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WO2018087869A1 - Agglomérat sphérique de poudre, et procédé de fabrication de celui-ci - Google Patents

Agglomérat sphérique de poudre, et procédé de fabrication de celui-ci Download PDF

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Publication number
WO2018087869A1
WO2018087869A1 PCT/JP2016/083428 JP2016083428W WO2018087869A1 WO 2018087869 A1 WO2018087869 A1 WO 2018087869A1 JP 2016083428 W JP2016083428 W JP 2016083428W WO 2018087869 A1 WO2018087869 A1 WO 2018087869A1
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Prior art keywords
powder aggregate
spherical
spherical powder
powder
aggregate
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Ceased
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PCT/JP2016/083428
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English (en)
Japanese (ja)
Inventor
文貴 寺尾
正 立松
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Japan Tobacco Inc
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Japan Tobacco Inc
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Priority to PCT/JP2016/083428 priority Critical patent/WO2018087869A1/fr
Publication of WO2018087869A1 publication Critical patent/WO2018087869A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure

Definitions

  • the present invention relates to a spherical powder aggregate and a method for producing the same.
  • Cigarettes are known that enjoy the taste and / or scent by sucking the powder in the filter.
  • Patent Document 1 discloses that a particulate material is accommodated in a chamber in a filter, and the particulate material is supplied to a delivery end via a fluid passage.
  • Patent Document 2 describes, as a technique related to tobacco products, enclosing a fragrance in solid particles made of natural polysaccharides or derivatives thereof.
  • U.S. Patent No. 6,057,049 describes tobacco beads comprising tobacco particles that are placed in a filter to remove at least one smoke component from mainstream smoke.
  • Patent Document 4 describes a smoking article in which a sustained-release liquid delivery material is incorporated in a filter portion.
  • the liquid delivery material described in Patent Document 4 includes a polymer matrix containing a matrix-forming polymer and a plasticizer, and alginic acid and pectin are described as the matrix-forming polymer.
  • Patent Documents 1 and 2 a powder is used as a perfume itself or a perfume carrier.
  • Patent Documents 1 and 2 do not describe microcrystalline cellulose as a powder raw material.
  • Patent Document 3 describes tobacco beads, which contain tobacco particles as an essential component as described above.
  • Patent Document 3 describes microcrystalline cellulose as an arbitrary material for constituting tobacco beads, but does not describe beads having the microcrystalline cellulose as a main component and containing no tobacco particles.
  • Patent Document 3 describes obtaining tobacco beads by extruding a material.
  • microcrystalline cellulose when compressed with a tableting machine, particles can be easily entangled and molded, so that it is widely used as a nucleating agent for tablets and the like.
  • a general molding method of powder used in the field of foods, etc. a method including a wet extrusion granulation step and a sizing step, or a powder is molded into a spherical shape using a round machine to obtain a molded product The method is known.
  • the conventional powder molding methods used in the field of foods and the like, and the moldings obtained by using the tableting method are very hard and are broken by human fingers to give a fine granular shape. It was difficult to do.
  • Patent Document 3 does not describe any destruction of tobacco beads with human fingers.
  • Patent Document 3 describes that the liquid fragrance is supported, and after the liquid fragrance is supported, the liquid fragrance exudes from the carrier. There is no particular mention of the problem.
  • Patent Document 3 describes that the volatile liquid compound is stored in the matrix of tobacco beads and the storage period is extended, but this is a problem different from the exudation of liquid fragrance. is there.
  • Patent Document 4 describes that when a user applies a predetermined force, the flavor composition confined in the matrix structure of the flavor delivery material is released from the matrix structure. It is not the powder that forms the matrix structure, but the polymer that requires ionic crosslinking. Further, it is not described that the flavor delivery material is destroyed by a user's hand.
  • the present invention is applicable to smoking articles and the like, and has a hardness that can be broken down by a person's finger to make it fine and a suitable displacement at the time of breaking so that a person can feel good splitting comfort. It is an object of the present invention to provide a spherical powder aggregate having good absorbability when a liquid is added and a method for producing the spherical powder aggregate.
  • a spherical powder aggregate composed of a material containing microcrystalline cellulose and a binder, the particle diameter of the powder aggregate is 1.0 to 6.0 mm, and the fracture strength is It was found that when it is 1.5 to 5.0 N and the strain rate is 5.0 to 15.0%, it can be easily broken by a human finger and a fine granular powder is produced after the breaking. . Furthermore, the spherical powder aggregate having the above configuration is excellent in liquid absorbency.
  • a slurry containing microcrystalline cellulose, a binder, and ethanol is dropped onto a vibrating powder to form a spherical intermediate composition composed of the slurry and the powder.
  • a spherical powder having the above-mentioned physical properties by the method for producing a spherical powder aggregate comprising the step of drying the spherical intermediate composition so that the liquid content of the spherical intermediate composition is reduced to 2% by weight or less. Aggregates were found to be obtained.
  • a spherical powder aggregate composed of a material containing microcrystalline cellulose and a binder, the particle diameter of the powder aggregate is 1.0 to 6.0 mm, and the fracture strength of the powder aggregate is 1.
  • a spherical powder aggregate having a strain rate of 5 to 5.0 N and a strain rate of 5.0 to 15.0%.
  • [7] The method for producing a spherical powder aggregate according to [6], wherein the powder is microcrystalline cellulose.
  • [8] The method for producing a spherical powder aggregate according to [6] or [7], wherein the binder is at least one water-soluble polymer selected from starch, gelatin, gum arabic, polyvinyl alcohol and carboxymethylcellulose. .
  • [9] The method for producing a spherical powder aggregate according to any one of [6] to [8], wherein the content of microcrystalline cellulose in the slurry is 15 to 25% by weight.
  • [10] The method for producing a spherical powder aggregate according to any one of [6] to [9], wherein the drying in the second step is performed by hot air drying.
  • [11] The method for producing a spherical powder aggregate according to any one of [6] to [10], wherein the drying in the second step is performed while vibrating the spherical intermediate composition.
  • the spherical powder aggregate of the present invention has an appropriate breaking displacement so that the breaking strength thereof can be easily broken by a human finger, and a person can feel a good feeling of splitting. Therefore, when the spherical powder aggregate of the present invention is arranged in a filter part used for a smoking article such as a cigarette, when the spherical powder aggregate is broken by a smoker's finger, Can deliver to the user the perfume contained in the powder agglomerate with the mainstream smoke. Moreover, the absorptivity at the time of adding a liquid is favorable. Thus, when the liquid fragrance is absorbed in the spherical powder aggregate of the present invention, for example, a role as a fragrance carrier or a flavor retainer can be expected.
  • a powder aggregate having a fracture strength that can be easily broken by a human finger and an appropriate displacement at the time of breakage so that a person can feel good comfort. can be provided.
  • the spherical powder aggregate of the present invention is a spherical powder aggregate composed of a material containing microcrystalline cellulose and a binder, and has a particle size of 1.0 to 6.0 mm, manufactured by Rheometer (Sun Science Co., Ltd.).
  • CR-3000EX-S has a load cell maximum stress of 200 N under the condition of MODE 3 and a breaking strength of 1.5 to 5.0 N when the moving speed of the table is measured at 20.0 mm / min. A contactor for compressive strength test is used.
  • the breaking strength is more preferably 2.0 to 4.0 N as an appropriate breaking strength when being broken by a human hand.
  • the strain rate of the spherical powder aggregate of the present invention is 5.0 to 15.0%.
  • the strain rate as used herein refers to the distance traveled from the time when the contact element contacts the powder aggregate to the time when the powder aggregate is broken when the fracture strength is measured by the rheometer. It is a numerical value obtained by multiplying the value divided by the diameter by 100, and is also called displacement at break. The smaller the strain rate, the more the fracture occurs when the powder aggregate has a smaller compression width. An embodiment in which the strain rate of the spherical powder aggregate is 5.0 to 12.0% can also be mentioned.
  • the powder agglomerate as used in the present invention is one in which crystal particles made of a material constituting the same aggregate to form one spherical mass.
  • the powder agglomerate produced by the production method of the present invention was obtained by volatilizing ethanol over a drying process after granulating a slurry-powder mixture containing ethanol dropwise into the powder as described later. In this process, microcrystalline cellulose, binder and the like dissolved in the slurry are precipitated and aggregated as crystal particles to form a spherical mass. Because of this, the powder aggregate of the present invention is porous.
  • the “spherical shape” in the spherical powder aggregate of the present invention is not limited to a true spherical shape but also includes a substantially spherical shape and an ellipsoid.
  • the particle size of the spherical powder aggregate is 1.0 to 6.0 mm.
  • the particle diameter of the spherical powder aggregate means the maximum diameter. Considering the use of this particle size for cigarette applications, an embodiment in which the particle diameter is 2.5 to 5.5 mm is preferable, and 3.0 to 4.5 mm is more preferable.
  • the “particle diameter” in the present invention means the maximum diameter.
  • the particle diameter of the spherical powder aggregate can be adjusted by adjusting the diameter of a nozzle used when a material containing microcrystalline cellulose, a binder, and ethanol is dropped in the powder when it is produced by the method described later.
  • microcrystalline cellulose used in the present invention for example, ⁇ -cellulose obtained from a fibrous plant is partially depolymerized with an acid and purified, and a powdered one can be used. Specifically, commercially available endurance (trade name: Koyo Shokai) can be used. Microcrystalline cellulose having an average particle size of about 50 to 100 ⁇ m can be used. In the spherical powder aggregate, the microcrystalline cellulose content may be 70 to 95% by weight, preferably 75 to 90% by weight, based on the total amount of the spherical powder aggregate. When the content of microcrystalline cellulose is within the above range, a preferable value can be obtained as the breaking strength of the powder aggregate.
  • the binder water-soluble polymers such as starch, gelatin, gum arabic, polyvinyl alcohol, carboxymethyl cellulose and the like can be used. Among these, carboxymethylcellulose can be preferably used.
  • the binder content may be 10 to 20% by weight, preferably 13 to 18% by weight, based on the total amount of the spherical powder aggregate. With such a content, a preferable value can be obtained as the breaking strength of the spherical powder aggregate.
  • the spherical powder aggregate of the present invention may contain sweeteners such as sucrose and flavoring agents.
  • sweeteners such as sucrose and flavoring agents.
  • An example in which the content of such a flavoring agent in the spherical powder aggregate is 0.5 to 5.0% by weight with respect to the total amount of the spherical powder aggregate.
  • the spherical powder aggregate of the present invention may contain a fragrance. It does not restrict
  • flavor can be used. Of these, powder flavors and oily flavors are suitable. Examples of the main powder flavor include powdered chamomile, fenugreek, menthol, mint, cinnamon and herbs.
  • the main oily fragrances include lavender, cinnamon, cardamom, celery, clove, cascarilla, nutmeg, sandalwood, bergamot, geranium, honey essence, rose oil, vanilla, lemon, orange, mint, cinnamon skin, caraway, Examples include oils such as cognac, jasmine, chamomile, menthol, cashmere, ylang ylang, sage, spearmint, fennel, pimento, ginger, anise, corianda and coffee. These powdery fragrances and oily fragrances may be used alone or in combination. When using a powder fragrance
  • the amount of the fragrance component added is preferably 10% by weight or less based on the microcrystalline cellulose.
  • the liquid fragrance can be added after the spherical powder aggregate of the present invention is produced. Since the spherical powder aggregate of the present invention is excellent in liquid absorbability, the liquid fragrance is efficiently absorbed into the powder aggregate. Moreover, it can be expected that the liquid fragrance once absorbed is difficult to ooze out of the powder aggregate. This is due to the fact that the powder agglomerates of the present invention are porous up to the inside thereof, which is a property that conventionally known cellulose granules do not have.
  • the total content of the microcrystalline cellulose and the binder can be 70.5 to 98% by weight, and preferably 85 to 92% by weight.
  • the weight ratio of microcrystalline cellulose to binder in the spherical powder aggregate can be 9: 1 to 7: 2.
  • the liquid content in the spherical powder aggregate is preferably 0.3 to 2.0% by weight, and more preferably 0.5 to 1.5% by weight. In the case of such a liquid content, it contributes to securing the breaking strength of the spherical powder aggregate described below.
  • said liquid content means content of the sum total of water and ethanol.
  • the breaking strength of the powder aggregate of the present invention is 1.5 to 5.0 N as described above, and such a range of breaking strength means that the density of the powder aggregate is low.
  • a powder agglomerate having a low density and a large number of voids is produced, when a liquid fragrance is added after the powder agglomerate is produced, the liquid fragrance is efficiently absorbed into the powder agglomerate.
  • the density of the powder aggregate of the present invention can be 0.2 to 0.8 g / cm 3 , and can be 0.3 to 0.6 g / cm 3. preferable.
  • the density of the powder aggregate is obtained by the following method.
  • a plurality of measurement samples are prepared (for example, 10 grains), the sample height of each sample is measured with a rheometer, and an average value of each numerical value is obtained to obtain an average diameter.
  • the volume value calculated based on the average diameter is defined as the average volume.
  • the average volume is obtained by dividing the average weight of each powder aggregate.
  • the internal voids are not concentrated only in the central part but are uniformly present in the powder agglomerate, and there are crack-like voids on the surface. Can be easily absorbed and retained. Therefore, it can be expected that such a liquid substance does not ooze out from the powder aggregate during storage.
  • the spherical powder aggregate of the present invention can absorb liquid in an amount equal to or more than the weight of the powder aggregate.
  • the spherical powder aggregate of the present invention may be coated with a coating agent around it.
  • a coating agent include fats and oils having a melting point of 50 ° C. or higher.
  • fats and oils having a melting point of 50 ° C. or higher By containing fats and oils having a melting point of 50 ° C. or more, when a liquid fragrance is added to a spherical powder aggregate, it is possible to more effectively suppress oozing out to the surroundings.
  • the fats and oils having a melting point of 50 ° C. or higher include hardened oils having a melting point of 50 ° C. or higher.
  • the hardened oil is a processing oil obtained by adding hydrogen to a raw oil that is liquid at room temperature. In the present invention, a hardened oil having a melting point of 50 ° C.
  • the hardened oil having a melting point of 50 ° C. or higher examples include edible hardened oils such as palm hardened oil, Hyelsin rapeseed hardened oil, rapeseed hardened oil, soybean hardened oil, animal hardened oil and fat. Only 1 type may be used for the fats and oils whose melting
  • the method for coating the spherical powder aggregate of the present invention is not particularly limited, and a known method can be used.
  • the spherical powder aggregate of the present invention has a breaking strength of 1.5 to 5.0 N.
  • the measurement of the breaking strength is performed through the respective states shown in (a) to (d) of FIG.
  • FIG. 2 schematically shows the relationship between the displacement (strain distance) and the stress at each time point.
  • FIG. 1A shows a state in which the rheometer contact is lowered and the contact is in contact with the spherical powder aggregate (at the time of FIG. 2A).
  • FIG. 1 (b) shows a state in which the rheometer contact continues to descend, and the spherical powder aggregate begins to be distorted, causing stress to the contact.
  • FIG. 1A shows a state in which the rheometer contact is lowered and the contact is in contact with the spherical powder aggregate (at the time of FIG. 2A).
  • FIG. 1 (b) shows a state in which the rheometer contact continues to descend, and the spherical powder aggregate begins to be distorted,
  • FIG. 1C shows a state in which the spherical powder aggregate is broken after being distorted to some extent.
  • the maximum value (maximum load) of the stress immediately before breaking corresponds to the breaking strength, and the displacement at that time is defined as the breaking displacement.
  • the stress is released immediately after the fracture and instantaneously approaches 0N.
  • FIG. 1D shows a state in which the contact piece descends continuously after the spherical powder aggregate is broken, and the broken pieces of the spherical powder aggregate broken in the above-mentioned (c) are broken more finely. ((D) of FIG. 2). As shown in FIG.
  • FIG. 3 is a photograph showing the spherical powder aggregates in the states (a) and (b), the spherical powder aggregates in the state (c), and the spherical powder aggregates in the state (d). is there.
  • a rheometer used for measuring the breaking strength for example, CR-3000EX-S manufactured by Sun Scientific Co., Ltd. can be used.
  • As the contact one for compressive strength test is used.
  • the descending speed of the contact is 20.0 mm / min, and the particle size of the spherical powder aggregate applied to the rheometer is 1.0 to 6.0 mm.
  • the method for producing a spherical powder aggregate of the present invention includes the following steps.
  • a slurry containing microcrystalline cellulose, a binder, and ethanol is prepared.
  • the slurry can be prepared by adding microcrystalline cellulose and a binder to ethanol.
  • An appropriate disperser can be used when preparing the slurry.
  • the purity of ethanol is preferably 90% by weight or more, more preferably close to 100%. In other words, it is preferable that the amount of water contained as impurities is as small as possible, but the ethanol may be water-containing ethanol (water content is about 7% by weight) that is usually available.
  • the content of ethanol in the slurry can be 65 to 80% by weight based on the total amount of slurry (hereinafter also referred to as dropping slurry) when dripping onto the vibrating powder, and 70 to 70%. It is preferable that it is 75 weight% from a viewpoint of providing moderate viscosity to the slurry for dripping.
  • the content of the microcrystalline cellulose with respect to the total amount of the slurry for dripping can be 15 to 25% by weight, and 20 to 25% by weight can be used for the spherical powder aggregate that is the final product. It is preferable from the viewpoint of imparting an appropriate breaking strength and an appropriate density. Increasing the content of microcrystalline cellulose relative to the total amount of the slurry for dripping can increase the breaking strength of the spherical powder aggregate.
  • the content of the binder with respect to the total amount of the slurry for dripping can be 2 to 6% by weight, and 3 to 5% by weight is suitable for the spherical powder aggregate as the final product. It is preferable from the viewpoint of imparting breaking strength.
  • water-soluble polymers such as starch, gelatin, gum arabic, polyvinyl alcohol, carboxymethyl cellulose and the like can be used. Among these, carboxymethylcellulose can be preferably used.
  • the slurry containing the material is dropped into the vibrating powder (dropping in powder).
  • the aspect performed using the nozzle which has a suitable nozzle diameter can be mentioned.
  • the amount of the powder with respect to the slurry to be dropped is adjusted so that the powder is excessive with respect to the slurry.
  • the powder to which the slurry is dropped include the same microcrystalline cellulose as the microcrystalline cellulose contained in the spherical powder aggregate. When microcrystalline cellulose is used as the powder to which the solution is added, the slurry and the powder become more familiar when the slurry is dropped into the powder, and the properties of the spherical powder aggregate that is the final product are stabilized. preferable.
  • the slurry and the powder are familiar with each other when the slurry is dropped, and a spherical powder aggregate is obtained.
  • the material of the powder is not particularly limited as long as one spherical intermediate composition can be produced.
  • the slurry When the slurry is dropped onto the powder, the number of drops per unit time: 180 to 200 drops / minute, and the weight per drop: 25 to 30 mg / drop can be mentioned.
  • the slurry is dropped into the vibrating powder. By dropping the powder onto the vibrating powder, the slurry drops quickly absorb the powder surrounding the spherical shape while maintaining the spherical shape or the substantially spherical shape, and the first spherical intermediate composition is formed.
  • the frequency of the vibration feeder is not particularly limited as long as the first spherical intermediate composition can maintain a spherical shape.
  • the vibration frequency can be 40 to 60 Hz.
  • a vibration feeder can be used as a means for vibrating the powder.
  • the nozzle used for dropping the slurry is fixed, and the powder at the dropping destination is vibrated while moving.
  • An intermediate composition can be produced.
