WO2020079813A1 - 喫煙物品、該喫煙物品の製造方法、及び粒状活性炭の鑑別方法 - Google Patents

喫煙物品、該喫煙物品の製造方法、及び粒状活性炭の鑑別方法 Download PDF

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Publication number
WO2020079813A1
WO2020079813A1 PCT/JP2018/038867 JP2018038867W WO2020079813A1 WO 2020079813 A1 WO2020079813 A1 WO 2020079813A1 JP 2018038867 W JP2018038867 W JP 2018038867W WO 2020079813 A1 WO2020079813 A1 WO 2020079813A1
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Prior art keywords
activated carbon
granular activated
value
granular
smoking article
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PCT/JP2018/038867
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English (en)
French (fr)
Japanese (ja)
Inventor
敏隆 梅津
憲俊 藤田
弘 四分一
Original Assignee
日本たばこ産業株式会社
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Application filed by 日本たばこ産業株式会社 filed Critical 日本たばこ産業株式会社
Priority to EP18937234.5A priority Critical patent/EP3868227A4/en
Priority to RU2021113824A priority patent/RU2761271C1/ru
Priority to JP2020551680A priority patent/JP7410866B2/ja
Priority to PCT/JP2018/038867 priority patent/WO2020079813A1/ja
Priority to CN201880098734.4A priority patent/CN112888325B/zh
Publication of WO2020079813A1 publication Critical patent/WO2020079813A1/ja
Priority to US17/231,799 priority patent/US20210227880A1/en

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    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06Use of materials for tobacco smoke filters
    • A24D3/16Use of materials for tobacco smoke filters of inorganic materials
    • A24D3/163Carbon
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06Use of materials for tobacco smoke filters
    • A24D3/08Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • A24D3/10Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06Use of materials for tobacco smoke filters
    • A24D3/16Use of materials for tobacco smoke filters of inorganic materials

Definitions

  • the present invention relates to a smoking article containing granular activated carbon in a filter, a method for producing the smoking article, and a method for identifying the granular activated carbon.
  • Patent Document 1 describes a technique relating to a cigarette smoke filter including a particulate adsorbent (for example, granular activated carbon) colored in red, blue, white, yellow, green or the like by coating with a colored polymer material. Has been done. Further, Non-Patent Document 1 describes the effect of the type and quality of activated carbon contained in a filter of a smoking article on the adsorption power of a special component in smoke and the tobacco flavor and taste.
  • a particulate adsorbent for example, granular activated carbon
  • the type of activated carbon contained in the filter of the smoking article is that coconut shell activated carbon is good, and as the quality, the packing density is high, the amount of inorganic components is low, and the acetone adsorption force is 30%. It is described that less than 1 is preferable. It is also described that activated carbon with high acetone adsorption has high adsorption efficiency for all volatile organic substances.
  • the authenticity of a smoking article can be determined by the granular activated carbon contained in the filter, and the granular activated carbon having the same or higher acetone adsorption performance as the conventional article is contained in the filter, and the smoking article, and the smoking article.
  • a method of manufacturing an article is provided.
  • a smoking article comprising a tobacco rod portion and a filter portion containing granular activated carbon, wherein the granular activated carbon has a lightness L * value of 11.50 or more in the CIELab color system.
  • the present inventors have found that a smoking article having an acetone adsorption performance of 0.000 or less and 29.0 mass fraction% or more and 41.0 mass fraction% or less can solve the above problems, and has reached the present invention.
  • the present invention is as follows.
  • a smoking article comprising a tobacco rod part and a filter part containing granular activated carbon, wherein the granular activated carbon has a lightness L * value in the CIELab color system of 11.50 or more and 19.00 or less, A smoking article having an acetone adsorption performance of 29.0% by mass or more and 41.0% by mass or less.
  • the smoking article according to [1], wherein the granular activated carbon has a color difference ⁇ E value in the CIELab color system of 14.00 or more and 21.50 or less.
  • the smoking article according to [1] or [2], wherein the granular activated carbon is granular coconut shell activated carbon.
  • a method for producing a smoking article comprising a tobacco rod part and a filter part containing granular activated carbon, the granular activated carbon having a lightness L * value in the CIELab color system of 11.50 or more and 19.00 or less.
  • a method for producing a smoking article which comprises a step of preparing and a step of adding the prepared granular activated carbon to a filter.
  • granular activated carbon having a lightness L * value of 11.50 or more and 19.00 or less and a color difference ⁇ E value in the CIE color system of 14.00 or more and 21.50 or less is prepared.
  • the method for producing a smoking article according to [4].
  • [6] The method for producing a smoking article according to [4] or [5], wherein the acetone adsorption performance of the granular activated carbon is 29.0 mass fraction% or more and 41.0 mass fraction% or less.
  • a method for identifying granular activated carbon to be added to a smoking article filter including the step of selecting the granular activated carbon to be added to the.
  • the lightness L * value has a value of 11.50 or more and 19.00 or less, and the color difference ⁇ E value in the CIELab color system is 14.00 or more and 21.50 or less.
  • the authenticity of a smoking article can be easily determined by using the granular activated carbon contained in the filter, and the smoking article containing the granular activated carbon having the same or higher acetone adsorption performance as the conventional article, It is possible to provide a method for producing a smoking article and a method for identifying the granular activated carbon.
  • Example 4 is a photograph of the appearance of the granular coconut shell activated carbon of Example 2 and Comparative Example 3.
  • the smoking article of the present invention may have a known structure except for the granular activated carbon added to the filter part.
  • a tobacco rod part obtained by winding a normal tobacco filler such as tobacco shreds with a cigarette paper and a filter part attached to one end of the tobacco rod part can be mentioned.
  • the tobacco leaf raw material may be either a tobacco leaf divided into a mesophyll portion (lamina) and a leaf vein portion (medium bone), or may include a tobacco trunk portion that is not a tobacco leaf portion.
  • Examples of the tobacco leaf raw material include those cut into chopped widths of 0.1 to 2.0 mm.
  • main varieties such as yellow varieties, Burley varieties, indigenous varieties, Orient varieties, etc., and fermented leaves using them can be used.
  • the water content of a normal tobacco filler such as shredded tobacco contained in the tobacco rod portion is not particularly limited, but may be 10 to 15% by weight, and is preferably 11 to 13% by weight. With such a water content, the occurrence of roll stain is suppressed, and the suitability for winding at the time of manufacturing a smoking article is improved.
  • the filter section is composed of one or more filter sections, and known materials can be appropriately used in any of the filter sections. For example, one using acetate tow as a material can be mentioned.
  • the single yarn fineness, total fineness, and cross-sectional shape of the acetate tow are not particularly limited. Further, in any of the materials, adjustment of ventilation resistance and addition of additives (known adsorbents, fragrances, fragrance-holding agents) can be appropriately designed.
  • the filter wrapping paper is used to wind the outer surface of a filter used in a known smoking article, and is a general term for chip paper, molded paper, and roll paper.
  • the winding paper is for directly contacting the filter tow and winding it in a cylindrical shape.
  • the forming paper is used to fix a plurality of filter sections when there are a plurality of filter sections wound with a paper roll.
  • the tipping paper is used to connect the tobacco rod part and the filter part.
  • known materials can be used.
  • the filter part When the granular activated carbon described below is added to the filter part of the smoking article of the present invention, the filter part is generally used in a form in which a plurality of filter sections are connected by molding paper, and is generally connected to the tobacco rod part by tip paper. Target.
  • a white acetate tow-filled filter section to which granular activated carbon is not added is usually used for the filter section at the most downstream end where the user holds it in his mouth. It is preferable from the viewpoint of appearance.
  • a form in which a plurality of filter sections are connected by molding paper a form in which a space is provided between two filter sections and the space is fixed with molding paper, and the space is filled with granular activated carbon described later can be mentioned.
  • the addition amount of the granular activated carbon per filter length can be increased as compared with the form in which the granular activated carbon is added in the filter section.
  • the filter portion of the smoking article of the present invention contains granular activated carbon.
  • Activated carbon is mainly porous carbon that has been chemically or physically treated (activated or activated) to increase adsorption efficiency for the purpose of selectively separating, removing, or purifying a specific substance. It is a substance used as an ingredient.
  • the activated carbon contained in the filter portion of the smoking article of the present invention is a granular activated carbon, which is a general term for crushed carbon having a particle size of 150 ⁇ m or more.
  • the particle size of the granular activated carbon contained in the filter part of the smoking article of the present invention can be changed according to the required performance and filter structure.
  • the particle size of the granular activated carbon is preferably 150 ⁇ m or more and 2000 ⁇ m or less, more preferably 160 ⁇ m or more and 850 ⁇ m or less, further preferably 180 ⁇ m or more and 600 ⁇ m or less, and particularly preferably 212 ⁇ m or more and 425 ⁇ m or less.
  • the granular activated carbon can be relatively evenly filled into the inside of a cylinder having a circumference of 16.8 mm to 25.8 mm which is the size of a normal cigarette filter portion.
  • the particle size of the granular activated carbon is larger than 2000 ⁇ m, the weight between the tobacco rods of the granular activated carbon added to the filter portion may cause variation.
  • the particle size of the granular activated carbon is smaller than 150 ⁇ m, dust of the activated carbon is generated at the time of manufacturing the filter part containing the granular activated carbon, which leads to contamination of the manufacturing device, and the cleaning work becomes complicated.
  • the particle size of the granular activated carbon can be adjusted by the method and time for crushing the granular activated carbon.
  • the amount of granular activated carbon contained in the filter portion of the smoking article of the present invention is not particularly limited, but is preferably 10 mg to 200 mg per 10 mm filter length (filter circumference of 16.8 mm to 25.8 mm).
  • the granular activated carbon contained in the filter part of the smoking article of the present invention has good adsorption efficiency of volatile organic substances in cigarette smoke, and has little influence on flavor and taste, and thus granular coconut shell charcoal is used as a raw material.
  • coconut shell activated carbon is used.
  • the activation of the granular activated carbon contained in the filter part of the smoking article of the present invention is preferably the gas activation method because it is relatively easy to scale up and granular activated carbon with high purity can be obtained.
  • the gas used in the gas activation method include oxidizing gases such as water vapor, carbon dioxide, and air, but it is preferable to use water vapor to activate the granular activated carbon contained in the filter portion of the smoking article of the present invention. It is common.
  • the activation temperature of the gas activation method is usually in the range of 750 ° C. or higher and 1000 ° C.
  • the activation time of the gas activation method depends on the type of the gas activation device used, but is generally in the range of 0.5 hours or more and 30 hours or less, and the lightness and color difference of the target granular activated carbon, and acetone adsorption It can be changed according to the performance. Generally, when the activation time is long, the lightness and the color difference are reduced, and the acetone adsorption performance is improved.
  • Activation of the granular activated carbon contained in the filter part of the smoking article of the present invention can be carried out by an apparatus generally used in a gas activation method such as a rotary kiln or a flow activation furnace.
  • a gas activation method such as a rotary kiln or a flow activation furnace.
  • the acetone adsorption performance of the granular activated carbon contained in the filter part of the smoking article of the present invention is 29.0 mass fraction% or more and 41.0 mass fraction% or less.
  • the acetone adsorption performance of the granular activated carbon is measured according to JIS K 1474. When the lower limit of the acetone adsorption performance of the granular activated carbon is less than 29.0 mass fraction%, the brightness L * value and the color difference ⁇ E value of the granular activated carbon do not fall within the specific numerical range described later, and the smoking article. Granular activated carbon cannot be used for authenticity judgment.
  • the acetone adsorption performance of the granular activated carbon is preferably 29.0 mass fraction% or more and 40.0 mass fraction% or less, more preferably 30.0 mass fraction% or more and 40.0 mass fraction% or less, and 33. More preferably, the content is 0 mass fraction% or more and 38.0 mass fraction% or less.
  • the acetone adsorption performance of the granular activated carbon can be controlled by the method of activating the granular activated carbon and the strength of activation such as activation temperature and activation time.
  • the lightness L * value in the CIELab color system of the granular activated carbon contained in the filter part of the smoking article of the present invention is 11.50 or more and 19.00 or less.
  • the brightness L * value of the granular activated carbon is preferably 12.00 or more and 18.00 or less, more preferably 12.00 or more and 17.50 or less, and 12.00 or more and 13.50 or less. Is more preferable.
  • the brightness L * value of the granular activated carbon is within the above range, it is possible to use the granular activated carbon for authenticity judgment of smoking articles while ensuring acetone adsorption performance equal to or higher than that of conventional granular activated carbon.
  • the specification change of the granular activated carbon is not easily recognized by the user. If the lower limit of the lightness L * value of the granular activated carbon is less than 11.50, the granular activated carbon becomes brittle, and when the granular activated carbon is added to the filter portion, contamination of the filter portion due to fragments of the granular activated carbon occurs. there is a possibility.
  • the upper limit of the lightness L * value of the granular activated carbon exceeds 19.00, the granular activated carbon cannot be used for authenticity judgment of smoking articles, and the acetone adsorption performance equal to or higher than that of the conventional granular activated carbon should be ensured. I can't.
  • the lightness L * value of the granular activated carbon can be controlled by the method for activating the granular activated carbon and the activation strength such as activation temperature and activation time.
  • the color difference ⁇ E value in the CIELab color system of the granular activated carbon contained in the filter part of the smoking article of the present invention is a value calculated based on the lightness L * value, chromaticity a * value and b * value of the blank described later. is there.
  • the color difference ⁇ E value in the CIELab color system of the granular activated carbon contained in the filter part of the smoking article of the present invention is preferably 14.00 or more and 21.50 or less, and preferably 14.50 or more and 20.50 or less. It is more preferably 14.50 or more and 20.00 or less, and particularly preferably 14.50 or more and 16.00 or less.
  • the granular activated carbon can be used for authenticity judgment of smoking articles while ensuring acetone adsorption performance equal to or higher than that of conventional granular activated carbon. Moreover, the specification change of the granular activated carbon is not easily recognized by the user.
  • the color difference ⁇ E value of the granular activated carbon can be controlled by the method of activating the granular activated carbon and the activation strength such as activation temperature and activation time. Since the authenticity of a smoking article can be determined by having the range of the lightness L * value and the like as described above, the granular activated carbon contained in the filter portion of the smoking article of the present invention requires coloring as in the prior art. do not do.
  • Method for producing a smoking article of the present invention comprises the steps lightness L * value preparing a granular activated carbon within a specific range, or lightness L * value and the color difference ⁇ E value the granular activated carbon within a specific numerical range Except for the preparing step, an aspect including known steps can be adopted.
  • the process of winding the tobacco shreds with a wrapping paper by the existing technology the process of cutting into a length of one smoking article and manufacturing the tobacco rod part, and the tobacco rod part connected to both ends of the filter part for two Then, any one or more steps of winding with two pieces of smoking article chip paper are included, and thereafter, the length of one smoking article is cut at the center in the longitudinal direction to produce two smoking articles.
  • an embodiment including the step of performing as necessary.
  • the form of the tobacco leaf raw material which is a raw material such as tobacco shreds possessed by the tobacco rod part, may be the same as the above-mentioned tobacco leaf raw material. That is, the cut tobacco leaf raw material and the uncut tobacco leaf raw material can be used.
  • the tobacco leaf raw material may be either a tobacco leaf divided into a mesophyll portion (lamina) and a leaf vein portion (medium bone), or may include a tobacco trunk portion that is not a tobacco leaf portion. Examples of the tobacco leaf raw material include those cut into chopped widths of 0.1 to 2.0 mm.
