WO2021143726A1 - 吸烟制品 - Google Patents

吸烟制品 Download PDF

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Publication number
WO2021143726A1
WO2021143726A1 PCT/CN2021/071510 CN2021071510W WO2021143726A1 WO 2021143726 A1 WO2021143726 A1 WO 2021143726A1 CN 2021071510 W CN2021071510 W CN 2021071510W WO 2021143726 A1 WO2021143726 A1 WO 2021143726A1
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WO
WIPO (PCT)
Prior art keywords
smoking article
infrared radiation
infrared
layer
radiation layer
Prior art date
Application number
PCT/CN2021/071510
Other languages
English (en)
French (fr)
Inventor
戚祖强
武建
罗家懋
雷宝灵
徐中立
李永海
Original Assignee
深圳市合元科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市合元科技有限公司 filed Critical 深圳市合元科技有限公司
Priority to US17/792,704 priority Critical patent/US20230046414A1/en
Priority to EP21741672.6A priority patent/EP4091480A4/en
Priority to JP2022541981A priority patent/JP2023509185A/ja
Priority to KR1020227027977A priority patent/KR20220127889A/ko
Publication of WO2021143726A1 publication Critical patent/WO2021143726A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • A24D1/025—Cigars; Cigarettes with special covers the covers having material applied to defined areas, e.g. bands for reducing the ignition propensity
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/004—Reflecting paints; Signal paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/70—Manufacture
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F47/00—Smokers' requisites not otherwise provided for

Definitions

  • This application relates to the field of tobacco technology, and in particular to a smoking product.
  • the temperature reached in the aerosol-forming substrate has a significant effect on the ability to produce a sensory acceptable aerosol. It is generally desirable to maintain the temperature of the aerosol-forming substrate within a certain range in order to optimize the aerosol delivery to the user.
  • Existing smoking articles are heated generally including circumferential heating and central heating.
  • the heater in the smoking set wraps at least part of the smoking article.
  • the temperature of the smoking article near the heater is higher, while the temperature of the central part of the smoking article is lower; when the center is heated, the outer periphery of the heater in the smoking article is connected to the smoking article.
  • the tobacco in the product is in direct contact, so the temperature of the central part of the smoking product is higher, and the temperature of the outer part of the smoking product is lower.
  • the present application provides a smoking article, which aims to solve the uneven heating phenomenon of existing smoking articles.
  • the first aspect of the present application provides a smoking article, which is used together with a smoking article for heating an aerosol-forming substrate to volatilize at least one component of the aerosol-forming substrate, and the smoking article includes:
  • the smoke generating section has a tube wall and a lumen; the lumen is used to contain the aerosol forming matrix;
  • An infrared radiation layer is formed on at least a part of the inner surface of the tube wall; the infrared radiation layer is used to be heated by the smoking article to generate infrared rays and at least radiatively heat the aerosol forming substrate.
  • the second aspect of the present application provides a smoking article suitable for the smoking article described in the first aspect, and the smoking article includes:
  • a housing having an opening through which the smoking article can be at least partially inserted into or removed from the smoking article;
  • At least one heating device is arranged in the housing; the at least one heating device is used to heat the aerosol-forming substrate of the smoking article during use, so as to volatilize at least one component of the aerosol-forming substrate.
  • the smoking article provided by the present application adopts an infrared radiation layer provided on the inner surface of the tube wall, so that the infrared radiation layer is heated by the smoking article to generate infrared rays and at least radiatively heat the aerosol to form a substrate;
  • the infrared radiation has a longer wavelength and can be Penetrate the substance, "resonate” with the internal molecules and atoms of the object and produce strong vibration and rotation, which will increase the temperature of the object, achieve the purpose of heating, and increase the overall temperature of the substance, avoiding the heat failure of existing smoking products.
  • the uniform phenomenon improves the user's suction taste.
  • Figure 1 is a schematic diagram of a smoking article provided by an embodiment of the present application.
  • Fig. 2 is a schematic diagram of a smoke generation section in a smoking article provided by an embodiment of the present application
  • Fig. 3 is a schematic diagram of a smoke generating section with an infrared reflective layer in a smoking article provided by an embodiment of the present application;
  • FIG. 4 is a schematic diagram of a smoke generating section with a flame-retardant layer in a smoking article provided by an embodiment of the present application;
  • Fig. 5 is a schematic diagram of the infrared radiation layer in the smoking article provided by the embodiment of the present application.
  • Fig. 6 is a schematic diagram of a coil coating equipment provided by an embodiment of the present application.
  • a smoking article 10 provided by this embodiment of the application includes an aerosol-forming substrate, which is used together with a smoking article for heating to volatilize at least one component of the aerosol-forming substrate.
  • the smoking article 10 includes a smoke generating section 11 and a filter section 12.
  • the smoke generating section 11 is filled with an aerosol forming matrix. After the smoke generating section 11 is heated by the smoking article, at least one component of the aerosol-forming substrate can be volatilized to form an aerosol.
  • An aerosol-forming substrate is a substrate capable of releasing volatile compounds that can form an aerosol. Such volatile compounds can be released by heating the aerosol to form a matrix.
  • the aerosol-forming substrate can be solid or liquid or include solid and liquid components.
  • the aerosol-forming substrate can be adsorbed, coated, impregnated or otherwise loaded onto the carrier or support.
  • the aerosol-forming substrate may conveniently be part of an aerosol-generating article or smoking article.
  • the aerosol-forming substrate may include nicotine.
  • the aerosol-forming substrate may include tobacco, for example, may include a tobacco-containing material containing volatile tobacco flavor compounds that are released from the aerosol-forming substrate when heated.
  • a preferred aerosol-forming substrate may include a homogeneous tobacco material, such as deciduous tobacco.
  • the aerosol-forming substrate may include at least one aerosol-forming agent.
  • the aerosol-forming agent may be any suitable known compound or mixture of compounds. In use, the compound or mixture of compounds is beneficial to stabilize the formation of aerosol, And it is basically resistant to thermal degradation at the operating temperature of the aerosol generating system.
  • Suitable aerosol forming agents are well known in the art and include, but are not limited to: polyols, such as triethylene glycol, 1,3-butanediol, and glycerol; esters of polyols, such as glycerol mono-, di- or triacetate ; And fatty acid esters of mono-, di- or polycarboxylic acids, such as dimethyl dodecanedioate and dimethyltetradecanedioate.
  • Preferred aerosol forming agents are polyhydric alcohols or mixtures thereof, such as triethylene glycol, 1,3-butanediol and most preferably glycerol.
  • the filter section 12 is used to filter the at least one volatilized component of the aerosol-forming substrate and be received in the mouth of the user.
  • the filter section 12 may include a filter section and a cigarette holder end section, the filter section is used to filter the at least one component volatilized from the aerosol-forming matrix, and the cigarette holder end section is used to be received in the mouth of the user. Ministry.
  • a cooling section may be further provided between the flue gas generating section 11 and the filter section 12, and the cooling section may be configured to enter the at least one volatilization of the aerosol-forming substrate at one end of the cooling section.
  • a certain temperature difference is provided between the component and the volatilized at least one component of the aerosol-forming matrix leaving the other end of the cooling section. In turn, the user does not feel a hot mouth while inhaling the aerosol, and the user's suction experience is improved.
  • the smoke generating section 11 has a tube wall 111 and a tube cavity 112; the tube cavity 112 is used for accommodating the aerosol-forming substrate (shown in gray in the figure).
  • the infrared radiation layer 113 is formed on at least part of the inner surface of the tube wall 111; the infrared radiation layer 113 is used to be heated by the smoking article to generate infrared rays and at least radiatively heat the aerosol forming substrate.
  • the infrared radiation layer 113 is a continuous film layer, which is formed on the inner surface of the tube wall 111 and coats the aerosol in the tube cavity 112 to form a matrix. After the infrared radiation layer 113 absorbs the heat transferred from the smoking article, the temperature rises and can generate infrared rays of a certain wavelength.
  • the infrared radiation layer 113 can be made of materials with high infrared radiation rate such as oxides, carbon materials, carbides, and nitrides. Specifically as follows:
  • Metal oxides and multi-component alloy oxides including: iron oxide, aluminum oxide, chromium oxide, indium oxide, lanthanum oxide, cobalt oxide, nickel oxide, and nickel oxide Antimony, antimony pentoxide, titanium dioxide, zirconium dioxide, manganese dioxide, ceria, copper oxide, zinc oxide, magnesium oxide, calcium oxide, molybdenum trioxide, etc.; it can also be two or more of the above metals A combination of oxides; it can also be a ceramic material with a unit cell structure such as spinel, perovskite, olivine, etc.
  • the emissivity of carbon materials is close to that of a black body, and it has a higher infrared emissivity.
  • Carbon materials including: graphite, carbon fiber, carbon nanotubes, graphene, diamond-like films, etc.
  • Carbides including: silicon carbide, silicon carbide has high emissivity in a larger infrared wavelength range (2.3 microns-25 microns), and is a good near full-band infrared radiation material; in addition, there are tungsten carbide and iron carbide , Vanadium carbide, titanium carbide, zirconium carbide, manganese carbide, chromium carbide, niobium carbide, etc., all have high infrared emissivity (MeC phase does not have strict stoichiometric composition and chemical formula).
  • Nitrides including: metal nitrides and non-metal nitrides, where metal nitrides include: titanium nitride, titanium carbonitride, aluminum nitride, magnesium nitride, tantalum nitride, vanadium nitride, etc.; non-metal nitrides Including: boron nitride, phosphorus pentanitride, silicon nitride (Si3N4), etc.
  • inorganic non-metallic materials include: silicon dioxide, silicate (including phosphosilicate, borosilicate, etc.), titanate, aluminate, phosphate, boride, chalcogenide, etc.
  • the thickness of the infrared radiation layer 113 is 100 nm-3000 nm.
  • the winding coating equipment includes a vacuum chamber 21, a film roll 22, a cigarette paper base film 23, an ion source 24, a gas path 25, a flow valve 26, a gas path 27, a flow valve 28, and an air inlet pipe 29.
  • Roll-to-roll coating is a technique that uses different methods to achieve continuous coating on a flexible substrate in a vacuum environment.
  • the winding coating technology has the following characteristics:
  • the ion source 24 is used to bombard the substrate, and the prepared film has a good bonding force with the substrate;
  • the prepared film has high purity, good compactness and good film uniformity
  • the reproducibility of the preparation process is good, and a film with uniform thickness can be obtained on a large-area substrate, and the rotation speed of the film roll 22 and the film roll 35 can be adjusted and the coating process (target power, process atmosphere, etc.) can be accurate Control the thickness of the film;
  • the infrared radiation coating 113 is deposited on the cigarette paper substrate, and after the deposition, a cigarette with the infrared radiation coating 113 is prepared through processes such as cutting, tobacco filling, and bonding.
  • the infrared radiation layer 113 is titanium dioxide. Specifically, a titanium target is used, a bipolar pulsed DC magnetron sputtering power supply is used as the target power source, and argon gas and an appropriate amount of oxygen gas are introduced as reaction gases to deposit a titanium dioxide film.
  • the preparation process is as follows:
  • the winding speed of the film take-up roll 35 is set to 4m/min;
  • the ion source can perform plasma cleaning on the surface of the cigarette paper film to produce a fresh surface, which can improve the bonding force between the film layer and the substrate;
  • the bipolar pulsed DC magnetron sputtering power supply connected to the titanium target, set the power to 3000W, plasma sputter the titanium target, and react with oxygen to generate titanium dioxide and deposit it on the cigarette paper substrate;
  • the thickness of the titanium dioxide deposited film is about 400nm, and the film thickness uniformity is greater than 90%; through the hemispherical infrared radiation test, the infrared radiation rate is high (about 80-95%), which is much greater than the infrared radiation rate of cigarette paper (about 50-70%).
  • the smoking article 10 further includes an infrared reflective layer 114; the infrared reflective layer 114 is disposed between the infrared radiation layer 113 and the inner surface of the tube wall 111.
  • the infrared radiation layer 113 absorbs the heat transferred from the smoking article, the generated infrared rays may be transmitted to the outside of the smoking article 10 through the tube wall 111.
  • the infrared reflective layer 114 can prevent the infrared radiation generated by the infrared radiation layer 113 from being transmitted to the outside of the smoking article 10 through the tube wall 111, thereby improving the heat utilization rate.
  • the infrared reflective layer 114 includes at least one of metal, metal oxide, and nitride. Specifically, it can be gold, silver, nickel, aluminum, gold alloy, silver alloy, nickel alloy, aluminum alloy, gold oxide, silver oxide, nickel oxide and aluminum oxide, titanium oxide, zinc oxide , Manufactured from one or more of cerium oxide.
  • Double targets are used in the preparation process to complete the coating at one time.
  • the infrared reflective layer 114 is deposited on the cigarette paper substrate first, and then the infrared radiation layer 113 is deposited.
  • the coating surface faces the tobacco shreds, so that the infrared reflective layer 114 is farther away from the tobacco shreds than the infrared radiation layer 113.
  • it can prevent the heat inside the shredded tobacco from radiating outward through infrared rays.
  • the infrared radiation layer 113 has better directivity of radiating infrared rays, that is, radiating to the inside of the shredded tobacco.
