US20090159090A1 - Smoking article with improved extinguishing characteristcs - Google Patents

Smoking article with improved extinguishing characteristcs Download PDF

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Publication number
US20090159090A1
US20090159090A1 US12/340,322 US34032208A US2009159090A1 US 20090159090 A1 US20090159090 A1 US 20090159090A1 US 34032208 A US34032208 A US 34032208A US 2009159090 A1 US2009159090 A1 US 2009159090A1
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US
United States
Prior art keywords
wrapper
smoking article
inorganic salt
manufacturing
applying
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.)
Abandoned
Application number
US12/340,322
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English (en)
Inventor
Thomas Pienemann
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.)
Reemtsma Cigarettenfabriken GmbH
Original Assignee
Reemtsma Cigarettenfabriken GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Reemtsma Cigarettenfabriken GmbH filed Critical Reemtsma Cigarettenfabriken GmbH
Assigned to REEMTSMA CIGARETTENFABRIKEN GMBH reassignment REEMTSMA CIGARETTENFABRIKEN GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PIENEMANN, THOMAS
Publication of US20090159090A1 publication Critical patent/US20090159090A1/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/005—Treatment of cigarette paper
    • 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
    • A24D1/022—Papers for roll-your-own cigarettes
    • 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
    • A24D1/025—Cigars; Cigarettes with special covers the covers having material applied to defined areas, e.g. bands for reducing the ignition propensity
    • 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
    • D21H17/66—Salts, e.g. alums
    • 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
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/64—Inorganic compounds
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper

Definitions

  • the invention relates to a smoking article with improved extinguishing characteristics (reduced or lower ignition propensity or ignition proclivity) and to a method of manufacturing such a smoking article.
  • the ignition propensity of cigarettes can be measured by a standardized test method. Usually, the test defined in ASTM E 2187-04 is performed (ASTM: “American Standard for Testing and Materials”; ASTM E 2187: “Standard Test Method for Measuring the Ignition Strength of Cigarettes”; the extension “-04” refers to 2004 as the year of the last revision). According to ASTM E 2187-04, a sample of 40 cigarettes is tested under well-defined conditions, and the fraction of these cigarettes which burn their full length is called “the test result”. A safety standard specifies which test result is acceptable. For example, in Canada and some U.S. states, the acceptable test result is 25%, i.e., at least 75% of the cigarettes have to extinguish before burning their full length in order to comply with the safety standard.
  • a general disadvantage of using low-porosity bands on wrapper papers is a reduced rod ventilation caused by the reduced porosity in these bands, resulting in changes of CO/NFDPM ratios to often undesired levels (CO: carbon monoxide, NFDPM: nicotine-free dry particulate matter).
  • inorganic salts as burn retardants is commonly known, including some applications for tobacco products. Inorganic salts as such, however, have not been used for reducing ignition propensity, which is probably based on the assumption that a certain oxygen deficit is necessary to make cigarettes self-extinguish in the ASTM test cited above and that this can only be achieved by reducing the wrapper porosity to a level lower than 10 CU to 15 CU (CU: Coresta unit, permeability as measured in the tobacco industry, see CORESTA Recommend Method No. 40).
  • CU Coresta unit, permeability as measured in the tobacco industry, see CORESTA Recommend Method No. 40.
  • ammonium phosphate is used as a burn retardant, but only in combination with additional substances, as e.g., alginates, which provide for a low porosity.
  • the object of the invention is to provide a smoking article with reduced ignition propensity, which does not exhibit the disadvantage of a significantly reduced rod ventilation.
  • a smoking article includes a tobacco rod and a wrapper.
  • the wrapper includes at least one zone treated with an inorganic salt providing reduced ignition propensity.
  • Another aspect of the present invention concerns a method of manufacturing a smoking article that includes a tobacco rod and a wrapper, where the wrapper includes at least one zone treated with an inorganic salt providing reduced ignition propensity.
  • the method includes the step of applying the inorganic salt to the wrapper by a solution or a suspension.
  • a paper is provided that is formed as a wrapper for rolling a cigarette that includes a tobacco rod, wherein the wrapper is configured to radially surround the rod.
  • the paper includes at least one zone treated with an inorganic salt providing reduced ignition propensity.
  • the paper may be formed as a tube and may include a filter.
  • FIG. 1 is a perspective view of a smoking article constructed in accordance with the principles of one embodiment of the present invention, particularly depicting a wrapper with a treated zone;
  • FIG. 2 is a perspective view of a smoking article constructed in accordance with the principles of another embodiment of the present invention, particularly depicting a wrapper with multiple treated zones;
  • FIG. 3 is a perspective view of the smoking article of FIG. 2 , depicting the smoking article in an ignited condition.
  • a smoking article 10 comprises a tobacco rod 12 and a wrapper 14 .
  • the wrapper 14 includes at least one zone 16 treated with an inorganic salt providing reduced ignition propensity. This zone 16 can comprise the total wrapper 14 .
  • the wrapper 14 includes at least one discrete zone 18 treated with the inorganic salt, wherein the total surface area of the discrete zones 18 is smaller than the total surface area of the wrapper 14 , i.e., in addition to any areas of the wrapper 14 being covered by, e.g., a tipping paper of a filter 20 , there are exposed areas 22 of the wrapper 14 which are not treated with the inorganic salt.
  • inorganic salts is able to reduce the ignition propensity of the smoking article 10 without reducing the porosity of the wrapper 14 to levels as commonly required for this purpose.
  • the invention does not rely on the main effect of a reduced porosity in the zones 18 treated with the inorganic salt.
  • the porosity of the wrapper 14 in the treated zones 18 is larger than 10 CU, preferably larger than 12 CU, or larger than 15 CU. Porosities in this range permit access of sufficient oxygen to the tobacco rod 12 in order to minimize carbon monoxide formation and provide for sufficient diffusion.
  • the inorganic salt can comprise, e.g., magnesium chloride, aluminum sulfate, alum, sodium tetraborate, hydrated magnesium chloride, hydrated aluminum sulfate, hydrated alum, hydrated sodium tetraborate, sodium chloride, or mixtures thereof.
  • the specific amount of the organic salt can be in the range of from 0.2 mg/cm 2 to 20 mg/cm 2 , or in the range of from 0.5 mg/cm 2 to 5 mg/cm 2 .
  • any interval limits in the range of from 0.2 mg/cm 2 to 20 mg/cm 2 are explicitly disclosed herewith.
  • Such inorganic salts are less expensive than porosity-reducing agents like alginates.
  • the wrapper 14 comprises at least two such bands 24 which are separated by at least 1 mm, or at least 5 mm, and preferably by at least 10 mm.
  • the smoking article 10 comprises a filter 20 , and the smoking article 10 can be designed as a cigarette, wherein the wrapper 14 is a cigarette paper (which includes the possibility of manufacturing the wrapper from reconstituted tobacco).
  • a paper for rolling cigarettes (RYO cigarettes; RYO: “Roll Your Own”)
  • a paper tube preferably a paper tube including a filter at one of its ends
  • MYO cigarettes MYO: “Make Your Own”
  • the rolling paper and the paper tube comprise, with respect to reduced ignition propensity, the features of the wrapper of a smoking article explained so far.
  • a smoking article 10 according to the invention there are several ways of manufacturing a smoking article 10 according to the invention, in particular of applying the inorganic salts to the wrapper 14 . These methods can be applied to a paper for rolling cigarettes or to a paper tube for making cigarettes in an analogue way.
  • the inorganic salt is applied to the wrapper 14 by means of a solution or suspension.
  • a solution or suspension can be heated.
  • the solvent or the suspension agent comprises water.
  • the inorganic salt can be applied to the wrapper 14 by, e.g., printing techniques like gravure printing or inkjet printing, but also techniques like spraying or sizing. Printing techniques are very precise and can even be used online, e.g., in a cigarette making process after wrapping a continuous tobacco rod 12 with the wrapper material.
  • the inorganic salt can be applied to the wrapper 14 by sizing in a papermaking process for providing the material of the wrapper 14.
  • sizing is applied to the overall surface of the paper produced in a papermaking process, it is also possible to size zones of the paper only.
  • the inorganic salt is applied to the wrapper 14 immediately after a papermaking process during the cutting step of a mother reel into bobbins containing wrapper material, as usually performed in the cigarette paper industry in order to provide wrapper material suitable for use in a cigarette making machine.
  • the inorganic salt can be applied to the wrapper material during a rewinding step of such bobbin. This step is performed offline, i.e., not during the usual operating steps of a cigarette making machine.
  • inorganic salt to the wrapper 14 during a cigarette making process, i.e., online, either before wrapping a continuous tobacco rod 12 with the wrapper material or after wrapping a continuous tobacco rod with the wrapper material.
  • gravure printing and inkjet printing which apply a solution or suspension of the inorganic salt as “ink”, are particularly suitable.
  • cigarette papers were homogeneously treated with inorganic salts, and the porosity of the respective cigarette paper was measured before the treatment and after the treatment.
  • the porosity measurements were performed according to CORESTA Recommended Method No. 40.
  • 1 CU (“CORESTA unit”) is the air flow (in cm 3 /min) through an area of the cigarette paper of 1 cm 2 when the pressure difference across the cigarette paper is 1 kPa.
  • the following table shows the initial porosity (“base porosity”) of the cigarette paper, the salt and its amount applied as well as the porosity after the salt treatment (“remaining porosity”).
  • a commercial cigarette comprising a cigarette paper with a base porosity of 35 CU was homogeneously treated with an aqueous solution of sodium chloride until a weight of 4.0 mg sodium chloride per cm 2 was achieved.
  • the outer side (“felt side”) of a commercial cigarette paper (base porosity 35 CU) was sprayed with an aqueous solution of magnesium chloride to form treated discrete zones in band form of 6 mm width with a distance (gap width) of 20 mm on the paper.
  • the concentration of the solution and the amount of spraying were adjusted so that a weight of 1.2 mg magnesium chloride per cm 2 was achieved.
  • the inner side (“wire side”) or both sides of the cigarette paper could be sprayed with the solution.
  • a warm (50° C.), saturated solution of aluminum sulfate was applied to the cigarette paper (porosity 50 CU) of a conventional cigarette during the cigarette making process using a gravure printing device.
  • the gravure depth was adjusted so that a weight of 3 mg aluminum sulfate per cm 2 was achieved in the printed areas.
  • the salt was applied in band-shaped discrete zones having a width of 6 mm each and a respective distance (width of untreated zones) of 20 mm.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Fire-Extinguishing Compositions (AREA)
  • Paper (AREA)
US12/340,322 2007-12-20 2008-12-19 Smoking article with improved extinguishing characteristcs Abandoned US20090159090A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07400034.0 2007-12-20
EP07400034A EP2071965B1 (fr) 2007-12-20 2007-12-20 Article à fumer avec des caractéristiques d'extinction améliorées

Publications (1)

Publication Number Publication Date
US20090159090A1 true US20090159090A1 (en) 2009-06-25

Family

ID=39422005

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/340,322 Abandoned US20090159090A1 (en) 2007-12-20 2008-12-19 Smoking article with improved extinguishing characteristcs

Country Status (10)

Country Link
US (1) US20090159090A1 (fr)
EP (2) EP2071965B1 (fr)
AT (1) ATE488147T1 (fr)
AU (1) AU2008340831B2 (fr)
CA (1) CA2709427A1 (fr)
DE (1) DE602007010653D1 (fr)
ES (1) ES2353581T3 (fr)
PL (1) PL2071965T3 (fr)
PT (1) PT2071965E (fr)
WO (1) WO2009080136A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9149068B2 (en) 2012-10-11 2015-10-06 Schweitzer-Mauduit International, Inc. Wrapper having reduced ignition proclivity characteristics
US10292419B1 (en) * 2014-04-11 2019-05-21 Enrique Fernando Sanchez Icaza Cigar lock and rolling method

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PH12014000291B1 (en) 2013-10-31 2016-05-02 Glatz Julius Gmbh Tobacco product wrapping material with controlled burning properties
ES2683321T3 (es) 2014-01-24 2018-09-26 Reemtsma Cigarettenfabriken Gmbh Cigarrillo con filtro
NL2022211B1 (en) 2018-12-14 2020-07-03 B V Deli Htl Tabak Mij A hollow rod made from a homogenized tobacco material.
GB202115008D0 (en) * 2021-10-20 2021-12-01 Nicoventures Trading Ltd Article with combustion retarding properties and uses thereof

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2775970A (en) * 1954-06-08 1957-01-01 American Tobacco Co Cigarette paper
US4183362A (en) * 1974-08-29 1980-01-15 Liggett Group Inc. Decreasing the burn rate of smoking tobaccos
US4453553A (en) * 1983-01-24 1984-06-12 Cohn Charles C Treatment of cigarette paper
US4784164A (en) * 1986-01-07 1988-11-15 Gallaher Limited Smoking rod wrappers and compositions for their production
US4964427A (en) * 1987-09-03 1990-10-23 British-American Tobacco Company, Ltd. Smoking articles
US5048546A (en) * 1989-12-15 1991-09-17 Hsu Chi Hsueh Filter and method of treating tobacco smoke to reduce materials harmful to health
US6783847B1 (en) * 1999-08-19 2004-08-31 Nippon Paper Industries Co., Ltd. Offset printing paper
US6837248B2 (en) * 2001-02-26 2005-01-04 Lorillard Licensing Company, Llc Reduced ignition propensity smoking article
US20060021625A1 (en) * 2004-07-30 2006-02-02 Philip Morris Usa Inc. Make-your-own smoking article with controlled burn rate
US20090120450A1 (en) * 2007-07-03 2009-05-14 Schweitzer-Mauduit International, Inc. Smoking Articles Having Reduced Ignition Proclivity Characteristics

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4917922A (en) * 1987-10-28 1990-04-17 Weyerhaeuser Company Flame retardant plant
JP2668378B2 (ja) * 1988-03-18 1997-10-27 孝一 西本 難燃化植物繊維成形物の製造方法
SE9501765D0 (sv) * 1995-05-12 1995-05-12 Eka Nobel Ab Sizing dispersions
MY125712A (en) * 1997-07-31 2006-08-30 Hercules Inc Composition and method for improved ink jet printing performance
CA2277131A1 (fr) * 1998-08-14 2000-02-14 Schweitzer-Mauduit International, Inc. Procede pour augmenter la resistance humide des enveloppes de tampon poreux a utiliser dans les articles de fumeur
KR20040027557A (ko) * 2004-02-09 2004-04-01 전창호 담배제가 떨어지지 않는 담배종이 첨가제의 조성물
UA90299C2 (uk) * 2005-03-15 2010-04-26 Джапан Тобакко Инк. Сигаретний папір з низьким поширенням полум'я

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2775970A (en) * 1954-06-08 1957-01-01 American Tobacco Co Cigarette paper
US4183362A (en) * 1974-08-29 1980-01-15 Liggett Group Inc. Decreasing the burn rate of smoking tobaccos
US4453553A (en) * 1983-01-24 1984-06-12 Cohn Charles C Treatment of cigarette paper
US4784164A (en) * 1986-01-07 1988-11-15 Gallaher Limited Smoking rod wrappers and compositions for their production
US4964427A (en) * 1987-09-03 1990-10-23 British-American Tobacco Company, Ltd. Smoking articles
US5048546A (en) * 1989-12-15 1991-09-17 Hsu Chi Hsueh Filter and method of treating tobacco smoke to reduce materials harmful to health
US6783847B1 (en) * 1999-08-19 2004-08-31 Nippon Paper Industries Co., Ltd. Offset printing paper
US6837248B2 (en) * 2001-02-26 2005-01-04 Lorillard Licensing Company, Llc Reduced ignition propensity smoking article
US20060021625A1 (en) * 2004-07-30 2006-02-02 Philip Morris Usa Inc. Make-your-own smoking article with controlled burn rate
US20090120450A1 (en) * 2007-07-03 2009-05-14 Schweitzer-Mauduit International, Inc. Smoking Articles Having Reduced Ignition Proclivity Characteristics

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9149068B2 (en) 2012-10-11 2015-10-06 Schweitzer-Mauduit International, Inc. Wrapper having reduced ignition proclivity characteristics
US9247769B2 (en) 2012-10-11 2016-02-02 Schweitzer-Mauduit International, Inc. Wrapper having reduced ignition proclivity characteristics
US10292419B1 (en) * 2014-04-11 2019-05-21 Enrique Fernando Sanchez Icaza Cigar lock and rolling method

Also Published As

Publication number Publication date
PL2071965T3 (pl) 2011-04-29
DE602007010653D1 (de) 2010-12-30
EP2071965B1 (fr) 2010-11-17
AU2008340831A1 (en) 2009-07-02
ATE488147T1 (de) 2010-12-15
AU2008340831B2 (en) 2013-05-16
EP2227101A1 (fr) 2010-09-15
WO2009080136A1 (fr) 2009-07-02
CA2709427A1 (fr) 2009-07-02
PT2071965E (pt) 2011-02-03
ES2353581T3 (es) 2011-03-03
EP2071965A1 (fr) 2009-06-24

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Legal Events

Date Code Title Description
AS Assignment

Owner name: REEMTSMA CIGARETTENFABRIKEN GMBH,GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PIENEMANN, THOMAS;REEL/FRAME:022017/0611

Effective date: 20081128

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION