of aerosol generating matrix rod, and then, after the aerosol generating matrix rod is wrapped with an outer tube, it is used as a solid gas separately.
  • the aerosol-generating matrix rod is then combined with other components to make an aerosol-generating product through filling, rolling or compounding processes. Since this smoking section is already an integral cylindrical aerosol-generating matrix rod, there will be no problem of falling and scattering smoke particles, so there is no need to install sealing films or blocking parts on both sides of the smoking section. .
  • the form of filling is not limited and it can be combined with other components to make aerosol-generating products.
  • the method for preparing cylindrical aerosol-generating matrix rods by bonding scattered smoke particles with an adhesive is to directly put the scattered tobacco particles into a stirrer, and then add a large amount of adhesive to the stirrer, Then stir and mix well, extrude and cool.
  • the problems that exist in the aerosol-generating matrix rod prepared by this method are: 1. Since a large amount of adhesive has been added in the stirring process, after cooling, the aerosol-generating matrix rod is also in the gap between adjacent tobacco particles. There is an adhesive after cooling, which leads to low porosity of the aerosol-generating matrix rod and small axial air permeability; 2.
  • the present invention provides an aerosol generating product with a segmented aerosol generating matrix rod, which includes a smoking core material segment 1, a ventilating hollow segment 2 and a filter segment 3;
  • the smoking core material segment 1 includes a segmented aerosol generating matrix rod and an anti-seepage/heat conduction cigarette paper wrapping the segmented aerosol generating matrix rod, and the two ends of the segmented aerosol generating matrix rod are A stub segment 11 formed by bonding sized tobacco particles, with a loose particle segment 12 formed by unsized tobacco particles in the middle;
  • the air-permeable hollow section 2 and the filter section 3 are wrapped by forming paper 5 to form a mouthpiece, and the smoking core section 1 and the mouthpiece are connected by tipping paper 4 .
  • the mass ratio of the tobacco particles in the stub section to the tobacco particles in the scattered particle section is 1:10-1:1; the mass ratio of the tobacco particles in the sizing area to the adhesive is 1:1-1:4. More preferably, the mass ratio of the tobacco particles of the stub segment and the tobacco particle of the scattered particle segment is 1:6. More preferably, the mass ratio of tobacco particles to adhesive in the sizing area is 1:3.
  • the area of sizing at the top of the tobacco particle in the sizing region accounts for 30-60% of the surface area of the tobacco particle. That is, the sized tobacco particles in the sized area are only top sized, and the sides and bottom are unsized.
  • the porosity of the segmented aerosol generating matrix rod is 40-80%; the axial suction resistance of the segmented aerosol generating matrix rod is 5-40Pa/mm. More preferably, the segmented aerosol generating matrix rod has a porosity of 60%. More preferably, the axial suction resistance of the segmented aerosol-generating matrix rod is 15 Pa/mm.
  • the grammage of the anti-seepage/thermally conductive paper is 30-70g/m 2 . More preferably, the grammage of the anti-seepage/thermally conductive paper is 60g/m 2 .
  • the anti-seepage cigarette paper can be rolled to wrap tobacco particles; on the other hand, the weight of the anti-seepage cigarette paper can be selected to be larger, and it can also play a role in maintaining the roundness of the segmented tobacco rod after rolling.
  • the particle diameter of the tobacco particles is 8-60 mesh; more preferably, the particle diameter of the tobacco particles is 20-30 mesh.
  • the adhesive is selected from chitosan, hydroxyethylated compound modified ethyl cellulose, guar gum, carboxymethyl cellulose, starch, modified starch, plant cellulose, microcrystalline cellulose, Hydroxyethyl Cellulose, Hydroxyethyl Methyl Cellulose.
  • the tube wall of the air-permeable hollow section 2 is made of paper, silica gel, acetate fiber, polylactic acid, and non-woven fabric.
  • the air-permeable hollow section 2 is grooved corrugated or gear-shaped, which has small-hole airflow passages 21 distributed circumferentially through the air-permeable hollow section 2, and also has air-permeable hollow passages at the center of the axial direction.
  • the large-pore airflow channel 22 of section 2; the grooved corrugated air-permeable hollow section structure can refer to the applicant's application, the application number is 2021111148695, and the name is: a patent for an aerosol-generating product with fragrance in the cigarette core section, At the same time, the expression about the grooved corrugated air-permeable hollow section involved in this application is incorporated into this application.
  • the structure of the gear-shaped breathable hollow section can refer to the applicant's application, the application number is 2021111166585, and the name is: a patent for an aerosol-generating product with a punctured cigarette core segment and flavoring, and the application involved in this application.
  • the expression of the gear-shaped air-permeable hollow section is incorporated in this application.
  • ventilation holes 23 on the pipe wall of the air-permeable hollow section 2, the area of which is 1/2-7/8 of the cross-sectional area of the filter.
  • the forming paper 5 and the tipping paper 4 are naturally air-permeable.
  • the aerosol generating product further includes a functional section 6, which is located between the smoking core section 1 and the air-permeable hollow section 2, or between the air-permeable hollow section 2 and the filter section 3, and the functional section 6 It has the effect of cooling and gathering smoke;
  • the functional section 6 When the functional section 6 is located between the air-permeable hollow section 2 and the filter section 3, the functional section 6 may be a hollow tube, and the wall of the hollow tube is air-permeable, and may itself have an air-permeable function , It can also be ventilated by punching holes in the pipe wall.
  • the structure and preparation method of the hollow tube with natural ventilation of the tube wall can refer to the application of the applicant, the application number is 2021105997045, and the name is: a patent for a heated cigarette filter rod with natural ventilation function and a heated cigarette containing it, and at the same time
  • the statements about hollow pipes with naturally gas-permeable walls referred to in this application are incorporated into this application.
  • the filter section 3 can be selected from conventional solid acetate fiber tow.
  • the present invention has a method for preparing segmented aerosol-generating substrate rods.
  • the method of spraying and sizing is adopted, and the adhesive is directly sprayed evenly from the spray head on the top of the tobacco particles to the top of the tobacco particles, so as to ensure that only the top of the tobacco particles Sizing, but no sizing on the bottom and sides, on the basis of achieving adhesion, it ensures the release of aerosol after the tobacco particles are heated, the amount of smoke, and the axial ventilation and porosity of the aerosol-generating matrix rod.
  • the spray sizing method of the present invention is intermittent spray sizing, so that the tobacco particles on the anti-seepage cigarette paper present sizing areas, non-sizing areas, and sizing areas arranged at intervals, and then adopt the method of blanking Method Put sized tobacco particles, unsized tobacco particles, and sized tobacco particles into the outer tube in batches, and after cooling, obtain a short stick section formed by bonding sized tobacco particles at both ends, and the middle part is unapplied tobacco particles.
  • Segmented aerosol-generating matrix rods formed of loose particle segments formed of gum tobacco particles. In this way, the short rod sections at both ends can ensure that the unbonded tobacco particles in the middle do not fall and scatter, and the unbonded tobacco particles in the middle ensure the axial ventilation and porosity of the aerosol generating matrix rod.
  • the method for intermittent spraying type preparation segmented aerosol generation matrix rod may further comprise the steps:
  • the cigarette double-folding rolling device Downstream of the conveyor belt running direction, there is a cigarette double-folding rolling device.
  • the cigarette double-folding rolling device wraps the tobacco particles with the anti-seepage cigarette paper conveyed by the conveyor belt, and rolls a segmented aerosol generating matrix rod. and then cutting the strip of segmented aerosol generating matrix rod according to requirements to obtain segmented aerosol generating matrix rod for aerosol generating products.
  • the running speed of the conveyor belt in step (1) is 0.5-2.5 cm/s, more preferably, the running speed of the conveyor belt in step (1) is 2 cm/s.
  • the spraying program of the shower head in step (2) is to spray 0.5-2 seconds at an interval of 1-5 seconds, more preferably, the spraying program of the shower head in step (2) is to spray at an interval of 5 seconds Spray for 1s.
  • the anti-seepage/heat-conducting paper has an anti-seepage/heat-conducting layer with anti-seepage or heat-conducting function, and the anti-seepage/heat-conducting layer includes a waterproof layer and/or an oil-proof layer and/or a heat-conducting layer;
  • the waterproof layer is made of alkyl ketene dimer AKD, cationic rosin gum or iron-free aluminum sulfate, and paraffin materials; the oil-proof layer is made of fluorocarbon organic matter, modified starch, AKD and paraffin mixture, AKD and modified starch mixture materials.
  • the heat conducting layer is selected from but not limited to the aluminum foil layer, which is added to the inner wall of the cigarette paper tube by pasting; the aluminum foil layer can play the role of waterproof and/or oil proof, and the aluminum foil layer also has the function of heat conduction and heat preservation. So that the smoking material on the inner wall of the cigarette is evenly heated.
  • the waterproof layer and/or the oil-proof layer are coated on the inner wall of the cigarette paper tube by spraying.
  • the waterproof layer is made of alkyl ketene dimer AKD, cationic rosin glue or iron-free aluminum sulfate, and paraffin material, which can prevent the moisture in the smoking material from penetrating to the outside of the cigarette paper tube.
  • smoking agents, flavors and fragrances will be added to the smoking materials.
  • the smoking agents in the smoking materials will carry the flavors and fragrances and penetrate to the outside of the paper tube, causing macula and affecting the appearance of the paper tube.
  • the smoking agent is oily, it is necessary to add an oil-proof layer to the inner wall of the cigarette paper tube filled with the smoking material.
  • the anti-oil layer is made of fluorocarbon organic matter, modified starch, a mixture of AKD and paraffin, and a mixture of AKD and modified starch, which can prevent the fuming agent in the smoking material from penetrating the outer wall of the paper tube with flavors and fragrances, and prevent the generation of macula.
  • the present invention has the following beneficial effects:
  • the aerosol generating product of the present invention includes a segmented aerosol generating matrix rod, the two ends of the segmented aerosol generating matrix rod are short rod segments 11 formed by sizing tobacco particles, and the middle is an unfinished Scattered particle segments 12 formed from sized tobacco particles.
  • the short rod sections 11 at both ends can ensure that the unbonded tobacco particles in the middle do not fall and scatter, and there is no adhesive on the surface and gaps of the unbonded tobacco particles in the middle, which ensures that the aerosol is generated in the axial direction of the matrix rod.
  • Airflow, porosity, and smoke release The cigarette core with high porosity can not only increase the amount of smoke generated, but also simplify the structure of the aerosol generating product.
  • the preparation method of the smoking core material section 1 with high porosity in the present invention is an intermittent spraying method, and its advantages are:
  • the present invention adopts the method for spraying and sizing, and the adhesive is directly sprayed evenly to the top surface of the tobacco particles from the spray head on the top of the tobacco particles, so that it can be ensured that only the top surface of the tobacco particles is sizing, and the bottom and side surfaces are not For sizing, the area of sizing on the top surface of the tobacco particles accounts for 20-40% of the surface area of the tobacco particles. After stirring evenly, at least one part of the surface area of the two adjacent tobacco particles has glue, which can realize bonding. Similarly, since the bottom and side surfaces of the tobacco particles are not glued, it can well ensure the release of aerosol after the tobacco particles are heated, ensure the amount of smoke, and the axial ventilation and porosity of the aerosol-generating matrix rod.
  • the spray sizing method of the present invention is intermittent spray sizing, the tobacco particles of the present invention are directly spread on the conveyor belt, and there is only one layer of tobacco particles on the conveyor belt, and the conveyor belt carries the tobacco particles at a fixed speed Running, there is a spray head for spraying adhesive above the conveyor belt, and the spray head intermittently sprays the adhesive to the top surface of the tobacco particles, so that the tobacco particles on the conveyor belt present glued areas, non-glued areas, and glued areas. The areas are arranged at intervals, and finally the sized tobacco particles, unsized tobacco particles, and sized tobacco particles are loaded into the outer tube in batches by blanking method, and after cooling, a segmented aerosol generating matrix rod is obtained.
  • the two ends of the segmented aerosol-generating matrix rod are short rod segments 11 formed by bonding sized tobacco particles, and the middle is a scattered particle segment 12 formed by unsized tobacco particles, so that the short rod segments 11 at both ends can ensure that the middle is not
  • the bonded tobacco particles do not fall and scatter, and the non-bonded tobacco particles in the middle ensure the air flow and porosity in the axial direction of the aerosol generating matrix rod.
  • the present invention first adopts the method of spray sizing to realize partial sizing on the surface of tobacco particles to ensure the release of aerosol after the tobacco particles are heated. Further, the combination of intermittent spray sizing and blanking can be used to produce A segmented aerosol-generating matrix rod is obtained in which both ends are short rod segments 11 formed by bonding sized tobacco particles, and the middle is a scattered particle segment 12 formed by unsized tobacco particles. In this way, the short rod sections 11 at both ends can ensure that the unbonded tobacco particles in the middle do not fall and scatter, and the unbonded tobacco particles in the middle ensure the axial ventilation, porosity and smoke volume of the aerosol generating matrix rod.
  • Fig. 1 is a schematic structural diagram of an aerosol generating product with segmented cigarette core segments in Example 1;
  • Fig. 2 is the schematic diagram of the spray sizing process in the process of intermittent spraying preparation of segmented aerosol generating matrix rods;
  • Fig. 3 is the top view of tobacco particles after the spray sizing process
  • Fig. 4 is a schematic diagram of the structure of a segmented aerosol-generating matrix rod.
  • Fig. 5 is a schematic structural view of an aerosol generating product with segmented aerosol generating matrix rods in Example 2.
  • plural means two or more.
  • the orientation or state relationship indicated by the terms “inner”, “upper”, “lower” and the like are based on the orientation or status relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the No device or element must have a specific orientation, be constructed, and operate in a specific orientation and therefore should not be construed as limiting the invention.
  • connection In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms “installation”, “connection” and “installation” should be interpreted in a broad sense, for example, it can be a fixed connection or an optional connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary. Those of ordinary skill in the art will understand the specific meanings of the above terms in the present invention according to specific situations.
