CN109602069B - Preparation method and application of smoke agent of tobacco smoke-generating core material - Google Patents
Preparation method and application of smoke agent of tobacco smoke-generating core material Download PDFInfo
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- CN109602069B CN109602069B CN201811465705.5A CN201811465705A CN109602069B CN 109602069 B CN109602069 B CN 109602069B CN 201811465705 A CN201811465705 A CN 201811465705A CN 109602069 B CN109602069 B CN 109602069B
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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
- A24B15/186—Treatment of tobacco products or tobacco substitutes by coating with a coating composition, encapsulation of tobacco particles
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/12—Steaming, curing, or flavouring tobacco
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
The invention discloses a smoke agent for a novel tobacco smoke core material, which comprises the following steps: firstly, preparing a cross-linked carboxymethyl cellulose-lotus root starch composite film and lotus root starch super absorbent resin, then mixing the cross-linked carboxymethyl cellulose-lotus root starch composite film and the lotus root starch super absorbent resin with a cross-linking agent and an antioxidant, heating and stirring for carrying out an emulsion cross-linking reaction, and standing and aging to obtain the novel tobacco fuming core material fuming agent. The invention also discloses a cigarette containing the smoke agent, the smoke amount of the cigarette core material is obviously increased after the smoke agent is added, and meanwhile, the moisture resistance of the cigarette core material can be improved by adding the smoke agent. The smoke agent is in an emulsion form, the emulsion system is stable, the smoke agent has good compatibility with the tobacco core material liquid, the system is stable, and the process is easy to realize.
Description
Technical Field
The invention relates to the field of tobacco processing aids, in particular to a preparation method and application of a novel tobacco smoke-generating core material smoke agent.
Background
At present, China has become the largest market for cigarette consumption in the world, but China still only belongs to the big tobacco countries and is not a strong tobacco country, and the current situation of the tobacco industry in China urgently requires that each big tobacco enterprise in China promotes the quality of cigarettes and makes the cigarettes become a strong brand. The smoking amount of the cigarette directly influences the smoking experience of smokers, and the improvement of the smoking amount of the cigarette has important significance for improving the quality of Chinese cigarettes and enhancing the market competitiveness.
In the prior art, liquid substances are mostly adopted to form the smoke agent, however, the liquid smoke agent can volatilize and lose part of the smoke agent in the processing and storage processes, the application range and the addition amount are limited, and the ideal smoke effect cannot be achieved. Meanwhile, the liquid smoke agent is soaked into the fibers of the cigarette core material, so that the smoke quantity of the cigarette is improved, and the original fragrance of the tobacco is lost when the tobacco fibers contact the liquid smoke agent for a long time.
In addition, the novel tobacco core material has the characteristic of easy moisture absorption, the characteristic causes the condition that the tobacco core material is easy to absorb moisture and go moldy under the humid condition, and the tobacco core material is seriously affected by the moisture on the sense comfort and the quality stability of the cigarette product. Therefore, it is desirable to improve the moisture resistance of the cigarette core material while increasing the smoke output of the cigarette core material.
The present invention has been made to solve the above problems.
Disclosure of Invention
The invention provides a novel tobacco fuming agent of a smoking core material, and the preparation method comprises the following steps:
step 1, dissolving lotus root starch, beeswax and polyalcohol in distilled water, and stirring for 1-2h to prepare lotus root starch sol with the mass fraction of 2-4%; dissolving sodium carboxymethylcellulose in distilled water, stirring for 1-2h, and defoaming under reduced pressure to obtain sodium carboxymethylcellulose hydrosol with mass fraction of 2-4%;
step 2, mixing the lotus root starch sol and the carboxymethyl cellulose sol in the step 1, stirring for 1-2 hours, adding tea polyphenol and glycerol, defoaming, forming a film by adopting a tape casting method, airing to prepare a carboxymethyl cellulose-lotus root starch composite film, adding a calcium chloride solution into the carboxymethyl cellulose-lotus root starch composite film, carrying out a crosslinking reaction, and airing to prepare a crosslinked carboxymethyl cellulose-lotus root starch composite film;
step 3, dropwise adding a sodium hydroxide solution and a potassium hydroxide solution into acrylic acid in sequence until the pH value is approximately equal to 6, and preparing a monomer solution containing sodium acrylate and potassium acrylate; adding lotus root starch into distilled water, stirring, heating for gelatinization, cooling to below 50 ℃, adding the monomer solution containing sodium acrylate and potassium acrylate, introducing nitrogen, adding ammonium persulfate, stirring for graft copolymerization, stopping introducing nitrogen after the reaction is finished, and drying to obtain the lotus root starch super absorbent resin;
and 4, mixing the crosslinked carboxymethyl cellulose-lotus root starch composite film obtained in the step 2, the lotus root starch super absorbent resin obtained in the step 3, a crosslinking agent and an antioxidant, heating and stirring to perform an emulsion crosslinking reaction, and standing and aging to obtain the fuming agent of the fuming core material.
Preferably, the polyol in step 1 is one or more of glycerol, propylene glycol, inositol and diethylene glycol.
Preferably, the mass ratio of the lotus root starch sol to the carboxymethyl cellulose sol in the step 2 is 8: 1-2: 1; the crosslinking reaction time is 10-60 min; the mass fraction of the calcium chloride solution is 10-30%.
Preferably, in the step 3, the heating and pasting temperature is 50-70 ℃, the graft copolymerization reaction time is 1-2 hours, and the drying temperature is 90-100 ℃; the mass fraction of the sodium hydroxide solution is 10-25%; the mass fraction of the potassium hydroxide solution is 10-25%.
Preferably, in the step 4, the heating temperature is 30-50 ℃, the stirring speed is 2000-2500 rpm, the stirring time is 30-50 min, and the standing and aging time is 20-24 h.
Preferably, the cross-linking agent in the step 4 is one or more selected from lotus root starch, beeswax, propylene glycol and glycerol; the antioxidant is selected from one or more of propyl gallate, butyl hydroxy anisol, tert-butyl hydroquinone and dibutyl hydroxy toluene.
The second aspect of the invention provides a cigarette containing the smoke agent, and the preparation method comprises the following steps: mixing the smoke agent with the feed liquid of the cigarette core material according to 0.1-0.5% of the weight of the novel tobacco core material, uniformly spraying the mixture on the cigarette core material, forming a film on the surface of the cigarette core material by the smoke agent, and then preparing the cigarette core material into cigarettes by a cigarette making machine.
In a third aspect, the invention provides the use of the smoke agent for improving the moisture resistance of a core material.
Compared with the prior art, the invention has the following beneficial effects:
1. the smoke agent can improve the smoke amount of the cigarette core material, and the sensory score of the smoke amount of the cigarette made of the cigarette core material added with the smoke agent is obviously higher than the sensory score of the smoke amount of the cigarette made of the cigarette core material not added with the smoke agent, so the smoke amount of the cigarette core material can be obviously improved by adding the smoke agent.
2. In the preparation process of the smoke agent, the cross-linked carboxymethyl cellulose-lotus root starch composite film is prepared firstly, and after the smoke agent is added into a cigarette core material, the cross-linked carboxymethyl cellulose-lotus root starch composite film enables the smoke agent to form a film on the surface of the cigarette core material instead of infiltrating into the fibers of the cigarette core material, so that the moisture resistance of the cigarette core material is improved, and the original fragrance of the cigarette core material is better maintained. The moisture permeability of the cigarette core material added with the smoke agent is reduced by 19.47 percent after 96 hours compared with the cigarette core material not added with the smoke agent, and the moisture permeability of the cigarette core material is reduced by 1.130 g/(m)224h) to 0.910 g/(m)224 h). Therefore, the moisture resistance of the cigarette core material can be obviously improved by adding the smoke agent.
3. The smoke agent is in an emulsion form, the emulsion system is stable, the smoke agent has good compatibility with the tobacco core material liquid, can be dissolved in 75% ethanol, and the smoke agent is stable in system, stable in product quality and easy to realize in process.
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Detailed Description
The present invention is further illustrated by the following examples, which are not intended to be limiting, and any variations or modifications based on the teachings of the present invention are within the scope of the present invention. The examples do not specify particular techniques or conditions, and are performed according to the techniques or conditions described in the literature in the art or according to the product specifications. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available by purchase.
Example 1
The embodiment is a novel tobacco smoking core material smoke agent, and the preparation method comprises the following steps:
step 1, dissolving 4g of lotus root starch, 3g of beeswax and 2g of polyol in distilled water, and stirring for 1 hour to prepare lotus root starch sol with the mass fraction of 4%; dissolving 2g of sodium carboxymethylcellulose in distilled water, stirring for 1 hour, and defoaming under reduced pressure to obtain sodium carboxymethylcellulose hydrosol with mass fraction of 2%;
step 2, mixing the lotus root starch sol and the carboxymethyl cellulose sol in the step 1, stirring for 1 hour, adding 3g of tea polyphenol and 4g of glycerol, defoaming, forming a film by adopting a tape casting method, airing to prepare a carboxymethyl cellulose-lotus root starch composite film, adding 10mL of calcium chloride solution into the carboxymethyl cellulose-lotus root starch composite film, carrying out a crosslinking reaction, and airing to prepare a crosslinked carboxymethyl cellulose-lotus root starch composite film;
step 3, dropwise adding a sodium hydroxide solution and a potassium hydroxide solution into acrylic acid in sequence until the pH value is approximately equal to 6, and preparing a monomer solution containing sodium acrylate and potassium acrylate; adding 4g of lotus root starch into distilled water, stirring, heating and pasting, cooling to below 50 ℃ after complete pasting, adding 10mL of monomer solution containing sodium acrylate and potassium acrylate, introducing nitrogen, adding 1g of ammonium persulfate, stirring for graft copolymerization reaction, stopping introducing nitrogen after the reaction is finished, and drying to obtain the lotus root starch super absorbent resin;
and 4, mixing the crosslinked carboxymethyl cellulose-lotus root starch composite film obtained in the step 2, the lotus root starch super absorbent resin obtained in the step 3, 4g of a crosslinking agent and 3g of an antioxidant, heating and stirring to perform an emulsion crosslinking reaction, and standing and aging to obtain the smoke agent A.
The polyol described in step 1 is a combination of glycerol, inositol and diethylene glycol.
In the step 2, the mass ratio of the lotus root starch sol to the carboxymethyl cellulose sol is 8: 1; the crosslinking reaction time is 10 min; the mass fraction of the calcium chloride solution is 10%.
In the step 3, the heating gelatinization temperature is 50 ℃, the graft copolymerization reaction time is 1h, the drying temperature is 90 ℃, the mass fraction of the sodium hydroxide solution is 25%, and the mass fraction of the potassium hydroxide solution is 25%.
In the step 4, the heating temperature is 30 ℃, the stirring speed is 2000rpm, the stirring time is 30min, and the standing and aging time is 20 h.
In the step 4, the cross-linking agent is selected from lotus root starch sol; the antioxidant is selected from propyl gallate.
Mixing the smoke agent with the liquid of the cigarette core material according to 0.1 percent of the weight of the cigarette core material, uniformly spraying the mixture on the cigarette core material, forming a film on the surface of the cigarette core material by the smoke agent, and then preparing the cigarette core material into cigarettes by a cigarette making machine.
Example 2
The embodiment is a novel tobacco smoking core material smoke agent, and the preparation method comprises the following steps:
step 1, dissolving 4g of lotus root starch, 3g of beeswax and 2g of polyol in distilled water, and stirring for 1 hour to prepare lotus root starch sol with the mass fraction of 4%; dissolving 2g of sodium carboxymethylcellulose in distilled water, stirring for 1 hour, and defoaming under reduced pressure to obtain sodium carboxymethylcellulose hydrosol with mass fraction of 2%;
step 2, mixing the lotus root starch sol and the carboxymethyl cellulose sol in the step 1, stirring for 1 hour, adding 3g of tea polyphenol and 4g of glycerol, defoaming, forming a film by adopting a tape casting method, airing to prepare a carboxymethyl cellulose-lotus root starch composite film, adding 10mL of calcium chloride solution into the carboxymethyl cellulose-lotus root starch composite film, carrying out a crosslinking reaction, and airing to prepare a crosslinked carboxymethyl cellulose-lotus root starch composite film;
step 3, dropwise adding a sodium hydroxide solution and a potassium hydroxide solution into acrylic acid in sequence until the pH value is approximately equal to 6, and preparing a monomer solution containing sodium acrylate and potassium acrylate; adding 4g of lotus root starch into distilled water, stirring, heating and pasting, cooling to below 50 ℃ after complete pasting, adding 10mL of monomer solution containing sodium acrylate and potassium acrylate, introducing nitrogen, adding 1g of ammonium persulfate, stirring for graft copolymerization reaction, stopping introducing nitrogen after the reaction is finished, and drying to obtain the lotus root starch super absorbent resin;
and 4, mixing the crosslinked carboxymethyl cellulose-lotus root starch composite film obtained in the step 2, the lotus root starch super absorbent resin obtained in the step 3, 4g of a crosslinking agent and 3g of an antioxidant, heating and stirring to perform an emulsion crosslinking reaction, and standing and aging to obtain the smoke agent B.
The polyol described in step 1 is a combination of glycerol, inositol and diethylene glycol.
In the step 2, the mass ratio of the lotus root starch sol to the carboxymethyl cellulose sol is 4: 1; the crosslinking reaction time is 30 min; the mass fraction of the calcium chloride solution is 20%.
In the step 3, the heating gelatinization temperature is 60 ℃, the graft copolymerization reaction time is 1h, the drying temperature is 90 ℃, the mass fraction of the sodium hydroxide solution is 25%, and the mass fraction of the potassium hydroxide solution is 25%.
In the step 4, the heating temperature is 40 ℃, the stirring speed is 2200rpm, the stirring time is 40min, and the standing and aging time is 22 h.
In the step 4, the cross-linking agent is selected from lotus root starch sol; the antioxidant is selected from butyl hydroxy anisole.
Mixing the smoke agent with the liquid of the cigarette core material according to 0.3 percent of the weight of the cigarette core material, uniformly spraying the mixture on the cigarette core material, forming a film on the surface of the cigarette core material by the smoke agent, and then preparing the cigarette core material into cigarettes by a cigarette making machine.
Example 3
The embodiment is a novel tobacco smoking core material smoke agent, and the preparation method comprises the following steps:
step 1, dissolving 4g of lotus root starch, 3g of beeswax and 2g of polyol in distilled water, and stirring for 1 hour to prepare lotus root starch sol with the mass fraction of 4%; dissolving 2g of sodium carboxymethylcellulose in distilled water, stirring for 1 hour, and defoaming under reduced pressure to obtain sodium carboxymethylcellulose hydrosol with mass fraction of 2%;
step 2, mixing the lotus root starch sol and the carboxymethyl cellulose sol in the step 1, stirring for 1 hour, adding 3g of tea polyphenol and 4g of glycerol, defoaming, forming a film by adopting a tape casting method, airing to prepare a carboxymethyl cellulose-lotus root starch composite film, adding 10mL of calcium chloride solution into the carboxymethyl cellulose-lotus root starch composite film, carrying out a crosslinking reaction, and airing to prepare a crosslinked carboxymethyl cellulose-lotus root starch composite film;
step 3, dropwise adding a sodium hydroxide solution and a potassium hydroxide solution into acrylic acid in sequence until the pH value is approximately equal to 6, and preparing a monomer solution containing sodium acrylate and potassium acrylate; adding 4g of lotus root starch into distilled water, stirring, heating and pasting, cooling to below 50 ℃ after complete pasting, adding 10mL of monomer solution containing sodium acrylate and potassium acrylate, introducing nitrogen, adding 1g of ammonium persulfate, stirring for graft copolymerization reaction, stopping introducing nitrogen after the reaction is finished, and drying to obtain the lotus root starch super absorbent resin;
and 4, mixing the crosslinked carboxymethyl cellulose-lotus root starch composite film obtained in the step 2, the lotus root starch super absorbent resin obtained in the step 3, 4g of a crosslinking agent and 3g of an antioxidant, heating and stirring to perform an emulsion crosslinking reaction, and standing and aging to obtain the smoke agent C.
The polyol described in step 1 is a combination of glycerol, inositol and diethylene glycol.
In the step 2, the mass ratio of the lotus root starch sol to the carboxymethyl cellulose sol is 2: 1; the crosslinking reaction time is 60 min; the mass fraction of the calcium chloride solution is 30%.
In the step 3, the heating gelatinization temperature is 70 ℃, the graft copolymerization reaction time is 1h, the drying temperature is 90 ℃, the mass fraction of the sodium hydroxide solution is 25%, and the mass fraction of the potassium hydroxide solution is 25%.
In the step 4, the heating temperature is 50 ℃, the stirring speed is 2500rpm, the stirring time is 50min, and the standing and aging time is 24 h.
The cross-linking agent in step 4 is selected from glycerol; the antioxidant is selected from tert-butyl hydroquinone.
Mixing the smoke agent with the liquid of the cigarette core material according to 0.5 percent of the weight of the cigarette core material, uniformly spraying the mixture on the cigarette core material, forming a film on the surface of the cigarette core material by the smoke agent, and then preparing the cigarette core material into cigarettes by a cigarette making machine.
Example 4
In this example, a cigarette core material to which no smoking agent was added, a cigarette core material to which the smoking agent a in example 1 was added, a cigarette core material to which the smoking agent B in example 2 was added, and a cigarette core material to which the smoking agent C in example 3 was added were manufactured into cigarettes by a cigarette making machine, and then sensory evaluation was performed on the smoking amount of the cigarette sample by sensory evaluators in the art, wherein cigarettes manufactured by a cigarette making machine to which the cigarette core material to which no smoking agent was added, the cigarette core material to which the smoking agent a in example 1 was added, the cigarette core material to which the smoking agent B in example 2 was added, and the cigarette core material to which the smoking agent C in example 3 was added were manufactured were respectively named as a cigarette control sample, a cigarette sample 1, a cigarette sample 2, and a cigarette sample 3.
The sensory evaluation steps were as follows: please 10 sensory evaluators in the field to perform sensory evaluation on the smoke amount of the cigarette samples, wherein the total score is 100.
The sensory evaluation values of the cigarette reference sample, the cigarette sample 1, the cigarette sample 2 and the cigarette sample 3 are shown in table 1, and the sensory evaluation values of the smoke volumes of different samples in table 1 are average values of the sensory evaluation values of 10 sensory evaluators in the field on the smoke volumes of the cigarette samples.
TABLE 1 sensory evaluation of the smoke yield of cigarettes made with different smoke agents added to the core material
As can be seen from Table 1, the sensory score of the smoking amount of the cigarette made of the core material added with the smoking agent is obviously higher than that of the cigarette made of the core material without the smoking agent, wherein the sensory score of the smoking amount of the cigarette made of the core material added with the smoking agent C in example 3 is the highest through a cigarette making machine, so that the smoking amount of the core material can be obviously improved by adding the smoking agent.
Example 5
The moisture resistance was measured for the core material to which no smoke agent was added, the core material to which the smoke agent a of example 1 was added, the core material to which the smoke agent B of example 2 was added, and the core material to which the smoke agent C of example 3 was added, wherein the core material to which no smoke agent was added, the core material to which the smoke agent a of example 1 was added, the core material to which the smoke agent B of example 2 was added, and the core material to which the smoke agent C of example 3 was added were designated as comparative sample, sample 1, sample 2, and sample 3, respectively.
The method comprises the following steps: and (3) balancing the moisture content of the tobacco core material, weighing 50g of the tobacco core material of the comparison sample, the sample 1, the sample 2 and the sample 3 respectively, and placing the tobacco core material in a constant temperature and humidity box with the environmental humidity of (60 +/-5)%, and the temperature of (22 +/-2) ° C to balance the moisture content for 48 h.
Step two: the sample moisture permeability was measured. And (4) putting the cigarette core material balanced in the step one into a well balanced moisture permeable cup, sealing the well balanced moisture permeable cup, and weighing the weight of the moisture permeable cup. Weighing, placing the moisture permeable cup into a constant temperature and humidity box with the temperature of 23 +/-0.5 ℃ and the humidity of 90 +/-2 percent, taking out the moisture permeable cup from the box after 12 hours, placing the moisture permeable cup into the environment with the temperature of 23 +/-0.5 ℃ for balancing for 30min, and weighing. After weighing, the moisture permeable cup is placed back in the constant temperature and humidity box, and the time interval of each weighing is 24 hours, 48 hours, 72 hours and 96 hours. The change in moisture content was recorded and the moisture permeability was calculated and the results of the moisture permeability changes for the core materials with different smoke agents are shown in table 2.
Table 2 changes in moisture permeability of core materials with different smoke agents (g/(m)2·24h))
| 24h | 48h | 72h | 96h | |
| Control sample | 1.095 | 1.106 | 1.115 | 1.130 |
| Sample 1 | 0.918 | 0.921 | 0.928 | 0.933 |
| Sample 2 | 0.901 | 0.908 | 0.912 | 0.918 |
| Sample 3 | 0.898 | 0.900 | 0.906 | 0.910 |
As can be seen from Table 2, the moisture permeability of the core material added with the smoke agent C of the invention is reduced by 19.47 percent after 96 hours compared with the core material not added with the smoke agent of the invention, and the moisture permeability is reduced by 1.130 g/(m)224h) to 0.910 g/(m)224 h). Therefore, the moisture resistance of the cigarette core material can be obviously improved by adding the smoke agent.
Claims (8)
1. The preparation method of the smoke agent for the tobacco smoking core material is characterized by comprising the following steps:
step 1, dissolving lotus root starch, beeswax and polyalcohol in distilled water, and stirring for 1-2 hours to prepare lotus root starch sol with the mass fraction of 2-4%; dissolving sodium carboxymethylcellulose in distilled water, stirring for 1-2h, and performing vacuum deaeration to obtain sodium carboxymethylcellulose hydrosol with the mass fraction of 2-4%;
step 2, mixing the lotus root starch sol and the carboxymethyl cellulose sol in the step 1, stirring for 1-2 hours, adding tea polyphenol and glycerol, defoaming, forming a film by adopting a tape casting method, drying in the air to obtain a carboxymethyl cellulose-lotus root starch composite film, adding a calcium chloride solution into the carboxymethyl cellulose-lotus root starch composite film, carrying out a crosslinking reaction, and drying in the air to obtain a crosslinked carboxymethyl cellulose-lotus root starch composite film;
step 3, dropwise adding a sodium hydroxide solution and a potassium hydroxide solution into acrylic acid in sequence until the pH value is approximately equal to 6, and preparing a monomer solution containing sodium acrylate and potassium acrylate; adding lotus root starch into distilled water, stirring, heating for gelatinization, cooling to below 50 ℃, adding the monomer solution containing sodium acrylate and potassium acrylate, introducing nitrogen, adding ammonium persulfate, stirring for graft copolymerization, stopping introducing nitrogen after the reaction is finished, and drying to obtain the lotus root starch super absorbent resin;
step 4, mixing the crosslinked carboxymethyl cellulose-lotus root starch composite film in the step 2, the lotus root starch super absorbent resin in the step 3, a crosslinking agent and an antioxidant, heating and stirring to perform an emulsion crosslinking reaction, and standing and aging to prepare the fuming agent of the fuming core material;
after the smoke agent is added into a cigarette core material, the cross-linked carboxymethyl cellulose-lotus root starch composite film enables the smoke agent to form a film on the surface of the cigarette core material instead of infiltrating into the fibers of the cigarette core material, so that the moisture resistance of the cigarette core material is improved, and the original fragrance of the cigarette core material is better maintained.
2. A smoke agent according to claim 1, wherein said polyalcohol in step 1 is one or more of glycerol, propylene glycol, inositol and diethylene glycol.
3. The smoking agent according to claim 1, wherein the mass ratio of the lotus root starch sol to the carboxymethyl cellulose sol in the step 2 is 8: 1-2: 1; the crosslinking reaction time is 10-60 min; the mass fraction of the calcium chloride solution is 10-30%.
4. The smoke agent as claimed in claim 1, wherein the heating gelatinization temperature in step 3 is 50-70 ℃, the graft copolymerization reaction time is 1-2h, and the drying temperature is 90-100 ℃.
5. The smoke agent according to claim 1, wherein in the step 4, the heating temperature is 30-50 ℃, the stirring speed is 2000-2500 rpm, the stirring time is 30-50 min, and the standing and aging time is 20-24 h.
6. The fuming agent of claim 1, wherein the cross-linking agent in step 4 is selected from one or more of lotus root starch, beeswax, propylene glycol and glycerol; the antioxidant is selected from one or more of propyl gallate, butyl hydroxy anisol, tert-butyl hydroquinone and dibutyl hydroxy toluene.
7. A cigarette comprising the smoke agent of any one of claims 1 to 6, characterized in that it is prepared by: mixing the smoke agent with the tobacco core material according to 0.1-0.5% of the weight of the tobacco core material, uniformly spraying the mixture on the tobacco core material, forming a film on the surface of the tobacco core material by the smoke agent, and then preparing the tobacco core material into cigarettes by a cigarette making machine.
8. Use of a smoking agent according to any one of claims 1-6 for increasing the moisture resistance of a core material.
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| CN112438423B (en) * | 2019-08-30 | 2023-04-11 | 湖南中烟工业有限责任公司 | Tobacco particles, low-temperature smoke body, preparation method and heating non-combustion appliance |
| CN111978137B (en) * | 2020-08-18 | 2022-06-07 | 四川烟牛科技有限公司 | Aqueous color smoke agent for aviation and preparation method thereof |
| CN115215713A (en) * | 2021-04-19 | 2022-10-21 | 重庆中烟工业有限责任公司 | Smoke agent and preparation method and application thereof |
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