CN104486955A - Tobacco product that produces lower carbon monoxide to tar ratio - Google Patents

Tobacco product that produces lower carbon monoxide to tar ratio Download PDF

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Publication number
CN104486955A
CN104486955A CN201380034339.7A CN201380034339A CN104486955A CN 104486955 A CN104486955 A CN 104486955A CN 201380034339 A CN201380034339 A CN 201380034339A CN 104486955 A CN104486955 A CN 104486955A
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tobacco
weight
fire retardant
product
polymers compositions
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CN201380034339.7A
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CN104486955B (en
Inventor
拉尼希·勒贝克
斯特凡·鲁亚尔
杰罗姆·阿库
彼得·布里根蒂
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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00—Preparing tobacco in the factory
    • A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/186—Treatment of tobacco products or tobacco substitutes by coating with a coating composition, encapsulation of tobacco particles
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/24—Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacture Of Tobacco Products (AREA)

Abstract

A reconstituted tobacco product is disclosed that can be used to produce smoking articles having lower carbon monoxide levels and carbon monoxide to tar ratios. The reconstituted tobacco material contains a polymer component and a burn retardant. The polymer component forms a coating on the surface of the reconstituted tobacco sheet. The burn retardant can be incorporated into the tobacco material or combined with the polymer component and contained in the coating.

Description

Produce the tobacco product of lower carbon monoxide and the ratio of tar
Related application
The application based on and require the priority of the U.S. Provisional Patent Application sequence number 61/644,775 that on May 9th, 2012 submits to, and it is incorporated to herein by reference.
Background technology
Smoking product such as cigarette manufactures by tobacco column being wrapped in wrapping paper routinely.At one end, smoking product generally includes the filter tip being aspirated described goods by it.Filter tip uses the cork paper being glued to wrapping paper to be attached to smoking product.When aspirating these goods, produce main flume, it is inhaled into by filter tip.Main flume can comprise various ingredients, and for smoking product provides special taste, described special taste is comprised not by means of only the sense of taste and the sensation that arrived by olfactometry.
Many trials are carried out in the past to reduce some component or composition that can comprise in the main flume of smoking product.Such as, in the relatively near past, thing (Hoffmann analyte) was analyzed to the Huffman reduced in main flume and carried out extensive research.It is carbon monoxide that a kind of Huffman that those skilled in the art attempt to reduce from main flume analyzes thing.In fact, the method for reducing carbon monoxide in main flume is needed at present, to meet the present or following statutory regulation.
In the past, the various trials reducing carbon monoxide level in cigarette main flume concentrate on dilutes main flume with air or by cigarette paper.Such as, in order to dilute main flume, the wrapping paper of cigarette being bored a hole or constructs in another manner to increase air void rate.Also filter tip is designed so that vent air can mix with main flume before leaving filter tip.Also the design of adjustable cigarette paper is to reduce main flow carbon monoxide further.
Although in some applications, the carbon monoxide level in said method cigarette capable of reducing, still needs to be further improved reduction carbon monoxide level.Method before many does not make carbon monoxide level be reduced to expected degree at all, especially considers now or be about to the statutory regulation of appearance.Therefore, need at present to reduce carbon monoxide level and especially for the improved method reducing carbon monoxide and the ratio of tar value.
Summary of the invention
Present disclosure relates generally to for reducing the process with the ratio of tar of the carbon monoxide of smoking product and carbon monoxide.Especially, according to present disclosure, create such reconstituted tobacco product, its can with Standard tobacco leaf blended with produce be used for smoking product such as cigarette can sucker rod.With there is identical amount can compared with sucker rod according to the identical of the reconstituted tobacco of present disclosure process, by such as by reconstituted tobacco product with by weight about 30% amount be incorporated to can in sucker rod, carbon monoxide can reduce with the ratio of tar and is greater than 5%, such as be greater than 8%, such as, be even greater than about 10%.
