CN105407749A - Smoking article with single radially-separated heat-conducting element - Google Patents
Smoking article with single radially-separated heat-conducting element Download PDFInfo
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- CN105407749A CN105407749A CN201480040903.0A CN201480040903A CN105407749A CN 105407749 A CN105407749 A CN 105407749A CN 201480040903 A CN201480040903 A CN 201480040903A CN 105407749 A CN105407749 A CN 105407749A
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- heat source
- aerosol
- combustible heat
- smoking product
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- HPGPEWYJWRWDTP-UHFFFAOYSA-N lithium peroxide Chemical compound [Li+].[Li+].[O-][O-] HPGPEWYJWRWDTP-UHFFFAOYSA-N 0.000 description 1
- LBSANEJBGMCTBH-UHFFFAOYSA-N manganate Chemical compound [O-][Mn]([O-])(=O)=O LBSANEJBGMCTBH-UHFFFAOYSA-N 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 150000002828 nitro derivatives Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- KHIWWQKSHDUIBK-UHFFFAOYSA-N periodic acid Chemical compound OI(=O)(=O)=O KHIWWQKSHDUIBK-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000002459 porosimetry Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229960003975 potassium Drugs 0.000 description 1
- 235000019396 potassium bromate Nutrition 0.000 description 1
- 229940094037 potassium bromate Drugs 0.000 description 1
- VKJKEPKFPUWCAS-UHFFFAOYSA-M potassium chlorate Chemical compound [K+].[O-]Cl(=O)=O VKJKEPKFPUWCAS-UHFFFAOYSA-M 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 239000001508 potassium citrate Substances 0.000 description 1
- 229960002635 potassium citrate Drugs 0.000 description 1
- QEEAPRPFLLJWCF-UHFFFAOYSA-K potassium citrate (anhydrous) Chemical compound [K+].[K+].[K+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O QEEAPRPFLLJWCF-UHFFFAOYSA-K 0.000 description 1
- 235000011082 potassium citrates Nutrition 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- XXQBEVHPUKOQEO-UHFFFAOYSA-N potassium peroxide Inorganic materials [K+].[K+].[O-][O-] XXQBEVHPUKOQEO-UHFFFAOYSA-N 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- CLSKHAYBTFRDOV-UHFFFAOYSA-N potassium;molecular oxygen Chemical compound [K+].O=O CLSKHAYBTFRDOV-UHFFFAOYSA-N 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001007 puffing effect Effects 0.000 description 1
- 238000001812 pycnometry Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 235000019615 sensations Nutrition 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- BAZAXWOYCMUHIX-UHFFFAOYSA-M sodium perchlorate Chemical compound [Na+].[O-]Cl(=O)(=O)=O BAZAXWOYCMUHIX-UHFFFAOYSA-M 0.000 description 1
- 229910001488 sodium perchlorate Inorganic materials 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- ZBNMBCAMIKHDAA-UHFFFAOYSA-N sodium superoxide Chemical compound [Na+].O=O ZBNMBCAMIKHDAA-UHFFFAOYSA-N 0.000 description 1
- 229910000144 sodium(I) superoxide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- UHCGLDSRFKGERO-UHFFFAOYSA-N strontium peroxide Chemical compound [Sr+2].[O-][O-] UHCGLDSRFKGERO-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002889 sympathetic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 229960002622 triacetin Drugs 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- WUUHFRRPHJEEKV-UHFFFAOYSA-N tripotassium borate Chemical compound [K+].[K+].[K+].[O-]B([O-])[O-] WUUHFRRPHJEEKV-UHFFFAOYSA-N 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 229940105296 zinc peroxide Drugs 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 229910000166 zirconium phosphate Inorganic materials 0.000 description 1
- LEHFSLREWWMLPU-UHFFFAOYSA-B zirconium(4+);tetraphosphate Chemical compound [Zr+4].[Zr+4].[Zr+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LEHFSLREWWMLPU-UHFFFAOYSA-B 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
Abstract
A smoking article (2, 42) comprises: a combustible heat source (4) having opposed front (6) and rear (8) faces; an aerosol-forming substrate (10) downstream of the rear face (8) of the combustible heat source (4); and a single heat-conducting element (36) overlying a rear portion of the combustible heat source (4) and at least a front portion of the aerosol-forming substrate (10). The single heat-conducting element (36) comprises one or more layers of heat conductive material and the one or more layers of heat conductive material are radially separated from the combustible heat source (4) and the aerosol-forming substrate (10). The combustible heat source (4) is either a blind combustible heat source or the combustible heat source (4) is a non-blind combustible heat source and the smoking article (42) further comprises a non-combustible substantially air impermeable barrier (46) between the non-blind combustible heat source and one or more airflow channels (44) extending from the front face (6) to the rear face (8) of the non-blind combustible heat source. The single heat-conducting element comprises an outer layer of heat conductive material that is visible on the exterior of the smoking article.
Description
Technical field
The present invention relates to the smoking product comprising combustible heat source, aerosol formation matrix and single heat-conduction component, described combustible heat source has relative front and back, described aerosol forms the Later downstream of matrix in combustible heat source, and described single heat-conduction component overlays on the rear portion of combustible heat source and at least front portion of aerosol formation matrix.
Background technology
This area proposed tobacco wherein by heating on-fuel multiple smoking product.The object of this ' heating ' smoking product is the harmful smoke components of the known type that the burning of the tobacco be reduced by conventional cigarette and thermal degradation produce.In a kind of smoking product of heating of known type, produce aerosol by the heat trnasfer forming matrix from combustible heat source to aerosol.Aerosol forms matrix and can be positioned at around combustible heat source, combustible heat source or combustible heat source downstream.During smoking, volatile compound forms matrix release by the heat trnasfer from combustible heat source from aerosol and is entrained in and is drawn through the air of smoking product.Along with the cooling of discharged compound, compound condensation is to form the aerosol sucked by user.Usually, make air be inhaled in the smoking product of this known heating by the one or more gas channels arranged through combustible heat source, realize by forced convertion and conduction the heat trnasfer forming matrix from combustible heat source to aerosol.
Such as, WO-A2-2009/022232 discloses smoking product, it comprises combustible heat source, the aerosol in combustible heat source downstream forms matrix and around and directly the rear portion of contact combustible heat source and aerosol form the heat-conduction component of the adjacent front portion of matrix.
The heat generated between combustible heat source main combustion period is passed to aerosol and forms matrix by the heat-conduction component in the smoking product of WO-A2-2009/022232 by conducting.Tobacco is heated instead of in the smoking product that burns, aerosol forms the temperature realized in matrix and has remarkable impact to the ability generating sensuously acceptable aerosol wherein.The temperature that aerosol is formed matrix by usual expectation is maintained within a certain range, to optimize the aerosol delivery to user.In some cases, from around and the temperature that the radiation heat loss that directly contact combustible heat source and aerosol form the outer surface of the heat-conduction component of matrix can cause combustible heat source and aerosol to form matrix drops to outside required scope, affect the performance of smoking product thus.If the temperature that aerosol forms matrix is fallen too low, then such as it adversely can affect uniformity and the amount of the aerosol being delivered to user.
EP-A1-2550879 discloses the smoking product comprising multilayer pipe component 9, carbon heat sources 4 and smog Flavor release source 8 and holder part 14, described multilayer pipe component 9 comprises at least one metal level and a ply of paper, described carbon heat sources 4 is arranged in the end of pipe component 9 with the inner surface of at least part of directly close contact pipe component 9, described smog Flavor release source 8 is arranged in adjacent carbon heat sources 4 in pipe component 9, and described holder part 14 makes carbon heat sources 4 keep directly contacting described end and supports carbon heat sources 4 for described end.
In the embodiment shown in fig. 1, non-combustible packaging material 9 are formed by making three layers of composite sheet 16 be bonded to the outside of two-layer composite sheet 15.From the part formation holder part 14 of three layers of composite sheet 16 that two-layer composite sheet 15 is given prominence to.As shown in Figure 2, two-layer composite sheet 15 comprises inner aluminium lamination 17 and outside ply of paper 18, and three layers of composite sheet 16 comprise inner ply of paper 18, central aluminium lamination 17 and outside ply of paper 18.The innermost layer of non-combustible packing material 9 is aluminium laminations 17 of two-layer composite sheet 15, and the outermost layer of non-combustible packing material 8 is outside ply of papers 18 of three layers of composite sheet 16.
In the smoking product of some heating, except via except the conductive heat transfer of heat-conduction component, additionally provide the forced convertion transmission hot in nature forming matrix from combustible heat source to aerosol.Such as, in the smoking product of some known heating, provide one or more gas channel along combustible heat source, so that the forced convertion heating providing aerosol to form matrix.In this type of smoking product, aerosol is formed matrix and is heated by the combination of conduction heating and forced convertion heating.
Such as, WO-A2-2009/022232 discloses at least one longitudinal air flow path provided through combustible heat source, the forced convertion heating forming the controlled quentity controlled variable of matrix to provide aerosol.
In the smoking product of known heating, the heat trnasfer wherein forming matrix from combustible heat source to aerosol occurs mainly through forced convertion, and the temperature that this forced convertion heat trnasfer and aerosol are thus formed in matrix can be aspirated (puffing) action according to the single port of user and sizable change occur.Therefore, the main flow aerosol generated by the smoking product of this known heating form and organoleptic attribute thus can be adversely super-sensitive for the single port aspiration phases of user.
Especially, in the smoking product of known heating comprising the one or more gas channels along combustible heat source, during being aspirated by user's single port, be drawn through the air of one or more gas channel and contact with direct between combustible heat source and cause exciting of the burning of combustible heat source.Therefore strong single port aspiration phases can cause sufficiently high forced convertion heat trnasfer, to cause aerosol to form uprushing of the temperature of matrix, thus adversely causes aerosol to form the pyrolysis of matrix and even potential partial combustion.As used herein, term ' is uprushed ' and is formed the of short duration rising of the temperature of matrix for describing aerosol.Therefore, the specific single port aspiration phases that the less desirable pyrolysis in the main flow aerosol produced at the smoking product of this known heating and the level of combustion by-products may also be taked according to user and adversely marked change.
In the smoking product of other heating, do not provide the gas channel through combustible heat source.In the smoking product of this type of heating, the heating that aerosol forms matrix realizes mainly through the conductive heat transfer via heat-conduction component.Aerosol formation matrix is carried out mainly through conductive heat transfer in the smoking product of the heating of heating wherein, and the temperature that aerosol forms matrix can become more responsive to the change of the temperature of heat-conduction component.This means to be formed with wherein aerosol matrix also by compared with the forced convertion smoking product transmitting the heating of heating hot in nature, due to this type of heating smoking product in radiation heat loss heat-conduction component any cooling all can on aerosol generate have larger impact, described heat-conduction component around and directly contact combustible heat source and aerosol formation matrix.
