EP4260715A1 - Application de carbone sphérique dans l'adsorption de gaz de combustion d'un produit à base de tabac à chauffage sans combustion - Google Patents

Application de carbone sphérique dans l'adsorption de gaz de combustion d'un produit à base de tabac à chauffage sans combustion Download PDF

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Publication number
EP4260715A1
EP4260715A1 EP21902746.3A EP21902746A EP4260715A1 EP 4260715 A1 EP4260715 A1 EP 4260715A1 EP 21902746 A EP21902746 A EP 21902746A EP 4260715 A1 EP4260715 A1 EP 4260715A1
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EP
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Prior art keywords
cartridge
spherical carbon
tobacco
cigarette smoke
section
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Pending
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EP21902746.3A
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German (de)
English (en)
Inventor
Haiyan Wang
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Shenzhen Global Greenland New Materials Co Ltd
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Shenzhen Global Greenland New Materials Co Ltd
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Publication of EP4260715A1 publication Critical patent/EP4260715A1/fr
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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • 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
    • A24D3/163—Carbon
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B13/00—Tobacco for pipes, for cigars, e.g. cigar inserts, or for cigarettes; Chewing tobacco; Snuff
    • A24B13/02—Flakes or shreds of tobacco
    • 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
    • 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
    • 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
    • A24B15/32—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by acyclic compounds
    • 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
    • A24D1/22—Cigarettes with integrated combustible heat sources, e.g. with carbonaceous heat sources
    • 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
    • A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
    • A24D3/0279—Manufacture of tobacco smoke filters for filters with special features with tubes
    • 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
    • A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
    • A24D3/0287—Manufacture of tobacco smoke filters for filters with special features for composite filters
    • 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
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/043—Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution
    • 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
    • A24D3/048—Tobacco smoke filters characterised by their shape or structure containing additives
    • 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
    • A24D3/063—Use of materials for tobacco smoke filters characterised by structural features of the fibers
    • 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
    • A24D3/17—Filters specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F42/00—Simulated smoking devices other than electrically operated; Component parts thereof; Manufacture or testing thereof
    • A24F42/10—Devices with chemical heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F47/00—Smokers' requisites not otherwise provided for

Definitions

  • Patent No. 202011453514.4 entitled “USE OF SPHERICAL CARBON IN FLUE GAS ADSORPTION OF HEAT-NOT-BURN TOBACCO PRODUCT” filed with the China National Intellectual Property Administration on Dec. 11, 2020 , which is incorporated herein by reference in its entirety.
  • the present disclosure relates to the field of cigarette smoke adsorption of heat-not-burn tobacco products, and specifically, to use of a spherical carbon in cigarette smoke adsorption of a heat-not-burn tobacco product.
  • novel tobacco products are developing rapidly. Novel tobacco products can be divided into two prominent types: smoky products and smokeless products.
  • the smoky products mainly include e-cigarettes and heat-not-burn (HNB) cigarettes, with the latter divided into a tobacco type and a non-tobacco type.
  • HNB heat-not-burn
  • the materials are conventional shag tobaccos, flake tobaccos or reconstituted tobacco stems.
  • the non-tobacco-type products the principal material in the cartridge is herbal granules, which do not contain nicotine.
  • Aroma beads may be arranged between the material and the mouthpiece and different aroma beads may be provided for different flavors.
  • Tobacco-type heat-not-burn cigarettes retain the tobacco flavor to a greater extent and are more acceptable for the average consumer.
  • the cigarette cartridge of a heat-not-burn cigarette is only heated, but not burned due to the special temperature of the smoking set, which greatly reduced the release of the harmful and potentially harmful constituents (HPHCs).
  • the tobacco section in the heat-not-burn cigarette cartridge is usually composed of tobacco flakes, reconstituted tobacco, recombined tobacco or herbal particles that contain a large amount of smoke-generating agents, flavorants, essences and the like, and the smoke-generating agents are mainly composed of propylene glycol and glycerol, a large amount of carbonyl compounds are generated during the heating process.
  • Such carbonyl compounds include, but are not limited to, formaldehyde, acetaldehyde, acetone, acrolein, propionaldehyde, crotonaldehyde, 2-butanone, butyraldehyde and the like, which are considered as important HPHCs in cigarette smoke.
  • IARC International Agency for Research on Cancer
  • formaldehyde as a Group I carcinogen
  • acetaldehyde is listed in Group 2B and possibly has nasal cilium toxicity
  • acrolein is cytotoxic. How to effectively reduce the harm is an important orientation for exploring novel tobaccos, particularly the heat-not-burn cigarettes.
  • the present disclosure provides use of a spherical carbon in cigarette smoke adsorption of a heat-not-burn tobacco product.
  • the heat-not-burn tobacco product is selected from at least one of an electrically heated heat-not-burn tobacco product and a carbon-heated heat-not-burn tobacco product.
  • the "cigarette smoke” may be a gas emitted by the heat-not-burn tobacco product under normal pressure, or a gas generated by the tobacco product under a negative pressure (e.g., by inhaling).