In order to reduce carbon monoxide and the ratio of tar as described above, tobacco-containing material is combined with the inorganic agent comprising fire retardant, polymers compositions and optional filler particles.Fire retardant can comprise such as carbonate or phosphate.Carbonate or phosphate such as can comprise alkali metal salt, as sylvite or sodium salt.In an alternative embodiment, fire retardant can comprise ammonium salt.
On the other hand, polymers compositions can comprise film forming agent.Polymers compositions can comprise such as guar gum, pectin, polyvinyl alcohol, cellulose derivative, alginate esters, starch, starch derivatives or their mixture.
Each component amount of adding in tobacco-containing material can be depending on multiple factor.In general, fire retardant with the amount of about 0.1% to about 20% by weight, such as, adds with the amount of about 5% to about 15% by weight.On the other hand, polymers compositions can with by weight about 0.1% to about 10%, and such as by weight about 0.5% to about 5%, such as the amount of about 0.5% to about 3% is added by weight.Find the ratio of carbon monoxide when fire retardant and the combination of polymers compositions significantly can reduce drawing tobacco material and tar.
Reconstituted tobacco product comprises containing the tobacco-containing material through refining offal and particulate.
Before refining tobacco-containing material or period, at elevated temperatures tobacco-containing material and the aqueous solution are combined.The water-soluble component be included in tobacco-containing material dissolves in the solution, produces tobacco soluble fraction.Then, DDGS is at least partially removed from tobacco-containing material.
Optionally above-mentioned tobacco-containing material and tobacco soluble fraction are reconfigured.Tobacco soluble fraction can be added in tobacco-containing material and soluble fraction is present in reconstituted tobacco product with the amount of general about 5% to about 50% by weight.
In the process manufacturing reconstituted tobacco product, at difference place, the inorganic agent of present disclosure can be added in tobacco-containing material.In one embodiment, such as, after tobacco-containing material and soluble fraction are combined or before tobacco-containing material and soluble fraction are combined, fire retardant and polymers compositions are combined and is applied to tobacco-containing material.In an alternative embodiment, fire retardant and polymers compositions separately add.Such as, in one embodiment, before tobacco-containing material and soluble fraction are combined, fire retardant can be added in tobacco-containing material, or fire retardant can be added to and have in the tobacco-containing material of soluble fraction.Then after soluble fraction and tobacco-containing material being combined, polymers compositions is added.
In one embodiment, polymers compositions (optionally together with fire retardant) can be applied to tobacco-containing material as coating.Coating used herein comprises cover layer or is applied to the layer of substrate.
Then above-mentioned reconstituted tobacco product can be used to produce smoking product, such as cigarette.In one embodiment, such as, can be used alone or combinationally use to produce with tobacco leaf product can sucker rod for reconstituted tobacco.Such as, can sucker rod can comprise by weight about 10% to by weight about 70% reconstituted tobacco product, the reconstituted tobacco product of such as about 15% to about 50% by weight.Can enclose and at one end can comprise filter tip by packaged paper bag by sucker rod.
Other characteristic sum aspects of present disclosure are below discussed in more detail.
Accompanying drawing explanation
The remainder of this description (comprising with reference to accompanying drawing) more specifically sets forth complete and attainable disclosure of the present invention, comprises the present invention's optimal mode to those skilled in the art, in the accompanying drawings:
Fig. 1 is the perspective view of smoking product constructed in accordance; And
Fig. 2 is the exploded view of smoking product shown in Fig. 1.
In this description and accompanying drawing, reusable Reference numeral is intended to represent the same or analogous feature of the present invention or element.
Detailed Description Of The Invention
Those of ordinary skill in the art should be understood that this discussion is only the description to exemplary, are not intended to limit wider aspect of the present invention.
In general, present disclosure relates to a kind of reconstituted tobacco product, when being incorporated in smoking product, with other components as compared with tar, significantly can reduce the CO gas in main flume.In order to produce the reconstituted tobacco product according to present disclosure, by tobacco-containing material and polymers compositions and optional fire retardant and/or one or more of filler combination.Find when being incorporated to by tobacco-containing material in smoking product such as cigarette, on tobacco-containing material, coated polymer component (optionally with flame retardant combination) significantly can reduce carbon monoxide level relative to tar.
In one embodiment, polymers compositions (tool the is with or without fire retardant) form that is the coating on reconstituted tobacco product.In the one side that coating can be present in reconstituted tobacco sheets or can be present on the two sides of reconstituted tobacco sheets.Coating to can be used as on surface that film is present in reconstituted tobacco sheets and can be continuous or discontinuous.In one embodiment, coating comprises both polymers compositions and fire retardant.In an alternative embodiment, coating only comprises polymers compositions.In this embodiment, can before the coating is formed fire retardant be optionally incorporated in reconstituted tobacco product.
When producing reconstituted tobacco product, tobacco-containing material is made to contact to produce the part comprising DDGS with the aqueous solution at elevated temperatures.Then tobacco soluble fraction can be separated with tobacco-containing material.Optionally tobacco soluble fraction and tobacco-containing material are reconfigured during reconstituted tobacco production.According to present disclosure, during said process can by fire retardant and polymers compositions and tobacco-containing material combined.In one embodiment, mutually bi-material is added independently with tobacco-containing material and tobacco soluble fraction being reconfigured.
Such as, in one embodiment, preferably after this, fire retardant and polymers compositions can be combined and be applied to tobacco-containing material before tobacco soluble fraction and tobacco-containing material are reconfigured.Such as, in a specific embodiment, after tobacco-containing material and tobacco soluble fraction are reconfigured, together or separate administration fire retardant and polymers compositions.
Polymers compositions forms coating on reconstituted tobacco materials or reconstituted tobacco sheets, and these are different from the described material of dipping or sheet.In order to form coating, after sheet is by least part of drying, polymers compositions can be applied to reconstituted tobacco sheets.Such as, when polymers compositions being applied to reconstituted tobacco sheets surperficial, the water capacity of reconstituted tobacco sheets can be and is less than about 50% by weight, such as, be less than about 30% by weight, such as, be less than about 20% by weight, such as, be less than about 15% by weight.In one embodiment, such as, reconstituted tobacco sheets can be completely dried and water capacity can be less than 10%.Reconstituted tobacco sheets used herein refers to any net of the material manufactured by baccy fiber, and can comprise or may not comprise soluble fraction.Polymers compositions can use any suitable coating apparatus to be applied to reconstituted tobacco sheets.Such as, coating is formed to roller (roll-to-roll) method by printing or any suitable roller.Roller comprises airblade coating, curtain coating, flexographic plate coating (flexographiccoating), knife-over-roll coating (knife over roll coating), the coating of Meyer (Meyer) rod, inverse roller coat cloth etc. to roller coating method.After polymers compositions being applied to the surface of reconstituted tobacco sheets, just can dry coating.In one embodiment, coating can be formed and drying on the first surface of reconstituted tobacco sheets, and the second-phase being then applied to reconstituted tobacco sheets is subsequently tossed about and drying.Or, can be coated with the two sides of reconstituted tobacco sheets simultaneously.In another embodiment, only a face of reconstituted tobacco sheets can be coated with polymers compositions.
Find when polymers compositions forms coating on reconstituted tobacco product, carbon monoxide level significantly reduces.Optionally fire retardant is incorporated in product to reduce carbon monoxide level further.Before forming the coating obtained by polymers compositions, fire retardant can be incorporated in reconstituted tobacco product.Or, in a preferred embodiment, fire retardant and polymers compositions can be combined and are incorporated in the coating be formed on reconstituted tobacco.
Fire retardant generally comprises salt, such as carbonate or phosphate.On the other hand, polymers compositions can comprise film forming agent.In one embodiment, polymers compositions comprises starch or starch derivatives.
The present inventor finds, said method can cause reconstituted tobacco product in main flume, produce CO gas significantly less compared with tar.Such as, can the reconstituted tobacco product of present disclosure be made with the amount being less than about 70% by weight by sucker rod when combining with tobacco blend to produce, such as be less than the amount of 60% by weight, such as be less than the amount of 50% by weight, such as, when the amount being less than about 40% even is by weight included in described rod, the carbon monoxide of smoking product or cigarette and the ratio of tar be comparable comprise the smoking product of conventional reconstituted tobacco product or cigarette little of 5%, such as at least about 10%, such as even about 15%.Be 900 milligrams and hardness is can realize above-mentioned carbon monoxide in the standard cigarette of 1.2mm to reduce with the ratio of tar in tobacco weight.Cigarette also can produce about 7.5 to about 8.5, the puff number (puff count) (as measured on standard machine device such as Borgwaldt RM20 external member) of such as about 8.0 to about 8.5, especially when the blended tobacco product of the use U.S..
The reconstituted tobacco product of present disclosure and any suitable tobacco blend can be combined to produce smoking product, such as cigarette.Tobacco blend such as can comprise U.S.'s blend, east blend, Virginia blend etc.
In one embodiment, such as, first make to comprise offal (such as flue-cured tobacco stalk), particulate and/or the tobacco from other tobacco by-products of tobacco manufacture process prepare burden (furnish) mix with solvent (such as, water and/or other compounds).Various solvents such as alcohol (such as, ethanol) and the water miscible with water can be combined to form aqueous solvent.In some cases, the water content of aqueous solvent can be greater than 50 % by weight of solvent, and is greater than 90 % by weight of solvent especially.Deionized water, distilled water or running water can be adopted.In suspended substance, the amount alterable of solution is very large, but generally add with the amount of about 50 % by weight to about 99 % by weight of suspension body, add with the amount of about 60 % by weight to about 95 % by weight in some embodiments, and add with the amount of about 75 % by weight to about 90 % by weight in some embodiments.But the amount of solvent can change with the type of the temperature of the character of solvent, pending extraction and tobacco batching.
After formation solvent/tobacco ingredients mixture, some or all soluble fractions of ingredients mixture are optionally made to be separated with mixture.Aqueous solvent/tobacco ingredients mixture by stir, shake or in another manner blend mixture carry out stirring to improve rate of dissolution.Usually, this process carries out about extremely about 6 hours half an hour.Process temperature scope can be about 10 DEG C to about 100 DEG C.
To prepare burden with tobacco making soluble fraction or after insoluble part is separated, just can concentrate soluble fraction.The inspissator of any known type such as cold boiler can be used to concentrate soluble fraction.In an embodiment of present disclosure, can high enrichment soluble fraction.
The soluble fraction that gained is blended or tobacco soluble fraction can be used alone as tobacco product (such as, seasoning material), or it can combine to form tobacco product with other materials subsequently.
In one embodiment, various application process can be used as spraying, use sizing roller, soluble fraction and soluble part (such as, sheet, tobacco blend, insoluble residue etc.) reconfigure by saturated, dipping (such as using sizing applicator) etc.Such as, insoluble part can be made to experience one or more machine finish machine to produce fibre pulp.Some examples of suitable refiner can comprise disk refiner, conical refiner etc.Such as, can carry out refining making the freedom index of tobacco-containing material (freeness index) be at least about 30 ° of SR to tobacco-containing material, such as about 30 ° of SR to about 60 ° of SR.
Then, the paper pulp of in the future autofining machine can transfer to the paper making station comprising former, described former can comprise such as forming net (forming wire), gravity discharge device, suction-discharge device, Felt press (felt press), Yankee drier, drum dryer etc.In such former, paper pulp lay to tape will form flake shape and remove excessive water by gravity discharge device and suction-discharge device and press.In any case, when reconfiguring with tobacco soluble fraction, the tobacco product of gained is generally all called as " reconstituted tobacco ".
Reconstituted tobacco generally can be formed in every way.Such as, in one embodiment, band casting (band casting) can be utilized to form reconstituted tobacco.Band casting adopts the slurry of segmentation tobacco section and adhesive usually, is applied on steel band then dry.After drying, by sheet and natural tobacco swath blended or shred and be used for multiple tobacco product, comprise as cigarette filler.United States Patent (USP) the 3rd, describes some examples of the method for generation of reconstituted tobacco in 353,541,3,420,241,3,386,449,3,760,815 and 4,674, No. 519; It is incorporated to herein by quoting in full for all relevant objects.Reconstituted tobacco is also formed by paper-making process.United States Patent (USP) the 3rd, 428,053,3,415,253,3,561,451,3,467,109,3,483,874,3,860,012,3,847,164,4,182,349,5,715,844,5,724,998 and 5, describe some examples of the method forming reconstituted tobacco according to this process in 765, No. 570; It is incorporated to herein by quoting in full for all relevant objects.Such as, use paper technology to form reconstituted tobacco can comprise the following steps: tobacco is mixed with water, from being wherein separated soluble fraction, concentrated soluble fraction, refining tobacco, forming net, again using through concentrated soluble fraction, drying and pulverize.
According to present disclosure, during production reconstituted tobacco product, fire retardant and polymers compositions and tobacco-containing material are combined.First fire retardant and polymers compositions can be combined and be applied to tobacco-containing material, or it can be applied to tobacco-containing material independently of one another.Although each additive and soluble fraction can be combined, be then applied to tobacco-containing material, preferably before or after tobacco-containing material and soluble fraction being reconfigured, use two kinds of additives.
In a preferred embodiment, after soluble fraction being applied to tobacco-containing material (if needing soluble fraction and tobacco-containing material to combine), polymers compositions forms coating on tobacco-containing material.Fire retardant can be applied to separately tobacco-containing material or fire retardant and polymers compositions can be combined and be incorporated in coating.
Fire retardant generally can comprise any suitable fire retardant salt.In one embodiment, such as, fire retardant can comprise carbonate or phosphate.Such as, fire retardant can comprise the alkali metal salt of phosphoric acid or carbonic acid or can comprise the ammonium salt of phosphoric acid.The instantiation of spendable fire retardant comprises sodium carbonate, potash, sodium dihydrogen phosphate, potassium dihydrogen phosphate, diammonium hydrogen phosphate and their mixture.
The amount of the fire retardant combined with tobacco-containing material can change according to application-specific.In general, fire retardant is applied to tobacco-containing material with the amount of about 0.1% to about 20% by weight.In general, fire retardant with the amount being greater than about 5% by weight, such as, is greater than the amount of about 7% by weight, and the amount being such as greater than about 10% is by weight added.In general, fire retardant with the amount being less than about 15% by weight, such as, is less than the amount of about 12% by weight, and the amount being such as less than about 10% is by weight added.
On the other hand, polymers compositions can comprise film forming agent, and it also can be called as filmogen.Such as, polymers compositions can comprise guar gum, pectin, polyvinyl alcohol, cellulose derivative, alginate esters, starch, starch derivatives or their mixture.The amount being added into the polymers compositions in tobacco-containing material can be depending on multiple factor, the concrete fire retardant comprising final use application and use.In general, polymers compositions adds with the amount of about 0.1% to about 10% by weight.Such as, polymers compositions with the amount being less than about 8% by weight, such as, can be less than the amount of about 5% by weight, and the amount being such as less than about 4% is by weight added.Polymers compositions is generally with the amount being greater than about 0.5% by weight, and the amount being such as greater than about 1% by weight exists.
Although polymers compositions and fire retardant can any suitable step during the process manufacturing reconstituted tobacco add, in one embodiment, polymers compositions adds after tobacco-containing material formation sheet.Can separately or with flame retardant combination add polymers compositions and be coated on described.When being applied to sheet, any suitable device can be used to make deposition of material on sheet.Printing machine or any suitable equipment can be used.Coating can form film on the surface of reconstituted tobacco sheets.Coating can exist only in the one side of reconstituted tobacco sheets, or coating can be applied to the two sides of reconstituted tobacco sheets.
Fire retardant as above can combine with polymers compositions and be applied to tobacco-containing material, or can use separately.When using separately, fire retardant can be added before tobacco-containing material and soluble fraction being reconfigured or after tobacco-containing material and soluble fraction being combined.Although fire retardant and soluble portions packet combining can be applied to tobacco-containing material, there are some possibilities that fire retardant and soluble fraction may adversely react.Therefore, preferably fire retardant is added independently with soluble fraction.
In addition to that mentioned above, also filler particles can be added to and have in the tobacco-containing material of polymers compositions.Filler particles can comprise such as clay particle, calcium carbonate granule, titan oxide particles, magnesium oxide particle, mica, kaolin or their mixture.When it is present, filler particles is generally with the amount being less than about 5% by weight, and the amount being such as less than about 3% is by weight added.
In addition, also other compositions multiple such as flavor enhancement can be applied to net.If when using together with soluble fraction and/or other compositions, then can utilize such as tunnel dryer dried fibres sheet material in some embodiments, be less than 20% by weight and be the sheet of about 9% to about 14% by weight especially to provide typical moisture content.Subsequently, this sheet can be cut into desired size and/or shape and be dried to the final water capacity of expectation.
Can by the significantly improved tobacco product of reconstituted tobacco product formation according to the present invention.Term used herein " tobacco product " means to comprise smoking product (such as, cigarette, cigar, the smoking product frittered, pipe etc.).Only for illustrative purposes, a kind of such smoking product has been shown in Fig. 1 to 2.As shown in the figure, comprise can suction posts 12 for smoking product 10.Smoking product 10 also can comprise wrapping paper 14, and it can define external peripheral surface 16 during suction posts 12 at parcel.Goods 10 also can comprise the filter tip 26 that can be encapsulated by cork paper.As known in the art, wrapping paper can be made up of cellulose fiber peacekeeping filler.
According to present disclosure, suction posts 12 can be made up of the reconstituted tobacco product of present disclosure completely or the combination of reconstituted tobacco product and other tobacco-containing materials can be comprised.In one embodiment, such as, reconstituted tobacco product can be combined with by frittering the standard tobacco blend that tobacco leaf makes.Tobacco blend mainly can comprise roasting bright leaf (flue-cured bright leaf), burley tobaccos and/or Oriental tobacco.In one embodiment, reconstituted tobacco product can with the amount of about 10% to about 70% by weight, such as by weight the amount of about 15% to about 50% be included in can in suction posts.As mentioned above, the existence of Novel reconstructed tobacco product can significantly improve and reduce the ratio of carbon monoxide and tar.
Present disclosure can be understood better with reference to following examples.
Embodiment 1
Following examples demonstrate some advantages and the benefit of present disclosure.
In order to produce reconstituted tobacco, the following process of general employing.
First by the offal through pulverizing and the mixture of tobacco chippings and aqueous solution.Thereafter be in hydraulic press, carry out extraction step be separated with tobacco fiber portion to make aqueous fractions.The tobacco fiber portion of recovery is disperseed in aqueous again.After extra extraction (by extruding), in baccy fiber residue, add wood pulp.Then these samples are refined in beater.Gained raw material is for the manufacture of sheet.Aqueous fractions is concentrated in evaporimeter, is then impregnated in sheet.Then the dry sheet through dipping.
Prepare 14 different samples in this embodiment and tested.In sample 1 to 8, reconstituted tobacco is produced on commodity production machine.Then, except No. 1 sample, use lab coater to apply with polymers compositions or by polymers compositions and one or more of flame retardant combination sample separately in the lab.In 2-8 sample, after soluble fraction is applied to sheet, polymers compositions is applied to reconstituted tobacco sheets together with flame retardant combination.Below summarize 1-8 sample.
table 1
In following 9-14 sample, reconstituted tobacco product tries line is produced in the lab.In 10-14 sample, one or more of fire retardant to be added in soluble fraction and to be applied to sheet.Then, after soluble fraction is applied to sheet, use polymers compositions and optional calcium carbonate as coating.Shown below the brief summary of 9-14 sample.
table 2
Sheet is pulverized and be formed as comprising by weight 30% the cigarette of reconstituted tobacco through pulverizing.In this embodiment, commercial Tobacco blend is used.Use the manual cigarette of the manufacture of cigarette tube after filtration with same rigidity and tobacco weight.Hardness is 1.5 millimeters.Tobacco weight is 850 milligrams.Borgwaldt RM20 external member smoking machine aspirates this cigarette.Use the flue gas of ISO smoking scheme to each cigarette sample to analyze, give the following result for tar, nicotine and carbon monoxide:
As implied above, the ratio of carbon monoxide and CO/ tar significantly can be reduced according to the reconstituted tobacco of present disclosure manufacture.Also as implied above, fire retardant is introduced together with DDGS general so effective not as adding fire retardant after being incorporated in sheet by coating by DDGS.
Embodiment 2
Repeat the process of embodiment 1.Especially, contrast No. 1 sample and No. 2 samples are created.No. 2 samples comprise the reconstituted tobacco being coated with starch and potash and combining.Starch with by weight 1.6% amount be present in reconstituted tobacco, and potash with by weight 4.8% amount be present in tobacco-containing material.
Manufactured cigarette as mentioned above, it comprises the reconstituted tobacco of by weight 30% or comprises the reconstituted tobacco of by weight 15%.When reconstituted tobacco product with by weight 30% amount be included in cigarette time, obtain following result.
table 1
When reconstituted tobacco product with by weight 15% amount be included in cigarette time, obtain following result.
table 2
As implied above, the existence of the reconstituted tobacco product of present disclosure creates higher smoking mouth number, lower tar yield and nicotine productive rate.Reconstituted tobacco product also significantly reduces carbon monoxide and carbon monoxide and tar ratio.
Those of ordinary skill in the art can to the invention process these and other amendment and change, and do not depart from the spirit and scope of the present invention more specifically set forth in claims.In addition, should be understood that the aspect of different embodiments can exchange in whole or in part.And those of ordinary skill in the art should be understood that above description is only illustrational, be not intended to limit the present invention as further described in claims.

Claims (25)

1. a tobacco product, it comprises:
Reconstituted tobacco materials, described reconstituted tobacco materials comprises offal and particulate;
Tobacco soluble fraction, described tobacco soluble fraction is optionally combined with described offal and particulate;
Coating on described reconstituted tobacco materials, described coating comprises polymers compositions, and described reconstituted tobacco materials also optionally comprises fire retardant.
2. tobacco product according to claim 1, wherein said polymers compositions is non-fiber.
3. tobacco product according to claim 1 and 2, wherein fire retardant is included in described tobacco product, and comprises carbonate, phosphate or their mixture.
4. tobacco product according to claim 3, wherein said fire retardant comprises the alkali metal salts or ammonium salt of carbonic acid or phosphoric acid.
5. according to tobacco product in any one of the preceding claims wherein, wherein said fire retardant exists with the amount of about 0.1% to about 20% by weight, and described polymers compositions exists with the amount of about 0.1% to about 10% by weight.
6. according to tobacco product in any one of the preceding claims wherein, wherein said fire retardant exists with the amount of about 5% to about 10% by weight, and described polymers compositions exists with the amount of about 0.5% to about 5% by weight.
7., according to tobacco product in any one of the preceding claims wherein, wherein described polymers compositions is applied to described reconstituted tobacco materials together with described flame retardant combination.
8. according to tobacco product in any one of the preceding claims wherein, wherein said polymers compositions comprises: guar gum, pectin, polyvinyl alcohol, cellulose derivative, alginate esters, starch, starch derivatives or their mixture.
9., according to tobacco product in any one of the preceding claims wherein, wherein said polymers compositions comprises starch or starch derivatives.
10., according to tobacco product in any one of the preceding claims wherein, wherein before the described coating of formation, fire retardant is applied to described reconstituted tobacco materials.
11. according to tobacco product in any one of the preceding claims wherein, and wherein said reconstituted tobacco materials comprises the reconstituted tobacco sheets with first surface and second, and wherein said reconstituted tobacco sheets is only coated with described polymers compositions in one side.
12. according to tobacco product in any one of the preceding claims wherein, wherein said reconstituted tobacco materials comprises the reconstituted tobacco sheets with first surface and second, and wherein said tobacco sheet is coated with described polymers compositions on described first surface and described second.
13. 1 kinds of smoking products, it comprises can sucker rod, describedly can comprise combine with tobacco blend by weight about 10% to by weight about 70% by sucker rod, such as by weight about 15% to about 50% according to tobacco product in any one of the preceding claims wherein, described can the packaged paper of sucker rod around.
14. smoking products according to claim 13, wherein saidly can comprise a certain amount of described tobacco product by sucker rod, described amount is enough to make the ratio of carbon monoxide and tar and comprises identical reconstituted tobacco materials but reduction at least 5% compared with the identical smoking product not comprising described polymers compositions or fire retardant, such as at least 10%, such as at least 15%.
15. smoking products according to claim 14, wherein reduce about 5% until about 25% by described carbon monoxide and the ratio of tar.
16. according to tobacco product in any one of the preceding claims wherein, and wherein said coating is included in the film on the surface of described reconstituted tobacco materials.
17. 1 kinds of formation are used for the method for the reconstituted tobacco materials of smoking product, and described method comprises:
Tobacco and solvent are combined to form soluble constituent and indissolvable component;
Remove described soluble constituent at least partially;
Refining described tobacco;
Reconfigure through refining tobacco and described soluble constituent; And
Before or after the tobacco of described soluble constituent and described warp being refined reconfigures, fire retardant and polymers compositions are added in the refining tobacco of described warp.
18. methods according to claim 17, wherein combine described fire retardant and described polymers compositions, then add in the refining tobacco of described warp as coating.
19. 1 kinds of methods for the formation of smoking product, it can sucker rod and can carrying out by sucker rod around described with wrapping paper to be formed by the described reconstituted tobacco materials produced in claim 17 or 18 and tobacco blend being combined.
20. 1 kinds of reconstituted tobacco products, it comprises:
Tobacco-containing material, described tobacco-containing material comprises offal and particulate;
The tobacco soluble fraction be combined with described tobacco-containing material;
Be present in the fire retardant in described tobacco-containing material; And
Be coated in the polymers compositions on described tobacco-containing material at least partially.
21. reconstituted tobacco products according to claim 20, wherein fire retardant is included in described tobacco product, and comprises carbonate, phosphate or their mixture.
22. reconstituted tobacco products according to claim 21, wherein said fire retardant comprises the alkali metal salts or ammonium salt of carbonic acid or phosphoric acid.
23. reconstituted tobacco products according to claim 20, wherein said fire retardant exists with the amount of about 0.1% to about 20% by weight, and described polymers compositions exists with the amount of about 0.1% to about 10% by weight.
24. reconstituted tobacco products according to claim 20, wherein said fire retardant exists with the amount of about 5% to about 20% by weight, and described polymers compositions exists with the amount of about 0.5% to about 5% by weight.
25. smoking products according to any one of claim 20 to 24, it comprises can sucker rod, describedly can comprise combine with tobacco blend by weight about 10% to by weight about 70% by sucker rod, such as by weight about 15% to about 50% the reconstituted tobacco product according to any one of claim 20 to 24, described can the packaged paper of sucker rod around.
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