  • the preparation process is as follows:
  • Inlet argon gas adjust the argon gas flow rate, and maintain the pressure of the vacuum chamber at 0.1Pa;
  • the winding speed of the film take-up roll 35 is set to 4m/min;
  • the ion source can plasma clean the surface of the cigarette paper film to produce a fresh surface, which can improve the bonding force between the film layer and the substrate;
  • the thickness of the deposited aluminum film is about 300-500nm
  • the thickness of the silicon carbide film is about 300-550nm
  • the film thickness uniformity is greater than 90%
  • the infrared reflectance reaches more than 95%
  • the infrared radiation rate reaches more than 92%
  • Tobacco paper made of cigarette paper made by the above process adopts central heating method to test the temperature of shredded tobacco close to the cigarette paper. It takes more time for the temperature to rise to 200 degrees than that of cigarettes made from uncoated cigarette paper. The time is shortened by 5 seconds (from 20 seconds to 15 seconds); the infrared circumferential heating method is used to test the temperature of the shredded tobacco close to the cigarette paper. The time it takes to increase the temperature to 200 degrees is longer than that of cigarettes made with uncoated cigarette paper. Support, the time is shortened by 5 seconds (from 25 seconds to 20 seconds).
  • the smoking article 10 further includes an infrared reflective flame-retardant layer 115; the infrared reflective flame-retardant layer 115 is disposed between the infrared radiation layer 113 and the inner surface of the tube wall 111.
  • the infrared reflective flame-retardant layer 115 can be aluminum foil or tin foil.
  • the aluminum foil or tin foil is smoothed, and then the infrared radiation layer 113 is deposited on the smoothed aluminum foil or tin foil.
  • the smooth aluminum foil or tin foil has a certain reflection effect on the infrared radiation generated by the infrared radiation layer 113, and at the same time has a certain flame retardant effect.
  • the preparation process of the infrared radiation layer 113 can refer to the foregoing content, and will not be repeated here.
  • the infrared radiation layer 113 may be a discontinuous film layer. Specifically, the infrared radiation layer 113 may be a patterned infrared radiation layer.
  • the infrared radiation layer 113 is a grid-shaped infrared radiation layer
  • the grid-shaped infrared radiation layer 113 includes a plurality of infrared radiation blocks 1131 and a plurality of meshes 1132
  • the meshes 1132 are composed of several Part of the periphery of the infrared radiation block 1131 is formed around
  • the mesh 1132 is a film layer with no infrared radiation function.
  • the infrared radiation block 1131 is a regular hexagon
  • the mesh 1132 is a square surrounded by four sides of the four regular hexagonal infrared radiation blocks 1131.
  • the area of the mesh 1132 is 30%-80% of the infrared radiation layer 113.
  • the infrared radiation block 1131 absorbs the infrared radiation generated by the smoking appliance to a certain extent, and accordingly will reduce the penetration of the corresponding wavelength of the infrared to the tube wall
  • the ratio of 111 (at the same time, the tube wall 111 will absorb infrared to heat up, and then radiate to the direction of the aerosol forming substrate in the form of infrared).
  • the mesh 1132 does not block the infrared rays generated by the smoking article, and the infrared rays can penetrate into the inside of the smoking article 10. Relatively speaking, the heating efficiency of the smoking article 10 by the smoking article can be improved.
  • the shapes of the infrared radiation block 1131 and the mesh 1132 are not limited to the situation in FIG. 5.
  • the shape of the infrared radiation block 1131 may be at least one of a polygon, a circle, or an irregular figure;
  • the shape of the mesh 1132 is at least one of a polygon, a circle, or an irregular figure.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Seasonings (AREA)

Abstract

一种吸烟制品（10），吸烟制品（10）包括：烟气发生段（11），具有管壁（111）和管腔（112）；管腔（112）用于容纳气溶胶形成基质；红外辐射层（113），形成在管壁（111）的至少部分内表面上；红外辐射层（113）用于被烟具加热升温而产生红外线并至少以辐射方式加热气溶胶形成基质。通过设置在管壁（111）的内表面上的红外辐射层（113），以使红外辐射层（113）被烟具加热升温而产生红外线并至少以辐射方式加热气溶胶形成基质；红外线波长较长，能够穿透物质，与物体内部分子和原子发生"共振"并产生强烈的振动、旋转，使得物体温度升高，达到加热的目的，使物质整体温度升高，避免了现有吸烟制品存在的受热不均匀的现象，提升了用户的抽吸口感。

Description

吸烟制品
本申请要求于2020年01月13日提交中国专利局，申请号为202010031288.4，发明名称为“吸烟制品”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及烟草技术领域，尤其涉及一种吸烟制品。
背景技术
所属领域中已提出其中烟草被加热而非燃烧的数种气溶胶生成制品。此种‘加热式’吸烟制品的目的是减少因常规香烟中的烟草燃烧和热降解而产生的已知类型的有害烟雾成分。
在气溶胶形成基质经加热的气溶胶生成制品，例如烟草经加热的吸烟制品中，气溶胶形成基质中达到的温度对产生感官上可接受的气溶胶的能力具有显著影响。通常期望将气溶胶形成基质的温度维持在一定范围内，以便优化对使用者的气溶胶递送。
现有吸烟制品被加热的方式通常包括周向加热和中心加热。周向加热时，烟具中的加热器包裹至少部分吸烟制品，吸烟制品靠近加热器的部分温度较高，而吸烟制品中心部分的温度较低；中心加热时，烟具中的加热器的外周与吸烟制品中的烟草直接接触，因此吸烟制品中心部分的温度较高，而吸烟制品外围部分的温度较低。
综上可知，无论是周向加热方式还是中心加热方式，吸烟制品都存在受热不均匀的现象。
申请内容
本申请提供一种吸烟制品，旨在解决现有吸烟制品存在的受热不均匀的现象。
本申请第一方面提供了一种吸烟制品，与用于加热气溶胶形成基质以使所述气溶胶形成基质的至少一种成分挥发的烟具一起使用，所述吸 烟制品包括：
烟气发生段，具有管壁和管腔；所述管腔用于容纳所述气溶胶形成基质；
红外辐射层，形成在所述管壁的至少部分内表面上；所述红外辐射层用于被所述烟具加热升温而产生红外线并至少以辐射方式加热所述气溶胶形成基质。
本申请第二方面提供了一种适用于第一方面所述的吸烟制品的烟具，所述烟具包括：
壳体，所述壳体具有开口，所述吸烟制品可通过所述开口至少部分插入到所述烟具中或从所述烟具中移除；
至少一个加热装置，布置在所述壳体内；所述至少一个加热装置用于在使用时加热所述吸烟制品的气溶胶形成基质，以使所述气溶胶形成基质的至少一种成分挥发。
本申请提供的吸烟制品，通过设置在管壁的内表面上的红外辐射层，以使红外辐射层被烟具加热升温而产生红外线并至少以辐射方式加热气溶胶形成基质；红外线波长较长，能够穿透物质，与物体内部分子和原子发生“共振”并产生强烈的振动、旋转，使得物体温度升高，达到加热的目的，使物质整体温度升高，避免了现有吸烟制品存在的受热不均匀的现象，提升了用户的抽吸口感。
附图说明
一个或多个实施例通过与之对应的附图中的图片进行示例性说明，这些示例性说明并不构成对实施例的限定，附图中具有相同参考数字标号的元件表示为类似的元件，除非有特别申明，附图中的图不构成比例限制。
图1是本申请实施方式提供的吸烟制品示意图；
图2是本申请实施方式提供的吸烟制品中烟气发生段示意图；
图3是本申请实施方式提供的吸烟制品中具有红外反射层的烟气发生段示意图；
图4是本申请实施方式提供的吸烟制品中具有阻燃层的烟气发生段示意图；
图5是本申请实施方式提供的吸烟制品中红外辐射层示意图；
图6是本申请实施方式提供的卷绕镀膜设备示意图。
具体实施方式
为了便于理解本申请，下面结合附图和具体实施方式，对本申请进行更详细的说明。需要说明的是，当元件被表述“固定于”另一个元件，它可以直接在另一个元件上、或者其间可以存在一个或多个居中的元件。当一个元件被表述“连接”另一个元件，它可以是直接连接到另一个元件、或者其间可以存在一个或多个居中的元件。本说明书所使用的术语“上”、“下”、“左”、“右”、“内”、“外”以及类似的表述只是为了说明的目的。
除非另有定义，本说明书所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同。本说明书中在本申请的说明书中所使用的术语只是为了描述具体的实施方式的目的，不是用于限制本申请。本说明书所使用的术语“和/或”包括一个或多个相关的所列项目的任意的和所有的组合。
如图1所示，为本申请实施方式所提供的一种吸烟制品10，包括气溶胶形成基质，与用于加热的烟具一起使用以使所述气溶胶形成基质的至少一种成分挥发。
吸烟制品10包括烟气发生段11和滤嘴段12。
烟气发生段11，内部填充有气溶胶形成基质。烟气发生段11被烟具加热后可使所述气溶胶形成基质的至少一种成分挥发形成气溶胶。
气溶胶形成基质是一种能够释放可形成气溶胶的挥发性化合物的基质。这种挥发性化合物可通过加热该气溶胶形成基质而被释放出来。气溶胶形成基质可以是固体或液体或包括固体和液体组分。气溶胶形成基质可吸附、涂覆、浸渍或以其它方式装载到载体或支承件上。气溶胶形成基质可便利地是气溶胶生成制品或吸烟制品的一部分。
气溶胶形成基质可以包括尼古丁。气溶胶形成基质可以包括烟草，例如可以包括含有挥发性烟草香味化合物的含烟草材料，当加热时所述挥发性烟草香味化合物从气溶胶形成基质释放。优选的气溶胶形成基质可以包括均质烟草材料，例如落叶烟草。气溶胶形成基质可以包括至少一种气溶胶形成剂，气溶胶形成剂可为任何合适的已知化合物或化合物的混合物，在使用中，所述化合物或化合物的混合物有利于稳定气溶胶的形成，并且对在气溶胶生成系统的操作温度下的热降解基本具有抗性。合适的气溶胶形成剂是本领域众所周知的，并且包括但不限于：多元醇，例如三甘醇，1,3-丁二醇和甘油；多元醇的酯，例如甘油单、二或三乙酸酯；和一元、二元或多元羧酸的脂肪酸酯，例如二甲基十二烷二酸酯和二甲基十四烷二酸酯。优选的气溶胶形成剂是多羟基醇或其混合物，例如三甘醇、1,3-丁二醇和最优选的丙三醇。
滤嘴段12，用于过滤所述气溶胶形成基质的挥发的所述至少一种成分并被接收在用户的嘴部中。
在一示例中，滤嘴段12可以包括过滤段和烟嘴端段，过滤段用于过滤所述气溶胶形成基质的挥发的所述至少一种成分，烟嘴端段用于被接收在用户的嘴部中。
需要说明的是，吸烟制品10并不限于上述结构。在一示例中，烟气发生段11和滤嘴段12之间还可设置降温段，降温段可被配置成在进入降温段的一端的所述气溶胶形成基质的挥发的所述至少一种成分与离开降温段的另一端的所述气溶胶形成基质的挥发的所述至少一种成分之间提供一定温差。进而使得用户在抽吸气溶胶，不会感觉到烫嘴，提升用户的抽吸体验。
请参考图2所示，烟气发生段11具有管壁111和管腔112；管腔112用于容纳所述气溶胶形成基质(图中的灰色物质所示)。
红外辐射层113，形成在管壁111的至少部分内表面上；红外辐射层113用于被所述烟具加热升温而产生红外线并至少以辐射方式加热所述气溶胶形成基质。
在该示例中，红外辐射层113为连续膜层，连续膜层形成在管壁111 的内表面上，并包覆管腔112内的气溶胶形成基质。红外辐射层113在吸收所述烟具传递的热量之后，温度升高并可生成一定波长的红外线。
红外辐射层113可以选用氧化物、碳材料、碳化物、氮化物等具有较高红外辐射率的材料制成。具体地如下所示：
金属氧化物及多组分合金氧化物，包括：三氧化二铁、三氧化二铝、三氧化二铬、三氧化二铟、三氧化二镧、三氧化二钴、三氧化二镍、三氧化二锑、五氧化二锑、二氧化钛、二氧化锆、二氧化锰、二氧化铈、氧化铜、氧化锌、氧化镁、氧化钙、三氧化钼等；也可以是以上两种或两种以上金属氧化物的组合；还可以是具有尖晶石、钙钛矿、橄榄石等晶胞结构的陶瓷材料。
碳材料的发射率接近于黑体特性，具有较高的红外辐射率。碳材料，包括：石墨、碳纤维、碳纳米管、石墨烯、类金刚石薄膜等。
碳化物，包括：碳化硅，碳化硅在较大的红外线波长范围内(2.3微米-25微米)具有高发射率，是较好的近全波段红外辐射材料；此外，还有碳化钨、碳化铁、碳化钒、碳化钛、碳化锆、碳化锰、碳化铬、碳化铌等，都具有较高的红外发射率(MeC相不具备严格的化学计算成分和化学式)。
氮化物，包括：金属氮化物和非金属氮化物，其中金属氮化物包括：氮化钛、碳氮化钛、氮化铝、氮化镁、氮化钽、氮化钒等；非金属氮化物包括：氮化硼、五氮化三磷、氮化硅(Si3N4)等。
其他无机非金属材料，包括：二氧化硅、硅酸盐(包括磷硅酸盐、硼硅酸盐等)、钛酸盐、铝酸盐、磷酸盐、硼化物、硫系化合物等。
在该示例中，红外辐射层113的厚度为100nm-3000nm。
以下结合图6的卷绕镀膜设备，对红外辐射层113形成在管壁111的内表面上的制备工艺进行说明：
如图6所示，卷绕镀膜设备包括真空腔体21、放膜卷22、烟纸基膜23、离子源24、气路25、流量阀26、气路27、流量阀28、进气管29、靶材30、镀膜滚筒31、靶材32、抽气孔33、张力轮34、收膜卷35。
卷绕镀膜是在真空环境下应用不同方法在柔性基体上实现连续镀膜的一种技术。卷绕镀膜技术具有以下特点：
1、沉积速度快，基材温升低，适合柔性基材及熔点低的基材；
2、采用离子源24对基材进行轰击，所制备的薄膜与基体结合力好；
3、所制备的薄膜纯度高、致密性好、成膜均匀性好；
4、制备工艺重复性好，可在大面积基材上获得厚度均匀的薄膜，并可以通过调整放膜卷22和收膜卷35的旋转速度以及镀膜工艺(靶材功率、工艺气氛等)精确控制膜层厚度；
5、不同的金属、合金、氧化物、氮化物能够进行混合，同时溅射于基材上。
在烟纸基材上沉积红外辐射涂层113，沉积后再通过裁切、装烟丝、粘接等工艺制备成带红外辐射涂层113的烟支。红外辐射层113为二氧化钛。具体地，采用钛靶，靶电源采用双极脉冲直流磁控溅射电源，通入氩气及适量的氧气作为反应气体，沉积二氧化钛薄膜。制备过程如下：
首先将成卷的烟纸基材安装到放膜卷22上；并将放膜卷22的一端沿镀膜滚筒31及张力轮34绕到收膜卷35上；
关闭所有腔体门，抽真空至5×10-4Pa；
通入氩气及氧气，至0.1Pa；其中，氩气与氧气的比例维持在8:2至9:1之间；
收膜卷35的缠绕速度设置为4m/min；
开启(中频)离子源电源，电源功率设置为800W；离子源可以对烟纸膜表面进行等离子清洗，产生新鲜的表面，可以提高膜层与基体的结合力；
开启与钛靶连接双极脉冲直流磁控溅射电源，电源功率设置为3000W，等离子溅射钛靶，并与氧气反应生成二氧化钛沉积在烟纸基材上；
通过以上工艺，二氧化钛沉积膜厚约为400nm，膜厚均匀性大于90％；通过半球法红外线辐射测试，红外线辐射率高(约为80-95％)，远大于烟纸的红外线辐射率(约为50-70％)。
请参考图3所示，在一示例中，吸烟制品10还包括红外反射层114；红外反射层114设置在红外辐射层113和管壁111的内表面之间。
对于中心加热方式来说，当红外辐射层113吸收所述烟具传递的热量时，产生的红外线可能会通过管壁111透射到吸烟制品10的外部。红外反射层114可避免红外辐射层113产生的红外线通过管壁111透射到吸烟制品10外，提高热量利用率。
在该示例中，红外反射层114包括金属、金属氧化物、氮化物中的至少一种。具体地，可为金、银、镍、铝、金合金、银合金、镍合金、铝合金、金的氧化物、银的氧化物、镍的氧化物和铝的氧化物、氧化钛、氧化锌、二氧化铈中一种或多种制作而成。
以下仍结合图6的卷绕镀膜设备，对红外辐射层113和红外反射层114的制备工艺进行说明：
制备过程中采用双靶，一次性完成镀膜。在烟纸基材上先沉积红外反射层114，再沉积红外辐射层113，在卷烟制作过程中，镀膜面朝向烟丝，这样红外反射层114相比红外辐射层113，远离烟丝的方向。一方面，可以防止烟丝内部的热量通过红外线向外辐射，另一方面，红外辐射层113辐射红外线方向性更好，即向烟丝内部辐射。制备过程如下：
首先将成卷的烟纸基材安装到放膜卷22上；并将放膜卷22的一端沿镀膜滚筒31及张力轮34绕到收膜卷35上；
闭所有腔体门，抽真空至5×10-4Pa；
通入氩气，调节氩气流量，使真空室压力维持在0.1Pa；
收膜卷35的缠绕速度设置为4m/min；
开启(中频)离子源电源，电源功率设置为800W；离子源可以对烟纸膜表面进行等离子清洗，产生新鲜的表面，可以提高膜层与基体的结合力；
开启与铝靶连接的直流电源，电源溅射功率设置为2500W，氩等离子体溅射铝靶，沉积在烟纸基材上，形成红外反射层114；
开启与碳化硅靶相连的射频磁控溅射电源，电源功率设置为3000W，氩等离子溅射碳化硅靶，溅射出的碳化硅等离子直接沉积在烟纸基材上， 形成高红外辐射率的碳化硅膜，即红外辐射层113；
通过以上工艺，铝膜沉积膜厚约为300-500nm，碳化硅膜厚度约为300-550nm，膜厚均匀性大于90％；红外反射率达到95％以上，红外辐射率达到92％以上；
采用以上工艺制成的烟纸做成的烟纸，采用中心加热方式，测试接近烟纸部位的烟丝温度，温度升高到200度所用的时间比采用未镀膜的烟纸做成的烟支，时间缩短5秒(从20秒缩短至15秒)；采用红外周向加热方式，测试接近烟纸部位的烟丝温度，温度升高到200度所用的时间比采用未镀膜的烟纸做成的烟支，时间缩短5秒(从25秒缩短至20秒)。
请参考图4所示，在一示例中，吸烟制品10还包括红外反射阻燃层115；红外反射阻燃层115设置在红外辐射层113和管壁111的内表面之间。
在该示例中，红外反射阻燃层115可选用铝箔或锡箔。铝箔或锡箔作光滑处理，然后在光滑处理的铝箔或锡箔上沉积红外辐射层113。光滑的铝箔或锡箔对红外辐射层113产生的红外线具有一定的反射作用，同时具有一定的阻燃作用。
红外辐射层113的制备工艺可参考前述内容，在此不作赘述。
在一示例中，红外辐射层113可以为非连续膜层。具体地，红外辐射层113可以为图案化的红外辐射层。
请结合图5进行理解，红外辐射层113为网格形状的红外辐射层，所述网格形状的红外辐射层113包括多个红外辐射块1131和多个网孔1132，网孔1132由若干个红外辐射块1131的部分周边围绕形成，网孔1132为不具有红外辐射功能的膜层。
在图5的示例中，红外辐射块1131为正六边形，网孔1132由四个正六边形的红外辐射块1131中的四个边围绕形成的正方形。网孔1132的面积为红外辐射层113的30％-80％。
对于红外周向加热方式来说(烟具产生红外线并至少以辐射方式加热气溶胶形成基质)，红外辐射块1131对烟具产生的红外线存在一定的 吸收，相应的会减少红外线相应波段的穿透管壁111的比例(与此同时，管壁111会吸收红外线升温，然后以红外线的形式向气溶胶形成基质方向辐射)。为了避免该问题，通过设置的网孔1132，网孔1132对烟具产生的红外线不会存在阻挡，红外线可以穿透到吸烟制品10的内部。相对来说，可以提高烟具对吸烟制品10的加热效率。
需要说明的是，红外辐射块1131和网孔1132的形状并限于图5中的情形。在其他示例中，红外辐射块1131的形状可以为多边形、圆形或不规则图形中的至少一种；网孔1132的形状为多边形、圆形或不规则图形中的至少一种。
需要说明的是，本申请的说明书及其附图中给出了本申请的较佳的实施例，但是，本申请可以通过许多不同的形式来实现，并不限于本说明书所描述的实施例，这些实施例不作为对本申请内容的额外限制，提供这些实施例的目的是使对本申请的公开内容的理解更加透彻全面。并且，上述各技术特征继续相互组合，形成未在上面列举的各种实施例，均视为本申请说明书记载的范围；进一步地，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，而所有这些改进和变换都应属于本申请所附权利要求的保护范围。

Claims (10)

  1. 一种吸烟制品，包括气溶胶形成基质，与用于加热的烟具一起使用以使所述气溶胶形成基质的至少一种成分挥发，其特征在于，所述吸烟制品包括：
    烟气发生段，具有管壁和管腔；所述管腔用于容纳所述气溶胶形成基质；
    红外辐射层，形成在所述管壁的至少部分内表面上；所述红外辐射层用于被所述烟具加热升温而产生红外线并至少以辐射方式加热所述气溶胶形成基质。
  2. 根据权利要求1所述的吸烟制品，其特征在于，所述红外辐射层为连续膜层。
  3. 根据权利要求2所述的吸烟制品，其特征在于，所述吸烟制品还包括红外反射层；
    所述红外反射层设置在所述红外辐射层和所述内表面之间。
  4. 根据权利要求3所述的吸烟制品，其特征在于，所述红外反射层包括金属、金属氧化物、氮化物中的至少一种。
  5. 根据权利要求4所述的吸烟制品，其特征在于，所述红外反射层为红外反射阻燃层，所述红外反射阻燃层包括铝箔或锡箔。
  6. 根据权利要求1所述的吸烟制品，其特征在于，所述红外辐射层为非连续膜层。
  7. 根据权利要求6所述的吸烟制品，其特征在于，所述红外辐射层为图案化的红外辐射层。
  8. 根据权利要求1-7任一所述的吸烟制品，其特征在于，所述红外辐射层的厚度为100nm-3000nm。
  9. 根据权利要求1-8任一所述的吸烟制品，其特征在于，所述红外辐射层包括氧化物、碳材料、碳化物、氮化物中的至少一种。
  10. 根据权利要求1-9任一所述的吸烟制品，其特征在于，所述红外辐射层通过卷绕镀膜方法形成在所述管壁的至少部分内表面上。
PCT/CN2021/071510 2020-01-13 2021-01-13 吸烟制品 WO2021143726A1 (zh)

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