WO2023050854A1 - 一种用于电磁感应的多层卷烟纸 - Google Patents

一种用于电磁感应的多层卷烟纸 Download PDF

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Publication number
WO2023050854A1
WO2023050854A1 PCT/CN2022/097072 CN2022097072W WO2023050854A1 WO 2023050854 A1 WO2023050854 A1 WO 2023050854A1 CN 2022097072 W CN2022097072 W CN 2022097072W WO 2023050854 A1 WO2023050854 A1 WO 2023050854A1
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WIPO (PCT)
Prior art keywords
layer
aerosol
electromagnetic induction
cigarette paper
heating
Prior art date
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PCT/CN2022/097072
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English (en)
French (fr)
Inventor
黄婷
刘华臣
吴聪
唐良颖
谭健
Original Assignee
湖北中烟工业有限责任公司
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Publication date
Priority claimed from CN202122394489.3U external-priority patent/CN216304299U/zh
Priority claimed from CN202111159594.7A external-priority patent/CN113699830B/zh
Application filed by 湖北中烟工业有限责任公司 filed Critical 湖北中烟工业有限责任公司
Publication of WO2023050854A1 publication Critical patent/WO2023050854A1/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
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/18—Paper- or board-based structures for surface covering
    • D21H27/22—Structures being applied on the surface by special manufacturing processes, e.g. in presses
    • D21H27/26—Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures
    • D21H27/28—Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures treated to obtain specific resistance properties, e.g. against wear or weather
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply

Definitions

  • the invention relates to the field of heat-not-burn tobacco products, in particular to a multi-layer cigarette paper for electromagnetic induction.
  • Induction heating means that the alternating current generated by the induction heating power supply generates an alternating magnetic field through an inductor, that is, a coil, and a magnetically permeable object is placed in it to cut the alternating magnetic force line, thereby generating an alternating current, that is, an eddy current inside the object, and the eddy current makes the inside of the object
  • an inductor that is, a coil
  • a magnetically permeable object is placed in it to cut the alternating magnetic force line, thereby generating an alternating current, that is, an eddy current inside the object, and the eddy current makes the inside of the object
  • the atoms of the material move irregularly at high speed, and the atoms collide and rub against each other to generate heat energy, which has the effect of heating the object.
  • Heat-not-burn cigarettes based on induction heating are well known to the public due to their high thermal efficiency and fast heating speed.
  • Most of the current electromagnetic induction cigarettes are equipped with induction coils inside the smoking utensils. body, or the tobacco aerosol-forming substrate is directly coated on the receptor, so that the receptor and the induction coil induce each other to heat the tobacco.
  • Arranging receptors in the aerosol-forming matrix of cigarettes cannot be quickly realized in the current cigarette structure, and large-scale modification of cigarette equipment is required, and the production process is relatively complicated; at the same time, the aerosol-forming matrix cannot be fully realized during induction heating fully and evenly heated.
  • the public document CN109497622A discloses a low-temperature cigarette for induction heating, including an aerosol-forming substrate for generating aerosol particles for continuous suction after being heated; a wrapping layer for wrapping the aerosol-forming substrate, the The wrapping layer is composed of an inductor and cigarette paper, and the inductor can generate thermal energy in an alternating magnetic field for heating the aerosol-forming substrate; a filter section is used to abut against the upstream end of the aerosol-forming substrate .
  • the low-temperature cigarette for induction heating the wrapping layer composed of the inductor and the cigarette paper is in the alternating magnetic field, and the aerosol generating matrix placed in the wrapping layer is heated to generate aerosol particles, but the receptor is located in the aerosol generating Outside the matrix, when heated, the heat generated by the receptors is difficult to penetrate deep into the center of the aerosol-generating matrix, resulting in the problem of uneven heating.
  • the purpose of the present invention is to propose a multi-layer cigarette paper for electromagnetic induction, aiming at the deficiencies of the above-mentioned prior art, by sequentially arranging a heat-insulating layer and a heating layer in the cigarette paper, under the barrier of the heat-insulating layer, The heat generated by the heating layer is confined inside the heat insulating layer, and is gradually transferred from the periphery of the aerosol-generating substrate to its center, so that the aerosol-generating substrate is fully and uniformly heated.