To expect to provide the smoking product of the heating comprising combustible heat source and aerosol formation matrix, described combustible heat source has relative front and back, and described aerosol forms the Later downstream of matrix in combustible heat source, and it provides the smoking performance of improvement.Especially, the smoking product that heating is provided will be expected, wherein there is the control improvement that aerosol forms the heating of matrix, to help temperature aerosol being formed matrix to maintain during smoking in temperature required scope.
Summary of the invention
Following smoking product is comprised: the combustible heat source with relative front and back according to the invention provides; Matrix is formed at the aerosol of the Later downstream of combustible heat source; And the single heat-conduction component overlayed on the rear portion of combustible heat source and at least front portion of aerosol formation matrix.Single heat-conduction component comprises one or more heat conducting material layer, and one or more heat conducting material layer and combustible heat source and aerosol are formed, and matrix is radial separates.Combustible heat source is closed combustible heat source, or combustible heat source does not close combustible heat source, and smoking product is also included in the non-flammable air-locked block piece substantially do not closed between combustible heat source and one or more gas channel, after extending to before the never closed combustible heat source of described one or more gas channel.Single heat-conduction component comprises the skin of heat conducting material, and it is visible on the outside of smoking product.
As used herein, term ' far ', ' upstream ' and ' front ', and the relative position in direction that ' closely ', ' downstream ' and ' afterwards ' are aspirated about user for each several part of each parts or parts that describe smoking product between the operating period of smoking product on smoking product.Smoking product according to the present invention comprises near-end, in use, leaves smoking product for delivery to user by this near-end aerosol.The near-end of smoking product also can be called as mouth end.In use, user aspirates on the near-end of smoking product, to suck the aerosol generated by smoking product.
Combustible heat source is positioned at far-end or close to far-end.Mouth end is at distal downstream.Near-end also can be called as the downstream end of smoking product, and far-end also can be called as the upstream end thereof of smoking product.Based on the relative position between its near-end at smoking product and far-end, can be described as in upstream each other or downstream according to each parts of smoking product of the present invention or each several part of parts.
At the upstream end thereof place of combustible heat source before combustible heat source.The upstream end thereof of combustible heat source is the end of combustible heat source farthest away from the near-end of smoking product.At the downstream end place of combustible heat source after combustible heat source.The downstream end of combustible heat source is the end of combustible heat source closest to the near-end of smoking product.
As used herein, the full-size of term ' length ' on the longitudinal direction being described in smoking product.That is, the full-size on the direction between the near-end and relative far-end of smoking product.
As used herein, term ' aerosol formation matrix ' release can form the matrix of the volatile compound of aerosol when heating for describing.The aerosol forming matrix generation from the aerosol of smoking product according to the present invention can be visible or sightless, and steam can be comprised (such as, be in the thin particulate matter of gaseous state, it is at room temperature liquid or solid usually) and the drop of gas and condensed steam.
As used herein, one or more heat conducting material layers that term " radial direction is separated " is used to indicate single heat-conduction component form matrix with combustible heat source and aerosol in radial directions and separate between the two, make to be formed between matrix in one or more heat conducting material layer of single heat-conduction component and combustible heat source or aerosol to there is not direct contact.
As used herein, term ' radial direction ' is for describing the direction vertical with the direction between the near-end of smoking product and opposite proximal end.
As used herein, term ' directly contacts ' and without the need to the contact between the two elements of any intermediate materials, the surface of parts is touched one another for meaning.
Aerosol forms the form that matrix can take profiled member or the section limited by packing material, and described profiled member or section comprise and release can form the material of the volatile compound of aerosol when heating.When aerosol formation matrix takes the form of this type of profiled member or section, the whole profiled member or the section that comprise packing material are considered as aerosol formation matrix.
In this type of embodiment, the packing material radial direction that one or more heat conducting material layer and the aerosol of single heat-conduction component form matrix is separated.
Smoking product according to the present invention comprises the single heat-conduction component at least front portion of rear portion and the aerosol formation matrix overlaying on combustible heat source.Single heat-conduction component comprises one or more heat conducting material layer, and one or more heat conducting material layer and combustible heat source and aerosol are formed, and matrix is radial separates.
Smoking product according to the present invention not included under single heat-conduction component or on any other heat-conduction component.Especially, do not comprise around according to smoking product of the present invention and directly contact one of combustible heat source and aerosol formation matrix or both any heat-conduction components.
Closed combustible heat source can be comprised according to smoking product of the present invention or not close combustible heat source.
As used herein, term ' closed ' is for describing the combustible heat source wherein not existing and extend to any gas channel below before combustible heat source.
In use, the smoking product according to the present invention comprising closed combustible heat source does not close combustible heat source through edge any gas channel for the air sucked by user is drawn through.Comprise closed combustible heat source according in smoking product of the present invention, aerosol forms the heating of matrix and occurs mainly through conduction, and is minimized by the heating that the aerosol of forced convertion forms matrix or is alleviated.
As used herein, the passage that term ' gas channel ' extends for the length described along combustible heat source, air can be used for being sucked by user by by the suction of this channel downstream.
As used herein, term ' is not closed ' for describing the combustible heat source wherein existing and extend to one or more gas channels below before combustible heat source.
In use, the smoking product according to the present invention comprising and do not close combustible heat source passes the closed combustible heat source in edge one or more gas channels for the air sucked by user are drawn through.Comprise do not close combustible heat source according in smoking product of the present invention, what aerosol formed matrix is heated by conduction and forced convertion and occurring.
What comprise closed combustible heat source is also included according to smoking product of the present invention the non-flammable air-locked block piece substantially do not closed between combustible heat source and one or more gas channel, after extending to before the never closed combustible heat source of described one or more gas channel.
As used herein, term ' non-combustible ' is for being described in the burning of not closing combustible heat source and lighting period by not closing non-flammable block piece substantially at temperature that combustible heat source realizes.
When smoking product according to the present invention comprise do not close combustible heat source time, advantageously substantially stoped by the shortage of any gas channel of closed combustible heat source or prevent the exciting of burning of closed combustible heat source during being aspirated by user's single port.
Similarly, when smoking product according to the present invention comprise do not close combustible heat source time, comprise non-flammable substantially air-locked block piece between combustible heat source and one or more gas channel (its never close combustible heat source extend to after) above and advantageously substantially stop or prevent from not closing combustible heat source exciting by the burning during the suction of user's single port not closing.
Stop or prevent combustible heat source by user's single port aspirate during burning excite advantageously substantially stop or prevent by user's single port aspirate during form uprushing of the temperature of matrix according to the aerosol of smoking product of the present invention.
By stoping or preventing exciting of the burning of combustible heat source, and to stop thus or the excessive temperature that prevents aerosol from forming matrix raises, can advantageously avoid forming the burning of matrix under strong single port aspiration phases or pyrolysis according to the aerosol of smoking product of the present invention.In addition, the single port aspiration phases of user advantageously can be minimized or is alleviated the impact of the composition of the main flow aerosol of smoking product according to the present invention.
Single heat-conduction component overlays on the rear portion of combustible heat source and at least front portion of aerosol formation matrix.
One or more heat conducting material layer and combustible heat source and the aerosol of single heat-conduction component form matrix radial direction to be separated.This restriction from combustible heat source to the conductive heat transfer of single heat-conduction component, and forms the conductive heat transfer of matrix from single heat-conduction component to aerosol.In use, this advantageously helps to be formed by the aerosol of smoking product according to the present invention under the temperature obtained in matrix maintains it and below aerosol formation burning of matrix or the temperature of pyrolysis can occur.
Preferably, substantially reduced from combustible heat source to the heat trnasfer of single heat-conduction component by conduction.This causes the temperature keeping below the heat-conduction component of the smoking product of known heating according to the single heat-conduction component of smoking product of the present invention, in the smoking product of described known heating, heat-conduction component around and directly contact the rear portion of combustible heat source and aerosol forms at least anterior of matrix.
Wherein heat-conduction component around and directly contact the rear portion of combustible heat source and aerosol is formed in the smoking product of at least anterior heating of matrix, significantly reduced the temperature at the rear portion of combustible heat source by the heat loss that conductive heat transfer produces via heat-conduction component.This can shorten the burning life of combustible heat source and can cause unacceptable aerosol delivery.
The heat loss advantageously reducing and produced by conductive heat transfer via single heat-conduction component is separated at one or more heat conducting material layer of single heat-conduction component and the combustible heat source of smoking product according to the present invention and the aerosol radial direction formed between matrix.
Single heat-conduction component advantageously reduces the heat loss of combustible heat source.When by combustible heat source Heat of Formation, one or more heat conducting material layers of single heat-conduction component are increased in the temperature during the suction of smoking product.The temperature of one or more heat conducting material layers of single heat-conduction component increase the combustible heat source that reduces smoking product and on cover temperature difference between parts, the heat loss from combustible heat source can be reduced.
By reducing the heat loss from combustible heat source, single heat-conduction component advantageously helps temperature aerosol being formed matrix to maintain in temperature required scope.This improves the aerosol generation forming matrix from aerosol.
One or more heat conducting material layers of single heat-conduction component are along smoking product heat by conduction.This improves the efficiency of the conductive heat transfer forming matrix from combustible heat source to aerosol, and therefore aerosol forms the heating of matrix.Being particularly advantageous by comprising improvement in conductive heat transfer that single heat-conduction component realizes for the smoking product according to the present invention comprising closed combustible heat source, in described closed combustible heat source, substantially there is not forced convertion transmission hot in nature.
One or more heat conducting material layer of single heat-conduction component separates with the radial direction that combustible heat source and aerosol are formed between matrix, comprises one or more intermediate layer of material to realize preferably by being formed between matrix in one or more heat conducting material layer of single heat-conduction component and combustible heat source and aerosol.One or more intermediate layer of material can overlay on whole region that combustible heat source and aerosol form in matrix and provides by single heat-conduction component wherein.Alternately, one or more intermediate layer of material can provide in only one or more parts in this region.In certain embodiments, in one of updrift side and downstream direction or both, the extensible one or more heat conducting material layers exceeding single heat-conduction component of one or more intermediate layer of material.
