CN112021634A - Preparation method of special sheet for heating cigarettes by papermaking method - Google Patents
Preparation method of special sheet for heating cigarettes by papermaking methodDownload PDFInfo
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- CN112021634A CN112021634ACN202010983333.6ACN202010983333ACN112021634ACN 112021634 ACN112021634 ACN 112021634ACN 202010983333 ACN202010983333 ACN 202010983333ACN 112021634 ACN112021634 ACN 112021634A
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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
- A24B3/14—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
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/01—Making cigarettes for simulated smoking devices
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
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- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
Translated fromChineseDescription
Translated fromChinese技术领域technical field
本发明属于加热不燃烧烟草制品技术领域，具体涉及一种造纸法加热卷烟专用薄片的制备方法。The invention belongs to the technical field of heat-not-burn tobacco products, and in particular relates to a preparation method of a special sheet for heated cigarettes by a papermaking method.
背景技术Background technique
新型烟草制品发展迅速，尤其是加热烟草制品快速增长，极有可能引发烟草行业的一次变革，全球各大烟草企业纷纷布局加热不燃烧新型烟草制品的研发，预计至2021年将超过150亿美元市场规模。The rapid development of new tobacco products, especially the rapid growth of heated tobacco products, is very likely to trigger a revolution in the tobacco industry. Major tobacco companies around the world have been deploying the research and development of new heat-not-burn tobacco products, which are expected to exceed US$15 billion by 2021. scale.
加热制品的工作原理是通过低温加热将加热卷烟专用薄片加热至足以散发出烟草香味的程度，而不点燃烟叶。通常情况下，普通卷烟在350~600℃的高温燃烧时会释放出有害物质，而加热卷烟则将加热温度控制在300℃以下，大大减少有害物质的释放。The working principle of the heated product is to heat the special sheet for heated cigarettes by low temperature heating to a degree sufficient to emit tobacco flavor without igniting the tobacco leaves. Under normal circumstances, ordinary cigarettes will release harmful substances when they are burned at a high temperature of 350~600°C, while heated cigarettes control the heating temperature below 300°C, which greatly reduces the release of harmful substances.
目前，造纸法加热卷烟专用薄片存在外纤分散性较差、抗张强度低，导热性不高，雾化剂吸附性差、雾化效果不充分等缺点。外纤分散性较差会导致质制备的烟草薄片外观出现如“花片”、“白片”等质量问题。目前改善抗张强度低较为常见的做法是通过增加黏合剂的比例和加大外纤的添加量来改善这一共性缺点，但是过多的外源物质的添加，使得造纸法专用薄片中外观均匀性较差，并且木质气息较重。对于改善雾化剂吸附性差、雾化效果不够充分的缺点，目前现有专利CN201510413496.X通过在喷涂时采用负压真空抽吸方式，将喷出的烟粉及胶类混合物吸附在基片中。但是这种喷涂方式是将烟粉与胶类的混合物同时喷涂在基片夹层中，极易导致喷头堵塞，使得喷涂生产连续性无法保证。At present, the special sheet for heated cigarettes by the papermaking method has disadvantages such as poor dispersion of outer fibers, low tensile strength, low thermal conductivity, poor adsorption of atomizers, and insufficient atomization effect. Poor dispersibility of outer fibers will lead to quality problems such as "flower slices" and "white slices" in the appearance of the prepared tobacco sheets. At present, it is more common to improve the low tensile strength by increasing the proportion of binder and increasing the amount of external fiber added to improve this common shortcoming. The property is poor, and the woody atmosphere is heavier. In order to improve the shortcomings of poor adsorption of the atomizer and insufficient atomization effect, the existing patent CN201510413496.X adopts the negative pressure vacuum suction method during spraying to adsorb the sprayed smoke powder and glue mixture in the substrate. . However, in this spraying method, the mixture of smoke powder and glue is sprayed in the interlayer of the substrate at the same time, which can easily lead to clogging of the nozzle, making the continuity of spraying production impossible.
发明内容SUMMARY OF THE INVENTION
本发明的目的在于针对现有技术的不足之处，提供一种造纸法加热卷烟专用薄片的制备方法。The object of the present invention is to provide a preparation method of a special sheet for heating cigarettes by a papermaking method in view of the deficiencies of the prior art.
为解决上述技术问题，本发明采用如下技术方案：In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions:
一种造纸法加热卷烟专用薄片的制备方法，包括以下步骤：A preparation method of a special sheet for heated cigarettes by a papermaking method, comprising the following steps:
将含有烟叶浆、烟梗浆和混合外纤浆的混合浆料通过造纸法抄造技术制成基片，所述烟梗浆、所述混合外纤浆为经过改性处理的浆料；所述改性处理过程为：将原料烟梗浆和原料混合外纤浆依次置于氢氧化钠溶液、一氯乙酸溶液中进行处理，之后用乙醇、清水洗至中性；The mixed pulp containing tobacco leaf pulp, tobacco stem pulp and mixed outer fiber pulp is made into a base sheet by papermaking technology, and the tobacco stem pulp and the mixed outer fiber pulp are modified pulps; the The modification treatment process is as follows: the raw tobacco stem pulp and the raw material mixed outer fiber pulp are sequentially placed in sodium hydroxide solution and monochloroacetic acid solution for treatment, and then washed with ethanol and water until neutral;
将所述基片进行真空冷冻干燥处理得到冻干基片；subjecting the substrate to vacuum freeze-drying to obtain a freeze-dried substrate;
将所述冻干基片叠层放置，夹层中振筛涂布混合粉末和雾化剂得到涂布基片，所述混合粉末和所述雾化剂的涂布分开进行，所述混合粉末中含有烟粉、胶黏剂和惰性导热材料；The freeze-dried substrates are placed in layers, and the mixed powder and the atomizing agent are vibrated and coated in the interlayer to obtain a coated substrate. The coating of the mixed powder and the atomizing agent is carried out separately. Contains smoke powder, adhesives and inert thermally conductive materials;
将所述涂布基片进行辊压后真空平衡处理、切丝制得所述造纸法加热卷烟专用薄片。The coated substrate is subjected to vacuum balance treatment after rolling, and shredded to obtain the special sheet for heated cigarettes by the papermaking method.
优选地，所述基片的水分含量为25~35%。Preferably, the moisture content of the substrate is 25-35%.
优选地， 所述烟叶浆为经过所述改性处理的浆料，所述改性处理过程为：将原料烟叶浆依次置于氢氧化钠溶液、一氯乙酸溶液中进行处理，之后用乙醇、清水洗至中性。Preferably, the tobacco leaf pulp is the pulp that has undergone the modification treatment, and the modification treatment process is as follows: the raw tobacco leaf pulp is placed in a sodium hydroxide solution and a monochloroacetic acid solution for treatment in sequence, and then treated with ethanol, Wash with water until neutral.
优选地，所述改性处理过程为：将原料烟梗和原料混合外纤置于50~70℃的水中浸泡60~90min，之后进行打浆处理，打浆度为40~60°SR，过滤得到所述原料烟梗浆和所述原料混合外纤浆；将所述原料烟梗浆和所述原料混合外纤浆加入到5~10%的氢氧化钠溶液中，超声分散处理10~20min，之后在15~30℃下搅拌处理20~30min，用压榨机去除氢氧化钠溶液；之后将物料加入到0.05~0.1mol/L的一氯乙酸溶液中，在85~95℃下搅拌回流处理50~60min；之后用乙醇和清水进行反复清洗，直至pH值为中性。更优选地，所述烟梗浆和所述混合外纤浆的质量比为10：（3~5）。Preferably, the modification treatment process is as follows: the raw tobacco stems and the raw mixed outer fibers are soaked in water at 50-70° C. for 60-90 minutes, and then beating is performed, and the beating degree is 40-60° SR, and the obtained result is obtained by filtration. The raw tobacco stem pulp and the raw material mixed outer fiber pulp; the raw tobacco stem pulp and the raw material mixed outer fiber pulp are added to a 5-10% sodium hydroxide solution, ultrasonically dispersed for 10-20 min, and then Stir at 15~30°C for 20~30min, remove the sodium hydroxide solution with a press; then add the material to 0.05~0.1mol/L monochloroacetic acid solution, stir and reflux at 85~95°C for 50~ 60min; then repeatedly wash with ethanol and water until the pH value is neutral. More preferably, the mass ratio of the tobacco stem pulp and the mixed outer fiber pulp is 10:(3~5).
优选地，所述惰性导热材料为二氧化硅、碳化硅、氮化硅、石墨烯中的至少一种。Preferably, the inert thermally conductive material is at least one of silicon dioxide, silicon carbide, silicon nitride, and graphene.
优选地，所述雾化剂为为甘油、丙二醇、乙醇、烟草提取物、香精香料的混合物。更优选地，所述甘油、所述丙二醇、所述乙醇、所述烟草提取物、所述香精香料的质量比为（80~100）:（30~50）:（10~20）:（10~15）:（5~10）。Preferably, the atomizing agent is a mixture of glycerin, propylene glycol, ethanol, tobacco extract, and flavor and fragrance. More preferably, the mass ratio of the glycerol, the propylene glycol, the ethanol, the tobacco extract, and the flavor and fragrance is (80~100):(30~50):(10~20):(10 ~15): (5~10).
优选地，所述混合粉末中所述烟粉、所述胶黏剂和所述惰性导热材料的质量比为（80~100）:（5~8）:（3~5）。更优选地，所述混合粉末的粒径为200~300目。更优选地，所述混合粉末的涂布量为5~10g/m2。Preferably, the mass ratio of the smoke powder, the adhesive and the inert thermally conductive material in the mixed powder is (80~100):(5~8):(3~5). More preferably, the particle size of the mixed powder is 200-300 mesh. More preferably, the coating weight of the mixed powder is 5-10 g/m2 .
优选地，所述混合外纤浆是针叶木纤维浆、阔叶木纤维浆、亚麻纤维浆的混合物。更优选地，所述针叶木纤维浆、所述阔叶木纤维浆、所述亚麻纤维浆的质量比为（10~12）：（6~8）：（1~3）。Preferably, the mixed outer fiber pulp is a mixture of softwood fiber pulp, hardwood fiber pulp, and flax fiber pulp. More preferably, the mass ratio of the softwood fiber pulp, the hardwood fiber pulp, and the flax fiber pulp is (10~12):(6~8):(1~3).
优选地，所述真空冷冻干燥处理的温度为-40℃~-30℃，真空度为0~10pa，抽真空时间为12~16h。Preferably, the temperature of the vacuum freeze-drying treatment is -40°C~-30°C, the vacuum degree is 0~10pa, and the vacuuming time is 12~16h.
优选地，所述真空平衡处理的真空度为10~20pa，平衡时间为2~3h。Preferably, the vacuum degree of the vacuum balance treatment is 10~20pa, and the balance time is 2~3h.
优选地，所述胶粘剂为CMC、海藻酸钠、明胶、硫酸软骨素中的至少一种。更优选地，所述胶黏剂的粘度为4000~8000 cps。Preferably, the adhesive is at least one of CMC, sodium alginate, gelatin, and chondroitin sulfate. More preferably, the viscosity of the adhesive is 4000-8000 cps.
与现有技术相比，本发明的有益效果为：Compared with the prior art, the beneficial effects of the present invention are:
（1）本发明的一种造纸法加热卷烟专用薄片的制备方法的烟梗浆、混合外纤浆为经过改性处理的浆料，经过改性处理能有效提升混合外纤浆的分散均匀性，使烟梗纤维和外纤纤维更多的羟基暴露出来，使得烟梗纤维和外纤间形成更多的氢键，能有效改善基片表面的外观均匀性并有效提升基片的抗张强度。(1) The tobacco stem pulp and the mixed outer fiber pulp of the method for preparing a special sheet for heated cigarettes by a papermaking method of the present invention are modified pulps, and the modified treatment can effectively improve the dispersion uniformity of the mixed outer fiber pulp , to expose more hydroxyl groups of tobacco stem fibers and outer fiber fibers, so that more hydrogen bonds are formed between tobacco stem fibers and outer fibers, which can effectively improve the appearance uniformity of the surface of the substrate and effectively improve the tensile strength of the substrate. .
（2）本发明的基片在进行真空冷冻干燥处理过程中，可以在基片内部形成一种疏松多孔的空间结构并且使基片达到绝干的状态，利于后续烟粉等混和粉末的填充和雾化剂的吸附。(2) During the vacuum freeze-drying process of the substrate of the present invention, a loose and porous space structure can be formed inside the substrate and the substrate can be in a completely dry state, which is beneficial to the subsequent filling and filling of mixed powders such as tobacco powder. Adsorption of nebulizers.
（3）本发明采用混合粉末和雾化剂分开涂布的方式，可有效避免传统混合喷涂过程中易堵塞喷头的缺陷。(3) The present invention adopts the method of separate coating of mixed powder and atomizing agent, which can effectively avoid the defect that the nozzle is easily blocked in the traditional mixed spraying process.
（4）本发明叠层基片中振筛涂布含有惰性导热材料、胶粘剂和烟粉的混合粉末，可以增加烟草本香，提高加热卷烟的导热性能，并且惰性导热材料对薄片的感官评吸没有任何负面影响。(4) In the laminated substrate of the present invention, the mixed powder containing the inert thermally conductive material, the adhesive and the cigarette powder is coated by vibrating screen, which can increase the original aroma of the tobacco, improve the thermal conductivity of the heated cigarette, and the sensory evaluation of the sheet by the inert thermally conductive material. There are no negative effects.
（5）本发明基片辊压处理后，真空平衡处理使基片结合紧密，导热性更加均匀，雾化剂在基片内部渗透吸附更为均匀，进而提升专用薄片的雾化效果。(5) After rolling treatment of the substrate of the present invention, the vacuum balance treatment makes the substrate tightly bonded, the thermal conductivity is more uniform, and the atomizing agent penetrates and adsorbs more evenly inside the substrate, thereby improving the atomization effect of the special sheet.
本发明的附加优点、目的以及特征将在下面的描述中将部分地加以阐述，且将对于本领域普通技术人员在研究下文后部分地变得明显，或者可以根据本发明的实践而获知。Additional advantages, objects, and features of the present invention will be set forth in part in the description that follows, and in part will become apparent to those of ordinary skill in the art upon study of the following, or may be learned from practice of the invention.
本领域技术人员将会理解的是，能够用本发明实现的目的和优点不限于以上具体所述，并且根据以下详细说明将更清楚地理解本发明能够实现的上述和其他目的。Those skilled in the art will appreciate that the objects and advantages that can be achieved with the present invention are not limited to those specifically described above, and that the above and other objects that can be achieved by the present invention will be more clearly understood from the following detailed description.
具体实施方式Detailed ways
以下通过特定的具体实例说明本发明的实施方式，本领域技术人员可由本说明书所揭露的内容轻易地了解本发明的其他优点与功效。本发明还可以通过另外不同的具体实施方式加以实施或应用，本说明书中的各项细节也可以基于不同观点与应用，在没有背离本发明的精神下进行各种修饰或改变。The embodiments of the present invention are described below through specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
须知，下列实施例中未具体注明的工艺设备或装置均采用本领域内的常规设备或装置。It should be noted that the process equipment or devices that are not specifically noted in the following examples all adopt conventional equipment or devices in the art.
此外应理解，本发明中提到的一个或多个方法步骤并不排斥在所述组合步骤前后还可以存在其他方法步骤或在这些明确提到的步骤之间还可以插入其他方法步骤，除非另有说明；而且，除非另有说明，各方法步骤的编号仅为鉴别各方法步骤的便利工具，而非为限制各方法步骤的排列次序或限定本发明可实施的范围，其相对关系的改变或调整，在无实质变更技术内容的情况下，当亦视为本发明可实施的范畴。Furthermore, it should be understood that the mention of one or more method steps in the present invention does not exclude that other method steps may also be present before and after said combined step or that other method steps may be inserted between these expressly mentioned steps, unless otherwise and, unless otherwise stated, the numbering of each method step is only a convenient tool for identifying each method step, not for limiting the arrangement order of each method step or limiting the scope of the present invention, the change of its relative relationship or Adjustments, without substantial changes to the technical content, should also be regarded as the scope of the present invention.
实施例1Example 1
本发明实施例1 提供一种造纸法加热卷烟专用薄片的制备方法，包括以下步骤：Embodiment 1 of the present invention provides a method for preparing a special sheet for heated cigarettes by a papermaking method, which includes the following steps:
（1）称取1000g的原料烟叶，用50℃的热水提取90min，烟叶单独打浆得到烟叶浆，打浆度50°SR。(1) Weigh 1000 g of raw tobacco leaves, extract with 50°C hot water for 90 minutes, and beat the tobacco leaves individually to obtain tobacco leaf pulp with a beating degree of 50°SR.
（2）称取1000g的原料烟梗，400g的原料混合外纤（包括220g的针叶木外纤，140g的阔叶木外纤，40g的亚麻纤维），用60℃的热水提取80min，原料烟梗与原料混合外纤打浆得到原料烟梗浆和原料混合外纤浆，打浆度为50°SR，打浆完成后，用双层纱布过滤水分。将滤饼加入到8%的氢氧化钠溶液中，超声分散处理15min，然后低速搅拌处理25min，温度保持在25℃，处理完成后，用压榨机去除氢氧化钠溶液。将物料置于0.08mol/L的一氯乙酸溶液中，加热搅拌回流处理55min，加热温度为90℃。纤维浆料处理完成后，用乙醇和清水进行反复清洗，直至pH值为中性，即完成烟梗和外加混合纤维打浆后的改性处理。(2) Weigh 1000g of raw tobacco stems and 400g of raw mixed outer fibers (including 220g of coniferous wood outer fibers, 140g of hardwood outer fibers, and 40g of flax fibers), and extract them with hot water at 60°C for 80 minutes. The stem and the raw material are mixed with outer fiber and beaten to obtain the raw tobacco stem pulp and the raw material mixed outer fiber pulp. The beating degree is 50°SR. After the beating is completed, the water is filtered with double-layer gauze. The filter cake was added to 8% sodium hydroxide solution, ultrasonically dispersed for 15 minutes, then stirred at low speed for 25 minutes, and the temperature was kept at 25 °C. After the treatment was completed, the sodium hydroxide solution was removed with a press. The material was placed in a 0.08 mol/L monochloroacetic acid solution, heated, stirred and refluxed for 55 min at a heating temperature of 90°C. After the fiber pulp treatment is completed, it is repeatedly washed with ethanol and water until the pH value is neutral, that is, the modification treatment after beating the tobacco stems and the external mixed fibers is completed.
（3）将步骤（1）中烟叶浆与步骤（2）中改性处理后的烟梗浆、混合外纤浆，通过造纸法抄造技术抄造制得基片，基片水分含量为30%。(3) The tobacco leaf pulp in the step (1), the modified tobacco stem pulp in the step (2), and the mixed outer fiber pulp are prepared by the papermaking technology to make a substrate, and the moisture content of the substrate is 30%.
（4）将步骤（3）中基片进行低温真空冷冻干燥处理，冷冻干燥机的温度为-40℃~-30℃，连续抽真空12小时，真空度为0~10pa。(4) The substrate in step (3) is subjected to low temperature vacuum freeze drying treatment, the temperature of the freeze dryer is -40 ℃ ~ -30 ℃, and the vacuum is continuously pumped for 12 hours, and the vacuum degree is 0 ~ 10pa.
（5）将步骤（4）中的基片叠层放置，夹层中振筛涂布由80g烟粉、5g明胶胶黏剂和3g氮化硅惰性导热材料组成的混合均匀粉末，涂布量为5g/m2。(5) The substrates in step (4) are placed in layers, and the interlayer is vibrated and coated with 80g of cigarette powder, 5g of gelatin adhesive and 3g of silicon nitride inert heat-conducting material. Mixed uniform powder, the coating amount is 5g/m2 .
（6）将步骤（5）中的基片叠层喷涂雾化剂，雾化剂由80g甘油、30g丙二醇、10g乙醇、10g烟草提取物、5g香精香料的混合物组成。(6) The substrates in step (5) are laminated and sprayed with an atomizing agent. The atomizing agent is composed of a mixture of 80 g of glycerol, 30 g of propylene glycol, 10 g of ethanol, 10 g of tobacco extract, and 5 g of flavor and fragrance.
（7）将步骤（6）基片进行辊压后真空平衡处理，真空度为10~20pa，平衡时间2.5小时。平衡处理后，切丝制得造纸法加热卷烟专用薄片。(7) The substrate in step (6) is subjected to vacuum balance treatment after rolling, the vacuum degree is 10~20pa, and the balance time is 2.5 hours. After balancing treatment, the shreds are cut to obtain a special sheet for heated cigarettes by the papermaking method.
实施例2Example 2
本发明实施例2提供一种造纸法加热卷烟专用薄片的制备方法，包括以下步骤：Embodiment 2 of the present invention provides a method for preparing a special sheet for heated cigarettes by a papermaking method, comprising the following steps:
（1）称取800g的原料烟叶，用60℃的热水提取60min，烟叶单独打浆得到烟叶浆，打浆度45°SR。(1) Weigh 800 g of raw tobacco leaves, extract with hot water at 60°C for 60 minutes, and beat the tobacco leaves individually to obtain tobacco leaf pulp with a beating degree of 45°SR.
（2）称取800g的原料烟梗，400g的原料混合外纤（包括220g的针叶木外纤，140g的阔叶木外纤，40g的亚麻纤维），用60℃的热水提取80min，原料烟梗与原料混合外纤打浆得到原料烟梗浆和原料混合外纤浆，打浆度为55°SR，打浆完成后，用双层纱布过滤水分。将滤饼加入到5%的氢氧化钠溶液中，超声分散处理15min，然后低速搅拌处理25min，温度保持在25℃，处理完成后，用压榨机去除氢氧化钠溶液。将物料置于0.1mol/L的一氯乙酸溶液中，加热搅拌回流处理55min，加热温度为90℃。纤维浆料处理完成后，用乙醇和清水进行反复清洗，直至pH值为中性，即完成烟梗和外加混合纤维打浆后的改性处理。(2) Weigh 800g of raw tobacco stems, 400g of raw mixed outer fibers (including 220g of softwood outer fibers, 140g of hardwood outer fibers, and 40g of flax fibers), and extract them with hot water at 60°C for 80 minutes. The stem and the raw material are mixed with outer fiber and beaten to obtain the raw tobacco stem pulp and the raw material mixed outer fiber pulp, and the beating degree is 55°SR. After the beating is completed, the water is filtered with double-layer gauze. The filter cake was added to 5% sodium hydroxide solution, ultrasonically dispersed for 15 minutes, and then stirred at low speed for 25 minutes, and the temperature was kept at 25 °C. After the treatment was completed, the sodium hydroxide solution was removed with a press. The material was placed in a 0.1 mol/L monochloroacetic acid solution, heated, stirred and refluxed for 55 min at a heating temperature of 90°C. After the fiber pulp treatment is completed, it is repeatedly washed with ethanol and water until the pH value is neutral, that is, the modification treatment after beating the tobacco stems and the external mixed fibers is completed.
（3）将步骤（1）中烟叶浆与步骤（2）中改性处理后的烟梗浆、混合外纤浆，通过造纸法抄造技术抄造制得基片，基片水分含量为30%。(3) The tobacco leaf pulp in the step (1), the modified tobacco stem pulp in the step (2), and the mixed outer fiber pulp are prepared by the papermaking technology to make a substrate, and the moisture content of the substrate is 30%.
（4）将步骤（3）中基片进行低温真空冷冻干燥处理，冷冻干燥机的温度为-40℃~-30℃，连续抽真空10小时，真空度为0~10pa。(4) The substrate in step (3) is subjected to low temperature vacuum freeze drying treatment, the temperature of the freeze dryer is -40 ℃ ~ -30 ℃, and the vacuum is continuously pumped for 10 hours, and the vacuum degree is 0 ~ 10pa.
（5）将步骤（4）中的基片叠层放置，夹层中振筛涂布由90g烟粉、7g硫酸软骨素胶黏剂和4g碳化硅惰性导热材料组成的混合均匀粉末，涂布量为8g/m2。(5) The substrates in step (4) are placed in layers, and the vibrating screen in the interlayer is coated with a mixed powder composed of 90g of cigarette powder, 7g of chondroitin sulfate adhesive and 4g of silicon carbide inert heat-conducting material, and the coating amount is It is 8g/m2 .
（6）将步骤（5）中的基片叠层喷涂雾化剂，雾化剂由90g甘油、40g丙二醇、15g乙醇、12g烟草提取物、8g香精香料的混合物组成。(6) The substrates in step (5) are laminated and sprayed with an atomizing agent. The atomizing agent is composed of a mixture of 90 g of glycerol, 40 g of propylene glycol, 15 g of ethanol, 12 g of tobacco extract, and 8 g of flavor and fragrance.
（7）将步骤（6）基片进行辊压后真空平衡处理，真空度为10~20pa，平衡时间3小时。平衡处理后，切丝制得造纸法加热卷烟专用薄片。(7) The substrate in step (6) is subjected to vacuum balance treatment after rolling, the vacuum degree is 10~20pa, and the balance time is 3 hours. After balancing treatment, the shreds are cut to obtain a special sheet for heated cigarettes by the papermaking method.
实施例3Example 3
本发明实施例3提供一种造纸法加热卷烟专用薄片的制备方法，包括以下步骤：Embodiment 3 of the present invention provides a method for preparing a special sheet for heated cigarettes by a papermaking method, comprising the following steps:
（1）称取1000g的原料烟叶，用60℃的热水提取60min，烟叶单独打浆得到烟叶浆，打浆度55°SR。(1) Weigh 1000 g of raw tobacco leaves, extract with hot water at 60°C for 60 minutes, and beat the tobacco leaves individually to obtain tobacco leaf pulp with a beating degree of 55°SR.
（2）称取800g的原料烟梗，400g的原料混合外纤（包括220g的针叶木外纤，140g的阔叶木外纤，40g的亚麻纤维），用60℃的热水提取90min，原料烟梗与原料混合外纤打浆得到原料烟梗浆和原料混合外纤浆，打浆度为55°SR，打浆完成后，用双层纱布过滤水分。将滤饼加入到10%的氢氧化钾溶液中，超声分散处理10min，然后低速搅拌处理20min，温度保持在30℃，处理完成后，用压榨机去除氢氧化钾溶液。将物料置于0.1mol/L的一氯乙酸溶液中，加热搅拌回流处理55min，加热温度为90℃。纤维浆料处理完成后，用清水进行反复清洗，直至pH值为中性，即完成烟梗和外加混合纤维打浆后的改性处理。(2) Weigh 800g of raw tobacco stems and 400g of raw mixed outer fibers (including 220g of softwood outer fibers, 140g of hardwood outer fibers, and 40g of flax fibers), and extract them with hot water at 60°C for 90 minutes. The stem and the raw material are mixed with outer fiber and beaten to obtain the raw tobacco stem pulp and the raw material mixed outer fiber pulp, and the beating degree is 55°SR. After the beating is completed, the water is filtered with double-layer gauze. The filter cake was added to 10% potassium hydroxide solution, ultrasonically dispersed for 10 minutes, and then stirred at low speed for 20 minutes, and the temperature was kept at 30 °C. After the treatment was completed, the potassium hydroxide solution was removed with a press. The material was placed in a 0.1 mol/L monochloroacetic acid solution, heated, stirred and refluxed for 55 min at a heating temperature of 90°C. After the fiber pulp treatment is completed, it is repeatedly washed with clean water until the pH value is neutral, that is, the modification treatment after beating the tobacco stems and the external mixed fibers is completed.
（3）将步骤（1）中烟叶浆与步骤（2）中改性处理后的烟梗浆、混合外纤浆，通过造纸法抄造技术抄造制得基片，基片水分含量为25%。(3) The tobacco leaf pulp in the step (1), the modified tobacco stem pulp in the step (2), and the mixed outer fiber pulp are prepared by the papermaking method to make a substrate, and the moisture content of the substrate is 25%.
（4）将步骤（3）中基片进行低温真空冷冻干燥处理，冷冻干燥机的温度为-40℃~-30℃，连续抽真空16小时，真空度为0~10pa。(4) The substrate in step (3) is subjected to low temperature vacuum freeze drying treatment, the temperature of the freeze dryer is -40 ℃ ~ -30 ℃, the vacuum is continuously pumped for 16 hours, and the vacuum degree is 0 ~ 10pa.
（5）将步骤（4）中的基片叠层放置，夹层中振筛涂布由100g烟粉、6gCMC胶黏剂和4g石墨烯惰性导热材料组成的混合均匀粉末，涂布量为10g/m2。(5) The substrates in step (4) are placed in layers, and the vibrating screen in the interlayer is coated with a mixed uniform powder composed of 100g of smoke powder, 6g of CMC adhesive and 4g of graphene inert heat-conducting material, and the coating amount is 10g/ m2 .
（6）将步骤（5）中的基片叠层喷涂雾化剂，雾化剂由100g甘油、50g丙二醇、20g乙醇、15g烟草提取物、10g香精香料的混合物组成。(6) The substrates in step (5) are laminated and sprayed with an atomizing agent. The atomizing agent is composed of a mixture of 100 g of glycerol, 50 g of propylene glycol, 20 g of ethanol, 15 g of tobacco extract, and 10 g of flavor and fragrance.
（7）将步骤（6）基片进行辊压后真空平衡处理，真空度为10~20pa，平衡时间2小时。平衡处理后，切丝制得造纸法加热卷烟专用薄片。(7) The substrate in step (6) is subjected to vacuum balance treatment after rolling, the vacuum degree is 10~20pa, and the balance time is 2 hours. After balancing treatment, the shreds are cut to obtain a special sheet for heated cigarettes by the papermaking method.
实施例4Example 4
本发明实施例4提供一种造纸法加热卷烟专用薄片的制备方法，包括以下步骤：Embodiment 4 of the present invention provides a method for preparing a special sheet for heated cigarettes by a papermaking method, comprising the following steps:
（1）称取1000g的原料烟叶，800g的原料烟梗，400g的原料混合外纤（包括220g的针叶木外纤，140g的阔叶木外纤，40g的亚麻纤维），用70℃的热水提取80min，原料烟叶、原料烟梗与原料混合外纤打浆得到原料烟叶浆、原料烟梗浆和原料混合外纤浆，打浆度为60°SR，打浆完成后，用双层纱布过滤水分。将滤饼加入到10%的氢氧化钾溶液中，超声分散处理20min，然后低速搅拌处理30min，温度保持在30℃，处理完成后，用压榨机去除氢氧化钾溶液。将物料置于0.05mol/L的一氯乙酸溶液中，加热搅拌回流处理60min，加热温度为95℃。纤维浆料处理完成后，用清水进行反复清洗，直至pH值为中性，即完成烟叶、烟梗和外加混合纤维打浆后的改性处理。(1) Weigh 1000g of raw tobacco leaves, 800g of raw tobacco stems, and 400g of raw mixed outer fibers (including 220g of softwood outer fibers, 140g of hardwood outer fibers, and 40g of flax fibers), and use 70°C hot water. Extraction for 80min, raw tobacco leaves, raw tobacco stems and raw material mixed outer fiber beating to obtain raw tobacco leaf pulp, raw tobacco stem pulp and raw material mixed outer fiber pulp, the beating degree is 60°SR, after beating is completed, the water is filtered with double-layer gauze. The filter cake was added to 10% potassium hydroxide solution, ultrasonically dispersed for 20 minutes, then stirred at low speed for 30 minutes, and the temperature was kept at 30 °C. After the treatment was completed, the potassium hydroxide solution was removed with a press. The material was placed in a 0.05 mol/L monochloroacetic acid solution, heated, stirred and refluxed for 60 min at a heating temperature of 95°C. After the fiber pulp treatment is completed, it is repeatedly washed with clean water until the pH value is neutral, that is, the modification treatment after beating the tobacco leaves, tobacco stems and external mixed fibers is completed.
（2）将步骤（1）中改性处理后的烟叶浆、烟梗浆、混合外纤浆，通过造纸法抄造技术抄造制得基片，基片水分含量为35%。(2) The modified tobacco leaf pulp, tobacco stem pulp and mixed outer fiber pulp in step (1) are made by papermaking technology to obtain a base sheet, and the moisture content of the base sheet is 35%.
（3）将步骤（2）中基片进行低温真空冷冻干燥处理，冷冻干燥机的温度为-40℃~-30℃，连续抽真空10小时，真空度为0~10pa。(3) The substrate in step (2) is subjected to low temperature vacuum freeze drying treatment, the temperature of the freeze dryer is -40 ℃ ~ -30 ℃, the vacuum is continuously pumped for 10 hours, and the vacuum degree is 0 ~ 10pa.
（4）将步骤（3）中的基片叠层放置，夹层中振筛涂布由100g烟粉、6g海藻酸钠胶黏剂和4g二氧化硅惰性导热材料组成的混合均匀粉末，涂布量为10g/m2。(4) The substrates in step (3) are placed in layers, and the vibrating screen in the interlayer is coated with a uniformly mixed powder consisting of 100 g of smoke powder, 6 g of sodium alginate adhesive and 4 g of silica inert heat-conducting material. The amount was 10 g/m2 .
（5）将步骤（4）中的基片叠层喷涂雾化剂，雾化剂由100g甘油、40g丙二醇、15g乙醇、12g烟草提取物、8g香精香料的混合物组成。(5) The substrates in step (4) are laminated and sprayed with an atomizing agent. The atomizing agent is composed of a mixture of 100 g of glycerol, 40 g of propylene glycol, 15 g of ethanol, 12 g of tobacco extract, and 8 g of flavor and fragrance.
（6）将步骤（5）基片进行辊压后真空平衡处理，真空度为10~20pa，平衡时间3小时。平衡处理后，切丝制得造纸法加热卷烟专用薄片。(6) The substrate in step (5) is subjected to vacuum balance treatment after rolling, the vacuum degree is 10~20pa, and the balance time is 3 hours. After balancing treatment, the shreds are cut to obtain a special sheet for heated cigarettes by the papermaking method.
