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
  • A24B13/00—Tobacco for pipes, for cigars, e.g. cigar inserts, or for cigarettes; Chewing tobacco; Snuff
• • 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
• • 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
• • 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
• • 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
  • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
  • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances

Definitions

• the present disclosure relates to the technical field of cigarettes, in particular to the field of the preparation of a new tobacco and sheets thereof.
• Tobacco sheets were adopted as a reprocessing technology in the 1960s to address the reuse of waste materials during tobacco processing.
• tobacco sheets begin to play an important role. Due to their more easily adjustable chemical composition and combustion properties compared to traditional tobacco leaves, tobacco sheets have been endowed with the function of reducing tar and harm, and they are used as a functional carrier or a main material to improve the combustion state of cigarettes and adjust the chemical composition of smoke.
• tobacco sheets have become the main smoking materials of heated cigarettes, and their functional role has been further expanded.
• the methods of preparing tobacco sheets mainly include thick paste method, roll pressing method, papermaking method and improved papermaking method (dry method).
• the China patent document with publication No. CN113115973A discloses a method for preparing reconstituted tobacco leaf sheet base for heating cigarettes, which comprises the following steps: preparing a reconstituted tobacco leaf pulp by papermaking method; adding a polyethylene oxide solution with a mass percentage of 0.01% to 0.15% and a guar gum solution with a mass percentage of 0.01% to 0.15% into the reconstituted tobacco leaf pulp firstly; then adding at least one of cactus juice and carambola juice into the reconstituted tobacco leaf pulp; and making the reconstituted tobacco leaf pulp into reconstituted tobacco leaf sheet base for heated cigarettes.
• the process discloses a papermaking-method sheet process, which can improve the loading and release of nicotine.
• a nicotine regulator to improve the nicotine puff-by-puff release uniformity of the smoke of heated cigarettes is provided by the present disclosure, aiming at improving the controllable release of nicotine in the tobacco tissue in the smoking stage of the new tobacco.
• the second object of that present disclosure is to provide thick paste, sheets and new tobacco products comprising the nicotine regulator and preparation methods thereof, aiming at improving the controllable and uniform release of nicotine in the new tobacco products.
• the new tobaccos are smoked based on heating mode, and the temperature in the smoking stage is mostly between 150°C and 300°C. Under this smoking mechanism, the controllable release of nicotine in tobacco tissues is difficult and the release uniformity is not ideal. Aiming at this problem, the present disclosure provides the following solutions:
• a nicotine regulator for improving nicotine puff-by-puff release uniformity of a new tobacco product comprising a component A and a component B, wherein the component A is at least one of tannic acid, proline, caffeic acid and pyruvic acid; and the component B is at least one of phosphoric acid and boric acid.
• the innovative research of the present disclosure shows that the combination of component A and component B can unexpectedly achieve synergy, can adapt to the application requirements of new tobacco products, can induce and adjust the release behavior of nicotine in tobacco tissues, and can improve the puff-by-puff release uniformity of nicotine in tobacco tissues in the smoking stage.
• component A and component B is the key to adapt to the use requirements of new tobacco products and improve the release uniformity of nicotine.
• the component A is a compound of two or more of proline, caffeic acid and pyruvic acid, and further preferably is a compound acid of proline, caffeic acid and pyruvic acid with a mass ratio of 1-2:1-2:1.
• the study further shows that the preferred component A can have better adaptation and synergy effects with component B, and can further improve the release effect and uniformity of nicotine in new tobacco products.
• the component B is phosphoric acid or a compound of phosphoric acid and boric acid, preferably a compound of phosphoric acid and boric acid with a weight ratio of 1-3:1.
• the preferred component A can have better adaptation and synergy effects with component B, and can further improve the release effect and uniformity of nicotine in new tobacco products.
• the weight ratio of the component A to the component B is 1-3:1.
• a thick paste for new tobacco products having nicotine puff-by-puff release uniformity is also provided by the present disclosure, which comprises an adhesive, cigarette powder and a slurry of the nicotine regulator of the present disclosure.
• the nicotine regulator due to the combination of components in the nicotine regulator and the cooperation function with gum, it can encapsulate and graft in the network of gum and encapsulate and modify the surface of tobacco tissue, so that synergy can be unexpectedly realized and the puff-by-puff release uniformity of nicotine in tobacco tissue in the smoking stage can be improved.
• the adhesive can be a viscous solution comprising PEG, vegetable gum and defibrated fiber;
• the plant gum is at least one of sesbania gum, flaxseed gum, coumaran gum, carrageenan, xanthan gum, guar gum, CMC, tamarind gum, sodium alginate and microcrystalline cellulose; and