Preferably, single heat-conduction component one or more heat conducting material layers by one or more insulation material layer and combustible heat source and aerosol formed matrix radial direction separate.Suitable heat-insulating material includes but not limited to paper, pottery and metal oxide.
Such as, in some preferred embodiment of the present invention, formed at least anterior of matrix by the rear portion of combustible heat source that single heat-conduction component covers and aerosol and covered by paper wrapper thing, described paper wrapper thing along its length at least partially around smoking product.In this type of embodiment, paper wrapper thing makes single heat-conduction component and combustible heat source and aerosol form matrix radial direction separate, make there is not direct contact between single heat-conduction component and combustible heat source or aerosol formation matrix.
Single heat-conduction component comprises the skin of the heat conducting material be arranged on the outside of smoking product, makes the skin of the heat conducting material of single heat-conduction component visible on the outside of smoking product.
In certain embodiments, one or more heat conducting material layers of single heat-conduction component form matrix radial direction by packing material and combustible heat source and aerosol to be separated, and described packing material is along the whole of smoking product or only part extension.In this type of embodiment, packing material is formed on matrix at combustible heat source and aerosol and is wrapped in around smoking product, and single heat-conduction component be arranged on subsequently packing material at least partially on.
Single heat-conduction component providing on the packing material of smoking product can provide the benefit relevant with the outward appearance of smoking product according to the present invention, particularly during its smoking and afterwards.In some cases, when packing material is exposed to from combustible heat source hot, can be observed some decolourings of the packing material in the region of combustible heat source.Packing material can move in packing material that aerosol forms around matrix and downstream because volatile compound forms matrix from aerosol and decolours in addition.In certain embodiments, single heat-conduction component according to smoking product of the present invention can provide on packing material, described packing material forms at least anterior of matrix around at least rear portion of combustible heat source and aerosol, makes the decolouring of packing material be hiding and no longer visible or more invisible.In certain embodiments, single heat-conduction component can form the whole length extension of matrix around aerosol.In some preferred embodiment, single heat-conduction component can extend beyond aerosol and form matrix to downstream.Therefore the initial appearance of smoking product can be retained during smoking.
Form one or more insulation material layers between matrix alternately or additionally for one or more heat conducting material layer of single heat-conduction component and combustible heat source and aerosol, single heat-conduction component at least part of forms matrix radial direction by air-gap and combustible heat source and aerosol and separates.Air-gap comprises one or more spacer elements between matrix provided by being formed in one or more heat conducting material layer of single heat-conduction component and combustible heat source and aerosol, and the restriction formed between matrix to maintain single heat-conduction component and combustible heat source and aerosol separates.One or more spacer elements can be the such as radial one or more paper slips forming matrix parcel around combustible heat source and aerosol.
Preferably, one or more heat conducting material layer and combustible heat source and the aerosol of single heat-conduction component form matrix radial direction and separate at least 20 microns, more preferably at least 50 microns.In certain embodiments, one or more heat conducting material layer and combustible heat source and the aerosol of single heat-conduction component form matrix radial direction and separate at least 75 microns or more, or at least 100 microns or more.
When one or more insulation material layer described above one or more heat conducting material layer of single heat-conduction component and combustible heat source and aerosol formed provide between matrix time, one or more heat conducting material layer of single heat-conduction component separates with combustible heat source and the aerosol radial direction formed between matrix and is determined by the thickness by one or more insulation material layer.
One or more heat conducting material layers of single heat-conduction component can comprise and have any suitable heat conducting material of suitable thermal conductivity or the combination of material.
Preferably, one or more heat conducting material layers of single heat-conduction component comprise heat conducting material, it has, and transient state flat heat source (MTPS) method of revising as used measures, 23 DEG C and 50% relative humidity under about 10 watts of every meter of degree Kelvins (W/ (mK)) to the bulk thermal conductivity of about 500 watts of every meter of degree Kelvins (W/ (mK)), more preferably from about 15 watts of every meter of degree Kelvins (W/ (mK)) extremely about 400 watts of every meter of degree Kelvins (W/ (mK)).Suitable heat conducting material includes but not limited to: tinsel packagings, such as In Aluminium Foil Packing thing, steel packing material, iron foil packing material and Copper Foil packing material; And metal alloy Foilpac thing.
In some preferred embodiment, single heat-conduction component comprises one or more aluminium lamination.
Preferably, one or more heat conducting material layers of single heat-conduction component comprise heat-reflecting material, such as aluminium or steel.In this type of embodiment, in use, the heat radiation forming matrix from combustible heat source and aerosol is advantageously reflected back combustible heat source and aerosol formation matrix by single heat-conduction component.
As used herein, term ' heat-reflecting material ' refers to have the material of relatively high heat reflectivity and relative low thermal emissivity, the incident radiation from its surface of the more vast scale that material reflects is launched than it.Preferably, heat-reflecting material reflection the incident radiation more than 50%, the incident radiation more preferably above 70% and most preferably more than 75% incident radiation.
In this type of embodiment, relatively high heat reflectivity and the relative low thermal emissivity of single heat-conduction component reduce the heat loss forming matrix from combustible heat source and aerosol.
The reflectivity of one or more heat conducting material layers of single heat-conduction component improves by providing one or more heat conducting material layers of the single heat-conduction component with bright inner surface, and wherein inner surface is the surface in the face of combustible heat source and aerosol formation matrix.
Single heat-conduction component can be formed by single heat conducting material layer.Alternately, single heat-conduction component can be formed by multilayer or laminated material, and described multilayer or laminated material comprise at least one the heat conducting material layer combined with other heat conduction layers one or more or non-thermal conductivity layer.In this type of embodiment, at least one heat conducting material layer can comprise any one in heat conducting material listed above.
In some preferred embodiment, single heat-conduction component can be formed by laminated material, and described laminated material comprises at least one heat conducting material layer and at least one insulation material layer.In this type of embodiment, the internal layer forming the single heat-conduction component of matrix in the face of combustible heat source and aerosol can be insulation material layer.By this way, at least one heat conducting material layer that the internal layer of heat-insulating material provides single heat-conduction component separates with the required radial direction that combustible heat source and aerosol are formed between matrix.
In some preferred embodiment, single heat-conduction component comprises single heat conducting material layer.
In some preferred embodiment, single heat-conduction component is the laminated material comprising single heat conducting material layer and one or more insulation material layer.In some particularly preferred embodiment, single heat-conduction component is the laminated material comprising single heat conducting material layer and single insulation material layer.Preferably, single heat-conduction component is the laminated material comprising single heat conducting material skin and single heat-insulating material internal layer.
An example for the formation of the specially suitable laminated material of single heat-conduction component is the twin-layered laminate comprising aluminium skin and paper internal layer.
The use comprising the single heat-conduction component of laminated material may be favourable in addition at the production period of smoking product according to the present invention, because at least one heat insulation layer can provide extra intensity and rigidity.This allows laminated material more easily to process, and the danger of subsiding or rupturing with at least one heat conduction layer reduces, and at least one heat conduction layer described may be relative thin and fragility.
Preferably, the thickness of single heat-conduction component is about 5 microns to about 100 microns, more preferably from about 5 microns to about 80 microns.
Preferably, single heat-conduction component comprises one or more heat conducting material layer, and it has about 2 microns to about 50 microns, the more preferably from about thickness of 4 microns to about 30 microns.
In certain embodiments, single heat-conduction component can comprise the aluminium foil with about 20 micron thickness.
In some preferred embodiment, single heat-conduction component can comprise laminated material, and it comprises and has the outer and paper internal layer of about 5 microns of aluminium to about 6 micron thickness.
As mentioned above, overlay on the rear portion of combustible heat source and at least front portion of aerosol formation matrix according to the single heat-conduction component of smoking product of the present invention.
Single heat-conduction component forms the position of matrix relative to combustible heat source and aerosol and degree can adjust, so that the aerosol controlled during smoking forms the heating of matrix.Especially, in updrift side and downstream direction, the degree that single heat-conduction component forms matrix relative to combustible heat source and aerosol can adjust, to adjust the aerosol delivery overview of smoking product.
Single heat-conduction component can around all or part of extension of smoking product girth.Preferably, single heat-conduction component forms continuous sleeve, and its part along smoking product length is around smoking product.
Preferably, be that length is about 2mm and is about 3mm to about 5mm to about 8mm, more preferably length by the rear portion of the combustible heat source that single heat-conduction component covers.
Preferably, be not that length is about 4mm and is about 5mm to about 8mm to about 15mm, more preferably length by the front portion of the combustible heat source that single heat-conduction component covers.
In certain embodiments, single heat-conduction component overlays in the whole length of aerosol formation matrix.In this type of embodiment, the downstream end of single heat-conduction component can align with the downstream end that aerosol forms matrix.Alternately, single heat-conduction component can extend beyond aerosol and form matrix on downstream direction.
In other embodiments, single heat-conduction component only overlays on the front portion of aerosol formation matrix.In this type of embodiment, aerosol forms matrix on downstream direction, extends beyond single heat-conduction component.
Single heat-conduction component only overlays in the embodiment on the front portion of aerosol formation matrix wherein, and aerosol forms matrix can extend beyond single heat-conduction component at least about 3mm on downstream direction.Such as, aerosol formation matrix can extend beyond single heat-conduction component and be about 3mm to about 10mm on downstream direction.Alternately, aerosol forms matrix and can extend beyond single heat-conduction component be less than 3mm on downstream direction.
Single heat-conduction component only overlays in the embodiment that aerosol formed on the front portion of matrix wherein, and the front portion forming matrix by the aerosol that single heat-conduction component covers can be length and is about 1mm extremely about 10mm.Such as, the front portion forming matrix by the aerosol that single heat-conduction component covers can be length and is about 2mm to about 8mm or length is about 2mm to about 6mm.
Closed combustible heat source can be comprised according to smoking product of the present invention.
The combustible heat source of the known smoking product in heating comprises additive, to improve lighting and combustion characteristics of combustible heat source.But comprise lighting and can to produce decomposition and product with combustion additive, between the operating period of the smoking product of this known heating, described decomposition and product can adversely enter the air being drawn through it.
Comprise closed combustible heat source can advantageously substantially stop or prevent to enter at the burning Sum decomposition product lighted and formed between main combustion period of closed combustible heat source and other materials the air being drawn through it between the operating period of smoking product according to the present invention.When closed combustible heat source comprises one or more additives to help the lighting or burn of closed combustible heat source, this is particularly advantageous.
