EP3756489B1 - Electronic cigarette filler and electronic cigarette cartridge using same - Google Patents

Electronic cigarette filler and electronic cigarette cartridge using same Download PDF

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Publication number
EP3756489B1
EP3756489B1 EP18906995.8A EP18906995A EP3756489B1 EP 3756489 B1 EP3756489 B1 EP 3756489B1 EP 18906995 A EP18906995 A EP 18906995A EP 3756489 B1 EP3756489 B1 EP 3756489B1
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EP
European Patent Office
Prior art keywords
electronic cigarette
filler
tobacco plant
plant composition
drying
Prior art date
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EP18906995.8A
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German (de)
English (en)
French (fr)
Other versions
EP3756489A4 (en
EP3756489C0 (en
EP3756489A1 (en
Inventor
Ryuji Watanabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FUTURE TECHNOLOGY Co Ltd
Original Assignee
Future Technology Co Ltd
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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—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
    • 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
    • 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
    • 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
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • A24B15/302—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by natural substances obtained from animals or plants
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/01—Making cigarettes 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
    • A24D1/18—Selection of materials, other than tobacco, suitable for 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
    • 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
    • A24F40/20—Devices using solid inhalable precursors
    • 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
    • A24F40/42—Cartridges or containers for inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F7/00—Mouthpieces for pipes; Mouthpieces for cigar or cigarette holders

Definitions

  • the present invention relates to an electronic cigarette filler and an electronic cigarette cartridge using it.
  • an electronic cigarette product for enjoying tobacco by heating an electronic cigarette cartridge containing a tobacco component without using a flame so as to inhale a vaporized tobacco component is beginning to spread.
  • a method for producing a tobacco filler to be filled in the electronic cigarette cartridge there is a method of powdering a tobacco leaf, making the powdered tobacco leaf into an aqueous slurry, forming the aqueous slurry into a sheet, adding oil or glycerin to the sheet, and drying the sheet (refer to Patent Document 1).
  • US 2005/0241656 A1 describes a high flavor load particle and a method of preparing the same.
  • US 2017/0334881 A1 describes nicotine salts, co-crystals, and salt co-crystal complexes.
  • US 2015/0068545 A1 describes a smokeless tobacco composition incorporating a botanical material.
  • WO 2018/007627 A1 describes a mechanically-adjustable e-vaping device flavor assembly.
  • JP 6 005664 B2 describes a composition derived from tobacco.
  • WO 2017/149288 A1 describes devices for evaporation and inhalation of nicotine.
  • US 2014/0261472 A1 describes a fiber-wrapped smokeless tobacco product.
  • CN 104 005 302 B describes a multi-functional cork paper body paper and a preparation method thereof.
  • JP 6 280287 B1 describes an electronic cigarette cartridge using a tobacco plant or non-tobacco plant and a supporting member thereof.
  • WO 2015/082652 A1 describes a non-tobacco nicotine-containing article.
  • WO 2006/090290 A1 describes a smoking article with tobacco beads.
  • an object of the present invention to provide an electronic cigarette filler which has an advantageous effect to prevent dropping or falling of the filler from an electronic cigarette cartridge before use and after use when handled by a user.
  • the present invention provides an electronic cigarette filler using a non-tobacco plant, which contains an aerosol former and microcrystalline cellulose having an average particle size of at least 70 ⁇ m and at most 120 ⁇ m according to JIS K0069:1992, wherein the aerosol former is selected from the group consisting of glycerin, propylene glycol, sorbitol, triethylene glycol, lactic acid, glycerin diacetate, glycerin triacetate, triethylene glycol diacetate, triethyl citrate, isopropyl myristate, methyl stearate, dimethyl dodecanedioate, and dimethyl tetradecanedioate.
  • the aerosol former is selected from the group consisting of glycerin, propylene glycol, sorbitol, triethylene glycol, lactic acid, glycerin diacetate, glycerin triacetate, triethylene glycol diacetate, triethyl citrate, iso
  • the electronic cigarette filler is in the form of rods or rectangular strips.
  • the electronic cigarette filler is in the form of rods or rectangular strips, having a length of at least 10 mm and at most 20 mm, a width of at least 1.1 mm and at most 2.0 mm and a thickness of at least 0.1 mm and at most 0.5 mm.
  • the present invention provides an electronic cigarette cartridge to be used for an electronic cigarette main body, which uses the above electronic cigarette filler at one end and a mouthpiece at the other end.
  • an electronic cigarette cartridge to be used for an electronic cigarette main body, which uses the above electronic cigarette filler as defined in any one of Claims 9 to 14 at one end and a mouthpiece at the other end.
  • an electronic cigarette filler which has an advantageous effect to prevent dropping or falling of the filler from an electronic cigarette cartridge before use and after when handled by a user.
  • Fig. 8 is a flowchart illustrating an example of a process for producing a non-tobacco plant composition and an electronic cigarette filler in an embodiment to which the present invention is applied.
  • the process for producing an electronic cigarette filler has a drying/crushing step (A) of e.g. drying/crushing and weighing the non-tobacco plant which will produce the aroma, and the like. In a case where the raw material can be used as it is, this step can be omitted. Further, the other materials for producing the electronic cigarette filler may be subjected to a preparation step (B) of conducting pretreatment, weighing, etc., if necessary.
  • the materials are then subjected to a mixing step (M) and mixed under predetermined conditions to be formed into a non-tobacco plant composition.
  • the non-tobacco plant composition is formed into a desired shape by means of a filler-forming step (F).
  • the non-tobacco plant composition formed into a desired shape is, as the electronic cigarette filler, subjected to an electronic cigarette cartridge production step (G) and formed into an electronic cigarette cartridge.
  • the use site for example, leaves, seeds, dried fruits, stems, barks, roots, or the like
  • the use site is processed into a predetermined crushed material.
  • the drying temperature is preferably at least 60°C and at most 80°C. Within this range, it is easy to achieve a desired moisture content while avoiding dissipation of a required flavor component. When the temperature is at least 65°C, the desired moisture content can be more easily achieved, and when the temperature is at most 75°C, dissipation of a required flavor component can be further prevented.
  • the moisture content after drying and crushing is preferably at most 5 mass%, whereby a slurry is easily formed in a later process.
  • the moisture content is more preferably at most 3 mass%. Further, when the moisture content is at least 0.1 mass%, it is possible to maintain a good compatibility with water or the like.
  • the drying/crushing process can include a sieving step for sieving the dried and crushed material, and thus, the dried and crushed material having a desired particle size can be introduced into the mixing step (M).
  • Microcrystalline cellulose is, for example, obtained by partially depolymerizing ⁇ -cellulose obtained from pulp of a fibrous plant with an acid, and is obtained by removing a soluble portion from the cellulose and properly crystallizing an insoluble portion.
  • the electronic cigarette filler containing the non-tobacco plant, the aerosol former, and microcrystalline cellulose were found for the electronic cigarette filler containing the non-tobacco plant, the aerosol former, and microcrystalline cellulose.
  • the microcrystals of the cellulose maintain a structure of the filler even when the filler formed of the non-tobacco plant and the aerosol former loses water, and a structural change such as volume shrinkage is suppressed. Such an effect is obtained by using the microcrystalline cellulose.
  • the microcrystalline cellulose is weighed in the preparation step (B) and subjected to the mixing step (M).
  • the microcrystalline cellulose may be charged in the form of powder as it is or as a suspension as dispersed in a solvent such as water.
  • a high-speed stirrer, a high pressure homogenizer or the like can be used to disperse the microcrystalline cellulose in the solvent.
  • the amount of the microcrystalline cellulose added is generally at least 1% and at most 15% as the content in the electronic cigarette filler.
