CN108323793B - Core base material for heating non-combustible cigarette and preparation method thereof - Google Patents
Core base material for heating non-combustible cigarette and preparation method thereof Download PDFInfo
- Publication number
- CN108323793B CN108323793B CN201810141110.8A CN201810141110A CN108323793B CN 108323793 B CN108323793 B CN 108323793B CN 201810141110 A CN201810141110 A CN 201810141110A CN 108323793 B CN108323793 B CN 108323793B
- Authority
- CN
- China
- Prior art keywords
- sepiolite
- tobacco
- pulp
- mixing
- base material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- A24B15/16—Chemical features of tobacco products or tobacco substitutes of 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Tobacco Products (AREA)
Abstract
The invention relates to a core base material for heating non-combustible cigarettes and a preparation method thereof, wherein the method comprises the following steps: step (1), pretreating raw materials; step (2), pulping and concentrating the extracting solution; step (3), preparing sepiolite fine powder and sepiolite fine fiber; step (4), sheet making; step (5), preparing a coating liquid; and (6) coating the substrate. The method is simple and efficient, the operability is strong, and the prepared core base material has good sensory quality and good processing performance.
Description
Technical Field
The invention relates to a core base material of a cigarette, in particular to a core base material of a cigarette which is not combusted by heating, and also relates to a preparation method thereof, belonging to the field of tobacco.
Background
In recent years, the global smoke control environment is getting more and more severe, consumers pay more and more attention to health, novel tobacco products which greatly reduce the release amount of harmful components of tobacco quickly become the development focus of tobacco industries of various vehicles in the world, and the market share is gradually increased. The principle of heating a non-combustible cigarette is that tobacco shreds are heated by a special heat source (the heating temperature is 330-.
The reconstituted tobacco prepared by the paper-making method has better stability, good transmission rate to nicotine and glycerin and easier generation of aerosol to form smoke, so that the reconstituted tobacco becomes an important core base material for heating non-combustible cigarettes, and the heating non-combustible cigarettes put forward higher requirements on high tensile strength, high absorptivity and high temperature resistance for the reconstituted tobacco.
The natural sepiolite is a natural inorganic fiber raw material, has certain paper forming strength similar to paper pulp fiber, and has good adsorbability and thermal stability. A brand new core base material suitable for heating non-burning cigarettes is prepared by using natural sepiolite.
Disclosure of Invention
In order to meet higher requirements and solve the blank existing in the prior art, the invention aims to provide a core base material for heating non-burning cigarettes and a preparation method thereof, and the specific scheme is as follows:
a preparation method of a core substrate of a heating non-combustion cigarette comprises the following steps:
step (1), pretreating raw materials
Weighing raw materials according to a material-liquid ratio of 1: 6-1: 8, mixing, extracting, and carrying out solid-liquid separation to obtain residues and an extracting solution;
step (2), pulping, concentrating the extracting solution
Pulping the residue obtained in the step (1) to obtain pulp of 30-40 DEG SR; concentrating the extracting solution obtained in the step (1) to obtain a concentrated solution;
step (3) of preparing sepiolite fine powder and sepiolite fine fiber
Taking natural sepiolite, and separating by using a vibrating screen to obtain coarse sepiolite powder and coarse sepiolite fibers preliminarily; pulverizing the sepiolite coarse powder to 80-150 meshes to obtain sepiolite fine powder;
soaking the coarse sepiolite fibers in clear water with the mass of 8-10 times for 3-10 h, stirring, carrying out ultrasonic treatment for 30-50 min, removing insoluble substances at the bottom layer, taking upper-layer suspension, carrying out centrifugal separation on the suspension, and removing upper-layer water to obtain sepiolite fine fibers;
step (4), sheet making
Mixing the sepiolite fine fibers obtained in the step (3) and the softwood pulp in a mass ratio of 1: 1-3 mixing to obtain non-tobacco pulp, and mixing the non-tobacco pulp: the mass ratio of the tobacco pulp is 3: 7-10, preparing pulp, namely the tobacco pulp obtained in the step (2), and making paper and drying by a conventional method to obtain a film base;
step (5) preparation of coating liquid
Adding a fuming agent with the mass fraction of 15-45% into the concentrated solution obtained in the step (2), adding the sepiolite fine powder obtained in the step (3) with the mass fraction of 5-15%, and uniformly mixing to obtain a coating liquid;
step (6), coating the base
And (3) coating the film base in the step (4) by using the coating liquid in the step (5), drying at 80-120 ℃, spraying and perfuming, and drying to obtain the core base material of the cigarette which is not burnt under heating.