  • the "cigarette smoke” may be gaseous and/or misty in appearance.
  • the "cigarette smoke” is generated by a cartridge in the heat-not-burn tobacco product in a heat-not-burn condition.
  • the mode of heating may be internal heating, external heating or hybrid internal/external heating.
  • the internal heating means that the heating element is surrounded by the cartridge and the heat can be concentrated in a cigarette bin.
  • the external heating means that the cartridge is inserted into a smoking set for heating, and the heat generated by the smoking set is conducted to the surface of the cartridge.
  • the cartridge may comprise a tobacco or a tobacco-replacing herb.
  • the tobacco may be selected from at least one of a reconstituted tobacco and a recombined tobacco. It will be appreciated by those skilled in the art that the above-mentioned tobaccos may have different components or different amounts of components.
  • the composition of tobacco leaves may be influenced by genetics, agricultural practices, soil and nutrients, weather conditions, plant diseases, leaf location, harvesting and sun-curing procedures.
  • the tobacco-replacing herb is selected from a non-tobacco herb that produces smoke upon low-temperature heating, for example, a herbal product prepared from tea leaves, ginkgo leaves, flowers and other natural herbs.
  • the tobacco is not specified in its form, and may be in the form of a filament, a sheet, a granule, a powder and the like, for example, in the form of a sheet.
  • the cartridge may further comprise at least one flavourant and/or other additives.
  • the additive may be selected from at least one of a smoke-generating agent, a colorant and a binder.
  • the smoke-generating agent comprises propylene glycol and glycerol.
  • the content of glycerol is 15-70 wt%, preferably 20-60 wt%; for example, in the cartridge, the content of propylene glycol is no more than 2 wt%, preferably no more than 1.5 wt%, and more preferably no more than 1 wt%.
  • the cigarette smoke comprises or does not comprise nicotine or a salt of nicotine.
  • the salt of nicotine may be selected from a salt formed by nicotine and an acid.
  • the acid may be selected from, for example, one, two or more of the following: formic acid, acetic acid, propionic acid, butyric acid, 2-methylbutyric acid, 3-methylbutyrate, valerate, benzoic acid, carbonic acid, citric acid, gallic acid, hydrochloric acid, lactic acid, lauric acid, levulinic acid, malic acid, malonic acid, oxalic acid, oxaloacetic acid, palmitic acid, pyruvic acid, phosphoric acid, salicylic acid, sorbic acid, stearic acid, sulfuric acid, phthalic acid, picric acid, sulfosalicylic acid, tartaric acid, tannic acid, pectic acid, alginic acid, chloroplatinic acid, silicotungstic acid, pyruvic acid, glutamic acid and aspartic acid.
  • the cigarette smoke may further comprise a carbonyl compound.
  • the carbonyl compound comprises at least one component selected from: formaldehyde, acetaldehyde, acetone, acrolein, propionaldehyde, crotonaldehyde, butyraldehyde and 2-butanone.
  • the carbonyl compound is from a cigarette smoke generated by heating the cartridge and/or atomization, preferably from a cigarette smoke generated by heating and/or atomizing the smoke-generating agent.
  • the cigarette smoke optionally comprises or does not comprise a nitrosamine compound.
  • the nitrosamine compound comprises at least one selected from the following: 4-( N -methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), N '-nitrosoanabasine (NAB), N -nitrosoneonicotinoid (NAT), N' -nitrosonornicotine (NNN), dimethylnitrosamine (NDMA), nitrosopiperidine (NPIP), N-nitrosomethylethylamine (NEMA), N -nitrosodiethylamine (NDEA), N -nitrosodipropylamine (NDPA), N-nitrosopyrrolidine (NPYR) and morpholine (NMOR).
  • NNK 4-( N -methylnitrosamino)-1-(3-pyridyl)-1-butanone
  • NAB N '-nitrosoanabasine
  • NAT N -nitro
  • the cigarette smoke may further comprise other components, for example, at least one selected from: 1-hydroxy-2-propanone, 3-hexen-2-one, 4-hydroxy-2-pentanone, furfural, 5-(hydroxymethyl)furfural, 2-oxo-3-cyclopenten-1-acetaldehyde, furfuryl alcohol, 2-hexenal, 1-acetoxy-2-propanone, cyclopentene-1,4-dione, 2-methyl-2-cyclopenten-1-one, 2(3 H )-furanone, 1,2-cyclopentanedione, 2-hydroxy-3-methyl-2-cyclopenten-1-one, 2,3-dimethyl-2-cyclopenten-1-one, 2,5-dimethyl-4-hydroxy-3(2 H )-furanone, megastigmatrienone A, megastigmatrienone B, megastigmatrienone C, megastigmatrienone D, norsolanedione, 4,4-dimethyl-2-cyclohexen-1
  • the cigarette smoke may further comprise other components, for example, a compound comprising at least one element selected from: Cr, Ni, Fe, Al, Sn, Pb, Cd, As, Sb, Hg and Cu.
  • the cigarette smoke may further comprise a particulate and/or an aerogel, and may comprise components such as CO, CO 2 and/or gases in the air.