  • the present invention proposes a multi-layer cigarette paper for electromagnetic induction, comprising an outer wrapping layer, a heat insulating layer and a heating layer stacked in sequence, the heating layer is arranged on the heat insulating layer, and the heating layer is used for Under the induction of an alternating magnetic field, the aerosol-generating substrate wrapped in it is heated to generate an aerosol.
  • the preferred technical solution of the present invention also includes a thermally conductive fixed layer, the heating layer is arranged between the heat insulating layer and the fixed layer, the fixed layer is in direct contact with the aerosol generating substrate, and the heating layer The heating of the layer by electromagnetic induction heats the aerosol-generating substrate through the fixed layer.
  • the heating layer is composed of receptors capable of generating induced current under the action of an alternating magnetic field.
  • the heating layer is arranged on the heat insulation layer or the fixing layer by means of spraying, adhesion, lamination, sintering and bonding.
  • heat-insulating paint is arranged on the heat-insulating layer.
  • the preferred technical solution of the present invention further includes an infrared material arranged inside the heat insulation layer to enhance heat radiation.
  • the heating layer is provided with branches extending toward the inside of the aerosol generating matrix.
  • the heating layer is provided with a partition connecting the inner wall of the heating layer and dividing the aerosol generating matrix into a plurality of small cavities.
  • the preferred technical solution of the present invention is to provide an aerosol generating product including an aerosol generating substrate capable of generating aerosol after being heated and the above-mentioned multi-layer cigarette paper for electromagnetic induction, which is used for electromagnetic induction Multiple layers of cigarette paper wrap the aerosol-generating substrate to form an aerosol-generating article.
  • a heat-insulating layer and a heating layer are arranged in sequence on the cigarette paper, the heating layer heats the aerosol-generating substrate arranged therein, and the heat-insulating layer is arranged outside the heating layer to prevent the heating layer from inducing
  • the generated heat is diffused, so that the heat is confined in the space defined by the heat insulation layer, so that the heat generated by the heating layer is gradually transferred from the outer periphery of the aerosol-generating substrate to its center, so that the aerosol-generating substrate is fully and uniformly heated .
  • the branches extending to the inside of the aerosol-generating matrix on the heating layer when the aerosol-generating product is in the alternating magnetic field, it is wrapped in the heating layer around the aerosol-generating matrix and penetrates into the aerosol-generating matrix.
  • the branches inside the aerosol-generating substrate can simultaneously heat the inside and outside of the aerosol-generating substrate, so that the aerosol-generating substrate is evenly heated.
  • Fig. 1 is a cross-sectional view of a multilayer cigarette paper for electromagnetic induction according to an embodiment of the present invention.
  • Fig. 2 is a cross-sectional view from another perspective of the embodiment of the present invention.
  • Fig. 3 is a cross-sectional view of another embodiment of the multi-layer cigarette paper for electromagnetic induction according to the embodiment of the present invention.
  • Fig. 4 is a cross-sectional view from another perspective of another embodiment of the present invention.
  • Fig. 5 is a schematic diagram of another embodiment of the heating layer according to the embodiment of the present invention.
  • Fig. 6 is a schematic diagram of another embodiment of the heating layer according to the embodiment of the present invention.
  • Figure 7 is a schematic diagram of an aerosol-generating article according to an embodiment of the present invention.
  • Aerosol generating matrix 1. Heating layer; 21. Branches; 22. Partition; 221. Small cavity; 3. Thermal insulation layer; 4. Outer cladding; 5. Fixed layer; Produced product; 10, heating part; 20, cooling part; 30, filter tip section.
  • a multi-layer cigarette paper for electromagnetic induction comprising an outer wrapping layer 4, a heat insulating layer 3 and a heating layer 2 stacked in sequence, the heating layer 2 is arranged on the heat insulating layer 3, and the heating layer 2 is used for alternating Under the induction of the variable magnetic field, the aerosol generating substrate 1 wrapped therein is heated to generate aerosol.