Further, in the step (1), the raw material is a mixture of tobacco fragments and at least one of tobacco powder and tobacco stems, wherein the content of the tobacco fragments is more than 40%.
Further, in the step (1), the extraction process comprises the following steps: extracting at 60-80 deg.C for 30min for 2 times, performing extrusion solid-liquid separation to obtain residue and extractive solution, and mixing the residue and extractive solution.
Further, in the step (2), the extract is concentrated at 45 to 60 ℃.
Further, in the step (3), separation is performed using a 60-mesh vibrating screen.
Further, in the step (5), the smoke agent is prepared from the following components in a mass ratio of 10: 1 glycerol and propylene glycol.
Further, in the step (6), the flue-cured tobacco leaf alcohol extract is sprayed and flavored, and the volume percentage of the tobacco leaf alcohol extract is 60-80%. The tobacco leaf alcohol extract is prepared by extracting tobacco leaves with a mixture of water and ethanol, wherein the volume percentage of the ethanol is 60-80%.
The invention relates to the core base material of the cigarette which is not burned by heating and is obtained by the preparation method.
Compared with the prior art, the invention has the following beneficial effects:
the method is simple and efficient, and has strong operability, and the prepared core base material has sufficient smoke quantity, soft smoke, good fine sense, sufficient fragrance quantity, good richness of the smoke, light miscellaneous gas and good sensory quality; meanwhile, the prepared core base material has tensile strength of more than 1.3 kN/m, and has good processing performance compared with the existing common reconstituted tobacco (the tensile strength is generally less than 1.0 kN/m).
Detailed Description
The following will clearly and completely describe the technical solutions in the embodiments, and it is obvious that the described embodiments are only a part of examples of the present invention, and not all examples. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
The preparation method of the core base material of the cigarette without burning by heating comprises the following steps:
step (1), pretreating raw materials
According to the tobacco fragments: tobacco powder: the mass ratio of tobacco stems is 5: 2: 3, weighing and mixing the raw materials, and mixing the raw materials with water according to a material-liquid ratio of 1: 6 mixing, and then extracting, wherein the extraction process comprises the following steps: extracting at 65 deg.C for 30min for 2 times, performing extrusion solid-liquid separation to obtain residue and extractive solution, and mixing the residue and extractive solution.
Step (2), pulping, concentrating the extracting solution
Pulping the residue obtained in the step (1) to obtain pulp with the pulp degree of about 32-degree SR; concentrating the extracting solution obtained in the step (1) at about 48 ℃ to obtain a concentrated solution;
step (3) of preparing sepiolite fine powder and sepiolite fine fiber
Taking natural sepiolite, and separating by using a 60-mesh vibrating screen to obtain coarse sepiolite powder and coarse sepiolite fibers preliminarily; pulverizing the sepiolite coarse powder to 80 meshes to obtain sepiolite fine powder;
soaking the coarse sepiolite fibers in clear water with the mass being 8 times of that of the sepiolite fibers for 3 hours, stirring, carrying out ultrasonic treatment for 30min, removing insoluble substances at the bottom layer, taking upper-layer suspension, carrying out centrifugal separation on the suspension, and removing upper-layer water to obtain sepiolite fine fibers;
step (4), sheet making
Mixing the sepiolite fine fibers obtained in the step (3) and the softwood pulp in a mass ratio of 1: 1 mixing to obtain non-tobacco pulp, and mixing the non-tobacco pulp: the mass ratio of the tobacco pulp is 3: 10, preparing pulp, namely the tobacco pulp obtained in the step (2), and performing papermaking and drying by a conventional method to obtain a film base;
step (5) preparation of coating liquid
Adding a smoke agent with the mass fraction of 15% into the concentrated solution obtained in the step (2), wherein the mass ratio of the smoke agent is 10: 1, adding 5% by mass of the sepiolite fine powder obtained in the step (3) into glycerol and propylene glycol, and uniformly mixing to obtain a coating liquid;
step (6), coating the base
And (3) coating the base sheet obtained in the step (4) with the coating liquid obtained in the step (5), drying at about 85 ℃, spraying and perfuming with 75% alcohol extract of flue-cured tobacco leaves, and drying to obtain the core base material of the cigarette which is not burnt under heating.