  • the spherical carbon is used for selectively adsorbing at least one of the above-mentioned components or substances in the cigarette smoke.
  • a spherical carbon which may be selected from a spherical activated carbon.
  • the spherical carbon can be used in embodiments or technical schemes in the context of the specification, e.g., the use as described above.
  • the term "spherical activated carbon” refers to an activated carbon in the shape of a sphere or spheroid, wherein the orthographic projection of the spheroid activated carbon on at least 1 plane is circular, elliptical, or substantially circular or elliptical; preferably the orthographic projection of the spheroid activated carbon on at least 5, e.g., at least 10 planes, is circular, elliptical, or substantially circular or elliptical.
  • nicotine and/or the salt of nicotine, on nicotine basis may have a weight of 0-24 mg, such as 0.05, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 17.0, 18.0, 19.0, 20.0, 21.0, 22.0, 23.0 or 24.0 mg.
  • nicotine and/or nicotine salt, on nicotine basis has a weight greater than 0.
  • the spherical carbon used for adsorbing the cigarette smoke may have a weight of 1 to 300 mg, for example, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 170, 180, 190, 200 or 300 mg.
  • the spherical carbon for adsorbing the cigarette smoke has a weight of 10-60 mg.
  • nicotine and/or the salt of nicotine (on nicotine basis) and the spherical carbon may be present in a weight ratio of (0-24):(1-300), for example, (0.05-18):(10-200), e.g., (0.08-12):(15-150), e.g., (0.1-10):(40-100), e.g., (0.1-8):(50-80).
  • nicotine and/or the salt of nicotine (on nicotine basis) and the spherical carbon may have a weight ratio of (0.1-0.4):(40-60).
  • the spherical carbon has a specific surface area B lower than 1300 m 2 /g.
  • B is less than 1200 m 2 /g, e.g., 900 m 2 /g ⁇ _ B ⁇ 1180 m 2 /g or 950 m 2 /g ⁇ _ B ⁇ 1150 m 2 /g.
  • B 980 m 2 /g, 1000 m 2 /g, 1020 m 2 /g, 1040 m 2 /g, 1050 m 2 /g, 1070 m 2 /g, 1080 m 2 /g, 1100 m 2 /g, 1120 m 2 /g, 1128 m 2 /g, 1130 m 2 /g, 1135 m 2 /g, 1140 m 2 /g or 1141 m 2 /g.
  • the spherical carbon may have an average particle size of 0.2-1.5 mm, for example, 0.2-1.0 mm, e.g., 0.2-0.4 mm, 0.6-0.8 mm, specifically 0.2 mm, 0.4 mm, 0.405 mm, 0.42 mm, 0.45 mm, 0.48 mm, 0.49 mm, 0.50 mm, 0.52 mm, 0.53 mm, 0.55 mm, 0.6 mm, 0.7 mm or 0.8 mm.
  • the spherical carbon has an average pore size of 1.5-3.2 nm, for example, 1.55-3.0 nm, e.g., 1.6-2.7 nm.
  • the average pore size is 1.6245 nm, 1.7 nm, 1.8 nm, 1.9 nm, 2.0 nm, 2.1 nm, 2.2 nm, 2.3 nm, 2.4 nm, 2.5 nm, 2.6 nm or 2.7 nm.
  • the spherical carbon has an average pore volume of 0.35-0.80 cm 3 /g, for example, 0.38-0.70 cm 3 /g, 0.40-0.60 cm 3 /g.
  • the average pore volume is 0.45 cm 3 /g, 0.50 cm 3 /g, 0.55 cm 3 /g or 0.60 cm 3 /g.
  • the spherical carbon comprises mesopores (pore size between 2-50 nm) and micropores (pore size less than 2 nm).
  • the mesopores have pore volumes of 0.003-0.018 cm 3 /g.
  • mesopores greater than 2 nm but not greater than 4 nm have a pore volume greater than 0.013 cm 3 /g but not greater than 0.017 cm 3 /g, for example, 0.014-0.016 cm 3 /g.
  • mesopores greater than 4 nm but not greater than 50 nm have a pore volume not less than 0.002 and not less than 0.013 cm 3 /g, for example, 0.003-0.012 cm 3 /g.
  • mesopores greater than 4 nm but not greater than 10 nm have a pore volume not less than 0.009 cm 3 /g and less than 0.013 cm 3 /g, for example, 0.010-0.012 cm 3 /g.
  • the micropores may have a pore volume of ⁇ 2000 cm 3 /g, preferably ⁇ 3000 cm 3 /g, for example, ⁇ 4300 cm 3 /g, e.g., >_ 4400 cm 3 /g, ⁇ 4500 cm 3 /g, ⁇ 4600 cm 3 /g, ⁇ 4700 cm 3 /g, >_ 4800 cm 3 /g, ⁇ 4900 cm 3 /g, ⁇ 5000 cm 3 /g, ⁇ 5100 cm 3 /g, >_ 5200 cm 3 /g, >_ 5300 cm 3 /g, >_ 5400 cm 3 /g or ⁇ 5500 cm 3 /g.
