WO2023137837A1 - 一种电子雾化液、新型尼古丁盐及其制备方法 - Google Patents

一种电子雾化液、新型尼古丁盐及其制备方法 Download PDF

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WO2023137837A1
WO2023137837A1 PCT/CN2022/079380 CN2022079380W WO2023137837A1 WO 2023137837 A1 WO2023137837 A1 WO 2023137837A1 CN 2022079380 W CN2022079380 W CN 2022079380W WO 2023137837 A1 WO2023137837 A1 WO 2023137837A1
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acid
nicotine salt
preparation
nicotine
heating
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PCT/CN2022/079380
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English (en)
French (fr)
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邹阳
邹军
尹一冰
刘梅森
罗维贤
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深圳市真味生物科技有限公司
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    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/10Chemical features of tobacco products or tobacco substitutes
    • A24B15/16Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18Treatment of tobacco products or tobacco substitutes
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18Treatment of tobacco products or tobacco substitutes
    • A24B15/28Treatment of tobacco products or tobacco substitutes by chemical substances

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  • the present application relates to the technical field of nicotine salts, for example, an electronic atomization liquid, a novel nicotine salt and a preparation method thereof.
  • Nicotine commonly known as nicotine, is a pyridine derivative alkaloid present in Solanaceae plants and an important component of tobacco.
  • free nicotine is usually used, that is, nicotine exists in the form of "free base"; traditional free nicotine is not ideal in improving the input effect of electronic delivery devices to blood nicotine, because the excessively high nicotine concentration only brings excessive throat hit, but it is difficult for users to obtain the same physiological satisfaction as traditional cigarettes, which greatly reduces the user's smoking experience.
  • Nicotine can react with acid to form amine salts, and people have also found and extracted natural nicotine salts in tobacco leaves.
  • nicotine salt is used instead of nicotine to prepare electronic atomization liquid, which can reduce the irritation to the oral cavity or throat mucosa, thereby improving the user experience.
  • nicotine salts can also be synthesized by reacting nicotine with organic acids. The addition of organic acid can adjust the pH of nicotine and reduce the throat hit and discomfort caused by high-concentration nicotine.
  • the choice of organic acid will not only affect the synthesis rate, but also greatly affect the taste of the atomized liquid prepared from synthetic nicotine salt.
  • the applicant's patent application CN111961032A discloses a method for preparing a high-yield synthetic nicotine salt, but the reaction time of the method is long, and the production efficiency is low during practical application.
  • the electronic nicotine delivery device atomizes the liquid nicotine salt solution into steam by heating or other means, so that the nicotine salt can quickly enter the human body through the respiratory system and be absorbed by the blood.
  • electronic nicotine delivery devices produce less smoke while quickly relieving addiction, which can reduce the impact on others;
  • using synthetic nicotine salts to prepare electronic atomization liquids can make nicotine salts more easily absorbed by human blood, which can not only meet the physiological needs of nicotine addicts, but also have a more comfortable inhalation feeling.
  • the present application provides a simple and efficient method for preparing a new nicotine salt, which can simultaneously ensure low nicotine content and good taste, and improve the quality of smoking.
  • a kind of preparation method of novel nicotine salt comprises the steps:
  • the organic acid described in S1 in the preparation method of the present application is one or more of benzoic acid, dihydroxybenzoic acid, vanillic acid, cinnamic acid, nicotinic acid, salicylic acid, sorbic acid, levulinic acid, and lactic acid.
  • the second aspect of the present application provides another method for preparing a novel nicotine salt, which specifically includes the following steps:
  • Fig. 1 is the nicotine salt that embodiment 1 makes;
  • Fig. 2 is the nicotine salt that embodiment 2 makes;
  • Fig. 3 is the nicotine salt that embodiment 3 makes;
  • Fig. 4 is the nicotine salt that embodiment 5 makes.
  • One embodiment of the present application provides a method for preparing a novel nicotine salt, comprising the following steps:
  • the organic acid described in S1 in the preparation method of the present application is one or more of benzoic acid, dihydroxybenzoic acid, vanillic acid, cinnamic acid, nicotinic acid, salicylic acid, sorbic acid, levulinic acid, and lactic acid.
  • This application is the first to use organic acids such as dihydroxybenzoic acid, vanillic acid, and cinnamic acid to react with nicotine under heating conditions.
  • organic acids such as dihydroxybenzoic acid, vanillic acid, and cinnamic acid
  • the nicotine salt prepared by using the organic acid of this application has the unique flavor of the acid itself, thereby enriching the fragrance of the electronic atomization liquid and bringing a better smoking experience.
  • the above method can use a single organic acid as a synthetic raw material, or use two or more mixed organic acids in a specific ratio to synthesize nicotine salts.
  • the nicotine salts prepared by mixing different acids can also obtain complex unique aromas, which are pleasant and comfortable.
  • the dihydroxybenzoic acid described herein includes 2,3-dihydroxybenzoic acid, 2,4-dihydroxybenzoic acid, 2,5-dihydroxybenzoic acid (gentisic acid), 2,6-dihydroxybenzoic acid or 3,4-dihydroxybenzoic acid (protocatechuic acid).
  • the mass ratio of organic acid to nicotine in the above preparation method is 1.0:(0.8-3.0).
  • the heating temperature in steps S1 and S2 is 60-70°C.
  • the heating time of step S1 is 15-30 minutes, and the heating time of step S2 is 15-60 minutes.
  • This application ensures sufficient reaction of acid and nicotine by controlling heating temperature and mixing time.
  • S1 if the heating temperature is too low, the organic acid cannot be completely dissolved; if the heating temperature is too high, part of the organic acid nicotine salt will decompose or "falsely dissolve" (that is, it is not combined with nicotine, and it will be precipitated when the temperature is lowered). Therefore, the synthesis of nicotine salt will be affected if the heating temperature is too high or too low, and the output rate of nicotine salt is the highest when the heating temperature is controlled at 60-70°C.
  • Another embodiment of the present application provides another method for preparing a novel nicotine salt, which specifically includes the following steps:
  • the mass ratio of organic acid A to organic acid B is 1.0:(0.1-2).
  • the organic acid A is the main acid
  • the organic acid B is the auxiliary acid.
  • the organic acid A is at least two of benzoic acid, dihydroxybenzoic acid, vanillic acid, cinnamic acid, nicotinic acid, salicylic acid, sorbic acid, levulinic acid, and lactic acid
  • the organic acid B is one of malic acid, citric acid, and tartaric acid.
  • the method of the present application adopts the method of step-by-step feeding to synthesize the organic acid nicotine salt.
  • the auxiliary acid is added during the reaction process, the generated mixed organic acid nicotine salt will further form a network structure, and the whole tends to be in a gel state. This not only increases the stability of the nicotine salt itself, is convenient for long-term storage, but also prolongs the residence time of the nicotine salt after atomization, making the aroma more durable.
  • malic acid includes racemic malic acid, D-malic acid, L-malic acid
  • tartaric acid includes racemic tartaric acid, D-tartaric acid, L-tartaric acid.
  • the heating temperature in steps S1-S3 is 60-70°C.
  • the heating time of step S1 is 15-30 minutes, and the heating time of steps S2 and S3 is 15-60 minutes.
  • the solvent described in this application is one or more of purified water, food-grade ethanol, and propylene glycol.