对比例1Comparative Example 1
对比例1与实施例1相比，原料烟梗与原料混合外纤不经过改性处理，其余步骤与实施例1相同，制得造纸法加热卷烟专用薄片。Comparative Example 1 Compared with Example 1, the raw tobacco stems and the raw material mixed outer fibers are not modified, and the remaining steps are the same as those of Example 1, and a special sheet for heated cigarettes by papermaking method is prepared.
对比例2Comparative Example 2
对比例2与实施例1相比，基片不经过低温冷冻干燥处理，在80℃的鼓风干燥箱中干燥6h，其余步骤与实施例1相同，制得造纸法加热卷烟专用薄片。Comparative Example 2 was compared with Example 1. The substrate was dried in a blast drying oven at 80°C for 6 hours without being subjected to low-temperature freeze-drying treatment.
对比例3Comparative Example 3
对比例3中与实施例1相比，叠层基片中振筛涂布的混合粉末中不加入惰性导热材料，其余步骤与实施例1相同，制得造纸法加热卷烟专用薄片。In Comparative Example 3, compared with Example 1, no inert thermally conductive material was added to the mixed powder coated by vibrating screen in the laminated substrate, and the remaining steps were the same as in Example 1, to prepare a special sheet for papermaking heating cigarettes.
实施例1~4和对比例1~3制得的造纸法加热卷烟专用薄片的外观均匀性、抗张强度、导热性、雾化效果如表1所示，感官评价如表2所示。The appearance uniformity, tensile strength, thermal conductivity, and atomization effect of the special sheets for papermaking heating cigarettes prepared in Examples 1-4 and Comparative Examples 1-3 are shown in Table 1, and the sensory evaluation is shown in Table 2.
从表1、表2看到，实施例1~4中夹层喷涂的烟粉量与雾化剂含量提升，使得专用薄片的雾化效果和感官评价都有正面的提升，然而原料配方的改变，改性工艺的改变以及导热材料的改变使得造纸法加热卷烟专用薄片的外观均匀性，抗张强度及导热性能差别不大。对比例1与实施例1对比表明，原料烟梗与原料混合外纤不经过改性处理，导致专用薄片外观均匀性较差，抗张强度有明显降低。对比例2与实施例1对比表明，基片不经过低温冷冻干燥处理，在基片内部无法形成一种充满空隙的空间结构。导致烟粉等混合粉末的填充及雾化剂的吸附效果变差，感官评价负面影响较大。对比例3与实施例1对比表明，混合粉末中不加入惰性导热材料，使得专用薄片的导热性明显较低，使得雾化效果以及烟气释放量和劲头较小。As can be seen from Table 1 and Table 2, the amount of smoke powder and the content of the atomizing agent in the interlayer spraying in Examples 1 to 4 are improved, so that the atomization effect and sensory evaluation of the special sheet have a positive improvement. However, the change of the raw material formula, The change of the modification process and the change of the thermal conductive material make the appearance uniformity, tensile strength and thermal conductivity of the special sheet for heating cigarettes made by the papermaking method not much different. The comparison between Comparative Example 1 and Example 1 shows that the raw tobacco stems and the raw mixed outer fibers are not modified, resulting in poor appearance uniformity of the special sheet and a significant reduction in tensile strength. The comparison between Comparative Example 2 and Example 1 shows that a space structure filled with voids cannot be formed inside the substrate without being subjected to low-temperature freeze-drying treatment. As a result, the filling of mixed powders such as cigarette powder and the adsorption effect of the atomizing agent become poor, and the negative impact of sensory evaluation is large. The comparison between Comparative Example 3 and Example 1 shows that no inert thermally conductive material is added to the mixed powder, so that the thermal conductivity of the special sheet is significantly lower, and the atomization effect and the amount of smoke released and the momentum are smaller.
本发明的保护范围不限于上述的实施例，显然，本领域的技术人员可以对本发明进行各种改动和变形而不脱离本发明的范围和精神。倘若这些改动和变形属于本发明权利要求及其等同技术的范围，则本发明的意图也包含这些改动和变形在内。The protection scope of the present invention is not limited to the above-mentioned embodiments. Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the scope and spirit of the present invention. If these changes and modifications belong to the scope of the claims of the present invention and their equivalents, the present invention is intended to include these changes and modifications.
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| CN113208149A (en)* | 2021-05-24 | 2021-08-06 | 中烟施伟策（云南）再造烟叶有限公司 | Method suitable for retaining fragrance and improving quality of paper-making reconstituted tobacco |
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| CN120350568A (en)* | 2025-06-24 | 2025-07-22 | 杭州众材科技股份有限公司 | Dry paper product deacidification method and deacidification equipment |
| CN120350568B (en)* | 2025-06-24 | 2025-09-26 | 杭州众材科技股份有限公司 | A dry paper product deacidification method and deacidification equipment |
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| CN112021634B (en) | 2022-04-01 |
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