CN113475735A - Tobacco base material for electromagnetic heating cigarette and preparation method of cigarette - Google Patents
Tobacco base material for electromagnetic heating cigarette and preparation method of cigarette Download PDFInfo
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- CN113475735A CN113475735A CN202110772763.8A CN202110772763A CN113475735A CN 113475735 A CN113475735 A CN 113475735A CN 202110772763 A CN202110772763 A CN 202110772763A CN 113475735 A CN113475735 A CN 113475735A
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- tobacco
- concentrated solution
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- substrate
- electromagnetic heating
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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
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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
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
- A24B15/14—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco made of tobacco and a binding agent not derived from tobacco
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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
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Tobacco Products (AREA)
Abstract
The invention discloses a tobacco substrate for electromagnetic heating cigarettes and a preparation method of the cigarettes, wherein the tobacco substrate comprises the following steps: mixing tobacco stems, tobacco powder and additional plant fibers, extracting, performing centrifugal purification treatment or concentration treatment on an extracting solution to prepare a tobacco concentrated solution, and performing pulping treatment and papermaking treatment on solid insoluble substances to prepare a reconstituted tobacco substrate; carrying out alcohol precipitation treatment on the tobacco concentrated solution, and concentrating clear liquid to obtain an alcohol precipitation concentrated solution; adding a smoke agent, an adhesive and a ferromagnetic material into the alcohol precipitation concentrated solution to obtain a coating liquid; and coating the coating liquid on a reconstituted tobacco substrate. This openly through add ferromagnetic material in heating tobacco substrate production process for the cigarette, ferromagnetic material fixes and is difficult for droing in the tobacco substrate, can effectively improve electromagnetic heating cigarette heating efficiency, makes tobacco heat time shorten by a wide margin, and it is even to be heated moreover, and the suction quality is stable, avoids because the substrate carbonization incomplete problem that the uneven led to the fact of being heated.
Description
Technical Field
The invention relates to the field of preparation of heated cigarettes, in particular to a tobacco base material for an electromagnetic heating cigarette and a preparation method of the cigarette.
Background
Heated cigarettes are a new type of tobacco product that utilizes an external heat source to heat tobacco without igniting the tobacco, which in a non-burning state releases smoke for the consumer to smoke. Compared with the traditional cigarette, the release amount of harmful ingredients of the heated cigarette is obviously reduced. With the continuous increase of global smoking control strength, the heating cigarette product gradually becomes a research and development hotspot of tobacco companies at home and abroad, and various novel products are continuously emerged.
The existing heating mode for heating cigarettes is mainly to arrange a heating element in a smoking set to heat tobacco shreds. The heating element is only partially contacted with the tobacco shreds, so that the heat transfer is uneven, the suction quality is unstable, and the problems of less smoke quantity, less suction openings, incomplete carbonization of the periphery of the tobacco shreds, easy adhesion of the tobacco shreds by the heating element, scaling and the like exist. In addition, the existing reconstituted tobacco has low density and small heat conductivity coefficient, is not beneficial to heating cigarettes for rapid temperature rise, has long heating time and incomplete carbonization of base materials, and can further influence the stability of smoking quality.
Electromagnetic heating is to generate an alternating magnetic field by using electromagnetic waves, and cut alternating magnetic lines of force on the surface of metal to generate alternating current, so that metal atoms move randomly at high speed and collide with each other to generate heat energy. The electromagnetic heating energy transfer is a non-contact heating mode, and has the advantages of high heat transfer efficiency, high heating speed, uniform temperature distribution and the like.
Therefore, how to provide a method for preparing a novel tobacco substrate which can realize heating by using an electromagnetic heating mode becomes a technical problem which needs to be solved urgently in the field.
Disclosure of Invention
The invention aims to provide a novel technical scheme of a preparation method of a novel tobacco substrate capable of realizing heating by utilizing an electromagnetic heating mode.
According to a first aspect of the invention, a method of preparing a tobacco substrate for an electromagnetically heated cigarette is provided.
The preparation method of the tobacco base material for the electromagnetic heating cigarette comprises the following steps:
step (1): mixing tobacco stems, tobacco powder and additional plant fibers, extracting, performing centrifugal purification treatment or concentration treatment on an extracting solution to prepare a tobacco concentrated solution, and performing pulping treatment and papermaking treatment on solid insoluble substances to prepare a reconstituted tobacco substrate;
step (2): carrying out alcohol precipitation treatment on the tobacco concentrated solution, and concentrating clear liquid to obtain an alcohol precipitation concentrated solution;
and (3): adding a smoke agent, an adhesive and a ferromagnetic material into the alcohol precipitation concentrated solution to obtain a coating liquid, wherein the ferromagnetic material in the coating liquid accounts for 5-15% by mass;
and (4): and coating the coating liquid on the reconstituted tobacco substrate according to the coating rate of 45.0-55.0% to obtain the tobacco substrate for the electromagnetic heating cigarette.
Optionally, the additional plant fiber in the step (1) is at least one of softwood pulp, hardwood pulp, hemp pulp, asparagus pulp and bamboo pulp.
Optionally, the extraction treatment in the step (1) is hot water extraction treatment, the temperature of the hot water is 50-60 ℃, the extraction time is 1-2h, and the solid content of the tobacco concentrated solution is 40.0-50.0 wt%.
Optionally, the beating degree of the beating treatment in the step (1) is 15-25 ° SR, and the wet weight of the pulp obtained after beating is 1.0-3.5 g.
Optionally, the basis weight of the reconstituted tobacco substrate in the step (1) is 40-55g/m2The thickness is 0.1-0.2 mm.
Optionally, the ethanol precipitation treatment in the step (2) adopts 60-95% of ethanol by volume, the mass ratio of the tobacco concentrated solution to the ethanol is 1 (1-5), and the solid content of the ethanol precipitation concentrated solution is 40-55 wt%.
Optionally, the fuming agent in the step (3) is at least one of glycerol, propylene glycol, butylene glycol, triethylene glycol, sorbitol and xylitol, and the content of the fuming agent in the coating liquid is 10.0-36.0% by mass.
Optionally, in the step (3), the adhesive is at least one of carboxymethyl cellulose, polyvinyl alcohol, modified starch, guar gum, gelatin, gum arabic and apple pectin, and the mass percentage of the adhesive in the coating liquid is 0.1-1.5%.
Optionally, the ferromagnetic material in step (3) is at least one of iron, cobalt, nickel or alloy thereof and stainless steel and ferrite, the ferromagnetic material is at least one of granular, spherical and flaky, and the maximum size parameter of the ferromagnetic material is 10-200 μm.
The invention also provides a preparation method of the cigarette.
The preparation method of the cigarette comprises the steps of drying the tobacco base material for the electromagnetic heating cigarette prepared by the preparation method of the tobacco base material for the electromagnetic heating cigarette, rewinding or tearing the tobacco base material into pieces, then preparing the tobacco pieces, and wrapping the tobacco pieces with paper materials to prepare the heating cigarette.
This openly through add ferromagnetic material in heating tobacco substrate production process for the cigarette, ferromagnetic material fixes and is difficult for droing in the tobacco substrate, can effectively improve electromagnetic heating cigarette heating efficiency, makes tobacco heat time shorten by a wide margin, and it is even to be heated moreover, and the suction quality is stable, avoids because the substrate carbonization incomplete problem that the uneven led to the fact of being heated.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
The preparation method of the tobacco base material for the electromagnetic heating cigarette comprises the following steps:
step (1): mixing tobacco stems, tobacco powder and additional plant fibers, extracting, performing centrifugal purification treatment or concentration treatment on the extracting solution to obtain a tobacco concentrated solution, and performing pulping treatment and papermaking treatment on solid insoluble substances to obtain the reconstituted tobacco substrate.
The additional plant fiber in the step (1) can be at least one of softwood pulp, hardwood pulp, hemp pulp, asparagus pulp and bamboo pulp.
The extraction treatment in the step (1) can be hot water extraction treatment, the temperature of the hot water is 50-60 ℃, the extraction time is 1-2h, and the solid content of the tobacco concentrated solution is 40.0-50.0 wt%.
The beating degree of the beating treatment in the step (1) can be 15-25 DEG SR, and the wet weight of the pulp obtained after beating is 1.0-3.5 g.
The reconstituted tobacco substrate ration in the step (1) can be 40-55g/m2The thickness is 0.1-0.2 mm.
Step (2): and carrying out alcohol precipitation treatment on the tobacco concentrated solution, and concentrating clear liquid to obtain an alcohol precipitation concentrated solution.
The ethanol precipitation treatment in the step (2) adopts 60-95% of ethanol by volume percentage, the mass ratio of the tobacco concentrated solution to the ethanol is 1 (1-5), and the solid content of the ethanol precipitation concentrated solution is 40-55 wt%.
And (3): adding a smoke agent, an adhesive and a ferromagnetic material into the alcohol precipitation concentrated solution to obtain a coating liquid, wherein the ferromagnetic material in the coating liquid accounts for 5-15% by mass.
The fuming agent in the step (3) can be at least one of glycerol, propylene glycol, butanediol, triethylene glycol, sorbitol and xylitol, and the content of the fuming agent in the coating liquid is 10.0-36.0% by mass.
In the step (3), the adhesive can be at least one of carboxymethyl cellulose, polyvinyl alcohol, modified starch, guar gum, gelatin, Arabic gum and apple pectin, and the mass percentage of the adhesive in the coating liquid is 0.1-1.5%.
The ferromagnetic material in the step (3) may be at least one of iron, cobalt, nickel or an alloy thereof and stainless steel and ferrite, the ferromagnetic material may have a shape of at least one of a granular shape, a spherical shape and a flake shape, and the maximum size parameter of the ferromagnetic material is 10 to 200 μm.
And (4): and coating the coating liquid on the reconstituted tobacco substrate according to the coating rate of 45.0-55.0% to obtain the tobacco substrate for the electromagnetic heating cigarette.
The tobacco base material for the electromagnetic heating cigarette prepared by the preparation method of the tobacco base material for the electromagnetic heating cigarette is dried by hot air, then is rewound or torn into pieces, and then is made into tobacco shreds, and the tobacco shreds are wrapped by paper materials to prepare the heating cigarette.
The hot air drying temperature can be 90-120 deg.C, and the dried product quantitative is 90-120g/m2The thickness is 0.15-0.25mm, and the water content is 6.0-8.0%. The width of tobacco shred can be 0.08-0.10mm, and the water content of shredded product can be 4.0-8.0%.
The ferromagnetic material in the prepared heated cigarette can cut a magnetic line alternating magnetic field in an electromagnetic generating device, and the ferromagnetic atoms collide and rub at high speed to generate heat energy to heat the tobacco base material.
The experimental procedures used in the examples below are conventional unless otherwise specified, the materials and reagents used therein are commercially available, and the equipment used in the experiments are well known to those skilled in the art without otherwise specified.
Example one
Extracting the mixture of tobacco stems, tobacco powder and additional plant fibers (softwood pulp and hemp pulp) with hot water at 50 ℃ for 2 hours, then carrying out solid-liquid separation, carrying out centrifugal purification or concentration on the extract to prepare a tobacco concentrated solution, and pulping and manufacturing solid insoluble substances to form a substrate of the reconstituted tobacco. The freeness of the solid insoluble matter was 20 ° SR, and the wet weight after pulping was 3.0 g. The basis weight of the reconstituted tobacco substrate is 54.0g/m2The thickness is 0.16mm, and the solid content of the tobacco concentrated solution is 48.0 percent.
According to the mass ratio of the tobacco concentrated solution to the ethanol of 1:1, the tobacco concentrated solution is settled by using the ethanol with the concentration of 95%, then the tobacco concentrated solution is kept stand for layering, clear liquid is taken for concentration, and an alcohol precipitation concentrated solution is obtained, wherein the solid content of the alcohol precipitation concentrated solution is 50.0%.
Adding a smoke agent (adopting glycerol and propylene glycol with the addition amount of 35 wt%), an adhesive (adopting polyvinyl alcohol with the addition amount of 1.5 wt%) and a ferromagnetic material (adopting iron powder with the diameter of 100.0 mu m and the addition amount of 10.0 wt%) into the alcohol precipitation concentrated solution to prepare a coating liquid.