  • the spherical carbon may have a compressive strength of 10-100 N, for example, 20-95 N, e.g., 30 N, 40 N, 50 N, 60 N, 70 N, 80 N or 90 N.
  • the compressive strength refers to the maximum pressure value that each spherical carbon can bear.
  • the spherical carbon may have a cracking rate of less than 10.0%, for example, 0-10.0%, e.g., 0-6.0%, preferably less than 5.0%, e.g., 0-3.0%.
  • the spherical carbon may have a bulk density of 300-900 g/cm 3 , preferably 400-800 g/cm 3 , for example, 450-750 g/cm 3 , 500-700 g/cm 3 or 600-700 g/cm 3 .
  • the spherical carbon is used for cigarette smoke adsorption without modification.
  • the spherical carbon is used for cigarette smoke adsorption without conjugation or combination with other adsorbents.
  • the other adsorbents are adsorbent materials for adsorbing at least one undesired component of the cigarette smoke, but preferably do not comprise any excipient material known to be necessary for the preparation of tobaccos, such as paper for wrapping the tobacco, plug wrap paper and tipping paper of the cartridge and the like. Although they may possess a weak adsorption capacity in certain conditions, such materials will not be used as adsorbent materials by those skilled in the art and should not be included in the scope of the above-mentioned adsorbents for this reason.
  • the raw material for preparing the spherical carbon is a spherical polymer, such as a porous spherical polymer or a microporous spherical polymer.
  • the present disclosure further provides a method for preparing the spherical carbon, comprising the following steps:
  • the polymer in Step 1), may be prepared by mixing a monomer and an initiator for a polymerization reaction.
  • the polymer may be a homopolymer or a copolymer.
  • the homopolymer refers to a polymer prepared by polymerizing one monomer
  • the copolymer refers to a polymer prepared by polymerizing two or more monomers.
  • the monomer may be selected from compounds having 2-60 carbon atoms and having at least 1 carbon-carbon double bond, for example, a compound having 2-20 carbon atoms and having at least 1 carbon-carbon double bond.
  • the monomer may be selected from one, two or more of the following: ethylene, propylene, isopropene, butene, isobutene, pentene, isopentene, neopentene, hexene, isohexene, neohexene, styrene, methylstyrene, acrylic acid, methacrylic acid, methyl acrylate, methyl methacrylate, butadiene, pentadiene, isopentadiene, isohexadiene, divinylbenzene and diethylene glycol divinyl ether.
  • the polymer matrix of the copolymer comprises a structural unit derived from a first monomer having 2-10 carbon atoms and comprising at least one carbon-carbon double bond, and a structural unit derived from a second monomer having 4-15 carbon atoms and comprising at least two carbon-carbon double bonds.
  • the structural unit derived from the first monomer constitutes 75% to 98%, preferably 80% to 90%, of the total structural units of the polymer network; the structural unit derived from the second monomer constitutes 25% to 2%, preferably 20% to 10%, of the total structural units of the polymer network.
  • the first monomer is selected from one, two or more of styrene, methylstyrene, ethylstyrene, acrylic acid, methacrylic acid, methyl acrylate, methyl methacrylate and a mono-olefin having 2-6 carbon atoms, the mono-olefin having 2-6 carbon atoms being, for example, ethylene, propylene, isopropene, butene, isobutene, pentene, isopentene, neopentene, hexene, isohexene, neohexene and the like.
  • the second monomer is selected from one, two or more of butadiene, pentadiene, isopentadiene, isohexadiene, divinylbenzene and diethylene glycol divinyl ether.
  • the polymerization reaction may be a suspension polymerization reaction; preferably, the polymerization reaction is performed in the presence of water, a dispersant and a dispersion aid.
  • the water, the dispersant and the dispersion aid are present in a weight ratio of (800-1000):(0.5-100):(0.05-10).
  • the dispersant may have a weight of 8-80 g and the dispersion aid may have a weight of 0.2-2.4 g.
  • the monomer and the initiator may be present in a weight ratio of 1:(0.003-0.01).
  • the first monomer, the second monomer and the initiator may be present in a weight ratio of (0.75-0.98):(0.02-0.25):(0.003-0.01).
  • the water, the dispersant and the dispersion aid form an aqueous phase
  • the monomer of the homopolymer, the first monomer of the copolymer, the second monomer of the copolymer and/or the initiator form an oil phase.
  • the oil phase and the aqueous phase may be present in a weight ratio of 1:(4-6).
  • the suspension polymerization reaction may comprise: adding the components into a reaction kettle, introducing compressed air or nitrogen into the reaction kettle, keeping the pressure in the reaction kettle in a positive pressure state with the gauge pressure less than or equal to 0.5 MPa, heating to 80-110 °C, keeping the temperature for 2-24 h, cooling, washing with water, sieving and drying to obtain the spherical polymer.
  • the dispersant is an inorganic dispersant such as a silicate, a carbonate or a phosphate (e.g., disodium hydrogen phosphate dodecahydrate), or a combination thereof; an organic dispersant such as polyvinyl alcohol, gelatin, carboxymethylcellulose or polyacrylate, or a combination thereof; or a combination thereof.