  • the material of the outer cladding 4 is cigarette paper suitable for heat-not-burn cigarettes, or a composite material containing metal or non-metal with good thermal properties, so as to avoid deformation and damage of the outer cladding 4 due to high temperature during heating;
  • the thermal insulation coating, the thermal insulation layer 3 is arranged on the outer cladding 4 by means of spraying, or adhesion, or lamination, or sintering, or bonding, so that in the space defined by the thermal insulation layer 3, the heating layer 2
  • the heat generated is gradually transmitted from the periphery of the aerosol-generating substrate 1 to its center, so that the aerosol-generating substrate 1 is fully and uniformly heated;
  • the material of the heating layer 2 is a receptor made of any material that can be heated by induction. Arranged on the heat insulation layer 3 by spraying, or adhering, or laminating, or sintering, or bonding, etc., to heat the aerosol generating substrate 1 placed inside.
  • the heating layer 2 is composed of one or more receptor materials capable of generating alternating current under the action of an alternating magnetic field, such as ferrite, ferromagnetic steel or stainless steel, etc.;
  • the heating layer 2 further includes an infrared material capable of transferring heat through infrared radiation, for example, at least one of iron-based, nickel-cobalt-based, carbide and other materials.
  • the heating layer 2 is arranged on the heat insulation layer 3 in the form of strips, sheets or granules.
  • the infrared layer composed of infrared material is arranged on any level inside the heat insulation layer 3, so that when the heat generated by the heating layer 2 is gathered inside by the heat insulation layer 3, the heat radiation through the infrared layer is more comprehensive. Aerosol generating substrate 1 is heated.
  • the susceptor on the heating layer 2 induces heat under the action of the alternating magnetic field.
  • the infrared material radiates heat energy and transfers the heat to the interior in an all-round way to improve thermal efficiency; and because the heat insulation layer 3 is arranged on the outside of the heating layer 2,
  • the heat generated by the heating layer 2 is gathered inside by the heat insulating layer 3 to avoid heat dissipation, so that the heat can be concentrated in the aerosol generating matrix 1 inside the heat insulating layer 3 to heat it, so as to improve the heat utilization rate.
  • FIG. 3 and Figure 4 Another embodiment of a multilayer cigarette paper for electromagnetic induction, further comprising a fixed layer 5 arranged on the heating layer 2, the heating layer 2 is sprayed, or adhered, or laminated, or sintered, or bonded etc. are arranged between the heat insulating layer 3 and the fixed layer 5, so as to avoid the situation that the heating layer 2 is not firmly attached to the heat insulating layer 3 when the susceptor on the heating layer 2 is in the form of particles, and provide another for the heating layer 2.
  • the fixed layer 5 is in direct contact with the aerosol generating substrate 1, and the material of the fixed layer 5 is metal or nonmetal with good thermal conductivity, such as ceramics, glass, etc.; Under the effect of heating, the temperature is raised and the heat is transferred to the aerosol generating substrate 1 through the fixed layer 5 with good thermal conductivity to generate aerosol.
  • the heating layer 2 is provided with branches 21 extending to the inside of the aerosol generating substrate 1, and the branches 21 are made of any material capable of being heated by induction formed receptors, so that when the aerosol-generating product made of multi-layer cigarette paper for electromagnetic induction is heated under the action of the induction coil, the heating layer 2 wrapped outside the aerosol-generating substrate 1 and the aerosol
  • the branches 21 inside the generating substrate 1 can be heated at the same time, so that the temperature of the outside and the inside of the aerosol generating substrate 1 can be induced to rise simultaneously, and the aerosol generating substrate 1 can be evenly and comprehensively heated.
  • the heating layer 2 is provided with a partition 22 that connects the inner wall of the heating layer 2 and divides the aerosol-generating substrate 1 into multiple regions.
