EP2549015B1 - Papier de manchette à faible grammage, et cigarette comprenant filtre - Google Patents

Papier de manchette à faible grammage, et cigarette comprenant filtre Download PDF

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Publication number
EP2549015B1
EP2549015B1 EP10847940.3A EP10847940A EP2549015B1 EP 2549015 B1 EP2549015 B1 EP 2549015B1 EP 10847940 A EP10847940 A EP 10847940A EP 2549015 B1 EP2549015 B1 EP 2549015B1
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Prior art keywords
tipping paper
paper
basis weight
gsm
tipping
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EP10847940.3A
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German (de)
English (en)
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EP2549015A1 (fr
EP2549015A4 (fr
Inventor
Toru Sakurai
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Japan Tobacco Inc
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Japan Tobacco Inc
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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/34—Ignifugeants
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/17—Ketenes, e.g. ketene dimers
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/675—Oxides, hydroxides or carbonates
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/38—Coatings with pigments characterised by the pigments
    • D21H19/385—Oxides, hydroxides or carbonates
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes

Definitions

  • the present invention relates to a tipping paper having a low basis weight which is rolled up as an outermost layer of a filter portion of a filter-equipped cigarette and a filter-equipped cigarette comprising the tipping paper.
  • a filter-equipped cigarette is manufactured by facing a cigarette rod to a filter and rolling the whole outer periphery surface of the filter and the peripheral surface portion of the cigarette rod in the face vicinity with a tipping paper to unite the cigarette rod with the filter.
  • the tipping paper prefferably has functional characteristics such as tensile strength which is the required quality at the time of rolling, stiffness which is the required appearance quality of the rolled products at the time of rolling, hiding of the dust of powder, opacity to be required for design, and fire retardancy to guarantee proper burning in the vicinity of the filter, and to have a low basis weight from the viewpoint of production and reduction in weight at the time of transportation.
  • Japanese Patent No. 2875184 discloses the invention of a fire-retardant base paper which is used for a tipping paper containing titanium oxide and kaolin as a filler.
  • the invention relates to the improvement of the filler and the base paper still has a general basis weight (37 gsm) as described in examples.
  • Jpn. Pat. Appln. KOKAI Publication No. 10-219599 discloses a tipping paper which contains calcium carbonate with a specific particle size and reduces the wear of a breaking instrument (blade, etc.) at the time of cutting.
  • the claims in this patent publication describe that the basis weight of the tipping paper is 32 gsm.
  • the invention of the patent publication aims at substituting titanium dioxide with an inexpensive one.
  • calcium carbonate having a specific particle size is used. Accordingly, the fire retardancy to be required as the tipping paper is sacrificed.
  • the tipping base paper having a basis weight of 31 to 35 gsm is distributed to the market.
  • the tipping base paper having a low basis weight guarantees the tensile strength by the blending of pulp and a beating degree, the paper is soft and lack of stiffness.
  • the tipping base paper is inferior in rolling properties and quality of the rolled products when applying to the filter-equipped cigarette. Further, fire retardancy is also insufficient.
  • the present invention has been made in order to solve the above problems.
  • the present invention provides a tipping paper in which functional characteristics of the tipping paper, such as tensile strength, stiffness, opacity, and fire retardancy are satisfied and the low basis weight is achieved; and a filter-equipped cigarette comprising the tipping paper.
  • a tipping paper comprising pulp, and titanium oxide as a filler, wherein when x represents a basis weight (gsm) of the pulp and y represents a basis weight (gsm) of the titanium oxide, x and y satisfy the following formula: 31 ⁇ x + y ⁇ 35, where x and y are 27 ⁇ x ⁇ 31 and 4 ⁇ y ⁇ 8.
  • the tipping paper having a low basis weight comprises pulp, and titanium oxide as a filler.
  • x represents the basis weight (gsm) of the pulp and y represents the basis weight (gsm) of the titanium oxide
  • x and y satisfy the following formula: 31 ⁇ x + y ⁇ 35.
  • x and y are 27 ⁇ x ⁇ 31 and 4 ⁇ y ⁇ 8.
  • the tipping paper according to the embodiment comprises pulp and titanium oxide (filler), wherein the basis weight is 31 gsm or more and less than 35 gsm, and the basis weights of the pulp and the titanium oxide are 27 gsm or more and less than 31 gsm, and 4 gms or more and less than 8 gms, respectively.
  • Any pulps may be used as long as they are used for the normal tipping paper.
  • Examples thereof include wood pulp classified into an L material (hardtwood) and an N material (softwood); nonwood pulp, such as bagasse, flax, and hemp; mechanical pulp obtained by simply crushing wood; and chemical pulp taken out by chemical treatment.
  • the average particle diameter of titanium oxide is preferably from 0.3 to 0.5 ⁇ m.
  • the present inventors have found that the tipping paper having a low basis weight based on the following findings.
  • Table 1 Physical properties Unit Appropriate value General-purpose product Reduction in basis weight Basis weight gsm - 37.0 ⁇ 32.0 Tensile strength N/15 mm 26.0 ⁇ 31.6 22.3 Stretch % 1.4 ⁇ 1.4 1.5 Stiffness g/15 mm 2.0 ⁇ 3.3 1.9 Opacity % 80.0 ⁇ 80.9 77.7 Whiteness % 90.0 ⁇ 94.8 94.8
  • the composition of general-purpose tipping base paper was experimentally changed and a relationship between the tensile strength and stiffness was examined. The results are shown in FIG. 1 . From FIG. 1 , it was found that the minimum amount of pulp to be added to the tipping base paper was necessary to guarantee sufficient strength properties. The amount of pulp to guarantee the stiffness was 25 gsm or more. The amount of pulp to guarantee the tensile strength was 27 gsm or more. Therefore, it was found that the necessary amount of pulp was 27 gsm or more to satisfy strength properties. In other words, it was found that the lower limit of the basis weight was 27 gsm to maintain appropriate strength properties as the tipping base paper.
  • a predetermined amount of the filler is necessary to guarantee the opacity.
  • Calcium carbonate as a filler was gradually added to pulp in an amount of 27 gsm which was a premise to guarantee the above strength properties, and then the relationship between the basis weight and the opacity was examined. The results are shown in FIG. 2 .
  • the inventors further performed the same test except that the whole amount of the filler was replaced with titanium oxide in order to examine the possibility to design the low basis weight.
  • the results are written in FIG. 2 .
  • an appropriate value (80%) of the opacity could be achieved by 4 gsm of titanium oxide (TiO 2 ) namely, titanium oxide (TiO 2 ) having an amount much smaller than that of calcium carbonate, and tipping paper whose lower limit of basis weight was 31 gsm (titanium oxide: 13 wt%) could be obtained.
  • the lower limit amount of pulp was set to 27 gsm and the content of titanium oxide as a filler was set to at least 4 gsm in order to guarantee strength properties.
  • the relationship between the amount (gsm) of pulp shown in FIG. 3 and the volume of the filler (gsm) was drawn from the studied results.
  • the tipping paper having a low basis weight (31 gsm or more and less than 35 gsm) was achieved by containing the basis weight in the slash area, i.e. pulp and titanium oxide, in FIG.
  • x and y satisfy the following formula: 31 ⁇ x + y ⁇ 35, where x and y are 27 ⁇ x ⁇ 31 and 4 ⁇ y ⁇ 8.
  • the tipping paper having a low basis weight according to the embodiment satisfies physical properties shown in Table 1 above and an appropriate value of function.
  • tensile strength, stiffness, opacity, fire retardancy, and ink fixability are as follows:
  • the tipping paper having a low basis weight it is possible to improve the ink fixability when printing in a large area like cork by setting the sizing degree to 5 seconds or less.
  • calcium carbonate which is generally used as a filler, is structurally porous, and thus it is excellent in fixability of printing ink. Typographical problems such as the loss of ink are hardly caused.
  • the tipping paper according to the embodiment in which the whole amount of calcium carbonate is replaced with titanium oxide as a filler the ink fixability is relatively poor. Accordingly, when printing in a large area is performed at the time of producing cigarettes, ink is easily peeled off, thereby causing damages of products and the dirt of the machine.
  • the ink permeability to the tipping paper was improved by setting the sizing degree to 5 seconds or less so as to be lower than the normal sizing degree (about 20 seconds). As a result, it is possible to improve the ink fixability without changing the ink formula.
  • the value of the sizing agent can be calculated with the Hercules sizing tester to be described later.
  • the sizing degree includes zero.
  • TAPPI Provisional method T530-PM83 This is a widely known method (TAPPI Provisional method T530-PM83), which was treated as a transitional law by TAPPI: the organization dedicated to the pulp and paper industries in 1975.
  • a method of measuring with the device (Hercules Sizing Tester kc-294) was selected from many methods of measuring the sizing degree and the sizing degree was evaluated.
  • a slip of paper for evaluation which was cut from the tipping paper was placed on the bottom of a folder of the wall of a metal ring so as to be wedged into the folder.
  • the folder was placed in the device, and a dye containing naphthol green as a base compound was poured thereinto.
  • a measurement switch is started immediately after pouring the dye.
  • the penetration time specific to the slip of paper the back side of the paper turned green (color of the stain solution).
  • the time leading to a constant reflectance was recorded as the sizing degree (second). Note that the reflectance was set to 80%
  • the sizing degree can be lowered by keeping down the amount of a sizing agent to be added to the tipping paper.
  • a sizing agent examples include an emulsion rosin size, rosin soap size, alkenyl succinic acid soap, fatty acid sizing agent, alkyl ketene dimer, alkenyl succinic anhydride, rosin ester size, alkenyl ketene dimer, and styrene polymer size.
  • These sizing agents can be used alone or in a mixture form.
  • an alkyl ketene dimer is preferable.
  • the tipping paper having a low basis weight (e.g. 32 gsm) according to the embodiment as described above exerts the following effects.
  • the filter-equipped cigarette according to the embodiment comprises the above tipping paper having a low basis weight.
  • the filter-equipped cigarette has a structure in which a cigarette rod 1 is faced to a filter 2, and the whole outer periphery surface of the filter 2 and the peripheral surface portion of the cigarette rod 1 in the face vicinity are rolled with a tipping paper 3 to unite the cigarette rod 1 with the filter 2.
  • the cigarette rod 1 is formed by cylindrically rolling a cut tobacco 4 with a cigarette paper 5.
  • the filter 2 comprises, for example, a filter material (not shown) formed by bundling and folding an acetate fiber or a pulp nonwoven fabric; and a plug wrapping paper (molding paper) 6 for cylindrically rolling the filter material.
  • the tipping paper 3 comprises pulp, and titanium oxide as a filler, when x represents the basis weight (gsm) of the pulp and y represents the basis weight (gsm) of the titanium oxide, x and y satisfy the following formula: 31 ⁇ x + y ⁇ 35, where x and y are 27 ⁇ x ⁇ 31 and 4 ⁇ y ⁇ 8.
  • tipping paper having the composition shown in Table 2 below were prepared. Note that the sizing degrees of the tipping paper (Comparison 1, Tests 1 to 3) were adjusted to 21 seconds, 23 seconds, 23 seconds, and 23 seconds, respectively by adding an alkyl ketene dimer as a sizing agent. The tensile strength, stretch, stiffness, opacity, whiteness, and thickness of each tipping paper were measured by the following method. The results are shown in Table 2 below.
  • a constant-rate-of-extension type tensile testing machine (tensilon type tensile testing machine) was used. Both longitudinal ends of 15-mm width slip of paper cut from the tipping paper were fixed to movable grips of the measuring machine. The movable sites were moved. The maximum load immediately before a slip of paper was cut at a constant speed was electrically detected and recorded in a unit of Newton (based on JIS P8113).
  • a constant-rate-of-extension type tensile testing machine (tensilon type tensile testing machine) was used. Both longitudinal ends of 15-mm width slip of paper cut from the tipping paper were fixed to movable grips of the measuring machine. The movable sites were moved. The maximum stretch immediately before a slip of paper was cut at a constant speed was electrically detected and recorded in a unit of percentage (based on JIS P8113).
  • a loop stiffness tester manufactured by Toyo Seiki Seisaku-Sho, Ltd. was used. Both longitudinal ends of 15-mm width slip of paper cut from the tipping paper were fixed to movable sites of the measuring machine. Thereafter, the interval between both ends at the movable sites was narrowed to produce a paper loop formed of a slip of paper with a length of 62 mm. The maximum stress when a sensor was applied to the paper loop was read by signal and recorded in a unit of g. The movable amount of the sensor to be applied to the paper loop was applied to a slip of paper and then the amount was set to 2 mm.
  • Every slip of paper cut from the tipping paper was measured using a photovoltaic measuring instrument and the opacity was recorded in a unit of percentage.
  • Predetermined sheets of paper cut from the tipping paper were laminated not so as to cause the transmission of light from a light source and measured using a photovoltaic measuring instrument. The whiteness was recorded in a unit of percentage.
  • the tipping paper having a low basis weight (32 to 34 gsm) in Tests 1 to 3 of the present invention has functional characteristics not inferior to the tipping paper of Comparison 1, which is a general-purpose product having a basis weight of 37 gsm and containing calcium carbonate as a filler as well as high quality.
  • a friction block is configured to include a semicircular pillar-shaped friction block main body (size: 20 mm in length of the bottom portion ⁇ 20 mm in width, 45 mm in radius of curvature, 150 g in weight) and 200 g of cylindrical spindle (45 mm in diameter ⁇ 24 mm in height) attached onto the top curved surface of the friction block main body.
  • a white test paper for observing the loss of ink having the same size as the bottom portion was attached to the bottom portion of the friction block main body of the friction block.
  • a specimen subjected to printing (printed specimen) was fixed on a rectangular-shaped flat surface of a semicircular pillar-shaped stainless steel board with a curvature radius of 200 mm.
  • the friction block was placed and set on the printed specimen of the stainless steel board so that the white test paper was faced to the specimen.
  • the friction block was subjected to each 50 times back and forth rubbing on the printed specimen. Then, the test paper was observed and the degree of loss color was evaluated.
  • the tipping paper having a low basis weight (32 gsm) in Test 1 of the present invention has good ink fixability, even if the sizing degree is 23 seconds, while the tipping paper having a low basis weight (32 gsm) in Test 6 of the present invention whose sizing degree is set to 5 seconds exhibits good ink fixability at an equal level to that of the tipping paper (basis weight: 37 gsm) in Comparison 1 which is a general-purpose product with a sizing degree of 21 seconds.
  • Cigarettes were horizontally attached to an automatic smoking machine (BORGWALD RM20/CS). Each cigarette was ignited for smoking once, followed by burning spontaneously until the cigarette was burn out. The fully burned cigarettes were observed. The cigarette in which the tipping paper was burned and the charcoal was fallen and the cigarette in which the charcoal was not fallen and the tipping paper was burned were counted. The ratios thereof were calculated. Note that the case where burning was clearly stopped at a level in which the distal end of the tipping paper on the side of the cigarette rod was slightly burned was judged to have fire-retardancy and taken off the count. Table 5 Brand Tipping paper classification Percentage of fallen charcoal (%) Percentage of burned tipping paper (%) A Comparison 1 5 65 Test 1 0 0 Test 3 0 0 B Comparison 1 22 100 Test 1 5 25 Test 3 5 25
  • the filter-equipped cigarettes (brands A and B) using the tipping papers of Tests 1 and 3 are excellent in fire retardancy as compared to the filter-equipped cigarettes (brands A and B) using the tipping paper of Comparison 1.
  • the present invention can provide a tipping paper in which the productivity of a filter-equipped cigarette is improved, and the improvement in the environment and transportation cost due to the low weight and the reduction in cost of a base paper are achieved; and a filter-equipped cigarette comprising the tipping paper in which functional characteristics (tensile strength, stiffness, opacity, and fire retardancy) to be required for the tipping paper are maintained, and low weight and low cost of the cigarette are achieved.
  • functional characteristics tensile strength, stiffness, opacity, and fire retardancy

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Claims (4)

  1. Papier de manchette comprenant de la pâte à papier, et de l'oxyde de titane comme une charge, dans lequel lorsque x représente une masse de base (g/m2) de la pâte à papier et y représente une masse de base (g/m2) de l'oxyde de titane, x et y satisfont la formule suivante : 31 ≤ x + y < 35 ,
    Figure imgb0003
    où x et y sont 27 ≤ x < 31 et 4 ≤ y < 8.
  2. Papier de manchette selon la revendication 1, comprenant de plus un dimère d'alkylcétène comme un agent d'encollage.
  3. Papier de manchette selon la revendication 2, dans lequel le degré d'encollage est de 5 secondes ou inférieur.
  4. Cigarette équipée d'un filtre comprenant le papier de manchette selon la revendication 1.
EP10847940.3A 2010-03-19 2010-03-19 Papier de manchette à faible grammage, et cigarette comprenant filtre Active EP2549015B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2010/054880 WO2011114529A1 (fr) 2010-03-19 2010-03-19 Papier de manchette à faible grammage, et cigarette comprenant filtre

Publications (3)

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EP2549015A1 EP2549015A1 (fr) 2013-01-23
EP2549015A4 EP2549015A4 (fr) 2014-10-08
EP2549015B1 true EP2549015B1 (fr) 2015-09-23

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EP (1) EP2549015B1 (fr)
JP (1) JP5608729B2 (fr)
ES (1) ES2555402T3 (fr)
WO (1) WO2011114529A1 (fr)

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US11717023B2 (en) 2017-12-26 2023-08-08 Japan Tobacco Inc. Filtered smoking article

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CN109567271B (zh) * 2018-12-26 2021-02-02 湖南中烟工业有限责任公司 一种具有降低加热不燃烧卷烟烟气温度滤棒添加剂及其制备方法
CN109588770B (zh) * 2018-12-26 2021-02-02 湖南中烟工业有限责任公司 一种降温嘴棒及卷烟
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JPH09189494A (ja) 1996-01-08 1997-07-22 Mitsubishi Electric Corp 熱交換器
EP0870871A1 (fr) 1997-04-07 1998-10-14 Schweitzer-Mauduit International, Inc. Papiers d'enveloppe ayant une haute opacité
EP1093727A2 (fr) 1999-10-19 2001-04-25 Schweitzer-Mauduit International, Inc. Papier à cigarette à faible grammage
WO2005059249A1 (fr) 2003-12-10 2005-06-30 Basf Aktiengesellschaft Papier contenant une charge et sa methode de production
WO2007141197A1 (fr) 2006-06-09 2007-12-13 Basf Se Dispersions aqueuses de dimère alkyle cétène

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JPH08246396A (ja) 1995-03-08 1996-09-24 Mishima Seishi Kk チップ原紙、チップペーパー並びにこれを用いたたばこ
JPH09189494A (ja) 1996-01-08 1997-07-22 Mitsubishi Electric Corp 熱交換器
EP0870871A1 (fr) 1997-04-07 1998-10-14 Schweitzer-Mauduit International, Inc. Papiers d'enveloppe ayant une haute opacité
EP1093727A2 (fr) 1999-10-19 2001-04-25 Schweitzer-Mauduit International, Inc. Papier à cigarette à faible grammage
WO2005059249A1 (fr) 2003-12-10 2005-06-30 Basf Aktiengesellschaft Papier contenant une charge et sa methode de production
WO2007141197A1 (fr) 2006-06-09 2007-12-13 Basf Se Dispersions aqueuses de dimère alkyle cétène

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Publication number Priority date Publication date Assignee Title
US11717023B2 (en) 2017-12-26 2023-08-08 Japan Tobacco Inc. Filtered smoking article

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JPWO2011114529A1 (ja) 2013-06-27
JP5608729B2 (ja) 2014-10-15
EP2549015A1 (fr) 2013-01-23
WO2011114529A1 (fr) 2011-09-22
EP2549015A4 (fr) 2014-10-08
ES2555402T3 (es) 2015-12-30

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