CN110623296A - Heat-conducting tobacco sheet for cigarettes and preparation method and application thereof - Google Patents
Heat-conducting tobacco sheet for cigarettes and preparation method and application thereof Download PDFInfo
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- CN110623296A CN110623296A CN201810642537.6A CN201810642537A CN110623296A CN 110623296 A CN110623296 A CN 110623296A CN 201810642537 A CN201810642537 A CN 201810642537A CN 110623296 A CN110623296 A CN 110623296A
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- heat
- tobacco
- conducting
- tobacco sheet
- powder
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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
- 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
Abstract
The invention discloses a heat-conducting tobacco sheet for cigarettes as well as a preparation method and application thereof. The heat-conducting tobacco sheet prepared by the invention is characterized in that the existing tobacco sheet is used as a carrier, the heat-conducting material is added in the production process of the tobacco sheet, the process flow is not required to be increased, or the heat-conducting tobacco sheet is added through the existing coating or spraying equipment, the production process is simple, the cost is low, and the heat-conducting tobacco sheet can be produced in a large scale.
Description
Technical Field
The invention relates to a heat-conducting tobacco sheet for cigarettes and a preparation method and application thereof, belonging to the technical field of cigarette processing.
Background
Smoking is harmful to health, public concern about smoking and health is increasing, international smoking control is increasingly accelerated, and public smoking restriction is stricter. In order to adapt to the smoking control exercise and reduce the harm of tobacco to health, various tobacco companies such as Feimo, Enmei and the like in various countries around the world actively research and develop various novel tobacco products, wherein low-temperature heating non-combustion cigarettes, electronic cigarettes, smokeless tobacco products and the like are popular with vast tobacco consumers at home and abroad. At present, the research, design and development of novel tobacco products become a popular research field in the tobacco industry internationally.
As a low-temperature heating non-combustion type cigarette in a novel tobacco product, the cigarette is mainly characterized in that smoke is generated by heating tobacco instead of burning the tobacco, and compared with the traditional combustion type tobacco, the cigarette has the advantages that the amount of harmful ingredients and second-hand smoke in the smoke is greatly reduced. The low-temperature heating non-combustion type cigarette product mainly comprises a cigarette and a heating device, wherein the cigarette is basically not different from a common cigarette, the low-temperature heating non-combustion type cigarette generally adopts cigarette paper with a flame retardant function (patents 201610913140.7, 201410437696.4 and the like), the tobacco mainly comprises tobacco sheets, the distribution of the tobacco sheets is orderly and disorderly (patents 201310297632.4, 201711275608.5 and the like), the heating mode mainly comprises central heating and outer surrounding heating, and because the temperature of a heat source is lower (200 ℃ C.) and 300 ℃ C.), and the heat conductivity of the cigarette paper and the tobacco is poor, the smoke generation amount under the low-temperature condition is insufficient, the fragrance components in the tobacco are difficult to fully release, and the satisfaction of consumers is insufficient.
Disclosure of Invention
The invention aims to provide a low-temperature heating type heat-conducting tobacco sheet for cigarettes and a preparation method thereof, aiming at the defects of the prior art.
The technical scheme of the invention is to provide a preparation method of a heat-conducting tobacco sheet for cigarettes, which is characterized in that the heat-conducting tobacco sheet is prepared by a thick pulp method, a binder, tobacco powder and a heat-conducting material are added into tobacco sheet paper pulp prepared by the thick pulp method, stirred to form slurry, and dried to prepare the heat-conducting tobacco sheet.
The invention also provides a preparation method of the heat-conducting tobacco sheet for the cigarette, which is used for preparing the heat-conducting tobacco sheet by a papermaking method and is characterized in that the surface of a tobacco sheet substrate is coated with a coating liquid consisting of a heat-conducting material, superfine tobacco powder and a binder in an extraction mode, and the heat-conducting tobacco sheet is prepared by drying after extraction, wherein the particle size of the superfine tobacco powder is 120-800 meshes.
The invention also provides a preparation method of the heat-conducting tobacco sheet for the cigarette, which is used for preparing the heat-conducting tobacco sheet by a papermaking method and is characterized in that the surface of a tobacco sheet substrate is coated with a coating liquid consisting of a heat-conducting material, tobacco stem extract, superfine tobacco powder and a binder, and the coating liquid is dried to prepare the heat-conducting tobacco sheet, wherein the particle size of the superfine tobacco powder is 800 meshes.
Preferably, the tobacco stem extract is a water extract of tobacco stems.
Preferably, the solid matter obtained after the tobacco stems are extracted by water is defibered and pulped, and is mixed with additional fiber pulp which is defibered and pulped, and then is uniformly mixed with 60-80 meshes of tobacco powder, and the tobacco sheet substrate is obtained through paper making, pressing dehydration and drying by a paper machine.
Preferably, the mass of the heat conducting material accounts for 3% -15% of the mass of the heat conducting tobacco sheet.
Preferably, the powder is one or more of aluminum nitride powder, aluminum oxide powder, boron nitride powder and silicon carbide powder.
The invention provides a heat-conducting tobacco sheet for cigarettes, which is obtained by the preparation method.
The invention also provides application of the heat-conducting tobacco sheet for the cigarette in the aspect of low-temperature heating type cigarettes.
Preferably, the low temperature heating type cigarette is heated using a heat source of 200-.
Preferably, the binder is one or more of modified starch, guar gum and carboxymethyl starch.
The invention mainly loads the heat conduction material powder as the heat conduction functional auxiliary agent in the tobacco sheets, thereby effectively improving the heat conduction performance of the tobacco sheets, improving the heat transfer efficiency of the low-temperature heating type cigarette heating appliance, improving the release amount of smoke and flavor components of the low-temperature heating type cigarette, and improving the satisfaction of consumers.
The heat-conducting tobacco sheet prepared by the invention has the beneficial effects that the existing tobacco sheet is used as a carrier, the heat-conducting material is added in the production process of the tobacco sheet, the process flow is not required to be increased, or the heat-conducting material is added through the existing coating or spraying equipment, the production process is simple, the cost is low, and the heat-conducting tobacco sheet can be produced in a large scale.
Detailed Description
The technology of the present invention will be further described with reference to specific examples.
Comparative example 1: thick slurry process tobacco sheet
Adding a proper amount of water into a pulping kettle, gradually adding a paper pulp board, stirring and pulping to uniformly disperse paper fibers into the water, then adding a binder and other conventional tobacco sheet auxiliaries, stirring and pulping, uniformly dispersing, adding tobacco powder and a heat conduction material, stirring and mixing to form a slurry, then pouring the slurry on a steel belt, controlling the temperature of the steel belt, and drying to control the moisture content to be 12-14%, thus obtaining the tobacco sheet.
Example 1
According to the preparation method of the tobacco sheet by the thick paste method, the heat conduction material is added, the mass fraction of the heat conduction material accounts for 4.2 percent of the mass fraction of the finished product of the heat conduction tobacco sheet, and the used heat conduction material is aluminum nitride powder.
Example 2
According to the preparation method of the tobacco sheet by the thick paste method, the heat conduction material is added, the mass fraction of the heat conduction material accounts for 8.5 percent of that of the finished product of the heat conduction tobacco sheet, and the used heat conduction material is aluminum nitride powder and aluminum oxide powder, and the ratio of the aluminum nitride powder to the aluminum oxide powder is 2: 1.
Example 3
According to the preparation method of the tobacco sheet by the thick paste method, the heat conduction materials are added, the mass fraction of the heat conduction materials accounts for 10.8 percent of that of the finished product of the heat conduction tobacco sheet, and the used heat conduction materials are alumina powder and silicon carbide powder, and the ratio of the alumina powder to the silicon carbide powder is 1: 1.
Comparative example 2: tobacco sheet by paper making process
According to the method of the company patent 200710034467.8, the tobacco powder, the tobacco dust and the cigarette ash are made into 60-80 meshes of tobacco powder and 120-800 meshes of ultrafine tobacco powder by using a grinding device; soaking and extracting tobacco stems for 1-2 hours by using water, then carrying out solid-liquid separation, concentrating the extract, and adding superfine tobacco powder to obtain a sheet coating liquid; the solid matter after the tobacco stalk extraction is defibered and pulped, mixed with the additional fiber pulp which has been defibered and pulped, and then rapidly and uniformly mixed with 60-80 meshes of tobacco powder, and then the mixture is made by a paper machine, squeezed, dehydrated and dried to obtain a substrate; and dip-coating the substrate with a sheet coating liquid, and drying to obtain the tobacco sheet.
Example 4
According to the preparation method of the tobacco sheet by the papermaking method, the heat conduction material is added, the mass fraction of the heat conduction material accounts for 5.6 percent of that of the finished product of the heat conduction tobacco sheet, and the heat conduction material is aluminum nitride powder.
Example 5
According to the preparation method of the tobacco sheet by the papermaking method, the heat conduction materials are added, the mass fraction of the heat conduction materials accounts for 9.9% of that of the finished product of the heat conduction tobacco sheet, and the used heat conduction materials are aluminum nitride powder and silicon carbide powder, and the ratio of the aluminum nitride powder to the silicon carbide powder is 2: 1.
Example 6
According to the preparation method of the tobacco sheet by the papermaking method, the heat conduction materials are added, the mass fraction of the heat conduction materials accounts for 11.5 percent of that of the finished product of the heat conduction tobacco sheet, and the used heat conduction materials are alumina powder and silicon carbide powder, and the ratio of the alumina powder to the silicon carbide powder is 1: 1.