  • 22 is composed of receptors made of any material that can be heated by induction; at least two partitions 22 communicate with each other and connect with the heating layer 2, so as to surround the space surrounded by the heating layer 2 for arranging the aerosol generating substrate 1 Separated by the partition 22 into a plurality of independent small cavities 221, the plurality of independent small cavities 221 are wrapped by the partition 22 and the heating layer 2, and are used to place the aerosol generating substrate 1 in the small cavity 221 and its interior in the alternating magnetic field In the middle, the heating layer 2 and the partition 22 can heat the aerosol generating substrate 1 at the same time; because the small cavity 221 composed of the aerosol generating substrate 1 and the partition 22 will be divided into a plurality of small volumes, the heating layer wrapped around it 2 and the heat generated by the partition 22 is more easily transferred to
  • An aerosol generating product 00 which is used to generate aerosol particles by induction heating in an alternating magnetic field; it includes a heating part 10, a cooling part 20 and a filter segment 30, and the heating part 10 is composed of an aerosol generating matrix 1 and wrapped in an aerosol
  • the outer periphery of the generation matrix 1 is composed of multi-layer cigarette paper for electromagnetic induction.
  • the heating part 10 is placed in an alternating magnetic field, and the receptor on the heating layer 2 is heated by induction to heat the aerosol generation matrix 1 placed therein and make it generate aerosol.
  • the cooling part 20 is used to cool the high-temperature aerosol particles generated by the heating part 10, so that the aerosol particles are cooled to a suitable suction temperature;
  • the filter section 30 is used to cool the air The aerosol particles are filtered, and the impurities are filtered to make the aerosol particles achieve a suitable taste and bring a comfortable suction experience.
  • the term “comprises”, “comprises” or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase “comprising a” does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.
  • each preferred solution only focuses on the difference from other solutions. As long as there is no conflict, each preferred solution can be combined arbitrarily, and the embodiments formed after the combination are also within the scope of this specification. Considering this For brevity, the embodiment formed by the combination will not be separately described herein.

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  • General Induction Heating (AREA)

Abstract

本发明提供一种用于电磁感应的多层卷烟纸。该用于电磁感应的多层卷烟纸包括依次叠置的外包层、隔热层和加热层，所述加热层布置在所述隔热层上，所述加热层用以在交变磁场的感应下、对被包裹于其中的气溶胶生成基质进行加热而生成气溶胶。本发明通过在卷烟纸中依次设置隔热层和加热层，使在隔热层的阻隔下，加热层产生的热量被约束在隔热层内部，并由气溶胶生成基质外周逐步向其中心热传递，从而使气溶胶生成基质被充分、均匀地加热。

Description

一种用于电磁感应的多层卷烟纸 技术领域
本发明涉及加热不燃烧烟草制品领域，具体涉及一种用于电磁感应的多层卷烟纸。
 背景技术
感应加热是指，感应加热电源产生的交变电流通过感应器即线圈产生交变磁场，导磁性物体置于其中切割交变磁力线，从而在物体内部产生交变的电流即涡流，涡流使物体内部的原子高速无规则运动，原子互相碰撞、摩擦而产生热能，从而起到加热物品的效果。
基于感应加热的加热不燃烧卷烟因其热效率高、升温速度快等特点正为大众所熟知，目前的电磁感应型卷烟大多是在烟具内部设置感应线圈，通过在烟支气溶胶形成基质内部布置感受体，或是将烟支气溶胶形成基质直接涂布到感受体上，从而使感受器与感应线圈相互感应对烟草进行加热。在烟支气溶胶形成基质中布置感受体，在目前卷烟结构中无法快速实现，需要对卷烟设备进行大规模改造，并且生产工艺较复杂；同时，在感应加热时，无法完全实现气溶胶形成基质的充分均匀加热。
 技术问题
公开文件CN109497622A公开了一种用于感应加热的低温卷烟，包括气雾形成基质，用于受热后产生可供连续抽吸的气溶胶颗粒；包裹层，用于包裹所述气雾形成基质，所述的包裹层由感应器和卷烟纸组成，所述的感应器能够在交变磁场中产生热能，用于加热所述气雾形成基质；过滤嘴段，用于与气雾形成基质上游端相抵接。该用于感应加热的低温卷烟，感应器和卷烟纸组成的包裹层在交变磁场内，对置于包裹层内的气溶胶生成基质进行加热使其产生气溶胶颗粒，但感受器位于气溶胶生成基质外部，加热时，感受器产生的热量难以深入到气溶胶生成基质中心处，造成加热不均的问题。
 技术解决方案
本发明的目的在于，针对上述现有技术的不足，提出一种用于电磁感应的多层卷烟纸，通过在卷烟纸中依次设置隔热层和加热层，使在隔热层的阻隔下，加热层产生的热量被约束在隔热层内部，并由气溶胶生成基质外周逐步向其中心热传递，从而使气溶胶生成基质被充分、均匀地加热。
本发明提出一种用于电磁感应的多层卷烟纸，包括依次叠置的外包层、隔热层和加热层，所述加热层布置在所述隔热层上，所述加热层用以在交变磁场的感应下、对被包裹于其中的气溶胶生成基质进行加热而生成气溶胶。
本发明较优的技术方案：还包括可导热的固定层，所述加热层布置在所述隔热层和所述固定层之间，所述固定层与气溶胶生成基质直接接触，所述加热层在电磁感应下升温通过所述固定层对气溶胶生成基质进行加热。
本发明较优的技术方案：所述加热层由能在交变磁场作用下产生感应电流的感受体组成。
本发明较优的技术方案：所述加热层通过喷涂、粘附、层压、烧结、粘接的方式布置于所述隔热层或者所述固定层上。
本发明较优的技术方案：所述隔热层上布置有隔热涂料。
本发明较优的技术方案：还包括布置于所述隔热层内侧的、用以加强热辐射的红外材料。
本发明较优的技术方案：所述加热层上设置有向所述气溶胶生成基质内部延伸的枝部。
本发明较优的技术方案：所述加热层上设置有连接所述加热层内壁、将所述气溶胶生成基质分割成多个小腔体的隔断。