The tensile strength of the core base material was measured by a conventional tensile strength test method (YCT 16.3-2003) to give a tensile strength of 1.35 kN/m.
The core base material of the embodiment is prepared into a cigarette which is not combusted by heating according to a conventional process, and the cigarette is evaluated, so that the cigarette has sufficient smoke quantity, soft smoke, good fine sense, sufficient aroma quantity, good richness of the cigarette aroma, light miscellaneous gas and good sensory quality.
Example 2
The preparation method of the core base material of the cigarette without burning by heating comprises the following steps:
step (1), pretreating raw materials
According to the tobacco fragments: tobacco powder: the mass ratio of tobacco stems is 4: 1: 5, weighing and mixing the raw materials, and mixing the raw materials with water according to a material-liquid ratio of 1: 8, mixing, and then extracting, wherein the extraction process comprises the following steps: extracting at about 75 deg.C for 2 times, each for 30min, performing extrusion solid-liquid separation to obtain residue and extractive solution, and mixing the residue and extractive solution.
Step (2), pulping, concentrating the extracting solution
Pulping the residue obtained in the step (1) to obtain pulp of about 38 DEG SR; concentrating the extracting solution obtained in the step (1) at about 55 ℃ to obtain a concentrated solution;
step (3) of preparing sepiolite fine powder and sepiolite fine fiber
Taking natural sepiolite, and separating by using a 60-mesh vibrating screen to obtain coarse sepiolite powder and coarse sepiolite fibers preliminarily; pulverizing the sepiolite coarse powder to 150 meshes to obtain sepiolite fine powder;
soaking the coarse sepiolite fibers in clear water with the mass being 10 times of that of the sepiolite fibers for 9 hours, stirring, carrying out ultrasonic treatment for 40 min, removing insoluble substances at the bottom layer, taking upper-layer suspension, carrying out centrifugal separation on the suspension, and removing upper-layer water to obtain sepiolite fine fibers;
step (4), sheet making
Mixing the sepiolite fine fibers obtained in the step (3) and the softwood pulp in a mass ratio of 1: 3 mixing to obtain non-tobacco pulp, and mixing the non-tobacco pulp: the mass ratio of the tobacco pulp is 3: 8, preparing pulp, namely the tobacco pulp obtained in the step (2), and performing papermaking and drying by a conventional method to obtain a film base;
step (5) preparation of coating liquid
Adding a smoke agent with the mass fraction of 40% into the concentrated solution obtained in the step (2), wherein the mass ratio of the smoke agent is 10: 1, adding 12% by mass of the sepiolite fine powder obtained in the step (3) into glycerol and propylene glycol, and uniformly mixing to obtain a coating liquid;
step (6), coating the base
And (3) coating the base sheet obtained in the step (4) by using the coating liquid obtained in the step (5), drying at about 115 ℃, spraying and perfuming by using 60% alcohol extract of cured tobacco leaves, and drying to obtain the core base material of the cigarette which is not burnt under heating.
The tensile strength of the core base material was measured by a conventional tensile strength test method (YCT 16.3-2003) to give a tensile strength of 1.38 kN/m.
The core substrate of this example was prepared into a cigarette which was not burned by heating according to a conventional process, and smoking was performed thereon, and the result was similar to that of example 1.