  • This application uses dihydroxybenzoic acid, vanillic acid and cinnamic acid as organic acid raw materials for the first time, so that the prepared nicotine salt has the unique flavor of the acid itself, making the electronic atomization liquid closer to the taste of traditional cigarettes, improving the quality of smoking, and better meeting the needs of long-term smokers;
  • This application uses mixed acid as raw material, adopts the mode of step-by-step feeding to synthesize nicotine salt, and improves the output rate of nicotine salt through the control of conditions such as heating temperature;
  • the synthesis of the nicotine salt of the present application takes the mixed organic acid as the main acid, and on this basis, an auxiliary acid is added to promote the formation of a gel structure of the nicotine salt, which improves the stability, helps prolong the storage time, and increases the persistence of fragrance;
  • Embodiment 2 Preparation of vanillic acid nicotine salt
  • Embodiment 3 Preparation of cinnamic acid nicotine salt
  • gentisic acid (2,5-dihydroxybenzoic acid), 7g of lactic acid, and 9g of levulinic acid into 160mL of edible alcohol, and heat in an oil bath at 70°C for 30 minutes; then add 20g of nicotine, and keep stirring at 70°C for 50 minutes; then add 10g of malic acid, and keep stirring at 70°C for 60 minutes to obtain a homogeneous light pink gel-like nicotine salt.
  • Example throat hit irritant aroma Taste Example 1 Strong throat hit Basically non-irritating Full and delicate, unique fragrance Soft and delicate taste
  • Example 2 Strong throat hit Basically non-irritating Has a unique cocoa aroma Soft and delicate taste
  • Example 3 Strong throat hit Basically non-irritating unique smoky aroma Soft and delicate taste
  • Example 4 Strong throat hit Basically non-irritating Full and delicate Soft and delicate taste
  • Example 5 Strong throat hit Basically non-irritating Full and delicate, long-lasting Soft and delicate taste
  • Example 6 Strong throat hit Basically non-irritating Full and delicate, long-lasting Soft and delicate taste
  • Example 7 Strong throat hit Basically non-irritating Full and delicate, long-lasting Soft and delicate taste Comparative example 1 Throat hit slightly weak Slightly stimulating short-lived, under-scented Obvious astringency

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  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

方法涉及尼古丁盐技术领域,涉及一种电子雾化液、尼古丁盐及其制备方法。包括如下步骤:S1、将有机酸加入溶剂中,加热溶解;S2、再加入尼古丁,加热,搅拌,得到尼古丁盐;所用有机酸为苯甲酸、二羟基苯甲酸、香草酸、肉桂酸、烟酸、水杨酸、山梨酸、乙酰丙酸、乳酸中的一种。还以混酸为原料,采用分步加料的方式制备尼古丁盐。

Description

一种电子雾化液、新型尼古丁盐及其制备方法
本公开要求在2022年1月24日提交中国专利局、申请号为2022100811097的中国专利申请的优先权,以上申请的全部内容通过引用结合在本公开中。
技术领域
本申请涉及尼古丁盐技术领域,例如涉及一种电子雾化液、新型尼古丁盐及其的制备方法。
背景技术
尼古丁俗名烟碱,是一种存在于茄科植物的吡啶衍生物类生物碱,也是烟草的重要成分。在第一代电子尼古丁传输装置中,通常使用的为游离尼古丁,即尼古丁以“游离碱”的形式存在;传统的游离尼古丁在提高电子传输装置对血液尼古丁的输入效果上并不理想,原因在于过高的尼古丁浓度仅仅带来了过度的击喉感,却很难使用户获得与传统卷烟相同的生理满足感,很大程度上降低了用户的抽吸体验。
尼古丁可与酸反应生成胺盐,人们在烟叶中也发现并提取出了天然尼古丁盐。在第二代电子尼古丁传输装置中,以尼古丁盐代替尼古丁来配制电子雾化液,可以减小对口腔或喉咙黏膜的刺激,从而改善使用体验。除了自然状态下发现的尼古丁复合物,尼古丁盐还可通过尼古丁与有机酸反应合成。有机酸的加入可调节尼古丁的酸碱度,减轻高浓度尼古丁带来的击喉感和不舒适感。在尼古丁盐制备过程中,有机酸的选择不仅会影响合成速率,还会大大影响以合成尼古丁盐为原料制备的雾化液的口感。如申本申请人的专利申请CN111961032A公开了一种高收率的合成尼古丁盐的制备方法,但该方法反应时间较长,实际应用时生产效率较低。
电子尼古丁传输装置通过加热等方式将液态尼古丁盐溶液雾化成蒸汽,从而使尼古丁盐快速通过呼吸系统进入人体被血液吸收。相比传统卷烟,电子尼古丁传输装置在快速解瘾的同时,产生的烟雾较小,可减少对他人的影响;相比于传统的从烟草中提取的尼古丁,用合成尼古丁盐配制电子雾化液可以使尼古丁盐更轻松地被人体血液吸收,既能够在满足尼古丁依赖者的生理需求,又能拥有更舒适的吸入感。
因此,开发一种易于制备、口感优良的尼古丁盐雾化液是保证电子尼古丁传输装置产品品质的关键,而现有的尼古丁盐制备工艺经常会出现比例不稳定、原料选用不合理 等问题,最终影响电子雾化液的口感和吃味。如何提高尼古丁盐产率和使用舒适度,仍然是需要积极探索的技术难题。
发明内容
针对上述技术问题,本申请提供一种简单、高效的新型尼古丁盐的制备方法,可同时保证低烟碱含量和较好的口感,改善抽吸品质。
本申请的上述目的通过以下技术方案得以实施:
一种新型尼古丁盐的制备方法,包括如下步骤:
S1、将有机酸加入溶剂中,加热溶解;
S2、再加入尼古丁,加热,搅拌,得到尼古丁盐。
本申请制备方法中S1所述有机酸为苯甲酸、二羟基苯甲酸、香草酸、肉桂酸、烟酸、水杨酸、山梨酸、乙酰丙酸、乳酸中的一种或多种。
本申请的第二方面提供了另一种新型尼古丁盐的制备方法,具体包括如下步骤:
S1、将有机酸A加入溶剂中,加热溶解;
S2、加入尼古丁,加热、搅拌,得到混合溶液;
S3、再在混合溶液中加入有机酸B,加热、搅拌,得到尼古丁盐。
说明书附图
