WO2011118043A1 - Elément combustible d'un article à fumer sans combustion et procédé de fabrication de ce dernier - Google Patents

Elément combustible d'un article à fumer sans combustion et procédé de fabrication de ce dernier Download PDF

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Publication number
WO2011118043A1
WO2011118043A1 PCT/JP2010/055461 JP2010055461W WO2011118043A1 WO 2011118043 A1 WO2011118043 A1 WO 2011118043A1 JP 2010055461 W JP2010055461 W JP 2010055461W WO 2011118043 A1 WO2011118043 A1 WO 2011118043A1
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Prior art keywords
fuel element
carbon monoxide
fuel
reducing agent
monoxide reducing
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PCT/JP2010/055461
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English (en)
Japanese (ja)
Inventor
康信 井上
学 西村
清弘 笹川
健 秋山
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日本たばこ産業株式会社
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Priority to PCT/JP2010/055461 priority Critical patent/WO2011118043A1/fr
Publication of WO2011118043A1 publication Critical patent/WO2011118043A1/fr

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    • 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
    • A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
    • A24B15/165—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes comprising as heat source a carbon fuel or an oxidized or thermally degraded carbonaceous fuel, e.g. carbohydrates, cellulosic material

Definitions

  • the present invention relates to a fuel element for a non-combustion smoking article and a method for manufacturing the same.
  • non-burning smoking articles that do not involve burning tobacco leaves.
  • These non-combustion smoking articles are composed of a fuel element containing carbon and an aerosol generating element containing an aerosol generating material in which a flavor component is held on a suitable base material.
  • the fuel element attached to the tip is ignited, and the aerosol (TPM) generated from the fuel element itself or the aerosol generated from the aerosol generating element by the combustion heat of the fuel element is inhaled, and the flavor and taste contained in this aerosol can be tasted it can.
  • the aerosol generated from the smoking article includes carbon monoxide resulting from incomplete combustion of the fuel element as an undesirable component, and it is desirable that the aerosol is removed as much as possible from the aerosol.
  • U.S. Patent No. 6,099,077 discloses a fuel element that includes a catalyst composition that includes metal oxides and / or ultrafine particles of metal to reduce mainstream smoke carbon monoxide.
  • Patent Document 2 discloses a method of reducing carbon monoxide by disposing a CO oxidation catalyst adjacent to a combustion element.
  • Patent Document 3 discloses a heat source containing a mixture of metal carbide, metal nitride, and metal in a fuel element.
  • Patent Document 4 discloses a fuel obtained by coating a carbon fuel with a solid material that is substantially incombustible at a temperature at which the carbon fuel burns as a microporous layer.
  • Patent Document 5 discloses a method of reducing carbon monoxide by changing the ratio of incombustibles (calcium carbonate) contained in carbon fuel.
  • Patent Document 1 discloses a catalyst composition using metal oxide and / or ultrafine metal particles, but the iron oxide described in this document is not suitable for mass use due to high material cost.
  • ultrafine metal particles are difficult to handle in production.
  • it is necessary to knead the material for manufacturing, but if it becomes ultrafine particles, it cannot be kneaded according to the material ratio due to scattering when the fuel element is formed.
  • Patent Document 2 discloses a method in which a catalyst layer is arranged on the end surface on the suction side of the carbon fuel, and an aerosol generation source is further arranged on the end surface on the suction side of the catalyst layer. Not enough heat is provided, aerosol generation is reduced, and it does not function as a smoking article.
  • Patent Document 3 proposes a heat source containing a metal carbide, metal nitride and a mixture of metals as a catalyst in the fuel element.
  • metal carbide and metal nitride are expensive to manufacture and are applied to smoking articles.
  • An increase in manufacturing cost can be considered.
  • Patent Document 5 discloses a method of reducing carbon monoxide by changing the proportion of incombustibles (calcium carbonate) contained in carbon fuel, but this method is practical from the viewpoint of cost. Although it is high, there are problems that the number of puffs is reduced due to a decrease in the duration of combustion and the ignitability of the fuel element is reduced.