  • the amount added is preferably at least 3% and at most 12%, more preferably at least 5% and at most 10%.
  • microcrystalline cellulose is effective to improve the formability, improve workability at the time of kneading with a roll mill, and particularly, is effective to suppress shrinkage and a volume change of the electronic cigarette filler, and is effective to control the quality of the electronic cigarette cartridge and to homogenize usability.
  • the average particle size of the microcrystalline cellulose used in the present invention is at least 70 ⁇ m and at most 120 ⁇ m.
  • the average particle size of the microcrystalline cellulose is at least 30 ⁇ m, the effect of suppressing shrinkage of the electronic cigarette filler is excellent, and when the average particle size is at most 150 ⁇ m, in addition to the effect of suppressing the shrinkage, formability can be improved.
  • the average particle size of the microcrystalline cellulose is determined by a sieving method.
  • the average particle size is obtained by the method described in JIS K0069:1992.
  • the average particle size means, for example, a size corresponding to 50% of the mass by performing an integration of the mass from a larger mesh size for a test result by a plurality of sieves.
  • a sieved residue with a mesh size of 250 ⁇ m is at most 8 mass%, and a sieved residue with a mesh size of 75 ⁇ m is at least 45 mass%.
  • the sieved microcrystalline cellulose has an effect of suppressing the shrinkage of the electronic cigarette filler.
  • the sieved residue of the mesh size of 75 ⁇ m is at least 45 mass%, the formability of the electronic cigarette filler can be improved.
  • the mass average molecular weight (Mw) of the microcrystalline cellulose is preferably at least 10,000 and at most 200,000.
  • Mw mass average molecular weight
  • the mass average molecular weight is particularly preferably at least 20,000 and at most 60,000.
  • the molecular weight of the cellulose can be measured by gel permeation chromatography (GPC).
  • GPC gel permeation chromatography
  • the measurement method as described in JP-A-H06-109715 is adopted, and polyethylene glycol or the like is appropriately used as a standard material.
  • the non-tobacco plant as the raw material is weighed, via the drying/crushing step (A) if necessary, and is subjected to the mixing step (M).
  • the non-tobacco plant to be used as the raw material is not particularly limited as long as it is a plant other than tobacco.
  • various parts such as a root (including a bulb, a tuberous root (potatoes), a corm, and the like), a stem, a tuber, a skin (including a stem bark, a bark, and the like), a leaf, a flower (including a petal, a stamen, a pistil, and the like), and a trunk and a branch of a tree can be used.
  • the above-mentioned potatoes and plants listed below contain carbohydrates and are preferably used as a material of at least a portion of the filler 111.
  • a starch there are corn starch (corn), potato starch (potato), sweet potato starch (sweet potato), tapioca starch (tapioca), and the like, and there are examples of use as thickeners, stabilizers and the like.
  • the starch can improve acid resistance, heat resistance, shear resistance and the like by crosslinking, can improve storage stability, gelatinization promotion and the like by esterification and etherification, and can improve transparency, film properties, storage stability and the like by oxidation.
  • tamarind seed gum, guar gum and locust bean gum from a plant seed, to obtain arabic gum and karaya gum from sap, to obtain pectin from a fruit, and to obtain cellulose, konjak mannan mainly composed of agarose, and soybean polysaccharide from other plants. Further, it can be used after being denatured like cationized guar gum.
  • carrageenan classified into three types of kappa carrageenan, iota carrageenan and lambda carrageenan, agar, and alginic acid can be obtained, and these are also used as a salt such as a carrageenan metal salt or sodium alginate.
  • plants used as herbs and spices gardenia nut, citrus leaf, Japanese ginger, mugwort, wasabi, ajowan seed, anise, alfalfa, echinacea, shallot, estragon, everlasting flower, elder, allspice, orris root, oregano, orange peel, orange flower, orange leaf, cayenne chili pepper, chamomile german, chamomile roman, cardamon, curry leaf, garlic, catnip, caraway, caraway seed, sweet osmanthus, cumin, cumin seed, clove, green cardamon, green pepper, coneflower, saffron, cedar, cinnamon, jasmine, juniper berries, jolokia, ginger, star anise, spearmint, sumac, sage, savory, celery, celery seed, turmeric (curcuma longa), thyme, tamarind, tarragon, chervil, chives, dill, dill seed,
  • a mixture of various plants used as mixed spices for example, five-spice powder, garam masala, ras el hanout, barigoule, chicken curry masala, tandoori masala, quatre epice, and herbes de provence), potpourri, and the like can be used.
  • edible fruits e.g. peach, blueberry, lemon, orange, apple, banana, pineapple, mango, grape, kumquat, melon, plum, almond, cacao, coffee beans, peanut, sunflower, olive, walnut, and other nuts.
  • teas can be used. Teas differ not only in the plant which becomes tea, but even in the same plant, they become different teas depending on a processing method.
  • examples of tea include Japanese tea, black tea, angelica keiskei tea, Amacha, fiveleaf ginseng tea, aloe tea, ginkgo leaf tea, oolong tea, turmeric tea, quercus salicina tea, acanthopanax senticosus tea, Chinese plantain tea, alehoof tea, persimmon leaf tea, chamomile tea, chamomile tea, chamaecrista nomame tea, quince tea, chrysanthemum tea, gymnema tea, guava tea, Chinese matrimony vine tea, mulberry tea, black bean tea, geranium thunbergii tea, brown rice tea, burdock tea, comfrey tea, sea tangle tea, cherry blossom tea, saffron tea, shiitake tea, red shis
  • sea tangle is mentioned, and in addition, as plants, sea lettuce, green laver, Sargassum horneri, Pyropia tenera, arame, rock seaweed, Campylaephora hypnaeoides, Gracilaria vermiculophylla, Saccharina sculpera, Ecklonia cava Kjellman, Laminariaceae rhizoid, Caulerpa lentillifera, Ecklonia kurome, Kombu, Pyropia yezoensis, dulse, Pyropia kurogii, Ecklonia stolonifera, gelidium, Saccharina gyrata, Arthrothamnus Ruprecht, nori, Petalonia binghamiae, hijiki, Monostroma nitidum, Undaria undarioides, Gloiopeltis, Ulva intestinalis, Saccharina japonica, mekabu, Nemacystus de
  • brown rice is mentioned, and as other rice varieties, Indica rice (indian, continental and long-grain), Oryza glaberrima (African rice), Oryza sativa (Asian rice), javanica rice (java, tropical island and large grain), japonica rice (Japanese, temperate island and short grain), and NERICA (interspecific hybrid between Asian rice and African rice) can be also used, and can be also used as powder or rice bran.
  • Indica rice indian, continental and long-grain
  • Oryza glaberrima African rice
  • Oryza sativa Asian rice
  • javanica rice java, tropical island and large grain
  • japonica rice Japanese, temperate island and short grain
  • NERICA internal hybrid between Asian rice and African rice
  • barley is mentioned, and as other barley varieties, Foxtail millet, oats (cultivated species of common wild oat), barley, common wild oat, common millet, Paspalum scrobiculatum (Kodo millet), wheat, finger millet, teff, pearl millet, naked barley (a variety of barley), Job's tears (fruits, not seeds), Japanese barnyard millet, fonio, Manchurian wild rice, glutinous barley, sorghum (great millet, kaoliang and sorghum), corn and rye can be also used.
  • Foxtail millet oats (cultivated species of common wild oat), barley, common wild oat, common millet, Paspalum scrobiculatum (Kodo millet), wheat, finger millet, teff, pearl millet, naked barley (a variety of barley), Job's tears (fruits, not seeds), Japanese barnyard millet
  • black bean is mentioned, and as other legume variety, adzuki bean, carbo, kidney bean, pea, pigeon pea, cluster bean, grass pea (Lathyrus sativus), black gram, cowpea, winged bean, geocarpa groundnut, broad bean, soybean, ricebean, jack bean, tamarind, tepary bean, sword bean, velvet bean (Mucuna pruriens), bambara bean, chickpea, hyacinth bean, runner bean, horse gram (Macrotyloma uniflorum), moth bean, lima bean, peanut, mung bean, Lupinus, lentil, and almond can be also used.
  • adzuki bean carbo, kidney bean, pea, pigeon pea, cluster bean, grass pea (Lathyrus sativus), black gram, cowpea, winged bean, geocarpa groundnut, broad bean, soybean, ricebean, jack bean, tamarind, te
  • buckwheat As specific examples of plants which can be used, buckwheat is mentioned, and as examples of other plants, amaranth(Amaranthus and Amaranthus caudatus), quinoa and tartary buckwheat can be also used.
  • shiitake is mentioned, and as mushroom varieties, pine mushroom, shiitake, Lactarius hatsutake, Shimeji, Rhizopogon roseolus, common mushroom and field mushroom can be also used.
  • sugar cane dexylene
  • sugar beet beet
  • stems and branches of trees with aroma such as Japanese cypress, pine, Cryptomeria japonica, Sawara cypress, camellia and sandalwood, and barks, leaves and roots thereof.
  • Ferns, mosses, and the like can also be used as non-tobacco plants.
  • by-products pomace (sake lees, pomace of grape (composed of skin, seeds, fruit axis, and the like of grape)), and the like in production of fermented liquors such as sake and wine can be used.
  • various plants described above may be used as mixed. Of course, plants other than those listed here can also be used.
  • those known as traditional Chinese medicine are also preferably used.
  • examples of the above include: indigo plant, rubia argyi, mallotus bark, gambir, benzoin, clematis root, artemisia capillaris flower, fennel, turmeric, processed mume, lindera root, quercus salicina, bearberry leaf, rose fruit, corydalis tuber, isodon herb, astragalus root, scutellaria root, polygonatum rhizome, phellodendron bark, coptis rhizome, cherry bark, hypericum erectum, polygala root, sophora japonica flower, allium macrostemon, prunella spike, myrobalan fruit, polygonum root, curcuma rhizome, pogostemon herb, pueraria root, german chamomile, trichosanthes root, trichosanthes seed, processed ginger, glycyrrhiza, coltsfoot flower, artemis
  • extracts of the non-tobacco plants exemplified above, so-called extracts can also be used.
  • examples of the form of the extract include liquid, syrup, powder, granules and solution.
  • non-tobacco plants ones which are not required to be dried and crushed, may be subjected to the mixing step (M) as they are.
  • the electronic cigarette filler contains an aerosol former, and the aerosol former is selected from the group consisting of glycerin, propylene glycol, sorbitol, triethylene glycol, lactic acid, diacetin (glycerin diacetate), triacetin (glycerin triacetate), triethylene glycol diacetate, triethyl citrate, isopropyl myristate, methyl stearate, dimethyl dodecanedioate, dimethyl tetradecanedioate, and glycerin and propylene glycol are particularly preferably used. These are preferably used in an amount of at least 1 mass% and at most 80 mass% to the electronic cigarette filler, particularly preferably at least 10 mass% and at most 40 mass%.
  • a flavor additive which adds flavor is also preferably used.
  • the flavor additive may, for example, be an extract of mint, cocoa, coffee, black tea, or the like.
  • a preservative for food may be added, and for example, sorbic acid, potassium sorbate, benzoic acid, sodium benzoate or the like may be added.
  • gums such as guar gum, xanthan gum, gum arabic, or locust bean gum
  • cellulose binders such as hydroxypropyl cellulose, carboxymethyl cellulose, hydroxyethyl cellulose, methyl cellulose and ethyl cellulose, polysaccharides such as starch, organic acids such as alginic acid, sodium alginate, sodium carboxymethyl cellulose, carrageenan, conjugate bases of organic acids such as agar and pectin, and combinations thereof are also used.
  • the above exemplified aerosol former, flavor additive, preservative, binder, thickener, etc. are prepared in the preparation step (B) in Fig. 8 and subjected to the mixing step (M).
  • a normal mixer can be used.
  • the filler-forming step (F) may be conducted, for example, by a method of pressurizing the non-tobacco plant composition to make it pass through an orifice thereby to form rods, a method of forming the composition into a thin sheet, or a method of e.g. drying and crushing the non-tobacco composition thereby to form particles.
  • a three-roll mill is prepared to form a thin sheet. It is preferred to use the three-roll mill, whereby it is possible to obtain a sheet having a desired thickness by a doctor blade while performing kneading, dispersion, or the like by compression by pushing the composition between narrow rolls and by shearing due to a roll speed difference. Further, it is also preferred to prepare a sheet using a press roller or a pressing machine.
  • the non-tobacco plant, the aerosol former, the binder, the thickener or the like, the flavor additive, the preservative may be further added, or water may be added.
  • water to be used for production it is preferred to use water which is sterilized or water from which microorganisms are removed, and it is preferable to use pure water obtained by a reverse osmosis membrane, ion exchange, or the like.
  • the thickness of the sheet obtained in the filler-forming step (F) is preferably at least 0.1 mm to 1.0 mm, more preferably at least 0.1 mm to 0.5 mm.
  • the obtained sheet is cut by a cutter into a desired shape, and for cutting, a cutter, a rotary blade type rotary cutter may, for example, be mentioned.
  • the filler-forming step (F) cutting a sheet having a thickness of 0.3 mm into a desired shape will be described as an example.
  • the sheet is cut into a rectangle of 150 mm ⁇ 240 mm.
  • the sheet is cut by a rotary cutter into a shape of 1.5 mm ⁇ 240 mm to obtain a cut sheet product.
  • 50 such cut sheet products are wrapped with tobacco paper to prepare a roll having an outer diameter of approximately 6.9 mm.
  • the roll is cut by a cutter into a length of 12.0 mm to obtain an aerosol-forming base material (110).
  • the mass of the filler is 0.29 g.
  • the proportion of the volume of the filler to the volume of the aerosol-forming base material (110), which is called the volume filling rate, is 0.60 in the above case. That is, the density of the filler calculated from the volume filling rate and the mass of the filler is 1.07 g/cm 3 .
  • a plurality of rods or rectangular strips constituting the filler are arranged along the longitudinal direction of the electronic cigarette cartridge. Further, the plurality of rods or rectangular strips constituting the filler are wrapped with a wrapping member (151) such as tobacco paper along the axis of the height of the roll to form an aerosol-forming base material (110).
  • a wrapping member (151) such as tobacco paper along the axis of the height of the roll to form an aerosol-forming base material (110).
  • the electronic cigarette cartridge production step (G) will be described.
  • the aerosol-forming base material (110) thus obtained, a support element (300), which will be described in detail later, and a mouthpiece (140) are wrapped with a packaging member (150), or a packaging member (150) is preliminarily formed into a cylinder, into which a mouthpiece (140), a support element (300) and a filler (111) are inserted, to prepare an electronic cigarette cartridge.
  • an electronic cigarette cartridge comprising the aerosol-forming base material (110), the support element (300) and the mouthpiece (140) disposed from the upstream side (10) toward downstream (20) may be mentioned.
  • a filler formed into a shape having a length of at least 10 mm and at most 20 mm, a width of at least 1.1 mm and at most 2.0 mm and a thickness of at least 0.1 mm and at most 0.5 mm is preferred.
  • microcrystalline cellulose is contained in the electronic cigarette filler in the present invention.