Example 3
The preparation method of the core base material of the cigarette without burning by heating comprises the following steps:
step (1), pretreating raw materials
According to the tobacco fragments: tobacco powder: the mass ratio of tobacco stems is 4: 4: 2, weighing and mixing the raw materials, and mixing the raw materials with water according to a material-liquid ratio of 1: 7 mixing, and then extracting, wherein the extraction process comprises the following steps: extracting at about 70 deg.C for 2 times, each for 30min, performing extrusion solid-liquid separation to obtain residue and extractive solution, and mixing the residue and extractive solution obtained by two times.
Step (2), pulping, concentrating the extracting solution
Pulping the residue obtained in the step (1) to obtain pulp of which the pulp is about 35 DEG SR; concentrating the extracting solution obtained in the step (1) at about 50 ℃ to obtain a concentrated solution;
step (3) of preparing sepiolite fine powder and sepiolite fine fiber
Taking natural sepiolite, and separating by using a 60-mesh vibrating screen to obtain coarse sepiolite powder and coarse sepiolite fibers preliminarily; pulverizing the sepiolite coarse powder to 150 meshes to obtain sepiolite fine powder;
soaking the coarse sepiolite fibers in clear water with the mass being 9 times of that of the sepiolite fibers for 7 hours, stirring, carrying out ultrasonic treatment for 50 min, removing insoluble substances at the bottom layer, taking upper-layer suspension, carrying out centrifugal separation on the suspension, and removing upper-layer water to obtain sepiolite fine fibers;
step (4), sheet making
Mixing the sepiolite fine fibers obtained in the step (3) and the softwood pulp in a mass ratio of 1: 2 mixing to obtain non-tobacco pulp, and mixing the non-tobacco pulp: the mass ratio of the tobacco pulp is 3: 10, preparing pulp, namely the tobacco pulp obtained in the step (2), and performing papermaking and drying by a conventional method to obtain a film base;
step (5) preparation of coating liquid
Adding 30% of smoke agent by mass into the concentrated solution obtained in the step (2), wherein the mass ratio of the smoke agent is 10: 1, adding 8% by mass of the sepiolite fine powder obtained in the step (3) into glycerol and propylene glycol, and uniformly mixing to obtain a coating liquid;
step (6), coating the base
And (3) coating the base sheet obtained in the step (4) by using the coating liquid obtained in the step (5), drying at about 100 ℃, spraying and perfuming by using 80% alcohol extract of flue-cured tobacco leaves, and drying to obtain the core base material of the cigarette which is not burnt under heating.
The tensile strength of the core base material was measured by a conventional tensile strength test method (YCT 16.3-2003) to give a tensile strength of 1.4 kN/m.
The core substrate of this example was prepared into a cigarette which was not burned by heating according to a conventional process, and smoking was performed thereon, and the result was similar to that of example 1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A preparation method of a core base material of a cigarette which is not combusted by heating is characterized in that: the method comprises the following steps:
step (1), pretreating raw materials
Weighing tobacco raw materials, wherein the material-liquid ratio of the tobacco raw materials to water is 1: 6-1: 8, mixing, extracting, and carrying out solid-liquid separation to obtain residues and an extracting solution;
the raw material is a mixture of tobacco fragments and at least one of tobacco powder and tobacco stems, wherein the content of the tobacco fragments is more than 40%;
step (2), pulping, concentrating the extracting solution
Pulping the residue obtained in the step (1) to obtain pulp of 30-40 DEG SR; concentrating the extracting solution obtained in the step (1) to obtain a concentrated solution;
step (3) of preparing sepiolite fine powder and sepiolite fine fiber
Taking natural sepiolite, and separating by using a vibrating screen to obtain coarse sepiolite powder and coarse sepiolite fibers preliminarily; pulverizing the sepiolite coarse powder to 80-150 meshes to obtain sepiolite fine powder;
soaking the coarse sepiolite fibers in clear water with the mass of 8-10 times for 3-10 h, stirring, carrying out ultrasonic treatment for 30-50 min, removing insoluble substances at the bottom layer, taking upper-layer suspension, carrying out centrifugal separation on the suspension, and removing upper-layer water to obtain sepiolite fine fibers;
step (4), sheet making
Mixing the sepiolite fine fibers obtained in the step (3) and the softwood pulp in a mass ratio of 1: 1-3 mixing to obtain non-tobacco pulp, and mixing the non-tobacco pulp: the mass ratio of the tobacco pulp is 3: 7-10, preparing pulp, namely the tobacco pulp obtained in the step (2), and making paper and drying by a conventional method to obtain a film base;
step (5) preparation of coating liquid
Adding a fuming agent with the mass fraction of 15-45% into the concentrated solution obtained in the step (2), adding the sepiolite fine powder obtained in the step (3) with the mass fraction of 5-15%, and uniformly mixing to obtain a coating liquid;
step (6), coating the base
And (3) coating the film base in the step (4) by using the coating liquid in the step (5), drying at 80-120 ℃, spraying and perfuming, and drying to obtain the core base material of the cigarette which is not burnt under heating.
