EP2150141B1 - Druckverfahren für gemustertes einwickelpapier - Google Patents

Druckverfahren für gemustertes einwickelpapier Download PDF

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Publication number
EP2150141B1
EP2150141B1 EP08763009.1A EP08763009A EP2150141B1 EP 2150141 B1 EP2150141 B1 EP 2150141B1 EP 08763009 A EP08763009 A EP 08763009A EP 2150141 B1 EP2150141 B1 EP 2150141B1
Authority
EP
European Patent Office
Prior art keywords
starch
process according
water
base web
mixture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP08763009.1A
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English (en)
French (fr)
Other versions
EP2150141A2 (de
Inventor
Ping Li
Rajesh K. Garg
Randall E. Baren
Tony A. Phan
Timothy S. Sherwood
Donald E. Miser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philip Morris Products SA
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Philip Morris Products SA
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Publication date
Application filed by Philip Morris Products SA filed Critical Philip Morris Products SA
Priority to PL08763009T priority Critical patent/PL2150141T3/pl
Publication of EP2150141A2 publication Critical patent/EP2150141A2/de
Application granted granted Critical
Publication of EP2150141B1 publication Critical patent/EP2150141B1/de
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/006Patterns of chemical products used for a specific purpose, e.g. pesticides, perfumes, adhesive patterns; use of microencapsulated material; Printing on smoking articles
    • 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
    • A24D1/00Cigars; Cigarettes
    • A24D1/02Cigars; Cigarettes with special covers
    • 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
    • A24D1/00Cigars; Cigarettes
    • A24D1/02Cigars; Cigarettes with special covers
    • A24D1/025Cigars; Cigarettes with special covers the covers having material applied to defined areas, e.g. bands for reducing the ignition propensity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00Inking and printing with a printer's forme
    • B41M1/10Intaglio printing ; Gravure printing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00Printing processes to produce particular kinds of printed work, e.g. patterns
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H27/00Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/02Patterned paper