  • the produced spherical intermediate composition can be collected in a collection container disposed at the delivery end.
  • the particle diameter of the spherical powder aggregate which is a final product can be adjusted by changing the diameter of the nozzle used for dripping the slurry.
  • the spherical intermediate composition is obtained by adding the powder at the dropping destination to the dropped slurry.
  • the timing of dropping and the conveying speed by the vibration feeder that also serves as the conveying means can be adjusted as appropriate, and examples thereof include a speed at which a spherical intermediate composition is produced at 180 pieces / min.
  • the spherical intermediate composition is dried so that its liquid content is reduced to 2% by weight or less.
  • a hot air generator is used to apply hot air to the spherical intermediate composition and dry it.
  • the spherical intermediate composition is preferably vibrated. By applying hot air while oscillating, the hot air is uniformly applied to the spherical intermediate composition, and the volatilization of ethanol does not occur.
  • the vibration condition is not particularly limited, and examples thereof include a frequency of 20 to 50 Hz.
  • the liquid content is the total content of ethanol and water.
  • the spherical intermediate composition when the spherical intermediate composition is dried while being vibrated, the spherical intermediate composition is preferably placed on a material having good air permeability such as a sieve.
  • the temperature of the hot air used for drying is preferably 85 to 95 ° C, more preferably about 88 to 92 ° C. In such a temperature range, ethanol can be quickly removed from the spherical intermediate composition, so that voids can be uniformly formed in the spherical intermediate composition.
  • the drying time is not limited. For example, the drying time is 3 to 10 minutes, preferably 4 to 8 minutes. it can.
  • the second step Through the second step, a spherical powder aggregate having a liquid content of 2% by weight or less is obtained. The liquid content of the obtained spherical powder aggregate has a great influence on the breaking strength.
  • the powder aggregate having a predetermined particle diameter may be classified by a known classification means.
  • the particle size can be classified into those having a desired particle size range, for example, a particle size range of 2.5 to 4.5 mm within a particle size range of 1.0 to 6.0 mm.
  • flavor using a spray for example, and the aspect which impregnates a liquid fragrance
  • a step of coating the spherical powder aggregate with the coating agent may be included.
  • the powder aggregate is coated with the coating agent after the fragrance is added, the permeation of the fragrance from the spherical powder aggregate is more effectively suppressed.
  • the breaking strength of the obtained spherical powder aggregate can be measured by the same method as described in 1 above.
  • the breaking strength of the resulting spherical powder aggregate is 1.5 to 5.0 N. This breaking strength can be adjusted by adjusting the drying conditions in the second step.
  • Examples of the method of using the spherical powder aggregate of the present invention include use in a smoking article. More specifically, after a fragrance is supported on the powder aggregate, it is placed in a filter of a smoking article and used. Can be mentioned.
  • a cigarette rod including cigarettes and a filter connected to an end portion of the cigarette rod via a chip paper the filter is a spherical powder of the present invention
  • a smoking article may be illustrated, which may comprise a plurality of filter sections.
  • the spherical powder aggregate is retained in the filter when not in use.
  • the fragrance is included in the powder aggregate together with the mainstream smoke. Perfume can be delivered to the user.
  • the powder aggregate of the present invention is appropriately displaced at the time of breakage so that when an external pressure is applied to break it, it is broken within a range of pressure that is easily broken by humans, and a person can feel good splitting comfort. Therefore, the user can obtain a unique comfortable cracking feeling.
  • a slurry was prepared as a material for producing a spherical powder aggregate.
  • ethanol hydrous ethanol: water content of about 7% by weight
  • 40 parts by weight of hydroxypropyl methylcellulose and 230 parts by weight of microcrystalline cellulose (Endurance MCC VE-090: Koyo Shokai) were added, and a dispersing machine ( The slurry was stirred at 3000 to 5000 rpm for 5 minutes using a homodisper.
  • the obtained slurry for dropping was dropped as a powder onto a vibration feeder laid so that powdered microcrystalline cellulose (the same as that contained in the slurry) was present excessively with respect to the dropped slurry.
  • the vibration feeder was vibrated at 55 Hz when the slurry was dropped.
  • a slurry dropping rate of 180-200 drops / min and a weight per drop of 25-30 mg / drop were applied.
  • the dropped droplet is embedded in the powdered microcrystalline cellulose and simultaneously entrains the surrounding microcrystalline cellulose, instantly forming a spherical composition (spherical intermediate composition) Formed).
  • the spherical intermediate composition was conveyed from the upstream side to the downstream side while vibrating on the vibration feeder, and was collected in a collection container disposed at the downstream end.
  • the obtained spherical intermediate composition was dried with hot air.
  • the spherical intermediate composition was placed on a vibrating sieve, 90 ° C. was applied as the supply air temperature, and drying was performed for 5 minutes.
  • the sieve on which the spherical intermediate composition was arranged was vibrated (phase: 8 (20 to 30 Hz)), and the intermediate spherical composition on the sieve was vibrated so that the hot air was uniformly applied.
  • the liquid content of the spherical intermediate composition was reduced to 2% by weight or less to obtain a spherical powder aggregate.
  • the obtained spherical powder aggregate was subjected to a test for measuring each state shown in FIG. 1 using a CR-3000EX-S manufactured by Rheometer (Sun Scientific). 20.0 mm / min was adopted as the descending speed of the contact during measurement with the rheometer. A contactor for compressive strength test was used.
  • the breaking strength and the strain rate were also measured for a commercially available cellulose granule (Bisco Pearl A, Visco Pearl P: both manufactured by Rengo Co., Ltd.) and a molded product formed by a round machine by the method described later. .
  • Viscopearl A For each sample of the spherical powder aggregate of the present invention, Viscopearl A, Viscopearl P, and molded product formed by a round machine, 5 to 10 samples were prepared, and the sample height (particle size) was measured by the rheometer. The maximum load (breaking strength), moving distance, and strain rate were measured. The strain rate indicates the ratio of the distance (movement distance) that the contact has moved by the time of destruction to the particle size of the particle. Show. The results are shown in Table 1 below.
  • the viscopearl A used in the above-described test is made to cause gas foaming at the same time that the raw material in which the porosifying agent is added to the viscose is pressed down from the nozzle toward the acid bath and solidified into a spherical shape.
  • the solidified raw material is made porous.
  • Visco Pearl P is not viscose but is granulated by adding a binder to wood pulp and various fibers.
  • molded with the round machine shown above it produced with the following procedures. First, in order to obtain a plate-like kneaded product to be set in a round machine, water (40 wt%), microcrystalline cellulose (57 wt%), HPMC (hydroxypropyl methylcellulose) (3 wt%) are mixed in a stirring mixer. It put in order and knead
  • FIGS. 4 to 7 show the relationship between the load and the elapsed time during the measurement with the rheometer, which were performed to obtain the results shown in Table 1.
  • FIG. 4 to 7 the vertical axis represents load (N) and the horizontal axis represents time (seconds).
  • N load
  • second time
  • the powder aggregate of the present invention was excellent in both water absorbency and liquid absorbency, and was able to absorb a liquid having an equal volume or more by weight.
  • no liquid absorbency up to that point was obtained. This is considered to be due to the difference in the amount of voids in the granules and the state of the voids.
  • the spherical powder aggregate of the present invention has such a breaking strength that it can be easily broken by a human finger, and fine particles of the spherical powder aggregate are generated after breaking. Therefore, when the spherical powder aggregate of the present invention is placed in a filter used in a smoking article such as a cigarette and having a passage to the mouth end inside, or in a filter part near the mouthpiece, the smoker's Fine particles destroyed by the finger can easily reach the smoker's mouth. Thereby, the delivery efficiency of the powdery flavor source to a smoker improves.
  • the spherical powder aggregate of the present invention has good absorbability when a liquid is added, and it can be expected to suppress subsequent bleeding.
  • the liquid fragrance when the liquid fragrance is absorbed in the spherical powder aggregate of the present invention, for example, it can be expected to serve as a fragrance carrier or flavor retainer, and this can be placed in the filter or between the filter segments of the smoking article. By destroying this during smoking, it can be expected that the flavor component that has been carried or held is released to the outside of the powder aggregate.
  • the method for producing a spherical powder aggregate of the present invention it has a breaking strength that can be easily broken from a human finger and an appropriate displacement at the time of breaking so that a person can feel a good feeling of splitting. It is possible to provide a spherical powder agglomerate that later produces fine particles rather than large lumps.
  • a conventionally known step of performing a chemical reaction such as a step of performing gas foaming to obtain a porous structure is unnecessary, and stable production by a machine is easy. is there.

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Abstract

L'invention fournit un agglomérat sphérique de poudre qui est configuré à partir d'un matériau contenant une cellulose microcristalline et un liant. Plus précisément, l'invention fournit un agglomérat sphérique de poudre ainsi qu'un procédé de fabrication de celui-ci. Le diamètre particulaire de l'agglomérat sphérique de poudre est compris entre 1,0 et 6,0mm, sa résistance à la rupture est comprise entre 1,5 et 5,0N, et son facteur de distorsion est compris entre 5,0 et 15,0%.
PCT/JP2016/083428 2016-11-10 2016-11-10 Agglomérat sphérique de poudre, et procédé de fabrication de celui-ci Ceased WO2018087869A1 (fr)

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PCT/JP2016/083428 WO2018087869A1 (fr) 2016-11-10 2016-11-10 Agglomérat sphérique de poudre, et procédé de fabrication de celui-ci

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JP2020014455A (ja) * 2018-07-12 2020-01-30 株式会社 東亜産業 芳香カートリッジ用充填物、それを有する芳香カートリッジ用エアロゾル形成基材およびそれを有する芳香カートリッジ
WO2020202257A1 (fr) * 2019-03-29 2020-10-08 日本たばこ産業株式会社 Segment de refroidissement, article d'inhalation d'arôme de type à chauffage sans combustion, procédé d'utilisation d'un article d'inhalation d'arôme de type à chauffage sans combustion, et système d'inhalation d'arôme de type à chauffage sans combustion
US12274311B2 (en) 2019-05-21 2025-04-15 Future Technology Co., Ltd. Heated aroma-producing body, aroma cartridge, and manufacturing method and manufacturing device for heated aroma-producing body

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JP2008528051A (ja) * 2005-02-04 2008-07-31 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム シガレット及びセルロースのフレーバーが加えられたフィルタ
JP2009504175A (ja) * 2005-08-15 2009-02-05 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 喫煙物品のための液体放出装置
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JP2009504175A (ja) * 2005-08-15 2009-02-05 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 喫煙物品のための液体放出装置
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020014455A (ja) * 2018-07-12 2020-01-30 株式会社 東亜産業 芳香カートリッジ用充填物、それを有する芳香カートリッジ用エアロゾル形成基材およびそれを有する芳香カートリッジ
WO2020202257A1 (fr) * 2019-03-29 2020-10-08 日本たばこ産業株式会社 Segment de refroidissement, article d'inhalation d'arôme de type à chauffage sans combustion, procédé d'utilisation d'un article d'inhalation d'arôme de type à chauffage sans combustion, et système d'inhalation d'arôme de type à chauffage sans combustion
JPWO2020202257A1 (ja) * 2019-03-29 2021-11-25 日本たばこ産業株式会社 冷却セグメント、非燃焼加熱型香味吸引物品、非燃焼加熱型香味吸引物品の使用方法及び非燃焼加熱型香味吸引システム
JP7150977B2 (ja) 2019-03-29 2022-10-11 日本たばこ産業株式会社 冷却セグメント、非燃焼加熱型香味吸引物品、非燃焼加熱型香味吸引物品の使用方法及び非燃焼加熱型香味吸引システム
US12274311B2 (en) 2019-05-21 2025-04-15 Future Technology Co., Ltd. Heated aroma-producing body, aroma cartridge, and manufacturing method and manufacturing device for heated aroma-producing body

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