本发明较优的技术方案：还提供一种气溶胶生成制品包括受热后能够产生气溶胶的气溶胶生成基质和如上所述的用于电磁感应的多层卷烟纸，所述用于电磁感应的多层卷烟纸包裹所述气溶胶生成基质以形成气溶胶生成制品。
 有益效果
本发明的一种用于电磁感应的多层卷烟纸有以下有益效果：
1、本发明提供的方案，在卷烟纸上设置依次隔热层和加热层，加热层对布置于其内的气溶胶生成基质进行加热，隔热层设置于加热层外部，以防止加热层感应产生的热量扩散，使热量约束在由隔热层所界定的空间内，这样加热层所产生的热量由气溶胶生成基质外周逐步向其中心传递，从而使气溶胶生成基质被充分、均匀地加热。
2、本发明提供的方案，通过在加热层上设计向气溶胶生成基质内部延伸的枝部，使气溶胶生成制品在交变磁场内时，包裹于气溶胶生成基质外周的加热层以及深入到气溶胶生成基质内部的枝部能同时对气溶胶生成基质的内外进行加热，使气溶胶生成基质受热均匀。
 附图说明
并入到说明书中并且构成说明书的一部分的附图示出了本发明的实施例，并且与描述一起用于解释本发明的原理。在这些附图中，类似的附图标记用于表示类似的要素。下面描述中的附图是本发明的一些实施例，而不是全部实施例。对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，可以根据这些附图获得其他的附图。
图1为本发明实施例用于电磁感应的多层卷烟纸的剖视图。
图2为本发明实施例另一视角的剖视图。
图3为本发明实施例用于电磁感应的多层卷烟纸另一实施例的剖视图。
图4为本发明实施例另一实施例另一视角的剖视图。
图5为本发明实施例加热层另一实施例示意图。
图6为本发明实施例加热层另一实施例示意图。
图7为本发明实施例气溶胶生成制品的示意图。
图中：1、气溶胶生成基质；2、加热层；21、枝部；22、隔断；221、小腔体；3、隔热层；4、外包层；5、固定层；00、气溶胶生成制品；10、加热部；20、冷却部；30、滤嘴段。
 本发明的实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互任意组合。
请参阅图1和图2。一种用于电磁感应的多层卷烟纸，包括依次叠置的外包层4、隔热层3和加热层2，加热层2布置在所述隔热层3上，加热层2用以在交变磁场的感应下、对被包裹于其中的气溶胶生成基质1进行加热而生成气溶胶。
外包层4的材料是适用于加热不燃烧卷烟的卷烟纸，或者是含有热性能良好的金属或非金属的复合材料，以避免加热时高温使得外包层4变形损坏；隔热层3上布置有隔热涂料，隔热层3通过喷涂、或粘附、或层压、或烧结、或粘接等方式布置于外包层4上，以将由隔热层3所界定的空间内，加热层2所产生的热量由气溶胶生成基质1外周逐步向其中心传递，从而使气溶胶生成基质1被充分、均匀地加热；加热层2的材料是能够通过感应方式加热的任何材料制成的感受体，通过喷涂、或粘附、或层压、或烧结、或粘接等方式布置于隔热层3上，以对置于内部的气溶胶生成基质1进行加热。
优选地，加热层2由能在交变磁场作用下产生交变电流的一种或一种以上感受体材料组成，例如铁素体、铁磁性钢或不锈钢等；
优选地，加热层2还包括能够通过红外辐射传递热量的红外材料，例如，是铁系、镍钴系、碳化物等材料的至少一种。加热层2是条状、片状或颗粒状等布置于隔热层3上。
优选地，由红外材料组成的红外层布置于隔热层3内侧的任意层级上，以使加热层2产生的热量被隔热层3聚集在内部时，经红外层的热辐射更为全面的加热气溶胶生成基质1。
加热层2上的感受体在交变磁场的作用下感应发热，同时，红外材料辐射热能，全方位的将热量传递至内部，以提高热效率；且由于隔热层3布置在加热层2外侧，加热层2产生的热量被隔热层3聚集在内部，避免热量消散，使热量能集中在隔热层3内部的气溶胶生成基质1里对其进行加热，以提高热利用率。
请参阅图3和图4。一种用于电磁感应的多层卷烟纸的另一实施例，还包括布置于加热层2上的固定层5，加热层2通过喷涂、或粘附、或层压、或烧结、或粘接等方式布置在隔热层3和固定层5之间，以避免加热层2上的感受体为颗粒形态时，加热层2附着在隔热层3上不牢固的情况，为加热层2提供另一附着面，避免加热层2的脱落。需要说明的是，本实施例中固定层5直接与气溶胶生成基质1接触，固定层5的材料是导热性良好的金属或非金属，例如陶瓷、玻璃等；以在加热层2在电磁感应作用下加热升温并通过导热良好的固定层5将热量传递至气溶胶生成基质1使其生成气溶胶。
请参阅图5。一种用于电磁感应的多层卷烟纸的另一实施例，加热层2上设置有向气溶胶生成基质1内部延伸的枝部21，枝部21是由能够通过感应方式加热的任何材料制成的感受体组成，以使得当用于电磁感应的多层卷烟纸制成的气溶胶生成制品在感应线圈的作用下加热时，包裹在气溶胶生成基质1外部的加热层2以及位于气溶胶生成基质1内部的枝部21能同时加热，使气溶胶生成基质1外部、内部同时感应升温，气溶胶生成基质1均匀、全面地受热。