And coating the coating liquid on the reconstituted tobacco substrate according to the coating rate of 55% to obtain the tobacco substrate S1 for the electromagnetic heating cigarette.
The tobacco base material S1 for the electromagnetic heating cigarette is dried by hot air, rewound or torn into cut tobacco, and then coiled to obtain the experimental sample 1. The hot air drying temperature is 90-120 deg.C, the water content of the hot air dried product is 8.0%, and the quantitative rate is 120.0g/m2The thickness is 0.19mm, the shredding width is 0.10mm, and the water content of the shredded product is 6.0%.
Comparative example 1
The only difference from example one is that the cartridge produced was made to control 1 without the addition of ferromagnetic material.
The experimental sample 1 and the control sample 1 were inserted into an electromagnetic heating smoking set, a certain heating point in the cigarette was detected, the time required for heating to 350 ℃ was compared, and the degree of carbonization of the base material was compared, and the results are shown in table 1. As can be seen from Table 1, the experimental sample 1 required 2.6 seconds less time to heat to 350 ℃ than the control sample 1, while the carbonization was more complete.
TABLE 1
| Sample (I) | Control 1 | Experimental sample 1 |
| Time(s) | 8.4s | 5.8s |
Example two
Extracting the mixture of tobacco stems, tobacco powder and additional plant fibers (softwood pulp) with hot water at 60 ℃ for 1.5 hours, then carrying out solid-liquid separation, carrying out centrifugal purification or concentration on the extract to prepare a tobacco concentrated solution, and pulping and manufacturing solid insoluble substances to form a substrate of the reconstituted tobacco. The freeness of the solid insoluble matter was 25 ° SR, and the wet weight after pulping was 3.5 g. The basis weight of the reconstituted tobacco substrate is 48.0g/m2The thickness is 0.14mm, and the solid content of the tobacco concentrated solution is 50.0%.
According to the mass ratio of the tobacco concentrated solution to the ethanol of 1:1.5, the tobacco concentrated solution is settled by using the ethanol with the concentration of 85%, then the tobacco concentrated solution is kept stand and layered, clear liquid is taken and concentrated to obtain alcohol precipitation concentrated solution, and the solid content of the alcohol precipitation concentrated solution is 48.0%.
Adding a smoke agent (adopting glycerol and triethylene glycol with the addition amount of 30 wt%), an adhesive (adopting carboxymethyl cellulose and polyvinyl alcohol with the addition amount of 1.0 wt%) and a ferromagnetic material (adopting stainless steel particles with the diameter of 50.0 mu m and the addition amount of 8.0 wt%) into the alcohol precipitation concentrated solution to prepare a coating liquid.
And coating the coating liquid on the reconstituted tobacco substrate according to the coating rate of 52% to obtain the tobacco substrate S2 for the electromagnetic heating cigarette.
The tobacco base material S2 for the electromagnetic heating cigarette is dried by hot air, rewound or torn into pieces, cut into tobacco shreds, and coiled to obtain an experimental sample2. The hot air drying temperature is 90-120 deg.C, the water content of the hot air dried product is 7.0%, and the quantitative rate is 110.0g/m2The thickness is 0.20mm, the shredding width is 0.10mm, and the water content of the shredded product is 5.0%.
Comparative example No. two
The only difference from example two is that the resulting cartridge was made to control 2 without the addition of ferromagnetic material.
The experimental sample 2 and the control sample 2 were inserted into an electromagnetic heating smoking set, a certain heating point in the cigarette was detected, the time required for heating to 350 ℃ was compared, and the degree of carbonization of the base material was compared, and the results are shown in table 2. As can be seen from Table 2, the experimental sample 2 required 2.4 seconds less time to heat to 350 ℃ than the control sample 2, while the carbonization was more complete.
TABLE 2
| Sample (I) | Control 2 | Experimental sample 2 |
| Time(s) | 7.8s | 5.4s |
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (10)
1. A preparation method of a tobacco base material for an electromagnetic heating cigarette is characterized by comprising the following steps:
step (1): mixing tobacco stems, tobacco powder and additional plant fibers, extracting, performing centrifugal purification treatment or concentration treatment on an extracting solution to prepare a tobacco concentrated solution, and performing pulping treatment and papermaking treatment on solid insoluble substances to prepare a reconstituted tobacco substrate;
step (2): carrying out alcohol precipitation treatment on the tobacco concentrated solution, and concentrating clear liquid to obtain an alcohol precipitation concentrated solution;
and (3): adding a smoke agent, an adhesive and a ferromagnetic material into the alcohol precipitation concentrated solution to obtain a coating liquid, wherein the ferromagnetic material in the coating liquid accounts for 5-15% by mass;
and (4): and coating the coating liquid on the reconstituted tobacco substrate according to the coating rate of 45.0-55.0% to obtain the tobacco substrate for the electromagnetic heating cigarette.
2. The method for preparing a tobacco substrate for an electromagnetic heating cigarette according to claim 1, wherein the additional plant fiber in the step (1) is at least one of softwood pulp, hardwood pulp, hemp pulp, asparagus pulp and bamboo pulp.
3. The method for preparing the tobacco substrate for the electromagnetic heating cigarette according to claim 1, wherein the extraction treatment in the step (1) is hot water extraction treatment, the temperature of the hot water is 50-60 ℃, the extraction time is 1-2h, and the solid content of the tobacco concentrated solution is 40.0-50.0 wt%.
4. The method for producing a tobacco substrate for an electromagnetically heated cigarette as claimed in claim 1, wherein the beating degree in the beating treatment in the step (1) is 15 to 25 ° SR, and the wet weight of the pulp obtained after beating is 1.0 to 3.5 g.
5. The method for producing a tobacco substrate for an electromagnetically heated cigarette as claimed in claim 1, wherein the reconstituted tobacco in the step (1) isThe quantitative ratio of the leaf substrate is 40-55g/m2The thickness is 0.1-0.2 mm.
6. The method for preparing the tobacco substrate for the electromagnetic heating cigarette according to claim 1, wherein the ethanol precipitation treatment in the step (2) adopts 60-95% by volume of ethanol, the mass ratio of the tobacco concentrated solution to the ethanol is 1 (1-5), and the solid content of the ethanol precipitation concentrated solution is 40-55 wt%.
7. The method for preparing a tobacco substrate for an electromagnetically heated cigarette as claimed in claim 1, wherein the smoking agent in the step (3) is at least one of glycerin, propylene glycol, butylene glycol, triethylene glycol, sorbitol and xylitol, and the content of the smoking agent in the coating liquid is 10.0 to 36.0% by mass.
8. The method for preparing the tobacco substrate for the electromagnetic heating cigarette according to claim 1, wherein the adhesive in the step (3) is at least one of carboxymethyl cellulose, polyvinyl alcohol, modified starch, guar gum, gelatin, gum arabic and apple pectin, and the mass percentage of the adhesive in the coating liquid is 0.1-1.5%.
9. The method of claim 1, wherein the ferromagnetic material in step (3) is at least one of iron, cobalt, nickel or alloy thereof, stainless steel and ferrite, and has a shape of at least one of granular, spherical and plate-like shapes, and the maximum dimension parameter of the ferromagnetic material is 10-200 μm.
10. A preparation method of cigarettes is characterized in that the tobacco base material for the electromagnetic heating cigarettes prepared by the preparation method of the tobacco base material for the electromagnetic heating cigarettes in any one of claims 1 to 9 is dried by hot air, rewound or torn into pieces, then made into tobacco shreds, and the tobacco shreds are wrapped by paper materials to prepare the heating cigarettes.
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| CN202110772763.8A CN113475735A (en) | 2021-07-08 | 2021-07-08 | Tobacco base material for electromagnetic heating cigarette and preparation method of cigarette |
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| CN202110772763.8A CN113475735A (en) | 2021-07-08 | 2021-07-08 | Tobacco base material for electromagnetic heating cigarette and preparation method of cigarette |
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| CN115088859A (en) * | 2022-06-13 | 2022-09-23 | 湖北中烟工业有限责任公司 | Preparation method and application of reconstituted tobacco |
| WO2023160026A1 (en) * | 2022-02-24 | 2023-08-31 | 湖北中烟工业有限责任公司 | Electromagnetic induction heating cigarette and preparation method therefor |
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