WO2018214953A1 - 具有降低烟气温度和防止嘴棒热塌陷的低温卷烟 - Google Patents

具有降低烟气温度和防止嘴棒热塌陷的低温卷烟 Download PDF

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Publication number
WO2018214953A1
WO2018214953A1 PCT/CN2018/088370 CN2018088370W WO2018214953A1 WO 2018214953 A1 WO2018214953 A1 WO 2018214953A1 CN 2018088370 W CN2018088370 W CN 2018088370W WO 2018214953 A1 WO2018214953 A1 WO 2018214953A1
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WO
WIPO (PCT)
Prior art keywords
temperature
hollow section
resistant
cigarette
heat
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PCT/CN2018/088370
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English (en)
French (fr)
Inventor
刘华臣
陈义坤
柯炜昌
罗诚浩
刘冰
Original Assignee
湖北中烟工业有限责任公司
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Publication date
Priority to CA3063952A priority Critical patent/CA3063952A1/en
Priority to US16/616,652 priority patent/US11439178B2/en
Priority to NZ759566A priority patent/NZ759566B2/en
Priority to AU2018272358A priority patent/AU2018272358B2/en
Priority to GB1917163.6A priority patent/GB2575958B/en
Priority to JP2019565439A priority patent/JP2020522245A/ja
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
Priority to RU2019143769A priority patent/RU2739432C1/ru
Priority to EP18805047.0A priority patent/EP3632231A4/en
Priority to KR1020197036793A priority patent/KR20200007019A/ko
Publication of WO2018214953A1 publication Critical patent/WO2018214953A1/zh
Priority to PH12019550245A priority patent/PH12019550245A1/en
Priority to ZA2019/08533A priority patent/ZA201908533B/en

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    • 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
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/17—Filters 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
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • A24D1/042—Cigars; Cigarettes with mouthpieces or filter-tips with mouthpieces
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/10—Chemical features of tobacco products or tobacco substitutes
    • A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
    • A24B15/167—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes in liquid or vaporisable form, e.g. liquid compositions for electronic cigarettes
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/281—Treatment of tobacco products or tobacco substitutes by chemical substances the action of the chemical substances being delayed
    • A24B15/283—Treatment of tobacco products or tobacco substitutes by chemical substances the action of the chemical substances being delayed by encapsulation of the chemical substances
    • 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
    • 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
    • A24D1/002—Cigars; Cigarettes with additives, e.g. for flavouring
    • 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
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • 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
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • A24D1/045—Cigars; Cigarettes with mouthpieces or filter-tips with smoke filter means
    • 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
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • 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
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/061—Use of materials for tobacco smoke filters containing additives entrapped within capsules, sponge-like material or the like, for further release upon smoking
    • 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
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/062—Use of materials for tobacco smoke filters characterised by structural features
    • 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
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/067—Use of materials for tobacco smoke filters characterised by functional properties

Definitions

  • the invention relates to the field of novel cigarette technology, in particular to a low temperature cigarette having a temperature of reducing flue gas and preventing thermal collapse of the nozzle bar.
  • Low-temperature cigarettes heat the tobacco through external heating elements.
  • the atomizing medium in the cigarette, the aroma components in the tobacco and the fragrant scent generate smoke by heating instead of burning, reducing the burning and thermal degradation of tobacco in traditional cigarettes.
  • An important component of a new type of cigarette heated by an external heat source is the cigarette of the heated cigarette, which is a tobacco product that releases a smoke aerosol under low temperature heating conditions.
  • the tobacco product reaches an atomization temperature at a temperature generally between 200 ° C and 400 ° C.
  • the temperature at which the high temperature atomized flue gas enters the oral cavity through the filter segment is higher than the temperature at which the ordinary cigarette is burned.
  • Chinese patent No. CN201610246284.1 discloses a method for reducing the temperature of flue gas by means of recirculation of flue gas in the cigarette, but the structure of the cigarette is not suitable for peripheral heating, and the peripheral heating is due to the tobacco to smoke section.
  • the length of the tobacco in the cigarette is basically the same as the heated area, and it will cause the nozzle stick near the tobacco end to be prone to thermal collapse during the heating process, resulting in deformation of the nozzle and difficulty in reducing the temperature of the cigarette.
  • the present invention provides a low temperature cigarette cigarette which reduces the temperature of the flue gas and prevents the thermal collapse of the nozzle bar.
  • the invention relates to a low temperature cigarette with reduced flue gas temperature and preventing thermal collapse of the nozzle bar, comprising a filter connected in sequence, a temperature resistant hollow section and a tobacco section, wherein the temperature resistant hollow section is composed of a temperature resistant hollow section outer casing and a temperature resistant hollow section hollow layer.
  • the temperature-resistant hollow section is rolled into a hollow rod-like structure by a high-temperature resistant material, and the high temperature resistant material forms a temperature resistant hollow section outer casing, and the cavity structure enclosed by the temperature resistant hollow section outer casing is a hollow layer of the temperature resistant hollow section, resistant to
  • the inner layer of the hollow hollow section is coated with a phase change heat absorbing material or a phase change heat absorbing material is wrapped in the hollow layer of the temperature resistant hollow section.
  • the tobacco segment is composed of the following components in terms of mass percentage: 5%-77% of tobacco shreds, 20%-92% of tobacco flakes, 2%-40% of nebulizer, 0-10% of excipients, and 0.1% of tobacco extract. %-20%, tobacco flavors and fragrances 0.01%-6%, heat-sensitive capsules 0-5%, heat-sensitive capsules are coated with perfume water or water, and the heat-sensitive capsules are heated to a temperature exceeding 210 ° C, and are contained in the release. The fragrance water or water, through the heat absorption of water or spices, reduces the temperature of the cigarette smoke.