  • This embodiment is an aerosol generating product with a segmented aerosol generating matrix rod, which includes a smoking core material segment 1, a breathable hollow segment 2 and a filter segment 3;
  • the smoking core material segment 1 includes a segmented aerosol generating matrix rod and an anti-seepage/heat conduction cigarette paper wrapping the segmented aerosol generating matrix rod, and the two ends of the segmented aerosol generating matrix rod are A stub segment 11 formed by bonding sized tobacco particles, with a loose particle segment 12 formed by unsized tobacco particles in the middle;
  • the air-permeable hollow section 2 and the filter section 3 are wrapped by forming paper 5 to form a mouthpiece, and the smoking core section 1 and the mouthpiece are connected by tipping paper 4 .
  • the tube wall of the air-permeable hollow section 2 is made of paper, which is grooved and corrugated. Ventilation holes 23 are arranged on the pipe wall of the air-permeable hollow section 2, and its area is 1/4 of the cross-sectional area of the filter tip.
  • the method for preparing segmented aerosol-generating matrix rods by intermittent spraying comprises the following steps:
  • the cigarette double-folding rolling device wraps the tobacco particles with the anti-seepage cigarette paper conveyed by the conveyor belt, and rolls a segmented aerosol generating matrix rod. strips, and then cut the segmented aerosol generating matrix rod strips according to requirements to obtain segmented aerosol generating matrix rods S5 for aerosol generating products, the tobacco in the segmented aerosol generating matrix rods The gaps between the particles form an air flow channel S6 axially penetrating through the segmented aerosol-generating matrix rod.
  • the two ends of the segmented aerosol generating matrix rod are short rod segments S51 formed by bonding sized tobacco particles, and the middle is a scattered particle segment S52 formed by unsized tobacco particles.
  • the mass ratio of the tobacco particles in the stub section and the tobacco particles in the scattered particle section is 1:6.
  • the mass ratio of tobacco particles and adhesive in the sizing area is 1:3.
  • the running speed of the conveyor belt in step (1) is 2 cm/sec.
  • the spraying program of the sprinkler head in step (2) is to spray for 1 second at intervals of 5 seconds.
  • the top sizing area of the tobacco particles in the sizing area accounts for 50% of the surface area of the tobacco particles, that is to say, the sizing tobacco particles in the sizing area are only top sizing, and the side and bottom surfaces are not sizing.
  • the grammage of the anti-seepage/heat conduction paper is 60g/m 2 .
  • the particle size of the tobacco particles is 20-30 mesh.
  • the adhesive is selected from shell carboxymethylcellulose.
  • the porosity of the finally obtained segmented aerosol generating matrix rod is 60%.
  • the axial suction resistance of the segmented aerosol generating matrix rod is 20 Pa/mm.
  • this embodiment is an aerosol generating product with a segmented aerosol generating matrix rod.
  • the sol generating product adds a functional segment 6 on the basis of Example 1.
  • the functional segment 6 can be a hollow tube, and the hollow The tube wall is gas permeable.
  • the structure of the aerosol generating product is the same as in Example 1.
  • the surface of the fuming particles in the finally obtained aerosol generating matrix rod is almost 100% sizing, the measured porosity is less than 30%, and the axial suction resistance is as high as 100Pa/mm.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

L'invention concerne un article de production d'aérosol comprenant une tige de substrat de production d'aérosol segmentée, comprenant une section de matériau central à fumer (1), une section creuse permettant la respiration (2) et une section de filtration (3). La section de matériau central à fumer (1) comprend une tige de substrat de production d'aérosol segmentée et un papier de cigarette anti-infiltration/à conduction thermique enveloppant la tige de substrat de production d'aérosol segmentée ; les deux extrémités de la tige de substrat de production d'aérosol segmentée sont des sections de tige courtes (11) formées par liaison de particules de tabac calibrées, et le milieu est une section de particules dispersées (12) formée par des particules de tabac non calibrées ; la section creuse permettant la respiration (2) et la section de filtration (3) sont enveloppées en formant du papier (5) en embout ; la section de matériau central à fumer (1) et l'embout sont reliés au moyen de papier de manchette (4). Les sections de tige courtes (11) sur les deux extrémités permettent d'assurer que les particules de tabac, qui ne sont pas liées au milieu, ne tombent pas et ne se dispersent pas, et il n'y a pas d'adhésif sur les surfaces des particules de tabac qui ne sont pas liées au milieu ni dans les espaces qui les séparent ; la capacité de ventilation, la porosité et la quantité de dégagement de fumée de la tige de substrat de production d'aérosol sont assurées ; un centre à fumer ayant une porosité élevée non seulement augmente la quantité de dégagement de fumée, mais simplifie également la structure d'un article de production d'aérosol.
PCT/CN2022/098567 2021-11-30 2022-06-14 Article de production d'aérosol comprenant une tige de substrat de production d'aérosol segmentée WO2023098020A1 (fr)

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