CN110663985A - Reconstituted tobacco with low combustion speed and preparation method thereof - Google Patents
Reconstituted tobacco with low combustion speed and preparation method thereof Download PDFInfo
- Publication number
- CN110663985A CN110663985A CN201911118213.3A CN201911118213A CN110663985A CN 110663985 A CN110663985 A CN 110663985A CN 201911118213 A CN201911118213 A CN 201911118213A CN 110663985 A CN110663985 A CN 110663985A
- Authority
- CN
- China
- Prior art keywords
- tobacco
- reconstituted tobacco
- concentrated solution
- waste material
- solution
- 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.)
- Granted
Links
- 241000208125 Nicotiana Species 0.000 title claims abstract description 78
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 78
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000000654 additive Substances 0.000 claims abstract description 26
- 230000000996 additive effect Effects 0.000 claims abstract description 26
- 239000011248 coating agent Substances 0.000 claims abstract description 22
- 238000000576 coating method Methods 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 21
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims abstract description 20
- 239000002131 composite material Substances 0.000 claims abstract description 20
- 239000002699 waste material Substances 0.000 claims abstract description 19
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims abstract description 18
- 235000019838 diammonium phosphate Nutrition 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims abstract description 10
- 235000017557 sodium bicarbonate Nutrition 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims abstract description 9
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 4
- 239000000243 solution Substances 0.000 claims description 58
- 238000000034 method Methods 0.000 claims description 13
- 239000007864 aqueous solution Substances 0.000 claims description 7
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 4
- 108090000790 Enzymes Proteins 0.000 claims description 4
- 102000004190 Enzymes Human genes 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004202 carbamide Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims 4
- 229960001484 edetic acid Drugs 0.000 claims 2
- 239000003205 fragrance Substances 0.000 abstract 1
- 235000019504 cigarettes Nutrition 0.000 description 19
- 239000002994 raw material Substances 0.000 description 10
- 239000012535 impurity Substances 0.000 description 8
- 238000002137 ultrasound extraction Methods 0.000 description 8
- 238000000605 extraction Methods 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 235000013599 spices Nutrition 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000006228 supernatant Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 229940088598 enzyme Drugs 0.000 description 3
- 230000000391 smoking effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 108010059892 Cellulase Proteins 0.000 description 1
- 108010073178 Glucan 1,4-alpha-Glucosidase Proteins 0.000 description 1
- 102100022624 Glucoamylase Human genes 0.000 description 1
- 108010059820 Polygalacturonase Proteins 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229940106157 cellulase Drugs 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 108010093305 exopolygalacturonase Proteins 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical group O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- 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
- A24B15/24—Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Tobacco Products (AREA)
Abstract
The invention discloses reconstituted tobacco with low burning speed, which comprises a composite additive component for reducing the burning speed, wherein the composite additive comprises the following components: 10-90 parts of diammonium hydrogen phosphate and 10-90 parts of sodium bicarbonate, and also provides a preparation method of the reconstituted tobacco with low combustion speed, which is characterized by comprising the following steps: s1, extracting and concentrating a tobacco waste material through an extracting solution to obtain a tobacco waste material concentrated solution; s2, adding a composite additive into the concentrated solution of the tobacco waste material, stirring and filtering to obtain a filtered concentrated solution, wherein the composite additive comprises diammonium hydrogen phosphate and sodium bicarbonate; s3, obtaining a coating liquid mixed with the filtering concentrated solution; and S4, coating the coating liquid on the substrate, drying and slicing to obtain the reconstituted tobacco with low combustion speed, reducing the combustion speed of the reconstituted tobacco, ensuring the complete combustion of the reconstituted tobacco, and having soft taste and mellow fragrance.
Description
Technical Field
The invention relates to the field of paper-making reconstituted tobacco, in particular to low-burning-speed reconstituted tobacco and a preparation method thereof.
Background
The paper-making method reconstituted tobacco is a sheet-shaped or thread-shaped regenerated product prepared by taking waste tobacco stems, tobacco powder, low-grade tobacco leaves and the like in the cigarette production process as raw materials through the same flow as paper making. The additive is added into cigarettes, so that on one hand, the cost of the cigarettes can be properly reduced; on the other hand, the physical properties and chemical components of the cigarette can be adjusted to a certain degree, and the tar content is reduced, so that the quality of the cigarette is improved.
The preparation process comprises the steps of paper-making reconstituted tobacco, namely, tobacco stems, tobacco powder and low-grade tobacco leaves are used as raw materials, the extracted raw materials and an extraction liquid are separated after soaking and extraction, the extracted raw materials are added with fibers and then pulped, a paper machine is used for preparing a substrate with a high filling value by a method similar to paper making, meanwhile, the extraction liquid is concentrated to form a concentrated solution, essence and spice are added and then coated on the formed substrate, and the reconstituted tobacco is prepared after drying and slicing.
The reconstituted tobacco is finally added into a cigarette containing tobacco leaves or cut tobacco according to a certain proportion for combustion, the combustion speed of the cigarette is too high, which can cause incomplete combustion of the tobacco leaves, and the smoking time of consumers with too high combustion speed is short, the experience is poor.
Disclosure of Invention
In order to solve the problems, the invention provides the reconstituted tobacco with low combustion speed and the preparation method thereof, which reduce the combustion speed of the reconstituted tobacco, prolong the smoking time of the reconstituted tobacco, ensure the complete combustion of the tobacco leaves or tobacco shreds in cigarettes, remove the limitation of the doping proportion of combustible tobacco leaves, enrich the cigarette product categories and improve the use experience of consumers.
The technical scheme of the invention is that the low-burning-speed reconstituted tobacco comprises a composite additive component for reducing burning speed, wherein the composite additive comprises the following components: 10-90 parts of diammonium hydrogen phosphate and 10-90 parts of sodium bicarbonate.
Preferably, the composite additive comprises 10wt% to 90wt% of diammonium hydrogen phosphate, or comprises 10wt% to 90wt% of sodium bicarbonate, based on 100wt% of the mass of the composite additive.
The preparation method of the reconstituted tobacco with low burning speed is also provided, and is characterized by comprising the following steps:
s1, extracting and concentrating a tobacco waste material through an extracting solution to obtain a tobacco waste material concentrated solution;
s2, adding a composite additive into the concentrated solution of the tobacco waste material, stirring and filtering to obtain a filtered concentrated solution, wherein the composite additive comprises diammonium hydrogen phosphate and sodium bicarbonate;
s3, obtaining a coating liquid mixed with the filtering concentrated solution;
and S4, coating the coating liquid on the substrate, drying and slicing to obtain the reconstituted tobacco with low combustion speed.
Preferably, the extracting solution comprises one or more of EDTA aqueous solution, urea-coated agent aqueous solution and complex enzyme solution, the extracting temperature is 40-60 ℃, and the extracting time is 4-6 h.
Preferably, the composite additive comprises 10wt% to 90wt% of diammonium hydrogen phosphate, or comprises 10wt% to 90wt% of sodium bicarbonate, based on 100wt% of the mass of the composite additive.
Preferably, the concentration of the tobacco waste material concentrated solution is 35-45%.
Preferably, the feeding ratio of the composite additive to the tobacco waste material is 5-20: 50.
Preferably, the stirring speed of S2 is 300-500r/min, and the stirring time is at least 5 min.
The scheme is that a mixture of diammonium hydrogen phosphate and sodium bicarbonate is added into a tobacco waste material concentrated solution as a composite additive for reducing the combustion speed so as to reduce the combustion speed of cigarettes, and the mechanism is that the diammonium hydrogen phosphate has a boiling point of 155 ℃ and is decomposed at the temperature, the tobacco shred temperature is 230 plus one year when the cigarettes are lit, decomposition products are phosphoric acid and ammonia gas, the phosphoric acid and phosphorus pentoxide form a gas film to block oxygen and reduce the combustion speed, the phosphoric acid and the sodium bicarbonate react to generate carbon dioxide and water, the temperature of moisture is reduced, the combustion speed is reduced, meanwhile, combustion byproducts form a layer of non-combustible protective film to cover on tobacco leaves, and air is isolated so as to reduce the combustion speed.
The invention has the beneficial effects that:
1. the mixed additive is added in the preparation process of the coating liquid, so that the burning speed of the reconstituted tobacco is reduced, the burning speed of the cigarette is reduced, the smoking time of the cigarette is prolonged, and the tobacco leaves or tobacco shreds in the cigarette can be more fully burned;
3. by adjusting the addition amount of the composite additive and controlling the combustion speed, the limit of the mixing proportion or variety of combustible tobacco leaves is removed, the cigarette product categories are enriched, the selection diversity of the flavor and the taste of the cigarette is increased, and the use experience of consumers is improved;
4. the burning speed of the cigarette is controlled by independently regulating and controlling the burning speed of the reconstituted tobacco, and factors such as cigarette paper materials and the like do not need to be prepared, so that the process is simplified, and the production efficiency is improved.
Detailed Description
In order to make the present invention more comprehensible, the technical solutions of the present invention are further described below with reference to specific embodiments, but the present invention is not limited thereto.
Example 1
Carrying out manual impurity removal on the tobacco waste material, carrying out pretreatment of stem washing, and airing;
weighing 500g of raw materials after impurity removal, putting the raw materials into 5L of extracting solution, carrying out ultrasonic extraction at 40-60 ℃ with the extracting solution being 0.12% of EDTA aqueous solution, wherein the ultrasonic extraction frequency is 3KHz-5KHz, the extraction time is 4-6h, and carrying out solid-liquid separation treatment to obtain an extracting solution;
centrifuging the extract solution at 12000r/min by a butterfly centrifuge for 3-5min to reduce the residue content, and collecting the supernatant;
concentrating the purified extract liquor to 35% by using a double-effect climbing-film evaporator to obtain a concentrated solution;
uniformly stirring 50g of a mixture of diammonium hydrogen phosphate and sodium bicarbonate, then adding the concentrated solution, and continuously stirring for 5min, wherein the mass ratio of the diammonium hydrogen phosphate to the sodium bicarbonate is 1:9, so as to obtain a mixed concentrated solution;
filtering the mixed concentrated solution by a rectangular sieve of 200 meshes to obtain a filtered concentrated solution; and adding essence and spice into the filtered concentrated solution to prepare coating liquid according to paper-making reconstituted tobacco process specifications, and coating the coating liquid on a formed substrate to prepare the reconstituted tobacco, namely the low-combustion-speed reconstituted tobacco.
Example 2
Carrying out manual impurity removal on the tobacco waste material, carrying out pretreatment of stem washing, and airing;
weighing 500g of the raw materials after impurity removal, putting into 2.5L of extracting solution, wherein the extracting solution is 2% aqueous solution of a urea bag agent, carrying out ultrasonic extraction at 40-60 ℃, wherein the ultrasonic extraction frequency is 3KHz-5KHz, the extraction time is 4-6h, and carrying out solid-liquid separation treatment to obtain an extracting solution;
centrifuging the extract solution at 12000r/min by a butterfly centrifuge for 3-5min to reduce the residue content, and collecting the supernatant;
concentrating the purified extract liquor to 40% by using a double-effect climbing-film evaporator to obtain a concentrated solution;
uniformly stirring 100g of a mixture of diammonium hydrogen phosphate and sodium bicarbonate, then adding the concentrated solution, and continuously stirring for 5min, wherein the mass ratio of diammonium hydrogen phosphate to sodium bicarbonate is 1: 1, obtaining a mixed concentrated solution;
filtering the mixed concentrated solution by a rectangular sieve of 200 meshes to obtain a filtered concentrated solution; and adding essence and spice into the filtered concentrated solution to prepare coating liquid according to paper-making reconstituted tobacco process specifications, and coating the coating liquid on a formed substrate to prepare the reconstituted tobacco, namely the low-combustion-speed reconstituted tobacco.
Example 3
Carrying out manual impurity removal on the tobacco waste material, carrying out pretreatment of stem washing, and airing;
weighing 500g of raw materials after impurity removal, putting the raw materials into 1L of extracting solution, wherein the extracting solution is a complex enzyme solution, the complex enzyme comprises pectinase, glucoamylase and cellulase, carrying out ultrasonic extraction at 40-60 ℃, wherein the ultrasonic extraction frequency is 3KHz-5KHz, the extraction time is 4-6h, and carrying out solid-liquid separation treatment to obtain an extracting solution;
centrifuging the extract solution at 12000r/min by a butterfly centrifuge for 3-5min to reduce the residue content, and collecting the supernatant;
concentrating the purified extract liquor to 45% by using a double-effect climbing-film evaporator to obtain a concentrated solution;
uniformly stirring 200g of a mixture of diammonium hydrogen phosphate and sodium bicarbonate, adding the concentrated solution, and continuously stirring for 5min, wherein the mass ratio of the diammonium hydrogen phosphate to the sodium bicarbonate is 9: 1, obtaining a mixed concentrated solution;
filtering the mixed concentrated solution by a rectangular sieve of 200 meshes to obtain a filtered concentrated solution; and adding essence and spice into the filtered concentrated solution to prepare coating liquid according to paper-making reconstituted tobacco process specifications, and coating the coating liquid on a formed substrate to prepare the reconstituted tobacco, namely the low-combustion-speed reconstituted tobacco.
Example 4
Carrying out manual impurity removal on the tobacco waste material, carrying out pretreatment of stem washing, and airing;
weighing 500g of the raw materials after impurity removal, putting into 2.5L of extracting solution, wherein the extracting solution is 2% aqueous solution of a urea bag agent, carrying out ultrasonic extraction at 40-60 ℃, wherein the ultrasonic extraction frequency is 3KHz-5KHz, the extraction time is 4-6h, and carrying out solid-liquid separation treatment to obtain an extracting solution;
centrifuging the extract solution at 12000r/min by a butterfly centrifuge for 3-5min to reduce the residue content, and collecting the supernatant;
concentrating the purified extract liquor to 40% by using a double-effect climbing-film evaporator to obtain a concentrated solution;
filtering the concentrated solution by a rectangular sieve of 200 meshes to obtain filtered concentrated solution; and adding essence and spice into the filtered concentrated solution to prepare coating liquid according to paper-making reconstituted tobacco process specifications, and coating the coating liquid on a formed substrate to prepare the reconstituted tobacco, namely the low-combustion-speed reconstituted tobacco.