  • the present invention includes a carbon monoxide reducing agent that can be produced at a low cost and has excellent handling properties, efficiently removes carbon monoxide in aerosols generated from non-combustion-type smoking articles, and has excellent ignitability.
  • An object is to provide a fuel element for a non-combustible smoking article. It is another object of the present invention to provide a method for producing a fuel element for a non-combustion smoking article that exhibits good carbon monoxide reduction ability during puffing without reducing carbon monoxide reduction ability during the preparation process.
  • the present inventors have come to obtain a fuel element that solves the above problems by blending a carbon monoxide reducing agent containing calcium aluminate particles whose BET specific surface area and particle size are adjusted.
  • the calcium aluminate particles represented by the formula (CaO) m (Al 2 O 3 ) n (where 1/6 ⁇ m / n ⁇ 4/1) are contained.
  • a fuel element for a non-combustible smoking article comprising a carbon oxide reducing agent, carbon powder as a fuel source, and a binder.
  • a fuel element of a non-combustion type smoking article that can be manufactured at low cost and efficiently removes carbon monoxide in the aerosol generated from the smoking article of the non-combustion type smoking article and has excellent ignitability.
  • a method for producing a fuel element that exhibits good carbon monoxide reduction ability in use can be obtained without reducing the carbon monoxide reduction ability in the preparation process.
  • FIG. 1 is a cross-sectional view of a non-combustible smoking article that includes a fuel element of the present invention.
  • FIG. 2 is an enlarged perspective view of a part of FIG.
  • FIG. 3 is a graph showing the results of thermogravimetric analysis of the fuel element of the present invention.
  • FIG. 4 is a graph showing the measurement result of the amount of CO produced in the aerosol with respect to the content of calcium aluminate particles in the fuel element of the present invention.
  • the fuel element of the present invention includes a carbon monoxide reducing agent including calcium aluminate particles having a BET specific surface area adjusted to a desired range, a fuel source, and a binder.
  • the fuel element of the present invention is flammable because it is used, for example, as a combustion heat source for non-combustible smoking articles, is sufficient to sustain combustion for several minutes after ignition, and to generate an aerosol when puffed A characteristic capable of generating heat is required.
  • the carbon monoxide reducing agent is for removing CO generated from smoking articles.
  • the carbon monoxide reducing agent according to the present invention is mixed with 1 mol of calcium carbonate and n mol of aluminum oxide so that 1/6 ⁇ m / n ⁇ 4/1, and fired at 1250 ° C. to 1350 ° C. It is obtained by pulverizing the calcium aluminate obtained.
  • the calcium aluminate particles contained in the carbon monoxide reducing agent of the present invention have a BET specific surface area of 2 m 2 / g or more and less than 20 m 2 / g.
  • the specific surface area is defined as the ratio of the surface area (m 2 ) per weight (g) of the particles.
  • the particle weight decreases as the particle size decreases, the smaller the particle size, the larger the specific surface area.
  • the surface of the carbon monoxide reducing agent (calcium aluminate) particles becomes a release site of radicals that contribute to carbon monoxide reduction, such as superoxide anion radicals. In order to exhibit good radical releasing ability, it is desirable that the carbon monoxide reducing agent (calcium aluminate) particles have a certain large surface area.
  • the calcium aluminate particles preferably have a certain size.
  • the particle size of the carbon monoxide reducing agent is nano-sized, handling becomes difficult, for example, particles rise during production.
  • the BET specific surface area can be determined by, for example, an automatic specific surface area / pore distribution measuring device, and assuming that the calcium aluminate particles (specific gravity 2 g / cm 3 ) are true spheres without surface pores, the specific surface area is The particle size of 2 m 2 / g particles is 750 nm, 20 m 2 / g is 75 nm. Furthermore, since the carbon monoxide reducing agent of the present invention has the BET specific surface area, even if it comes into contact with a combustion gas containing moisture, the carbon monoxide reducing ability is not lowered for a relatively long time. Even if it is once poisoned with water, it is possible to recover the function of reducing carbon monoxide by placing it in an atmosphere of about 500 ° C.
  • the carbon monoxide reducing agent of the present invention may have an iron compound supported on the surface.
  • the amount of the iron compound is more preferably supported in the range of 0.1% by weight to 5.2% by weight in terms of iron element, based on the total weight of the carbon monoxide reducing agent.
  • the powder, solution or suspension of the iron compound is applied to the surface of the calcium aluminate particles obtained as described above by spraying, dipping, etc., and dried. A method of firing is used.
  • the iron compound is preferably added by a wet method using a non-aqueous solvent. That is, the iron compound supported on the particles is used after being dissolved in a non-aqueous solvent.
  • the iron compound is not particularly limited as long as it can be dissolved in a non-aqueous solvent such as an organic solvent, and examples thereof include iron sulfate, iron chloride, and iron nitrate.
  • a non-aqueous solvent such as an organic solvent can be used, and there is no particular limitation as long as the iron compound can be dissolved. In particular, it is preferable to use acetone or ethanol.
  • the amount of the carbon monoxide reducing agent is too small, a sufficient effect of reducing the monoxide is not exerted, and if the amount is too large, the combustibility and the aerosol generation amount are decreased, which is not preferable.
  • the carbon monoxide reducing agent of the present invention is blended in an amount of 10 to 90% by weight, preferably 15 to 60% by weight, based on the total weight of the fuel element.
  • the fuel source is one that burns in the fuel element and generates combustion heat.
  • the fuel source is, for example, carbon powder.
  • the type of carbon powder is not particularly limited, and commercially available carbon powder can be used.
  • the fuel source is blended in a proportion of 10 to 90% by weight, more preferably 40 to 60% by weight of the total weight of the fuel elements.
  • the binder is for binding the raw materials constituting the fuel element. Further, those that can maintain curability even when a non-aqueous solvent is used are preferable.
  • corn starch that is a starch adhesive, roasted dextrin, acetylated / methylated / carboxymethylated starch, or Cellulose adhesive cellulose nitrate, ethyl cellulose, methyl cellulose, hydroxyethyl cellulose, carboxymethyl cellulose polymer or salt thereof, or ammonium alginate, guar gum, locust bean gum, chitansan gum, tamarind seed gum, carrageenan, pectin, agar, pullulan , Thickening polysaccharides such as gum arabic.
  • cellulose nitrate or ethyl cellulose is preferable, and ethyl cellulose is more preferable.
  • the binder can be blended at a ratio of 0.010 to 50% by weight, more preferably 0.1 to 0.75% by weight, with respect to 1% by weight of the fuel source.
  • the aerosol source can generate an aerosol by heat, and specifically, is a polyhydric alcohol such as glycerin, a tobacco component, water, ethanol or the like.
  • the aerosol source is not necessarily blended, but when blended, it can be blended at a ratio of 0.01 to 98% by weight, more preferably 0.01 to 0.1% by weight with respect to 1% by weight of the fuel source.
  • the non-aqueous solvent is for imparting an appropriate viscosity to the raw material of the fuel element and imparting moldability at the time of preparation of the fuel element. Further, it is required to use a solvent other than water so that the calcium aluminate particles of the present invention are not poisoned.
  • a preferable non-aqueous solvent is preferably a low-boiling solvent that can give an appropriate viscosity to the raw material of the fuel element and is easy in drying operation. Specifically, methanol, ethanol, propanol, acetone and the like are preferable, and ethanol is particularly preferable.
  • Non-combustible material Incombustible material is used as an upside down fuel element.
  • the non-combustible material include carbonates such as sodium, potassium, calcium, and magnesium, and oxides, silicate compounds, silicon oxide, talc, barium sulfate, and kaolin.
  • the non-combustible material When blended, the non-combustible material can be blended in a proportion of generally up to 98% by weight, more preferably up to 8% by weight with respect to 1% by weight of the fuel source.
  • the fuel element is, for example, mixed with the above-mentioned carbon monoxide reducing agent, fuel source and binder in powder form, optionally added with non-combustible material and / or aerosol source, mixed and then given a suitable viscosity to formability In order to increase this, it is obtained by adding a non-aqueous solvent and kneading and extruding it.
  • each raw material can be previously dissolved or suspended in a non-aqueous solvent and then mixed, and similarly obtained by extrusion molding.
  • the fuel element is provided with a plurality of air intakes penetrating in the length direction of the fuel element.
  • the air intake can be formed into an arbitrary shape by adjusting the die shape of the extruder during extrusion molding.
  • the final fuel element has a diameter of 2 to 10 mm, a length of 2 to 20 mm, a porosity of 5 to 80 mm, preferably a diameter of 4 to 8 mm, a length of 5 to 10 mm, and a porosity of 20 to 70 mm. It is.
  • the fuel element of the present invention is used as a combustion heat source for non-combustion smoking articles.
  • Non-combustion smoking articles include, for example, a fuel element, an aerosol source element, and an aerosol removal element (filter).
  • the fuel element is loaded in a cylindrical heat insulating element
  • the aerosol source element and the aerosol removing element are loaded in a cylindrical member (cylindrical body).
  • Aerosol source element is capable of generating an aerosol preferred by the user by heat supplied from the fuel element, and is composed of an aerosol source, a binder, and an aerosol source stationary.
  • Aerosol source and binder as can be used for the fuel element described above can be used.
  • Aerosol source fixed materials include tobacco raw materials such as tobacco leaves, tobacco, tobacco leaves / recycled tobacco sheets extracted from tobacco, tobacco materials such as alumina, calcium carbonate, zeolite, and high molecular organic compounds such as cellulose. It is.
  • a typical aerosol source element is composed of glycerin as an aerosol source, tobacco tobacco powder as a fixed aerosol source, and ammonium alginate as a binder.
  • the thermal insulation element of the fuel element is used to prevent the heated fuel element from being exposed to the outside, but the thermal insulation element of the fuel element may or may not be present.
  • Specific thermal insulation elements are composed of glass wool, rock wool, ceramic fiber or calcium silicate.
  • a cylindrical body consists of a wrapper and a heat insulating material, and is loaded with an aerosol element and an aerosol removal element. Further, it is used for efficiently transmitting the combustion heat of the fuel element to the aerosol source element and promoting the generation of the aerosol. It also has a function of providing appropriate heat insulation so that the smoker does not feel heat when holding the non-combustion smoking article.
  • the wrapper wraps the aerosol source element and the aerosol removal element in a cylindrical shape, and the heat insulating material further coats the outside of the wrapper. Further, the wrapper has better heat resistance and better heat reflectivity than the heat insulating material.
  • the wrapper includes a metal such as an aluminum foil.
  • the heat insulating material has a smaller thermal conductivity than the wrapper.
  • the heat insulating material includes, for example, paper.
  • the aerosol removal element is a so-called filter.
  • the aerosol removal element is used to moderately adjust the amount of aerosol inhaled by the smoker.
  • the aerosol removing element is, for example, acetate fiber as a filter medium, paper, pulp, wool, and the like, and may further include additives such as activated carbon, magnesium silicate, silica gel, ion exchange resin, and urethane resin. These additives may be supported on the filter medium when forming the filter, or may be added as a tow material when the filter medium is towed. Further, a fragrance such as menthol or a substance carrying a fragrance may be further added to the filter medium.
  • the aerosol removal element may have a hollow structure that does not substantially have aerosol removal ability, and can be omitted from the elements of the non-combustion smoking article.
  • Non-combustible smoking articles can have openings for taking in air during smoking to dilute mainstream smoke components (eg, carbon dioxide).
  • FIG. 1 shows a cross-sectional view of a non-combustion smoking article in which a fuel element 10 of the present invention is connected to a cylindrical body 50 having an ignition end 50a and a suction end 50b
  • FIG. 2 shows a part of FIG. An enlarged perspective view is shown.
  • the fuel element 10 is loaded in the heat insulation element 20, and the aerosol source element 30 and the aerosol source removal element 40 are loaded in the cylindrical body 50.
  • the fuel element 10 is located on the side of the ignition end 50a of the cylindrical body 50, and the aerosol removal element 40 is located on the side of the suction end 50b of the non-combustion smoking article.
  • the fuel element 10 is provided with a plurality of air intake ports 101 penetrating in the length direction.
  • the cylindrical body 50 includes a wrapper 501 and a heat insulating material 502, and the aerosol source element 30 and the aerosol removing element 40 are wound in a cylindrical shape by the wrapper 501, and the outer side of the wrapper 501 is further covered with the heat insulating material 502. ing.
  • the non-combustion smoking article described above is used as follows. That is, when the fuel element 10 is first ignited, combustion gas is generated. Here, a part of the carbon monoxide generated during combustion is decomposed by the carbon monoxide reducing agent blended in the fuel element 10. Next, the combustion gas flows into the cylindrical body 50 by the user's intake air. When the aerosol source element 30 loaded in the cylindrical body 50 is exposed to the combustion gas, an aerosol containing a flavor is generated from the aerosol source contained in the aerosol source element 30. The aerosol generated in this manner is adjusted to an appropriate amount via the aerosol source removal element 40 and then reaches the user's mouth. In this way, the user can taste an aerosol with a low carbon monoxide content and a flavor.
  • Example 1 Preparation of carbon monoxide reducing agent (sample 1)
  • the calcium carbonate powder and the aluminum oxide powder were mixed using a powder mixer so that the molar ratio of calcium carbonate and aluminum oxide was 12: 7.
  • the mixed powder was put in a crucible and heated at 1350 ° C. for 2 hours, and then cooled to room temperature in an atmosphere in which oxygen was passed to obtain calcium aluminate particles. After the obtained calcium aluminate particles were crushed, the BET specific surface area was adjusted to 10.0 m 2 / g with a dry ball mill and a wet ball mill.
  • iron nitrate was added in the form of an ethanol solution containing 0.9% by weight as an iron element, stirred and mixed, dried, and supported on the surface of the calcium aluminate particles.
  • the obtained particles were further calcined at 600 ° C. for 4 hours under oxygen flow to obtain a carbon monoxide reducing agent (sample 1) in which an iron compound was supported on the particle surface as iron by 0.6% by weight of the particle weight.
  • the qualitative and quantitative test procedures for the obtained sample will be described later.
  • Example 2 Carbon monoxide reducing agent (sample 2) using the same procedure as sample 1 except that the calcium aluminate particles have a BET specific surface area adjusted to 10.1 m 2 / g and the iron compound is loaded on the particle surface as 1.2% by weight. Got.
  • Example 3 Carbon monoxide reducing agent (sample 3) using the same procedure as sample 1 except that the calcium aluminate particles had a BET specific surface area adjusted to 10.0 m 2 / g and the iron compound was supported on the particle surface by 5.2% by weight as iron. Got.
  • Example 4 The calcium carbonate powder and the aluminum oxide powder were mixed using a powder mixer so that the molar ratio of calcium carbonate and aluminum oxide was 12: 7. The mixed powder was put in a crucible and heated at 1350 ° C. for 2 hours, and then cooled to room temperature in an atmosphere in which oxygen was passed to obtain calcium aluminate particles. After the obtained calcium aluminate particles were crushed, the carbon monoxide reducing agent (Sample 4) was obtained by adjusting the BET specific surface area to 2.3 m 2 / g with a dry ball mill and a wet ball mill.
  • Example 5 A carbon monoxide reducing agent (Sample 5) was obtained by the same procedure as Sample 4 except that the BET specific surface area of the calcium aluminate particles was adjusted to 10.6 m 2 / g.
  • Example 6 The carbon monoxide reducing agent (Sample 6) was prepared in the same procedure as Sample 4 except that the BET specific surface area of calcium aluminate particles with a 3: 1 molar ratio of calcium carbonate to aluminum oxide was adjusted to 3.4 m 2 / g. Obtained.
  • Example 7 The carbon monoxide reducing agent (Sample 7) was prepared in the same procedure as Sample 4 except that the BET specific surface area of calcium aluminate particles having a molar ratio of calcium carbonate to aluminum oxide of 1: 6 was adjusted to 3.2 m 2 / g. Obtained.
  • the sample 5 was subjected to X-ray diffraction analysis by XRD (Rigaku RAD RB RU-200), and it was confirmed that (CaO) 12 / (Al 2 O 3 ) 7 was present as a main component. Further, the samples 1 to 3 and 5 were subjected to composition analysis using SEM-EDX (manufactured by JSM-7500FA JEOL). Further, for the elements detected by EDX, the weight composition ratio of Ca and Al in the sample was determined based on the detection peak with the set standard sample.
  • the constituent ratio in the sample was determined for the element obtained by removing C and O from the detected elements, and the amount of element contained in the sample was calculated assuming that Ca is present as CaO and Al as Al 2 O 3 .
  • Table 1 shows the detected element types and composition ratios.
  • the samples 1 to 3 were melted with alkali, dissolved in acid to form a sample solution, and the amount of Fe element was analyzed using an ICP emission analyzer (Seiko SPS5000).
  • Table 2 shows the metal element composition ratio of the obtained Fe.
  • the metal element composition ratio of the obtained Fe was almost the same as the theoretical value (described in Tables 3 and 4) of the weight ratio calculated from the amount used for sample preparation.
  • Sample 50 mg was collected, dispersed uniformly in 80 mg glass wool, and filled between quartz with an inner diameter of ⁇ 8 mm. While circulating a nitrogen-based model gas prepared with carbon monoxide at 4,700 ⁇ ppm and oxygen at 160,000 ppm inside the quartz tube at 600 mL / min, the glass wool filled part was heated from room temperature to 800 ° C by external heating, The gas composition obtained from the quartz tube outlet was measured online using an IR analyzer (manufactured by HORIBA), and the CO concentration at 700 ° C. was measured.
  • the CO outlet concentration at 700 ° C was divided by the CO concentration at the quartz tube inlet to obtain the CO reduction rate in the model gas when heated at 700 ° C. Note that the CO reduction rate was similarly measured for the carbon monoxide reducing agent of Samples 2 to 7 and for the calcium carbonate particles (Comparative Sample 1) instead of the carbon monoxide reducing agent.
  • Comparison of sample 5 and samples 1 to 3 shows that the CO reduction ability improves as the amount of iron compound added increases, but the rate of increase in CO reduction ability relative to the increase in the amount of iron compound blended decreases. That is, the carbon monoxide reducing agent of the present invention exhibits a sufficient CO reduction ability by blending a relatively small amount (about 1.0% by weight) of an iron compound as an iron element, but about 5.2% by weight of the iron compound as an iron element. Even when blended in an amount exceeding%, it became clear that the blending amount-dependent CO-reducing ability was not exhibited.
  • the fuel element of the present invention was prepared using the carbon monoxide reducing agent (sample 1) prepared by the above procedure. The procedure is shown below.
  • Sample 1 carbon monoxide reducing agent 40% by weight, 50% carbon powder as fuel source (Carbon black, acetylene, 100% pressed, 99.5%, Wako Pure Chemical Industries, Ltd.), 7% as binder Granulator (made by DOME GRAN LAB DG-L1 Fuji Powder Co., Ltd.) with 3% ethylcellulose (Wako Pure Chemical Industries, Ltd.) and 3 wt% glycerin as an aerosol source
  • the mixture was kneaded and then extruded using an extruder (Kitakura Co., Ltd.) equipped with an extrusion die having a diameter of 4.3 mm, and the resulting molded product was dried in a dryer at 100 ° C. for 2 hours. This was cut to obtain a fuel element having a diameter of 4.3 mm, a length of 10 mm, and a porosity of 21%.
  • FIG. 3 shows a thermogravimetric curve as an analysis result of the fuel element in which the sample 1 is blended with a thermogravimetric measuring apparatus (TG-DTA2000SR Bruker AXS Co., Ltd.). Since calcium aluminate particles are manufactured by sintering, they do not fluctuate due to heating. On the other hand, the fuel source and the binder are burned by heating and do not remain in the residue. Therefore, the proportion of calcium aluminate in the fuel element can be estimated from the residue weight ratio at 800 ° C., for example. From FIG. 3, the residue weight ratio at 800 ° C. of the fuel element containing Sample 1 is 0.37.
  • Atmosphere In air (50 mL / min), Rate of temperature increase: 10 ° C / min, Temperature range: Room temperature to 1000 ° C.
  • Non-Patent Document 1 Determination of Carbon Monoxide in the Mainstream Smoke of Cigarettes by Non-Dispersive Infrared Analysis” CORESTA RECOMMENDS METHOD No. 5
  • Non-Patent Document 2 Determination of Total Particulate Matter and Preparation for Water” and Nicotine Measurements ”CORESTA RECOMMENDS METHOD No. 23
  • TPM production and CO production were measured.
  • Example 1 The fuel element and the non-reactor were prepared in the same manner as in the case of using Sample 1 in Example 1, except that 40% by weight of calcium carbonate particles (Comparative Sample 1) was mixed instead of 40% by weight of Sample 1 of Example 1. Combustion-type smoking articles were prepared. About the obtained non-combustion type smoking article, the amount of TPM production and the amount of CO production were measured in the same manner as in Example 1.
  • the fuel element containing the carbon monoxide reducing agent compounded with the calcium aluminate particles of the present invention has a better carbon monoxide reducing ability than the fuel element prepared by compounding the calcium carbonate particles. Became clear.
  • the CO reduction rate in the model gas when heated at 700 ° C. represents the speed of the CO oxidation reaction, and the value indicates the magnitude of the catalytic function of the carbon monoxide reducing agent.
  • the magnitude relationship of the catalyst function is not affected by the test method as long as the reaction in which the catalyst functions is the same. That is, the CO reduction rate tested using the previous model gas is also reflected in the CO reduction ability of the carbon monoxide reducing agent in the fuel element. That is, since the carbon monoxide reducing agent of the present invention has a higher CO reduction rate in model gas when heated at 700 ° C. than calcium carbonate (Comparative Sample 1), a carbon monoxide reducing agent other than Sample 1 was added. It can be easily predicted that the CO production amount in the fuel element is significantly lower than that of the comparative example.
  • FIG. 4 shows the relationship between the calcium aluminate particle content in the fuel element and the amount of CO produced in the mainstream smoke.
  • the non-combustion type smoking article using the fuel element containing the calcium aluminate particles of the present invention is higher in the mainstream smoke than the non-combustion type smoking article using the fuel element containing no calcium aluminate particles.
  • Carbon monoxide has been reduced, and the amount of TPM produced has not changed much.
  • carbon monoxide in the mainstream smoke could be reduced by increasing the blending ratio of the calcium aluminate particles described in this patent.
  • Table 6 shows the compositions of the fuel elements obtained by blending Sample 1 in Example 1 and the fuel elements of Comparative Examples 2 to 5 and the evaluation results of these moldability.
  • the fuel element containing the calcium aluminate particles of the present invention can be molded regardless of the binder type, but it was confirmed that the moldability is lost when water is used.
  • a fuel element capable of reducing carbon monoxide in mainstream smoke can be obtained without changing the amount of TPM. Further, by using a non-aqueous solvent such as ethanol, the fuel element can be molded using an extruder.

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Abstract

La présente invention se rapporte à un élément combustible d'un article à fumer sans combustion. Ledit élément combustible est caractérisé en ce qu'il contient : un agent réducteur de monoxyde de carbone contenant des particules d'aluminate de calcium représentées par la formule (CaO)m(Al2O3)n (où 1/6 ≤ m/n ≤ 4/1) ; de la poudre de carbone comme source de combustible ; et un liant.
PCT/JP2010/055461 2010-03-26 2010-03-26 Elément combustible d'un article à fumer sans combustion et procédé de fabrication de ce dernier WO2011118043A1 (fr)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013162028A1 (fr) * 2012-04-27 2013-10-31 日本たばこ産業株式会社 Outil d'inhalation de parfum et source de chaleur au carbone
WO2019148517A1 (fr) * 2018-02-02 2019-08-08 深圳市乐瑞达科技有限公司 Pipe intelligente
CN113693261A (zh) * 2021-09-01 2021-11-26 深圳市真味生物科技有限公司 雾化剂及其制备方法和雾化剂在加热不燃烧烟具中的应用

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CN113693261A (zh) * 2021-09-01 2021-11-26 深圳市真味生物科技有限公司 雾化剂及其制备方法和雾化剂在加热不燃烧烟具中的应用
CN113693261B (zh) * 2021-09-01 2023-06-27 深圳市真味生物科技有限公司 雾化剂及其制备方法和雾化剂在加热不燃烧烟具中的应用

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