请参阅图6。 一种用于电磁感应的用于电磁感应的多层卷烟纸的另一实施例，加热层2上设置有连接加热层2内壁、将气溶胶生成基质1分割成多块区域的隔断22，隔断22是由能够通过感应方式加热的任何材料制成的感受体组成；至少二个隔断22相互连通并与加热层2连接，以将加热层2围成的用以布置气溶胶生成基质1的空间被隔断22分隔成多个独立的小腔体221，多个独立的小腔体221被隔断22及加热层2包裹，用以在小腔体221及其内部气溶胶生成基质1位于交变磁场中时，加热层2及隔断22能同时对气溶胶生成基质1进行加热；由于气溶胶生成基质1被隔断22组成的小腔体221将分隔成多个小体积，包裹在其外部的加热层2和隔断22产生的热量更容易传递至小腔体221内部，小腔体221内的气溶胶生成基质1受热更均匀。
请参阅图7。一种气溶胶生成制品00，用以在交变磁场中感应受热产生气溶胶颗粒；包括加热部10、冷却部20和滤嘴段30，加热部10由气溶胶生成基质1和包裹在气溶胶生成基质1外周的用于电磁感应的多层卷烟纸组成，加热部10置于交变磁场中，加热层2上的感受体感应受热加热置于其中的气溶胶生成基质1并使其产生气溶胶颗粒；冷却部20用以对由加热部10产生的高温气溶胶颗粒进行降温，以使得气溶胶颗粒降温至合适抽吸的温度；滤嘴段30用以对由冷却部20降温后的气溶胶颗粒进行过滤，过滤其中杂质以使得气溶胶颗粒达到合适的口感，带来舒适的抽吸体验。
上面描述的内容可以单独地或者以各种方式组合起来实施，而这些变型方式都在本发明的保护范围之内。
需要说明的是，在本申请的描述中，需要说明的是，指示的方位或位置关系的术语“上端”、“下端”、“底端”为基于附图所示的方位或位置关系，或者是该申请产品使用时惯常摆放的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包含一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个…”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
本文中，各个优选方案仅仅重点描述的是与其他方案的不同，各个优选方案只要不冲突，都可以任意组合，组合后所形成的实施例也在本说明书所公开的范畴之内，考虑到本文简洁，本文就不再对组合所形成的实施例进行单独描述。
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制。尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (9)

  1. 一种用于电磁感应的多层卷烟纸，其特征在于，包括依次叠置的外包层（4）、隔热层（3）和加热层（2），所述加热层（2）布置在所述隔热层（3）上，所述加热层（2）用以在交变磁场的感应下、对被包裹于其中的气溶胶生成基质（1）进行加热而生成气溶胶。
  2. 根据权利要求1所述的一种用于电磁感应的多层卷烟纸，其特征在于，还包括可导热的固定层（5），所述加热层（2）布置在所述隔热层（3）和所述固定层（5）之间，所述固定层（5）与气溶胶生成基质（1）直接接触，所述加热层（2）在电磁感应下升温通过所述固定层（5）对气溶胶生成基质（1）进行加热。
  3. 根据权利要求2所述的一种用于电磁感应的多层卷烟纸，其特征在于，所述加热层（2）由能在交变磁场作用下产生感应电流的感受体组成。
  4. 根据权利要求3所述的一种用于电磁感应的多层卷烟纸，其特征在于，所述加热层（2）通过喷涂、粘附、层压、烧结、粘接的方式布置于所述隔热层（3）或者所述固定层（5）上。
  5. 根据权利要求1所述的一种用于电磁感应的多层卷烟纸，其特征在于，所述隔热层（3）上布置有隔热涂料。
  6. 根据权利要求1所述的一种用于电磁感应的多层卷烟纸，其特征在于，还包括布置于所述隔热层（3）内侧的、用以加强热辐射的红外材料。
  7. 根据权利要求1所述的一种用于电磁感应的多层卷烟纸，其特征在于，所述加热层（2）上设置有向所述气溶胶生成基质（1）内部延伸的枝部（21）。
  8. 根据权利要求1所述的一种用于电磁感应的多层卷烟纸，其特征在于，所述加热层（2）上设置有连接所述加热层（2）内壁、将所述气溶胶生成基质（1）分割成多个小腔体（221）的隔断（22）。
  9. 一种气溶胶生成制品，其特征在于，包括受热后能够产生气溶胶的气溶胶生成基质（1）和如权利要求1-7任意一项的用于电磁感应的多层卷烟纸，所述用于电磁感应的多层卷烟纸包裹所述气溶胶生成基质（1）以形成气溶胶生成制品（00）。
PCT/CN2022/097072 2021-09-30 2022-06-06 一种用于电磁感应的多层卷烟纸 WO2023050854A1 (zh)

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