Comprise closed combustible heat source according in smoking product of the present invention, particularly importantly optimize combustible heat source and aerosol and form conductive heat transfer between matrix.Find that forming matrix with combustible heat source and aerosol has particularly advantageous effect to the smoking performance of the smoking product comprising closed heat radial comprising of single heat-conduction component of separating, in the smoking product comprising closed heat, there is seldom (if any) formed any heating of matrix by the aerosol of forced convertion.
Should be appreciated that and can comprise closed combustible heat source according to smoking product of the present invention, this closed combustible heat source comprises one or more path closed or block, and air is not sucked for being sucked by user by the path closed or block.
Such as, can comprise closed combustible heat source according to smoking product of the present invention, this closed combustible heat source comprises the one or more closed access extending an only part before the upstream end thereof of closed combustible heat source along the length closing combustible heat source.
Comprise the surface area being exposed to the oxygen from air that one or more occluded air path increases closed combustible heat source, and advantageously can be convenient to lighting and sustained combustion of closed combustible heat source.
Alternately, can comprise according to smoking product of the present invention and not close combustible heat source, wherein there are the one or more gas channels never closed and to extend to before combustible heat source below.
One or more gas channel can comprise one or more airtight gas channel.
As used herein, term ' airtight ' is for describing the inside extending through and do not close combustible heat source and the gas channel surrounded by not closed combustible heat source.
Alternately or additionally, one or more gas channel can comprise one or more unsealed gas channel.Such as, one or more gas channel can comprise the one or more groove or other unsealed gas channels that extend along the outside not closing combustible heat source.
One or more gas channel can comprise one or more airtight gas channel or one or more unsealed gas channel or its and combine.
In certain embodiments, smoking product according to the present invention comprises one, two or three gas channels never closing and extend to before combustible heat source and do not close after combustible heat source.
In some preferred embodiment, smoking product according to the present invention comprises the single gas channel never closed and extend to before combustible heat source and do not close after combustible heat source.
In some particularly preferred embodiment, smoking product according to the present invention comprises never closes the gas channel that combustible heat source extends to above single center substantially after closed combustible heat source or axis.
In this type of embodiment, the diameter of single gas channel is preferably about 1.5mm to about 3mm.
Be to be understood that except air is sucked except the one or more gas channels for user's suction by it, can comprise according to smoking product of the present invention and not close combustible heat source, this is not closed combustible heat source and comprises one or more path closed or block, and air is not sucked for being sucked by user by the path closed or block.
Such as, can comprise according to smoking product of the present invention and not close combustible heat source, this is not closed combustible heat source and comprises one or more gas channel of extending to from combustible heat source before after combustible heat source and never close combustible heat source above along one or more closed access that the length extension of combustible heat source is only a part of.
Comprise one or more occluded air path and increase the surface area being exposed to the oxygen from air not closing combustible heat source, and can advantageously be convenient to not close lighting and sustained combustion of combustible heat source.
What comprise closed combustible heat source is also included according to smoking product of the present invention the non-flammable air-locked block piece substantially do not closed between combustible heat source and one or more gas channel, after extending to before the never closed combustible heat source of described one or more gas channel.
Non-flammable air-locked block piece is substantially comprised between closed combustible heat source and one or more gas channel (after extending to before its never closed combustible heat source), can advantageously substantially stop or prevent when the air be sucked is through one or more gas channel, enter through one or more gas channel and be drawn into air in smoking product not closing the burning Sum decomposition product lighted and formed between main combustion period of combustible heat source.When not closing combustible heat source and comprising one or more additives to help not close the lighting or burning of combustible heat source, this is particularly advantageous.
Can bond at not closed block piece between combustible heat source and one or more gas channel or otherwise be fixed to and not close combustible heat source.
In some preferred embodiment, block piece comprise be arranged on one or more gas channel inner surface on non-flammable air-locked barrier coat substantially.In this type of embodiment, preferably block piece comprises the barrier coat be arranged at least substantially whole inner surface of one or more gas channel.More preferably, block piece comprises the barrier coat be arranged on the whole inner surface of one or more gas channel.
As used herein, term ' coating ' is for describing the material layer covering and be bonded to combustible heat source.
In other embodiments, barrier coat provides by being inserted in one or more gas channel by lining.Such as, when one or more gas channel comprises the one or more airtight gas channel extending through the inside not closing combustible heat source, non-flammable air-locked hollow tube substantially can insert one or more gas channel separately in.
Characteristic sum performance needed for smoking product, block piece can have low heat conductivity or high thermal conductivity.Preferably, block piece has low heat conductivity.
The thickness of block piece can be suitably adjusted to obtain good smoking performance.In certain embodiments, block piece can have the thickness of about 30 microns to about 200 microns.In a preferred embodiment, block piece has the thickness of about 30 microns to about 100 microns.
Block piece can be formed by one or more suitable materials, described material light and between main combustion period by not closing at temperature that combustible heat source obtains as substantially heat-staple and non-flammable.Suitable material is known in the art, and includes but not limited to such as: clay; Metal oxide, such as iron oxide, aluminium oxide, titanium dioxide, silica, silica-alumina, zirconia and cerium oxide; Zeolite; Basic zirconium phosphate; And other ceramic materials or its combination.
The preferred material that can form block piece comprises clay, glass, aluminium, iron oxide and combination thereof.If needed, by catalyst component, such as can promote to make Oxidation of Carbon Monoxide become the composition of carbon dioxide, be attached in block piece.Suitable catalyst component includes but not limited to, such as platinum, palladium, transition-metals and their oxides.
When block piece comprises the barrier coat on the inner surface being arranged on one or more gas channel, by any suitable method, such as at US-A-5,040, the method described in 551, puts on the inner surface of one or more gas channel by barrier coat.Such as, the inner surface of one or more gas channel can utilize the solution of barrier coat or suspension to carry out spraying, soaking or application.In some preferred embodiment, by the process that describes in WO-A2-2009/074870, barrier coat is put on the inner surface of one or more gas channel when combustible heat source is extruded.
The non-flammable air-locked block piece substantially below and between aerosol formation matrix of combustible heat source also can be included according to smoking product of the present invention.
When smoking product according to the present invention comprise do not close combustible heat source and combustible heat source below and aerosol forms the non-flammable air-locked block piece substantially between matrix time, block piece should allow the air downstream being entered smoking product by the one or more gas channels extended to below before never closed combustible heat source to be aspirated through smoking product.
Block piece can adjoin combustible heat source below and one of aerosol formation matrix or both.Alternately, block piece can with combustible heat source below and aerosol form one of matrix or separate between the two.
Block piece can bond or be otherwise fixed to combustible heat source below and one of aerosol formation matrix or both.
In some preferred embodiment, block piece comprise be arranged on combustible heat source below on non-flammable air-locked barrier coat substantially.In this type of embodiment, preferably block piece comprise be arranged on combustible heat source at least substantially whole below on barrier coat.More preferably, block piece comprise be arranged on combustible heat source whole below on barrier coat.
Block piece advantageously can limit aerosol and form the temperature of lighting and between main combustion period exposing of matrix in combustible heat source, and therefore helps to avoid or alleviate thermal degradation or the burning that aerosol forms matrix between the operating period of smoking product.This is particularly advantageous when combustible heat source comprises one or more additives to help the lighting of combustible heat source.
In order to promote that aerosol is formed, the aerosol of the smoking product of heating forms matrix and usually comprises polyhydric alcohols as glycerine or other known aerosol agents.During storage and smoking, this type of aerosol agents can form matrix from the aerosol of the smoking product of known heating and move to its combustible heat source.The migration of the combustible heat source of the smoking product of the heating that aerosol agents is extremely known adversely can cause the decomposition of aerosol agents, particularly during the smoking of the smoking product of heating.
Smoking product according to the present invention combustible heat source below and aerosol formed and comprise non-flammable air-locked block piece substantially between matrix and can advantageously substantially stop or prevent the lay up period at smoking product, aerosol forms the components migrate of matrix to combustible heat source.
Alternately or additionally, smoking product according to the present invention combustible heat source below and aerosol formed and comprise non-flammable air-locked block piece substantially between matrix and advantageously substantially can stop or prevent between the operating period of smoking product, aerosol forms the components migrate of matrix to combustible heat source.
When aerosol formed matrix comprise at least one aerosol agents time, combustible heat source below and aerosol form that to comprise non-flammable air-locked block piece substantially between matrix be particularly advantageous.
In this type of embodiment, smoking product according to the present invention combustible heat source below and aerosol formed and comprise non-flammable air-locked block piece substantially between matrix and can advantageously stop or prevent in the storage of smoking product with between the operating period, at least one aerosol agents forms matrix from aerosol and migrates to combustible heat source.Between the operating period of smoking product, therefore the decomposition of at least one aerosol agents can advantageously substantially be avoided or be reduced.
Characteristic sum performance needed for smoking product, can have low heat conductivity or high thermal conductivity at the non-flammable air-locked block piece substantially below and between aerosol formation matrix of combustible heat source.In certain embodiments, block piece is formed by following material, this material has that transient state flat heat source (MTPS) method revised as used measures, 23 DEG C and 50% relative humidity under the bulk thermal conductivity of about 0.1 watt of every meter of degree Kelvin (W/ (mK)) extremely about 200 watts of every meter of degree Kelvins (W/ (mK)).
The thickness of block piece can be suitably adjusted to obtain good smoking performance.In certain embodiments, block piece can have the thickness of about 10 microns to about 500 microns.
Block piece can be formed by one or more suitable materials, described material at the temperature of lighting and obtained by combustible heat source between main combustion period for substantially heat-staple and non-flammable.Suitable material is known in the art, and includes but not limited to clay (such as bentonite and kaolinite), glass, mineral matter, ceramic material, resin, metal and combination thereof.
The preferred material that can form block piece comprises clay and glass.The preferred material that can form block piece comprises copper, aluminium, stainless steel, alloy, aluminium oxide (Al
2o
3), resin and mineral rubber.
In some preferred embodiment, block piece comprise be arranged at combustible heat source below on clay coating, described clay coating comprises bentonite and kaolinic 50/50 mixture.In other preferred embodiments, block piece comprise be arranged at combustible heat source below on glass coating, more preferably sintered glass coating.
In some particularly preferred embodiment, block piece comprise be arranged at combustible heat source below on aluminized coating.
Preferably, block piece has the thickness at least about 10 microns.
Due to the slight gas permeability of clay, wherein block piece comprise be arranged at combustible heat source below on clay coating embodiment in, clay coating more preferably has the thickness at least about 50 microns, most preferably from about 50 micron to about 350 microns.
In the embodiment that block piece is formed by more air-locked one or more materials (such as aluminium) wherein, block piece can be thinner, and usually preferably have the thickness being less than about 100 microns, being more preferably about 20 microns.
Wherein block piece comprise be arranged at combustible heat source below on glass coating embodiment in, glass coating preferably has the thickness being less than about 200 microns.
The thickness of block piece can use microscope, SEM (SEM) or any other suitable measuring method known in the art to record.
When block piece comprise be arranged at combustible heat source below on barrier coat time, barrier coat applies by any suitable method known in the art to cover and to adhere to after combustible heat source, and described method includes but not limited to spraying, steam deposition, dipping, material transfer (such as brushing or gummed), electrostatic precipitation or its any combination.
Such as, barrier coat obtains by such as under type: block piece with pre-formed close to the size and dimension after combustible heat source, and described block piece is applied to combustible heat source below with cover and adhere to combustible heat source at least substantially whole after.Alternately, barrier coat be applied to combustible heat source below after, barrier coat described in machinable or machining.In a preferred embodiment, by aluminium foil being glued together or being pressed into combustible heat source and aluminium foil is applied to after combustible heat source, and cut or aluminium foil described in machining with described aluminium foil is covered and adhere to combustible heat source at least substantially whole after, preferred cover and adhere to combustible heat source whole after.
In a further advantageous embodiment, by the solution of one or more suitable coating materials or suspended substance being applied to after combustible heat source, thus form barrier coat.Such as, by will in the solution below immersing one or more suitable coating materials of combustible heat source or suspended substance, or by solution or suspended substance are brushed or are sprayed into the upper below of combustible heat source or by the powder of one or more suitable coating materials or mixture of powders electrostatic precipitation to combustible heat source below on, thus barrier coat to be applied to after combustible heat source.When by barrier coat is applied to the upper below of combustible heat source by the powder of one or more suitable coating materials or mixture of powders electrostatic precipitation combustible heat source below time, the preferred below of combustible heat source used waterglass pretreatment before electrostatic precipitation.Preferably, barrier coat is applied by spraying.
Barrier coat is by being applied to being formed of combustible heat source below by the solution of one or more suitable coating materials or suspended substance single.Alternately, barrier coat is by being repeatedly applied to being formed of combustible heat source below by the solution of one or more suitable coating materials or suspended substance.Such as, barrier coat by by the solution of one or more suitable coating materials or suspended substance once, be applied to being formed of combustible heat source for twice, three times, four times, five times, six times, seven times or eight times continuously below.
Preferably, barrier coat is by being applied to being formed of combustible heat source below by the solution of one or more suitable coating materials or suspended substance once to ten time.
The solution of one or more coating materials or suspended substance are applied to combustible heat source below after, can dry combustible heat source to form barrier coat.
When barrier coat by the solution of one or more suitable coating materials or suspended substance is repeatedly applied to combustible heat source below and formed time, combustible heat source may need to carry out drying between the continuous applying of solution or suspended substance.
For drying alternately or additionally, the solution of one or more coating materials or suspended substance are applied to combustible heat source below after, the coating material in combustible heat source can be sintered to form barrier coat.When barrier coat be glass or ceramic coating time, the particularly preferably sintering of barrier coat.Preferably, barrier coat, at the temperature of about 500 DEG C to about 900 DEG C, more preferably sinters at about 700 DEG C.
One or more first air intakes forming matrix periphery around aerosol can be comprised according to smoking product of the present invention.
As used herein, term ' air intake ' to be sucked into hole in smoking product, slit, groove or other apertures for describing air by it.
When smoking product according to the present invention comprises one or more first air intake around aerosol formation matrix periphery, in use, the aerosol that cold air is sucked into smoking product by the first air intake forms Medium Culture.Be sucked into aerosol by the first air intake and form intramatrical air by smoking product, form matrix to downstream process from aerosol, and leave smoking product by its near-end.
During being aspirated by user's single port, advantageously reduce by the cold air of the one or more first air intake suctions forming matrix periphery around aerosol the temperature that aerosol forms matrix.This advantageously substantially stops or prevents during being aspirated by user's single port, and aerosol forms uprushing of the temperature of matrix.
As used herein, not by surrounding air that combustible heat source heats significantly when term ' cold air ' is aspirated by user's single port for being described in.
By stoping or preventing aerosol from forming the uprushing of temperature of matrix, comprise one or more first air intakes forming matrix periphery around aerosol and advantageously help to avoid or alleviate aerosol and form the burning of matrix under strong single port aspiration phases or pyrolysis.In addition, comprise and form around aerosol the impact of single port aspiration phases for the composition of the main flow aerosol of smoking product that one or more first air intakes of matrix periphery advantageously help to minimize or alleviate user.
In some preferred embodiment, one or more first air intake location form the downstream end of matrix close to aerosol.
In certain embodiments, aerosol formation matrix can adjoin after combustible heat source.
As used herein, term ' adjoin ' for describe aerosol formed matrix directly to contact after combustible heat source or combustible heat source below on non-flammable air-locked barrier coat substantially of providing.
In other embodiments, aerosol form matrix can spaced apart below with combustible heat source.That is, aerosol formed matrix and combustible heat source below between can Existential Space or gap.
As used herein, term ' spaced apart ' for describe aerosol formed matrix directly not contact after combustible heat source or combustible heat source below on non-flammable air-locked barrier coat substantially of providing.
For one or more first air intake alternately or additionally, in this type of embodiment, according to smoking product of the present invention can be included in combustible heat source below and aerosol form one or more second air intakes between matrix.In use, cold air is sucked in the space between combustible heat source and aerosol formation matrix by the second air intake.Be sucked into air in space that combustible heat source and aerosol form between matrix through smoking product by the second air intake, form space between matrix to downstream process from combustible heat source and aerosol, and leave smoking product by its near-end.
During being aspirated by user's single port, advantageously can reduce by the cold air of the one or more second entrances suctions below and between aerosol formation matrix of combustible heat source the temperature that aerosol forms matrix.This can advantageously stop or prevent substantially during being aspirated by user's single port, and aerosol forms uprushing of the temperature of matrix.
For one or more first air intake or one or more second air intake alternately or additionally, can be included according to smoking product of the present invention one or more 3rd air intakes that aerosol forms matrix downstream.
Be to be understood that can to comprise according to smoking product of the present invention and form one or more first air intakes of matrix periphery around aerosol, or one or more second air intakes after combustible heat source and between aerosol formation matrix, or form one or more 3rd air intakes in matrix downstream at aerosol, or its any combination.
The quantity of air intake, shape, size and position can be suitably adapted to obtain good smoking performance.
Preferably, combustible heat source is for containing carbon heat sources.As used herein, term ' carbon containing ' is for describing the combustible heat source comprising carbon.Preferably, have at least about 35% for the carbon containing combustible thermal source in smoking product according to the present invention, more preferably at least about 40%, most preferably at least about 45% carbon content, with the dry weight basis of combustible heat source.
In certain embodiments, be flammable carbon back thermal source according to combustible heat source of the present invention.As used herein, term ' carbon back thermal source ' is for describing the thermal source primarily of carbon composition.
For the flammable carbon back thermal source in smoking product according to the present invention, there is the carbon content at least about 50%.Such as, for the flammable carbon back thermal source in smoking product according to the present invention can have at least about 60% or at least about 70% or at least about 80% carbon content, with the dry weight basis of flammable carbon back thermal source.
The carbon containing combustible thermal source formed by one or more suitable carbonaceous materials can be comprised according to smoking product of the present invention.
If needed, one or more adhesives and one or more carbonaceous materials can be combined.Preferably, one or more adhesives are organic bond.Suitable known organic bond includes but not limited to glue (such as guar gum), modified cellulose and cellulose derivative (such as methylcellulose, carboxymethyl cellulose, hydroxypropyl cellulose and hydroxypropyl methylcellulose), flour, starch, sugar, vegetable oil and combination thereof.
In a preferred embodiment, combustible heat source is formed by the mixture of carbon dust, modified cellulose, flour and sugar.
Replace one or more adhesives or except one or more adhesives, one or more additives can be comprised for the combustible heat source in smoking product according to the present invention, to improve the character of combustible heat source.Suitable additive includes but not limited to promote the additive of the consolidation of combustible heat source (such as sintering aid), in order to promote additive (the such as oxidant lighted of combustible heat source, as perchlorate, chlorate, nitrate, peroxide, permanganate, zirconium and their combination), in order to promote additive (the such as potassium and sylvite of the burning of combustible heat source, as potassium citrate) and in order to promote by the burning of combustible heat source the additive of the decomposition of one or more gases that produces (such as catalyst, as CuO, Fe
2o
3and Al
2o
3).
When smoking product according to the present invention comprise be arranged on combustible heat source below on barrier coat time, barrier coat be applied to combustible heat source below before or after, examples of such additives can be mixed in combustible heat source.
In some preferred embodiment, combustible heat source comprises the carbon containing combustible thermal source that carbon and at least one light auxiliary agent.In a preferred embodiment, combustible heat source is as described in WO-A1-2012/164077, comprises the carbon containing combustible thermal source that carbon and at least one light auxiliary agent.
As used herein, term ' lights auxiliary agent ' for the material representing the one or both released energy in the ignition procedures of combustible heat source and in oxygen, wherein material release energy and the speed of one or both in oxygen by the restriction of ambient oxygen diffusion.In other words, in the ignition procedures of combustible heat source, material releases energy and the speed of one or both in oxygen does not rely on the speed that ambient oxygen can arrive material to a great extent.As used herein, term ' lights auxiliary agent ' also for representing the metal element (elementalmetal) released energy in the ignition procedures of combustible heat source, wherein the ignition temperature of metal element is below about 500 DEG C, and the combustion heat of metal element is at least about 5kJ/g.
As used herein, the alkali metal salt (as alkali-metal citrate, alkali metal acetate and alkali metal succinate) of carboxylic acid, alkali halide salts (as alkali metal chloride salt), alkali carbonate or alkali metal phosphate ' lighted auxiliary agent ' and do not comprised in term, it is believed that these salt above-mentioned changes carbon burning.Even if when alkali metal burning salt relative to the gross weight of combustible heat source to exist in a large number time, this alkali metal burning salt does not discharge enough energy yet and produces acceptable aerosol in single port aspiration procedure in early days in the ignition procedures of combustible heat source.
The example of suitable oxidant includes but not limited to: nitrate, such as potassium nitrate, calcium nitrate, strontium nitrate, sodium nitrate, barium nitrate, lithium nitrate, aluminum nitrate and ferric nitrate; Nitrite; Other organic and inorganic nitro compounds; Chlorate, such as sodium chlorate and potassium chlorate; Perchlorate, such as sodium perchlorate; Chlorite; Bromate, such as bromic acid is received and potassium bromate; Perbromate; Bromite; Borate, such as Boratex and potassium borate; Ferrate, such as barium ferrate; Ferrite; Manganate, such as potassium manganate; Permanganate, such as potassium permanganate; Organic peroxide, such as benzoyl peroxide and acetone peroxide; Inorganic peroxide, such as hydrogen peroxide, strontium peroxide, peromag, calper calcium peroxide, barium peroxide, zinc peroxide and lithium peroxide; Superoxides, such as potassium superoxide and sodium superoxide; Iodate; Periodate; Iodite; Sulfate; Sulphite; Other sulfoxides; Phosphate; Phosphinates; Phosphite; And phosphanite.
Although advantageously improve the lighting and ignition quality of combustible heat source, comprise to light and can cause undesirable decomposition and product in the use procedure of smoking product with combustion additive.Such as, the formation that can cause nitrogen oxide in combustible heat source with the decomposition of the nitrate of assisting it to light is contained in.
When smoking product according to the present invention comprise not close combustible heat source time, between one or more gas channel and closed combustible heat source, comprise non-flammable air-locked block piece substantially can advantageously substantially stop or prevent when the air of suction is through one or more gas channel, this type of decomposition and product enter through one or more gas channel and are drawn into according to the air in smoking product of the present invention.
Comprising non-flammable air-locked block piece substantially after combustible heat source and between aerosol formation matrix also can advantageously stop or prevent this type of decomposition and product from entering the air be drawn through according to smoking product of the present invention substantially.
Carbon containing combustible thermal source for smoking product according to the present invention can be prepared described in prior art as known to persons of ordinary skill in the art.
Carbon containing combustible thermal source for smoking product according to the present invention is formed preferably by with under type: if make other additives in one or more carbonaceous materials and one or more adhesives and some situations mix, and by pre-formed for mixture be required shape.The mixture of one or more carbonaceous materials, one or more adhesives and other additives selectable can utilize any suitable known ceramics forming method, such as, such as slip-casting, extrude, injection molding and mould compression moulding or pressing, and pre-formed be required shape.In some preferred embodiment, by press or extrude or its combination to make mixture pre-formed be required shape.
Preferably, one or more carbonaceous materials, one or more adhesives and other additives mixture by pre-formed be elongated shape bar.But, should be appreciated that the mixture of one or more carbonaceous materials, one or more adhesives and other additives can by pre-formed shape needed for other.
After such shaping, particularly after extrusion, elongated shape bar or other required forms are preferably dried to reduce its water content, then pyrolysis at the temperature enough making one or more adhesives (if present) carbonization in non-oxidizing atmosphere, and substantially eliminate any volatile matter in elongated shape bar or other shapes.Preferably in blanket of nitrogen at the temperature of about 700 DEG C to about 900 DEG C pyrolysis elongated shape bar or the shape needed for other.
In certain embodiments, by comprising at least one metal nitrate precursor at the mixture of one or more carbonaceous materials, one or more adhesives and other additives, at least one metal nitrate is combined in combustible heat source.Then at least one metal nitrate precursor is converted at least one metal nitrate on the spot by the preformed cylindrical bar or other shapes that utilize nitre aqueous acid process pyrolysis.In one embodiment, combustible heat source comprises at least one metal nitrate, and at least one metal nitrate has and is less than about 600 DEG C, is more preferably less than the heat decomposition temperature of about 400 DEG C.Preferably, at least one metal nitrate has about 150 DEG C to about 600 DEG C, the more preferably decomposition temperature of about 200 DEG C to about 400 DEG C.
In a preferred embodiment, combustible heat source should cause at least one metal nitrate decompose and discharge oxygen and energy for the exposure of the yellow fiery igniter of tradition or other firing devices.This decomposition causes the initial raising of the temperature of combustible heat source, and also contributes to lighting of combustible heat source.After the decomposition of at least one metal nitrate, combustible heat source preferably continues to burn at lower temperatures.
Comprising at least one metal nitrate advantageously causes lighting of combustible heat source internally to be triggered, but not only some place in its surface.Preferably, at least one metal nitrate with about 50% of the dry weight of about 20% to the combustible heat source of the dry weight of combustible heat source amount be present in combustible heat source.
In other embodiments, combustible heat source comprises at least one peroxide or superoxides, and peroxide or superoxides derive oxygen on one's own initiative being less than at the temperature of about 600 DEG C, more preferably being less than at the temperature of about 400 DEG C.
Preferably, at least one peroxide or superoxides derive oxygen on one's own initiative at the temperature of about 150 DEG C to about 600 DEG C, more preferably at the temperature of about 200 DEG C to about 400 DEG C, most preferably at the temperature of about 350 DEG C.
In use, combustible heat source should cause at least one peroxide or superoxides decompose and discharge oxygen for the exposure of the yellow fiery igniter of tradition or other firing devices.This causes the initial raising of the temperature of combustible heat source, and also contributes to lighting of combustible heat source.After the decomposition of at least one peroxide or superoxides, combustible heat source preferably continues to burn at lower temperatures.
Comprise at least one peroxide or superoxides advantageously causes lighting of combustible heat source internally to be triggered, but not only some place in its surface.
Combustible heat source preferably has about 20% to the porosity of about 80%, more preferably about 20% to 60%.When combustible heat source comprises at least one metal nitrate, this advantageously allows oxygen when at least one metal nitrate decomposes and burning proceeds to be enough to maintain the VELOCITY DIFFUSION of burning in the quality of combustible heat source.Even more preferably, combustible heat source have as measured by such as mercury porosimetry or helium pycnometry about 50% to about 70%, the porosity of more preferably about 50% to about 60%.Required porosity easily can realize in the process using conventional method and technology production combustible heat source.
Advantageously, the carbon containing combustible thermal source for smoking product according to the present invention has about 0.6g/cm
3to about 1g/cm
3apparent density.
Preferably, combustible heat source has about 300mg to about 500mg, more preferably about 400mg to the quality of about 450mg.
Preferably, combustible heat source has about 7mm to about 17mm, more preferably about 7mm to about 15mm, most preferably about 7mm to the length of about 13mm.
Preferably, combustible heat source has the diameter of about 5mm to about 9mm, more preferably has the diameter of about 7mm to about 8mm.
Preferably, combustible heat source has substantially homogeneous diameter.But combustible heat source can be alternately tapered, the diameter at the rear portion of closed combustible heat source is made to be greater than the diameter of its front portion.Particularly preferably be columniform combustible heat source substantially.Combustible heat source can be such as cylinder or the tapered cylinder with circular cross section substantially, or has cylinder or the tapered cylinder of oval cross section substantially.
Smoking product according to the present invention preferably includes aerosol and forms matrix, and this aerosol forms matrix and comprises at least one aerosol agents and can respond the material adding Thermal release volatile compound.Aerosol forms matrix can comprise other additives and composition, includes but not limited to NMF, flavor enhancement, adhesive and composition thereof.
Preferably, aerosol formation matrix comprises nicotine.More preferably, aerosol formation matrix comprises tobacco.
At least one aerosol agents can be the mixture of any suitable known compound or compound, and the mixture of compound or compound is in use convenient to form intensive and stable aerosol and substantially resist thermal degradation under the operating temperature of smoking product.Suitable aerosol agents is well known in the art, and comprise such as polyalcohol, the ester (acetin, diacetine or glyceryl triacetate) of polyalcohol, and monocarboxylic acid, dicarboxylic acids or polycarboxylic aliphatic (acid) ester (such as dodecanedioic acid dimethyl ester and tetradecanedioic acid dimethyl ester).Preferred aerosol agents for smoking product according to the present invention is polyalcohol or its mixture, such as triethylene glycol, 1,3-BDO, most preferably glycerine.
Heating can be responded release the material of volatile compound and can be packing material based on plant.Heating can be responded release the material of volatile compound and can be homogeneous filled material based on plant.Such as, aerosol forms matrix can comprise one or more materials deriving from following plant, and described plant includes but not limited to: tobacco; Tealeaves, such as green tea; Peppermint; Bay; Eucalyptus; Sweet basil; Salvia japonica; Verbena officinalis; And tarragon.
Preferably, heating can be responded release the material of volatile compound and can be packing material based on tobacco, most preferably based on the homogeneous filled material of tobacco.
Aerosol formed matrix can take by paper or other packing materials around profiled member or the form of section, described profiled member or section comprise can respond the material that volatile compound is released in heating.As mentioned above, when aerosol formation matrix takes the form of this type of profiled member or section, the whole profiled member or the section that comprise any packing material are considered as aerosol formation matrix.
Preferably, aerosol formation matrix has about 5mm to about 20mm, more preferably from about 8mm to the length of about 12mm.
In a preferred embodiment, aerosol forms matrix and is included in the elements material based on tobacco wrapped up in profiled member package.In the especially preferred embodiments, aerosol forms matrix and is included in the homogeneous material profiled member based on tobacco wrapped up in profiled member package.
Smoking product according to the present invention preferably includes the cigarette holder that aerosol forms matrix downstream.Cigarette holder is positioned at the proximal end of smoking product.
Preferably, cigarette holder has low filter efficiency, more preferably has low-down filter efficiency.Cigarette holder can be the cigarette holder of single section or parts.Alternately, cigarette holder can be multistage cigarette holder or multi-part cigarette holder.
Cigarette holder can comprise the filter tip with one or more sections, and described one or more sections comprise suitable known filter material.Suitable filtering material is known in the art, and includes but not limited to cellulose acetate and paper.Alternately or additionally, cigarette holder can comprise one or more sections, described one or more sections comprise absorbent, adsorbent, flavor enhancement and other aerosol modifier and additive or its combination.
Preferably also be included in aerosol according to the smoking product of element and form transfer element between matrix and cigarette holder or spacer elements.
Transfer element can adjoin aerosol formed one of matrix and cigarette holder or both.Alternately, transfer element can form one of matrix and cigarette holder with aerosol or separate between the two.
Comprise the cooling of the aerosol that transfer element advantageously allows the heat trnasfer by forming matrix from combustible heat source to aerosol to generate.Comprise transfer element also advantageously to allow to be adjusted to desirable value according to the total length of smoking product of the present invention by the suitable selection of the length of transfer element, such as, be adjusted to the length similar to conventional cigarette.
Transfer element can have the length of about 7mm to about 50mm, the length of such as about 10mm to about 45mm or about 15mm to about 30mm.Total length needed for smoking product, and the existence of miscellaneous part in smoking product and length, transfer element can have other length.
Preferably, transfer element comprises at least one open-ended tubular hollow body.In this type of embodiment, in use, when the air be inhaled into swims over to its near-end by smoking product downwards from aerosol formation matrix, the air of smoking product is drawn through through at least one open-ended tubular hollow body.
Transfer element can comprise at least one the open-ended tubular hollow body formed by one or more suitable materials, and one or more suitable materials described are substantially heat-staple under the temperature of the aerosol of the heat trnasfer generation by forming matrix from combustible heat source to aerosol.Suitable material is known in the art, and includes but not limited to paper, cardboard, plastics such as cellulose acetate, pottery and combination thereof.
Alternately or additionally, aerosol can be included according to smoking product of the present invention and form aerosol cooling element between matrix and cigarette holder or heat exchanger.Aerosol cooling element can comprise multiple passage extending longitudinally.
Aerosol cooling element can comprise the gathering sheet of the material of the Paper or cardboard being selected from metal forming, polymeric material and substantially non-porous.In certain embodiments, aerosol cooling element can comprise the gathering sheet of the material being selected from polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), PETG (PET), PLA (PLA), cellulose acetate (CA) and aluminium foil.
In some preferred embodiment, aerosol cooling element can comprise the gathering sheet of biodegradable polymeric material, described material such as PLA (PLA) or
(being obtained commercially the starch base copolyesters of series) level.
One or more aerosol modifier that aerosol forms matrix downstream can be included according to smoking product of the present invention.Such as, one or more aerosol modifier can be comprised according to one or more in the cigarette holder of smoking product of the present invention, the gentle fog cooling element of transfer element.
Suitable aerosol modifier includes but not limited to: flavor enhancement; With chemicals (chemesthetic) reagent.
As used herein, term ' flavor enhancement ', for describing in use, forms the aerosol imparting taste of matrix generation or one or both any reagent of fragrance to the aerosol by smoking product.
As used herein, term ' chemicals reagent ' for describe in use by perception in the oral cavity of the external user of the perception of gustatory receptor or osmoreceptor cell or sense of smell chamber or any reagent of also perception in the oral cavity of user or sense of smell chamber except the perception by gustatory receptor or osmoreceptor cell.The perception of chemicals reagent usually by " trigeminal neuralgia induction ", or passes through trigeminal neuralgia, glossopharyngeal nerve, sympathetic nerve, or some combinations of these nerves.Usually, chemicals reagent is perceived as sensation that is hot, peppery, cool or calmness.
Can be included according to smoking product of the present invention one or more aerosol modifier that aerosol forms matrix downstream, it is flavor enhancement and chemicals reagent.Such as, according to one or more the comprised menthols in the cigarette holder of smoking product of the present invention, transfer element gentle fog cooling element or the another kind of flavor enhancement providing cool chemicals efficacy.
Known method and machine can be used to assemble according to smoking product of the present invention.
Accompanying drawing explanation
The present invention is further illustrated with reference to the accompanying drawings by means of only way of example, in the drawing:
Fig. 1 shows the schematic longitudinal cross-section of the smoking product according to the first embodiment of the present invention;
Fig. 2 shows the schematic longitudinal cross-section of smoking product according to the third embodiment of the invention;
Fig. 3 a shows during aspirating, according to the curve map of the temperature at the combustible heat source rear portion of smoking product of the present invention; With
Fig. 3 b shows during aspirating, and forms the curve map of the temperature of matrix according to the aerosol of smoking product of the present invention.
Detailed description of the invention
Comprising according to the smoking product 2 of the first embodiment of the present invention is in FIG in adjacent coaxillay aligned closed combustible heat source 4, aerosol forms matrix 10, transfer element 12, aerosol cooling element 14, spacer elements 16 and cigarette holder 18, and described closed combustible heat source 4 has 6 and relative 8 above below.
Closing combustible heat source 4 is closed carbon containing combustible heat source, and is positioned at the far-end of smoking product 2.As shown in fig. 1, below between 8 and aerosol formation matrix 10 of closed combustible heat source 4 is arranged on non-flammable air-locked block piece 22 substantially of foil disk form.By foil disk being pressed into below on 8 of closed combustible heat source 4, block piece 22 is applied to 8 of closed combustible heat source 4 below, and adjacent carbon containing combustible thermal source 4 below 8 and aerosol form matrix 10.
In other embodiment (not shown) of the present invention, can omit at the non-flammable air-locked block piece 22 substantially below between 8 and aerosol formation matrix 10 of closed combustible heat source 4.
Aerosol formed matrix 10 be positioned at be applied to closed combustible heat source 4 below 8 the tight downstream of block piece 22.Aerosol forms the cylindrical profiled member that matrix 10 comprises the homogeneous material 24 based on tobacco, is included in the aerosol agents of parcel in profiled member package 26, such as glycerine.
Transfer element 12 is positioned at the tight downstream that aerosol forms matrix 10, and comprises the cellulose acetate hollow tube 28 of cylinder-shaped end opening.
Aerosol cooling element 14 is positioned at the tight downstream of transfer element 12, and comprises the gathering sheet of biodegradable polymer material such as PLA.
Spacer elements 16 is positioned at the tight downstream of aerosol cooling element 14, and comprises the Paper or cardboard hollow tube 30 of cylinder-shaped end opening.
Cigarette holder 18 is positioned at the tight downstream of spacer elements 16.As shown in fig. 1, cigarette holder 18 is positioned at the proximal end of smoking product 2, and comprise the cylindrical profiled member of the suitable filter material 32 with parcel in filter tip profiled member package 34, described suitable filter material 32 such as has the cellulose acetate tow of extremely low filter efficiency.
Smoking product also can comprise the filter tip paper tape (not shown) of the downstream end part around outer wrapper 20.
As shown in fig. 1, smoking product 2 also comprises the single heat-conduction component 36 with suitable material such as aluminium foil, and this single heat-conduction component 36 overlays on the rear portion of closed combustible heat source 4, aerosol is formed in the whole length of matrix 10 and the whole length of transfer element 12.
In other embodiment (not shown) of the present invention, transfer element 12 can extend beyond single heat-conduction component 36 on downstream direction.That is, single heat-conduction component 36 can only overlay on the front portion of transfer element 12.In other embodiment (not shown) of the present invention, single heat-conduction component 36 can not overlay on transfer element 12 any on.
In further embodiment of the present invention (not shown), aerosol forms matrix 10 can extend beyond single heat-conduction component 36 on downstream direction.That is, single heat-conduction component 36 can only overlay on the front portion of aerosol formation matrix 10.
Single heat-conduction component 36 forms matrix 10 radial direction by the packing material 38 with the heat Insulation film material such as cigarette paper of low-permeable with closed combustible heat source 4 and aerosol to be separated, and described heat Insulation film material is wrapped in the rearward portion that aerosol forms matrix 10, transfer element 12 and closed combustible heat source 4.
In FIG shown in according in the smoking product 2 of the first embodiment of the present invention, single heat-conduction component 36 and single heat-conduction component 36 and closed combustible heat source 4 and aerosol are formed packing material 38 that matrix 10 radial direction separates extends to position roughly the same in closed combustible heat source 4 in the upstream direction, make the upstream end thereof of single heat-conduction component 36 and packing material 38 substantial alignment in closed combustible heat source 4.
But, be to be understood that in other embodiment (not shown) of the present invention, single heat-conduction component 36 and closed combustible heat source 4 and aerosol are formed, and packing material 38 that matrix 10 radial direction separates can extend beyond single heat-conduction component 36 in the upstream direction.
One or more first air intakes 38 forming matrix 10 periphery around aerosol are comprised according to the smoking product 2 of the first embodiment of the present invention.
As shown in fig. 1, the first air intake 40 be circular layout is arranged on aerosol and is formed in the profiled member package 26 of matrix 10, single heat-conduction component 36 and closed combustible heat source 4 and aerosol are formed packing material 38 that matrix 10 radial direction separates and single heat-conduction component 36, enters aerosol formed in matrix 10 to receive cold air (being illustrated by dotted arrow in FIG).
In use, user lights the closed combustible heat source 4 of the smoking product 2 according to the first embodiment of the present invention, and aspirates on cigarette holder 18 subsequently.When user aspirates on cigarette holder 18, the aerosol that cold air (being illustrated by dotted arrow in FIG) is sucked into smoking product 2 by the first air intake 40 is formed in matrix 10.
The front portion that aerosol forms matrix 10 by via closed combustible heat source 4 below 8 and block piece 22 conduction and heated.
Matrix 10 is formed from the profiled member of the homogeneous materials 24 based on tobacco release glycerine and other volatility and semi-volatile compounds by conduction heating aerosol.The compound forming release matrix 10 from aerosol forms aerosol, and when sucked air flows through aerosol formation matrix 10, described aerosol is entrained in and is sucked in the air in the aerosol formation matrix 10 of smoking product 2 by the first air intake 40.The aerosol (being illustrated by dotted arrow in fig 1 and 2) of the air sucked and entrained with is to downstream through transfer element 12, aerosol cooling element 14 and spacer elements 16, and the aerosol of air sucked wherein and entrained with cools and condensation.The air sucked of cooling and the aerosol of entrained with through cigarette holder 18, and are delivered to user by the near-end of the smoking product 2 according to the first embodiment of the present invention to downstream.Closed combustible heat source 4 and the air separation being drawn through smoking product 2 is made at the non-flammable air-locked block piece 22 substantially below on 8 of closed combustible heat source 4, make in use, the air being drawn through smoking product 2 does not directly contact closes combustible heat source 4.
In use, single heat-conduction component 36 keeps temperature in smoking product 2, to help to maintain the temperature that aerosol forms matrix 10, and therefore promotes aerosol delivery that is continuous and that strengthen.In addition, single heat-conduction component 36 forms matrix 10 along aerosol and transmits heat, makes heat form the more volume dispersion of matrix 10 by aerosol.Aerosol delivery between this single port helping to provide more consistent aspirates.
Smoking product (not shown) according to a second embodiment of the present invention has the structure identical to a great extent with the smoking product according to the first embodiment of the present invention shown in FIG.But, in smoking product according to a second embodiment of the present invention, single heat-conduction component 36 and closed combustible heat source 4 and aerosol are formed, and packing material 38 that matrix 10 radial direction separates is omitted, and single heat-conduction component 36 is formed by laminated material, described laminated material comprises the skin of heat conducting material and the internal layer of heat-insulating material.In smoking product according to a second embodiment of the present invention, the skin of the heat conducting material of single heat-conduction component 36 forms matrix 10 radial direction by the internal layer of the heat-insulating material of single heat-conduction component 36 with closed combustible heat source 4 and aerosol to be separated.
Smoking product 42 according to the third embodiment of the invention in fig. 2 has the structure identical to a great extent with the smoking product according to the first embodiment of the present invention shown in FIG.But, in smoking product 42 according to a second embodiment of the present invention, the first air intake 40 formed around matrix 10 around aerosol is omitted, and combustible heat source 4 does not close carbon containing combustible thermal source, it comprises never to close before combustible heat source 4 the single central flow path 44 that 6 extend to next 8.
As shown in Figure 2, non-flammable air-locked block piece 46 is substantially set between combustible heat source 4 and central flow path 44.Block piece 46 comprise be arranged on single central flow path 44 whole inner surface on non-flammable air-locked barrier coat substantially.
In use, user lights the closed combustible heat source 4 of smoking product 42 according to the third embodiment of the invention, and aspirates on cigarette holder 18 subsequently.When user aspirates on cigarette holder 18, the aerosol that cold air (being illustrated by dotted arrow in fig. 2) is sucked into smoking product 2 by central flow path 44 is formed in matrix 10.Do not closing the non-flammable air-locked block piece 22 substantially below on 8 of combustible heat source 4, and the non-flammable air-locked block piece 46 substantially on the inner surface of single central flow path 44, make not close combustible heat source 4 and the air separation being drawn through smoking product 42, make in use, the air being drawn through smoking product 42 does not directly contact does not close combustible heat source 4.
In other embodiment (not shown) of the present invention, can omit at the non-flammable air-locked block piece 22 substantially below between 8 and aerosol formation matrix 10 not closing combustible heat source 4.
Smoking product (not shown) according to a fourth embodiment of the invention has the structure identical to a great extent with smoking product according to the third embodiment of the invention shown in fig. 2.But, in smoking product according to a fourth embodiment of the invention, single heat-conduction component 36 and closed combustible heat source 4 and aerosol are formed, and packing material 38 that matrix 10 radial direction separates is omitted, and single heat-conduction component 36 is formed by laminated material, described laminated material comprises the skin of heat conducting material and the internal layer of heat-insulating material.In smoking product according to a fourth embodiment of the invention, the skin of the heat conducting material of single heat-conduction component 36 forms matrix 10 radial direction by the internal layer of the heat-insulating material of single heat-conduction component 36 with not closed combustible heat source 4 and aerosol to be separated.
Example A
Assembling have with above-mentioned smoking product according to a second embodiment of the present invention to a great extent same configuration according to smoking product of the present invention.Smoking product comprises the single heat-conduction component formed by laminated material, and described laminated material comprises aluminium skin and paper internal layer.Smoking product does not comprise outer wrapper, makes the aluminium of single heat-conduction component outer visible on the outside of smoking product.Replace being circular layout of the first air intake forming matrix periphery around aerosol, smoking product comprises being circular layout of the 3rd air intake around transfer element periphery.
In smoking product according to the present invention, the outer paper internal layer by single heat-conduction component of aluminium of single heat-conduction component forms matrix radial direction with closed combustible heat source and aerosol to be separated.
Comparative example B
In order to compare object, assembling is not according to smoking product of the present invention.Smoking product not according to the present invention comprises the single heat-conduction component formed by laminated material, and described laminated material comprises aluminium internal layer and paper is outer.In other respects, smoking product not according to the present invention has the structure identical with the smoking product according to the present invention of example A.
Not according in smoking product of the present invention, the aluminium internal layer of single heat-conduction component directly contacts closed combustible heat source and aerosol forms matrix.
The position being used in its aerosol formation matrix upstream 1mm is attached to the thermocouple on the surface of smoking product, measure between combustible heat source main combustion period in smoking product, example A according to smoking product of the present invention and comparative example B not according to the temperature at the closed combustible heat source rear portion of smoking product of the present invention.The results are shown in Fig. 3 a.
The position being used in its combustible heat source downstream 6mm is attached to the thermocouple on the surface of smoking product, measure between combustible heat source main combustion period in smoking product, the temperature not forming matrix rear portion according to the aerosol of smoking product of the present invention according to smoking product of the present invention and comparative example B of example A.The results are shown in Fig. 3 b.
In order to measure the temperature at the rear portion of closed combustible heat source and aerosol formation matrix, smoking product uses conventional yellow flame lighter to light, and use smoking machine, smoking under Her Majesty the Queen in right of Canada as represented by the minister of Healt (HealthCanada) smoking scheme, through the suction of 12 single port, there is the single port puff interval of the single port draw volume of 55ml, the single port puff duration of 2 seconds and 30 seconds.About condition and the elaboration in iso standard 3308 (ISO3308:2000) of smoking machine specification of smoking.Atmosphere about conditioning and test is set forth for 3402 times at iso standard.
As shown in Figure 3 a and 3b shown, particularly afterwards during single port suction, compared with smoking product according to the present invention, the temperature not forming matrix rear portion according to the closed combustible heat source of smoking product of the present invention and aerosol of comparative example B reduces.This causes, and comparative example B's do not send (10.3mg) sending (17.4mg) according to the total dry particulate matter (DTPM) of smoking product of the present invention lower than example A according to the total dry particulate matter (DTPM) of smoking product of the present invention.
Above-described specific embodiment expection illustrates the present invention.But, other embodiments can be prepared, and do not deviate from the spirit and scope of the present invention as limited in claim, and to should be appreciated that above-described specific embodiment is not expected be restrictive.
Claims (15)
1. a smoking product, described smoking product comprises:
There is the combustible heat source of relative front and back;
Matrix is formed at the aerosol of the Later downstream of described combustible heat source; With
Overlay on the single heat-conduction component on the rear portion of described combustible heat source and at least front portion of described aerosol formation matrix, wherein said single heat-conduction component comprises one or more heat conducting material layer, and described one or more heat conducting material layer and described combustible heat source and described aerosol form matrix radial direction to be separated
Wherein said combustible heat source is closed combustible heat source, or described combustible heat source does not close combustible heat source, and the non-flammable air-locked block piece substantially do not closed described in described smoking product is also included between combustible heat source and one or more gas channel, after described one or more gas channel extends to before described closed combustible heat source, and
Wherein said single heat-conduction component comprises the skin of heat conducting material, and the skin of described heat conducting material is visible on the outside of described smoking product.
2. smoking product according to claim 1, wherein said one or more heat conducting material layer forms matrix radial direction by one or more insulation material layer and described combustible heat source and described aerosol to be separated.
3. smoking product according to claim 1 and 2, wherein said one or more heat conducting material layer and described combustible heat source and described aerosol form matrix radial direction and separate at least 50 microns.
4. according to smoking product in any one of the preceding claims wherein, wherein said single heat-conduction component is formed by laminated material, and described laminated material comprises one or more heat conducting material layer and one or more insulation material layer.
5. smoking product according to claim 4, wherein said one or more heat conducting material layer forms matrix radial direction by least one in described one or more insulation material layer and described combustible heat source and described aerosol to be separated.
6., according to smoking product in any one of the preceding claims wherein, wherein said one or more heat conducting material layer comprises heat-reflecting material.
7. smoking product according to claim 6, the incident radiation of wherein said heat-reflecting material reflection more than 50%.
8., according to smoking product in any one of the preceding claims wherein, wherein said single heat-conduction component overlays on described aerosol and is formed in the whole length of matrix.
9. smoking product according to claim 8, wherein said single heat-conduction component extends beyond described aerosol and forms matrix to downstream.
10., according to smoking product in any one of the preceding claims wherein, described smoking product is also included in the non-flammable air-locked block piece substantially below and between described aerosol formation matrix of described combustible heat source.
11. according to smoking product in any one of the preceding claims wherein, and described smoking product also comprises one or more first air intakes forming matrix periphery around described aerosol.
12. according to smoking product in any one of the preceding claims wherein, and wherein said aerosol forms matrix and adjoins after described combustible heat source.
13. smoking products according to any one of claim 1-12, wherein said aerosol is formed after matrix and described combustible heat source spaced apart.
14. according to smoking product in any one of the preceding claims wherein, and described smoking product is also included in one or more second air intakes below and between described aerosol formation matrix of described combustible heat source.
15. according to smoking product in any one of the preceding claims wherein, and described smoking product is also included in one or more aerosol modifier that described aerosol forms matrix downstream.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13180309 | 2013-08-13 | ||
| EP13180309.0 | 2013-08-13 | ||
| PCT/EP2014/067237 WO2015022321A1 (en) | 2013-08-13 | 2014-08-12 | Smoking article with single radially-separated heat-conducting element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105407749A true CN105407749A (en) | 2016-03-16 |
| CN105407749B CN105407749B (en) | 2019-06-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480040903.0A Active CN105407749B (en) | 2013-08-13 | 2014-08-12 | The smoking product of heat-conduction component with single radial separation |
Country Status (23)
| Country | Link |
|---|---|
| US (1) | US20160174609A1 (en) |
| EP (1) | EP3032974B1 (en) |
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| CN107458055A (en) * | 2017-08-31 | 2017-12-12 | 云南巴菰生物科技有限公司 | A kind of purposes of the cooling combined material of aerosol and preparation method thereof with it |
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| AR097317A1 (en) | 2016-03-09 |
| US20160174609A1 (en) | 2016-06-23 |
| AU2014307962B2 (en) | 2018-09-27 |
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| UA117488C2 (en) | 2018-08-10 |
| EP3032974B1 (en) | 2018-05-02 |
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| WO2015022321A1 (en) | 2015-02-19 |
| BR112016001068B1 (en) | 2021-08-03 |
| EP3032974A1 (en) | 2016-06-22 |
| AU2014307962A1 (en) | 2015-11-12 |
| SG11201601049YA (en) | 2016-03-30 |
| MX2016001960A (en) | 2016-05-26 |
| CA2918188A1 (en) | 2015-02-19 |
| PT3032974T (en) | 2018-10-16 |
| RU2671756C2 (en) | 2018-11-06 |
| TW201521608A (en) | 2015-06-16 |
| PH12015502505B1 (en) | 2016-02-22 |
| CN105407749B (en) | 2019-06-04 |
| MY176645A (en) | 2020-08-19 |
| ES2671435T3 (en) | 2018-06-06 |
| JP6757251B2 (en) | 2020-09-16 |
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