  • main varieties such as yellow varieties, Burley varieties, indigenous varieties, Orient varieties, etc., and fermented leaves using them can be used.
  • the production of the filter part containing the granular activated carbon can also be adopted by combining known steps.
  • a specific brightness selected in the step described below, or a granular activated carbon having a specific brightness and color difference is added from above the paper sheet by an addition mechanism, a filter winding.
  • the steps of folding the paper sheet into a cylindrical shape having a predetermined diameter at the trumpet portion of the upper machine and wrapping it with filter paper, and cutting it into a predetermined length to manufacture the filter portion can be appropriately combined.
  • acetate tow is used as the filter material
  • any filter part containing granular activated carbon produced in the above process is used in a form in which a plurality of filter sections are connected by molding paper, and is connected to a tobacco rod part by tip paper. Is common.
  • a white acetate tow-filled filter section to which granular activated carbon is not added is usually used for the filter section at the most downstream end where the user holds it in his mouth. It is preferable from the viewpoint of appearance.
  • a form in which a space is provided between two filter sections, the space is fixed with molding paper, and the space is filled with granular activated carbon can be mentioned.
  • the amount of granular activated carbon added per filter length can be increased as compared with the form in which the granular activated carbon is added to the filter section of the paper sheet or acetate tow described above.
  • the amount of granular activated carbon added to the filter portion is not particularly limited, but is preferably 10 mg to 200 mg per filter length of 10 mm (filter circumference of 16.8 mm to 25.8 mm).
  • the method for producing a smoking article of the present invention includes the step of preparing granular activated carbon having a lightness L * value of 11.50 or more and 19.00 or less in the CIELab color system.
  • a step of digitizing the color of the granular activated carbon by the CIELab color system, and among the digitized granular activated carbon, a lightness L * value of 11.50 or more and 19.00 or less A step of selecting the granular activated carbon as the granular activated carbon to be added to the filter part of the smoking article can be mentioned.
  • the step of digitizing the color of the granular activated carbon by the CIELab color system the lightness L * value, the chromaticity a * value and the chromaticity b * value of the granular activated carbon in the CIELab color system are based on JIS K 8730.
  • a step of digitizing by measuring with a color meter for example, SM-T45 manufactured by Suga Test Instruments Co., Ltd.
  • the granular activated carbon sample to be measured is preferably produced according to JIS K7373.
  • Lightness L * value 11.50 or 19.00 to the following granular activated carbon in the step of selecting as a granular activated carbon to be added to the filter of the smoking article, ⁇ degree L * value is 12.00 or 18.00 in the following It is preferably 12.00 or more and 17.50 or less, more preferably 12.00 or more and 13.50 or less.
  • the method is not particularly limited. Not done.
  • the lightness L * value in the CIELab color system is 11.50 or more and 19.00 or less
  • the color difference ⁇ E value in the CIELab color system is 14.00 or more and 21.50 or less.
  • a step of providing a granular activated carbon may be included. In the step of preparing the granular activated carbon, a step of digitizing the color of the granular activated carbon by the CIELab color system, and among the digitized granular activated carbon, a lightness L * value of 11.50 or more and 19.00 or less is used.
  • a step of selecting granular activated carbon having a color difference ⁇ E value of 14.00 or more and 21.50 or less as the granular activated carbon to be added to the filter portion of the smoking article In the step of numerically expressing the color of the granular activated carbon in the CIELab color system, the lightness L * value, the chromaticity a * value and the chromaticity b * value in the CIELab color system of the granular activated carbon and the blank are measured according to JIS K 8730.
  • the step of digitizing by measuring with a color meter for example, SM-T45 manufactured by Suga Test Instruments Co., Ltd.
  • the digitized lightness L * value, chromaticity a * value and chromaticity A step of calculating the color difference ⁇ E of the granular activated carbon from the b * value according to JIS K 8730 can be mentioned.
  • the granular activated carbon sample to be measured is preferably produced according to JIS K7373.
  • the lightness L * value is preferably 12.00 or more and 18.00 or less, more preferably 12.00 or more and 17.50 or less, and further preferably 12.00 or more and 13.50 or less. preferable.
  • the color difference ⁇ E value is preferably 14.50 or more and 20.50 or less, more preferably 14.50 or more and 20.00 or less, and further preferably 14.50 or more and 16.00 or less. preferable.
  • granular activated carbon having a lightness L * value and a color difference ⁇ E value within the above range and a granular activated carbon outside the above range can be selected.
  • the method is not particularly limited.
  • the granular activated carbon prepared in the step of preparing the granular activated carbon having the lightness L * value in the CIELab color system within the above range is added to the filter portion by the above-described known step. Including steps.
  • the method for producing a smoking article of the present invention is a method in which the granular activated carbon prepared in the step of preparing the granular activated carbon having the lightness L * value and the color difference ⁇ E value in the CIELab color system in the above-mentioned range is the above-mentioned known process.
  • the method may include a step of adding to the filter part according to
  • the method for producing a smoking article of the present invention includes the above-mentioned preparation step of the granular activated carbon, and thus has an acetone adsorption performance equal to or higher than that of the conventional article, and the authenticity of the smoking article can be determined by focusing on the color. It is possible to manufacture a smoking article including granular activated carbon in the filter portion. Further, in the method for manufacturing a smoking article of the present invention, since granular activated carbon having a specific lightness L * value or the like is used as described above, it is not necessary to perform processing such as coloring the granular activated carbon. .
  • the method for distinguishing the granular activated carbon added to the smoking article filter of the present invention includes a step of digitizing the color of the granular activated carbon in the CIELab color system, and a lightness L * value in the CIELab color system of 11.50 or more.
  • the method includes a step of selecting granular activated carbon having a value of 19.00 or less as the granular activated carbon to be added to the smoking article filter.
  • the step of digitizing the color of the granular activated carbon by the CIELab color system the lightness L * value, the chromaticity a * value and the chromaticity b * value of the granular activated carbon in the CIELab color system are based on JIS K 8730.
  • a step of digitizing by measuring with a color meter for example, SM-T45 manufactured by Suga Test Instruments Co., Ltd.
  • the granular activated carbon sample to be measured is preferably produced according to JIS K7373.
  • the lightness L * value is 12.00 or more and 18.00. It is preferably not more than 12.00, more preferably not less than 12.00 and not more than 17.50, still more preferably not less than 12.00 and not more than 13.50.
  • the selecting method is not particularly limited as long as the granular activated carbon having the lightness L * value within the above range and the granular activated carbon outside the above range can be selected.
  • the method of distinguishing the granular activated carbon added to the filter for smoking articles of the present invention has a lightness L * value of 11.50 or more and 19.00 or less, and further, a color difference ⁇ E value in the CIELab color system of 14.
  • the method may include a step of selecting granular activated carbon having a value of 00 or more and 21.50 or less as the granular activated carbon to be added to the smoking article filter.
  • the lightness L * value, the chromaticity a * value and the chromaticity b * value in the CIELab color system of the granular activated carbon and the blank are based on JIS K 8730.
  • the step of digitizing by measuring with a color meter for example, SM-T45 manufactured by Suga Test Instruments Co., Ltd.
  • the digitized lightness L * value, chromaticity a * value and chromaticity b * A step of calculating the color difference ⁇ E of the granular activated carbon from the value based on JIS K 8730 is included.
  • the granular activated carbon sample to be measured is preferably produced according to JIS K7373.
  • the lightness L * value is preferably 12.00 or more and 18.00 or less, more preferably 12.00 or more and 17.50 or less, and 12.00 or more and 13.50 or less. Is more preferable.
  • the color difference ⁇ E value is preferably 14.50 or more and 20.50 or less, more preferably 14.50 or more and 20.00 or less, and further preferably 14.50 or more and 16.00 or less. preferable.
  • the selecting method is not particularly limited as long as the granular activated carbon having the lightness L * value and the color difference ⁇ E value within the above range and the granular activated carbon outside the above range can be selected.
  • the method of distinguishing the granular activated carbon added to the smoking article filter of the present invention has an acetone adsorption performance equal to or higher than that of the conventional product, and is advantageous in performing the authenticity judgment of the smoking article by paying attention to the color.
  • Activated carbon can be selected objectively without depending on human subjectivity.
  • Sample preparation> The samples used in each example and each comparative example were obtained by requesting Kuraray Co., Ltd. to make a prototype under the following conditions and purchasing the produced prototype.
  • Sample of Comparative Example 3 In Comparative Example 3, the commercially available granular coconut shell activated carbon "Kuraray Coal (registered trademark) GGS-N28 / 70" itself was used as a sample.
  • the acetone adsorption performance (catalog value) of the granular coconut shell activated carbon is 25 ⁇ 2 mass fraction%.
  • Example of Comparative Example 1 the granular coconut shell obtained by crushing and sieving the coarsely crushed coconut shell charcoal, which is a raw material, is not subjected to activation treatment, but has a particle size distribution equivalent to that of Comparative Example 3. Charcoal was used as a sample.
  • the crushing / sieving process is the same as the crushing / sieving process performed on the commercially available granular coconut shell activated carbon “Kuraray Coal (registered trademark) GGS-N28 / 70”.
  • Comparative Example 2 is the same apparatus as the fluidized activation furnace used for the activation treatment of the above-mentioned commercially available granular coconut shell activated carbon “Kuraray Coal (registered trademark) GGS-N28 / 70” with respect to the coarsely crushed coconut shell charcoal as a raw material. Activation treatment was performed, and the obtained granular coconut shell activated carbon was used as a sample.
  • the activation treatment in order to obtain an acetone adsorption performance of the obtained granular coconut shell activated carbon of about 19% by mass, the activation treatment is performed so as to be lighter than that of the commercially available granular coconut shell activated carbon. Adjustments were made to reduce the activation process time.
  • the activation treatment in the preparation of the samples of Examples 1 to 4 described below is also the same as that of the flow activation furnace used for the activation treatment of the above-mentioned commercially available granular coconut shell activated carbon "Kuraray Coal (registered trademark) GGS-N28 / 70". I went with the equipment.
  • Example of Example 1 The coarsely crushed coconut shell charcoal, which is a raw material, was subjected to an activation treatment by a flow activation furnace, and the obtained granular coconut shell activated carbon was used as a sample.
  • the activation treatment is a more severe activation treatment than the activation treatment applied to the commercially available granular coconut shell activated carbon in order to make the acetone adsorption performance of the obtained granular coconut shell activated carbon about 28 mass%. Adjustments were mainly made to extend the activation treatment time.
  • Example of Example 2 The coarsely crushed coconut shell charcoal, which is a raw material, was subjected to an activation treatment by a flow activation furnace, and the obtained granular coconut shell activated carbon was used as a sample.
  • the activation treatment mainly extends the activation treatment time so that the activated adsorption treatment of the obtained granular coconut shell activated carbon is about 37 mass fraction% so that the activation treatment is more severe than the activation treatment of Example 1. Adjustments were made.
  • Sample of Example 3 The coarsely crushed coconut shell charcoal, which is a raw material, was subjected to an activation treatment by a flow activation furnace, and the obtained granular coconut shell activated carbon was used as a sample.
  • the activation treatment mainly extends the activation treatment time so that the activation treatment is more severe than the activation treatment of Example 2 in order to make the acetone adsorption performance of the obtained granular coconut shell activated carbon about 40 mass%. Adjustments were made.
  • Example of Example 4 The coarsely crushed coconut shell charcoal, which is a raw material, was subjected to an activation treatment by a flow activation furnace, and the obtained granular coconut shell activated carbon was used as a sample.
  • the conditions for the activation treatment are such that the acetone adsorption performance of the obtained granular coconut shell activated carbon is set to a value larger than that in Example 3 (if possible, about 45% by mass), compared to the activation treatment in Example 3.
  • adjustments were mainly made to extend the activation treatment time.
  • Example of Comparative Example 4 The coarsely crushed coconut shell charcoal as a raw material was subjected to activation treatment by a rotary kiln, and the obtained granular coconut shell activated carbon was used as a sample. The conditions for the activation treatment were adjusted so that the resulting granular coconut shell activated carbon had an acetone adsorption performance similar to that of Comparative Example 3.
  • Acetone adsorption performance measurement> The acetone adsorption performance of the granular activated carbon was measured according to JIS K 1474. Granular activated carbon is as described in ⁇ 2. The granular coconut shell activated carbon of the same lot except for Comparative Example 4 was used among those used in the measurement of lightness L * value, chromaticity a * value and chromaticity b * value, and calculation of color difference ⁇ E value>. Table 2 shows the measurement results of the acetone adsorption performance of the granular coconut shell activated carbons of Comparative Examples 1 to 3 and Examples 1 to 4.
  • the visual observation was performed by observing the enclosed granular coconut shell activated carbon through a transparent glass bottle, and then directly observing the activated carbon from the glass bottle on a desk. Based on the results of the above-mentioned visual observations, the panelist judged whether or not two different samples could be discriminated by brute force of the seven samples, and recorded the discriminable sample combinations. The records of the combinations of the identifiable samples are tabulated by visual observation by the panelists, and the results expressed in percentage are shown in Table 3.
  • the numerical values in Table 3 are% of the number of panelists judged to be distinguishable by visual observation.
  • Comparative Examples 1 to 3 could not be distinguished from each other. It was also found that Examples 2 to 4 could not be distinguished from each other.
  • Example 1 50% or more of the panelists were judged to be distinguishable from Comparative Examples 1 to 3, while less than 50% of panelists were judged to be distinguishable from Examples 2 to 4, so that According to the observation, it can be said that the granular coconut shell activated carbon is closer to the particles of Examples 2 to 4. Therefore, when the granular coconut shell activated carbon of Comparative Examples 1 to 3 is an illegal product and the granular coconut shell activated carbon of Examples 1 to 4 is an authentic product, both can be visually identified, and thus the authenticity judgment of smoking articles can be filtered. It can be carried out with the granular activated carbon contained in the part.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Carbon And Carbon Compounds (AREA)
PCT/JP2018/038867 2018-10-18 2018-10-18 喫煙物品、該喫煙物品の製造方法、及び粒状活性炭の鑑別方法 WO2020079813A1 (ja)

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EP18937234.5A EP3868227A4 (en) 2018-10-18 2018-10-18 SMOKING PRODUCT, METHOD OF MANUFACTURE OF THE SMOKING PRODUCT AND METHOD OF DIFFERENTIATION FROM GRANULAR ACTIVATED CHARCOAL
RU2021113824A RU2761271C1 (ru) 2018-10-18 2018-10-18 Курительное изделие, способ изготовления указанного курительного изделия и способ распознания гранулированного активированного угля
JP2020551680A JP7410866B2 (ja) 2018-10-18 2018-10-18 喫煙物品、該喫煙物品の製造方法、及び粒状活性炭の鑑別方法
PCT/JP2018/038867 WO2020079813A1 (ja) 2018-10-18 2018-10-18 喫煙物品、該喫煙物品の製造方法、及び粒状活性炭の鑑別方法
CN201880098734.4A CN112888325B (zh) 2018-10-18 2018-10-18 吸烟物品、该吸烟物品的制造方法、及粒状活性炭的鉴别方法
US17/231,799 US20210227880A1 (en) 2018-10-18 2021-04-15 Smoking product, method for producing said smoking product, and method for distinguishing granular activated carbon

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