WO2018061330A1 - 紙管、ロール状シート、及び紙管の製造方法 - Google Patents

紙管、ロール状シート、及び紙管の製造方法 Download PDF

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Publication number
WO2018061330A1
WO2018061330A1 PCT/JP2017/021157 JP2017021157W WO2018061330A1 WO 2018061330 A1 WO2018061330 A1 WO 2018061330A1 JP 2017021157 W JP2017021157 W JP 2017021157W WO 2018061330 A1 WO2018061330 A1 WO 2018061330A1
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WIPO (PCT)
Prior art keywords
layer
fragrance
sustained release
base paper
scent
Prior art date
Application number
PCT/JP2017/021157
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English (en)
French (fr)
Japanese (ja)
Inventor
進太郎 大場
Original Assignee
大王製紙株式会社
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Filing date
Publication date
Application filed by 大王製紙株式会社 filed Critical 大王製紙株式会社
Publication of WO2018061330A1 publication Critical patent/WO2018061330A1/ja

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/16—Paper towels; Toilet paper; Holders therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/04—Kinds or types
    • B65H75/08—Kinds or types of circular or polygonal cross-section
    • B65H75/10—Kinds or types of circular or polygonal cross-section without flanges, e.g. cop tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details

Definitions

  • a fragrance is imparted to a core paper tube so that the scent can be felt when the product is used.
  • a fragrance is attached to the predetermined region of the outer peripheral surface of the paper tube by spraying the fragrance composition (FIG. 1).
  • flavor application layer formed by apply
  • the inner peripheral surface of a 1st film There is known a paper tube provided with a gas barrier second film which is detachably provided. (Patent Document 1).
  • the fragrance component easily escapes from the outer peripheral surface side of the paper tube through a sheet wound around the paper tube. Further, the fragrance component can escape from the inner peripheral surface side of the paper tube through the paper tube base paper. Further, in a so-called multi-rolled sheet having a large number of rolls per roll, the fragrance imparted to the paper tube may be volatilized and disappear before the end of use of the roll.
  • Patent Document 1 mention is made of the persistence of the scent after the start of use, but the long-term sustainability assumed in a multi-rolled sheet is not studied.
  • an object of one embodiment of the present invention is to provide a paper tube for a roll-like sheet that can maintain a scent for a long period of time.
  • a first form of the present invention is a paper tube that becomes a core of a roll-shaped sheet, and includes a cylindrical base paper layer, and a scent sustained release layer laminated on the outside of the base paper layer.
  • the first coating layer includes a fragrance weakly permeable layer or a fragrance barrier layer
  • the second coating layer includes a fragrance weakly permeable layer
  • the fragrance sustained release layer includes the first coating layer as the base paper. It arrange
  • the perfume layer is not directly laminated on the base paper layer, but the scent sustained release layer constituted by sandwiching the perfume layer between the first cover layer and the second cover layer is used as the base paper. Laminated on the outside of the layer.
  • the volatilization of the fragrance component from the inner peripheral surface and the outer peripheral surface of the fragrance layer can be appropriately adjusted. Specifically, the fragrance component is released directly from the fragrance layer into the atmosphere from the end surface of the fragrance layer, and in other places, the fragrance component passes through the fragrance weakly permeable layer, the sheet, and the base paper. It is gradually released into the atmosphere (released slowly).
  • the base paper layer has another scent sustained release layer inside, and the other scent sustained release layer includes a fragrance layer containing a fragrance and one of the fragrance layers.
  • the coating layer includes a perfume weakly permeable layer, and the other scent sustained release layer is disposed so that the third coating layer faces the base paper layer.
  • a scent sustained release layer similar to the scent sustained release layer provided on the outside is additionally provided inside the base paper layer.
  • flavor layer contained in a paper tube becomes multiple, it can respond when a stronger fragrance is desired.
  • flavor sustained release layer is also pinched
  • an opening is provided in the second coating layer.
  • the volatilization of the fragrance can be increased from the location, so that the desired fragrance strength can be increased.
  • the scent release can be adjusted accordingly.
  • the fourth aspect of the present invention is a roll-shaped sheet including a paper tube according to any one of the first to third aspects and a sheet wound around the paper tube.
  • the roll-shaped sheet has a paper tube that exhibits the effects described above for the first to third aspects as a core, so that the scent can be maintained for a long period of time. Can be provided.
  • a fifth aspect of the present invention has a cylindrical base paper layer and a scent sustained release layer laminated on the outside of the base paper layer, and the scent sustained release layer includes a fragrance layer containing a fragrance, and the fragrance.
  • a paper tube for a roll-like sheet that can maintain a scent for a long period of time is provided.
  • flavor was provided is shown.
  • the perspective view of the paper tube by one form of this invention, and the elements on larger scale of the end surface of a paper tube are shown.
  • 1 shows a partially enlarged view of an end face of a paper tube according to an embodiment of the present invention.
  • 1 shows a partially enlarged view of an end face of a paper tube according to an embodiment of the present invention.
  • the schematic perspective view of the roll-shaped sheet by one form of the present invention is shown. It is the schematic which shows the manufacturing process of the paper tube by one form of this invention.
  • FIG. 2 (a) shows a schematic perspective view of a paper tube according to this embodiment.
  • FIG. 2B shows a partially enlarged view of the end surface (cut surface).
  • the paper tube 10 of this embodiment includes a cylindrical base paper layer 20 and a scent sustained release layer 80 laminated on the outside of the base paper layer 20.
  • the scent sustained release layer 80 is a laminate in which a first coating layer 40 including a fragrance weakly permeable layer or a fragrance barrier layer, a fragrance layer 30 including a fragrance, and a second coating layer 50 including a fragrance weakly permeable layer are sequentially stacked.
  • the first covering layer 40 is disposed so as to face the outer peripheral surface of the base paper layer 20.
  • the fragrance weakly permeable layer (second coating layer 50) is interposed between the fragrance layer 30 and the sheet 11.
  • the volatilization of the fragrance component from the outer peripheral surface of the fragrance layer 30 can be suppressed to some extent.
  • the fragrance component can be gradually released (slowly released) through the sheet 11 on the outer peripheral surface side of the paper tube 10.
  • a fragrance weakly permeable layer or a fragrance barrier layer (first coating layer 40) is interposed between the fragrance layer 30 and the base paper layer 20.
  • the fragrance weakly permeable layer is interposed, the amount of the fragrance component that volatilizes from the inner peripheral surface of the fragrance layer can be suppressed to some extent. It can be released slowly (to the atmosphere).
  • the fragrance barrier layer is interposed, volatilization of the fragrance component from the inner peripheral surface of the fragrance layer 30 can be prevented, so that the release of the fragrance component from the inner peripheral surface side of the paper tube 10 can be substantially eliminated.
  • the fragrance component is directly released from the fragrance layer 30 into the atmosphere from the end face of the fragrance layer 30 having a small area, and the fragrance component is gradually released from other places or substantially. It can be prevented from being released. That is, it is discharged from the outer peripheral surface side of the paper tube 10 through the second coating layer 50 and the sheet 11, and from the inner peripheral surface side of the paper tube 10, the first coating layer 40 and the base paper layer 20 are discharged. It will remain weakly released through. Therefore, it is avoided that a fragrance is rapidly volatilized outside.
  • the volatilization of the fragrance component on the inner peripheral surface side and the outer peripheral surface side of the paper tube 10 can be adjusted, the scent can be maintained for a long period of time, for example, several months. Therefore, even when it is used as a paper tube for the multi-rolled roll sheet 12, the user continues until the use of the multi-rolled roll sheet is completed (until the multi-rolled roll sheet is consumed). Can continue to feel the scent.
  • the intensity of the scent does not drop sharply. Therefore, the scent can be stably maintained until the use is completed with the same strength as the initial stage of use. Therefore, the scent of desired intensity can be made from the initial stage of use to the end of use.
  • the base paper layer 20 has a cylindrical shape, and specifically has a hollow cylindrical shape.