2. The method of claim 1, wherein: in the step (1), the extraction process comprises the following steps: extracting at 60-80 deg.C for 30min for 2 times, performing extrusion solid-liquid separation to obtain residue and extractive solution, and mixing the residue and extractive solution.
3. The method of claim 1, wherein: in the step (2), the extract is concentrated at 45-60 ℃.
4. The production method according to any one of claims 1 to 3, characterized in that: in the step (3), a 60-mesh vibrating screen is used for separation.
5. The production method according to any one of claims 1 to 3, characterized in that: in the step (5), the smoke agent is prepared from the following components in a mass ratio of 10: 1 glycerol and propylene glycol.
6. The production method according to any one of claims 1 to 3, characterized in that: in the step (6), the flue-cured tobacco leaf alcohol extract is sprayed and flavored, and the volume percentage of the tobacco leaf alcohol extract is 60-80%.
7. A core substrate for a heat-nonflammable cigarette obtained by the production method according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810141110.8A CN108323793B (en) | 2018-02-11 | 2018-02-11 | Core base material for heating non-combustible cigarette and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810141110.8A CN108323793B (en) | 2018-02-11 | 2018-02-11 | Core base material for heating non-combustible cigarette and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108323793A CN108323793A (en) | 2018-07-27 |
| CN108323793B true CN108323793B (en) | 2021-02-02 |
Family
ID=62929357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810141110.8A Active CN108323793B (en) | 2018-02-11 | 2018-02-11 | Core base material for heating non-combustible cigarette and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108323793B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109393542A (en) * | 2018-11-21 | 2019-03-01 | 云南瑞升烟草技术（集团）有限公司 | A kind of preparation method for the low temperature coffee odor type cigarette material heating the cigarette that do not burn |
| US11712059B2 (en) | 2020-02-24 | 2023-08-01 | Nicoventures Trading Limited | Beaded tobacco material and related method of manufacture |
| US12016369B2 (en) | 2020-04-14 | 2024-06-25 | Nicoventures Trading Limited | Regenerated cellulose substrate for aerosol delivery device |
| CN113957746B (en) * | 2020-07-20 | 2023-07-28 | 福建中烟工业有限责任公司 | Sepiolite composite paper, preparation method and application thereof |
| CN112741360A (en) * | 2021-01-08 | 2021-05-04 | 中烟施伟策（云南）再造烟叶有限公司 | High-quality center heating tobacco cigarette core material and preparation method thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5921800A (en) * | 1982-07-29 | 1984-02-03 | 棚橋 胖 | Fire retardant paper |
| CN101116530A (en) * | 2006-08-04 | 2008-02-06 | 湖南中烟工业公司 | Additive for reducing content of tar and carbon monoxide in cigarette smoke and application method thereof |
| CN101041938A (en) * | 2007-04-27 | 2007-09-26 | 南通烟滤嘴有限责任公司 | Manufacturing technology for acetate fibre paper |
| CN102894463B (en) * | 2012-11-08 | 2015-05-06 | 湖北中烟工业有限责任公司 | Method for preparing aroma-enhancing and harmful substance-reducing paper-making process reconstituted tobaccos |
| CN103141928B (en) * | 2012-12-31 | 2015-08-26 | 杭州利群环保纸业有限公司 | A kind of tobacco sheets by paper making method preparation method and manufactured goods thereof |
| CN103251125B (en) * | 2013-05-06 | 2015-11-18 | 杭州利群环保纸业有限公司 | The manufacture method of the functional papermaking-method reconstituted tobaccos of a kind of high-quality |
