EP2846651B1 - Produit à base de tabac qui produit un rapport de monoxyde de carbone à goudron plus faible - Google Patents

Produit à base de tabac qui produit un rapport de monoxyde de carbone à goudron plus faible Download PDF

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Publication number
EP2846651B1
EP2846651B1 EP13724689.8A EP13724689A EP2846651B1 EP 2846651 B1 EP2846651 B1 EP 2846651B1 EP 13724689 A EP13724689 A EP 13724689A EP 2846651 B1 EP2846651 B1 EP 2846651B1
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Prior art keywords
tobacco
polymer component
tobacco product
fibrous polymer
weight
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German (de)
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EP2846651A1 (fr
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Lanig Le Bec
Stephane ROUILLARD
Jerome ACCOU
Peter BRIGHENTI
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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
    • A24B3/00—Preparing tobacco in the factory
    • A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products
    • 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
    • A24B15/186—Treatment of tobacco products or tobacco substitutes by coating with a coating composition, encapsulation of tobacco particles
    • 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
    • A24B15/24—Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts
    • 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
    • A24D1/025—Cigars; Cigarettes with special covers the covers having material applied to defined areas, e.g. bands for reducing the ignition propensity

Definitions

  • Smoking articles such as cigarettes, are conventionally made by wrapping a column of tobacco in a wrapping paper.
  • the smoking article usually includes a filter through which the article is smoked. Filters are attached to smoking articles using a tipping paper that is glued to the wrapping paper. When the article is smoked, mainstream smoke is generated that is inhaled through the filter.
  • Mainstream smoke can contain numerous components that provide the smoking article with a particular taste, which encompasses the sensations detected not only by one's taste, but also by one's sense of smell.
  • US 2005/0005947 A1 discloses to incorporate a carbon monoxide reducing agent into the smoking article in order to reduce carbon monoxide levels in the mainstream smoke.
  • the carbon monoxide reducing agent which can be a metal oxide or a metal carbonate, may be incorporated into a wrapper and/or into a column of smokable filler that are used to construct the smoking article.
  • a reconstituted tobacco is made from burley tobacco as well as a second tobacco.
  • the object is to provide a reconstituted tobacco sheet that provides a better tobacco smoke characteristic but minimizes TSNA formation.
  • a bandcast tobacco sheet can be made by mixing a tobacco blend, wood pulp, a flavouring compound, such as menthol, and a binder, such as alginate, guar, xanthum, acacia, pectin, other gums, modified cellulose compounds, and hydrocolloid compounds.
  • EP 0 069 467 A2 discloses a process for employing tobacco fines or dust.
  • the tobacco fines are dispersed in an aqueous liquid and applied to tobacco or reconstituted tobacco.
  • the fines are incorporated into concentrated tobacco extract before the extract is recombined with the reconstituted sheet or into an aqueous carrier.
  • the slurry of fines in extract or other carrier is passed through a homogenizer and then is applied as a coating to the sheet prior to drying and shredding.
  • the present disclosure is generally directed to a treatment for reducing the carbon monoxide and the carbon monoxide to tar ratio of a smoking article. More specifically, above stated technical problem is solved by a tobacco product according to claim 1 and a method according to claim 15.
  • the non-fibrous polymer component (optionally together with a burn retardant) is applied to the tobacco material as a coating.
  • a coating comprises a covering or layer applied to a substrate.
  • a reconstituted tobacco product is produced that may be blended with standard tobacco leaf to produce a smokable rod for use in smoking articles such as cigarettes.
  • the carbon monoxide to tar ratio can be reduced by greater than 5%, such as greater than about 8%, such as even greater than about 10% compared to the same smokable rod with the same amount of reconstituted tobacco not treated in accordance with the disclosure.
  • a tobacco material is combined with a treatment that includes an optional burn retardant, a non-fibrous polymer component, and optionally filler particles.
  • the burn retardant may comprise, for instance, a carbonate or a phosphate salt.
  • the carbonate or phosphate salt for instance, may comprise an alkali metal salt, such as a potassium salt or a sodium salt.
  • the burn retardant may comprise an ammonium salt.
  • the non-fibrous polymer component may comprise a film former.
  • the non-fibrous polymer component may comprise, for instance, guar gum, pectin, polyvinyl alcohol, a cellulose derivative, alginate, starch, a starch derivative, or mixtures thereof.
  • the amount each component is added to the tobacco material can depend upon various factors.
  • the burn retardant is added in an amount from about 0.1% to about 20% by weight, such as in an amount from about 5% to about 15% by weight.
  • the non-fibrous polymer component may be added in an amount from about 0.1% to about 10% by weight, such as from about 0.5% to about 5% by weight, such as from about 0.5% to about 3% by weight. It has been discovered that the combination of a burn retardant with a non-fibrous polymer component can significantly reduce a carbon monoxide to tar ratio when the tobacco material is smoked.
  • the reconstituted tobacco product comprises a tobacco material containing refined tobacco stems and fines.
  • the tobacco material Prior to or during refining of the tobacco material, the tobacco material is combined with an aqueous solution at an elevated temperature. Water soluble components contained in the tobacco material become dissolved within the solution to produce a tobacco soluble fraction. At least a portion of the solubles is then removed from the tobacco material.
  • the tobacco material described above can optionally be recombined with the tobacco soluble fraction.
  • the tobacco soluble fraction may be added to the tobacco material such that the soluble fraction is present in the reconstituted tobacco product in an amount generally from about 5% to about 50% by weight.
  • the treatment of the present disclosure can be added to the tobacco material at various points in the process of making the reconstituted tobacco product.
  • the burn retardant and non-fibrous polymer component are combined together and applied to the tobacco material either after the tobacco material has been combined with the soluble fraction or before the tobacco material has been combined with the soluble fraction.
  • the burn retardant and the non-fibrous polymer component are added separately.
  • the burn retardant may be added to the tobacco material prior to combining the tobacco material with the soluble fraction or may be added to the tobacco material with the soluble fraction.
  • the non-fibrous polymer component may then be added after the soluble fraction has been combined with the tobacco material.
  • the above described reconstituted tobacco product can then be used to produce a smoking article, such as a cigarette.
  • the reconstituted tobacco may be used alone or in combination with tobacco leaf products to produce a smokable rod.
  • the smokable rod may comprise from about 10% by weight to about 70% by weight of the reconstituted tobacco product, such as from about 15% to about 50% by weight of the reconstituted tobacco product.
  • the smokable rod can be surrounded by a wrapping paper and can include a filter at one end.
  • the present disclosure is directed to a reconstituted tobacco product that, when incorporated into a smoking article, can dramatically reduce carbon monoxide gas in the mainstream smoke when compared to other components, such as tar.
  • a tobacco material is combined with a non-fibrous polymer component, and optionally a burn retardant and/or one or more fillers. It has been discovered that coating on a tobacco material a non-fibrous polymer component optionally in combination with a burn retardant can dramatically reduce carbon monoxide levels in relation to tar when the tobacco material is incorporated into a smoking article, such as a cigarette.
  • the non-fibrous polymer component is in the form of a coating on the reconstituted tobacco product.
  • the coating can be present on one side of the reconstituted tobacco sheet or can be present on both sides of the reconstituted tobacco sheet.
  • the coating can be present as a film on the surface of the reconstituted tobacco sheet and can be continuous or discontinuous.
  • the coating contains both the non-fibrous polymer component and the burn retardant.
  • the coating only contains the non-fibrous polymer component.
  • the burn retardant may optionally be incorporated into the reconstituted tobacco product prior to formation of the coating.
  • a tobacco material When producing the reconstituted tobacco product, a tobacco material is contacted with an aqueous solution at elevated temperatures to produce a fraction containing solubles.
  • the tobacco soluble fraction can then be separated from the tobacco material.
  • the tobacco soluble fraction may optionally be recombined with the tobacco material during production of the reconstituted tobacco product.
  • the burn retardant and the non-fibrous polymer component can be combined with the tobacco material during the above described process. In one embodiment, both materials are added independently of recombining the tobacco material with the tobacco soluble fraction.
  • the burn retardant and the non-fibrous polymer component may be combined together and applied to the tobacco material.
  • the burn retardant and the non-fibrous polymer component are applied together or separately after the tobacco material has been recombined with the tobacco soluble fraction.
  • the non-fibrous polymer component forms a coating on the reconstituted tobacco material or sheet as opposed to impregnating the material or sheet.
  • the non-fibrous polymer component can be applied to the reconstituted tobacco sheet after the sheet has been at least partially dried.
  • the reconstituted tobacco sheet can have a moisture content of less than about 50% by weight, such as less than about 30% by weight, such as less than about 20% by weight, such as less than about 15% by weight when the non-fibrous polymer component is applied to the surface of the reconstituted tobacco sheet.
  • the reconstituted tobacco sheet can be completely dry and have a moisture content of less than 10%.
  • a reconstituted tobacco sheet refers to any web of material made from the tobacco fibers and may include or may not include the soluble fraction.
  • the non-fibrous polymer component can be applied to the reconstituted tobacco sheet using any suitable coating equipment.
  • the coating can be formed by printing, or any suitable roll-to-roll method.
  • Roll-to-roll coating methods include air knife coating, curtain coating, flexographic coating, knife over roll coating, Meyer Bar coating, reverse roll coating, and the like.
  • a coating may be formed on a first side of the reconstituted tobacco sheet and dried and then subsequently applied to a second and opposite side of the reconstituted tobacco sheet and dried.
  • both sides of the reconstituted tobacco sheet may be simultaneously coated.
  • only a single side of the reconstituted tobacco sheet may be coated with the non-fibrous polymer component.
  • a burn retardant may optionally be incorporated into the product for further reducing carbon monoxide levels.
  • the burn retardant can be incorporated into the reconstituted tobacco product prior to formation of the coating made from the non-fibrous polymer component.
  • the burn retardant may be combined with the non-fibrous polymer component and incorporated into the coating that is formed on the reconstituted tobacco.
  • the burn retardant generally comprises a salt, such as a salt of a carbonate or a phosphate.
  • the non-fibrous polymer component may comprise a film former.
  • the non-fibrous polymer component comprises starch or a starch derivative.
  • a smoking article or cigarette when combined with a tobacco blend to produce a smokable rod such that the reconstituted tobacco product of the present disclosure is contained in the rod in an amount less than about 70% by weight, such as in an amount less than 60% by weight, such as in an amount less than 50% by weight, such as even in an amount less than about 40% by weight, a smoking article or cigarette can have a carbon monoxide to tar ratio that is at least about 5%, such as at least about 10%, such as even about 15% less in comparison to a smoking article or cigarette containing a conventional reconstituted tobacco product.
  • the above carbon monoxide to tar ratio reduction can be achieved in a standard cigarette having a tobacco weight of 900 milligrams and a hardness of 1.2 mm.
  • the cigarette can also produce a puff count of from about 7.5 to about 8.5, such as from about 8.0 to about 8.5 (as measured on a standard smoking machine such as a Borgwaldt RM20 kit) especially when using an American blend tobacco product.
  • the reconstituted tobacco product of the present disclosure can be combined with any suitable tobacco blend to produce a smoking article such as a cigarette.
  • the tobacco blend for instance, may comprise an American blend, an Oriental blend, a Virginia blend, or the like.
  • a tobacco furnish containing tobacco stems e.g., flue-cured stems
  • fines and/or other tobacco by-products from tobacco manufacturing processes is initially mixed with a solvent (e.g., water and/or other compounds).
  • a solvent e.g., water and/or other compounds.
  • Various solvents that are water-miscible such as alcohols (e.g., ethanol), can be combined with water to form an aqueous solvent.
  • the water content of the aqueous solvent can, in some instances, be greater than 50 wt.% of the solvent, and particularly greater than 90 wt.% of the solvent.
  • Deionized water distilled water or tap water may be employed.
  • the amount of the solvent in the suspension can vary widely, but is generally added in an amount from about 50 wt.% to about 99 wt.%, in some embodiments from about 60 wt.% to about 95 wt.%, and in some embodiments, from about 75 wt.% to about 90 wt.% of the suspension.
  • the amount of solvent can vary with the nature of the solvent, the temperature at which the extraction is to be carried out, and the type of tobacco furnish.
  • a soluable fraction of the furnish mixture may be optionally separated from the mixture.
  • the aqueous solvent/tobacco furnish mixture can be agitated by stirring, shaking or otherwise mixing the mixture in order to increase the rate of solubilization. Typically, the process is carried out for about one-half hour to about 6 hours. Process temperatures may range from about 10°C to about 100°C.
  • the soluble fraction can be concentrated.
  • the soluble fraction can be concentrated using any known type of concentrator, such as a vacuum evaporator. In one embodiment of the present disclosure, the soluble fraction can be highly concentrated.
  • the resulting blended soluble fraction or tobacco soluble fraction may be used alone as a tobacco product (e.g., flavoring material) or it may be subsequently combined with other materials to form the tobacco product.
  • the soluble fraction may be recombined with an insoluble fraction (e.g., sheet, tobacco blend, insoluble residue, etc.) using various application methods, such as spraying, using sizing rollers, saturating, impregnating (such as by using a size press), etc.
  • the insoluble fraction may be subjected to one or more mechanical refiners to produce a fibrous pulp.
  • suitable refiners can include disc refiners, conical refiners, etc.
  • the tobacco material may be refined such that the tobacco material has a freeness index of at least about 30° SR, such as from about 30° SR to about 60° SR.
  • the pulp from the refiner can then be transferred to a papermaking station that includes a forming apparatus, which may include, for example, a forming wire, gravity drain, suction drain, felt press, Yankee dryer, drum dryers, etc.
  • a forming apparatus which may include, for example, a forming wire, gravity drain, suction drain, felt press, Yankee dryer, drum dryers, etc.
  • the pulp is laid onto a wire belt forming a sheet-like shape and excess water is removed by the gravity drain and suction drain and presses.
  • the resulting tobacco product is generally known as "reconstituted tobacco.”
  • Reconstituted tobacco can generally be formed in a variety of ways. For instance, in one embodiment, band casting can be utilized to form the reconstituted tobacco. Band casting typically employs a slurry of finely divided tobacco parts and a binder that is coated onto a steel band and then dried. After drying, the sheet is blended with natural tobacco strips or shredded and used in various tobacco products, including as a cigarette filler. Some examples of process for producing reconstituted tobacco are described in U.S. Patent Nos. 3,353,541 ; 3,420,241 ; 3,386,449 ; 3,760,815 ; and 4,674,519 . Reconstituted tobacco can also be formed by a papermaking process. Some examples of processes for forming reconstituted tobacco according to this process are described in U.S. Pat.
  • the formation of reconstituted tobacco using papermaking techniques can involve the steps of mixing tobacco with water, separating the soluble fraction therefrom, concentrating the soluble fraction, refining the tobacco, forming a web, reapplying the concentrated soluble fraction, drying, and threshing.
  • a burn retardant and a non-fibrous polymer component are combined with the tobacco material during production of the reconstituted tobacco product.
  • the burn retardant and the non-fibrous polymer component may be first combined together and applied to the tobacco material or may be applied to the tobacco material independently of each other.
  • each of the additives may be combined with the soluble fraction and then applied to the tobacco material, preferably both additives are either applied before or after the tobacco material is recombined with the soluble fraction.
  • the non-fibrous polymer component forms a coating on the tobacco material after the soluble fraction has been applied to the tobacco material (if it is desired to combine the soluble fraction with the tobacco material).
  • the burn retardant can be applied to the tobacco material by itself or it can be combined with the non-fibrous polymer component and incorporated into the coating.
  • the burn retardant may generally comprise any suitable burn retardant salt.
  • the burn retardant may comprise a carbonate or a phosphate.
  • the burn retardant may comprise an alkali metal salt of a phosphate or a carbonate or may comprise an ammonium salt of a phosphate.
  • burn retardants include sodium carbonate, potassium carbonate, sodium dihydrogen phosphate, potassium dihydrogen phosphate, diammonium phosphate, and mixtures thereof.
  • the amount of burn retardant combined with the tobacco material can vary depending upon the particular application.
  • the burn retardant is applied to the tobacco material in an amount of from about 0.1% to about 20% by weight.
  • the burn retardant is added in amounts greater than about 5% by weight, such as in amounts greater than about 7% by weight, such as in amounts greater than about 10% by weight.
  • the burn retardant is added in an amount less than about 15% by weight, such as in an amount less than about 12% by weight, such as in an amount less than 10% by weight.
  • the non-fibrous polymer component may comprise a film former, which may also be referred to as a film-forming material.
  • the non-fibrous polymer component for instance, may comprise guar gum, pectin, polyvinyl alcohol, a cellulose derivative, alginate, a starch, a starch derivative, or mixtures thereof.
  • the amount of non-fibrous polymer component added to the tobacco material can depend upon various factors including the end use application and the particular burn retardant being used. In general, the non-fibrous polymer component is added in an amount from about 0.1% to about 10% by weight.
  • the non-fibrous polymer component can be added in an amount less than about 8% by weight, such as in an amount less than about 5% by weight, such as in an amount less than about 4% by weight.
  • the non-fibrous polymer component is generally present in an amount greater than about 0.5% by weight, such as in an amount greater than about 1 % by weight.
  • the non-fibrous polymer component and the burn retardant may be added at any suitable step during the process of making the reconstituted tobacco
  • the non-fibrous polymer component is added after the tobacco material has been formed into a sheet.
  • the non-fibrous polymer component can be added and coated onto the sheet alone or in combination with the burn retardant.
  • any suitable device may be used in order to deposit the material onto the sheet.
  • a printer, or any suitable apparatus may be used.
  • the coating can form a film on the surface of the reconstituted tobacco sheet.
  • the coating can be present on only a single side of the reconstituted tobacco sheet or it can be applied to both sides of the reconstituted tobacco sheet.
  • the burn retardant as described above may be combined with the non-fibrous polymer component and applied to the tobacco material or may be applied independently. When applied independently, the burn retardant may be added prior to recombining the tobacco material with the soluble fraction or after combining the tobacco material with the soluble fraction. Although the burn retardant may be combined with the soluble fraction and applied to the tobacco material, there is some possibility that the burn retardant may unfavorably react with the soluble fraction. Thus, it is preferred that the burn retardant be added independently of the soluble fraction.
  • filler particles may also be added to the tobacco material with the non-fibrous polymer component.
  • the filler particles may comprise, for instance, clay particles, calcium carbonate particles, titanium oxide particles, magnesium oxide particles, mica, kaolin clay, or mixtures thereof. When present, the filler particles are generally added in an amount less than about 5% by weight, such as in an amount less than about 3% by weight.
  • the fibrous sheet material can, in some embodiments, then be dried using, for example, a tunnel dryer, to provide a sheet having a typical moisture content of less than 20% by weight, and particularly from about 9% to about 14% by weight. Subsequently, the sheet can be cut to a desired size and/or shape and dried to the desired final moisture content.
  • the term "tobacco product” is meant to encompass smoking articles (e.g., cigarettes, cigars, fine cut smoking articles, pipes, etc.). For illustrative purposes only, one such smoking article is shown in Figs. 1-2 .
  • the smoking article 10 includes a smokable column 12.
  • the smoking article 10 may also include a wrapper 14 that defines an outer circumferential surface 16 when wrapped around the smokable column 12.
  • the article 10 may also include a filter 26 that may be enclosed by a tipping paper.
  • the wrapper may be made from cellulosic fibers and a filler, as is well known in the art.
  • the smokable column 12 can be made entirely from the reconstituted tobacco product of the present disclosure or may comprise a combination of the reconstituted tobacco product with other tobacco material.
  • the reconstituted tobacco product may be combined with a standard tobacco blend made from finely cut tobacco leaves.
  • the tobacco blend may primarily comprise flue-cured bright leaf, burley tobacco and/or oriental tobacco.
  • the reconstituted tobacco product may be contained in the smokable column in an amount from about 10% to about 70% by weight, such as in an amount from about 15% to about 50% by weight.
  • the presence of the novel reconstituted tobacco product can dramatically improve and reduce the carbon monoxide to tar ratio.
  • a mixture of threshed tobacco stems and tobacco scraps was initially mixed with an aqueous solution. This was followed by an extraction step in an hydraulic press to separate the aqueous portion from the tobacco fiber portion. The recovered tobacco fiber portion was again dispersed in an aqueous solution. After an additional extraction (by pressing), wood pulp was added to the tobacco fibrous residue. These samples were then refined in a beater. The resultant stock was used to make sheets. An aqueous portion was concentrated in an evaporator and then impregnated into the sheet. The impregnated sheets were then dried.
  • Samples 1-8 the reconstituted tobacco was produced on a commercial production machine. The samples, except for sample No. 1, were then coated in the laboratory using a lab coater with a non-fibrous polymer component alone or in combination with one or more burn retardants. In Sample Nos. 2-8, the non-fibrous polymer component and the burn retardants were combined together and applied to the reconstituted tobacco sheet after the soluble fraction was applied to the sheet. The following summarizes Sample Nos. 1-8.
  • Sample Nos. 9-14 the reconstituted tobacco product was produced on a laboratory pilot line.
  • one or more burn retardants were added to the soluble fraction and applied to the sheet.
  • the non-fibrous polymer component and optionally calcium carbonate were then applied as a coating after the soluble fraction had been applied to the sheet.
  • a summary of Sample Nos. 9-14 is shown below. TABLE 2 9 10 11 12 13 14 K 2 CO 3 (wt%) - 7.9 7.9 - - 6.3 K 3 PO 4 (wt%) - - - 7.3 7.3 1.7 Coating Starch (wt%) - 3.9 2.4 3.9 2.4 3.9 CaCO 3 wt%) - - 7.2 - 7.2 -
  • the sheets were shredded and formed into cigarettes containing 30% by weight of the shredded reconstituted tobacco.
  • a commercial tobacco blend was used in this example.
  • the hand-made cigarettes were made using filtered cigarette tubes with the same hardness and tobacco weight. The hardness was 1.5 millimeters. The tobacco weight was 850 milligrams. The cigarettes were smoked on a Borgwaldt RM20 kit smoking machine.
  • reconstituted tobacco made in accordance with the present disclosure can significantly reduce carbon monoxide and CO/tar ratio.
  • introducing the burn retardant with the solubles is generally not as effective as adding the burn retardant after the solubles have been incorporated into the sheet by coating.
  • Example 1 The procedure of Example 1 was repeated. In particular, Control Sample No. 1 and Sample No. 2 were produced. Sample No. 2 included reconstituted tobacco coated with a combination of starch and potassium carbonate. The starch was present in the reconstituted tobacco in an amount of 1.6% by weight, while the potassium carbonate was present in the tobacco material in an amount of 4.8% by weight.
  • Cigarettes were made as described above containing 30% by weight of the reconstituted tobacco or containing 15% by weight of the reconstituted tobacco. The following results were obtained when the reconstituted tobacco product was contained in the cigarette in an amount of 30% by weight.
  • Sample 2 8.1 10.5 mg/cig 0.78 mg/cig 10.4 mg/cig 0.99 Difference 12% -14% -10% -24% -11.2%
  • the presence of the reconstituted tobacco product of the present disclosure produces higher puff numbers, lower tar yields and nicotine yields.
  • the reconstituted tobacco product also significantly lowers carbon monoxide and the carbon monoxide to tar ratio.

Claims (17)

  1. Produit de tabac à mélanger avec un mélange de tabac pour former une tige fumable, ledit produit de tabac comprenant
    un matériau de tabac reconstitué comprenant des tiges et des fines de tabac ; et
    un composant polymère non fibreux formant un revêtement sur le matériau de tabac reconstitué.
  2. Produit de tabac selon la revendication 1, dans lequel le matériau de tabac reconstitué contient en outre un retardateur de combustion.
  3. Produit de tabac selon l'une des revendications précédentes, dans lequel un retardateur de combustion est contenu dans le produit de tabac et comprend un carbonate, un phosphate ou des mélanges de ceux-ci, tels qu'un sel de métal alcalin ou un sel d'ammonium d'un carbonate ou d'un phosphate.
  4. Produit de tabac selon la revendication 3, dans lequel le retardateur de combustion est présent dans une proportion d'environ 0,1 % à environ 20 % en poids, et le composant polymère non fibreux est présent dans une proportion d'environ 0,1 % à environ 10 % en poids.
  5. Produit de tabac selon la revendication 3 ou 4, dans lequel le retardateur de combustion est présent dans une proportion d'environ 5 % à environ 10 % en poids, et le composant polymère non fibreux est présent dans une proportion d'environ 0,5 % à environ 5 % en poids.
  6. Produit de tabac selon l'une des revendications 3 à 5, dans lequel le composant polymère non fibreux et le retardateur de combustion sont combinés ensemble et appliqués au matériau de tabac reconstitué.
  7. Produit de tabac selon l'une des revendications précédentes, dans lequel le composant polymère non fibreux comprend de la gomme de guar, de la pectine, de l'alcool polyvinylique, un dérivé de cellulose, de l'alginate, de l'amidon, un dérivé d'amidon ou des mélanges de ceux-ci.
  8. Produit de tabac selon l'une des revendications précédentes, dans lequel le composant polymère non fibreux comprend de l'amidon ou un dérivé d'amidon.
  9. Produit de tabac selon l'une des revendications précédentes, dans lequel un retardateur de combustion a été appliqué au matériau de tabac reconstitué avant la formation du revêtement.
  10. Produit de tabac selon l'une des revendications précédentes, dans lequel le matériau de tabac reconstitué comprend une feuille de tabac reconstitué ayant une première face et une deuxième face et dans lequel la feuille de tabac reconstitué n'est revêtue que sur une face par le composant polymère non fibreux.
  11. Produit de tabac selon l'une des revendications 1 à 9, dans lequel le matériau de tabac reconstitué comprend une feuille de tabac reconstitué ayant une première face et une deuxième face et dans lequel la feuille de tabac a été revêtue sur la première face et la deuxième face avec le composant polymère non fibreux.
  12. Produit de tabac selon l'une des revendications précédentes, dans lequel le revêtement comprend un film sur la surface du matériau de tabac reconstitué.
  13. Produit de tabac selon l'une des revendications précédentes, dans lequel une fraction soluble dans le tabac est combinée avec les tiges et les fines de tabac.
  14. Article à fumer comprenant une tige fumable contenant d'environ 10 % en poids à environ 70 % en poids, par exemple d'environ 15 % en poids à environ 50 % en poids du produit de tabac selon l'une des revendications précédentes, combiné à un mélange de tabac, la tige fumable étant entourée d'un papier d'emballage.
  15. Procédé pour former une tige fumable destinée à être utilisée dans un article à fumer, le procédé comprenant les étapes suivantes :
    combiner du tabac avec un solvant pour former un composant soluble et un composant insoluble ;
    éliminer au moins une partie du composant soluble ;
    raffiner le tabac ;
    recombiner le tabac raffiné avec le composant soluble ;
    avant ou après la recombinaison du composant soluble avec le tabac raffiné, ajouter un composant polymère non fibreux formant un revêtement sur le tabac raffiné et un retardateur de combustion pour obtenir un produit de tabac ; et
    mélanger le produit de tabac avec un mélange de tabac pour former une tige fumable.
  16. Procédé selon la revendication 15, dans lequel le retardateur de combustion et le composant polymère non fibreux sont combinés ensemble puis ajoutés au tabac raffiné sous forme de revêtement.
  17. Procédé pour fabriquer un article à fumer entourant d'un papier d'emballage la tige fumable produite par le procédé selon la revendication 15 ou 16.
EP13724689.8A 2012-05-09 2013-05-09 Produit à base de tabac qui produit un rapport de monoxyde de carbone à goudron plus faible Active EP2846651B1 (fr)

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US201261644775P 2012-05-09 2012-05-09
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FR3041507B1 (fr) * 2015-09-25 2019-08-30 Ltr Industries Tabac reconstitue pour les dispositifs chauffant le tabac sans le bruler
JP2022511601A (ja) * 2018-10-05 2022-02-01 エスダブリュエム・ルクセンブルク 白くて明るい外観を有するたばこ用の包装材料
WO2020167803A1 (fr) * 2019-02-11 2020-08-20 Schweitzer-Mauduit International, Inc. Matériau à base de cacao reconstitué pour générer des aérosols
CN110679989A (zh) * 2019-09-09 2020-01-14 河南卷烟工业烟草薄片有限公司 一种提高再造烟叶基片强度的方法
CA3208106A1 (fr) * 2021-02-22 2022-08-25 Bruno STEFANI Enveloppe pour des produits de distribution d'aerosol et produits de distribution d'aerosol fabriques a partir de celle-ci

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CN104486955B (zh) 2017-06-13
WO2013170028A1 (fr) 2013-11-14
CN104486955A (zh) 2015-04-01
EP2846651A1 (fr) 2015-03-18

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