JP6473016B2 - Tobacco filter, tobacco, and filter discoloration method - Google Patents

Description

  The present invention relates to a cigarette filter whose color changes due to smoking, a cigarette having the filter, and a method for changing the color of the filter.

  The cigarette filter emphasizes cleanliness and is usually adjusted to white with titanium oxide. Such a white cigarette filter has poor design, and the butts after smoking have a brownish taste and may give an uncomfortable feeling.

  From such a point of view, a tobacco filter having an excellent design property even after smoking is known, and Japanese Patent Application Laid-Open No. 2003-310235 (Patent Document 1) discloses discoloration due to adhesion of particle components in tobacco smoke. A cigarette filter that can be used to form a pattern on the mouth side is disclosed. This filter has a core part and a sheath part, and by making the ratio of the respective converted ventilation resistances 4 or 5 or more, it makes a difference in the degree of coloring due to the particle component in the tobacco smoke, and on the mouth side. A pattern resulting from the core cross-sectional shape can be formed. Patent Document 1 describes that the core part or both the core part and the sheath part can be colored in any color, or a material of any color can be selected. However, in the examples, there is no specific description about coloring.

  As a cigarette filter colored in chromatic color, for example, Japanese Patent Application Laid-Open No. 2003-102457 (Patent Document 2) includes a dye having a free radical removing ability such as shikonin and a filter base material such as cellulose acetate fiber. An improved filter is disclosed. This filter is colored red to magenta before use, but the dye changes to colorless according to the removal of free radicals, so that the filter replacement time can be confirmed visually. . However, since the pigment changes to colorless after smoking, the filter after use is brown with tar or the like.

  In addition, a cigarette filter colored in a deep color with a colorful color is also known. In JP-A-2003-172862 (Patent Document 3), a filter substrate is colored with a mixed solution containing a colorant such as a food colorant, a plasticizer, and a solvent compatible with the colorant and the plasticizer. Thus, a cigarette filter capable of expressing a dark and uniform color tone as compared with the case where no solvent is used is described. In the examples, the cellulose acetate fiber tow as a filter substrate is colored darkly using a mixed solution containing edible blue No. 1 or edible red No. 106 as a colorant, triacetyl glycerin, and propylene glycol. ing. The obtained filter is colored in dark color, and the brown taste derived from tar is less noticeable even in the butt after smoking, and the unpleasant appearance is reduced. In addition, it is excellent in design in that it can be colored uniformly with a colorful color. However, there is no idea of giving taste by using a change in filter appearance (for example, color) due to smoking.

  In addition, these documents do not describe changing the color of the filter so as to reduce discomfort even in the butts after smoking by using discoloration due to smoking.

JP 2003-310235 A (claims, paragraphs [0002]-[0004], [0015], Examples) JP 2003-102457 A (Claims [0041]-[0043]) JP 2003-172862 A (claims, paragraphs [0002]-[0004], [0007]-[0009], [0033], Examples)

  Accordingly, an object of the present invention is to provide a cigarette filter excellent in taste (fashionability) in which the color changes due to smoking, a cigarette having the filter, and a method for changing the color of the filter.

  Another object of the present invention is to have a taste (fashion) such as a color change caused by smoking in addition to the design by coloring, and can add new enjoyment in smoking using visual effects. To provide a cigarette filter, a cigarette having the filter, and a method for changing the color of the filter.

  As a result of intensive studies to achieve the above-mentioned problems, the present inventors have reduced the discomfort due to the color mixing with the tar color caused by smoking when the filter base material is lightly colored with a colorant having a specific hue. As a result, the present invention was completed.

  That is, the tobacco filter of the present invention has a hue (H) of +15 to +47.5 when the 5Y is represented as 0, the clockwise direction is + (plus), and the counterclockwise direction is − (minus) in the Munsell hue ring 100. The filter base material is colored pale with a colorant in the range of 5 or -10 to -35.

  The hue (H) of the colorant may be in the range of +20 to +47.5 or −12.5 to −30. Further, the lightness (V) of the colorant represented by the Munsell color system may be 4 or more. Further, the saturation (C) of the colorant having a hue (H) in the range of +20 to +47.5 may be 4 or more. Further, the saturation (C) of the colorant having a hue (H) in the range of -12.5 to -30 may be 8 or more. The colorant may be an edible dye, and the weight content of the colorant in the tobacco filter may be 1 ppm or more and less than 40 ppm.

  The filter substrate may be cellulose acetate fiber tow.

  The present invention also includes a cigarette having the cigarette filter. In addition, the cigarette has, for example, a cigarette filter having a hue (H) colored with a colorant in the range of +20 to +47.5 and a menthol-based fragrance; the hue (H) is −12. A cigarette filter having a cigarette filter colored with a colorant in the range of 5 to -30 and a citrus fragrance may be used.

  The present invention also includes a method of smoking a cigarette having the cigarette filter, mixing the color of the filter with a color derived from tar, and changing the hue (H) of the filter by 5 or more before and after smoking. .

  In the present specification, “hue (H)”, “brightness (V)”, and “saturation (C)” mean three attributes of colors expressed in the Munsell color system.

  In the present invention, since the filter base material is colored lightly with a colorant having a specific hue, the obtained tobacco filter is excellent in preference such as a color change due to smoking. This filter can give added value such as new enjoyment in smoking utilizing visual effects. Moreover, the designability by coloring can be provided even before smoking.

[Tobacco filter]
The cigarette filter of the present invention is a colorant having a specific hue, the filter base material is lightly colored, and the color of the filter can be changed by smoking.

(Coloring agent)
As the colorant, a colorant having a hue (H) represented by the Munsell color system in a specific range can be used. The Munsell color system is a system that displays an object color by dividing and arranging each of the three attributes at equal intervals in a space composed of three attributes of hue (H), lightness (V), and saturation (C). Yes, it is adopted in JIS Z 8721 “Color Display Method-Display with Three Attributes”. Hue (H) is red (R), yellow red (YR), yellow (Y), yellow green (YG), green (G), blue green (BG), blue (B), blue purple (BP), purple By arranging 10 hues of (P) and magenta (RP) sequentially in a circular shape in the clockwise direction, and further dividing each hue into 10 equally spaced, a Munsell hue ring with the entire ring as 100 hues is obtained. (Hereinafter referred to as the Munsell hue ring 100). In this specification, in the Munsell hue ring 100, 5Y is set to 0, the clockwise direction is + (plus), the counterclockwise direction is − (minus), and the hue (H) is displayed in the range of −50 to +50.

  The hue (H) of the colorant used in the present invention can be selected from the range of about +15 to +47.5 or -10 to -35, preferably +20 to +47.5 or -12.5 to -30, and more preferably. May be about +25 to +45 or -15 to -25. When the hue (H) of the colorant is out of the above range, the color change due to smoking is small, and the preference (designability) may be reduced.

  The lightness (V) of the colorant may be 4 or more (for example, 4 to 9.5), preferably 5 or more (for example, 5 to 9), more preferably 6 or more (for example, 6). To 8). If the lightness (V) of the colorant is too low, the colorant becomes dark and the butts are blackish, which may cause discomfort.

  Further, the saturation (C) of the colorant having a hue (H) in the range of +20 to +47.5 is 4 or more (for example, 4 to 10), preferably 5 or more (for example, 5 to 9), more preferably. It may be 6 or more (for example, 6 to 8). Further, the saturation (C) of the colorant having a hue (H) in the range of -12.5 to -30 is 8 or more (for example, 8 to 14), preferably 9 or more (for example, 9 to 13), Preferably, it may be 10 or more (for example, 10 to 12). If the saturation (C) of the colorant is too low, the filter is close to an achromatic color, so that the design is lost, and the butts are brown or blackish, which may cause discomfort.

  The hue (H), lightness (V), and saturation (C) of the colorant are based on JIS Z 8721, and the powdered colorant is a multi-angle spectrophotometer “CR-400” manufactured by Minolta, etc. Can be measured using.

  As a representative colorant, a food coloring can be suitably used. The food color may be either a synthetic color or a natural color.

  As a synthetic dye, a blue dye (for example, edible blue No. 1, edible blue No. 2), a red dye (for example, edible red No. 2, edible red No. 3, edible red No. 40, edible red No. 102, edible red) 104, food red 105, food red 106) and the like.

  Natural pigments include blue (or green) pigments (for example, gardenia blue pigments, spirulina pigments, chlorophylls), red (or magenta) pigments (for example gardenia red pigments, red beetle pigments, safflower red pigments, beet reds, Tomato pigment, perilla pigment, red cabbage pigment, red radish pigment, purple potato pigment, purple corn pigment, grape skin pigment, elderberry pigment, and grape juice pigment). These colorants can be used alone or in combination of two or more.

  In addition, as long as it exists in the range of the said hue (H), a single coloring agent may be used and a several coloring agent may be used. For example, yellow (or orange) pigments (for example, synthetic pigments such as edible yellow No. 4 and edible yellow No. 5); Gold pigments, Haematococcus alga pigments, red pepper pigments, Anato pigments, water-soluble Anato, cochineal pigments, natural pigments such as lac pigments), purple pigments and achromatic pigments may be mixed and colored.

  When combining and using a several coloring agent, the hue (H) of the mixed coloring agent should just be in the said range.

(Filter base material)
The filter substrate may be, for example, cellulose ester fiber (eg, cellulose acetate fiber, cellulose propionate fiber, cellulose butyrate fiber, etc.); cellulose fiber (eg, wood pulp, seed hair fiber, gin leather fiber, leaf fiber, etc.) Natural cellulose fiber, regenerated cellulose fiber such as viscose rayon and copper ammonia rayon); synthetic fiber (for example, polypropylene fiber) and the like. The cross-sectional shape of the fiber is not particularly limited, and may be, for example, a circle, an ellipse, a polygon, an irregular shape (for example, a Y shape, an X shape, an R shape, an I shape), a hollow shape, or the like. Also good. Moreover, the fiber may be crimped as needed. These fibers may be used alone or in combination of two or more.

  The shape of the filter base material is not particularly limited, and may be a fiber tow (bundled body), a sheet shape (for example, a paper shape made of paper such as pulp or cellulose ester fiber). The sheet-like substrate may be embossed or creped.

  The filter substrate may be a light-colored substrate, but is preferably white from the viewpoint of facilitating confirmation of coloration and color change due to smoking. In addition, cellulose acetate fiber tow can be suitably used from the viewpoints of filtration performance such as tar and nicotine, influence on taste and cost.

  The filter base material can be formed into a rod shape (rod shape) by a conventional method to prepare a cylindrical tobacco filter. For example, a method of converging the opened fibers, forming them into a rod shape, and winding them with a wrapping paper; introducing a sheet-like filter base material into a filter plug hoisting machine, winding it into a rod shape with a wrapping paper, and gluing it. For example, a method of cutting to a proper length can be exemplified.

  In addition, the tobacco filter has other components (for example, a plasticizer such as triacetin, an adsorbent such as activated carbon, a fragrance such as menthol, a sizing agent, a heat stabilizer, a yield improver, and the like, as long as the effects of the present invention are not impaired. An adhesive or the like).

  From the viewpoint of improving the taste, an adsorbent (particularly, powdered, granular, or fibrous activated carbon) may be added to the tobacco filter. The adsorbent can be introduced by a conventional method (for example, a method of adding to an opened fiber or a sheet-shaped wound filter substrate at the time of forming a tobacco filter). Further, the activated carbon may be uniformly dispersed in the cigarette filter, or may be partially unevenly distributed such as a dual charcoal filter (for example, unevenly distributed in addition to the mouth portion (mouth end side end portion)). From the viewpoint that it is easy to confirm the color change due to smoking, the activated carbon may be unevenly distributed in the filter.

(Coloring method)
The tobacco filter of the present invention can be prepared by coloring a filter base material before molding a tobacco filter or a tobacco filter after molding into a light color. When colored darkly, the brown taste derived from tar is less noticeable even in the butt after smoking, and the visual discomfort is reduced. Moreover, it is excellent in design in terms of dark coloring (color vividness) with colorful colors. However, since it becomes difficult to recognize the change in the filter appearance (color) due to smoking, there is a possibility that it lacks preference and cannot provide the smoker with the added value of rendering due to the change in color.

  The treatment method is not particularly limited as long as it is colored lightly, and a conventional method, for example, a color liquid in which a colorant is dissolved (or dispersed) in a solvent at a low concentration is prepared, and a filter substrate (or tobacco) is added to the color liquid. A method of immersing the filter); a method of applying (or spraying) the colored liquid onto the filter base material (or tobacco filter) by a coater or spray. The filter base material (or tobacco filter) obtained by the above method may be removed by heating and / or drying under reduced pressure.

  Examples of the solvent include alcohols (eg, alkanols such as ethanol and isopropyl alcohol; (poly) alkylene glycols such as propylene glycol, butylene glycol, polyethylene glycol, and polypropylene glycol, and polyhydric alcohols such as glycerin). Examples include ketones such as acetone, water, and the like. These solvents can be used alone or in combination of two or more. Of these solvents, ethanol is preferable from the viewpoint of handleability.

  The concentration of the coloring liquid is preferably low, and the weight content of the coloring agent can be selected from a range of, for example, about 1 to 50 ppm, preferably about 5 to 40 ppm, more preferably about 10 to 30 ppm. May be. If the concentration of the coloring liquid is too high, the filter base material is colored dark and there is a risk that discoloration due to smoking will be difficult to recognize.

  Note that the lightly colored tobacco filter has the same hue (H), lightness (V), and saturation (C) as the colorant.

  The weight content of the colorant in the tobacco filter can be selected from a range of, for example, about 1 ppm or more and less than 40 ppm (for example, 1 to 35 ppm), preferably 5 to 30 ppm (for example, 5 to 25 ppm), and more preferably About 10-20 ppm (for example, 10-15 ppm) may be sufficient. If the weight content of the colorant is too high, the cigarette filter becomes dark and the discoloration due to smoking may be difficult to understand.

  The weight content of the colorant in the cigarette filter is based on a calibration curve by extracting or dissolving the colorant in the cigarette filter, measuring the absorbance at the maximum absorption wavelength with a spectroanalyzer, and the like. Can be calculated.

[Discoloration due to smoking]
In the present invention, when smoking, the color of the tobacco filter and the color derived from tar generated by smoking are mixed, and the hue (H) of the tobacco filter changes.

  In addition, the tar which arises by smoking colors a tobacco filter brown (or tan), and the hue (H) exists in the range of -5-0. Therefore, by previously coloring the cigarette filter in a specific color with a light color, it is possible to provide a cigarette filter that is excellent not only in design by coloration but also in the taste of color change due to smoking. For example, the hue (H) of the colorant (or tobacco filter before smoking) is in the range of +15 to +47.5, preferably +20 to +47.5, more preferably +25 to +45 (green to blue color). If it exists, the tobacco filter after smoking will change to a yellowish green-greenish color. The hue (H) of the colorant (or the tobacco filter before smoking) is in the range of -10 to -35, preferably -12.5 to -30, and more preferably -15 to -25 (red color). In some cases, the tobacco filter after smoking changes to an orange color. In any case, compared with the cigarette butt of a general white cigarette filter, since it is not brownish, it can reduce the discomfort of appearance.

  The change in the hue (H) of the tobacco filter is, for example, 5 or more (for example, 5 to 25), preferably 7.5 or more (for example, 7.5) clockwise or counterclockwise in the Munsell hue ring 100. To 20), more preferably 10 or more (for example, 10 to 15). If the hue (H) change is too small, the smoker may not be able to recognize the color change.

  The cigarette having the cigarette filter may be flavored with a fragrance. The type of the fragrance is not particularly limited, and for example, the hue (H) of the colorant (or tobacco filter) is in the range of +15 to +47.5, preferably +20 to +47.5, more preferably +25 to +45 (green to When smoking the cigarette filter in the blue color) with a menthol-based fragrance, it changes from yellow-green to green after smoking. Can be made to feel a refreshing feeling more effectively. Examples of menthol-based fragrances include peppermint oil and spearmint oil.

  The hue (H) of the colorant (or cigarette filter) is in the range of −10 to −35, preferably −12.5 to −30, and more preferably −15 to −25 (red color). When the cigarette filter is scented with a citrus-based fragrance, it changes to an orange color after smoking, which, in combination with its visual presentation, can make smokers reminiscent of citrus fruits, making them more fragrant and refreshing. Can make you feel. Examples of citrus fragrances include orange oil, summer mandarin oil, lime oil, and lemon oil.

  Tobacco that combines the cigarette filter and the fragrance can provide added value such as new enjoyment by smoking. In addition, the fragrance | flavor may be contained in any part of the said cigarette, for example, may be contained in the chopping, the filter, etc.

  Hereinafter, the present invention will be described in more detail based on examples, but the present invention is not limited to these examples.

Example 1
Cut the filter body (25 mm) of cellulose diacetate crimped fiber tow of commercially available tobacco [Peace Light Box (registered trademark No. 2122839) (manufactured by Japan Tobacco Inc.)] with a razor. did.

  The cut filter was immersed in an ethanol solution (weight content 25 ppm) of edible blue No. 1 (Brilliant Blue FCF) (manufactured by Kiriya Chemical Co., Ltd.). Ethanol was removed by vacuum drying to obtain a cigarette filter colored light blue.

  After reconnecting the cut with a glass tube and smoking, the cigarette filter changed to emerald green.

Example 2
The filter cut in the same manner as in Example 1 was immersed in an ethanol solution (weight content 20 ppm) of Edible Red No. 2 (Amaranth) (manufactured by Kiriya Chemical Co., Ltd.). Ethanol was removed by vacuum drying to obtain a cigarette filter colored light red.

  After reconnecting the cut with a glass tube and smoking, the cigarette filter turned bright orange.

  INDUSTRIAL APPLICABILITY The present invention can be used for cigarettes having a design property by coloring and a taste (fashionability) such as a color change by smoking. In particular, the combination with a fragrance can give added value such as new enjoyment to smoking.

Claims (11)

In the Munsell hue ring 100, when 5Y is represented as 0, the clockwise direction is represented as + (plus), and the counterclockwise direction is represented as-(minus), the hue (H) is in the range of +15 to +47.5 or -10 to -35. The cigarette which has the cigarette filter which colored the filter base material in light color with the coloring agent which exists in a suction end side part . Coloring hue (H) is, cigarette tobacco of claim 1 wherein in the range of +20 to + 47.5 or -12.5～-30. Cigarette tobacco of claim 1 or 2, wherein colorants of lightness represented by Munsell color system (V) is 4 or more. Coloring hue (H) is, + in the range of 20 to + 47.5, cigarette tobacco according to any one of claims 1 to 3 saturation of colorants (C) is 4 or more. Coloring hue (H) is in the range of -12.5～-30, cigarette tobacco according to any one of claims 1 to 3 saturation of colorants (C) is 8 or more. Cigarette tobacco according to claim 1 which is colored by food dyes. Colorants weight content of tobacco filters, cigarette tobacco according to any one of claims 1 to 6 or more and less than 1 ppm 40 ppm. Filter substrate, cigarette tobacco according to any one of claims 1 to 7 is a cellulose acetate fiber tow. The hue (H) of the colorant is in the range of +20 to +47.5. The cigarette filter according to claim 1 or 2, and the menthol-based fragrance, according to any one of claims 1-4 and 6-8. of cigarettes. The hue (H) of the colorant is in the range of -12.5 to -30. The cigarette filter according to claim 1 or 2, and the citrus fragrance , any one of claims 1-3, 5-8. Cigarettes as described in . A method of smoking the cigarette according to any one of claims 1 to 10 , mixing the color of the filter and a color derived from tar, and changing the hue (H) of the filter by 5 or more before and after smoking.