  • components in the filler composition tend to be compatible with each other, thus increasing mechanical strength and structure-maintaining property, reducing changes of the length, width and thickness with time, and thus reducing a volume change resulting from those changes.
  • microcrystalline cellulose having a predetermined particle size in the present invention By adding microcrystalline cellulose having a predetermined particle size in the present invention into the filler material, even when formed into a filler of the above shape, the length, width, thickness and volume change rates can be suppressed and further, a drawback of dropping of the electronic cigarette filler from the electronic cigarette cartridge which occurs at the time of transport can be suppressed. Further, by suppressing the above changes with time after production, usability can be homogenized regardless of the time period after production, and such is effective also in view of quality maintenance control.
  • the prepared non-tobacco plant composition or electronic cigarette filler is dried by a halogen moisture meter, and the length, width, thickness and volume of the filler before and after drying are measured, and the change rates are evaluated.
  • the length, the width, the thickness and the volume of the sheet or the non-tobacco plant composition or the electronic cigarette filler before drying are measured when the moisture content of the sheet of the non-tobacco plant composition or the electronic cigarette filler is at least 15 mass% and at most 20 mass%.
  • the moisture content may be adjusted to the above range, for example, at a temperature of from 28°C to 30°C under a relative humidity of about 40%.
  • Measurement of the moisture content was conducted by an electronic halogen moisture content measuring apparatus, model DHS-50-5 (Bangxi Instrument Technology Co. Ltd.). At an automatic drying mode, and at a drying temperature of 105°C, the moisture content (mass%) is obtained from the moisture loss rate at the time of completion of automatic measurement. At the automatic measurement mode, the moisture loss rate is obtained by subtracting the sample mass at the time of completion of measurement from the sample weight before measurement, and dividing the value with the sample mass before measurement. The mass change is taken as the moisture content.
  • the length, width, thickness and volume change rates of the non-tobacco plant composition or the electronic cigarette filler are obtained by subtracting the length, width, thickness and volume after drying for a predetermined time from the length, width, thickness and volume before drying, and dividing these values with the length, width, thickness and volume before drying.
  • V15 volume change rate of the non-tobacco plant composition or the electronic cigarette filler after drying for 15 minutes
  • Vb (%) (V0-V15)/V0 ⁇ 100
  • the length change rate La (%) in a case where the non-tobacco plant composition is dried at 105°C for 10 minutes is at least 92.8%, dropping of the filler from the electronic cigarette cartridge can be suppressed.
  • the rate is more preferably at least 93.0%, further preferably at least 93.5%.
  • the length change rate Lb (%) in a case where the non-tobacco plant composition is dried at 105°C for 15 minutes is at least 91.9%, dropping of the filler from the electronic cigarette cartridge can be suppressed.
  • the rate is more preferably at least 92.0%, further preferably at least 92.5%.
  • the volume change rate Va (%) in a case where the non-tobacco plant composition is dried at 105°C for 10 minutes is at least 86.9%, dropping of the filler from the electronic cigarette cartridge can be suppressed.
  • the rate is more preferably at least 87.0%, further preferably at least 87.5%.
  • volume change rate Vb (%) in a case where the non-tobacco plant composition is dried at 105°C for 15 minutes is at least 85.7%, dropping of the filler from the electronic cigarette cartridge can be suppressed.
  • the rate is more preferably at least 86.0%, further preferably at least 86.5%.
  • an electronic cigarette filler using a non-tobacco plant which contains an aerosol former, and which is in the form of rods or rectangular strips, having a length of at least 10 mm and at most 20 mm, a width of at least 1.1 mm and at most 2.0 mm and a thickness of at least 0.1 mm and at most 0.5 mm,
  • an electronic cigarette filler using a non-tobacco plant which contains an aerosol former, and which is in the form of rods or rectangular strips, having a length of at least 10 mm and at most 20 mm, a width of at least 1.1 mm and at most 2.0 mm and a thickness of at least 0.1 mm and at most 0.5 mm,
  • an electronic cigarette filler using a non-tobacco plant which contains an aerosol former, and which is in the form of rods or rectangular strips, having a length of at least 10 mm and at most 20 mm, a width of at least 1.1 mm and at most 2.0 mm and a thickness of at least 0.1 mm and at most 0.5 mm,
  • an electronic cigarette filler using a non-tobacco plant which contains an aerosol former, and which is in the form of rods or rectangular strips, having a length of at least 10 mm and at most 20 mm, a width of at least 1.1 mm and at most 2.0 mm and a thickness of at least 0.1 mm and at most 0.5 mm,
  • an electronic cigarette filler using a non-tobacco plant which contains an aerosol former, and which is in the form of rods or rectangular strips, having a length of at least 10 mm and at most 20 mm, a thickness of at least 1.1 mm and at most 2.0 mm and a thickness of at least 0.1 mm and at most 0.5 mm,
  • an electronic cigarette filler using a non-tobacco plant which contains an aerosol former, and which is in the form of rods or rectangular strips, having a length of at least 10 mm and at most 20 mm, a thickness of at least 1.1 mm and at most 2.0 mm and a thickness of at least 0.1 mm and at most 0.5 mm,
  • an electronic cigarette filler using a non-tobacco plant which contains an aerosol former, and which is in the form of rods or rectangular strips, having a length of at least 10 mm and at most 20 mm, a width of at least 1.1 mm and at most 2.0 mm and a thickness of at least 0.1 mm and at most 0.5 mm,
  • an electronic cigarette filler using a non-tobacco plant which contains an aerosol former, and which is in the form of rods or rectangular strips, having a length of at least 10 mm and at most 20 mm, a width of at least 1.1 mm and at most 2.0 mm and a thickness of at least 0.1 mm and at most 0.5 mm,
  • the length change rate L'a (%) in a case where the electronic cigarette filler is dried at 105°C for 10 minutes is at least 95.2, dropping of the filler from the electronic cigarette cartridge can be suppressed.
  • the rate is preferably at least 95.7%, more preferably at least 96.2%.
  • the length change rate L'b (%) in a case where the electronic cigarette filler is dried at 105°C for 15 minutes is at least 94.2%, dropping of the filler from the electronic cigarette cartridge can be suppressed.
  • the rate is preferably at least 95.0%, more preferably at least 95.9%.
  • the volume change rate V'a (%) in a case where the electronic cigarette filler is dried at 105°C for 10 minutes is at least 88.1%, dropping of the filler from the electronic cigarette cartridge can be suppressed.
  • the rate is preferably at least 91.1%, more preferably at least 94.2%.
  • volume change rate V'b (%) in a case where the electronic cigarette filler is dried at 105°C for 15 minutes is at least 83.1%, dropping of the filler from the electronic cigarette cartridge can be suppressed.
  • the rate is preferably at least 87.2%, more preferably at last 91.4%.
  • the width change rate Wa (%) in a case where the electronic cigarette filler is dried at 105°C for 10 minutes is at least 93.9%, dropping of the filler from the electronic cigarette cartridge can be suppressed.
  • the rate is preferably at least 96.2%, more preferably at least 98.6%.
  • the width change rate Wb (%) in a case where the electronic cigarette filler is dried at 105°C for 15 minutes is at least 89.6%, dropping of the filler from the electronic cigarette cartridge can be suppressed.
  • the rate is preferably at least 92.9%, more preferably at last 96.3%.
  • the thickness change rate T'a (%) in a case where the electronic cigarette filler is dried at 105°C for 10 minutes is at least 98.8%, dropping of the filler from the electronic cigarette cartridge can be suppressed.
  • the rate is preferably at least 99.0%, more preferably at least 99.2%.
  • the thickness change rate T'b (%) in a case where the electronic cigarette filler is dried at 105°C for 15 minutes is at least 98.5%, dropping of the filler from the electronic cigarette cartridge can be suppressed.
  • the rate is preferably at least 98.6%, more preferably at last 98.9%.
  • change rates for example, decreases of the length, width, thickness and volume with time after production can be suppressed, whereby a drawback such as dropping of the electronic cigarette filler from the electronic cigarette cartridge due to the changes with time can be reduced and in addition, e.g. a change of the aerosol flowability which will influence usability of the electronic cigarette cartridge can be suppressed, and such is effective also in that favorable usability can be maintained and homogenized regardless of the time period after production.
  • Fig. 1 illustrates an embodiment of use of an electronic cigarette cartridge.
  • An electronic cigarette cartridge (100) is mounted on an electronic cigarette main body (200) at the time of use by the user.
  • the electronic cigarette main body (200) is provided with an inserting portion (210) for inserting the electronic cigarette cartridge (100).
  • a heating element (211) is provided at a center portion of a bottom inside the inserting portion (210), and the heating element (211) has a member in the form of a blade or in the form of a pin having a sharp front end, and is inserted into the aerosol-forming base material (110) and heats the aerosol-forming base material (110). More specifically, the heating element (211), when the electronic cigarette cartridge (100) is inserted into the inserting portion (210) of the electronic cigarette main body (200), is inserted into the center portion of the aerosol-forming base material (110).
  • the heating element (211) generates heat directly or indirectly by an electric power supplied from a battery (not shown in the diagram) provided inside the electronic cigarette main body (200).
  • a battery not shown in the diagram
  • the aerosol-forming base material (110) being heated by the heat of this heating element (211), an aerosol containing an aroma component is generated.
  • the aerosol generated is transferred to a mouthpiece (140) via a support element (300) and an aerosol transferring member (130), and inhaled by the user from the mouthpiece (140) side, whereby the aroma component is delivered into a mouth of the user.
  • the aerosol-forming base material (110) side of the electronic cigarette cartridge will be referred to as upstream side (10), and the mouthpiece side will be referred to as downstream side (20).
  • the upstream side (10) will sometimes be referred to as one end side
  • the downstream side (20) will sometimes be referred to as the other end side.
  • Fig. 1 illustrates a case where the heating element (211) has one member in the form of a pin or a blade, and as an example of another embodiment, the heating element (211) has a plurality of members in the form of a pin or a blade.
  • Fig. 2 illustrates an example of a structure of an electronic cigarette cartridge (100). From the side where the heating element (211) is inserted, that is, from the upstream side (10) toward the downstream side (20), an aerosol-forming base material (110), a support element (300), a transferring member (130) and a mouthpiece (140) are disposed in this order.
  • the support element (300) supports the aerosol-forming base material (110).
  • the support element (300) is disposed adjacent to the aerosol-forming base material (110), and a side portion (160) of the support element (300) is in contact with a packaging member (150) located on a periphery of the electronic cigarette cartridge (100).
  • the side portion (160) is fixed to the inside of the packaging member (150) for example by an adhesive.
  • the support element (300) may suitably be formed by using, for example, silicone, but the support element is not limited to silicone, and other material excellent in heat resistance may be used.
  • the filler (111) produced as the aerosol-forming base material (110) is preferably in the form of rods or rectangular strips, which are filled in so as to be along the longitudinal direction of the shape of the fillers (111).
  • the filler is filled in a wrapping member (151) formed into a cylinder.
  • the wrapping member (151) one having paper such as tobacco paper formed into a cylinder may be used.
  • the packaging member (150) may function also as the wrapping member (151). In such a structure, an air flow is stabilized, and it becomes easy for the user to inhale an aroma component from the aerosol-forming base material (110).
  • the above formed aerosol-forming base material (110), a transferring member (130), a mouthpiece (140) and the following support element (300) are disposed adjacent to one another in the order of the aerosol-forming base material (110), the support element (300), the transferring member (130) and the mouthpiece (140), and wrapped by a packaging member (150) such as tobacco paper to form a wound rod.
  • a packaging member (150) such as tobacco paper to form a wound rod.
  • an adhesive in a small amount is applied to a side portion (160) of the support element.
  • An electronic cigarette cartridge (100) is constituted as above.
  • An electronic cigarette cartridge (100) has an outer appearance of, for example, a rod or a cylinder, as shown in Fig. 2 .
  • an aerosol-forming base material (110) is provided at one end, and toward a mouthpiece (140) on the other end, a support element (300) and a transferring member (130) are disposed in this order. And, these components are wrapped with a wrapping member (150).
  • the aerosol-forming base material (110) has an electronic cigarette filler.
  • the aerosol-forming base material (110) generates an aerosol containing an aroma component contained in the plant from which the filler originates, by heating.
  • Fig. 3 is a diagram as viewed from the end of the side of the aerosol-forming base material (110) of the electronic cigarette cartridge, and is partially perspective so that the filler (111) in the interior of the cartridge is visible.
  • the longest portion of each piece, strip or rod is preferably from about 1 to about 20 mm.
  • wrinkled, pleated, gathered or folded sheets may also be preferred.
  • a filler in the form of fibers is, in the same manner as the rods, facilitates flow of air when inhaled, by filling the filler so that the fiber length direction is along the longitudinal direction of the cartridge.
  • a filler in the form of a porous material is one of preferred embodiments, since when filled in the cartridge, it facilitates flow of air when inhaled.
  • a porous material for example, a dried sheet may be pierced by a plurality of needles, or the porous material may be obtained by other method.
  • the filler in the form of pieces, plates such as squares, rectangles or rhomboids, or powder, granules or pellets, can easily be filled so as to be poured into the cartridge opening. Further, the amount filled in the cartridge (filling amount) can minutely be controlled, and the flow of air when inhaled can easily be adjusted by the amount filled. Such a filler can more preferably be used by taking countermeasures such as providing a cover on the cartridge opening.
  • the filler in the form of blocks has a good thermal conductivity and easily draws an aroma component, and is one of preferred embodiments. Further, the size of the blocks may be increased for storage efficiency. In such a case, at the time of filling, the blocks may be formed again into smaller blocks, rods or particles.
  • the support element (300) supports the aerosol-forming base material (110).
  • the support element (300) is disposed adjacent to the aerosol-forming base material (110), has an air hole or a notch for air flow at the center portion or the side portion, and makes an aerosol generated from the aerosol-forming base material (110) flow towards the mouthpiece (140) direction.
  • the mouthpiece (140) is adjacent to the transferring member (130) and is disposed at the other end portion of the electronic cigarette cartridge (100).
  • the mouthpiece (140) may have a cellulose acetate filter for example, as a filter eliminating fine particles.
  • the aroma component which has passed through the filter of the mouthpiece (140) is inhaled by the user.
  • the transferring member (130) As to whether the transferring member (130) is present or not, air permeability is good and an aromatic component generated is easily inhaled when there is no transferring member (130). On the other hand, it is also preferred to add a function to cool the generated aerosol by the transferring member (130). Instead of addition of the transferring member (130), it is preferred to extend the mouthpiece so as to be adjacent to or in contact with the support element (300), whereby a cooling function may be imparted to the filter to be used for the mouthpiece and the number of members can be reduced.
  • a hollow tubular member wrapped with a crimped polymer sheet in the electronic cigarette cartridge longitudinal direction may, for example, be used.
  • Fig. 5(1) illustrates a structure in which the aerosol-forming base material (110) and the support element (300) are in contact with each other, which is a preferred embodiment, since the aerosol-forming base material can stably be supported. Further, such a structure is advantageous in production due to a simple structure.