Example 5
The reconstituted tobacco finally obtained in the examples 1 to 4 is shredded and put into a constant temperature and humidity box for balancing for 24 hours to prepare cigarettes, and the test results are as follows:
| sample (I) | Burning rate (mm/min) |
| Example 1 | 9.72 |
| Example 2 | 7.68 |
| Example 3 | 6.5 |
| Example 4 | 10.58 |
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (8)
1. The reconstituted tobacco with low burning speed is characterized by comprising a composite additive component for reducing the burning speed, wherein the composite additive comprises the following components: 10-90 parts of diammonium hydrogen phosphate and 10-90 parts of sodium bicarbonate.
2. The reconstituted tobacco with low combustion speed according to claim 1, wherein the compound additive comprises 10wt% to 90wt% of diammonium hydrogen phosphate or 10wt% to 90wt% of sodium bicarbonate, based on 100wt% of the mass of the compound additive.
3. The method for preparing the reconstituted tobacco with low burning speed according to claim 1, which is characterized by comprising the following steps:
s1, extracting and concentrating a tobacco waste material through an extracting solution to obtain a tobacco waste material concentrated solution;
s2, adding a composite additive into the concentrated solution of the tobacco waste material, stirring and filtering to obtain a filtered concentrated solution, wherein the composite additive comprises diammonium hydrogen phosphate and sodium bicarbonate;
s3, obtaining a coating liquid mixed with the filtering concentrated solution;
and S4, coating the coating liquid on the substrate, drying and slicing to obtain the reconstituted tobacco with low combustion speed.
4. The method for preparing the reconstituted tobacco with the low combustion speed according to claim 3, wherein the extracting solution comprises one or more of EDTA (ethylene diamine tetraacetic acid) aqueous solution, urea-coated agent aqueous solution and complex enzyme solution, the extracting temperature is 40-60 ℃, and the extracting time is 4-6 h.
5. The method for preparing the reconstituted tobacco with low combustion speed according to claim 3, wherein the compound additive comprises 10wt% -90wt% of diammonium hydrogen phosphate or 10wt% -90wt% of sodium bicarbonate, wherein the mass of the compound additive is 100 wt%.
6. The method for preparing the reconstituted tobacco with the low combustion speed according to claim 3, wherein the concentration of the tobacco waste material concentrated solution is 35-45%.
7. The method for preparing the reconstituted tobacco with the low combustion speed according to claim 3, wherein the feeding ratio of the composite additive to the tobacco waste material is 5-20: 50.
8. The method for preparing the reconstituted tobacco with low burning speed as claimed in claim 3, wherein the stirring speed of S2 is 500r/min and the stirring time is at least 5 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911118213.3A CN110663985B (en) | 2019-11-15 | 2019-11-15 | Reconstituted tobacco with low combustion speed and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911118213.3A CN110663985B (en) | 2019-11-15 | 2019-11-15 | Reconstituted tobacco with low combustion speed and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110663985A true CN110663985A (en) | 2020-01-10 |
| CN110663985B CN110663985B (en) | 2021-09-17 |
Family
ID=69087871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911118213.3A Active CN110663985B (en) | 2019-11-15 | 2019-11-15 | Reconstituted tobacco with low combustion speed and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110663985B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2196659A (en) * | 1986-10-25 | 1988-05-05 | Derek Aubrey Thacker | Fire retardant composition |
| CN101766327A (en) * | 2008-12-26 | 2010-07-07 | 湖北中烟工业有限责任公司 | Extraction method of the tobacco thin slice production of paper process |
| CN106376971A (en) * | 2016-09-22 | 2017-02-08 | 内蒙古昆明卷烟有限责任公司 | Cigarette with cut tobaccos being cut reconstituted tobaccos and cut tobacco stems |
-
2019
- 2019-11-15 CN CN201911118213.3A patent/CN110663985B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2196659A (en) * | 1986-10-25 | 1988-05-05 | Derek Aubrey Thacker | Fire retardant composition |
| CN101766327A (en) * | 2008-12-26 | 2010-07-07 | 湖北中烟工业有限责任公司 | Extraction method of the tobacco thin slice production of paper process |
| CN106376971A (en) * | 2016-09-22 | 2017-02-08 | 内蒙古昆明卷烟有限责任公司 | Cigarette with cut tobaccos being cut reconstituted tobaccos and cut tobacco stems |
Non-Patent Citations (1)
| Title |
|---|
| 刘志昌等: "尿包萃取在造纸法烟草薄片生产中的应用研究", 《化学与生物工程》 * |
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| Publication number | Publication date |
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| CN110663985B (en) | 2021-09-17 |
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