• the plant gum is a compound of two or more of sesbania gum, flaxseed gum, coumaran gum, carrageenan, CMC and pectin; more preferably is a compound of two or more of carob gum, microcrystalline cellulose, CMC and pectin.
• the content of a single component is between 20 wt.% and 60 wt.%, and the total amount of components is 100 wt%.
• the defibrated fiber can be an existing commercial product, or can be obtained based on the defibrated means known in the industry.
• the defibrated fiber is a fiber obtained by defibrating wood pulp fiber;
• the concentration of PEG is less than or equal to 30%; the concentration of the plant gum is less than or equal to 10%, and the concentration of the defibrated fiber is less than or equal to 10%. Further, in the adhesive, the concentration of PEG is 1% to 20%; the concentration of the plant gum is 1% to 10%, and the concentration of the defibrinated fiber is 1% to 10%. Furthermore, the concentration of PEG is 1% to 10%; the concentration of the plant gum is 1% to 5%, and the concentration of the defibrinated fiber is 1% to 5%.
• the cigarette powder at least comprises at least one of tobacco leaves (such as tobacco shreds), tobacco stems, expanded tobacco shreds and expanded stem shreds; preferably, the cigarette powder is further allowed to comprise at least one of tobacco stems, papermaking-method sheet shreds, tea leaves and plant fibers;
• the thick paste of the present disclosure further comprises a component that is allowed to be added, such as an atomizing agent, a flavor regulator, an auxiliary agent, etc.
• the atomizing agent is at least one of ethylene glycol and glycerol.
• the amount of additional added components can be adjusted as needed.
• the content of the atomizing agent in the thick paste is 5 wt.% to 20 wt.%.
• the weight ratio of the cigarette powder and the adhesive in the thick paste is 1:3-10; the nicotine regulator accounts for 1 wt% to 10 wt% of the total weight of the cigarette powder and the adhesive.
• a method of for preparing the thick paste for a new tobacco product having nicotine puff-by-puff release uniformity comprises: mixing all components evenly to obtain the thick paste;
• the thick paste prepared by adopting the mixing way can unexpectedly further modify the surface of tobacco tissues based on the physicochemical relationship between the components, so that the release uniformity of nicotine in the tobacco tissues of the prepared new tobacco products in the smoking stage can be unexpectedly improved.
• a thick-paste-method sheet for a new tobacco product having nicotine puff-by-puff release uniformity is also included in the present disclosure, which is obtained by subjecting the thick paste to paste distribution and drying.
• a new tobacco product having nicotine puff-by-puff release uniformity is also provided by the present disclosure, which comprises the thick-paste-method sheet of the present disclosure; preferably, the new tobacco product is a heated cigarette, and heating section of the new tobacco product comprises the thick-paste-method sheet.
• the present disclosure discloses a new tobacco product having nicotine puff-by-puff release uniformity, and preparation methods for nicotine regulator, thick paste and thin sheet thereof.
• Those skilled in the art can learn from the content herein and appropriately improve the process parameters to realize the present disclosure. It should be particularly noted that all similar substitutions and modifications are obvious to those skilled in the art, and they are deemed to be included in the present disclosure.
• the method and application of the present disclosure have been described through preferred embodiments, and those skilled in the art can apparently make modifications or appropriate changes and combinations to the method and application herein without departing from the content, spirit and scope of the present disclosure to realize and apply the technology of the present disclosure.
• Step 1 Preparation of nicotine regulator A.
• sucrose fiber 1.5 kg was placed in a hydraulic shredder, 30.0 kg of water was added, and the speed of the shredder was 2000 r/min, continuous stirring was performed for 60 min, then 0.2 kg of plant gum (carob gum) and 0.1 kg of carrageenan were added, and continuous stirring was performed for 30 min.
• a low-concentration adhesive was used to bring the fiber to the hydraulic shredder, where a gear-equipped stirring rod created a robust vortex to thoroughly defibrate the fiberboard by brush.
• Step 4 Preparation of cigarette powder composite
• tobacco stems and tea leaves with a weight ratio of 6:3:1 were dry ground into 300 mesh cigarette powder for later use (cigarette powder).
• the thick paste was distributed, dried and peeled to form a sheet.
• the process drying was performed in a two-stage mode, and the highest temperature did not exceed 90°C.
• the pouring thickness of the thick paste was controlled to about 600 mm.
• the physical indicators were detected on the finished sheet prepared by the above-mentioned method, the results show that the thickness of the sheet was 0.17 mm and the water content of the sheet was 11.8%.
• the number of smoking puffs (n) was set according to the heating time of the appliance, and the heating appliance was designed to operate at a temperature of 220°C+5°C, and 10 cigarettes were prepared for each heated cigarette sample.
• the n-puffs smoking of each cigarette were accumulated and trapped on different filters, that is, the aerosol with the same number of smoking puffs (10 puffs in total) was trapped on each filter, and the standard deviation, relative standard deviation and range of the data were calculated, and the results are seen in Table 1.
• Example 1 Compared with Example 1, the difference is only that the step 1 was missing, and accordingly, component A of the nicotine regulator was not added in the step 3, and component B (phosphoric acid) of the nicotine regulator was not added in the step 5.
• Table 1 Statistical table of data of nicotine puff- by-puff in smoke Sample RSD% R Std Comparative example 1 27.43 0.53 0.14 Example 1 12.77 0.03 0.01
• Example 1 Compared with Example 1, the only difference is that the component of the nicotine regulator A in the step 1 was changed, and the total weight of the nicotine regulator A was the same as that in Example 1.
• the experimental groups were as follows:
• Example 1 Compared with Example 1, the only difference is that the component of the plant gum in the step 3 was changed, and other processes and parameters were the same as that in Example 1.
• the experimental groups were as follows:
• Example 1 Compared with Example 1, the only difference is that component of the nicotine regulator B in the step 4 was changed, and the experimental groups were as follow:
• Example 1 Compared with Example 1, the difference is only that the nicotine regulator B in the step 5 was added together with the nicotine regulator A in the step 3, and other operations and parameters were the same as that in Example 1.
• Example 1 Compared with Example 1, the difference is only that in the step 3, the nicotine regulator A was not added to the adhesive, and other operations and parameters were the same as that in Example 1.
• Example 1 Compared with Example 1, the difference is only that phosphoric acid was not added in the step 4, and other operations and parameters were the same as that in Example 1.
• Example 2 Statistical table of data of nicotine puff-by-puff in smoke of Examples 2 to 5 and Comparative examples 2 to 4 Sample RSD% R Std Example 2A 11.12 0.04 0.01
• Example 2B 10.89 0.02 0.02
• Example 2C 15.13 0.14 0.08
• Example 3A 11.67 0.09 0.03
• Example 3B 8.23 0.01 0.01
• Example 3C 15.61 0.14 0.09
• Example 3D 16.15 0.21 0.10
• Example 5 18.32 0.12 0.10 Comparative example 2 21.41 0.43 0.21 Comparative example 3 23.52 0.38 0.12 Comparative example 4 19.23 0.26 0.10
• Example 1 it can be seen that the combination of phosphoric acid and boric acid can further improve the nicotine puff-by-puff release uniformity.
• Example 1 and Example 3 it can also be known that the combination of microcrystalline cellulose, carrageenan and pectin can also synergistically improve the release of nicotine unexpectedly.
• Examples 1 and 5 it can be known that in the preparation of the thick paste, the synergistic effect of components can be further improved unexpectedly by mixing the component A and the adhesive in advance, then mixing with cigarette powder, and then mixing with the component B, which can further improve the regulation effect of nicotine to a certain extent.
• tobacco stems and tea leaves with a weight ratio of 6:3:1 were dry ground into 300 mesh cigarette powder for later use (cigarette powder).
• the prepared adhesive and cigarette powder were evenly mixed at a weight ratio of 5:1 to form basic thick paste.
• Nicotine regulator (the component A is proline, caffeic acid and pyruvic acid with a weight ratio of 1:1:1; the component B was boric acid and phosphoric acid with a weight ratio of 1:1; the weight ratio of the component A to the component B was 2:1; the amount of nicotine regulator accounted for 3 wt% of the weight of basic thick paste), the mixer was started and the rotation speed was controlled at 100 r/min, the temperature of the thick paste was adjusted to (60+5)°C, the stirring and heat preservation was carried out for 4 h for mixing, and the modified thick paste was obtained.
• the modified thick paste was distributed, dried and peeled to form a sheet.
• the process drying was a two-stage mode, and the highest temperature did not exceed 90°C.
• the pouring thickness of thick paste was controlled to about 600 mm.
• the process of the present disclosure based on the combination of the nicotine regulator components, can unexpectedly achieve synergy and can significantly improve the release uniformity of nicotine in thick-slurry-method sheets.
• a new tobacco product having nicotine puff-by-puff release uniformity and the preparation methods for nicotine regulator, thick paste and sheets thereof provided by the present disclosure are described in detail hereinbefore.
• the principle and implementation of the present disclosure are illustrated by using specific embodiments herein. The above descriptions of the embodiments are only used to facilitate understanding of the method and the core idea of the present disclosure. It should be noted that, several improvements and modifications may be made to the present disclosure by those skilled in the art without departing from the principle of the present disclosure, and these improvements and modifications also fall within the protection scope of the claims of the present disclosure.

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• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Health & Medical Sciences (AREA)
• General Health & Medical Sciences (AREA)
• Toxicology (AREA)
• Manufacture Of Tobacco Products (AREA)

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• 2023
  • 2023-10-27 CN CN202311409519.0A patent/CN117441930B/zh active Active
• 2024
  • 2024-09-23 EP EP24881328.9A patent/EP4706409A1/de active Pending
  • 2024-09-23 WO PCT/CN2024/120315 patent/WO2025086962A1/zh active Pending
  • 2024-09-23 KR KR1020257040575A patent/KR20260004519A/ko active Pending
  • 2024-10-24 TW TW113140476A patent/TWI909773B/zh active

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