  • the base paper layer 20 may be composed of a single layer or a plurality of layers, and may be a flat-wrapped paper tube or a so-called spiral paper tube wound spirally.
  • the paper thickness of the base paper is preferably 50 to 800 ⁇ m, more preferably 100 to 400 ⁇ m.
  • the scent sustained release layer 80 includes a first coating layer 40 including a fragrance weakly permeable layer or a fragrance barrier layer, a fragrance layer 30, and a second coating layer 50 including a fragrance weakly permeable layer. be able to.
  • the thickness of the scent sustained release layer 80 is preferably 15 to 400 ⁇ m, more preferably 15 to 200 ⁇ m, and further preferably 45 to 145 ⁇ m. By setting it as 15 micrometers or more, sufficient intensity
  • the thickness is 400 ⁇ m or less, the paper tube 10 is easily wound during manufacture, and is easily deposited on the base paper on which the base paper layer 20 is formed.
  • the thickness of the scent sustained release layer 80 is 100 ⁇ m or more, even when the paper tube 10 including each of the base paper layer 20 and the scent sustained release layer 80 is configured, an appropriate strength is maintained. Can do.
  • the scent sustained release layer 80 may be a single layer or a plurality of layers.
  • the first coating layer 40 may include a fragrance weakly permeable layer
  • the second coating layer 50 includes a fragrance weakly permeable layer.
  • the fragrance weakly permeable layer is a layer that adjusts the volatilization rate of the fragrance component so that the fragrance is gradually released as compared with the case where the fragrance layer 30 is not exposed on the fragrance layer 30 and the fragrance layer 30 is exposed. is there.
  • Perfume weak transmission layer for example, permeability of the oxygen is greater than 200cc / m 2 ⁇ day ⁇ atm , at preferably not more than 10000cc / m 2 ⁇ day ⁇ atm , 700 ⁇ 8500cc / m 2 ⁇ day ⁇ atm More preferably, it is 1000 to 7000 cc / m 2 ⁇ day ⁇ atm.
  • permeability of carbon dioxide is greater than 900cc / m 2 ⁇ day ⁇ atm , preferably not more than 40000cc / m 2 ⁇ day ⁇ atm , When it is 2000 ⁇ 35000cc / m 2 ⁇ day ⁇ atm Preferably, 4000 More preferably, it is ⁇ 30000 cc / m 2 ⁇ day ⁇ atm.
  • the thickness of the perfume weakly permeable layer is preferably 5 to 100 ⁇ m, and more preferably 20 to 70 ⁇ m.
  • the material used for the fragrance weakly permeable layer is preferably a resin film.
  • resin film examples thereof include polyethylene (PE), polystyrene (PS), polypropylene (PP), and polycarbonate.
  • one or a plurality of materials can be appropriately selected according to the kind of the fragrance or the desired scent strength.
  • the resins can be mixed and used, or each resin film can be laminated to be used as a laminate film.
  • the 1st coating layer 40 was a fragrance
  • flavor weak transmission layer used as the 2nd coating layer 50 And thickness may be the same and may differ.
  • the first coating layer 40 may include a fragrance barrier layer.
  • This perfume barrier layer is a layer that has a remarkably low gas (gas) permeability and does not allow perfume component gas emitted from the perfume layer 30 to pass therethrough.
  • the fragrance barrier layer has a function of preventing the fragrance from the fragrance layer 30 from being substantially felt when the fragrance layer 30 is covered with the fragrance barrier layer.
  • the perfume barrier layer has a permeability of oxygen of 200 cc / m 2 ⁇ day ⁇ atm or less and a permeability of carbon dioxide of 900 cc / m 2 ⁇ day ⁇ atm or less. Since it can prevent suitably, it is preferable.
  • the thickness of the fragrance barrier layer is preferably 5 to 100 ⁇ m, more preferably 10 to 50 ⁇ m.
  • flavor barrier layer can also be made into a single layer, and can also be made into multiple layers.
  • the material used for the fragrance barrier layer is preferably a resin film.
  • ethylene-vinyl alcohol copolymer (EVOH) resin in which styrene elastomer is blended with EVOH
  • nylon polyethylene terephthalate (PET), polyvinyl alcohol (PVOH), polyvinylidene chloride, biaxially oriented polypropylene (OPP), etc.
  • PET polyethylene terephthalate
  • PVOH polyvinyl alcohol
  • OPP biaxially oriented polypropylene
  • EVOH ethylene-vinyl alcohol copolymer
  • Nylon is preferred because it has a high gas barrier property and a good balance between longitudinal and lateral tear strength.
  • one or a plurality of materials can be appropriately selected according to the kind of the fragrance or the desired scent strength.
  • the resins can be mixed and used, or each resin film can be laminated to be used as a laminate film.
  • the perfume barrier layer can also be a metal sheet such as a metal foil, or a laminate film obtained by laminating the above resin film on a metal sheet.
  • the fragrance layer 30 may be formed by applying a liquid or slurry fragrance composition containing a fragrance, and a liquid or slurry fragrance composition containing a fragrance on a substrate such as paper, nonwoven fabric or cloth. It may be formed by impregnating an object.
  • the thickness of the fragrance layer 30 is preferably 5 to 200 ⁇ m, and more preferably 40 to 100 ⁇ m.
  • fragrance contained in the fragrance layer 30 natural or synthetic known fragrances can be used. Specific examples include Ryusen Incense, Benzo Incense, Kaigo Incense, Spirit Cat Incense, Clove Oil, Galvanam, Jasmine, Labanam, Mate Tea, Merilot, Mimosa, Musk Tonkin, Myrrh, Oak Moss, Milk Incense, Syringe Incense, Oris, Bachuri, Rose Natural flavors such as marie, lemon, grapefruit, peppermint, mandarin, lime, yuzu, chamomile, lavender, rose, spearmint, sandalwood, vetiver, violet leaf, and extracts thereof, alcohol, ketone, aldehyde, benzaldehyde, benzoic acid, Cinnamic acid, cinnamic aldehyde, cinnamic alcohol, coumarin, ester, indole, ketone, salicylic acid and related compounds, terpenes such as limonene, linalool, citronellol,
  • the perfume component can be appropriately diluted with mineral oil such as dipropylene glycol and paraffin oil, castor oil, and vegetable oil such as soybean oil in order to adjust the strength of the fragrance (fragrance).
  • the fragrance layer 30 has a deodorizing substance such as extract of plantain plant, extract of leguminous clara plant, cypress oil, hiba oil, cedar oil, fine oil, camphor oil, etc. It can also be added in types and amounts that do not or do not change.
  • the composition When the fragrance layer 30 is formed by application of a composition containing a fragrance, the composition preferably includes a material that forms a layer or a film, and such a material is an adhesive base. More preferred. Moreover, even when it is formed by impregnating a base material such as paper with a composition containing a fragrance, the composition preferably contains a material having a property of forming a layer or a film. More preferably, it contains a base.
  • the adhesive base examples include polyvinyl alcohol adhesives, natural rubber adhesives, natural rubber latex adhesives, acrylic adhesives, hot melt adhesives, starch adhesives, cellulose adhesives, and vinyl acetate. System adhesives and the like.
  • the fragrance weakly permeable layer and the fragrance barrier layer are made of resin (the first coating layer 40 and the second coating layer 50 are made of resin), an acrylic adhesive having excellent adhesiveness to the resin is used. And preferred.
  • the fragrance layer 30 is made of a composition containing a fragrance and contains an adhesive base
  • the fragrance layer 30 is interspersed between the first coating layer 40 and the second coating layer 50.
  • it may exist in a predetermined pattern, it is preferable that it exists over the entire surface because adhesion or adhesion to the first coating layer 40 and the second coating layer 50 is enhanced.
  • the blending ratio of the fragrance contained in the fragrance composition can be appropriately selected depending on the kind of the fragrance and the desired intensity of the fragrance, but is preferably 0.5 to 15 g / m 2 and 3 to 8 g / m 2. m 2 is more preferable. By setting it as the said range, a fragrance can be maintained over a long period of time, and the increase in cost can also be suppressed.
  • the fragrance layer 30 can be configured as a film in which a fragrance is mixed into a resin.
  • the resin used in that case is preferably a rubbery block copolymer having a styrene block and a diene block.
  • Such rubbery block copolymers include styrene-butadiene copolymers, styrene-isoprene copolymers, styrene-butadiene-styrene copolymers, styrene-isoprene-styrene copolymers, styrene-isoprene-butylene- Examples thereof include styrene copolymers, styrene-ethylene-propylene-styrene copolymers, and hydrogenated products thereof.
  • the above resins can be used alone or in combination of two or more.
  • a rubbery block copolymer when used, it may be blended with polyethylene, polypropylene, polyethylene or a maleic anhydride modified product of polypropylene, and an ethylene-vinyl copolymer.
  • the blending ratio of the fragrance when the fragrance layer 30 is a film in which the fragrance is mixed with the above resin depends on the type of the fragrance and the strength of the desired fragrance, and the degree to which the resin transmits the fragrance It can be 1 to 50% by weight in the resin. By setting it as the said range, a fragrance can be maintained over a long period of time, and the raise of the cost by adding more fragrance
  • a scent sustained release layer 81 can be additionally provided inside the base paper layer 20.
  • the scent sustained release layer 81 provided on the inside the same scent sustained release layer 80 provided on the outside of the base paper layer 20 can be used. That is, the scent sustained release layer 81 includes the fragrance layer 31 including, the third coating layer (fragrance fragrance transmission layer or fragrance barrier layer) 41 laminated on one surface of the fragrance layer 31, and the other surface. 4th coating layer (fragrance
  • the scent sustained release layer 81 is also arranged so that the third covering layer 41 faces the base paper layer 20. That is, the two scent sustained release layers 81 are arranged symmetrically inside and outside through the base paper layer 20.
  • the fragrance sustained release layer 81 is additionally provided, the fragrance layer included in the paper tube 10 becomes two or more, so that it is possible to cope with a case where a stronger fragrance is desired. Moreover, volatilization of the fragrance
  • the scent sustained release layer 81 additionally provided inside includes the fragrance layer 31, the third coating layer 41 laminated on one surface of the fragrance layer 31, and the fourth coating laminated on the other surface.
  • the material and / or thickness of each layer may be the same as or different from the scent sustained release layer 80 provided on the outside.
  • the gas permeability of the 3rd coating layer 41 (fragrance
  • flavor weak permeable layer) may be the same as that of a 2nd coating layer (fragrance
  • the scent sustained release layer 81 provided on the inner side can be a single layer or a plurality of layers.
  • a very small opening 55 may be provided in the second coating layer (fragrance-slightly permeable layer) 50.
  • the shape and size of the opening 55 provided in the second coating layer 50 are not particularly limited, and can be appropriately selected depending on the use of the paper tube, the kind of the fragrance, and the desired scent intensity.
  • the shape of the opening 55 can be a circle, a polygon such as a triangle or a quadrangle, and is preferably a slit.
  • the width can be about 0.1 to 100 ⁇ m and the length can be about 5 to 1000 ⁇ m.
  • the opening 55 reaches the fragrance layer 30, and the fragrance layer 30 is exposed to the atmosphere at the location where the opening 55 is provided.
  • the second covering layer (fragrance weakly permeable layer) 50 may be partially left. That is, the opening 55 can also be a location where the thickness of the second coating layer 50 is smaller than the surroundings.
  • the opening 55 can be formed by rubbing the surface of the second coating layer 50 with a file or the like, or can be formed by performing a corona treatment or the like.
  • the scent sustained release layer 81 When the scent sustained release layer 81 is additionally provided on the inner peripheral surface of the base paper layer 20 as described above, the scent sustained release layer 81 additionally provided has an opening similar to the above. Can be provided. That is, an opening may be provided in the fourth covering layer (fragrance perfume weakly permeable layer) 51 included in the other scent sustained release layer 81.
  • FIG. 6 shows an example of a manufacturing process and a manufacturing apparatus for the paper tube 10 according to this embodiment.
  • a base paper 25 that becomes the base paper layer 20 and a scent sustained release film 85 that forms the scent sustained release layer 80 are respectively prepared.
  • the scent sustained release film 85 can be manufactured as follows.
  • the fragrance layer 30 is formed from a composition containing a fragrance and an adhesive base, a film serving as the fragrance weakly permeable layer or the fragrance barrier layer serving as the first coating layer 40, and the second coating layer 50.
  • the composition containing the perfume and the adhesive base is applied to the film that becomes the first coating layer 40 and / or the film that becomes the second coating layer 50. , Can be laminated and integrated.
  • the resin that forms the first coating layer 40, the resin that forms the fragrance layer 30, and the second coating layer 50 can be laminated and integrated by a co-extrusion method using a T-die method or an extrusion laminating method.
  • the base paper 25 After preparing the base paper 25 and the scent sustained release film 85, as shown in FIG. 6, after applying the adhesive 65 to the outer surface of the base paper 25 (the surface located on the outer peripheral surface side of the paper tube 10), the base paper 25 is Wrap around the core shaft 2. Then, the scent sustained release film 85 is wound so that the scent sustained release film 85 is laminated
  • the adhesive 65 is applied to the outer surface of the base paper 25, but may be applied to the inner surface of the scent sustained release film 85 instead of or in addition to the application to the base paper 25. .
  • the paper tube 10 for the roll sheet 12 is cut to a predetermined length.
  • one in which two paper tube base papers are spirally wound to form a paper tube is conventionally known.
  • one of the paper tube base papers is scented. It can manufacture by changing to a sustained release film. Therefore, since an existing manufacturing process and manufacturing apparatus can be used, the cost for equipment change can be suppressed.
  • the base paper 25 When wrapping the base paper 25 and the scent sustained release film 85, the base paper 25 can be spirally wound around the core shaft 2 without a gap while abutting the edges. Moreover, it can also wind so that an edge part may leave
  • the scent sustained release film 85 can also be wound in the same manner as the base paper 25.
  • the base paper 25 and the scent sustained release film 85 do not align and wind the edge of the base paper 25 and the edge of the scent sustained release film 85, but the strength of the base paper 25 and the scent sustained release film 85 is increased. Since it can improve, it is preferable.
  • the other scent sustained release film used as the other scent sustained release layer 81 is prepared, and this other scent sustained release layer is prepared.
  • a step of winding the release film around the core shaft 2 and then winding the base paper 25 on the outer surface of the other scent sustained release film after applying an adhesive to the other scent sustained release film and / or the base paper 25 may be added.
  • the adhesive used for bonding between the base paper 25 and the scent sustained release layer 80 those mentioned as the adhesive base used for the fragrance layer 30 in the scent sustained release layer 80 can be used. That is, polyvinyl alcohol adhesive, natural rubber adhesive, natural rubber latex adhesive, acrylic adhesive, hot melt adhesive, starch adhesive, cellulose adhesive, vinyl acetate adhesive, etc. It is done.
  • the paper tube 10 of this embodiment is suitably used as the core of a roll-like sheet 12 for hygiene such as toilet or makeup.
  • a paper tube refers to the tubular member which has a function which simplifies transportation, installation, and use of a sheet-like product by winding a sheet-like product, such as sanitary thin paper, around it, and making it into a roll shape.
  • the paper tube is generally made of paper, but may contain a material other than paper (resin film or the like) as in the present embodiment. What is substantive is also included in the concept of paper tubes.
  • Example 1 Film made of polyethylene (PE) (film to be a perfume weakly permeable layer, oxygen permeability: 5000 cc / m 2 ⁇ day ⁇ atm, carbon dioxide permeability: 20000 cc / m 2 ⁇ day ⁇ atm, thickness: 60 ⁇ m) And a film made of polyethylene terephthalate (PET) (film to be a fragrance barrier layer, oxygen permeability: 10 cc / m 2 ⁇ day ⁇ atm, carbon dioxide permeability: 50 cc / m 2 ⁇ day ⁇ atm, thickness: 38 ⁇ m), a composition containing a liquid fragrance (DIOR JASMIN TRC 5224, manufactured by Kao Corporation) and an adhesive was laminated and integrated to prepare a fragrance sustained-release film having a thickness of 118 ⁇ m. . This thickness was measured with a dial gauge (manufactured by Ozaki Seisakusho, PEACOCK G type
  • the scent sustained release film is overlapped on the outside of the base paper having a thickness of 200 ⁇ m and wound around the core shaft as shown in FIG. 6, and one scent sustained release layer is laminated on the outside of the base paper layer.
  • the scent sustained release layer was laminated so that the scent barrier layer was disposed on the base paper layer side.
  • the length of the paper tube was 114 mm and the paper tube diameter was 41 mm.
  • toilet paper 45 m double (two sheets), basis weight 16.5 g / m 2 , paper thickness (one sheet) 125 ⁇ m
  • toilet paper 45 m double (two sheets), basis weight 16.5 g / m 2 , paper thickness (one sheet) 125 ⁇ m
  • Example 2 A roll-shaped sheet was produced in the same manner as in Example 1 except that one scent sustained release layer was provided on each of the outer and inner sides of the base paper layer.
  • the two scent sustained-release layers provided in Example 2 are the same, and each scent sustained-release layer is laminated so that the fragrance barrier layer is disposed on the base paper layer side.
  • Example 3 A roll-shaped sheet was produced in the same manner as in Example 1 except that two scent sustained release layers were provided outside the base paper layer and one scent sustained release layer was provided inside.
  • the three scent sustained release layers provided in Example 2 are the same, and all of the scent sustained release layers are laminated so that the fragrance barrier layer is disposed on the base paper layer side.
  • Example 4 A roll-shaped sheet was produced in the same manner as in Example 1 except that a fragrance sustained-release layer in which an opening was formed in the perfume weakly permeable layer by file was used.
  • Example 1 One scent sustained release layer is laminated on the outer side of the base paper layer, and the scent barrier layer of the scent sustained release layer is disposed on the opposite side of the base paper layer (the scent slow release layer with respect to Example 1). The layers were laminated with the release layer reversed. Otherwise, a roll-like sheet was produced in the same manner as in Example 1.
  • Example 1 even after 48 hours, the intensity of the scent does not decrease or hardly decreases. Therefore, it was found that by using the paper tube of this embodiment, the scent can be released continuously for about 3 months under normal use conditions. Further, in Examples 2 and 3, since the number of scent sustained release layers is larger than that in Example 1, the scent is stronger than Example 1 over the entire period of 0 to 48 hours. In either case, the decrease in scent intensity over time was negligible. In Example 4, since the opening was provided in the perfume weakly permeable layer, a stronger scent could be released from an earlier stage than Example 1.
  • Comparative Example 1 does not include a fragrance layer included in the scent sustained-release layer, but directly applies the fragrance to the paper tube. Since the amount of the fragrance contained in the fragrance layer is larger than that in Example 1, it can be seen that a strong fragrance is released at the start of the test, but the fragrance is rapidly weakened over time.
  • the scent sustained release layer was reversed with respect to the arrangement of Example 1 (the fragrance weakly permeable layer was on the base paper layer side, and the scent barrier layer was on the side opposite to the base paper layer).
  • the perfume barrier layer is arranged on the outer peripheral surface side of the paper tube. In this configuration, although the change in the intensity of the fragrance is small, the intensity of the fragrance is small from the start of use, and the allowable range of the fragrance evaluation has not been reached.

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PCT/JP2017/021157 2016-09-29 2017-06-07 紙管、ロール状シート、及び紙管の製造方法 WO2018061330A1 (ja)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
US11191398B2 (en) * 2019-06-06 2021-12-07 Sharon Warren Fragrance releasing toilet paper assembly

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