  • Fig. 5(2) illustrates a structure in which a partitioning member (180) is provided between the aerosol-forming base material (110) and the support element (300) so that they are in contact with each other via the partitioning member (180).
  • the partitioning member (180) may be one formed of a filter, paper or the like with good air permeability, and is preferably one which will be broken when the heating element (211) is inserted.
  • a cover (170) is provided on the side where the heating element (211) is inserted of the aerosol-forming base material is also preferred.
  • Such a structure is effective to prevent dissipation of aroma of the aerosol-forming base material (110). Further, such is also effective to prevent dropping of the aerosol-forming base material (110) from the electronic cigarette cartridge to the outside by the influence of distribution e.g. at the time of transportation.
  • a material of the cover (170) a filter, paper or sponge may, for example, be mentioned.
  • making one or more slits in the cover (170) or providing a circular or polygonal induction hole at the position to which the heating element is to be inserted is also a preferred embodiment.
  • the aerosol-forming base material (110) is in the form of particles such as a powder, granules, flakes or pellets, it is preferred to provide the partitioning member (180) or the cover (170). It is more preferred to provide both of them.
  • the aerosol-forming base material (110) is in a substantially cylindrical shape having the filler wrapped with e.g. tobacco paper, the diameter of the bottom or the upper surface of the substantial cylinder is at least 6.5 mm and at most 7.5 mm, and the height of the substantial cylinder is at least 11.0 mm and at most 13.0 mm.
  • the filler is in the form of rods or rectangular strips, which are filled along the longitudinal direction of the electronic cigarette cartridge, and the length of the filler is substantially equal to the height of the substantial cylinder, that is, at least 11.0 mm and at most 13.0 mm.
  • the support element (300) has an outer diameter of preferably substantially equal to the diameter of the bottom or the upper surface of the substantial cylinder of the aerosol-forming base material (110). Further, it has a length of at least 9.0 mm and at most 11.0 mm.
  • the mouthpiece (140) has a length of longer than 20.0 mm, preferably at least 21.0 mm and preferably at most 25.0 mm.
  • volume filling rate of the aerosol-forming base material is preferably at least 0.55 and at most 0.65.
  • Fig. 6 illustrates another embodiment of use of the electronic cigarette cartridge.
  • the electronic cigarette cartridge is different in the specific structure from the above electronic cigarette cartridge (100) and thus is described below as an electronic cigarette cartridge (101).
  • the electronic cigarette main body used is also different from the above electronic cigarette main body (200) and thus is described below as an electronic cigarette main body (201).
  • the electronic cigarette cartridge (101) is mounted on the electronic cigarette main body (201) at the time of use by the user.
  • the electronic cigarette main body (201) is provided with an inserting portion (450) for inserting the electronic cigarette cartridge (101).
  • the electronic cigarette main body (101) has an exterior portion (410), and by a heating portion (440) surrounding the periphery of the electronic cigarette cartridge, the aerosol-forming base material (110) of the electronic cigarette cartridge is heated, and an aerosol is generated and is inhaled.
  • air flows in from an air hole (431) At the time of inhale from the other end side (20), air flows in from an air hole (431), and the generated aerosol passes through a hollow tubular member (530), a transferring member (130) and a mouthpiece (140) and is inhaled.
  • a control portion (420) a battery, an apparatus for controlling the heating portion, etc. are built in.
  • a movable cover (430) is opened to clean the inside of the electronic cigarette main body after completion of use
  • Fig. 7 illustrates another example of the structure of the electronic cigarette cartridge. From one end side (10) toward the other end side (20), an aerosol-forming base material (110), a hollow tubular member (530), a transferring member (130) and a mouthpiece (140) are disposed and are wrapped with a packaging member (150). Since the aerosol-forming base material (110) portion is heated by the electronic cigarette main body, the hollow tubular member (530) is disposed for heat insulation.
  • the transferring member (130) may function also as a cooling member.
  • the outer diameter is at least 4 mm and at most 6 mm
  • the aerosol-forming base material (110) is at least 30 mm and at most 70 mm
  • the hollow tubular member (530) is at least 20 mm and at most 30 mm.
  • the transferring member (130) is at least 5 mm and at most 15 mm
  • the mouthpiece (140) is at least 10 mm and at most 25 mm.
  • the microcrystalline cellulose in Production Example 1 is one having an average particle size of 90 ⁇ m and a mass average molecular weight (Mw) of 36,000.
  • the sieved residue with a mesh size of 75 ⁇ m is 52 mass%, and the sieved residue with a mesh size of 250 ⁇ m is 1 mass%.
  • the obtained non-tobacco plant composition was subjected to the filler-forming step (F).
  • the non-tobacco plant composition was kneaded and dispersed by a three-roll mill and formed into a sheet having a desired thickness.
  • the non-tobacco plant composition was charged into the three-roll mill, and procedure of adding 20 parts by mass of pure water while the state of the sheet was observed, and pressing a doctor blade to a roll to obtain a sheet-shaped product, was repeated eight times to obtain a non-tobacco plant composition sheet.
  • the non-tobacco plant composition sheet thus obtained had a thickness of 0.3 mm.
  • the non-tobacco composition sheet was cut into a rectangle of 150 mm ⁇ 240 mm.
  • the cut non-tobacco plant composition sheet was further processed into a shape of 15 mm in width, 50 mm in length and 0.3 mm in thickness.
  • the mass of the processed composition sheet was about 0.30 g.
  • the sheet was cut by a rotary cutter into a shape of 1.5 mm in width, 240 mm in length and 0.1 mm in thickness to obtain a filler.
  • 50 such cut sheet products were bundled and aligned in a longitudinal direction, wrapped with paper having a basis weight of 34 g/m 2 , stuck with a paste and formed into a cylinder.
  • the inner diameter of the cylinder was 6.9 mm.
  • the cylinder was cut into a length of 12.0 mm to form an aerosol-forming base material (110).
  • the mass of the aerosol-forming base material was 0.29 g, and the volume filling rate of the filler to the volume of the aerosol-forming base material was 0.60.
  • the sheet was cut by a rotary cutter into a shape of 1.5 mm in width, 240 mm in length and 0.3 mm in thickness to obtain a filler.
  • 50 such cut sheet products were bundled and aligned in a longitudinal direction, wrapped with paper having a basis weight of 34 g/m 2 , stuck with a paste and formed into a cylinder.
  • the inner diameter of the cylinder was 6.9 mm.
  • the cylinder was cut into a length of 12.0 mm to form an aerosol-forming base material (110).
  • the mass of the aerosol-forming base material was 0.29 g, and the volume filling rate of the filler to the volume of the aerosol-forming base material was 0.60.
  • the sheet was cut by a rotary cutter into a shape of 1.5 mm in width, 240 mm in length and 0.5 mm in thickness to obtain a filler.
  • 50 such cut sheet products were bundled and aligned in a longitudinal direction, wrapped with paper having a basis weight of 34 g/m 2 , stuck with a paste and formed into a cylinder.
  • the inner diameter of the cylinder was 6.9 mm.
  • the cylinder was cut into a length of 12.0 mm to form an aerosol-forming base material (110).
  • the mass of the aerosol-forming base material was 0.29 g, and the volume filling rate of the filler to the volume of the aerosol-forming base material was 0.60.
  • a tobacco plant composition sheet was prepared in the same manner as in Production Example 1 with the non-tobacco plant composition in Production Example 1 except that no microcrystalline cellulose was used.
  • the sheet was cut by a rotary cutter into a shape of 1.5 mm in width, 240 mm in length and 0.1 mm in thickness to obtain a filler.
  • 50 such cut sheet products were bundled and aligned in a longitudinal direction, wrapped with paper having a basis weight of 34 g/m 2 , stuck with a paste and formed into a cylinder.
