WO2017181685A1 - 一种含活性炭加热不燃烧的烟草基底的制备方法 - Google Patents

一种含活性炭加热不燃烧的烟草基底的制备方法 Download PDF

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WO2017181685A1
WO2017181685A1 PCT/CN2016/108256 CN2016108256W WO2017181685A1 WO 2017181685 A1 WO2017181685 A1 WO 2017181685A1 CN 2016108256 W CN2016108256 W CN 2016108256W WO 2017181685 A1 WO2017181685 A1 WO 2017181685A1
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Prior art keywords
tobacco
activated carbon
tobacco substrate
parts
substrate
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PCT/CN2016/108256
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English (en)
French (fr)
Inventor
胡世龙
刘剑
黄新民
阮艺斌
王维维
谢顺萍
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贵州中烟工业有限责任公司
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Priority to EP16876978.4A priority Critical patent/EP3263276A4/en
Publication of WO2017181685A1 publication Critical patent/WO2017181685A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B15/00—Machines or devices designed for grinding seat surfaces; Accessories therefor
    • 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
    • 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
    • A24B15/18—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
    • 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
    • A24B15/287—Treatment of tobacco products or tobacco substitutes by chemical substances by inorganic substances only
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F47/00—Smokers' requisites not otherwise provided for

Definitions

  • the invention relates to the technical field of tobacco, and more particularly to a preparation method of a tobacco substrate containing activated carbon and not burning.
  • Heating non-burning cigarettes provides consumers with nicotine and tobacco characteristics by heating non-burning tobacco to meet the needs of consumers, while greatly reducing the release of tar and harmful substances in mainstream smoke, which is the future development of the tobacco market. An important trend.
  • the design of heating non-combustible tobacco raw materials is very different from traditional cigarettes. Relevant experiments show that ordinary cigarettes that have not been specially treated cannot be used in general smoking utensils to provide satisfactory smoke and aroma.
  • a method for preparing an electric dry-cut type tobacco sheet is provided in the patent document with the publication number CN 103181613.
  • a tobacco extract, a plant extract and a smoke generating agent are coated on a tobacco sheet base, and are applied to an electric pyrolysis apparatus to generate smoke.
  • the patent document simply modifies the ordinary sheet by means of sheet coating, and the tobacco sheet which has not been specially treated has a low adsorption amount and insufficient tobacco aroma during use, especially when the coating amount is increased. Greatly reduced.
  • the technical problem to be solved by the present invention is how to provide the nicotine and tobacco characteristic aroma to the consumer, and at the same time greatly reduce the release amount of tar and harmful substances in the flue gas, and provide a preparation method of the tobacco substrate containing the activated carbon and not burning.
  • the present invention provides a method for preparing a tobacco substrate comprising activated carbon heated non-combustion, the method comprising the following steps (all raw materials used are commercially available):
  • Step 1 Prepare the activated carbon slurry: weigh the activated carbon, mix it with water and loosely beat the pulp to prepare an activated carbon slurry with a concentration of 1-5% by weight;
  • Step 2 preparing a tobacco slurry: weighing the tobacco raw material, immersing it in water, soaking, filtering, and mechanically beating the tobacco obtained by the filtration to obtain a tobacco slurry;
  • Step 3 Prepare the tobacco substrate: weigh 50-80 parts of tobacco slurry, 8-25 parts of wood pulp, 10-30 parts of activated carbon slurry, 4-8 parts of binder, and then uniformly mix in parts by weight; Forming into a wet tobacco substrate by a paper machine, and drying by hot air to obtain a tobacco substrate;
  • Step 4 preparing a coating liquid: weigh 1-40 parts of tobacco essential oil, 2-20 parts of tobacco flavor concentrate, 40-80 parts of atomizing agent in parts by weight, and then uniformly mix to obtain a coating liquid;
  • Step 5 Coating the tobacco substrate: the coating liquid obtained in the fourth step is weighed according to 25-40% of the weight of the tobacco substrate obtained in the third step, and the coating liquid is sprayed onto the tobacco substrate and allowed to stand under constant temperature and humidity conditions. At -48h, a tobacco substrate containing activated carbon and not burning was finally obtained.
  • the activated carbon is activated carbon particles and/or activated carbon fibers, the activated carbon particles have a particle size of 80-100 mesh; and the activated carbon fibers have a fiber length of 0.5-8 mm, preferably 0.5-5 mm. More preferably 1 mm.
  • the above activated carbon is preferably a wood activated carbon or a shell activated carbon.
  • the pretreatment method of the activated carbon particles adding 40-200 mesh of plant-derived activated carbon to 60-100 ° C hot water, ultrasonic frequency of 20-60 KHz for 30-60 min, followed by filtration and washing, at a high temperature of 100-200 °C drying under ventilated conditions.
  • the pretreatment method of the activated carbon fiber the activated carbon fiber is added to hot water and boiled for 30-60 minutes, then filtered, washed, and dried under high temperature 100-200 ° C ventilation conditions.
  • the tobacco raw material comprises one or more of tobacco stems, tobacco, shredded tobacco and shredded tobacco.
  • the wood pulp is one or more of spruce bleached kraft pulp, poplar bleached kraft pulp, softwood bleached kraft pulp and eucalyptus bleached kraft pulp;
  • the binder is one or more of xanthan gum, gum arabic and guar gum.
  • the obtained tobacco substrate has a water content of 10-15%; a thickness of 10-300 ⁇ m and a thickness gramm of 20-200 g/m 2 .
  • the tobacco essential oil is prepared by grinding the tobacco or tobacco into a pulverizer, passing through a 40-100 mesh sieve, adding a certain proportion of solvent water, ethanol or diethyl ether at a certain temperature.
  • Ultrasonic extraction under conditions of 2-10h, after sedimentation, filtration, concentration under reduced pressure to obtain tobacco The preliminary extract; the tobacco extract is refined by molecular distillation to obtain tobacco essential oil; the molecular distillation conditions are as follows: feed rate 2-10 mL/min, vacuum degree 15-20 Pa, injection temperature 80 ° C, heating temperature 60-80 ° C, cooling temperature 10-20 ° C, rotation speed 300-400r / min; the tobacco or cut tobacco is one or several of flue-cured tobacco, air-cured tobacco or sun-cured tobacco; the air-cured tobacco is selected from burley or One or two of the Maryland smokes; the sun-cured tobacco is selected from one or more of oriental tobacco, sun-cured tobacco, yellow-lighted tobacco or yellow-flowered tobacco.
  • the tobacco flavoring agent is vanillin, benzoic acid, phenylacetic acid, 10% Peruvian extract, 5% tree moss extract, 90% clove oil, anisaldehyde, 10% Pineapple ketone, benzyl alcohol, phenylethyl alcohol, tolyl ethyl ketone, ethyl phenylacetate, bell pepper plum extract, phenylacetaldehyde, acetophenone, angelica lactone, farnesone, dodecanoic acid, isovaleric acid, benzyl butyrate Ester, octanol, tetramethylpyrazine, citric acid, ethyl maltol, sclareol, sclareolide, sorghum ether, artemisia oil, orange leaf oil, valerian oil, fragrant oil, Lai Baidang extract, Su Hexiang extract, Duhuo, cranberry extract, sorrel
  • the atomizing agent is one or more of propylene glycol, triethylene glycol, 1,3-butylene glycol, glycerin, dipropylene glycol, polyethylene glycol; preferably glycerin.
  • the present invention also provides a tobacco substrate prepared by the above-described method for preparing a tobacco substrate comprising activated carbon heated non-combustible.
  • the invention also provides the application of the tobacco substrate prepared by the preparation method of the above-mentioned activated carbon-containing non-combustible tobacco substrate in heating non-burning smoking articles, that is, the above-mentioned tobacco substrate is rolled into a cigarette, placed in a smoking article, and set to be heated.
  • the temperature is 200-500 ° C
  • the heating time is 10-30 s
  • the suction is started after the heating time is reached.
  • the invention can improve the content of the base atomizing agent by adding activated carbon to the substrate in the preparation method of the tobacco substrate containing the activated carbon heated and not burning, and can be used in the heating and non-burning smoking articles.
  • Increasing the amount of smoke in the suction process; adding activated carbon to the substrate can also improve the ability of the substrate to load tobacco flavor and tobacco essential oil, and can be used to heat the non-burning smoking article to significantly increase the aroma amount and the tobacco flavor; pretreatment of activated carbon The effect of activated carbon on tobacco aroma can be minimized.
  • 80-100 mesh coconut shell activated carbon was added to hot water at 80 ° C, ultrasonically spun for 60 min under ultrasonic frequency of 40 KHz, then filtered, washed, and dried at 150 ° C under high temperature for use.
  • the mass percentage of tobacco slurry 65.5%, the wood pulp 14.5%, the coconut shell activated carbon slurry 15% and the xanthan gum 5% are uniformly mixed, and directly sent to a mesh paper machine for forming, and then dried by a hot air dryer to obtain a tobacco substrate, and the obtained tobacco is obtained.
  • the substrate thickness was 100 ⁇ m; the tobacco substrate thickness was 5,000 g/m 2 .
  • a coating liquid is prepared, which has a composition of 20% by mass of tobacco tobacco essential oil, 6% of tobacco flavor, and 74% of glycerin. Spraying the above coating liquid on the tobacco substrate at 25% by mass of the tobacco substrate, and then adjusting the ambient temperature to (22 ⁇ 1) ° C and relative humidity (60 ⁇ 2) % in a constant temperature and humidity chamber for 48 hours, that is, Tobacco substrate sample 1# was obtained.
  • the substrate is rolled into a cigarette, and combined with a hollow filter rod to form a cigarette, which is inserted into the smoking implement, and the heating temperature of the smoking utensil is set to 250 ° C, and the suction is started after heating for 20 s.
  • the fibrous activated carbon with a fiber length of 1 mm was added to 100 ° C hot water for boiling for 60 min, and then filtered, washed, and dried at a high temperature of 150 ° C for ventilation.
  • the mass percentage of tobacco slurry 50%, the wood pulp 17%, the fiber activated carbon slurry 25% and the gum arabic 8% are uniformly mixed, directly sent to a mesh paper machine for forming, and then dried by a hot air dryer to obtain a tobacco substrate, and the obtained tobacco substrate thickness is obtained. It is 150 ⁇ m; the tobacco substrate has a basis weight of 80 g/m 2 .
  • a coating liquid is prepared, which has a composition of 10% by mass of tobacco tobacco essential oil, 20% of tobacco flavor, and 70% of glycerin.
  • the above coating liquid was sprayed on the tobacco substrate at 35% by mass of the tobacco substrate, and then the ambient temperature was adjusted to (22 ⁇ 1) ° C, relative humidity (60) in a constant temperature and humidity chamber.
  • the tobacco substrate sample 2# was obtained by equilibrating for 48 h at ⁇ 2)%.
  • the substrate is rolled into a cigarette, and combined with a hollow filter rod to form a cigarette, which is inserted into the smoking implement, and the heating temperature of the smoking utensil is set to 350 ° C, and the suction is started after heating for 10 s.
  • the activated carbon fiber having a fiber length of 5 mm was added to a hot water of 100 ° C for boiling for 60 minutes, and then filtered, washed, and dried at a high temperature of 150 ° C for ventilation.
  • the mass percentage of tobacco slurry 76.5%, the wood pulp 9.5%, the fiber activated carbon slurry 10% and the guar gum 4% were uniformly mixed, directly sent to a mesh paper machine for forming, and dried by a hot air dryer to obtain a tobacco substrate, and the obtained tobacco substrate was obtained.
  • the thickness is 150 ⁇ m; the tobacco substrate has a basis weight of 80 g/m 2 .
  • a coating liquid is prepared, which has a composition of 5% by weight of tobacco tobacco essential oil, 15% of tobacco flavor, 20% of propylene glycol, and 60% of glycerin. Spraying the above coating liquid on the tobacco substrate at 40% by mass of the tobacco substrate, and then adjusting the ambient temperature to (22 ⁇ 1) ° C and relative humidity (60 ⁇ 2) % in a constant temperature and humidity chamber for 48 hours, that is, Tobacco substrate sample 3#.
  • the substrate is rolled into a cigarette, and combined with a hollow filter rod to form a cigarette, which is inserted into the smoking implement, and the heating temperature of the smoking utensil is set to 200 ° C, and the suction is started after heating for 30 seconds.
  • the coating liquid is sprayed on a common substrate, and the composition and mass percentage of the coating liquid are the same as in the first embodiment.
  • the obtained substrate is rolled into a cigarette, combined with a hollow filter rod to form a cigarette, used in a smoking article, and the heating temperature of the smoking set is set. At 250 ° C, the suction was started after heating for 20 s.
  • the tobacco substrate to which activated carbon is added can better adsorb the coating liquid, and the ordinary substrate may have a penetration phenomenon of the coating liquid to the cigarette paper; the tobacco substrate to which the activated carbon is added during the suction process is released more.
  • the amount of smoke and tobacco aroma are more abundant. Therefore, by adding activated carbon to the substrate, the quality of the non-burning tobacco substrate can be improved, which has a good application prospect.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

一种含活性炭加热不燃烧的烟草基底的制备方法，该方法包括如下步骤：称取活性炭，将其与水混合并疏解打浆，得到活性炭浆液；称取烟草原料，将其浸泡，过滤，打浆，得到烟草浆液；以重量份计称取烟草浆液50-80份，木浆8-25份，活性炭浆液10-30份，粘合剂4-8份，然后均匀混合；将混合料成型，干燥，得到烟草基底；以重量份计称取烟草精油1-40份、烟用香精料2-20份、雾化剂40-80份，然后均匀混合，得到涂布液；将涂布液喷涂到烟草基底上，在恒温恒湿条件下静置40-48h，最终得到含活性炭加热不燃烧的烟草基底。

Description

一种含活性炭加热不燃烧的烟草基底的制备方法
本申请要求于2016年04月20日提交中国专利局、申请号为201610247577.1、发明名称为“一种含活性炭加热不燃烧的烟草基底的制备方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及烟草技术领域，更具体涉及一种含活性炭加热不燃烧的烟草基底的制备方法。
背景技术
加热不燃烧卷烟通过加热不燃烧烟草的方式向消费者提供尼古丁和烟草特征香气，以满足消费者的需求，同时可以大幅度降低主流烟气中焦油和有害物质的释放量，是未来烟草市场发展的重要趋势。加热不燃烧烟草原料的设计与传统卷烟存在巨大差别，相关实验表明未经过特殊处理的普通烟支在一般烟具中使用无法提供满意的烟雾量和香气。
申请公布号为CN 103181613的专利文件提供了一种电干馏型烟草薄片的制备方法。该专利文件中在烟草薄片片基上涂布烟草提取物、植物提取物和发烟剂，应用于电干馏装置中可产生烟雾。但是该专利文件只是简单以薄片涂布的方式改性普通薄片，而未经特殊处理的烟草薄片在使用过程中存在吸附量低、烟草香气不足，特别是在涂布量提高时其机械性能会大大降低。
发明内容
(一)要解决的技术问题
本发明要解决的技术问题就是如何向消费者提供尼古丁和烟草特征香气，同时大幅度降低烟气中焦油和有害物质的释放量，而提供一种含活性炭加热不燃烧的烟草基底的制备方法。
(二)技术方案
为了解决上述技术问题，本发明提供了一种含活性炭加热不燃烧的烟草基底的制备方法，该方法包括如下步骤(所用原料均可市售购得)：
步骤一：制备活性炭浆液：称取活性炭，将其与水混合并疏解打浆，制成重量浓度为1-5％的活性炭浆液；
步骤二：制备烟草浆液：称取烟草原料，将其放入水中进行浸泡，浸泡后进行过滤，将过滤得到的烟草进行机械打浆，得到烟草浆液；
步骤三：制备烟草基底：以重量份计称取烟草浆液50-80份，木浆8-25份，活性炭浆液10-30份，粘合剂4-8份，然后均匀混合；将混合料送至抄纸机成型成湿烟草基底，经热风干燥，得到烟草基底；
步骤四：制备涂布液：以重量份计称取烟草精油1-40份、烟用香精料2-20份、雾化剂40-80份，然后均匀混合，得到涂布液；
步骤五：涂布烟草基底：按照步骤三得到的烟草基底重量的25-40％称取步骤四得到的涂布液，将涂布液喷涂到烟草基底上，在恒温恒湿条件下静置40-48h，最终得到含活性炭加热不燃烧的烟草基底。
优选地，在步骤一中，所述的活性炭为活性炭颗粒和/或活性炭纤维，所述活性炭颗粒的粒度为80-100目；所述活性炭纤维的纤维长度为0.5-8mm，优选0.5-5mm，更优选1mm。
上述的活性炭优选为木质活性炭或果壳活性炭。
所述活性炭颗粒的预处理方法：将40-200目的植物源活性炭加入到60-100℃热水中，超声频率20-60KHz的条件下超声30-60min，之后过滤、洗涤，在高温100-200℃通风条件下烘干。
所述活性炭纤维的预处理方法：将活性炭纤维加入到热水中煮沸30-60min，之后过滤、洗涤，在高温100-200℃通风条件下烘干。
优选地，在步骤二中，所述的烟草原料包括烟梗、烟末、碎烟叶和烟丝中的一种或几种。
优选地，在步骤三中，所述的木浆为云杉漂白硫酸盐浆、杨木漂白硫酸盐浆、针叶木漂白硫酸盐浆和桉木漂白硫酸盐浆中的一种或几种；所述的粘合剂为黄原胶、***胶和瓜尔胶中的一种或几种。
优选地，在步骤三中，所述得到的烟草基底含水率10-15％；其厚度为10-300μm，其厚度克重为20-200g/m2。
优选地，在步骤四中，所述的烟草精油由下述方法制备：将烟叶或烟丝经粉碎机磨碎，过40～100目筛，加入一定比例的溶剂水、乙醇或***，在一定温度条件下超声萃取2-10h，经过沉降，过滤，减压浓缩得到烟草 初提物；将烟草初提物采用分子蒸馏进行精提，得到烟草精油；所述分子蒸馏条件如下：进料速度2-10mL/min、真空度15-20Pa、进样温度80℃、加热温度60-80℃、冷却温度10-20℃、转速300-400r/min；所述的烟叶或烟丝为烤烟、晾烟或晒烟中的一种或几种；所述晾烟选自白肋烟或马里兰烟中的一种或两种；所述晒烟选自香料烟、晒红烟、晒黄烟或黄花烟中的一种或几种。
优选地，在步骤四中，所述的烟用香精料为香兰素、苯甲酸、苯乙酸、10％秘鲁浸膏、5％树苔浸膏、90％丁香油、大茴香醛、10％菠萝酮、苯甲醇、苯乙醇、甲苯乙酮、苯乙酸乙酯、铃铛梅子浸膏、苯乙醛、苯乙酮、当归内酯、法尼酮、十二酸、异戊酸、丁酸苄酯、辛醇、四甲基吡嗪、柠檬酸、乙基麦芽酚、香紫苏醇、香紫苏内酯、龙涎醚、印蒿油、橙叶油、缬草油、香根油、赖百当浸膏、苏合香浸膏、独活酊、酸果流浸膏、酸角浸膏、春黄菊浸膏、香荚兰浸膏、无花果浸膏、苹果汁、巨豆三烯酮、二氢猕猴桃内酯、β-紫罗兰酮、棕榈酸、香叶基丙酮一种或几种组合；优选地，以质量百分数计香兰素1％、苯甲酸0.2％、苯乙酸0.5％、秘鲁浸膏1.0％、树苔浸膏5％、丁香油0.5％、大茴香醛0.5％、菠萝醛0.5％、苯乙醇0.4％、甲苯乙酮0.2％、苯乙酸乙酯0.2％、乙醇25％和丙二醇65％的组合。
优选地，在步骤四中，所述的雾化剂为丙二醇、三甘醇、1,3-丁二醇、甘油、二丙二醇、聚乙二醇的一种或几种；优选甘油。
本发明还提供了上述含活性炭加热不燃烧的烟草基底的制备方法制得的烟草基底。
本发明还提供了上述含活性炭加热不燃烧的烟草基底的制备方法制得的烟草基底在加热不燃烧烟具中的应用，即将上述的烟草基底卷制成烟支，放置于烟具中，设定加热温度为200-500℃，加热时间10-30s，到达加热时间后开始抽吸。
(三)有益效果
本发明在含活性炭加热不燃烧的烟草基底的制备方法中往基底中添加活性炭可以提高基底雾化剂的含量，应用于加热不燃烧的烟具中可以显 著提高抽吸过程的烟雾量；往基底中添加活性炭还可以提高基底负载烟草香精和烟草精油的能力，应用于加热不燃烧的烟具中可以显著提高香气量和烟草本香；对活性炭进行预处理，可以最大程度上降低了活性炭对烟草香气的影响。
具体实施方式
下面结合实施例对本发明的实施方式作进一步详细描述。以下实施例用于说明本发明，但不能用来限制本发明的范围。
实施例1
将80-100目的椰壳活性炭加入到80℃热水中，超声频率40KHz的条件下超声60min，之后过滤、洗涤，在高温150℃通风条件下烘干待用。
将质量百分比烟草浆液65.5％、木浆14.5％、椰壳活性炭浆液15％及黄原胶5％混合均匀,直接送至夹网抄纸机成型后，经热风干燥机干燥获得烟草基底，所得烟草基底厚度为100μm；烟草基底厚度克重在50g/m2。
制备涂布液，其组成为：按质量百分比烤烟烟草精油20％、烟用香精6％、甘油74％。按烟草基底质量百分比的25％喷涂上述涂布液于烟草基底上，之后在恒温恒湿箱中调节环境温度为(22±1)℃、相对湿度(60±2)％条件下平衡48h，即得烟草基底样品1#。
将上述基底卷制成烟卷，与空心滤棒复合后形成烟支，***烟具中使用，并设定烟具加热温度为250℃，加热20s后开始抽吸。
实施例2
将纤维长度1mm的纤维活性炭加入到100℃热水煮沸60min，之后过滤、洗涤，在高温150℃通风条件下烘干待用。
将质量百分比烟草浆液50％、木浆17％、纤维活性炭浆液25％及***胶8％混合均匀,直接送至夹网抄纸机成型后，经热风干燥机干燥获得烟草基底，所得烟草基底厚度为150μm；烟草基底厚度克重在80g/m2。
制备涂布液，其组成为：按质量百分比烤烟烟草精油10％、烟用香精20％、甘油70％。按烟草基底质量百分比的35％喷涂上述涂布液于烟草基底上，之后在恒温恒湿箱中调节环境温度为(22±1)℃、相对湿度(60 ±2)％条件下平衡48h，即得烟草基底样品2#。
将上述基底卷制成烟卷，与空心滤棒复合后形成烟支，***烟具中使用，并设定烟具加热温度为350℃，加热10s后开始抽吸。
实施例3
将纤维长度5mm的活性炭纤维加入到100℃热水煮沸60min，之后过滤、洗涤，在高温150℃通风条件下烘干待用。
将质量百分比烟草浆液76.5％、木浆9.5％、纤维活性炭浆液10％及瓜尔胶4％混合均匀,直接送至夹网抄纸机成型后，经热风干燥机干燥获得烟草基底，所得烟草基底厚度为150μm；烟草基底厚度克重在80g/m2。
制备涂布液，其组成为：按质量百分比烤烟烟草精油5％、烟用香精15％、丙二醇20％、甘油60％。按烟草基底质量百分比的40％喷涂上述涂布液于烟草基底上，之后在恒温恒湿箱中调节环境温度为(22±1)℃、相对湿度(60±2)％条件下平衡48h，即得烟草基底样品3#。
将上述基底卷制成烟卷，与空心滤棒复合后形成烟支，***烟具中使用，并设定烟具加热温度为200℃，加热30s后开始抽吸。
对比例1
在普通基底上喷涂涂布液，涂布液组成及质量百分比与实施例1相同，所得基底卷制成烟卷，与空心滤棒复合后形成烟支，***烟具中使用，并设定烟具加热温度为250℃，加热20s后开始抽吸。
通过抽吸上述基底样品，可发现添加活性炭的烟草基底可更好吸附涂布液，而普通基底会出现涂布液向卷烟纸渗透现象；抽吸过程中添加有活性炭的烟草基底释放更大的烟雾量，烟草香气更为丰富，因此通过添加活性炭于基底中可以较好的提升加热不燃烧烟草基底品质，具有较好的应用前景。
以上实施方式仅用于说明本发明，而非对本发明的限制。尽管参照实施例对本发明进行了详细说明，本领域的普通技术人员应当理解，对本发明的技术方案进行各种组合、修改或者等同替换，都不脱离本发明技术方案的精神和范围，均应涵盖在本发明的权利要求范围当中。

Claims (10)

  1. 一种含活性炭加热不燃烧的烟草基底的制备方法，其特征在于，该方法包括如下步骤：
    步骤一：制备活性炭浆液：称取活性炭，将其与水混合并疏解打浆，制成重量浓度为1-5％的活性炭浆液；
    步骤二：制备烟草浆液：称取烟草原料，将其放入水中进行浸泡，浸泡后进行过滤，将过滤得到的烟草进行机械打浆，得到烟草浆液；
    步骤三：制备烟草基底：以重量份计称取烟草浆液50-80份，木浆8-25份，活性炭浆液10-30份，粘合剂4-8份，然后均匀混合；将混合料送至抄纸机成型成湿烟草基底，经热风干燥，得到烟草基底；
    步骤四：制备涂布液：以重量份计称取烟草精油1-40份、烟用香精料2-20份、雾化剂40-80份，然后均匀混合，得到涂布液；
    步骤五：涂布烟草基底：按照步骤三得到的烟草基底重量的25-40％称取步骤四得到的涂布液，将涂布液喷涂到烟草基底上，在恒温恒湿条件下静置40-48h，最终得到含活性炭加热不燃烧的烟草基底。
  2. 根据权利要求1所述的含活性炭加热不燃烧的烟草基底的制备方法，其特征在于，在步骤一中，所述的活性炭为活性炭颗粒和/或活性炭纤维，所述活性炭颗粒的粒度为80-100目；所述活性炭纤维的纤维长度为0.5-8mm。
  3. 根据权利要求1所述的含活性炭加热不燃烧的烟草基底的制备方法，其特征在于，在步骤二中，所述的烟草原料包括烟梗、烟末、碎烟叶和烟丝中的一种或几种。
  4. 根据权利要求1所述的含活性炭加热不燃烧的烟草基底的制备方法，其特征在于，在步骤三中，所述的木浆为云杉漂白硫酸盐浆、杨木漂白硫酸盐浆、针叶木漂白硫酸盐浆和桉木漂白硫酸盐浆中的一种或几种；所述的粘合剂为黄原胶、***胶和瓜尔胶中的一种或几种。
  5. 根据权利要求1所述的含活性炭加热不燃烧的烟草基底的制备方法，其特征在于，在步骤三中，所述得到的烟草基底含水率10-15％；其 厚度为10-300μm，其厚度克重为20-200g/m2。
  6. 根据权利要求1所述的含活性炭加热不燃烧的烟草基底的制备方法，其特征在于，在步骤四中，所述的烟草精油由下述方法制备：将烟叶或烟丝经粉碎机磨碎，过40～100目筛，加入一定比例的溶剂水、乙醇或***，在一定温度条件下超声萃取2-10h，经过沉降，过滤，减压浓缩得到烟草初提物；将烟草初提物采用分子蒸馏进行精提，得到烟草精油；所述分子蒸馏条件如下：进料速度2-10mL/min、真空度15-20Pa、进样温度80℃、加热温度60-80℃、冷却温度10-20℃、转速300-400r/min。
  7. 根据权利要求1所述的含活性炭加热不燃烧的烟草基底的制备方法，其特征在于，在步骤四中，所述的烟用香精料为香兰素、苯甲酸、苯乙酸、10％秘鲁浸膏、5％树苔浸膏、90％丁香油、大茴香醛、10％菠萝酮、苯甲醇、苯乙醇、甲苯乙酮、苯乙酸乙酯、铃铛梅子浸膏、苯乙醛、苯乙酮、当归内酯、法尼酮、十二酸、异戊酸、丁酸苄酯、辛醇、四甲基吡嗪、柠檬酸、乙基麦芽酚、香紫苏醇、香紫苏内酯、龙涎醚、印蒿油、橙叶油、缬草油、香根油、赖百当浸膏、苏合香浸膏、独活酊、酸果流浸膏、酸角浸膏、春黄菊浸膏、香荚兰浸膏、无花果浸膏、苹果汁、巨豆三烯酮、二氢猕猴桃内酯、β-紫罗兰酮、棕榈酸、香叶基丙酮的一种或几种。
  8. 根据权利要求1-7任一项所述的含活性炭加热不燃烧的烟草基底的制备方法，其特征在于，在步骤四中，所述的雾化剂为丙二醇、三甘醇、1,3-丁二醇、甘油、二丙二醇、聚乙二醇的一种或几种。
  9. 权利要求1-8任一项所述的含活性炭加热不燃烧的烟草基底的制备方法制得的烟草基底。
  10. 权利要求9所述的含活性炭加热不燃烧的烟草基底的制备方法制得的烟草基底在加热不燃烧烟具中的应用，其特征在于，将权利要求1-8任一项所述的制备方法制得的烟草基底卷制成烟支，放置于烟具中，设定加热温度为200-500℃，加热时间10-30s，到达加热时间后开始抽吸。
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