And (4) analyzing results:
adopting a DRE transient plane heat source method heat conduction instrument to perform heat conduction performance test on thick paste method tobacco sheets without adding heat conduction materials, papermaking method tobacco sheets and heat conduction tobacco sheets in different embodiments, cutting different tobacco sheets into sizes meeting test requirements, selecting the same power according to material performance, enabling other setting parameters of the instrument to be consistent, performing parallel test for 3 times on each sample, and obtaining the heat conduction coefficients and the heat diffusion coefficients of the thick paste method tobacco sheets without adding heat conduction materials, the papermaking method tobacco sheets and the heat conduction tobacco sheets in different embodiments according to table 1.
Table 1 thermal conductivity of tobacco sheets without added thermal conductive material and thermal conductive tobacco sheets of different examples
The heat conductivity coefficient of a substance is the heat transferred by a material with the thickness of 1m in 1 second (1s) through the area of 1 square meter under the condition of stable heat transfer, the temperature difference between the two side surfaces is 1 degree (K, DEG C), and the heat conductivity coefficient is high, which indicates that the heat conductivity of the substance is strong. The thermal diffusion coefficient means that in the unsteady heat conduction process of heating and temperature rise of a substance, heat entering the substance is continuously absorbed along the way to raise the temperature of the substance, and the thermal diffusion coefficient is high, which indicates that the heat in the substance is transversely transferred and has a high diffusion rate. When the low-temperature cigarette adopts a peripheral heating or central heating mode, the heat conductivity coefficient and the heat diffusion coefficient of the tobacco sheets in the cigarette directly determine the heat transfer rate in the tobacco sheets and the volatilization rate and the volatilization amount of flavor substances in the tobacco during smoking. According to the test results in table 1, the heat conductive performance of the heat conductive tobacco sheets of examples 1 to 3 is significantly improved as compared with the conventional thick paste method sheet, and the heat conductivity and the heat diffusion coefficient are further improved as the addition ratio of the heat conductive material is increased. When the adding proportion of the heat conduction materials in the thin sheet is 4.2%, 8.5% and 10.8%, the heat conduction coefficients of the thin sheet are respectively improved by 32.7%, 55.0% and 75.2% compared with the thin sheet prepared by the conventional thick slurry method, and the heat diffusion coefficients are respectively improved by 9.2%, 13.8% and 16.9%. Compared with the conventional paper-making sheet, the heat-conducting performance of the heat-conducting tobacco sheets in the embodiments 4 to 6 is also obviously improved, when the adding proportion of the heat-conducting materials in the sheets is 5.6%, 9.9% and 11.5%, the heat-conducting coefficients are respectively improved by 24.5%, 62.0% and 96.3%, and the heat diffusion coefficients are respectively improved by 9.5%, 19.0% and 22.2%.
Using the same low-temperature cigarette paper, filter tips and other auxiliary materials, preparing disordered tobacco shred low-temperature cigarettes by using conventional thick paste method sheets, papermaking method sheets and the heat-conducting tobacco sheets of the examples 1-6, placing the cigarettes in a 350 ℃ heating non-combustion cigarette heater for heating, smoking by using a smoking machine, smoking 7 mouths each cigarette at intervals of 30s, wherein the single-mouth smoking capacity is 35ml, and detecting the total particulate matter of the mainstream smoke of each cigarette. Table 2 shows the detection results of the total particulate matters in the mainstream smoke of each cigarette sample, and the analysis results show that the total particulate matters in the mainstream smoke of the low-temperature non-burning cigarettes prepared by the heat-conducting thick slurry method sheet added with the heat-conducting material are obviously increased by 7-16% compared with the conventional thick slurry method sheet; compared with the conventional paper-making method sheet, the total particulate matter of the mainstream smoke of the low-temperature non-burning cigarette prepared by the heat-conducting paper-making method sheet added with the heat-conducting material is also obviously increased by 10-18%. The analysis results of the different examples show that the total particulate matter release amount increases with the addition amount of the heat conductive material. The heat-conducting tobacco sheet disclosed by the invention is applied to low-temperature cigarettes, so that the heat-conducting property of the sheet can be effectively improved, the smoke release amount is improved, and the requirements of consumers are better met.
Table 2 tobacco sheets without added heat transfer material and low temperature smoke mainstream smoke tar release amounts made with heat transfer tobacco sheets of different examples
Claims (10)
1. A preparation method of a heat-conducting tobacco sheet for cigarettes is characterized in that a binder, tobacco powder and a heat-conducting material are added into tobacco sheet paper pulp prepared by a thick pulp method, the mixture is stirred to form slurry, and the slurry is dried to prepare the heat-conducting tobacco sheet.
2. The method of claim 1, wherein the mass of the thermally conductive material is 3% to 15% of the mass of the thermally conductive tobacco sheet.
3. The method according to claim 1, wherein the one or more of aluminum nitride powder, aluminum oxide powder, boron nitride powder, and silicon carbide powder is used.
4. A preparation method of a heat-conducting tobacco sheet for cigarettes is characterized in that a papermaking method is used for preparing the heat-conducting tobacco sheet, and the preparation method is characterized in that a coating liquid consisting of a heat-conducting material, superfine tobacco powder and a binder is coated on the surface of a tobacco sheet substrate in an extraction mode, the coating liquid is dried after extraction to prepare the heat-conducting tobacco sheet, and the particle size of the superfine tobacco powder is 800 meshes.
5. A preparation method of a heat-conducting tobacco sheet for cigarettes is characterized in that a papermaking method is used for preparing the heat-conducting tobacco sheet, and the preparation method is characterized in that a coating liquid consisting of a heat-conducting material, tobacco stem extract, superfine tobacco powder and a binder is coated on the surface of a tobacco sheet substrate, and the coating liquid is dried to prepare the heat-conducting tobacco sheet, wherein the particle size of the superfine tobacco powder is 800 meshes.
6. The method of claim 5, wherein said tobacco stem extract is a water extract of tobacco stem.
7. The preparation method according to claim 5 or 6, wherein the solid substance obtained by extracting the tobacco stems with water is defibered and pulped, and is mixed with the additional fiber pulp which has been defibered and pulped, and is then uniformly mixed with 60-80 mesh tobacco powder, and the tobacco sheet substrate is obtained by papermaking with a paper machine, squeezing, dewatering and drying.
8. A heat-conductive tobacco sheet for cigarette use obtained by the production method according to any one of claims 1 to 7.
9. Use of the heat-conductive tobacco sheet for cigarettes according to claim 8 for a low-temperature heating type cigarette.
10. The use of claim 1, wherein the low temperature heating-type cigarette is heated using a heat source at 200 ℃ and 300 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810642537.6A CN110623296A (en) | 2018-06-21 | 2018-06-21 | Heat-conducting tobacco sheet for cigarettes and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810642537.6A CN110623296A (en) | 2018-06-21 | 2018-06-21 | Heat-conducting tobacco sheet for cigarettes and preparation method and application thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111543669A (en) * | 2020-06-10 | 2020-08-18 | 河南中烟工业有限责任公司 | Preparation method of cigarette sheet without burning by heating |
| CN112155247A (en) * | 2020-09-04 | 2021-01-01 | 安徽集友广誉科技有限公司 | Plant slice, preparation method and cigarette substitute |
| CN113475735A (en) * | 2021-07-08 | 2021-10-08 | 河南卷烟工业烟草薄片有限公司 | Tobacco base material for electromagnetic heating cigarette and preparation method of cigarette |
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| EP1726224A1 (en) * | 2005-05-26 | 2006-11-29 | Iberpapel, S. L. | Method for gumming reconstituted tobacco sheets |
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| CN105249519A (en) * | 2015-11-13 | 2016-01-20 | 中国烟草总公司郑州烟草研究院 | Reconstituted tobacco coating liquid preparing method suitable for novel cigarette |
| CN107259632A (en) * | 2017-05-27 | 2017-10-20 | 浙江中烟工业有限责任公司 | Heating non-combustion-type tobacco article substrate prepared by a kind of use aluminum oxide and preparation method thereof |
| CN107319628A (en) * | 2017-05-27 | 2017-11-07 | 浙江中烟工业有限责任公司 | One kind is applied to heat incombustible tobacco matrixes and preparation method thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1726224A1 (en) * | 2005-05-26 | 2006-11-29 | Iberpapel, S. L. | Method for gumming reconstituted tobacco sheets |
| CN101011182A (en) * | 2007-02-16 | 2007-08-08 | 湖南中烟工业公司 | Tobacco sheet producing process using improved paper making method |
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| CN107259632A (en) * | 2017-05-27 | 2017-10-20 | 浙江中烟工业有限责任公司 | Heating non-combustion-type tobacco article substrate prepared by a kind of use aluminum oxide and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111543669A (en) * | 2020-06-10 | 2020-08-18 | 河南中烟工业有限责任公司 | Preparation method of cigarette sheet without burning by heating |
| CN112155247A (en) * | 2020-09-04 | 2021-01-01 | 安徽集友广誉科技有限公司 | Plant slice, preparation method and cigarette substitute |
| CN113475735A (en) * | 2021-07-08 | 2021-10-08 | 河南卷烟工业烟草薄片有限公司 | Tobacco base material for electromagnetic heating cigarette and preparation method of cigarette |
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Application publication date: 20191231 |