  • a frangible spice capsule is added to the filter segment.
  • the hollow layer of the temperature resistant hollow section is a loose porous structure or a hollow structure, wherein the porous porous structure has a ventilation direction that is consistent with the flow direction of the smoke flow.
  • the cross-sectional shape of the hollow structure is a circle, a square, a rectangle or a triangle.
  • phase change endothermic material comprises one of a hydroxy acrylic resin and a polylactic acid or a mixture thereof.
  • the high temperature resistant material is a high temperature resistant fibrous material, a ceramic material, a nonwoven fabric, or paper.
  • the temperature resistant hollow segment outer casing has a wall thickness of 0.5-1.1 mm.
  • the filter is provided with a hollow section near or away from the tube-resistant temperature control hollow section.
  • an air hole communicating with the hollow layer of the temperature resistant hollow section is formed on the outer wall of the temperature resistant hollow section.
  • a low temperature cigarette having a reduced flue gas temperature and preventing thermal collapse of a nozzle bar comprising a filter, a tobacco segment, a temperature resistant hollow section disposed between the filter and the tobacco section, the temperature resistant hollow section being composed of a temperature resistant hollow section outer casing and
  • the temperature-resistant hollow segment is composed of a hollow layer, and the temperature-resistant hollow segment is prepared by a high-temperature resistant material into a hollow rod-like structure, and the high-temperature resistant material forms a temperature-resistant hollow segment outer casing, and the cavity structure enclosed by the temperature resistant hollow segment outer casing is temperature resistant.
  • the hollow section hollow layer, the inner layer of the temperature resistant hollow section is provided with a heat absorbing material or the hollow layer of the temperature resistant hollow section is filled with a heat absorbing material.
  • the heat absorbing material comprises one of hydroxy acrylic resin, polylactic acid, polyethylene, polymethyl methacrylate, polyethylene terephthalate, polypropylene, polyvinyl chloride, ceramic, metal or It's mixed.
  • a hollow section is disposed between the temperature resistant hollow section and the tobacco section, and the hollow section is formed by an outer casing having no heat absorbing property.
  • the outer wall of the filter segment is provided with air holes in the radial direction.
  • the invention has the beneficial effects that: (1) the temperature-resistant hollow section in the cigarette section can be designed to better match the peripheral heater while being able to adapt to the inner core heater, and does not cause the heat conducted by the outer casing when the outer heating is performed.
  • FIG. 1 is a schematic structural view of a first embodiment of a low temperature cigarette according to the present invention which can reduce the temperature of the flue gas and prevent thermal collapse of the nozzle;
  • FIG. 2 is a schematic structural view of a second embodiment of a low-temperature cigarette according to the present invention for reducing the temperature of the flue gas and preventing thermal collapse of the nozzle;
  • FIG. 3 is a schematic structural view of a third embodiment of a low temperature cigarette according to the present invention which can reduce the temperature of the flue gas and prevent thermal collapse of the nozzle;
  • FIG. 4 is a schematic structural view of a fourth embodiment of a low temperature cigarette according to the present invention for reducing the temperature of the flue gas and preventing thermal collapse of the nozzle;
  • Fig. 5 is a schematic view showing the structure of the fifth embodiment of the low-temperature cigarette which can reduce the temperature of the flue gas and prevent the thermal collapse of the nozzle bar of the present invention.
  • 1 filter section
  • 2 tobacco section
  • 3 temperature resistant hollow section shell
  • 4 temperature resistant hollow section hollow layer
  • 5-ventilation 6
  • 7 solid filter hollow layer
  • 8-easy Crushed spice capsule 9 - endothermic layer.
  • the invention relates to a low-temperature cigarette which can reduce the temperature of the flue gas and prevent the thermal collapse of the nozzle bar, and comprises a filter 1, a temperature-resistant hollow section and a tobacco section 2 which are sequentially connected, wherein the temperature-resistant hollow section is composed of a temperature-resistant hollow section shell 3 and a heat absorbing layer 9
  • the temperature-resistant hollow segment hollow layer 4 and the composition, the temperature-resistant hollow layer 4 is a hollow structure, and the inner layer of the temperature-resistant hollow segment outer casing 3 can be coated with a heat absorbing layer 9 of a phase change heat absorbing material (for example, polylactic acid). Alternatively, the phase change heat absorbing material is wrapped in the hollow layer 4 of the temperature resistant hollow section.
  • the temperature-resistant hollow segment outer casing 3 of the temperature-resistant hollow section can be made of a high temperature resistant material, such as a high temperature resistant fiber material, a ceramic material, a non-woven fabric, a paper, wherein the fiber material can be a natural fiber, a man-made fiber, etc. which can withstand a certain high temperature.
  • a high temperature resistant material such as a high temperature resistant fiber material, a ceramic material, a non-woven fabric, a paper, wherein the fiber material can be a natural fiber, a man-made fiber, etc. which can withstand a certain high temperature.
  • the hollow layer of the temperature-resistant hollow segment is a loose porous structure or a hollow structure, wherein the porous porous ventilation direction is optimally consistent with the direction of the smoke flow, that is, the direction of the flow of the smoke is not changed, and the suction resistance of the cigarette is not affected.
  • the temperature-resistant hollow segment outer casing 3 is rolled from a hollow paper into a hollow rod-like structure, and the wall thickness of the hollow paper rod (i.e., the thickness of the temperature-resistant hollow segment outer casing 3) is 0.6 mm.
  • the hot air in the heated tobacco section 2 flows in the direction of the cigarette to the hollow layer 4 of the temperature resistant hollow section, and is mixed with the cold air of the hollow layer 4 of the temperature resistant hollow section.
  • the inner layer of the temperature-resistant hollow segment outer casing 3 is coated with a heat absorbing layer 9 of a phase change heat absorbing material, and the phase change material absorbs heat in the hot gas flow through a phase change, thereby reducing the temperature in the flue gas.
  • the heat of the cigarette transferred from the cigarette paper casing passes through the tobacco section 2 and is blocked by the temperature-resistant hollow section, thereby avoiding direct contact of the heat directly with the filter 1, reducing the heating temperature of the filter 1 and avoiding thermal collapse of the filter material. Flue gas temperature.
  • the new cigarette prepared in this example can significantly reduce the temperature of the cigarette smoke, and the flue gas temperature is lowered by 14-18 ° C under the same conditions as the existing cigarette. At the same time, it can effectively improve the collapse caused by direct contact between the filter and the tobacco segment.
  • the invention relates to a low-temperature cigarette which can reduce the temperature of the flue gas and prevent the thermal collapse of the nozzle bar, and includes a filter 1, a temperature-resistant hollow section and a tobacco section 2 which are connected in sequence, which is different from the first embodiment in that the outer wall 3 of the temperature-resistant hollow section is fixed.
  • the punching process is performed at the position, that is, the air hole 5 communicating with the hollow layer 4 of the temperature resistant hollow section is formed.
  • the hot air in the heated tobacco section 2 flows in the direction of the cigarette to the hollow layer 4 of the temperature resistant hollow section, and is mixed with the cold air of the hollow layer 4 of the temperature resistant hollow section.
  • the external cold air entering the vent 5 is mixed with the hot air flow in the tobacco section 2, and at the same time, the inner layer of the temperature resistant hollow section outer casing 3 is coated with a heat absorbing layer 9 of a phase change heat absorbing material (for example, polycarbonate).
  • a phase change heat absorbing material for example, polycarbonate.
  • the variable material absorbs heat from the hot gas stream through a phase change. Thereby, the temperature in the flue gas can be further reduced, and the cigarette rod structure is A.
  • the tobacco segment 2 is composed of cut tobacco, tobacco flakes, an atomizing agent, tobacco extract, tobacco flavor and the like, wherein the shredded tobacco accounts for 24% of the total weight, and the tobacco flakes account for 57% of the total weight.
  • the agent consists of glycerin: ethylene glycol in a mass ratio of 4:1, which accounts for 15% of the total weight, tobacco extract accounts for 2.5% of the total weight, and tobacco flavor and fragrance accounts for 0.5% of the total weight.
  • a 1% by volume aqueous thermosensitive capsule was added, and the tobacco segment 2 was formulated as B.
  • the water in the heat sensitive capsule can be released, and the volatilization of the water reduces the temperature of the tobacco segment, so that the temperature of the flue gas entering the hollow layer 4 of the temperature resistant hollow section is reduced overall, which is for subsequent cooling. to offer comfort.
  • the novel cigarette structure prepared in this example can significantly reduce the temperature of the cigarette smoke, and under the same conditions, under the same conditions, only the nozzle rod structure A, the flue gas temperature is lowered by 15-18 ° C, while Containing the nozzle structure A and the tobacco formula B, the flue gas temperature is lowered by 18-22 °C. At the same time, it can effectively improve the problem of filter collapse.
  • a low temperature cigarette for reducing the temperature of the flue gas and preventing the thermal collapse of the nozzle bar according to the present invention, comprising a filter 1, a temperature resistant hollow section and a tobacco section 2 which are sequentially connected, wherein the temperature resistant hollow section is resistant to temperature
  • the hollow segment outer casing 3, the heat absorbing layer 9 and the temperature-resistant hollow segment hollow layer 4 are formed, and the hole-forming treatment is performed at a certain position of the temperature-resistant hollow segment outer casing 3, that is, the air hole 5 is formed.
  • the external cold air entering from the air vent 5 is mixed with the hot air flow in the tobacco section 2, and at the same time, the inner layer of the temperature resistant hollow section outer casing 3 is coated with a heat absorbing layer 9 of a phase change heat absorbing material (for example, polylactic acid).
  • a phase change heat absorbing material for example, polylactic acid.
  • the filter 1 is provided with a hollow section near the tube temperature-controlled hollow section, that is, a hollow filter is formed, including a hollow filter housing 6 and a solid filter hollow layer 7.
  • the hollow filter can reduce the temperature from the hollow section.
  • the interception of the flue gas because the hollow diameter of the hollow filter is smaller than the diameter of the hollow section 4, forms a convection and buffer of the flue gas flow, while maintaining the smoke and smoke effect, and can reduce the flue gas temperature.
  • the temperature-resistant hollow section is composed of a hollow paper stick having a wall thickness of 0.8 mm.
  • the nozzle rod structure is C.
  • the tobacco segment 2 is composed of cut tobacco, tobacco flakes, an atomizing agent, tobacco extract, tobacco flavor and the like, wherein the shredded tobacco accounts for 20% of the total weight, and the tobacco flakes accounts for 55% of the total weight.
  • the agent consists of glycerin: ethylene glycol: water is composed of mass ratio of 10:10:1, accounting for 19% of the total weight, tobacco extract accounts for 4.9% of the total weight, flavor and fragrance accounts for 0.1% of the total weight, and water-sensitive capsules account for The tobacco formula is D at 1% of the total weight.
  • the water and the fragrance in the heat sensitive capsule can be released, and the volatilization of the water reduces the temperature of the tobacco segment, so that the temperature of the flue gas entering the hollow layer 4 of the temperature resistant hollow section is reduced overall. Subsequent cooling provides convenience.
  • the novel cigarette structure prepared by the present example can significantly reduce the temperature of the cigarette smoke, and under the same conditions, under the same conditions, only the nozzle structure C, the flue gas temperature is lowered by 16-19 ° C, while Containing the nozzle structure C and the tobacco formula D, the flue gas temperature is lowered by 18-23 °C. At the same time, it can effectively improve the problem of filter collapse.
  • the invention relates to a low-temperature cigarette which can reduce the temperature of the flue gas and prevent the thermal collapse of the nozzle bar, and comprises a filter 1, a temperature-resistant hollow section and a tobacco section 2 which are sequentially connected, wherein the temperature-resistant hollow section is composed of a temperature-resistant hollow section shell 3 and a heat absorbing layer 9 And the temperature-resistant hollow segment hollow layer 4 is formed, and the hole-forming treatment is performed at a certain position of the temperature-resistant hollow segment outer casing 3, that is, the air hole 5 is formed, and at the same time, the inner layer of the temperature-resistant hollow segment outer casing 3 is coated with a phase change heat absorbing material.
  • the heat absorbing layer 9, the phase change material absorbs heat in the hot gas flow through a phase change, and the phase change material is a hydroxy acrylic resin.
  • the outer end of the filter 1 that is, the end away from the temperature-resistant hollow section is provided with a hollow section, that is, a hollow filter is formed, including a hollow filter outer casing 6 and a solid filter hollow layer 7 , and the hollow filter can reduce the pair The interception of the flue gas from the filter 1 reduces the temperature of the flue gas and better maintains the smoke and smoke effect.
  • the nozzle structure is E.
  • the tobacco segment 2 is composed of cut tobacco, tobacco sheets, an atomizing agent, tobacco extract, non-tobacco extract, tobacco flavor and the like, wherein the cut tobacco accounts for 15% of the total weight, and the tobacco sheet accounts for the total weight. 65%, auxiliary materials accounted for 0.5% of the total weight, atomizer consisting of glycerol: ethylene glycol in a mass ratio of 3:2, accounting for 16% of the total weight, tobacco and non-tobacco extracts accounted for 2.5% of the total weight, flavors and fragrances It accounts for 0.5% of the total weight, and the water-sensitive capsule accounts for 0.5% of the total weight.
  • the tobacco formula is F.
  • the water and the fragrance in the heat sensitive capsule can be released, and the volatilization of the water reduces the temperature of the tobacco segment, so that the temperature of the flue gas entering the hollow layer 4 of the temperature resistant hollow section is reduced overall. Subsequent cooling provides convenience.
  • the new cigarette prepared in this example can significantly reduce the temperature of the cigarette smoke, and the flue gas temperature is reduced by 19-23 ° C compared with the existing cigarette without the heat sensitive capsule. At the same time, it effectively improves the collapse problem caused by direct contact between the filter and the tobacco segment.
  • the novel cigarette structure prepared by the present example can significantly reduce the temperature of the cigarette smoke, and under the same conditions, under the same conditions, only the nozzle rod structure E, the flue gas temperature is lowered by 16-18 ° C, while Containing the nozzle structure E and the tobacco formula F, the flue gas temperature is lowered by 19-21 °C. At the same time, it can effectively improve the problem of filter collapse.
  • the invention relates to a low-temperature cigarette which can reduce the temperature of the flue gas and prevent the thermal collapse of the nozzle bar, and comprises a filter 1, a temperature-resistant hollow section and a tobacco section 2 which are sequentially connected, wherein the temperature-resistant hollow section is composed of a temperature-resistant hollow section shell 3 and a heat absorbing layer 9 And the temperature resistant hollow section hollow layer 4 is composed.
  • the inner layer of the temperature-resistant hollow segment outer casing 3 is coated with a heat absorbing layer 9 of a phase change heat absorbing material, and the phase change material absorbs heat in the hot gas flow through a phase change, and the phase change material is a mixture of hydroxy acrylic resin and polylactic acid. Material, the ratio is 1:1.
  • the temperature resistant hollow section is composed of a hollow paper stick having a wall thickness of 0.9 mm.
  • the difference from the first example is that the fragile spice capsule 8 is added to the filter segment 1, and before the tobacco segment 2 is heated, the fragile spice capsule 8 is pinched, the flavor and fragrance are released, and the flavor and fragrance of the tobacco segment 2 are utilized. Bring it out to increase the aroma of the smoke and improve the taste of the smoke.
  • the capsule can be a mint capsule, a cool feeling of mint, and can reduce the feeling of the temperature of the cigarette smoke. This kind of nozzle structure G.
  • the tobacco segment 2 is composed of cut tobacco, tobacco flakes, an atomizing agent, tobacco extract, non-tobacco extract, tobacco flavor and the like, wherein the shredded tobacco accounts for 20% of the total weight, and the tobacco flakes constitute the total weight. 58%, auxiliary materials accounted for 2% of the total weight, aerosols consisting of glycerol: ethylene glycol: ethanol in a mass ratio of 10:10:0.5, accounting for 10% of the total weight, tobacco and non-tobacco extracts accounted for 4.5% of the total weight %, the flavor and fragrance accounted for 0.5% of the total weight, 5% of the total weight of the aqueous heat-sensitive capsule, and the tobacco formula was H.
  • the water and the fragrance in the heat sensitive capsule can be released, and the volatilization of the water reduces the temperature of the tobacco segment, so that the temperature of the flue gas entering the hollow layer 4 of the temperature resistant hollow section is reduced overall. Subsequent cooling provides convenience.
  • the novel cigarette structure prepared in the present example can significantly reduce the temperature of the cigarette smoke, and the flue gas temperature is lowered by 18-22 ° C compared with the existing cigarette without the heat sensitive capsule. At the same time, it effectively improves the problem of filter collapse and improves the taste of smoke.
  • the novel cigarette structure prepared by the present example can significantly reduce the temperature of the cigarette smoke, and the flue gas temperature is lowered by 17-19 ° C under the same conditions and only the nozzle structure G under the same conditions as the existing cigarettes. Containing the nozzle structure G and the tobacco formula H, the flue gas temperature is lowered by 22-25 °C. At the same time, it can effectively improve the problem of filter collapse.
  • an air hole 5 communicating with the hollow layer 4 of the temperature resistant hollow section may also be formed on the outer wall 3 of the temperature resistant hollow section.
  • a hollow section may be further disposed between the temperature resistant hollow section and the tobacco section 2, and the hollow section is formed by an outer casing having no heat absorbing property, so that Preventing the temperature-resistant hollow section from directly contacting the heated tobacco, resulting in excessive shrinkage and shrinkage of the temperature-resistant hollow section.
  • air holes may be radially provided on the outer wall of the filter 1 section to assist in cooling by introducing external air.

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Abstract

一种具有降低烟气温度和防止嘴棒热塌陷的低温卷烟，包括依次连接的过滤嘴、耐温中空段和烟草段，其中耐温中空段由耐温空心段外壳和耐温空心段中空层组成，耐温中空段由耐高温材料卷制为空心棒状结构，耐高温材料即形成耐温空心段外壳，耐温空心段外壳围成的腔体结构即为耐温空心段中空层，耐温空心段外壳内层涂布一层相变吸热材料或者在耐温空心段中空层中包裹有相变吸热材料。该低温卷烟在适应内芯加热器的同时，能够更好的匹配外围加热器，不会导致外围加热时外壳传导的热量引起与烟丝接触嘴棒的热塌陷问题。

Description

具有降低烟气温度和防止嘴棒热塌陷的低温卷烟 技术领域
本发明涉及新型卷烟技术领域，具体是一种具有降低烟气温度和防止嘴棒热塌陷的低温卷烟。
背景技术
低温卷烟是通过外部加热元件对烟草进行加热，烟支中的雾化介质、烟草中的香味成分和外加香通过加热产生烟雾，而非通过燃烧，减少通过传统香烟中的烟草的燃烧和热降解所产生的已知类型的有害烟尘成分。外部热源加热的新型卷烟中，一个重要的组成部分为被加热卷烟的烟支，该烟支在低温加热条件下释放出烟气气溶胶的烟草制品。该烟草制品在通常在200℃-400℃的条件下达到雾化温度，高温雾化烟气通过滤嘴段进入到口腔中的温度会高于普通卷烟燃烧的温度。
申请号为CN201610246284.1的中国专利，公开了一种通过烟气在烟支中回流的方式降低烟气的温度，但是该种烟支结构不适应外围加热，外围加热由于烟草对烟气的节流，烟支中烟丝的长度基本与受热区域一致，也就会导致靠近烟丝端的嘴棒在受热过程中容易产生热塌陷，导致嘴棒变形，也不易降低烟支的温度。
发明内容
本发明为了解决现有技术的不足，提供一种降低烟气温度和防止嘴棒热塌陷的低温卷烟烟支。
一种具有降低烟气温度和防止嘴棒热塌陷的低温卷烟，包括依次连接的过滤嘴、耐温中空段和烟草段，其中耐温中空段由耐温空心段外壳和耐温空心段中空层组成，所述耐温中空段由耐高温材料卷制为空心棒状结构，耐高温材料即形成耐温空心段外壳，耐温空心段外壳围成的腔体结构即为耐温空心段中空层，耐温空心段外壳内层涂布一层相变吸热材料或者在耐温空心段中空层中包裹有相变吸热材料。
进一步，所述的烟草段由如下组分按照质量百分比组成：烟丝5％-77％、烟草薄片20％-92％、雾化剂2％-40％、辅料0-10％、烟草提取物0.1％-20％、烟用香精香料0.01％-6％、热敏胶囊0-5％，热敏胶囊中包裹有香料水或水，所述的热敏胶囊受热温度超过210℃后，释放所含的香料水或水，通过水或香料的吸热，降低卷烟烟气温度。
进一步，所述过滤嘴段中添加有易碎香料胶囊。
进一步，耐温空心段中空层为疏松多孔的结构或中空结构，其中疏松多孔的结构的通气方向与烟气流通方向一致。
进一步，所述中空结构的截面形状为圆形、正方形、长方形或三角形。
进一步，所述相变吸热材料包括羟基丙烯酸树脂和聚乳酸中的一种或其混合。
进一步，所述耐高温材料为耐高温的纤维材料、陶瓷材料、无纺布、或纸。
进一步，所述耐温空心段外壳的壁厚为0.5-1.1mm。
进一步，所述过滤嘴靠近或远离耐管控温中空段设有一中空段。
进一步，所述耐温空心段外壁上形成有与耐温空心段中空层连通的气孔。
一种具有降低烟气温度和防止嘴棒热塌陷的低温卷烟，包括过滤嘴、烟草段、设于过滤嘴和烟草段之间的耐温中空段，所述耐温中空段由耐温空心段外壳和耐温空心段中空层组成，所述耐温中空段由耐高温材料制备成空心棒状结构，耐高温材料即形成耐温空心段外壳，耐温空心段外壳围成的腔体结构即为耐温空心段中空层，耐温空心段外壳内层附有吸热材料或者在耐温空心段中空层中填充有吸热材料。
进一步，所述吸热材料包括羟基丙烯酸树脂、聚乳酸、聚乙烯、聚甲基丙烯酸甲酯、聚对苯二甲酸乙二酸酯、聚丙烯、聚氯乙烯、陶瓷、金属中的一种或其混合。
进一步，所述耐温中空段与所述烟草段之间设有空心段，所述空心段由不具有吸热性质的外壳围设形成。
进一步，过滤嘴段的外壁上径向设有气孔。
本发明的有益效果：(1)烟支段中的耐温中空段设计，在能够适应内芯加热器的同时，能够更好的匹配外围加热器，不会导致外围加热时，外壳传导的热量引起与烟丝接触嘴棒的热塌陷问题；(2)中空端打孔设计，可以利用外部冷空气，稀释烟支中热流，降低烟气的温度；(3)烟嘴增香材料的介入，可以利用降低的烟气温度，提高烟气抽吸舒适性。
附图说明
图1是本发明可降低烟气温度和防止嘴棒热塌陷的低温卷烟实施例一的结构示意图；
图2是本发明可降低烟气温度和防止嘴棒热塌陷的低温卷烟实施例二的结构示意图；
图3是本发明可降低烟气温度和防止嘴棒热塌陷的低温卷烟实施例三的结构示意图；
图4是本发明可降低烟气温度和防止嘴棒热塌陷的低温卷烟实施例四的结构示意图；
图5是本发明可降低烟气温度和防止嘴棒热塌陷的低温卷烟实施例五的结构示意图。
图中：1—过滤嘴段，2—烟草段，3—耐温空心段外壳，4—耐温空心段中空层，5—气孔，6—空心过滤嘴外壳，7—实心过滤嘴中空层，8—易碎香料胶囊，9—吸热层。
具体实施方式
下面将结合本发明中的附图，对本发明中的技术方案进行清楚、完整地描述。
实施例一
一种可降低烟气温度和防止嘴棒热塌陷的低温卷烟，包括依次连接的过滤嘴1、耐温中空段和烟草段2，其中耐温中空段由耐温空心段外壳3、吸热层9、耐温空心段中空层4和组成，耐温中空层4为空心结构，且耐温空心段外壳3内层可涂布一层相变吸热材料(例如 聚乳酸)的吸热层9，或者在耐温空心段中空层4中包裹该相变吸热材料。耐温中空段的耐温空心段外壳3可由耐高温材料制成，例如耐高温的纤维材料、陶瓷材料、无纺布、纸，其中纤维材料可为耐受一定高温的天然纤维、人造纤维等多种纤维材料。所述耐温空心段中空层为疏松多孔的结构或中空结构，其中疏松多孔通气方向最佳为与烟气流通方向一致，即不改变烟气的气流方向，不影响烟支的抽吸阻力。本实施例中耐温空心段外壳3由空心纸卷制为空心棒状结构，空心纸棒的壁厚(即耐温空心段外壳3的厚度)为0.6mm。
在该种烟支外围加热消费时，受热烟草段2中的热气流顺着烟支的方向流经到耐温空心段中空层4中，与耐温空心段中空层4的冷空气混合，同时，耐温空心段外壳3内层涂布一层相变吸热材料的吸热层9，相变材料通过相变，吸收热气流中的热量，从而降低烟气中的温度。从卷烟纸外壳传递过来的烟支热量，经过烟草段2后，经过耐温中空段的阻隔，避免了热量直接与过滤嘴1直接接触，降低了过滤嘴1的受热温度，避免受过滤嘴材料受热塌陷和烟气温度。
本实例制备的新型卷烟，可明显的降低卷烟烟气的温度，与现有烟支相比在同样条件下，烟气温度降低14-18℃。同时，可有效的改善滤嘴与烟草段直接接触导致的塌陷问题。
实施例二
一种可降低烟气温度和防止嘴棒热塌陷的低温卷烟，包括依次连接的过滤嘴1、耐温中空段和烟草段2，其与实施例一的区别在于在耐温空心段外壁3一定的位置上进行打孔处理，即形成与耐温空心段中空层4连通的气孔5。在该种烟支外围加热消费时，受热烟草段2中的热气流顺着烟支的方向流经到耐温空心段中空层4中，与耐温空心段中空层4的冷空气混合，从气孔5进入的外部冷空气一起与烟草段2中的热气流混合，同时，耐温空心段外壳3内层涂布一层相变吸热材料(例如聚碳酸酯)的吸热层9，相变材料通过相变，吸收热气流中的热量。从而可进一步降低烟气中的温度，该烟支嘴棒结构为A。
在本实例中，烟草段2由烟丝、烟草薄片、雾化剂、烟草提取物、烟用香精香料等组成，其中，烟丝占总重量的24％，烟草薄片占总重量的57％，雾化剂由甘油：乙二醇按照质量比4:1组成，占总重量的15％，烟草提取物占总重量的2.5％，烟用香精香料占总重量的0.5％。同时，添加占比1％的含水热敏胶囊，该烟草段2的配方为B。在烟草段受热过程中，温度大于220℃后，能够释放热敏胶囊中的水，水分的挥发降低烟草段的温度，使进入耐温空心段中空层4的烟气温度整体降低，为后续降温提供方便。
本实例制备的新型卷烟结构，可明显的降低卷烟烟气的温度，与现有烟支相比在同样条件下，只含嘴棒结构A的条件下，烟气温度降低15-18℃，同时含有嘴棒结构A和烟草配方B，烟气温度降低18-22℃。同时，并能有效的改善过滤嘴塌陷问题。
实施例三
图3所示为本发明提供的一种可降低烟气温度和防止嘴棒热塌陷的低温卷烟，包括依次连接的过滤嘴1、耐温中空段及烟草段2，其中耐温中空段由耐温空心段外壳3、吸热层9和耐温空心段中空层4组成，在耐温空心段外壳3一定的位置上进行打孔处理，即形成气孔5。在该种烟支外围加热消费时，受热烟草段2中的热气流顺着烟支的方向流经到耐温空心段中空层4中，与耐温空心段中空层4的冷空气混合。从气孔5进入的外部冷空气一起与烟草段2中的热气流混合，同时，耐温空心段外壳3内层涂布一层相变吸热材料(例如聚乳酸)的吸热层9，相变材料通过相变，吸收热气流中的热量，共同降低烟气中的温度。
其与实施例二的区别在于过滤嘴1靠近耐管控温中空段设有一中空段，即形成空心过滤嘴，包括空心过滤嘴外壳6和实心过滤嘴中空层7，空心过滤嘴可以降低对从耐温中空段过来的烟气的截流，由于空心过滤嘴的中空直径小于中空段4的直径，形成烟气气流的对流和缓冲，在保持烟气和烟雾效果同时，并能降低烟气温度。
同时，从烟草段2中从卷烟纸外壳传递过来的烟支热量，经过耐 温中空段的阻隔，避免了热量直接与过滤嘴1直接接触，降低了过滤嘴1的受热温度，避免受过滤嘴材料受热塌陷，降低过滤效果。本实例中，耐温中空段由空心纸棒构成，空心纸棒的壁厚为0.8mm。该种嘴棒结构为C。
在本实例中，烟草段2由烟丝、烟草薄片、雾化剂、烟草提取物、烟用香精香料等组成，其中，烟丝占总重量的20％，烟草薄片占总重量的55％，雾化剂由甘油：乙二醇：水按照质量比10:10:1组成，占总重量的19％，烟草提取物占总重量的4.9％，香精香料占总重量的0.1％，含水热敏胶囊占总重量的1％的，该烟草配方为D。在烟草段受热过程中，温度大于220℃后，能够释放热敏胶囊中的水和香料，水分的挥发降低烟草段的温度，使进入耐温空心段中空层4的烟气温度整体降低，为后续降温提供方便。
本实例制备的新型卷烟结构，可明显的降低卷烟烟气的温度，与现有烟支相比在同样条件下，只含嘴棒结构C的条件下，烟气温度降低16-19℃，同时含有嘴棒结构C和烟草配方D，烟气温度降低18-23℃。同时，并能有效的改善过滤嘴塌陷问题。
实施例四
一种可降低烟气温度和防止嘴棒热塌陷的低温卷烟，包括依次连接的过滤嘴1、耐温中空段和烟草段2，其中耐温中空段由耐温空心段外壳3、吸热层9和耐温空心段中空层4组成，在耐温空心段外壳3一定的位置上进行打孔处理，即形成气孔5，同时，耐温空心段外壳3内层涂布一层相变吸热材料的吸热层9，相变材料通过相变，吸收热气流中的热量，相变材料为羟基丙烯酸树脂。与实施例3的不同在于其过滤嘴1的外端，即远离耐温中空段的一端设有中空段，即形成空心过滤嘴，包括空心过滤嘴外壳6和实心过滤嘴中空层7，空心过滤嘴可以降低对从过滤嘴1过来的烟气的截流，降低烟气温度，较好的保持烟气和烟雾效果。该嘴棒结构为E。
在本实例中，烟草段2由烟丝、烟草薄片、雾化剂、烟草提取物、非烟草提取物、烟用香精香料等组成，其中，烟丝占总重量的15％， 烟草薄片占总重量的65％，辅料占总重量的0.5％，雾化剂由甘油：乙二醇按照质量比3：2组成，占总重量的16％，烟草与非烟草提取物占总重量的2.5％，香精香料占总重量的0.5％，含水热敏胶囊占总重量的0.5％，该烟草配方为F。在烟草段受热过程中，温度大于220℃后，能够释放热敏胶囊中的水和香料，水分的挥发降低烟草段的温度，使进入耐温空心段中空层4的烟气温度整体降低，为后续降温提供方便。
本实例制备的新型卷烟，可明显的降低卷烟烟气的温度，与现有烟支不含热敏胶囊的条件下相比，烟气温度降低19-23℃。同时，有效的改善滤嘴与烟草段直接接触导致的塌陷问题。
本实例制备的新型卷烟结构，可明显的降低卷烟烟气的温度，与现有烟支相比在同样条件下，只含嘴棒结构E的条件下，烟气温度降低16-18℃，同时含有嘴棒结构E和烟草配方F，烟气温度降低19-21℃。同时，并能有效的改善过滤嘴塌陷问题。
实施例五
一种可降低烟气温度和防止嘴棒热塌陷的低温卷烟，包括依次连接的过滤嘴1、耐温中空段和烟草段2，其中耐温中空段由耐温空心段外壳3、吸热层9和耐温空心段中空层4组成。同时，耐温空心段外壳3内层涂布一层相变吸热材料的吸热层9，相变材料通过相变，吸收热气流中的热量，相变材料为羟基丙烯酸树脂和聚乳酸混合材料，比例为1:1。本实例中，耐温中空段由空心纸棒构成，空心纸棒的壁厚为0.9mm。与实例一的区别在于在过滤嘴段1中添加有易碎香料胶囊8，在加热烟草段2之前，将易碎香料胶囊8捏破，香精香料释放出来，利用烟草段2的热气流将香精香料带出来，增加烟气的香气饱满度，改善烟气口感。该胶囊可以为薄荷类胶囊，薄荷的凉感，可以降低卷烟烟气温度的感觉。该种嘴棒结构G。
在本实例中，烟草段2由烟丝、烟草薄片、雾化剂、烟草提取物、非烟草提取物、烟用香精香料等组成，其中，烟丝占总重量的20％，烟草薄片占总重量的58％，辅料占总重量的2％，雾化剂由甘油：乙 二醇：乙醇按照质量比10:10:0.5组成，占总重量的10％，烟草与非烟草提取物占总重量的4.5％，香精香料占总重量的0.5％，含水热敏胶囊总重量的5％，该烟草配方为H。在烟草段受热过程中，温度大于220℃后，能够释放热敏胶囊中的水和香料，水分的挥发降低烟草段的温度，使进入耐温空心段中空层4的烟气温度整体降低，为后续降温提供方便。
本实例制备的新型卷烟结构，可明显的降低卷烟烟气的温度，与现有烟支不含热敏胶囊的条件下相比，烟气温度降低18-22℃。同时，有效的改善过滤嘴塌陷问题，提高烟气口感。
本实例制备的新型卷烟结构，可明显的降低卷烟烟气的温度，与现有烟支相比在同样条件下，只含嘴棒结构G的条件下，烟气温度降低17-19℃，同时含有嘴棒结构G和烟草配方H，烟气温度降低22-25℃。同时，并能有效的改善过滤嘴塌陷问题。
在本实施例中，还可在所述耐温空心段外壁3上形成与耐温空心段中空层4连通的气孔5。
较佳的，在上述实施例中，还可在所述耐温中空段与所述烟草段2之间设有空心段，所述空心段由不具有吸热性质的外壳围设形成，这样可防止耐温中空段与受热烟草直接接触，导致耐温中空段过快收缩和收缩严重。
较佳的，在上述实施例中，还可在过滤嘴1段的外壁上径向设有气孔，通过引入外部空气来辅助降温。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何属于本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。
因此，本发明的保护范围应该以权利要求的保护范围为准。

Claims (14)

  1. 一种具有降低烟气温度和防止嘴棒热塌陷的低温卷烟，包括过滤嘴(1)、烟草段(2)，其特征在于：还包括设于过滤嘴(1)和烟草段(2)之间的耐温中空段，所述耐温中空段由耐温空心段外壳(3)和耐温空心段中空层(4)组成，所述耐温中空段由耐高温材料卷制为空心棒状结构，耐高温材料即形成耐温空心段外壳(3)，耐温空心段外壳(3)围成的腔体结构即为耐温空心段中空层(4)，耐温空心段外壳(3)内层涂布一层相变吸热材料或者在耐温空心段中空层(4)中包裹有相变吸热材料。
  2. 如权利要求1所述的具有降低烟气温度和防止嘴棒热塌陷的低温卷烟，其特征在于：所述的烟草段由如下组分按照质量百分比组成：烟丝5％-77％、烟草薄片20％-92％、雾化剂2％-40％、辅料0-10％、烟草提取物0.1％-20％、烟用香精香料0.01％-6％、热敏胶囊0-5％，热敏胶囊中包裹有香料水或水，所述的热敏胶囊受热温度超过210℃后，释放所含的香料水或水，通过水或香料的吸热，降低卷烟烟气温度。
  3. 如权利要求1所述的具有降低烟气温度和防止嘴棒热塌陷的低温卷烟，其特征在于：所述过滤嘴段(1)中添加有易碎香料胶囊(8)。
  4. 如权利要求1所述的具有降低烟气温度和防止嘴棒热塌陷的低温卷烟，其特征在于：耐温空心段中空层(4)为疏松多孔的结构或中空结构，其中疏松多孔的结构的通气方向与烟气流通方向一致。
  5. 如权利要求4所述的具有降低烟气温度和防止嘴棒热塌陷的低温卷烟，其特征在于：所述中空结构的截面形状为圆形、正方形、长方形或三角形。
  6. 如权利要求1所述的具有降低烟气温度和防止嘴棒热塌陷的低温卷烟，其特征在于：所述相变吸热材料包括羟基丙烯酸树脂和聚乳酸中的一种或其混合。
  7. 如权利要求1所述的具有降低烟气温度和防止嘴棒热塌陷的 低温卷烟，其特征在于：所述耐高温材料为耐高温的纤维材料、陶瓷材料、无纺布、或纸。
  8. 如权利要求1所述的具有降低烟气温度和防止嘴棒热塌陷的低温卷烟，其特征在于：所述耐温空心段外壳(3)的壁厚为0.5-1.1mm。
  9. 如权利要求1所述的具有降低烟气温度和防止嘴棒热塌陷的低温卷烟，其特征在于：所述过滤嘴(1)靠近或远离耐管控温中空段设有一中空段。
  10. 如权利要求1-9中任一项所述的具有降低烟气温度和防止嘴棒热塌陷的低温卷烟，其特征在于：所述耐温空心段外壁(3)上形成有与耐温空心段中空层(4)连通的气孔(5)。
  11. 一种具有降低烟气温度和防止嘴棒热塌陷的低温卷烟，包括过滤嘴(1)、烟草段(2)，其特征在于：还包括设于过滤嘴(1)和烟草段(2)之间的耐温中空段，所述耐温中空段由耐温空心段外壳(3)和耐温空心段中空层(4)组成，所述耐温中空段由耐高温材料制备成空心棒状结构，耐高温材料即形成耐温空心段外壳(3)，耐温空心段外壳(3)围成的腔体结构即为耐温空心段中空层(4)，耐温空心段外壳(3)内层附有吸热材料或者在耐温空心段中空层(4)中填充有吸热材料。
  12. 如权利要求11所述的具有降低烟气温度和防止嘴棒热塌陷的低温卷烟，其特征在于：所述吸热材料包括羟基丙烯酸树脂、聚乳酸、聚乙烯、聚甲基丙烯酸甲酯、聚对苯二甲酸乙二酸酯、聚丙烯、聚氯乙烯、陶瓷、金属中的一种或其混合。
  13. 如权利要求11所述的具有降低烟气温度和防止嘴棒热塌陷的低温卷烟，其特征在于：所述耐温中空段与所述烟草段(2)之间设有空心段，所述空心段由不具有吸热性质的外壳围设形成。
  14. 如权利要求11所述的具有降低烟气温度和防止嘴棒热塌陷的低温卷烟，其特征在于：过滤嘴(1)段的外壁上径向设有气孔。
PCT/CN2018/088370 2017-05-26 2018-05-25 具有降低烟气温度和防止嘴棒热塌陷的低温卷烟 WO2018214953A1 (zh)

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