  • an inorganic dispersant such as a silicate, a carbonate or a phosphate (e.g., disodium hydrogen phosphate dodecahydrate), or a combination thereof
  • an organic dispersant such as polyvinyl alcohol, gelatin, carboxymethylcellulose or polyacrylate, or a combination thereof; or a combination thereof.
  • the dispersion aid is sodium dodecyl sulfate, calcium dodecylbenzene sulfonate, sodium dodecylbenzene sulfonate, calcium petroleum sulfonate, sodium petroleum sulfonate or barium stearate, resorcinol, or a combination thereof.
  • the initiator is an organic peroxide compound, an inorganic peroxide compound or an azo compound, or a combination thereof.
  • the initiator is a diacyl peroxide compound, a dioxane peroxide compound, a peroxyester compound, azobisisobutyronitrile or a persulfate, or a combination thereof.
  • the polymerization reaction may also be performed in the presence of a porogen.
  • the porogen may be selected from paraffin, magnesium sulfate, sodium carbonate, gelatin or glycerol, or a combination thereof.
  • the spherical polymer may have a median particle diameter D 50 of 0.2-1.5 mm, for example, 0.2-1.0 mm, e.g., 0.2-0.4 mm, 0.6-0.8 mm, specifically 0.2 mm, 0.4 mm, 0.50 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, 1.0 mm, 1.1 mm or 1.2 mm.
  • the polymer may be a sulfonated polymer or an unsulfonated polymer.
  • the sulfonation may be performed prior to the carbonization step and/or in situ during the carbonization.
  • the unsulfonated polymer may also be prepared according to known methods or commercially available.
  • the sulfonation may be performed using starting materials known in the art, for example, by contacting the unsulfonated polymer with a sulfonating agent.
  • the sulfonating agent may be selected from one or a combination of more of sulfuric acid (e.g., concentrated sulfuric acid), fuming sulfuric acid and SO 3 .
  • the non-sulfonated spherical polymer and the sulfonating agent may be present in a total weight ratio of 3:1-1:3, for example, 2:1-1:2, e.g., 1:1-1:1.5.
  • the temperature of the sulfonation step may vary over a wide range.
  • the temperature of the sulfonation step may be 30-300 °C, for example, 40-180 °C, 200-280 °C, e.g., 50-160 °C, 240-260 °C.
  • the sulfonation step may be performed while elevating the temperature within the above-mentioned temperature range.
  • the temperature ramp may be no more than 10 °C/min, for example, no more than 5 °C/min, e.g., no more than 3 °C/min.
  • the time of the sulfonation step may be 0.5-12 h, preferably 1-10 h, for example, 1.5-10 h, 1.8-8 h, 2-6 h.
  • the sulfonation is performed in an inert atmosphere, and the gas in the inert atmosphere may be selected from one or a combination of more of nitrogen, helium and argon.
  • the carbonization of Step 1) may be performed in an inert atmosphere or in a mixed atmosphere of an inert atmosphere and oxygen.
  • the temperature of the carbonization step may be 100-950 °C, for example, 160-900 °C, e.g., 300-850 °C.
  • the starting temperature of the carbonization step may be equal to or greater than the ending temperature of the sulfonation temperature.
  • the carbonization step may be performed while elevating the temperature within the above-mentioned temperature range.
  • the temperature ramp may be no more than 10 °C/min, for example, no more than 5 °C/min, e.g., no more than 3 °C/min.
  • the carbonization may be performed sequentially in 2 or more temperature ranges, for example, sequentially in 2 to 10 temperature ranges.
  • the temperatures of the temperature ranges are different from each other.
  • the carbonization may be performed through gradient temperature ramping.
  • the carbonization may have the same or different temperature ramping rates and the same or different holding times in different temperature ranges.
  • the carbonization when the carbonization is sequentially performed in 2 or more temperature ranges, the carbonization is first performed in a first temperature range, and is sequentially performed in the next temperature range, for example, a second temperature range.
  • the temperature of the first temperature range may be 100-500 °C, e.g., 160-350 °C.
  • the initial temperature of the second temperature range may be greater than or equal to the maximum temperature of the first temperature range, for example, the temperature of the second temperature range is 350-850 °C, e.g., 400-800 °C.
  • the carbonization time is 30 min to 20 h, for example, 1-16 h, e.g., 2-12 h.
  • the volume percentage of oxygen in the mixed atmosphere is 1-5%.
  • the spherical polymer may be subjected to sulfonation either at that temperature or in situ during the carbonization.
  • the activation of Step 2) may comprise a first activation step performed in an atmosphere comprising water vapor.
  • the temperature of the first activation treatment is 700-1300 °C, for example, 800-1200 °C, e.g., 850-950 °C; the time for the first activation step may be 1-40 h, for example, 5-35 h, e.g., 10-30 h.
  • the atmosphere in the first activation step comprises or consists of water vapor, in particular a water vapor/inert gas (e.g., nitrogen) mixture, preferably a water vapor/nitrogen mixture.
  • a water vapor/inert gas e.g., nitrogen
  • nitrogen and water vapor are present in a volume ratio (flow rate ratio) of 3:1 or greater, for example, 4:1-15:1, preferably 7:1-13:1.
  • the atmosphere of the first activation step may be free of other gases, for example, free of carbon oxides (e.g., CO 2 ), oxygen and ammonia.
  • the activation may be performed sequentially in 2 or more temperature ranges, for example, sequentially in 2 to 10 temperature ranges.
  • the temperatures of the temperature ranges are different from each other.
  • the activation may be performed through gradient temperature ramping.
  • the activation may have the same or different temperature ramping rates and the same or different holding times in different temperature ranges.
  • the activation is first performed in a first temperature range, and is sequentially performed in the next temperature range, for example, a second temperature range.
  • the temperature of the first temperature range may be 20-200 °C.
  • the initial temperature of the second temperature range may be greater than or equal to the maximum temperature of the first temperature range, for example, the temperature of the second temperature range is 200-550 °C.
  • the initial temperature of a third temperature range may be greater than or equal to the maximum temperature of the second temperature range, for example, the temperature of the third temperature range is 550-900 °C.
  • the initial temperature of a fourth temperature range may be greater than or equal to the maximum temperature of the third range, for example, the temperature of the fourth temperature range is 900-1300 °C, e.g., 900-1100 °C.
  • the activation of Step 2) may further comprise a second activation step performed in an atmosphere comprising CO 2 .
  • the temperature of the second activation step is 700-1300 °C, preferably 800-1200 °C, for example, 900-950 °C; the time of the second activation step is 1-15 h, for example, 3-12 h.
  • the atmosphere of the second activation step comprises CO 2 , for example, CO 2 or a mixture of CO 2 and an inert gas, e.g., a mixture of CO 2 and nitrogen.
  • an inert gas e.g., a mixture of CO 2 and nitrogen.
  • nitrogen and CO 2 may be present in a volume ratio (flow rate ratio) of 10:1-1:10, for example, 10:1-2:1, e.g., 8:1-4:1, 3:1-2:1.
  • the atmosphere of the second activation step may be free of other gases, for example, free of water vapor.
  • the temperature ramping may be a gradient temperature ramping.
  • the temperature may be raised to a certain temperature, kept for 1-900 min, e.g., 30-800 min, and then raised again.
  • the temperature ramping in the method of the present disclosure may be continuous or intermittent.
  • the temperature ramping rate is no more than 10 °C/min, for example, no more than 5 °C/min, e.g., no more than 3 °C/min.
  • the cartridge comprises a composite mouthpiece comprising the spherical carbon.
  • the composite mouthpiece comprises at least one of the following composite units: an empty section comprising the spherical carbon in the middle, and tow sections connected with the two ends of the empty section.
  • the composite unit can play a role in filtering and/or cooling.
  • the cartridge further comprises a tobacco section, a hollow filter section, a cooling section and/or a solid filter section, for example, the cartridge comprises the tobacco section, the hollow filter section, the cooling section and the solid filter section that are arranged in sequence.
  • the cooling section may comprise a phase-change material.
  • the cartridge comprises a heating section, a first tobacco section, a second tobacco section and a hollow filter section; for example, the cartridge comprises the heating section, the first tobacco section, the second tobacco section and the hollow filter section that are arranged in sequence.
  • the heating section comprises a carbon bar.
  • the first tobacco section comprises a vaporization chamber.
  • the second tobacco section comprises a condensation chamber.
  • the composite mouthpiece may be combined with any one, two or more of the above-described sections to form a cartridge.
  • the hollow filter section and solid filter section comprise a filter medium tow, for example, fibers, cellulose, cellulose acetate, acetate fibers, polypropylene and the like.
  • the spherical carbon is used to adsorb cigarette smoke in any one or more of the above-described structural sections in the cartridge.
  • the present disclosure further provides a cartridge comprising a spherical carbon, wherein the spherical carbon is defined above.
  • the cartridge has a structure as described above.
  • the spherical carbon is dispersed in any one or more of the above-described structural sections in the cartridge.
  • the dispersion is a continuous dispersion or a discontinuous dispersion.
  • the discontinuous dispersion may be uniform dispersion at intervals or non-uniform dispersion of spherical carbon at intervals according to a certain concentration gradient; for example, the continuous dispersion may be an isocratic dispersion or a non-isocratic dispersion.
  • the spherical carbon is present at the greatest concentration near the tobacco portion.
  • the spherical carbon and the tow in the filter section are compounded into a carbon spraying tow, which is arranged in the hollow filter section and/or the solid filter section.
  • the spherical carbon and the phase-change material are compounded and arranged in the cooling section.
  • the phase-change material is selected from phase-change materials known in the art.
  • the cartridge may further comprise other adsorbents, catalysts and/or additives suitable for use in the cartridge in addition to the spherical carbon.
  • the present disclosure further provides a heat-not-burn tobacco product comprising the spherical carbon and/or the cartridge.
  • the spherical carbon in the tobacco product may have a weight of 1 to 300 mg, for example, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 170, 180, 190, 200 or 300 mg.
  • the spherical carbon has a weight of about 10-60 mg, for example, 15-30 mg.
  • the heat-not-burn tobacco product and the cartridge have the meanings as described above.
  • the heat-not-burn tobacco product further comprises a smoking set for heating the cartridge.
  • the heating may be internal heating, external heating or hybrid internal/external heating.
  • the number of smoking sets is at least 3, preferably 4, 5 or more.
  • the number of cartridges is at least 120, preferably 130, 140 or more.
  • the "smoking" of the heat-not-burn tobacco product generally comprises heating the tobacco in the cartridge and inhaling downstream smoke through the cooling section of the tobacco product via a filter mouthpiece.
  • the present disclosure further provides a method for producing the heat-not-burn tobacco product, comprising combining the cartridge with the smoking set.
  • the present disclosure further provides a method for adsorbing cigarette smoke, comprising contacting the spherical carbon with the cigarette smoke.
  • the spherical carbon may be pretreated.
  • the spherical carbon is heated, and furthermore, the heating temperature may be 90 °C or greater, preferably 100 °C or greater.
  • the present disclosure further provides a method for selectively adsorbing at least one component in a cigarette smoke, comprising contacting the spherical carbon with the cigarette smoke comprising the at least one component.
  • the inventors have surprisingly found that not only are the mechanical properties satisfactory when the spherical carbon of the present disclosure is used in heat-not-burn tobacco products, but also the undesirable adsorption of nicotine is significantly improved due to the excellent selective and specific adsorption effect of the large amount of carbonyl compounds produced during heating, which is undoubtedly particularly advantageous for improving the content of HPHCs in the cigarette smoke.
  • the spherical carbon used in the present disclosure has stable physical and mechanical properties, and does not require modification or introduce new chemicals, thus ensuring the safety and stability of tobacco products.
  • FIG. 1 is a schematic view of the structure of the cartridge in Test Example 1.
  • the mixture was quickly stirred to adjust the size of droplets in the reactor and the temperature was raised from 25 °C to 100 °C to polymerize the mixture.
  • the mixture was cooled, washed through a sieve and dried in vacuum at 80 °C. 11132 g of spherical polymer with a smooth surface was obtained.
  • the polymer obtained in Step 1.1 was mixed with concentrated sulfuric acid (98% concentration) in a mass ratio of 2:3. The mixture was then transferred into an acid-resistant rotary tube furnace with a nitrogen atmosphere and subjected to thermal treatments with a nitrogen flow rate kept at 10-20 Nm 3 /h as follows:
  • the obtained product was sieved to give spherical carbon XH-1 with particle sizes of 0.20-0.40 mm, an average pore size of 2.14 nm, an average specific surface area of 1115 m 2 /g, an average pore volume of 0.5966 cm 3 /g, an average compressive strength of 25.94 N, an average bulk density of 612 g/L, a cracking rate of 0 and a strength of 98.84%.
  • Spherical carbon XH-2 was prepared according to Example 1, except that the stirring speed for preparing polymer matrix was adjusted to increase the particle sizes of the polymer matrix and spherical carbon.
  • the prepared spherical carbon was sieved to give spherical carbon XH-2 with particle sizes of 0.60-0.80 mm, an average pore size of 2.26 nm, an average specific surface area of 1037 m 2 /g, an average pore volume of 0.5854 cm 3 /g, an average compressive strength of 94.45 N, an average bulk density of 686 g/L, a cracking rate of 0 and a strength of 99.57%.
  • Spherical carbon DH was prepared according to Example 1, except that the method for preparing the spherical polymer matrix is as follows: 3 L of water was added into a 10-L glass reactor and heated to 25 °C. 10 g of gelatin, 16 g of disodium hydrogen phosphate dodecahydrate and 0.8 g of resorcinol were added with stirring, and the mixture was stirred homogeneously. 120 g of divinylbenzene, 30 g of ethylstyrene, 20 g of dibenzoyl peroxide, 1800 g of styrene and 1200 g of isododecane were mixed by stirring to form an oil phase, and the oil phase was added to the above-described mixture with stirring.
  • the reactor was sealed before clean compressed air was introduced into the reactor.
  • the mixture was quickly stirred to adjust the size of droplets in the reactor and the temperature was gradually raised to 95 °C. After keeping the temperature for 12 h, the mixture was cooled, filtered through a 32- ⁇ m mesh screen, washed and then dried in vacuum at 80 °C. 1704 g of spherical polymer with a smooth surface was obtained.
  • Example 2 The obtained spherical carbon was sieved to give spherical carbon DH with particle sizes of 0.60-0.80 mm, an average pore size of 2.2578 nm, an average specific surface area of 1037 m 2 /g, an average pore volume of 0.5854 cm 3 /g, an average compressive strength of 94.45 N, an average bulk density of 686 g/L, a cracking rate of 0 and a strength of 99.57%.
  • spherical carbon DH with particle sizes of 0.60-0.80 mm, an average pore size of 2.2578 nm, an average specific surface area of 1037 m 2 /g, an average pore volume of 0.5854 cm 3 /g, an average compressive strength of 94.45 N, an average bulk density of 686 g/L, a cracking rate of 0 and a strength of 99.57%.
  • the cartridge was formed by combining the composite mouthpiece 1 and at least one section of the hollow filter section, the cooling section, the solid filter section or the tobacco section (tobacco flakes, reconstituted tobacco or recombined tobacco) together.
  • the cartridge as shown in FIG. 1 , was formed by connecting and combining the hollow composite mouthpiece 1, the cooling section 2, the hollow filter section 3 and the tobacco section 4.
  • the structure of the hollow composite mouthpiece 1 is as follows: the middle is an empty section comprising the spherical carbon, and the two ends are tow sections formed by low-resistance tows.
  • the preparation of the hollow composite mouthpiece is as follows: The tows were cut into uniform small segments and the outer package was plug wrap paper. The small segments of tows were fixed on the plug wrap paper at cavity intervals of about 6 mm by adjusting the speed of the forming machine. The spherical carbons were uniformly added into the cavity intervals, and the hollow composite mouthpiece was obtained by rolling.
  • Cartridges I and II were prepared according to different loading amounts and particle sizes of the spherical carbon.
  • the loading amount of the spherical carbon was 15 mg, and spherical carbon XH-1 with a particle size range of 0.2-0.4 mm prepared in Example 1 was selected; in cartridge II, the loading amount of the spherical carbon was 30 mg, and spherical carbon DH with a particle size range of 0.6-0.8 mm prepared in Example 3 was selected.
  • the addition amounts of the coconut shell activated carbon in the Comparative Example were 15 mg and 30 mg.
  • the cartridges were placed into heat-not-burn smoking sets for heating.
  • the number of heat-not-burn smoking sets was at least 3, and the number of cartridges was at least 120.
  • the cartridges were heated by smoking sets.
  • the generated cigarette smoke was collected and analyzed as per criteria YC/T 254-2008 or European Union TPD, for HPHCs including, but not limited to, formaldehyde, acetaldehyde, acetone, acrolein, propionaldehyde, crotonaldehyde, 2-butanone, butyraldehyde and other aldehyde and ketone substances.
  • HPHCs including, but not limited to, formaldehyde, acetaldehyde, acetone, acrolein, propionaldehyde, crotonaldehyde, 2-butanone, butyraldehyde and other aldehyde and ketone substances.
  • the test showed that the contents of HPHCs in cigarette smokes of the heat-not-burn tobacco products containing the activated carbon provided by the Examples were significantly lower than those in the smoke of Comparative Example 1.
  • the structure of cartridge III was basically the same as that of Test Example 1, except that: the tobacco section 4 was filled with commercially available tea-flavored tobacco flakes, and the inhalation section was covered with silicone sheets having uniformly distributed small pores and was loaded with 30 mg of spherical carbon XH-2 of Example 2.
  • the cartridge of Comparative Example 2 was a cartridge that did not contain spherical carbon or other activated carbon, also referred to as a "blank cartridge".
  • Cartridge III and the cartridge of Comparative Example 2 were heated in the same conditions using smoking sets.
  • the generated cigarette smokes inhaled by a smoking machine were introduced through an impingement bottle containing acidic 2,4-DNPH (2,4-dinitrophenylhydrazine) solution as per CORESTA RECOMMENDED METHOD N 0 74, where the carbonyl compounds in the cigarette smoke were absorbed by the solution.

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  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
EP21902746.3A 2020-12-11 2021-12-13 Application de carbone sphérique dans l'adsorption de gaz de combustion d'un produit à base de tabac à chauffage sans combustion Pending EP4260715A1 (fr)

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MY135471A (en) * 2002-01-09 2008-04-30 Philip Morris Prod Cigarette filter with beaded carbon
US7784471B2 (en) * 2003-01-09 2010-08-31 Philip Morris Usa Inc. Cigarette filter with beaded carbon
GB2503644A (en) * 2012-05-03 2014-01-08 British American Tobacco Co Filter
CN108383117B (zh) * 2017-09-01 2020-03-06 深圳市环球绿地新材料有限公司 高性能球形活性炭、其制备方法和用途
CN108158029B (zh) * 2017-12-22 2020-09-25 安徽中烟工业有限责任公司 一种包含烟草颗粒的炭加热卷烟
CN108840335A (zh) * 2018-07-16 2018-11-20 深圳市环球绿地新材料有限公司 过热水蒸气活化制备球形活性炭的方法及其产物和用途
CN210203372U (zh) * 2019-05-21 2020-03-31 深圳市超越电子烟有限公司 一种多功能电子烟
CN210901379U (zh) * 2019-08-13 2020-07-03 普维思信(深圳)科技有限公司 一种加热不燃烧香烟过滤器及加热不燃烧香烟
CN110432552A (zh) * 2019-08-13 2019-11-12 普维思信（北京）科技有限公司 一种加热不燃烧香烟过滤器及加热不燃烧香烟
CN112841708B (zh) * 2019-12-26 2023-05-02 深圳市环球绿地新材料有限公司 球状炭在烟草制品燃烧产生的烟气吸附中的应用

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