| CN105332277B (en) * | 2015-10-30 | 2017-10-24 | 深圳市联兴商贸实业有限公司 | A kind of special sepiolite fibre of papermaking and preparation method thereof |
| CN107212467A (en) * | 2017-06-29 | 2017-09-29 | 广东省金叶科技开发有限公司 | One kind heats cigarette cigarette core material and preparation method thereof of not burning |
| CN107495460B (en) * | 2017-08-17 | 2020-08-14 | 云南中烟工业有限责任公司 | Preparation method of papermulberry orange-flavored reconstituted tobacco |
-
2018
- 2018-02-11 CN CN201810141110.8A patent/CN108323793B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108323793A (en) | 2018-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108323793B (en) | Core base material for heating non-combustible cigarette and preparation method thereof | |
| CN108451054B (en) | Cigarette core material for heating non-combustion cigarette and preparation method thereof | |
| CN108451001B (en) | Dry-process reconstituted tobacco for heating non-combustible cigarettes and preparation method thereof | |
| CN105747266B (en) | Preparation method of cigarette rod without burning tobacco by heating | |
| AU2016328781B2 (en) | Reconstituted tobacco for devices that heat tobacco without burning it | |
| CN105747264B (en) | Activated carbon-containing heating non-combustible tobacco substrate and preparation method and application thereof | |
| CN105919152B (en) | Microcapsule-containing heating non-combustible tobacco substrate and preparation method and application thereof | |
| CN105105317A (en) | Strong-flavor type tobacco product being nonflammable while heating and preparation method thereof | |
| CN108887727B (en) | Papermaking-method heating non-combustible tobacco sheet and coating liquid, coating method and preparation method thereof | |
| CN113057363B (en) | Granular type tobacco core material and preparation method thereof | |
| CN112089086A (en) | Preparation process of reconstituted tobacco for heating cigarettes | |
| CN111067133B (en) | Preparation method of vinous low-temperature non-combustion reconstituted tobacco | |
| CN113508918B (en) | Preparation method of lasting multi-odor type heating non-combustible tobacco sheet | |
| CN108991589A (en) | Miscellaneous essence and its preparation method and application is covered for heating drop thorn in not burning tobacco | |
| CN111528514B (en) | Low-nicotine paper-making process reconstituted tobacco, preparation method and application thereof | |
| CN110720652A (en) | Preparation method and application of cut stems with high concentration | |
| CN112931920A (en) | Non-tobacco heating non-combustion sheet and preparation method thereof | |
| CN104473320A (en) | Water tobacco pulp preparation method for water smoking set | |
| CN111096470A (en) | Reconstituted tobacco containing lyocell fibers and tobacco product not burning by heating | |
| CN111449271A (en) | Smoke release particle material containing biomass fibers and preparation method thereof | |
| CN113115975A (en) | Pericarpium citri reticulatae-containing particle-type tobacco core material capable of being heated and not combusted and preparation method thereof | |
| CN111035042B (en) | Reconstituted tobacco containing lyocell fibers and tobacco product not burning by heating | |
| CN111096471B (en) | Reconstituted tobacco containing lyocell fibers and heating non-burning tobacco product | |
| CN113995166B (en) | Tobacco shred and preparation method thereof, fuming substrate and heating non-burning tobacco product | |
| CN111035043B (en) | Reconstituted tobacco containing lyocell fibers and heating non-burning tobacco product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |