CN105407749B

CN105407749B - The smoking product of heat-conduction component with single radial separation

Info

Publication number: CN105407749B
Application number: CN201480040903.0A
Authority: CN
Inventors: O·米洛诺夫
Original assignee: Philip Morris Products SA
Current assignee: Philip Morris Products SA
Priority date: 2013-08-13
Filing date: 2014-08-12
Publication date: 2019-06-04
Anticipated expiration: 2034-08-12
Also published as: AR097317A1; US20160174609A1; AU2014307962B2; KR102354033B1; IL242343B; JP2016527894A; HK1219845A1; BR112016001068A2; PL3032974T3; TWI654943B; KR20160042417A; ZA201508084B; RU2016108814A; UA117488C2; EP3032974B1; PH12015502505A1; WO2015022321A1; BR112016001068B1; EP3032974A1; AU2014307962A1

Abstract

The invention discloses smoking product (2,42) comprising: there is (6) and the combustible heat source (4) of (8) below before opposite；The aerosol in (8) downstream forms matrix (10) behind combustible heat source (4)；And overlay on combustible heat source (4) rear portion and aerosol formed matrix (10) at least front on single heat-conduction component (36).Single heat-conduction component (36) includes one or more layers of a thermally conductive material, and one or more layers of a thermally conductive material and combustible heat source (4) and aerosol formation matrix (10) are radially spaced-apart.Combustible heat source (4) is closing combustible heat source, or combustible heat source (4) is not close combustible heat source, and smoking product (42) further includes not closing the non-flammable substantially air impermeable block piece (46) between combustible heat source and one or more airflow channels (44), and one or more of airflow channels (44) are never closed to be extended to below (8) before combustible heat source (6).Single heat-conduction component includes the outer layer of heat conducting material, visible on the outside of smoking product.

Description

The smoking product of heat-conduction component with single radial separation

Technical field

The present invention relates to include combustible heat source, aerosol formed matrix and single heat-conduction component smoking product, it is described can Firing heat source has opposite front and back, and the aerosol forms matrix in the Later downstream of combustible heat source, and the single heat passes Guiding element overlays on the rear portion of combustible heat source and aerosol is formed on at least front of matrix.

Background technique

The tobacco that this field has been proposed in which is heated and on-fuel a variety of smoking products.This ' heating ' smoking system The purpose is to reduce harmful cigarettes of known type caused by the burning and thermal degradation by the tobacco in conventional cigarette by one of product Gas ingredient.In a kind of smoking product of the heating of known type, the heat by forming matrix from combustible heat source to aerosol is transmitted Generate aerosol.Aerosol forms matrix can be in combustible heat source, around combustible heat source or combustible heat source downstream.During smoking, Volatile compound is formed matrix release and be entrained in by the heat transmitting from combustible heat source from aerosol is drawn through suction In the air of tobacco product.As the compound discharged is cooling, compound condensation is to form the aerosol sucked by user.It is logical Often, air is made to be inhaled into this known smoking heated by passing through one or more airflow channels of combustible heat source setting In product, realize that the heat that matrix is formed from combustible heat source to aerosol is transmitted by forced convertion and conduction.

For example, WO-A2-2009/022232 discloses smoking product comprising combustible heat source, combustible heat source downstream gas Mist forms matrix and surrounds and directly contact the heat biography at the rear portion of combustible heat source and the adjacent front of aerosol formation matrix Guiding element.

The heat that heat-conduction component in the smoking product of WO-A2-2009/022232 will generate during combustible heat source is burnt Aerosol, which is transferred to, by conduction forms matrix.In the smoking product that wherein tobacco is heated rather than burns, aerosol is formed The temperature realized in matrix, which has the ability for generating sensuously acceptable aerosol, to be significantly affected.It is generally desirable to form aerosol The temperature of matrix is maintained within a certain range, to optimize the aerosol delivery to user.In some cases, from surrounding and 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 The temperature for forming matrix with aerosol drops to outside required range, thus influences the performance of smoking product.If aerosol forms matrix Temperature drop too low, then for example it can negatively affect the consistency and amount for being delivered to the aerosol of user.

EP-A1-2 550 879 is disclosed including multilayer pipe component 9, carbon heat sources 4 and smog Flavor release source 8 and bracket The smoking product of part 14, the multilayer pipe component 9 include at least one metal layer and a paper layer, and the carbon heat sources 4 are arranged The inner surface of pipe component 9,8 cloth of smog Flavor release source are at least partly directly in close contact in the end of pipe component 9 It sets to abut carbon heat sources 4 in pipe component 9, the holder part 14 makes carbon heat sources 4 keep directly contacting the end and is directed to The end supports carbon heat sources 4.

In the embodiment shown in fig. 1, non-combustible packaging material 9 by make three layers of composite sheet 16 be bonded to two layers it is compound The outside of piece 15 and formed.Holder part 14 is formed from the part of two layers of composite sheet, 15 outstanding three layers of composite sheet 16.In Fig. 2 Shown, two layers composite sheet 15 includes internal aluminium layer 17 and external paper layer 18, and three layers of composite sheet 16 include internal paper layer 18, in Entreat aluminium layer 17 and external paper layer 18.The innermost layer of non-combustible packing material 9 is the aluminium layer 17 of two layers of composite sheet 15, and non-combustible packet The outermost layer of dress object 8 is the external paper layer 18 of three layers of composite sheet 16.

In the smoking product of some heating, in addition to the conductive heat transfer via heat-conduction component, additionally provide from Combustible heat source forms the forced convertion heat transmitting of matrix to aerosol.For example, in the smoking product of some known heating, edge Combustible heat source provides one or more airflow channels, and the forced convertion heating of matrix is formed in order to provide aerosol.In such smoking In product, aerosol forms matrix and is heated by the combination that conduction heating and forced convertion are heated.

For example, WO-A2-2009/022232 discloses at least one longitudinal air flow path provided across combustible heat source, with The forced convertion heating that aerosol forms the control amount of matrix is provided.

In the smoking product of known heating, wherein the heat transmitting for forming matrix from combustible heat source to aerosol mainly passes through Forced convertion occurs, and the temperature which transmits and aerosol thus is formed in matrix can be according to the single port of user Suction (puffing) acts and sizable variation occurs.Therefore, the mainstream generated by the smoking product of this known heating The composition of aerosol and organoleptic attribute thus can be the single port aspiration phases of user adversely super-sensitive.

Particularly, include along the smoking product of the known heating of one or more airflow channels of combustible heat source, By being drawn through direct between the air and combustible heat source of one or more airflow channels during the suction of user's single port Contact leads to the excitation of the burning of combustible heat source.Therefore strong single port aspiration phases can lead to sufficiently high forced convertion heat and pass It passs, is uprushed with the temperature for causing aerosol to form matrix, so that disadvantageously resulting in aerosol forms the pyrolysis of matrix and even latent Partial combustion.As used herein, term ' uprushing ' is used to describe the of short duration raising for the temperature that aerosol forms matrix. Therefore, the water of the undesirable pyrolysis in the mainstream aerosol that the smoking product of this known heating generates and combustion by-products Equal the specific single port aspiration phases that may be taken also according to user and adversely significant changes.

In the smoking product of other heating, it is not provided through the airflow channel of combustible heat source.In the smoking of such heating In product, the heating that aerosol forms matrix is mainly realized by the conductive heat transfer via heat-conduction component.Gas wherein Mist forms matrix and mainly passes through in the smoking product for the heating that conductive heat transfer is heated, and the temperature that aerosol forms matrix can To become more sensitive to the variation of the temperature of heat-conduction component.This means that forming matrix with wherein aerosol also passes through forced convertion The smoking product of the heating of heat transmitting heating compares, due to the heat transfer of the radiation heat loss in the smoking product of such heating Any cooling of element, which can generate aerosol, has bigger influence, and the heat-conduction component surrounds and directly contacts flammable heat Source and aerosol form matrix.

It will be intended to provide the smoking product that the heating of matrix is formed including combustible heat source and aerosol, the combustible heat source has Opposite front and back, the aerosol form matrix in the Later downstream of combustible heat source, provide improved smoking performance.It is special Not, it would be desirable to the smoking product of heating is provided, wherein there are aerosol formed matrix heating control improvement, so as to help by The temperature that aerosol forms matrix maintains within the scope of required temperature during smoking.

Summary of the invention

It is provided according to the present invention including following smoking products: the combustible heat source with opposite front and back；? The aerosol of the Later downstream of combustible heat source forms matrix；And overlay on combustible heat source rear portion and aerosol formed matrix at least before Single heat-conduction component in portion.Single heat-conduction component includes one or more layers of a thermally conductive material, and one or more Layer of a thermally conductive material and combustible heat source and aerosol formation matrix are radially spaced-apart.Combustible heat source is closing combustible heat source or flammable heat Source is not close combustible heat source, and smoking product further includes not closing between combustible heat source and one or more airflow channels Non-flammable substantially air impermeable block piece, one or more of airflow channels, which are never closed before combustible heat source, to be prolonged It reaches below.Single heat-conduction component includes the outer layer of heat conducting material, visible on the outside of smoking product.

As used herein, term ' remote ', ' upstream ' and ' preceding ', and ' close ', ' downstream ' and it is ' rear ' for describe smoking The side that each component of product or each section of component are aspirated on smoking product during the use of smoking product about user To relative position.Smoking product according to the present invention includes proximal end, and in use, by the proximal end, aerosol leaves smoking product For delivery to user.The proximal end of smoking product may be additionally referred to as mouth end.In use, user is in the close of smoking product It is aspirated on end, to suck the aerosol generated by smoking product.

Combustible heat source is at or adjacent in distal end.Mouth end is in distal downstream.Proximal end may be additionally referred to as smoking system The downstream end of product, and distal end may be additionally referred to as the upstream end thereof of smoking product.Each portion of smoking product according to the present invention Each section of part or component can based on its smoking product proximally and distally between relative position, be described as on mutual Trip or downstream.

Before combustible heat source at the upstream end thereof of combustible heat source.The upstream end thereof of combustible heat source is that combustible heat source is farthest The end of proximal end from smoking product.Behind combustible heat source at the downstream end of combustible heat source.The downstream of combustible heat source Portion is end of the combustible heat source closest to the proximal end of smoking product.

As used herein, term ' length ' is for describing the full-size on the longitudinal direction of smoking product.That is, The full-size on direction between the proximal end of smoking product and opposite distal end.

As used herein, term ' aerosol formation matrix ' can form waving for aerosol for describing to discharge when heated The matrix of hair property compound.It can be visible or not for forming the aerosol that matrix generates from the aerosol of smoking product according to the present invention It is visible, and may include steam (being usually at room temperature liquid or solid for example, in gaseous thin particulate matter) with And the drop of gas and condensed steam.

As used herein, term " radially spaced-apart " is used to indicate one or more heat transfer of single heat-conduction component Material layer forms both matrix with combustible heat source and aerosol in radial directions and is spaced apart, so that the one of single heat-conduction component A or multiple layers of a thermally conductive material and combustible heat source or aerosol are formed to be not present between matrix and directly be contacted.

As used herein, it hangs down in the direction that term ' radial direction ' is used to describe between the proximal end and opposite proximal end of smoking product Straight direction.

As used herein, term ' directly contact ' is for meaning without any intermediate materials connecing between the two parts Touching, so that the surface of component touches one another.

Aerosol forms the form of molded part or section that matrix can be taken by packing material limitation, and the molded part or section include energy Enough release when heated can form the material of the volatile compound of aerosol.Such molded part or section are taken when aerosol forms matrix Form when, entire molded part or section including packing material be considered as aerosol formed matrix.

In such embodiments, one or more layers of a thermally conductive material of single heat-conduction component and aerosol form matrix Packing material is radially spaced-apart.

Smoking product according to the present invention includes that the rear portion for overlaying on combustible heat source and aerosol are formed on at least front of matrix Single heat-conduction component.Single heat-conduction component includes one or more layers of a thermally conductive material, and one or more heat pass It leads material layer and combustible heat source and aerosol formation matrix is radially spaced-apart.

Smoking product according to the present invention does not include that any other heat under or over single heat-conduction component passes Guiding element.Particularly, smoking product according to the present invention does not include surrounding and directly contacting combustible heat source and aerosol formation matrix One or both of any heat-conduction component.

Smoking product according to the present invention may include closing combustible heat source or not close combustible heat source.

As used herein, term is ' closed ' extends to below for describing wherein to be not present before combustible heat source Any airflow channel combustible heat source.

In use, the smoking product according to the present invention including closing combustible heat source is drawn through to be used for by user The air of sucking is not passed through any airflow channel along closing combustible heat source.It is including the according to the present invention of closing combustible heat source In smoking product, the heating that aerosol forms matrix is mainly occurred by conduction, and forms base by the aerosol of forced convertion The heating of matter is minimized or mitigates.

As used herein, term ' airflow channel ' is used to describe along the channel that the length of combustible heat source extends, and air can It is aspirated by the channel downstream for being sucked by user.

As used herein, term is not ' closed ' extends to below for describing wherein to exist before combustible heat source One or more airflow channels combustible heat source.

In use, the smoking product according to the present invention including not closing combustible heat source is drawn through to be used for by using The air of person's sucking is passed through along the one or more airflow channels for not closing combustible heat source.It is including the root for not closing combustible heat source According in smoking product of the invention, the heating that aerosol forms matrix is occurred by conduction and forced convertion.

Smoking product according to the present invention including not closing combustible heat source further includes not closing combustible heat source and one Or the non-flammable substantially air impermeable block piece between multiple airflow channels, one or more of airflow channels never seal It closes before combustible heat source and extends to below.

As used herein, term is ' non-combustible ' for describing during not closing the burning of combustible heat source and lighting by not Close substantially non-flammable block piece at a temperature of combustible heat source is realized.

It is logical by any air-flow for closing combustible heat source when smoking product according to the present invention includes closing combustible heat source The shortage in road is advantageously essentially prevented or prevents closing combustible heat source in the excitation by the burning during the suction of user's single port.

Similarly, when smoking product according to the present invention include do not close combustible heat source when, do not close combustible heat source and Include between one or more airflow channels (it is never closed extends to below before combustible heat source) it is non-flammable substantially Air-locked block piece is advantageously essentially prevented or prevents not closing combustible heat source by the combustion during the suction of user's single port The excitation of burning.

Prevent or prevent combustible heat source from being advantageously essentially prevented in the excitation by the burning during the suction of user's single port Or it prevents from forming uprushing for the temperature of matrix in the aerosol by the smoking product according to the present invention during the suction of user's single port.

By preventing or prevent the excitation of the burning of combustible heat source, and thus prevent or prevent aerosol from from forming the mistake of matrix The temperature of degree increases, it may be advantageous to avoid the aerosol of smoking product according to the present invention from forming matrix and aspirate shape in strong single port Burning or pyrolysis under state.In addition, the single port aspiration phases of user are to the mainstream aerosol of smoking product according to the present invention The influence of composition advantageously can be minimized or be mitigated.

Single heat-conduction component overlays on the rear portion of combustible heat source and aerosol is formed on at least front of matrix.

The one or more layers of a thermally conductive material and combustible heat source and aerosol of single heat-conduction component form matrix and radially divide It opens.This is limited from combustible heat source to the conductive heat transfer of single heat-conduction component, and from single heat-conduction component to aerosol Form the conductive heat transfer of matrix.In use, this advantageously helps the aerosol by smoking product according to the present invention to be formed The temperature obtained in matrix maintains its lower temperature that burning or pyrolysis that aerosol forms matrix can occur or less.

Preferably, the heat transmitting by conduction from combustible heat source to single heat-conduction component substantially reduces.This leads to root The heat-conduction component of the known smoking product heated is kept below according to the single heat-conduction component of smoking product of the invention Temperature, in the smoking product of the known heating, heat-conduction component surround and directly contact combustible heat source rear portion it is gentle At least front of mist formation matrix.

It is surrounded in wherein heat-conduction component and directly contacts the rear portion of combustible heat source and at least front of aerosol formation matrix Heating smoking product in, the heat loss generated via heat-conduction component by conductive heat transfer significantly reduces combustible heat source Rear portion temperature.This can shorten the burning life of combustible heat source and can lead to unacceptable aerosol delivery.

Single heat-conduction component one or more layers of a thermally conductive material and smoking product according to the present invention it is flammable Radially spaced-apart advantageously reduce that heat source and aerosol are formed between matrix passes through conductive heat transfer via single heat-conduction component The heat loss of generation.

Single heat-conduction component advantageously reduces the heat loss of combustible heat source.When generating heat by combustible heat source, individually One or more layers of a thermally conductive material of heat-conduction component increase the temperature during the suction of smoking product.Single heat transfer member The temperature of one or more layers of a thermally conductive material of part increase the combustible heat source for reducing smoking product and on cover temperature between component It is poor to spend, so that the heat loss from combustible heat source can reduce.

By reducing the heat loss from combustible heat source, single heat-conduction component advantageously helps aerosol forming matrix Temperature maintains within the scope of required temperature.This improves generates from the aerosol that aerosol forms matrix.

One or more layers of a thermally conductive material of single heat-conduction component conduct heat along smoking product.This improves from flammable heat Source forms the efficiency of the conductive heat transfer of matrix to aerosol, and therefore aerosol forms the heating of matrix.By including single The improvement in conductive heat transfer that heat-conduction component is realized is for including the smoking system according to the present invention for closing combustible heat source Product are particularly advantageous, and the transmitting of forced convertion heat is substantially absent in the closing combustible heat source.

The one or more layers of a thermally conductive material and combustible heat source and aerosol of single heat-conduction component are formed between matrix It is radially spaced-apart, preferably formed by one or more layers of a thermally conductive material in single heat-conduction component with combustible heat source and aerosol It include one or more intermediate layer of material between matrix to realize.One or more intermediate layer of material can single heat transfer wherein It is provided in the whole region that element overlays on combustible heat source and aerosol is formed in matrix.Alternatively, one or more intermediate materials Layer can provide in the only one or multiple portions in the region.In some embodiments, in one of updrift side and downstream direction Or both in, the extensible one or more heat conducting materials beyond single heat-conduction component of one or more intermediate layer of material Layer.

Preferably, one or more layers of a thermally conductive material of single heat-conduction component pass through one or more insulation material layers It is radially spaced-apart that matrix is formed with combustible heat source and aerosol.Suitable heat-insulating material includes but is not limited to paper, ceramics and metal oxidation Object.

For example, in certain preferred embodiments of the invention, the rear portion for the combustible heat source covered on single heat-conduction component At least front for forming matrix with aerosol is covered by paper wrapper object, and at least part of the paper wrapper object along its length is around suction Tobacco product.In such embodiments, paper wrapper object makes single heat-conduction component and combustible heat source and aerosol form matrix radial direction point It opens, so that single heat-conduction component and combustible heat source or aerosol are formed between matrix, there is no directly contact.

Single heat-conduction component includes the outer layer for the heat conducting material being arranged on the outside of smoking product, so that single heat The outer layer of the heat conducting material of transport element is visible on the outside of smoking product.

In certain embodiments, one or more layers of a thermally conductive material of single heat-conduction component by packing material with it is flammable Heat source and aerosol formation matrix are radially spaced-apart, and the packing material extends along the completely or only part of smoking product.In such implementation In example, packing material is formed on matrix in combustible heat source and aerosol and is wrapped in around smoking product, and single heat-conduction component It is subsequently located at least part of packing material.

Single offer of the heat-conduction component on the packing material of smoking product can provide and smoking product according to the present invention The related benefit of appearance, especially during and after its smoking.In some cases, when packing material is exposed to from flammable When the heat of heat source, some decolorations of the packing material in the region of combustible heat source can be observed.Packing material can be additionally, due to volatilization Property compound from aerosol formed matrix move to aerosol formed matrix around and downstream packing material in and decolourize.In certain implementations In example, the single heat-conduction component of smoking product according to the present invention can provide on packing material, and the packing material is around flammable At least rear portion of heat source and aerosol form at least front of matrix so that the decoloration of packing material be it is hiding and no longer visible or compared with It is invisible.In certain embodiments, the whole length that single heat-conduction component can form matrix around aerosol extends.Certain excellent It selects in embodiment, single heat-conduction component can downstream extend beyond aerosol and form matrix.The initial appearance of smoking product is therefore It can be retained during smoking.

One or more layers of a thermally conductive material and combustible heat source and aerosol for single heat-conduction component formed matrix it Between one or more insulation material layers alternatively or additionally, single heat-conduction component can at least partly pass through air-gap It is radially spaced-apart that matrix is formed with combustible heat source and aerosol.Air-gap can be passed by the one or more heat in single heat-conduction component It leads material layer and combustible heat source and aerosol is formed between matrix and provided including one or more spacer elements, to maintain The restriction that single heat-conduction component is formed between matrix with combustible heat source and aerosol separates.One or more spacer elements can be Such as one or more paper slips of matrix package are formed radially around combustible heat source and aerosol.

Preferably, the one or more layers of a thermally conductive material Yu combustible heat source of single heat-conduction component and aerosol form matrix Radially spaced-apart at least 20 microns, more preferably at least 50 microns.In certain embodiments, the one or more of single heat-conduction component Layer of a thermally conductive material and combustible heat source and aerosol form radially spaced-apart at least 75 microns or more of matrix, or at least 100 microns Or more.

When one or more insulation material layers as described above are in one or more heat conducting materials of single heat-conduction component Layer is formed between matrix combustible heat source and aerosol when providing, one or more layers of a thermally conductive material of single heat-conduction component with What combustible heat source and aerosol formed between matrix radially spaced-apart will be determined by the thickness of one or more insulation material layers.

One or more layers of a thermally conductive material of single heat-conduction component may include have appropriate thermal conductivity any suitable Heat conducting material or material combination.

Preferably, one or more layers of a thermally conductive material of single heat-conduction component include heat conducting material, are had such as Using modified transient state flat heat source (MTPS) method measure, 23 DEG C and 50% relative humidity under about 10 watts every meter open Family name's degree (W/ (mK)) is to 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)) To the bulk thermal conductivity of about 400 watts of every meter of degree Kelvins (W/ (mK)).Suitable heat conducting material includes but is not limited to: metal foil Packing material, such as In Aluminium Foil Packing object, steel packing material, iron foil packing material and copper foil packing material；And metal alloy foil packing material.

In certain preferred embodiments, single heat-conduction component includes one or more aluminium layers.

Preferably, one or more layers of a thermally conductive material of single heat-conduction component include heat-reflecting material, such as aluminium or Steel.In such embodiments, in use, single heat-conduction component will form the heat radiation of matrix from combustible heat source and aerosol It is advantageously reflected back combustible heat source and aerosol forms matrix.

As used herein, term ' heat-reflecting material ' refers to relatively high heat reflectivity and relatively low thermal emissivity Material so that material reflectivity it emit greater proportion the incident radiation from its surface.Preferably, heat-reflecting material Reflection be more than 50% incident radiation, more preferably above 70% incident radiation and most preferably more than 75% incident radiation.

In such embodiments, the relatively high heat reflectivity of single heat-conduction component and relatively low thermal emissivity reduce The heat loss of matrix is formed from combustible heat source and aerosol.

The reflectivity of one or more layers of a thermally conductive material of single heat-conduction component can have table in light by providing One or more layers of a thermally conductive material of the single heat-conduction component in face are improved, wherein inner surface be in face of combustible heat source and The surface of aerosol formation matrix.

Single heat-conduction component can be formed by single layer of a thermally conductive material.Alternatively, single heat-conduction component can be by more Layer or laminated material are formed, and the multilayer or laminated material include and other one or more heat conduction layers or non-thermal conductivity layer group At least one layer of a thermally conductive material closed.In such embodiments, at least one layer of a thermally conductive material may include listed above Any one of heat conducting material.

In certain preferred embodiments, single heat-conduction component can be formed by laminated material, and the laminated material includes extremely A few layer of a thermally conductive material and at least one insulation material layer.In such embodiments, it is formed in face of combustible heat source and aerosol The internal layer of the single heat-conduction component of matrix can be insulation material layer.In this way, the internal layer of heat-insulating material provides individually At least one layer of a thermally conductive material and combustible heat source and aerosol of heat-conduction component form required radially spaced-apart between matrix.

In certain preferred embodiments, single heat-conduction component includes single layer of a thermally conductive material.

In certain preferred embodiments, single heat-conduction component is exhausted comprising single layer of a thermally conductive material and one or more The laminated material of hot material layer.In certain particularly preferred embodiments, single heat-conduction component is comprising single heat transfer material The laminated material of the bed of material and single insulation material layer.Preferably, single heat-conduction component is comprising single heat conducting material outer layer With the laminated material of single heat-insulating material internal layer.

An example for being used to form the specially suitable laminated material of single heat-conduction component is comprising aluminium outer layer and paper The twin-layered laminate of internal layer.

The use of single heat-conduction component comprising laminated material can during the production of smoking product according to the present invention Can be in addition it is advantageous because at least one heat insulation layer can provide additional intensity and rigidity.This allows laminated material to be easier Processing, with the dangerous reduction for collapsing or being broken of at least one heat conduction layer, at least one described heat conduction layer may be phase To thin and fragile.

Preferably, single heat-conduction component is micro- with a thickness of about 5 microns to about 100 microns, more preferably from about 5 microns to about 80 Rice.

Preferably, single heat-conduction component includes one or more layers of a thermally conductive material, micro- with about 2 microns to about 50 Rice, more preferably from about 4 microns to about 30 microns of thickness.

In certain embodiments, single heat-conduction component may include the aluminium foil with about 20 micron thickness.

In certain preferred embodiments, single heat-conduction component may include laminated material, it includes have about 5 microns to about The aluminium outer layer and paper internal layer of 6 micron thickness.

As described above, the single heat-conduction component of smoking product according to the present invention overlays on rear portion and the aerosol of combustible heat source It is formed on at least front of matrix.

Single heat-conduction component forms the position of matrix and degree relative to combustible heat source and aerosol and can be adjusted, so as to Control the heating that the aerosol during smoking forms matrix.Particularly, in updrift side and downstream direction, single heat transfer member Part can be adjusted relative to the degree that combustible heat source and aerosol form matrix, so that the aerosol delivery for adjusting smoking product is general Condition.

Single heat-conduction component can extend around all or part of of smoking product perimeter.Preferably, single heat transfer member Part forms continuous sleeve, partially surrounds smoking product along smoking product length.

It preferably, is length about 2mm to about 8mm by the rear portion for the combustible heat source covered on single heat-conduction component, more preferable Length about 3mm to about 5mm.

It preferably, is length about 4mm to about 15mm not by the front for the combustible heat source covered on single heat-conduction component, more excellent Select length about 5mm to about 8mm.

In certain embodiments, single heat-conduction component overlays on aerosol and is formed in the whole length of matrix.In such implementation In example, the downstream end that the downstream end of single heat-conduction component can form matrix with aerosol is aligned.Alternatively, single heat passes Guiding element can extend above aerosol in downstream side and form matrix.

In other embodiments, single heat-conduction component only overlays on aerosol and is formed on the front of matrix.In such embodiment In, aerosol forms matrix and extends above single heat-conduction component in downstream side.

In the embodiment that wherein single heat-conduction component only overlays on the front that aerosol forms matrix, aerosol forms matrix Single heat-conduction component at least about 3mm can be extended above in downstream side.For example, aerosol formation matrix can be on downstream direction Extend beyond single heat-conduction component about 3mm to about 10mm.Alternatively, aerosol formation matrix can upwardly extend super in downstream side Single heat-conduction component is less than 3mm out.

In the embodiment that wherein single heat-conduction component only overlays on the front that aerosol forms matrix, by single heat transfer The front that the aerosol covered on element forms matrix can be length about 1mm to about 10mm.For example, by covering on single heat-conduction component The front that aerosol forms matrix can be length about 2mm to about 8mm or length about 2mm to about 6mm.

Smoking product according to the present invention may include closing combustible heat source.

Known includes additive in the combustible heat source of the smoking product of heating, to improve lighting and firing for combustible heat source Burn characteristic.However, including lighting to can produce decomposition and reaction product with combustion additive, in the smoking system of this known heating During the use of product, the decomposition and reaction product can be adversely into being drawn through its air.

Including closing combustible heat source advantageously can be essentially prevented or prevent closing combustible heat source light and main combustion period Between the burning that is formed and decomposition product and other materials enter and be sucked during the use of smoking product according to the present invention Pass through its air.When closing combustible heat source includes one or more additives to help to close lighting or burning for combustible heat source When, this is particularly advantageous.

Include closing combustible heat source smoking product according to the present invention in, particularly importantly optimize combustible heat source and Aerosol forms the conductive heat transfer between matrix.It has been found that forming the radially spaced-apart single heat of matrix with combustible heat source and aerosol Transport element include to include closed heat smoking product smoking performance have the function of it is particularly advantageous, including close There is any heating for seldom forming matrix by the aerosol of forced convertion (if any) in the smoking product of heat source.

It should be appreciated that smoking product according to the present invention may include closing combustible heat source, which includes one The access of a or multiple closings or obstruction, air cannot be sucked by the access closed or blocked for being sucked by user.

For example, smoking product according to the present invention may include closing combustible heat source, which includes from closing Length before the upstream end thereof of combustible heat source along closing combustible heat source extends one or more closed access of only a part.

The table for being exposed to the oxygen from air of closing combustible heat source is increased including one or more occluded air accesses Face area, and can advantageously facilitate closing combustible heat source light and sustained combustion.

Alternatively, smoking product according to the present invention may include not closing combustible heat source, wherein existing never, closing can Subsequent one or more airflow channels are extended to before combustion heat source.

One or more airflow channels may include one or more closed airflow channels.

As used herein, term is ' closed ' for describing to extend through the inside for not closing combustible heat source and by not closing The airflow channel that combustible heat source is surrounded.

Alternatively or additionally, one or more airflow channels may include one or more unsealed airflow channels. For example, one or more airflow channels may include along the external one or more grooves extended for not closing combustible heat source or its His unsealed airflow channel.

One or more airflow channels may include that one or more closed airflow channels or one or more are non-closed Airflow channel or combinations thereof.

In certain embodiments, smoking product according to the present invention includes never closing to extend to not before combustible heat source Close the subsequent one, two or three airflow channel of combustible heat source.

In certain preferred embodiments, smoking product according to the present invention includes never closing to extend before combustible heat source To the subsequent single airflow channel for not closing combustible heat source.

In certain particularly preferred embodiments, smoking product according to the present invention includes before never closing combustible heat source Face extends to the subsequent single substantially center for not closing combustible heat source or the airflow channel of axial direction.

In such embodiments, the diameter of single airflow channel is preferably from about 1.5mm to about 3mm.

It should be understood that in addition to one or more airflow channels that air can be sucked for user's sucking by it, root It may include not closing combustible heat source according to smoking product of the invention, it includes one or more closings or resistance that this, which does not close combustible heat source, The access of plug, air cannot be sucked by the access closed or blocked for being sucked by user.

For example, smoking product according to the present invention may include not closing combustible heat source, this do not close combustible heat source include from Subsequent one or more airflow channels of combustible heat source are extended to before combustible heat source and never close combustible heat source Front extends one or more closed access of only a part along the length of combustible heat source.

Increase including one or more occluded air accesses the oxygen from air that is exposed to for not closing combustible heat source Surface area, and can advantageously facilitate do not close combustible heat source light and sustained combustion.

Do not close combustible heat source and one or more airflow channels (it is never closed extended to before combustible heat source after Face) between include non-flammable substantially air impermeable block piece, it may be advantageous to be essentially prevented or prevent when the sky that be sucked When gas is by one or more airflow channels, in the burning lighted and formed during burn for not closing combustible heat source and production is decomposed Object enters through the air that one or more airflow channels are drawn into smoking product.When do not close combustible heat source include it is a kind of or To help not close when lighting or burning of combustible heat source, this is particularly advantageous multiple additives.

It can be bonded or otherwise not closing the block piece between combustible heat source and one or more airflow channel It is fixed to and does not close combustible heat source.

In certain preferred embodiments, block piece include be arranged on the inner surface of one or more airflow channels can not The substantially air impermeable barrier coat of combustion.In such embodiments, preferably block piece includes being arranged in one or more gas Barrier coat on at least substantially entire inner surface of circulation road.It is highly preferred that block piece includes being arranged in one or more Barrier coat on the entire inner surface of airflow channel.

As used herein, term ' coating ' is used for the material layer for describing to cover and be bonded to combustible heat source.

In other embodiments, barrier coat can be provided by the way that lining to be inserted into one or more airflow channels.Example Such as, when one or more airflow channels include the one or more closed air-flows for extending through the inside for not closing combustible heat source When channel, it is respectively interior that non-flammable substantially air impermeable hollow tube can be inserted into one or more airflow channels.

According to the required feature and performance of smoking product, block piece can have low heat conductivity or high thermal conductivity.Preferably, it hinders 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 There can be about 30 microns to about 200 microns of thickness.In a preferred embodiment, block piece has about 30 microns to about 100 The thickness of micron.

Block piece can be formed by one or more suitable materials, and the material is during lighting and burning by do not close can It is substantially heat-staple and non-flammable for firing at a temperature of heat source obtains.Suitable material is known in the art, and is wrapped It includes but is not limited to for example: clay；Metal oxide, such as iron oxide, aluminium oxide, titanium dioxide, silica, silica-oxidation Aluminium, zirconium oxide and cerium oxide；Zeolite；Basic zirconium phosphate；And other ceramic materials or combinations thereof.

The preferred material that block piece can be formed includes clay, glass, aluminium, iron oxide and combinations thereof.If desired, can will urge Chemical conversion point, for example promote to be integrated to Oxidation of Carbon Monoxide in block piece at the ingredient of carbon dioxide.It is appropriate to be catalyzed into subpackage It includes but is not limited to, such as platinum, palladium, transition-metals and their oxides.

In the case where block piece includes the barrier coat on the inner surface that one or more airflow channels are arranged in, can lead to Any method appropriate is crossed, for example in US-A-5, barrier coat is applied to one or more by method described in 040,551 The inner surface of airflow channel.For example, the inner surface of one or more airflow channels can utilize the solution or suspension of barrier coat It sprayed, soaked or coating.In certain preferred embodiments, pass through WO-A2-2009/ when combustible heat source is extruded Barrier coat is applied to the inner surface of one or more airflow channels by process described in 074870.

Smoking product according to the present invention may additionally include behind combustible heat source aerosol formed matrix between can not The substantially air impermeable block piece of combustion.

When smoking product according to the present invention includes not closing combustible heat source to be formed with behind combustible heat source with aerosol When non-flammable substantially air impermeable block piece between matrix, before block piece should allow by never closing combustible heat source Face extends to the air downstream that subsequent one or more airflow channels enter smoking product and is aspirated through smoking product.

Block piece can abut behind combustible heat source and aerosol forms one or both of matrix.Alternatively, block piece can It forms one or both of matrix with aerosol with behind combustible heat source and is spaced apart.

Block piece, which can be bonded or is otherwise fixed to behind combustible heat source, forms one of matrix or two with aerosol Person.

In certain preferred embodiments, block piece include be arranged on behind combustible heat source it is non-flammable substantially not Ventilative barrier coat.In such embodiments, preferably block piece includes combustible heat source is arranged at least substantially entire Barrier coat below.It is highly preferred that block piece includes the barrier coat being arranged on the entire back of combustible heat source.

Block piece can advantageously limit aerosol and form matrix temperature exposed during the lighting and burn of combustible heat source, And thermal degradation or burning that aerosol forms matrix are therefore helped to avoid or mitigated during the use of smoking product.This is flammable Heat source is particularly advantageous in the case where including one or more additives to help the lighting of combustible heat source.

In order to promote aerosol to be formed, the aerosol of the smoking product of heating formed matrix generally comprise polyhydric alcohols such as glycerol or Other known aerosol agents.During storage and smoking, such aerosol agents can be from the smoking product of known heating Aerosol formed matrix move to its combustible heat source.The combustible heat source of smoking product of aerosol agents to known heating is moved The decomposition that can disadvantageously result in aerosol agents is moved, especially during the smoking of the smoking product of heating.

It is formed between matrix with aerosol including non-flammable behind the combustible heat source of smoking product according to the present invention Substantially air impermeable block piece advantageously can be essentially prevented or prevent during the storage of smoking product, and aerosol forms matrix Component migrate to combustible heat source.

Alternatively or additionally, matrix is formed with aerosol behind the combustible heat source of smoking product according to the present invention Between include non-flammable substantially air impermeable block piece advantageously can be essentially prevented or prevent the use in smoking product Period, the component that aerosol forms matrix are migrated to combustible heat source.

When aerosol, which forms matrix, includes at least one aerosol agents, behind combustible heat source and aerosol forms matrix Between include non-flammable substantially air impermeable block piece be particularly advantageous.

In such embodiments, behind the combustible heat source of smoking product according to the present invention and aerosol formed matrix it Between include non-flammable substantially air impermeable block piece advantageously can prevent or prevent storage and validity period in smoking product Between, at least one aerosol agents form matrix from aerosol and migrate to combustible heat source.During the use of smoking product, at least one Therefore the decomposition of kind aerosol agents advantageously can be substantially avoided or reduce.

According to the required feature and performance of smoking product, behind combustible heat source aerosol formed matrix between can not The substantially air impermeable block piece of combustion can have low heat conductivity or high thermal conductivity.In certain embodiments, block piece is by following Material is formed, and this material has as using the measurement of modified transient state flat heat source (MTPS) method, at 23 DEG C and 50% The entirety of about 0.1 watt of every meter of degree Kelvin (W/ (mK)) to about 200 watts of every meter of degree Kelvins (W/ (mK)) under relative humidity is led Heating rate.

The thickness of block piece can be suitably adjusted to obtain good smoking performance.In certain embodiments, block piece There can be about 10 microns to about 500 microns of thickness.

Block piece can be formed by one or more suitable materials, and the material is during lighting and burning by combustible heat source It is substantially heat-staple and non-flammable at a temperature of obtaining.Suitable material is known in the art, and including but not It is limited to clay (such as bentonite and kaolinite), glass, minerals, ceramic material, resin, metal and combinations thereof.

The preferred material that block piece can be formed includes clay and glass.The preferred material that block piece can be formed includes Copper, aluminium, stainless steel, alloy, aluminium oxide (Al₂O₃), resin and mineral rubber.

In certain preferred embodiments, block piece includes the clay coating being set on behind combustible heat source, described viscous Native coating includes bentonite and kaolinic 50/50 mixture.In other preferred embodiments, block piece is flammable including being set to Glass coating on behind heat source, more preferable sintered glass coating.

In certain particularly preferred embodiments, block piece includes the aluminized coating being set on behind combustible heat source.

Preferably, block piece has at least about 10 microns of thickness.

It include the clay coating being set on behind combustible heat source in wherein block piece due to the slight gas permeability of clay Embodiment in, clay coating more preferably has at least about 50 microns, most preferably from about 50 microns to about 350 microns of thickness.

In the embodiment that block piece is formed by more air-locked one or more materials (such as aluminium) wherein, block piece can It is thinner, and generally preferably there is the thickness less than about 100 microns, even more preferably about 20 microns.

In the embodiment that wherein block piece includes the glass coating being set on behind combustible heat source, glass coating is excellent Select the thickness having less than about 200 microns.

Microscope, scanning electron microscope (SEM) or any other conjunction known in the art can be used in the thickness of block piece Suitable measurement method measures.

When block piece includes the barrier coat being set on behind combustible heat source, barrier coat can be by this field Any suitable method for knowing applies to cover and be adhered to combustible heat source behind, the method includes but be not limited to spray, Vapor deposition, dipping, material transfer (such as brushing or glued), electrostatic precipitation or any combination thereof.

For example, barrier coat can be made in the following way: block piece is to approach the subsequent size and shape of combustible heat source Shape is pre-formed, and the block piece is applied to behind combustible heat source to cover and be adhered to combustible heat source at least substantially Behind entire.Alternatively, after barrier coat is applied to behind combustible heat source, machinable or the machining blocking Coating.In a preferred embodiment, by aluminium foil is glued or aluminium foil is applied to combustible heat source and be pressed into combustible heat source Behind, and cut or be machined the aluminium foil so that the aluminium foil covers and is adhered to combustible heat source at least substantially Entire back preferably covers and is adhered to the entire back of combustible heat source.

In a further advantageous embodiment, by applying the solution of one or more suitable coating materials or suspended substance To combustible heat source, to form barrier coat.For example, can be by the way that one or more conjunctions will be immersed behind combustible heat source In the solution or suspended substance of suitable coating material, or by brushing or being sprayed into behind combustible heat source by solution or suspended substance It is upper or by behind the powder of one or more suitable coating materials or mixture of powders electrostatic precipitation to combustible heat source, from And barrier coat is applied to behind combustible heat source.When by by the powder or powder of one or more suitable coating materials When barrier coat being applied to behind combustible heat source on behind mixture electrostatic precipitation to combustible heat source, combustible heat source It is preferably pre-processed before electrostatic precipitation with waterglass below.Preferably, barrier coat is applied by spraying.

Barrier coat can be flammable by the way that the solution of one or more suitable coating materials or suspended substance single to be applied to It is formed behind heat source.Alternatively, barrier coat can be by by the solution of one or more suitable coating materials or outstanding Floating body is repeatedly applied to behind combustible heat source and is formed.For example, barrier coat can be by by one or more suitable coatings The solution or suspended substance of material once, twice, three times, continuously apply to combustible heat source for four times, five times, six times, seven times or eight times Behind and formed.

Preferably, barrier coat by by the solution of one or more suitable coating materials or suspended substance once to ten times It is applied to behind combustible heat source and is formed.

After the solution of one or more coating materials or suspended substance are applied to behind combustible heat source, can dry can Heat source is fired to form barrier coat.

When barrier coat is flammable by the way that the solution of one or more suitable coating materials or suspended substance to be repeatedly applied to Behind heat source and when being formed, combustible heat source may need to be dried between the continuously applying of solution or suspended substance.

It alternatively or additionally for drying, can the solution of one or more coating materials or suspended substance to be applied to After firing behind heat source, coating material in sinterable combustible heat source is to form barrier coat.When barrier coat is glass Or when ceramic coating, the sintering of particularly preferred barrier coat.Preferably, temperature of the barrier coat at about 500 DEG C to about 900 DEG C Under, more preferably it is sintered at about 700 DEG C.

Smoking product according to the present invention may include that the first air of one or more for forming matrix periphery around aerosol enters Mouthful.

As used herein, term ' air intake ' can be sucked into smoking product for describing air by it Hole, slit, slot or other apertures.

When smoking product according to the present invention includes entering around the first air of one or more that aerosol forms matrix periphery When mouth, in use, cold air forms Medium Culture by the aerosol that the first air intake is sucked into smoking product.Pass through first Air intake is sucked into the air of aerosol formation Medium Culture by smoking product, forms matrix from aerosol and downstream passes through, and And smoking product is left by its proximal end.

By being entered during the suction of user's single port by the first air of one or more for forming matrix periphery around aerosol The cold air of mouth suction advantageously reduces the temperature that aerosol forms matrix.This is advantageously essentially prevented or prevents by using During person's single port aspirates, aerosol forms uprushing for the temperature of matrix.

As used herein, term ' cold air ' is obvious not by combustible heat source when being aspirated by user's single port for describing The surrounding air of ground heating.

It is uprushed by the temperature for preventing or preventing aerosol from from forming matrix, including forming one of matrix periphery around aerosol Or multiple first air intakes advantageously help to avoid or mitigate aerosol and form combustion of the matrix under strong single port aspiration phases It burns or is pyrolyzed.In addition, including advantageously helping minimum around the first air intake of one or more that aerosol forms matrix periphery Influence of the single port aspiration phases of change or mitigation user for the composition of the mainstream aerosol of smoking product.

In certain preferred embodiments, one or more first air intakes are positioned close to the downstream that aerosol forms matrix End.

In certain embodiments, aerosol forms matrix and can abut behind combustible heat source.

As used herein, term ' adjoining ' for describe aerosol formed matrix directly contact behind combustible heat source or The non-flammable substantially air impermeable barrier coat provided on behind the combustible heat source.

In other embodiments, aerosol formation matrix can be spaced behind with combustible heat source.That is, forming matrix in aerosol And behind combustible heat source between space or gap may be present.

As used herein, term is ' spaced apart ' forms after matrix is not directly contacted with combustible heat source for describing aerosol Face or behind the combustible heat source on the non-flammable substantially air impermeable barrier coat that provides.

Alternatively or additionally for one or more first air intakes, in such embodiments, according to the present invention Smoking product may include behind combustible heat source aerosol formed matrix between one or more second air intakes.? In use, cold air is sucked into combustible heat source by second air intake and aerosol is formed in the space between matrix.Pass through Second air intake is sucked into the air that combustible heat source and aerosol are formed in the space between matrix and passes through smoking product, from can The space that combustion heat source and aerosol are formed between matrix is downstream passed through, and leaves smoking product by its proximal end.

By passing through one or more behind combustible heat source between aerosol formation matrix during the suction of user's single port The cold air of a second entrance suction can advantageously reduce the temperature that aerosol forms matrix.This advantageously can be essentially prevented or prevent Only by during the suction of user's single port, aerosol forms uprushing for the temperature of matrix.

Alternatively or additionally for one or more first air intakes or one or more second air intakes, Smoking product according to the present invention may include forming one or more third air intakes in matrix downstream in aerosol.

It should be understood that smoking product according to the present invention may include form matrix periphery around aerosol one or more the One air intake, or one or more second air intakes behind combustible heat source between aerosol formation matrix, or Aerosol forms one or more third air intakes in matrix downstream, or any combination thereof.

Quantity, shape, the size and location of air intake can be suitably adapted to obtain good smoking performance.

Preferably, combustible heat source is containing carbon heat sources.As used herein, term is ' carbon containing ' flammable comprising carbon for describing Heat source.Preferably, for the carbon containing combustible heat source in smoking product according to the present invention have at least about 35%, more preferably at least About 40%, most preferably at least about 45% carbon content, in terms of the dry weight of combustible heat source.

In some embodiments, combustible heat source according to the present invention is flammable carbon-based heat source.As used herein, term ' carbon-based heat source ' is used for the heat source for describing mainly to be made of carbon.

There is at least about 50% carbon content for the flammable carbon-based heat source in smoking product according to the present invention.For example, Can have at least about 60% or at least about 70% or at least for the flammable carbon-based heat source in smoking product according to the present invention About 80% carbon content, in terms of the dry weight of flammable carbon-based heat source.

Smoking product according to the present invention may include the carbon containing combustible heat formed by one or more suitable carbonaceous materials Source.

If desired, can combine one or more adhesives with one or more carbonaceous materials.Preferably, a kind of or more Kind adhesive is organic bond.Suitable known organic bond includes but is not limited to glue (such as guar gum), is modified Cellulose and cellulose derivative (such as methylcellulose, carboxymethyl cellulose, hydroxypropyl cellulose and hydroxypropyl methyl fiber Element), flour, starch, sugar, vegetable oil and combinations thereof.

In a preferred embodiment, combustible heat source is formed by the mixture of carbon dust, modified cellulose, flour and sugar.

Instead of one or more adhesives or other than one or more adhesives, it to be used for smoking according to the present invention Combustible heat source in product may include one or more additives, to improve the property of combustible heat source.Suitable additive packet Include but be not limited to promote the consolidation of combustible heat source additive (such as sintering aid), to promote lighting for combustible heat source Additive (such as oxidant, such as perchlorate, chlorate, nitrate, peroxide, permanganate, zirconium and their group Close), the additive (such as potassium and sylvite, such as potassium citrate) of burning to promote combustible heat source and to promote by flammable Additive (such as the catalyst, such as CuO, Fe of the decomposition of one or more gases caused by the burning of heat source₂O₃And Al₂O₃)。

When smoking product according to the present invention includes the barrier coat being arranged on behind combustible heat source, stopping to apply Before or after layer is applied to behind combustible heat source, such additives can be mixed in combustible heat source.

In certain preferred embodiments, combustible heat source is the carbon containing combustible heat source comprising carbon and at least one lighting auxiliary agent. In a preferred embodiment, combustible heat source is lighted and is helped comprising carbon and at least one as described in WO-A1-2012/164077 The carbon containing combustible heat source of agent.

As used herein, term ' lighting auxiliary agent ' is for indicating to release energy in the ignition procedures of combustible heat source and oxygen One or both of material, wherein material release energy with the rate of one or both of oxygen not by ambient oxygen spread Limitation.In other words, material releases energy and the rate of one or both of oxygen very great Cheng in the ignition procedures of combustible heat source The rate of material is reached on degree independent of ambient oxygen.As used herein, term ' lighting auxiliary agent ' is also used for indicating can The metal element (elemental metal) to release energy in the ignition procedures of heat source is fired, wherein the ignition temperature of metal element At about 500 DEG C hereinafter, the combustion heat of metal element is at least about 5kJ/g.

As used herein, term ' lighting auxiliary agent ' does not include alkali metal salt (such as alkali-metal citrate, the alkali gold of carboxylic acid Belong to acetate and alkali metal succinate), alkali halide salts (such as alkali metal chloride salt), alkali carbonate or alkali gold Belong to phosphate, it is believed that these above-mentioned salt change carbon burning.Even if when alkali metal burning salt relative to combustible heat source total weight with When there are a lot, this alkali metal burning salt does not discharge enough energy and single in early stage in the ignition procedures of combustible heat source yet Acceptable aerosol is generated in mouth aspiration procedure.

The example of suitable oxidant includes but is not limited to: nitrate, such as potassium nitrate, calcium nitrate, strontium nitrate, nitric acid Sodium, 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 receives and potassium bromate；Cross bromine Hydrochlorate；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；Nothing Machine peroxide, such as hydrogen peroxide, strontium peroxide, peromag, calper calcium peroxide, barium peroxide, zinc peroxide and peroxidating Lithium；Superoxides, such as potassium superoxide and sodium superoxide；Iodate；Periodate；Iodite；Sulfate；Sulphite； Other sulfoxides；Phosphate；Phosphinates；Phosphite；And phosphanite.

Although advantageously improve combustible heat source light and ignition quality, include to light to smoke with combustion additive Lead to undesirable decomposition and reaction product in the use process of product.For example, being contained in combustible heat source to assist it to light The decomposition of nitrate can lead to the formation of nitrogen oxides.

When smoking product according to the present invention includes not closing combustible heat source, in one or more airflow channels and do not seal Close between combustible heat source includes that non-flammable substantially air impermeable block piece advantageously can be essentially prevented or be prevented when suction Air by one or more airflow channels when, such decomposition and reaction product enter through one or more airflow channels and take out The air being drawn onto smoking product according to the present invention.

Behind combustible heat source aerosol formed matrix between include non-flammable substantially air impermeable block piece also Advantageously it can be essentially prevented or prevent such decomposition and reaction product from entering and be drawn through smoking product according to the present invention Air.

Carbon containing combustible heat source for smoking product according to the present invention can show as known to persons of ordinary skill in the art Have and is prepared described in technology.

Carbon containing combustible heat source for smoking product according to the present invention is preferably formed in the following manner: make it is a kind of or Other additives of a variety of carbonaceous materials with one or more adhesives and if there is in the case where mix, and mixture is pre- Be formed as required shape.One or more carbonaceous materials, one or more adhesives and other selectable additives it is mixed Any known ceramics forming method appropriate can be utilized by closing object, for example, such as slurry casting, squeeze out, injection molding and mold compression moulding or Pressing, and pre-formed is required shape.In certain preferred embodiments, keep mixture pre- by pressing or squeezing out or combinations thereof Be formed as required shape.

Preferably, the mixture of one or more carbonaceous materials, one or more adhesives and other additives is by pre- shape As elongated shape bar.It is understood, however, that one or more carbonaceous materials, one or more adhesives and other additives Mixture can be pre-formed in the shape needed for other.

After such shaping, especially after extrusion, elongated shape bar or other required shapes are preferably dried to reduce Its water content, then in the temperature for making one or more adhesives (if present) to be carbonized enough in non-oxidizing atmosphere Lower pyrolysis, and substantially eliminate any volatile matter in elongated shape bar or other shapes.At about 700 DEG C preferably in nitrogen atmosphere Elongated shape bar or the shape needed for other are pyrolyzed at a temperature of to about 900 DEG C.

In certain embodiments, by one or more carbonaceous materials, one or more adhesives and other additives Mixture in include at least one metal nitrate precursor and at least one metal nitrate be incorporated in combustible heat source.Extremely A kind of few metal nitrate precursor then pass through using the pre-formed cylindrical bar of the aqueous solution processing pyrolysis of nitric acid or other Shape is converted at least one metal nitrate on the spot.In one embodiment, combustible heat source includes at least one metal nitre Hydrochlorate, at least one metal nitrate have the thermal decomposition temperature less than about 600 DEG C, more preferably less than about 400 DEG C.It is preferred that Ground, at least one metal nitrate have the decomposition temperature of about 150 DEG C to about 600 DEG C, more preferably about 200 DEG C to about 400 DEG C.

In a preferred embodiment, combustible heat source for the exposure of traditional yellow fiery igniter or other firing devices should cause to A kind of few metal nitrate decomposes and discharges oxygen and energy.It is this to decompose the initial raising for causing the temperature of combustible heat source, with And additionally aid lighting for combustible heat source.After the decomposition of at least one metal nitrate, combustible heat source is preferably continued to It burns at lower temperature.

Lighting for combustible heat source is advantageously caused internally to be triggered including at least one metal nitrate, rather than only at it At point on surface.Preferably, at least one metal nitrate with about the 20% of the dry weight of combustible heat source to combustible heat source it is dry About 50% amount of weight is present in combustible heat source.

In other embodiments, combustible heat source includes at least one peroxide or superoxides, peroxide or super oxygen Compound less than about 600 DEG C at a temperature of, more preferably less than about 400 DEG C at a temperature of initiatively derive oxygen.

Preferably, at least one peroxide or superoxides about 150 DEG C to about 600 DEG C at a temperature of, more preferably About 200 DEG C to about 400 DEG C at a temperature of, most preferably about 350 DEG C at a temperature of initiatively derive oxygen.

In use, combustible heat source should lead at least one for the exposure of traditional yellow fiery igniter or other firing devices Peroxide or superoxides decompose and discharge oxygen.This causes the initial raising of the temperature of combustible heat source, and additionally aids Combustible heat source is lighted.After the decomposition of at least one peroxide or superoxides, combustible heat source is preferably continued to more It burns at a temperature of low.

Lighting for combustible heat source is advantageously caused internally to be triggered including at least one peroxide or superoxides, and At non-point only on the surface thereof.

Combustible heat source preferably has the porosity of about 20% to about 80%, more preferably about 20% to 60%.Flammable In the case that heat source includes at least one metal nitrate, this advantageously allow for oxygen decompose at least one metal nitrate and In VELOCITY DIFFUSION to the quality of combustible heat source when burning continues to be enough to maintain burning.Even more preferred, flammable Heat source have such as example, by mercury porosimetry or helium pycnometry measurement about 50% to about 70%, more preferably about 50% to About 60% porosity.Required porosity can be easily real during using conventional method and technology production combustible heat source It is existing.

Advantageously, there is about 0.6g/cm for the carbon containing combustible heat source of smoking product according to the present invention³To about 1g/cm³ Apparent density.

Preferably, combustible heat source has the quality of about 300mg to about 500mg, more preferably about 400mg to about 450mg.

Preferably, combustible heat source have 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 with the diameter of about 7mm to about 8mm.

Preferably, combustible heat source has substantially uniform diameter.But combustible heat source can be alternatively tapered, So that the diameter at the rear portion of closing combustible heat source is greater than the diameter of its front.Particularly preferably substantially cylindrical flammable heat Source.Combustible heat source may, for example, be cylinder or tapered cylinder with substantially circular cross section, or have substantially ellipse The cylinder or tapered cylinder of circular cross section.

Smoking product according to the present invention preferably includes aerosol and forms matrix, and it includes at least one gas which, which forms matrix, Mist forming agent and the material for being able to respond heating release volatile compound.Aerosol formed matrix may include other additives and at Divide, including but not limited to moisturizer, flavoring agent, adhesive and its mixture.

Preferably, it includes nicotine that aerosol, which forms matrix,.It is highly preferred that it includes tobacco that aerosol, which forms matrix,.

At least one aerosol agents can be any known compound appropriate or the mixture of compound, compound or change Close object mixture be convenient for being formed in use intensive and stable aerosol and under the operating temperature of smoking product substantially Resist thermal degradation.Suitable aerosol agents are it is known in the art that and including such as polyalcohol, ester (single acetic acid of polyalcohol Glyceride, diacetine or glyceryl triacetate) and monocarboxylic acid, dicarboxylic acids or polycarboxylic aliphatic (acid) ester (such as 12 Docosandioic acid dimethyl ester and tetradecanedioic acid dimethyl ester).Preferred aerosol agents for smoking product according to the present invention are more Or mixtures thereof first alcohol, such as triethylene glycol, 1,3-BDO, most preferably glycerol.

The material for being able to respond heating releasing volatile compound may be based on the packing material of plant.It is able to respond heating The material for releasing volatile compound may be based on the homogeneous filled material of plant.For example, it may include source that aerosol, which forms matrix, In one or more materials of following plant, the plant includes but is not limited to: tobacco；Tealeaves, such as green tea；Peppermint；Laurel； Eucalyptus；Sweet basil；Salvia japonica；Verbena officinalis；And tarragon.

Preferably, the material for being able to respond heating releasing volatile compound may be based on the packing material of tobacco, optimal Select the homogeneous filled material based on tobacco.

Aerosol, which forms matrix, can take the form by paper or other packing materials molded part surrounded or section, the molded part or Section releases the material of volatile compound comprising being able to respond heating.As described above, taking such molding when aerosol forms matrix When the form of part or section, entire molded part or section including any packing material are considered as aerosol and form matrix.

Preferably, aerosol, which forms matrix, has about 5mm to about 20mm, more preferably from about 8mm to the length of about 12mm.

In a preferred embodiment, aerosol formed matrix include wrapped up in molded part package based on the material of tobacco at Type part.In the especially preferred embodiments, it includes to be wrapped up in molded part package based on the equal of tobacco that aerosol, which forms matrix, Material molded part.

Smoking product according to the present invention preferably includes the cigarette holder that aerosol forms matrix downstream.Cigarette holder is located at smoking product Proximal end.

Preferably, cigarette holder has low filter efficiency, more preferably has low-down filter efficiency.Cigarette holder can be individually The cigarette holder of section or component.Alternatively, cigarette holder can be multistage cigarette holder or multi-part cigarette holder.

Cigarette holder may include the filter tip with one or more sections, and one or more of sections include suitable known filtering Material.Suitable filtering material is known in the art, and including but not limited to cellulose acetate and paper.Alternatively or separately Other places, cigarette holder may include one or more sections, one or more of sections comprising absorbent, adsorbent, flavoring agent and other Aerosol modifying agent and additive or combinations thereof.

The transfer element or interval that aerosol is formed between matrix and cigarette holder are preferably also included according to the smoking product of element Construction element.

Transfer element can abut aerosol and form one or both of matrix and cigarette holder.Alternatively, transfer element can be with aerosol One or both of matrix and cigarette holder is formed to be spaced apart.

The aerosol by generating from combustible heat source to the heat transmitting that aerosol forms matrix is advantageouslyed allow for including transfer element Cooling.Also advantageously allow for the total length of smoking product according to the present invention by the length of transfer element including transfer element Appropriate selection be adjusted to desirable value, such as adjust to length similar with conventional cigarette.

Transfer element can have the length of about 7mm to about 50mm, for example, about 10mm to about 45mm or about 15mm to about 30mm Length.According to the presence and length of the required total length of smoking product, and the other component in smoking product, transfer member Part can have other length.

Preferably, transfer element includes at least one open-ended tubular hollow body.In such embodiments, it is using In, when the air being inhaled into, which forms matrix from aerosol by smoking product, swims over to its proximal end downwards, it is drawn through smoking system The air of product passes through at least one open-ended tubular hollow body.

Transfer element may include at least one the open-ended tubular hollow body formed by one or more suitable materials, Temperature of the one or more suitable materials in the aerosol by being generated from combustible heat source to the heat transmitting that aerosol forms matrix Under be substantially heat-staple.Suitable material is known in the art, and including but not limited to paper, cardboard, plastics example Such as cellulose acetate, ceramics and combinations thereof.

Alternatively or additionally, smoking product according to the present invention may include being formed between matrix and cigarette holder in aerosol Aerosol cooling element or heat exchanger.Aerosol cooling element may include multiple channels longitudinally extended.

Aerosol cooling element may include the material of the Paper or cardboard selected from metal foil, polymer material and substantially non-porous Assemble piece.In certain embodiments, aerosol cooling element may include selected from polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), the aggregation of the material of polyethylene terephthalate (PET), polylactic acid (PLA), cellulose acetate (CA) and aluminium foil Piece.

In certain preferred embodiments, aerosol cooling element may include the aggregation piece of biodegradable polymer material, The material such as polylactic acid (PLA) or(the starch base copolyesters for being obtained commercially series) grade.

Smoking product according to the present invention may include forming one or more aerosol modifying agent in matrix downstream in aerosol.Example Such as, one of the cigarette holder of smoking product according to the present invention, transfer element and aerosol cooling element or it is a variety of may include one kind Or a variety of aerosol modifying agent.

Suitable aerosol modifying agent includes but is not limited to: flavoring agent；With chemicals (chemesthetic) reagent.

As used herein, term ' flavoring agent ' forms base to by the aerosol of smoking product for describing in use The aerosol that matter generates assigns one or two kinds of any reagents of taste or fragrance.

As used herein, term ' chemicals reagent ' is for describing to pass through gustatory receptor or nasal receptor in use It is being perceived in the oral cavity of the external user of the perception of device cell or smell chamber or except through gustatory receptor or smell sense Any reagent also perceived in the oral cavity of user or smell chamber except the perception of receiver cell.The perception of chemicals reagent is logical Often by " trigeminal neuralgia induction ", or pass through some combinations of trigeminal neuralgia, glossopharyngeal nerve, sympathetic nerve or these nerves.It is logical Often, chemicals reagent is perceived as heat, peppery, cool or calm feeling.

Smoking product according to the present invention may include forming one or more aerosol modifying agent in matrix downstream in aerosol, For both flavoring agent and chemicals reagent.For example, the cooling member of the cigarette holder of smoking product according to the present invention, transfer element and aerosol One of part a variety of may include menthol or provide another flavoring agent of cool chemicals efficacy.

Known method and machine can be used to be assembled for smoking product according to the present invention.

Detailed description of the invention

Only further illustrate the present invention by way of example with reference to the accompanying drawings, in the drawing:

Fig. 1 shows the schematic longitudinal cross-section of the smoking product of first embodiment according to the present invention；

Fig. 2 shows the schematic longitudinal cross-section of the smoking product of third embodiment according to the present invention；

Fig. 3 a shows during suction, the curve of the temperature at the combustible heat source rear portion of smoking product according to the present invention Figure；With

Fig. 3 b shows that during suction, the aerosol of smoking product according to the present invention forms the curve of the temperature of matrix Figure.

Specific embodiment

The smoking product 2 of first embodiment according to the present invention shown in Fig. 1 includes coaxillay aligned in adjoining Combustible heat source 4, aerosol formation matrix 10, transfer element 12, aerosol cooling element 14, spacer elements 16 and cigarette holder 18 are closed, The closing combustible heat source 4 have front 6 and it is opposite behind 8.

Closing combustible heat source 4 is the carbon containing combustible heat source of closing, and is located at the far-end of smoking product 2.Institute as shown in figure 1 Show, it is 8 gentle behind closing combustible heat source 4 to be arranged in the non-flammable substantially air impermeable block piece 22 of aluminium foil disk-form Mist is formed between matrix 10.By the way that foil disk to be pressed on 8 behind closing combustible heat source 4, block piece 22 is applied to envelope It closes 8 behind combustible heat source 4, and adjacent carbon containing combustible heat source 4 below 8 and aerosol formation matrix 10.

In the other embodiment of the present invention (not shown), closing combustible heat source 4 below 8 and aerosol formation matrix 10 Between non-flammable substantially air impermeable block piece 22 can omit.

Aerosol forms matrix 10 and is located at the block piece 22 for being applied to close behind combustible heat source 48 immediately downstream.Aerosol is formed Matrix 10 includes the cylindrical molded part of the homogeneous material 24 based on tobacco, including the aerosol wrapped up in molded part package 26 Forming agent, such as glycerol.

Transfer element 12 is located at aerosol and forms matrix 10 immediately downstream, and the acetate fiber including cylinder-shaped end opening Plain hollow tube 28.

Aerosol cooling element 14 is located at transfer element 12 immediately downstream, and for example poly- including biodegradable polymer material The aggregation piece of lactic acid.

Spacer elements 16 are located at aerosol cooling element 14 immediately downstream, and the Paper or cardboard including cylinder-shaped end opening Hollow tube 30.

Cigarette holder 18 is located at spacer elements 16 immediately downstream.As shown in fig. 1, cigarette holder 18 is located at the proximal end of smoking product 2, And including the cylindrical molded part with the suitable filter material 32 wrapped up in filter tip molded part package 34, the conjunction Suitable cellulose acetate tow of the filtering material 32 for example with extremely low filter efficiency.

Smoking product may also include the longer filter tip paper band (not shown) around the downstream end part of outer wrapper 20.

As shown in fig. 1, smoking product 2 further includes the single heat-conduction component 36 with suitable material such as aluminium foil, should Single heat-conduction component 36 overlays on the rear portion of closing combustible heat source 4, aerosol forms the whole length and transfer element 12 of matrix 10 Whole length on.

In the other embodiment of the present invention (not shown), transfer element 12 can extend above single heat in downstream side Transport element 36.That is, single heat-conduction component 36 can only overlay on the front of transfer element 12.In the other embodiment of the present invention In (not shown), single heat-conduction component 36 can not overlay on transfer element 12 it is any on.

In further embodiment of the present invention (not shown), aerosol forms matrix 10 and can extend above in downstream side Single heat-conduction component 36.It is formed on the front of matrix 10 that is, single heat-conduction component 36 can only overlay on aerosol.

The packing material 38 and envelope that single heat-conduction component 36 passes through the insulation sheet material such as cigarette paper with low-permeable It closes combustible heat source 4 and aerosol formation matrix 10 is radially spaced-apart, the insulation sheet material is wrapped in aerosol and forms matrix 10, transfer member The rearward portion of part 12 and closing combustible heat source 4.

In the smoking product 2 of first embodiment according to the present invention shown in Fig. 1, single heat-conduction component 36 and Single heat-conduction component 36 is set to form the radially spaced-apart packing material 38 of matrix 10 in updrift side with closing combustible heat source 4 and aerosol On extend to the roughly the same position in closing combustible heat source 4 so that the upstream end thereof and packaging of single heat-conduction component 36 The substantial alignment in closing combustible heat source 4 of object 38.

It is, however, to be understood that making single heat-conduction component 36 and closing in the other embodiment of the present invention (not shown) Combustible heat source 4 and aerosol form the radially spaced-apart packing material 38 of matrix 10 can extend beyond single heat transfer member in the upstream direction Part 36.

The smoking product 2 of first embodiment according to the present invention includes one or more that 10 periphery of matrix is formed around aerosol A first air intake 38.

As shown in fig. 1, the molded part packaging that aerosol forms matrix 10 is arranged in the first air intake 40 being circular layout Part 26, make single heat-conduction component 36 and closing combustible heat source 4 and aerosol formed the radially spaced-apart packing material 38 of matrix 10 and In single heat-conduction component 36, formed in matrix 10 with receiving cold air (being shown in Fig. 1 by dotted arrow) to enter aerosol.

In use, user lights the closing combustible heat source 4 of the smoking product 2 of first embodiment according to the present invention, And it is then aspirated on cigarette holder 18.When user aspirates on cigarette holder 18, cold air (is shown in Fig. 1 by dotted arrow) It is formed in matrix 10 by the aerosol that the first air intake 40 is sucked into smoking product 2.

Aerosol formed matrix 10 front by via closing combustible heat source 4 behind 8 and block piece 22 conduction and by Heating.

By conduction heating aerosol formed matrix 10 from the molded part of the homogeneous materials 24 based on tobacco discharge glycerol and Other volatility and semi-volatile compounds.The compound discharged in matrix 10 is formed from aerosol and forms aerosol, when what is sucked When air flows through aerosol formation matrix 10, the aerosol, which is entrained in, is sucked into smoking product by the first air intake 40 2 aerosol is formed in the air in matrix 10.The aerosol of the air and entrained with that are sucked (is shown by dotted arrow in fig 1 and 2 Downstream pass through transfer element 12, aerosol cooling element 14 and spacer elements 16 out), in the air that is wherein sucked and folded The aerosol of band is cooling and condenses.The aerosol of the cooling air sucked and entrained with downstream passes through cigarette holder 18, and passes through The proximal end of the smoking product 2 of first embodiment according to the present invention is delivered to user.It is closing on 8 behind combustible heat source 4 Non-flammable substantially air impermeable block piece 22 make to close combustible heat source 4 and the air point for being drawn through smoking product 2 From so that in use, the air for being drawn through smoking product 2 is not directly contacted with closing combustible heat source 4.

In use, single heat-conduction component 36 keeps temperature in smoking product 2, to help that aerosol is maintained to form matrix 10 temperature, and therefore promote the aerosol delivery continuously and enhanced.In addition, single heat-conduction component 36 forms matrix along aerosol 10 transmitting heat, so that heat is dispersed by the more volume that aerosol forms matrix 10.This help is provided between more consistent single port suction Aerosol delivery.

The smoking product (not shown) of second embodiment according to the present invention have with it is shown in Fig. 1 according to the present invention First embodiment smoking product largely identical construction.However, in second embodiment according to the present invention In smoking product, single heat-conduction component 36 is made to form the radially spaced-apart packing material of matrix 10 with closing combustible heat source 4 and aerosol 38 are omitted, and single heat-conduction component 36 is formed by laminated material, and the laminated material includes the outer layer of heat conducting material With the internal layer of heat-insulating material.In the smoking product of second embodiment according to the present invention, the heat of single heat-conduction component 36 is passed The outer layer for leading material forms matrix with closing combustible heat source 4 and aerosol by the internal layer of the heat-insulating material of single heat-conduction component 36 10 is radially spaced-apart.

Have and root shown in Fig. 1 in the smoking product 42 of third embodiment according to the present invention shown in Fig. 2 According to the smoking product largely identical construction of the first embodiment of the present invention.However, according to the present invention second In the smoking product 42 of embodiment, the first air intake 40 formed around matrix 10 around aerosol is omitted, and flammable heat Source 4 is not close carbon containing combustible heat source comprising never closes before combustible heat source 4 the 6 single central gas for extending to next 8 Circulation road 44.

As shown in Figure 2, it is arranged between combustible heat source 4 and central flow path 44 non-flammable substantially air impermeable Block piece 46.Block piece 46 include be arranged on the entire inner surface of single central flow path 44 it is non-flammable substantially not Ventilative barrier coat.

In use, user lights the closing combustible heat source 4 of the smoking product 42 of third embodiment according to the present invention, And it is then aspirated on cigarette holder 18.When user aspirates on cigarette holder 18, cold air (is shown in Fig. 2 by dotted arrow) It is formed in matrix 10 by the aerosol that central flow path 44 is sucked into smoking product 2.It is not closing behind combustible heat source 4 Non-flammable substantially air impermeable block piece 22 on 8, and on the inner surface of single central flow path 44 can not The substantially air impermeable block piece 46 of combustion, makes not close combustible heat source 4 and the air separation for being drawn through smoking product 42, So that in use, the air for being drawn through smoking product 42, which is not directly contacted with, does not close combustible heat source 4.

In the other embodiment of the present invention (not shown), do not close behind combustible heat source 48 and aerosol form matrix Non-flammable substantially air impermeable block piece 22 between 10 can omit.

The smoking product (not shown) of fourth embodiment according to the present invention have with it is shown in Fig. 2 according to the present invention 3rd embodiment smoking product largely identical construction.However, in fourth embodiment according to the present invention In smoking product, single heat-conduction component 36 is made to form the radially spaced-apart packing material of matrix 10 with closing combustible heat source 4 and aerosol 38 are omitted, and single heat-conduction component 36 is formed by laminated material, and the laminated material includes the outer layer of heat conducting material With the internal layer of heat-insulating material.In the smoking product of fourth embodiment according to the present invention, the heat of single heat-conduction component 36 is passed The outer layer of material is led by the internal layer of the heat-insulating material of single heat-conduction component 36 and does not close combustible heat source 4 and aerosol forms base Matter 10 is radially spaced-apart.

Example A

Assembling has and the smoking product of above-mentioned second embodiment according to the present invention largely same structure Smoking product according to the present invention.Smoking product includes the single heat-conduction component formed by laminated material, the laminated material Include aluminium outer layer and paper internal layer.Smoking product does not include outer wrapper, so that the aluminium outer layer of single heat-conduction component is being smoked It is visible on the outside of product.Instead of being circular layout for the first air intake around aerosol formation matrix periphery, smoking product packet Include being circular layout for the third air intake around transfer element periphery.

In smoking product according to the present invention, the aluminium outer layer of single heat-conduction component passes through the paper of single heat-conduction component Internal layer and closing combustible heat source and aerosol formation matrix are radially spaced-apart.

Comparative example B

In order to omparison purpose, assembly smoking product not according to the present invention.Smoking product not according to the present invention include by The single heat-conduction component that laminated material is formed, the laminated material include aluminium internal layer and paper outer layer.In other respects, not basis Smoking product of the invention has construction identical with the smoking product according to the present invention of example A.

In smoking product not according to the present invention, the aluminium internal layer of single heat-conduction component directly contacts closing combustible heat source Matrix is formed with aerosol.

Use the thermocouple on the surface that smoking product is attached at the position that its aerosol forms matrix upstream 1mm, measurement During combustible heat source burning in smoking product, the not basis of smoking product and the comparative example B according to the present invention of example A The temperature at the closing combustible heat source rear portion of smoking product of the invention.As the result is shown in Fig. 3 a.

Using the thermocouple on the surface for being attached to smoking product at the position of its combustible heat source downstream 6mm, measurement is being inhaled In tobacco product combustible heat source burning during, smoking product and the comparative example B according to the present invention of example A not according to this hair The aerosol of bright smoking product forms the temperature at matrix rear portion.As the result is shown in Fig. 3 b.

In order to measure the temperature at the rear portion for closing combustible heat source and aerosol formation matrix, smoking product uses conventional yellow fire Flame lighter is lighted, and uses smoking machine, is smoked under Her Majesty the Queen in right of Canada as represented by the minister of Healt (Health Canada) smoking scheme, is passed through 12 single port suctions are crossed, between single port draw volume, 2 seconds single port puff durations with 55ml and the suction of 30 seconds single port Every.Condition and smoking machine specification about smoking illustrate in iso standard 3308 (ISO 3308:2000).About conditioning It is illustrated under iso standard 3402 with the atmosphere of test.

As shown in Figure 3a and 3b shown, during especially single port aspirates afterwards, compared with smoking product according to the present invention Compared with the temperature that the closing combustible heat source and aerosol of the smoking product not according to the present invention of comparative example B form matrix rear portion is It reduces.This causes total dry particl substance (DTPM) of the smoking product not according to the present invention of comparative example B to deliver Total dry particl substance (DTPM) of the smoking product according to the present invention of (10.3mg) lower than example A delivers (17.4mg).

Above-described specific embodiment expection illustrates the present invention.However, other embodiments can be prepared, without departing from Such as the spirit and scope of the present invention limited in claim, and it is to be understood that above-described specific embodiment is not pre- Phase is restrictive.

Claims

1. a kind of smoking product, the smoking product include:

Combustible heat source with opposite front and back；

Matrix is formed in the aerosol of the Later downstream of the combustible heat source；With

Single heat-conduction component, the single heat-conduction component overlays on the rear portion of the combustible heat source and the aerosol forms matrix At least front on, wherein the single heat-conduction component includes one or more layers of a thermally conductive material, and it is one or Multiple layers of a thermally conductive material and the combustible heat source and aerosol formation matrix are radially spaced-apart,

Wherein the smoking product does not include any other heat transfer member under or over the single heat-conduction component Part,

Wherein the combustible heat source is closing combustible heat source；Or the combustible heat source is not close combustible heat source, and the suction Tobacco product further include it is described do not close it is non-flammable substantially impermeable between combustible heat source and one or more airflow channel The block piece of gas, one or more of airflow channels extend to below from described do not close before combustible heat source, and

Wherein the single heat-conduction component includes the outer layer of heat conducting material, and the outer layer of the heat conducting material is in the smoking It is visible on the outside of product.

2. smoking product according to claim 1, wherein one or more of layers of a thermally conductive material pass through one or more A insulation material layer and the combustible heat source and aerosol formation matrix are radially spaced-apart.

3. smoking product according to claim 1, wherein one or more of layers of a thermally conductive material and the flammable heat Source and the aerosol form radially spaced-apart at least 50 microns of matrix.

4. smoking product according to claim 1, wherein the single heat-conduction component is formed by laminated material, the layer Pressing material includes one or more layers of a thermally conductive material and one or more insulation material layers.

5. smoking product according to claim 4, wherein one or more of layers of a thermally conductive material pass through it is one Or to form matrix radially spaced-apart at least one of multiple insulation material layers and the combustible heat source and the aerosol.

6. the smoking product according to any one of 1-5 in claim, wherein one or more of layers of a thermally conductive material Include heat-reflecting material.

7. smoking product according to claim 6, wherein heat-reflecting material reflection is more than 50% incident radiation.

8. the smoking product according to any one of 1-5 in claim, wherein the single heat-conduction component overlay on it is described Aerosol is formed in the whole length of matrix.

9. smoking product according to claim 8, wherein the single heat-conduction component downstream extends beyond the gas Mist forms matrix.

10. the smoking product according to any one of 1-5 in claim, the smoking product further includes in the flammable heat Behind source and the aerosol forms the non-flammable substantially air impermeable block piece between matrix.

11. the smoking product according to any one of 1-5 in claim, the smoking product further includes around the aerosol Form the first air intake of one or more of matrix periphery.

12. the smoking product according to any one of 1-5 in claim, wherein can described in aerosol formation matrix is adjacent It fires behind heat source.

13. the smoking product according to any one of 1-5 in claim, wherein the aerosol formed matrix with it is described flammable Heat source it is spaced behind.

14. the smoking product according to any one of 1-5 in claim, the smoking product further includes in the flammable heat Behind source and the aerosol forms one or more second air intakes between matrix.

15. the smoking product according to any one of 1-5 in claim, the smoking product further includes in the aerosol shape At one or more aerosol modifying agent in matrix downstream.