  • the inner diameter of the cylinder was 6.9 mm.
  • the cylinder was cut into a length of 12.0 mm to form an aerosol-forming base material (110).
  • the mass of the aerosol-forming base material was 0.29 g, and the volume filling rate of the filler to the volume of the aerosol-forming base material was 0.60.
  • the sheet was cut by a rotary cutter into a shape of 1.5 mm in width, 240 mm in length and 0.3 mm in thickness to obtain a filler.
  • 50 such cut sheet products were bundled and aligned in a longitudinal direction, wrapped with paper having a basis weight of 34 g/m 2 , stuck with a paste and formed into a cylinder.
  • the inner diameter of the cylinder was 6.9 mm.
  • the cylinder was cut into a length of 12.0 mm to form an aerosol-forming base material (110).
  • the mass of the aerosol-forming base material was 0.29 g, and the volume filling rate of the filler to the volume of the aerosol-forming base material was 0.60.
  • the sheet was cut by a rotary cutter into a shape of 1.5 mm in width, 240 mm in length and 0.5 mm in thickness to obtain a filler.
  • 50 such cut sheet products were bundled and aligned in a longitudinal direction, wrapped with paper having a basis weight of 34 g/m 2 , stuck with a paste and formed into a cylinder.
  • the inner diameter of the cylinder was 6.9 mm.
  • the cylinder was cut into a length of 12.0 mm to form an aerosol-forming base material (110).
  • the mass of the aerosol-forming base material was 0.29 g, and the volume filling rate of the filler to the volume of the aerosol-forming base material was 0.60.
  • a tobacco plant composition sheet was prepared in the same manner as in Production Example 1 using the non-tobacco plant composition in Production Example 1 except that methyl cellulose was used instead of microcrystalline cellulose.
  • the sheet was cut by a rotary cutter into a shape of 1.5 mm in width, 240 mm in length and 0.3 mm in thickness to obtain a filler.
  • 50 such cut sheet products were bundled and aligned in a longitudinal direction, wrapped with paper having a basis weight of 34 g/m 2 , stuck with a paste and formed into a cylinder.
  • the inner diameter of the cylinder was 6.9 mm.
  • the cylinder was cut into a length of 12.0 mm to form an aerosol-forming base material (110).
  • the mass of the aerosol-forming base material was 0.29 g, and the volume filling rate of the filler to the volume of the aerosol-forming base material was 0.60.
  • a non-tobacco plant composition sheet was prepared in the same manner as in Production Example 1 using the non-tobacco plant composition in Production Example 1 except that 4 parts by mass of microcrystalline cellulose was used.
  • the sheet was cut by a rotary cutter into a shape of 1.5 mm in width, 240 mm in length and 0.3 mm in thickness to obtain a filler.
  • 50 such cut sheet products were bundled and aligned in a longitudinal direction, wrapped with paper having a basis weight of 34 g/m 2 , stuck with a paste and formed into a cylinder.
  • the inner diameter of the cylinder was 6.9 mm.
  • the cylinder was cut into a length of 12.0 mm to form an aerosol-forming base material (110).
  • the mass of the aerosol-forming base material was 0.29 g, and the volume filling rate of the filler to the volume of the aerosol-forming base material was 0.60.
  • the aerosol-forming base material prepared in Production Example 2 a support element (300) which is a tubular hollow tube, and a filter (140) to be a mouthpiece were prepared.
  • the support element (300) had a diameter of the bottom and the upper surface, that is, an outer diameter of 6.9 mm, and had a 4 mm through hole as the hollow portion.
  • the filter (140) to be a mouthpiece had a length of 23 mm.
  • As a packaging member two and a half layers of paper having a basis weight of 38 g/m 2 were wrapped so that the inner diameter would be 6.9 mm and stuck with a paste.
  • a paper tube prepared by wrapping two and a half layers of paper having a basis weight of at least 32 g/m 2 and at most 45 g/m 2 thus prepared, that is, a packaging member, is suitable for an electronic cigarette cartridge to be used for an electronic cigarette main body used by inserting a heating element.
  • An electronic cigarette cartridge was prepared in the same manner as in Example 1 except that the aerosol-forming base material prepared in Production Example 3 was used instead of the aerosol-forming base material in Production Example 2.
  • An electronic cigarette cartridge was prepared in the same manner as in Example 1 except that the aerosol-forming base material prepared in Production Example 4 was used instead of the aerosol-forming base material in Production Example 2.
  • An electronic cigarette cartridge was prepared in the same manner as in Example 1 except that the aerosol-forming base material prepared in Production Example 10 was used instead of the aerosol-forming base material in Production Example 2.
  • An electronic cigarette cartridge was prepared in the same manner as in Example 1 except that the aerosol-forming base material prepared in Production Example 6 was used instead of the aerosol-forming base material in Production Example 2.
  • An electronic cigarette cartridge was prepared in the same manner as in Comparative Example 2 except that the aerosol-forming base material prepared in Production Example 7 was used instead of the aerosol-forming base material in Production Example 6.
  • An electronic cigarette cartridge was prepared in the same manner as in Comparative Example 2 except that the aerosol-forming base material prepared in Production Example 8 was used instead of the aerosol-forming base material in Production Example 6.
  • a halogen moisture content meter manufactured by Bangxi Instrument Technology Co. Ltd., model: DHS-50-5 was used.
  • the sheet of the non-tobacco plant composition was placed, and heated from above the sample plate by a halogen lamp disposed in a heater cover. After a predetermined drying time at a heating temperature of 105°C, the length, the width and the thickness of the sheet of the non-tobacco plant composition were measured, and the volume change was measured. The measurement was conducted after drying times of 0 minute, 10 minutes and 15 minutes.
  • the volume change rate is a value obtained by subtracting the volume of the sheet of the non-tobacco plant composition after drying for a predetermined time from the volume of the sheet of the non-tobacco plant composition before drying, and dividing the value by the volume of the sheet of the non-tobacco plant composition before drying.
  • V15 volume change rate Vb (%) of the sheet of the non-tobacco plant composition after drying for 15 minutes.
  • a graph illustrating the length change rate is shown in Fig. 9 .
  • a graph illustrating the volume change rate is shown in Fig. 10 .
  • the volume change rate Va (%) of the sheet of the non-tobacco plant composition in Production Example 5 containing no microcrystalline cellulose was 86.7%, whereas the rate of the sheet of the non-tobacco plant composition in Production Example 1 containing microcrystalline cellulose was 89.4%, and the rate of the non-tobacco plant composition sheet in Production Example 10 was 86.9%.
  • the volume change rate Vb (%) of the sheet of the non-tobacco plant composition in Production Example 5 containing no microcrystalline cellulose was 85.5%, whereas the rate of the sheet of the non-tobacco plant composition in Production Example 1 containing microcrystalline cellulose was 88.0%, and the rate of the non-tobacco plant composition sheet in Production Example 10 was 85.7%.
  • the length change rate La (%) of the sheet of the non-tobacco plant composition in Production Example 5 containing no microcrystalline cellulose was 92.7%, whereas the rate of the sheet of the non-tobacco plant composition in Production Example 1 containing microcrystalline cellulose was 93.6%, and the rate of the non-tobacco plant composition sheet in Production Example 10 was 92.8%.
  • the length change rate Lb (%) of the sheet of the non-tobacco plant composition in Production Example 5 containing no microcrystalline cellulose was 91.8%, whereas the rate of the sheet of the non-tobacco plant composition in Production Example 1 containing microcrystalline cellulose was 92.7%, and the rate of the non-tobacco plant composition sheet in Production Example 10 was 91.9%.
  • the width change rate Wa (%) of the sheet of the non-tobacco plant composition in Production Example 5 containing no microcrystalline cellulose was 94.8%, whereas the rate of the sheet of the non-tobacco plant composition in Production Example 1 containing microcrystalline cellulose was 96.2%, and the rate of the non-tobacco plant composition sheet in Production Example 10 was 95.0%.
  • the width change rate Wb (%) of the sheet of the non-tobacco plant composition in Production Example 5 containing no microcrystalline cellulose was 94.7%, whereas the rate of the sheet of the non-tobacco plant composition in Production Example 1 containing microcrystalline cellulose was 96.0%, and the rate of the non-tobacco plant composition sheet in Production Example 10 was 94.9%.
  • the thickness change rate Ta (%) of the sheet of the non-tobacco plant composition in Production Example 5 containing no microcrystalline cellulose was 98.6%
  • the rate of the sheet of the non-tobacco plant composition in Production Example 1 containing microcrystalline cellulose was 99.3%
  • the rate of the non-tobacco plant composition sheet in Production Example 10 was 98.8%.
  • the thickness change rate Tb (%) of the sheet of the non-tobacco plant composition in Production Example 5 containing no microcrystalline cellulose was 98.3%, whereas the rate of the sheet of the non-tobacco plant composition in Production Example 1 containing microcrystalline cellulose was 99.0%, and the rate of the non-tobacco plant composition sheet in Production Example 10 was 98.5%.
  • methyl cellulose has no microcrystalline structure.
  • the electronic cigarette main body used is described.
  • the electronic cigarette main body used was IQOS (registered trademark) which is a heated electronic cigarette made of Philip Morris.
  • the scheme of the electronic cigarette is as follows.
  • the heating element (211) has a width of 4.5 mm, a length to the tip of 12 mm and a thickness of 0.4 mm.
  • the inner diameter of the inserting portion (210) is 7 mm, which is substantially equal to the outer diameter of the electronic cigarette cartridge.
  • the heating element (211) generates heat by an electric power supplied from a battery (not shown in the diagram) provided inside the electronic cigarette main body (200) and reaches about 370°C.
  • a battery not shown in the diagram
  • use of one electronic cigarette cartridge is completed by 14 puffs.
  • the electronic cigarette cartridge portion which appears on the outside from the downstream side of the electronic cigarette main body is about 20 mm.
  • the filler falling test after use was conducted as follows.
  • the electronic cigarette cartridge after use was held so that one end side (10) faced vertically downward and shaken up and down, and evaluation was conducted as to whether popping out and falling of the filler occur or not.
  • the evaluation standards are as follows.
  • the prepared electronic cigarette cartridges were filled in a paper box of 70 mm ⁇ 14 mm ⁇ 45 mm in height so that the aerosol-forming base material faced the bottom.
  • the box containing the electronic cigarette cartridges was left to stand in a 45°C environment for 2 weeks.
  • One electronic cigarette cartridge was pulled from the paper box so that one end side (10) of the electronic cigarette cartridge faced vertically downward, and evaluation was conducted as to whether popping out and falling of the filler occur or not.
  • the evaluation standards are as follows.
  • the length, the width, the thickness and the volume before and after drying by halogen lamp irradiation were measured, and the changes were quantitatively determined.
  • V'a (%) (V0'-V'10)/V'0 ⁇ 100.
  • V'b (%) (V0'-V'15)/V'0 ⁇ 100.
  • a graph illustrating the length change rate is shown in Fig. 11 .
  • a graph illustrating the volume change rate is shown in Fig. 12 .
  • a graph illustrating the width change rate is shown in Fig. 13 .
  • the volume change rate V'a (%) of the filler in Production Example 7 containing no microcrystalline cellulose was 87.9%, whereas the rate of the filler in Production Example 3 containing microcrystalline cellulose was 94.3%, and the rate of the filler in Production Example 10 was88.1%.
  • the volume change rate V'b (%) of the filler in Production Example 7 containing no microcrystalline cellulose was 82.9%, whereas the rate of the filler in Production Example 3 containing microcrystalline cellulose was 91.5%, and the rate of the filler in Production Example 10 was 83.1%.
  • the length change rate L'a (%) of the filler in Production Example 7 containing no microcrystalline cellulose was 95.0%, whereas the rate of the filler in Production Example 3 containing microcrystalline cellulose was 96.3%, and the rate of the filler in Production Example 10 was 95.2%.
  • the length change rate L'b (%) of the filler in Production Example 7 containing no microcrystalline cellulose was 94.1%, whereas the rate of the filler in Production Example 3 containing microcrystalline cellulose was 96.0%, and the rate of the filler in Production Example 10 was 94.2%.
  • the width change rate Wa (%) of the filler in Production Example 7 containing no microcrystalline cellulose was 93.7%, whereas the rate of the filler in Production Example 3 containing microcrystalline cellulose was 98.7%, and the rate of the filler in Production Example 10 was 93.9%.
  • the width change rate Wb (%) of the filler in Production Example 7 containing no microcrystalline cellulose was 89.4%, whereas the rate of the filler in Production Example 3 containing microcrystalline cellulose was 96.4%, and the rate of the filler in Production Example 10 was 89.6%.
  • the thickness change rate T'a (%) of the filler in Production Example 7 containing no microcrystalline cellulose was 98.6%
  • the rate of the filler in Production Example 3 containing microcrystalline cellulose was 99.3%
  • the rate of the non-tobacco plant composition sheet in Production Example 10 was 98.8%.
  • the thickness change rate T'b (%) of the filler in Production Example 7 containing no microcrystalline cellulose was 98.3%, whereas the rate of the filler in Production Example 3 containing microcrystalline cellulose was 99.0%, and the rate of the filler in Production Example 10 was 98.5%.
  • Example 9 With respect to the filler prepared in Example 9 containing methyl cellulose instead of microcrystalline cellulose, the length, the width, the thickness and the volume before and after drying by halogen lamp irradiation in the same manner were measured, whereupon the changes were the same as in Production Example 7.
  • methyl cellulose has no microcrystalline structure.
  • shrinkage and volume change of the electronic cigarette filler at the time of production and during storage can be reduced.
  • shrinkage and volume change of the electronic cigarette filler dropping of the electronic cigarette filler from the electronic cigarette cartridge can be reduced, and in addition, voids in the electronic cigarette filler through which the aerosol will pass can be kept to have a certain size regardless of the period and the temperature of the storage after production, and favorable usability can be kept.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Botany (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
EP18906995.8A 2018-02-23 2018-03-01 Electronic cigarette filler and electronic cigarette cartridge using same Active EP3756489B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018031034 2018-02-23
JP2018032617A JP6371928B1 (ja) 2018-02-23 2018-02-26 電子タバコ用充填物およびそれを用いた電子タバコカートリッジ
PCT/JP2018/007856 WO2019163146A1 (ja) 2018-02-23 2018-03-01 電子タバコ用充填物およびそれを用いた電子タバコカートリッジ

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JP2021166518A (ja) 2021-10-21
JP6371928B1 (ja) 2018-08-08
KR102540429B1 (ko) 2023-06-05
EP3756489C0 (en) 2024-07-31
WO2019163146A1 (ja) 2019-08-29
KR20200105523A (ko) 2020-09-07
JP2021166512A (ja) 2021-10-21
JP6859000B2 (ja) 2021-04-14
JP2023101478A (ja) 2023-07-21
JP2019141024A (ja) 2019-08-29
EP3756489A1 (en) 2020-12-30
JP2019141018A (ja) 2019-08-29
JP2021101718A (ja) 2021-07-15
JP2021166511A (ja) 2021-10-21
RU2757564C1 (ru) 2021-10-18
JP2020195390A (ja) 2020-12-10

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