Definitions

  • This disclosure relates generally to a process for making cigarette wrapper paper having an applied pattern of add-on material. More particularly, the disclosure concerns a process for making cigarette wrapper paper with a specially formulated oxidized starch material. From US 2007/0102017 is a prior art process for making patterned wrapper paper known, the process including preparing a printing solution including at least water and an oxidized starch.
  • a wrapper paper for cigarettes may be fashioned with a pattern of add-on material to reduce the ignition propensity characteristics of a smoking article fashioned using the wrapper. Reduced ignition propensity characteristics reflect a lowered capability of a smoking article to cause a substrate to ignite when a smoldering smoking article is left inadvertently unattended on a substrate.
  • a predetermined pattern of add-on material containing an aqueous starch solution may be applied to a base web of wrapper paper.
  • the predetermined pattern may comprise a plurality of transverse bands, a plurality of longitudinal bands, a two-dimensional array of treated regions, or any other suitable pattern.
  • the predetermined pattern may be applied using a printing technique, such as, for example, gravure printing, offset printing, inkjet printing, spraying, die printing, or the like. Most preferably, gravure printing may be used.
  • the pattern is preferably applied with a printing solution containing an oxidized starch as set out in claim 1.
  • Desired printing characteristics are attained using an aqueous starch solution having a room temperature viscosity no greater than about 50mPa ⁇ s (centipoise, cP), and prepared from particles having a size in the range of about 4 microns to about 40 microns when dry, and about 90% of the particles having a size in the range of about 10 microns to about 100 microns when wet.
  • the starch solution is slightly acidic with a pH in the range of about 6 to about 6.5.
  • Starch employed for the printing solution preferably may be mixed with water to form a printing solution having a starch concentration of about 20% to about 24% (by weight).
  • Another characteristic of the printing solution is a relatively high surface tension, for example, on the order of 6.5.10 -2 Nm -1 (65 dynes/centimeter) or more.
  • the printing solution may be applied to the base web in two or more layers. Those layers may be vertically registered with one another, offset from one another, have portions spaced from one another, and the like. Furthermore, a conventional filler material, such as calcium carbonate, may be included in one or more of the layers, as may be desired.
  • a predetermined pattern of add-on material may be applied to a base web of a wrapper paper to obtain improved Ignition Propensity ("IP”) characteristics and also to obtain improved Self-Extinguishment ("SE") characteristics.
  • Ignition Propensity is a standard test conducted as set forth in ASTM E 2187--04, "Standard Test Method for Measuring the Ignition Strength of Smoking articles”. Ignition propensity measures the probability that a smoking article, when placed on a substrate, will generate sufficient heat to maintain static burning of the tobacco rod. Low values for IP are desirable as such values correlate with a reduced likelihood that a smoldering smoking article will cause combustion in an underlying substrate.
  • the predetermined pattern of add-on material is typically applied to a base web having a permeability lying in the range of about 20 to about 80 CORESTA units.
  • the add-on material When dry, the add-on material often forms a film on the base web that is effective to locally reduce permeability to values lying in the range of 0 to about 10 CORESTA units.
  • the add-on material is applied as an aqueous solution including starch.
  • starch parameters for use in applying films to wrapper paper.
  • high molecular weight starch may give rise to effective permeability reduction
  • high molecular weight starches must be used in low concentrations, resulting in a solution having a very high water content.
  • high-water-content films are much more difficult to effectively dry on porous wrapper paper.
  • surface tension of the starch solution affects the retention of small bubbles of air -- low surface tension allows smaller bubbles to remain in the solution, whereas high surface tension causes bubbles to agglomerate and separate out of the solution giving a more uniform and consistent material for application to the wrapper paper.
  • the preferred pH range of the oxidized starch is believed to reflect a lower degree - or less complete -- oxidation of the starch polymer chains giving more, longer polymer chains than the more acidic (i.e., lower pH) starches.
  • aqueous solution including oxidized starch include a pH in the range of about 6 to about 6.5; a surface tension of at least about 6.5.10 -2 Nm -1 (65 dynes/centimeter); a room temperature viscosity of no greater than about 50 mPa ⁇ s; and a particle size distribution in the range of about 4 microns to about 40 microns for dry particles, with about 90% also being in the range of about 10 microns to about 100 microns when wet.
  • the particles preferably have a molecular weight such that the solution can have starch concentrations in the range of about 20% to about 24%.
  • the starch comprises an oxidized tapioca starch.
  • the aqueous starch solutions used for application to the base web or wrapper paper are typically prepared by making a starch/water mixture by first mixing the desired weight of dry starch powder with the desired weight of room temperature water (i.e ., at about 15°C to about 25°C) to obtain a starch/water mixture having the preselected concentration.
  • room temperature water i.e ., at about 15°C to about 25°C
  • 20 parts by weight of starch are mixed with 80 parts by weight of water.
  • the starch/water solution is then heated to an elevated sub-boiling temperature in the range of about 90°C to about 95°C - i.e., below the boiling temperature.
  • the starch/water solution is held at the elevated temperature for about 20 to about 30 minutes for thermal soaking. Then, the starch/water solution is cooled to room temperature. That cooling step can occur by passively, such as by naturally occurring heat transfer processes; or the cooling step can be active (or forced) such as by immersion in a cooling bath or by use of a conventional mechanical cooling system. Throughout the mixing step, the heating step, the thermal soaking step, and the cooling step, the starch/water mixture is stirred. The stirring can be continuous or substantially continuous. If additional constituents, such as calcium carbonate, are to be incorporated into the starch/water solution, those constituents should be added after the starch/water solution returns to room temperature following the thermal soaking step.
  • additional constituents such as calcium carbonate
  • Aqueous starch solutions having the characteristics specified above and prepared in the manner described above can be applied to a base web using any of a multitude of printing techniques including, by way of example and without limitation, the group consisting of gravure printing, offset printing, inkjet printing, spraying, and die printing. Other printing processes may also be suitable and are intended to lie within the teachings of this specification. Preferably, however, gravure printing may be used to apply the starch solution to a base web to obtain a patterned wrapper paper.
  • a base web of wrapper paper 10 may be fed from a bobbin 12 into a gravure printing system 14 where a predetermined pattern of starch solution prepared in accord with the foregoing specification is applied to the base web 10.
  • the base web 10, with the newly applied predetermined pattern is collected on a collection bobbin 16.
  • the bobbin 16 of patterned wrapper paper may be used to fashion tobacco rods for use in making smoking articles, such as cigarettes.
  • the gravure printing system 14 may include one, two, three, or more printer operations 14a, 14b, 14c. As these operations are essentially the same, it will suffice to describe details of one with the understanding that the others have corresponding details.
  • the starch solution described above may be furnished to a reservoir 20 from which it is pumped or otherwise supplied to a gravure roll 22 having a patterned surface. That roll 22 rotates in a bath of the starch solution. As the gravure roll 22 rotates, the starch solution is wiped from the roll surface by a doctor blade assembly 23 so that, as the gravure roll 22 contacts the base web 10 at the nip between the gravure roll 22 and the resiliently faced backing roll 24, the starch solution transfers to the base web with the pattern on the surface of the gravure roll 22.
  • the base web 10 may advance to one or more other print operations 14b, 14c where one or more additional layers of starch material in the same or different predetermined patterns may be applied to the base web 10.
  • the starch material in other print operations may include other constituents, for example, calcium carbonate.
  • the starch solution having calcium carbonate could be applied in the first printing operation 14a, while the starch solution without calcium carbonate may be applied in the second or successive printing operation 14b, 14c.
  • the base web 10 typically has a transverse or cross-web direction (shown by the arrow 30) as well as a longitudinal direction (shown by the arrow 32).
  • the predetermined pattern of add-on material may comprise a plurality of transversely oriented, generally parallel, regions or bands 34. These bands may be uniformly spaced along the length of the base web 10, or may be arranged at recurrent spacing patterns related to tobacco rod length and finished cigarette fabrication.
  • the base web 10 may include a predetermined pattern such as one or more longitudinally extending regions or stripes 36 (see FIG. 3 ) of add-on material.
  • the predetermined pattern may also comprise a two-dimensional array of regions 38 (see FIG. 4 ) of add-on material spaced along and/or transversely of the base web 10.
  • the add-on material can be applied in two or more layers 40, 42 (see FIG. 5 ).
  • the layers can be fully registered and co-extensive with one another if so desired.
  • the upper layer 42 may be split or slit into two portions 42a, 42b, each of which is superposed on the first or lower layer 40 such that a space exists between the two portions 42a, 42b. That space may extend either longitudinally or transversely on the base web 10.
  • the upper layer 42 may be superposed on the lower layer 40, but not co-extensive therewith.
  • a smoking article (see FIG. 6 ) comprises a tobacco rod 205 and a filter 207, which are attached to one another with a tipping paper 209.
  • the tobacco rod 205 includes a wrapper 210 that is constructed in accordance with the teachings herein.

Claims (16)

  1. Verfahren für das Herstellen von gemustertem Hüllpapier, folgende Schritte umfassend:
    Vorbereiten einer Drucklösung, die mindestens Wasser und eine oxidierte Stärke beinhaltet, Folgendes aufweisend:
    Viskosität bei Raumtemperatur von höchstens 50 Zentipoise (50 mPa s);
    Partikel im Bereich von etwa 4 bis etwa 40 Mikron im trockenen Zustand und etwa 90 % im Bereich von etwa 10 Mikron bis etwa 100 Mikron im nassen Zustand; und
    einen pH-Wert im Bereich von etwa 6 bis etwa 6,5,
    wobei die Stärke ferner in der Lage ist, eine Drucklösung mit etwa 20 bis etwa 24 Gewichtsprozent oxidiertem Stärkegehalt auszubilden und die Drucklösung eine Oberflächenspannung von mindestens etwa 65 Dyn pro Zentimeter (6.5.10-2Nm-1) aufweist; und
    Bereitstellen einer Grundbahn des Hüllpapiers;
    Auftragen der Drucklösung auf das Hüllpapier in einem vorher festgelegten Muster.
  2. Verfahren nach Anspruch 1, wobei die Grundbahn eine Querrichtung hat und wobei das vorher festgelegte Muster eine Vielzahl von Bändern umfasst, die sich im Allgemeinen quer auf der Grundbahn erstrecken.
  3. Verfahren nach Anspruch 2, wobei die Vielzahl von Bändern entlang der Grundbahn regelmäßig voneinander beabstandet sind.
  4. Verfahren nach Anspruch 1, 2 oder 3, wobei die Grundbahn eine Längsrichtung hat und wobei das vorher festgelegte Muster mindestens einen sich längs erstreckenden Streifen beinhaltet.
  5. Verfahren nach einem der vorstehenden Ansprüche, wobei die Grundbahn eine Querrichtung und eine Längsrichtung hat und wobei das vorher festgelegte Muster eine Vielzahl von Regionen beinhaltet, die auf der Grundbahn quer und längs beabstandet sind.
  6. Verfahren nach einem der vorstehenden Ansprüche, wobei die Drucklösung in ein oder zwei Schichten auf die Grundbahn aufgetragen wird.
  7. Verfahren nach einem der vorstehenden Ansprüche, wobei die Drucklösung ferner Kalziumkarbonat beinhaltet.
  8. Verfahren nach einem der vorstehenden Ansprüche, wobei der Schritt des Vorbereitens einer Drucklösung Folgendes umfasst:
    Mischen einer vorher festgelegten Menge trockener Stärke mit einer vorher festgelegten Menge von Wasser mit Raumtemperatur; Erwärmen des Gemischs aus Stärke und Wasser auf eine Temperatur unter dem Siedepunkt;
    Halten des Gemischs aus Stärke und Wasser auf der Temperatur unter dem Siedepunkt für einen Zeitraum im Bereich von etwa 20 bis etwa 30 Minuten;
    Ermöglichen, dass das Gemisch aus Stärke und Wasser auf Raumtemperatur zur Raumtemperatur zurückzukehren kann; und Rühren des Gemischs aus Stärke und Wasser mindestens im Wesentlichen kontinuierlich während des Schritts des Vorbereitens.
  9. Verfahren nach Anspruch 8, wobei die Temperatur unter dem Siedepunkt eine Temperatur im Bereich von etwa 90 °C bis etwa 95 °C ist.
  10. Verfahren nach Anspruch 8 oder 9, wobei der Schritt des Ermöglichens des Gemischs aus Stärke und Wasser, zur Raumtemperatur zurückzukehren, den Schritt aktiver Kühlung beinhaltet.
  11. Verfahren nach Anspruch 8 oder 9, wobei der Schritt des Ermöglichens des Gemischs aus Stärke und Wasser, zur Raumtemperatur zurückzukehren, den Schritt passiver Kühlung beinhaltet.
  12. Verfahren nach Anspruch 8, 9, 10 oder 11, ferner beinhaltend den Schritt des Hinzufügens mindestens eines zusätzlichen Bestandteils zum Gemisch aus Stärke und Wasser, nachdem das Gemisch zur Raumtemperatur zurückgekehrt ist.
  13. Verfahren nach Anspruch 12, wobei der zusätzliche Bestandteil Kalziumkarbonat ist.
  14. Verfahren nach einem der vorstehenden Ansprüche, wobei die Stärke eine oxidierte Tapiokastärke umfasst.
  15. Verfahren für das Herstellen eines Tabakstrangs für einen Rauchartikel, umfassend gemustertes Hüllpapier, folgende Schritte umfassend:
    Herstellen eines gemusterten Hüllpapiers durch ein Verfahren gemäß einem der vorstehenden Ansprüche; und
    Verwenden der patentierten Hülle, um einen Tabakstrang herzustellen.
  16. Verfahren für das Herstellen eines Rauchartikels, umfassend das Herstellen eines Tabakstrangs durch ein Verfahren nach Anspruch 15 und Anbringen des Tabakstrangs an einem Filter in einem Belagpapier.
EP08763009.1A 2007-05-25 2008-05-22 Druckverfahren für gemustertes einwickelpapier Active EP2150141B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08763009T PL2150141T3 (pl) 2007-05-25 2008-05-22 Sposób drukowania wzorzystego papieru owijki

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US92467607P 2007-05-25 2007-05-25
PCT/IB2008/001839 WO2008146158A2 (en) 2007-05-25 2008-05-22 Printing process for patterned wrapper paper

Publications (2)

Publication Number Publication Date
EP2150141A2 EP2150141A2 (de) 2010-02-10
EP2150141B1 true EP2150141B1 (de) 2018-07-04

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Application Number Title Priority Date Filing Date
EP08763009.1A Active EP2150141B1 (de) 2007-05-25 2008-05-22 Druckverfahren für gemustertes einwickelpapier

Country Status (18)

Country Link
EP (1) EP2150141B1 (de)
JP (1) JP5447863B2 (de)
KR (1) KR101590193B1 (de)
CN (1) CN101677629B (de)
AU (1) AU2008256334B2 (de)
BR (1) BRPI0812101B1 (de)
CA (1) CA2687485C (de)
ES (1) ES2683147T3 (de)
IL (1) IL201643A (de)
MX (1) MX2009012617A (de)
MY (1) MY150904A (de)
NZ (1) NZ580659A (de)
PL (1) PL2150141T3 (de)
RU (1) RU2458608C2 (de)
TW (1) TWI475144B (de)
UA (1) UA96490C2 (de)
WO (1) WO2008146158A2 (de)
ZA (1) ZA200907286B (de)

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Publication number Priority date Publication date Assignee Title
DE102009019600A1 (de) 2009-04-30 2010-11-11 Delfortgroup Ag Anlage und Verfahren zum Bearbeiten einer Papierbahn, insbesondere einer Zigarettenpapierbahn
US20110108042A1 (en) * 2009-11-10 2011-05-12 Philip Morris Usa Inc. Registered banded cigarette paper, cigarettes, and method of manufacture
FR2963210B1 (fr) 2010-07-29 2012-08-17 Republic Technologies Na Llc Cahiers de papier a cigarettes comprenant un marquage perfectionne
US10905154B2 (en) 2011-05-16 2021-02-02 Altria Client Services Llc Alternating patterns in cigarette wrapper, smoking article and method
GB201217893D0 (en) * 2012-10-05 2012-11-21 British American Tobacco Co A smoking article
KR20170002574U (ko) 2016-01-07 2017-07-17 삼성금박카드라인(주) 다기능 복합 담배갑 제조장치

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US5888348A (en) * 1996-11-14 1999-03-30 Schweitzer-Mauduit International, Inc. Method for controlling the permeability of a paper
US5730840A (en) * 1996-11-14 1998-03-24 Schwietzer-Mauduit Inernational, Inc. Cigarette paper with improved ash characteristics
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JPH11335606A (ja) * 1998-05-25 1999-12-07 Toyo Ink Mfg Co Ltd 紙巻きタバコマーキング用インクジェットインキ、それを用いたマーキング方法、ならびにマーキングした紙巻きタバコ
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Also Published As

Publication number Publication date
KR20100020980A (ko) 2010-02-23
NZ580659A (en) 2012-10-26
JP5447863B2 (ja) 2014-03-19
EP2150141A2 (de) 2010-02-10
WO2008146158A3 (en) 2009-02-19
BRPI0812101A2 (pt) 2014-11-25
CN101677629B (zh) 2012-10-17
IL201643A0 (en) 2010-05-31
CN101677629A (zh) 2010-03-24
MX2009012617A (es) 2009-12-11
TW200905037A (en) 2009-02-01
PL2150141T3 (pl) 2018-12-31
WO2008146158A8 (en) 2009-05-07
AU2008256334B2 (en) 2013-05-23
UA96490C2 (ru) 2011-11-10
MY150904A (en) 2014-03-14
ZA200907286B (en) 2010-07-28
KR101590193B1 (ko) 2016-01-29
WO2008146158A2 (en) 2008-12-04
AU2008256334A1 (en) 2008-12-04
ES2683147T3 (es) 2018-09-25
IL201643A (en) 2013-07-31
JP2010528598A (ja) 2010-08-26
CA2687485A1 (en) 2008-12-04
BRPI0812101B1 (pt) 2019-04-09
TWI475144B (zh) 2015-03-01
CA2687485C (en) 2015-06-30
RU2009148274A (ru) 2011-06-27
RU2458608C2 (ru) 2012-08-20

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