图1为实施例1制得的尼古丁盐;
图2为实施例2制得的尼古丁盐;
图3为实施例3制得的尼古丁盐;
图4为实施例5制得的尼古丁盐。
具体实施方式
下面通过具体实施例,对本申请的技术方案作进一步描述说明。如果无特殊说明,本申请的实施例中所采用的原料均为本领域常用的原料,实施例中所采用的方法均为本领域的常规方法。应当理解的是,此处所描述的具体实施例仅用于帮助理解本申请,不用于本申请的具体限制。
本申请的一个实施例提供一种新型尼古丁盐的制备方法,包括如下步骤:
S1、将有机酸加入溶剂中,加热溶解;
S2、再加入尼古丁,加热,搅拌,得到尼古丁盐。
在一些实施例中,本申请制备方法中S1所述有机酸为苯甲酸、二羟基苯甲酸、香草酸、肉桂酸、烟酸、水杨酸、山梨酸、乙酰丙酸、乳酸中的一种或多种。
本申请首次采用二羟基苯甲酸、香草酸和肉桂酸等有机酸与尼古丁在加热条件下反应,采用本申请的有机酸制备的尼古丁盐具有酸本身自带的独特风味,从而丰富电子雾化液的香味,带来更好的抽吸体验。
上述方法可以用单独的一种有机酸作为合成原料,也可以用以特定比例的两种或两种以上的混合有机酸来合成尼古丁盐,不同酸混合制得的尼古丁盐还可得到复合的独特芳香,令人愉悦舒适。
在一些实施例中,本申请所述二羟基苯甲酸包括2,3-二羟基苯甲酸、2,4-二羟基苯甲酸、2,5-二羟基苯甲酸(龙胆酸)、2,6-二羟基苯甲酸或3,4-二羟基苯甲酸(原儿茶酸)。
在一些实施例中,上述制备方法中有机酸与尼古丁的质量比为1.0:(0.8-3.0)。
在一些实施例中,本申请制备方法中,步骤S1和S2的加热温度为60~70℃。
在一些实施例中,本申请制备方法中,步骤S1的加热时间为15~30min,步骤S2的加热时间为15~60min。
本申请通过控制加热温度和混合时间来确保酸与尼古丁的充分反应。S1中若加热温度过低,则有机酸不能完全溶解;若加热温度过高,则部分有机酸尼古丁盐会发生分解或“假溶解”(即并未与尼古丁结合,降温就会析出)。因此,加热温度过高或过低都会影响尼古丁盐的合成,将加热温度控制在60~70℃时,尼古丁盐的产出率最高。
本申请的另一实施例提供了另一种新型尼古丁盐的制备方法,具体包括如下步骤:
S1、将有机酸A加入溶剂中,加热溶解;
S2、加入尼古丁,加热、搅拌,得到混合溶液;
S3、再在混合溶液中加入有机酸B,加热、搅拌,得到尼古丁盐。
在一些实施例中,混有机酸尼古丁盐的制备方法中,所述有机酸A与有机酸B的质量比为1.0:(0.1-2)。
在一些实施例中,当以多种有机酸为主要酸、一种酸为辅助酸来合成混有机酸尼古丁盐时,有机酸A为主要酸,有机酸B为辅助酸。在上述方法中,有机酸A为苯甲酸、二羟基苯甲酸、香草酸、肉桂酸、烟酸、水杨酸、山梨酸、乙酰丙酸、乳酸中的至少两 种,有机酸B为苹果酸、柠檬酸、酒石酸中的一种。
本申请的该方法采用分步加料的方式合成有机酸尼古丁盐,反应过程中当加入辅助酸时,已经生成的混有机酸尼古丁盐会进一步形成网络结构,整体趋向于凝胶的状态,这既增加了尼古丁盐自身的稳定性,便于长久保存,又能延长雾化后尼古丁盐的停留时间,使芳香气味更持久。
在一些实施例中,苹果酸包括消旋苹果酸、D-苹果酸、L-苹果酸,酒石酸包括消旋酒石酸、D-酒石酸、L-酒石酸。
在一些实施例中,步骤S1-S3的加热温度为60~70℃。
在一些实施例中,步骤S1的加热时间为15~30min,步骤S2和S3的加热时间为15~60min。
在一些实施例中,本申请所述溶剂为纯净水、食品级乙醇、丙二醇中的一种或多种。
本申请相比于现有技术,具有如下有益效果:
(1)本申请首次采用二羟基苯甲酸、香草酸和肉桂酸作为有机酸原料,使制得的尼古丁盐具有酸本身自带的独特风味,使电子雾化液更接近传统卷烟的口感,提升抽吸品质,更好满足长期吸烟者的需求;
(2)本申请以混酸为原料,采用分步加料的方式合成尼古丁盐,通过加热温度等条件的控制来提高尼古丁盐的产出率;
(3)本申请尼古丁盐的合成以混合有机酸为主要酸,在此基础上还添加了辅助酸,促使尼古丁盐形成凝胶结构,提高了稳定性,有助于延长保存时间,增加香味持久性;
(4)本申请制备工艺简单,操作性强,适于工业生产。
实施例1 原儿茶酸尼古丁盐的制备
将10g的原儿茶酸(3,4-二羟基苯甲酸,以下所述原儿茶酸均为此化合物)加入160mL可食用酒精中,在70℃油浴下加热30min;再加入12g尼古丁,在70℃下持续搅拌60min,得到均相浅粉红色油状的尼古丁盐,如图1所示。
实施例2 香草酸尼古丁盐的制备
将20g的香草酸加入160mL可食用酒精中,在70℃油浴下加热30min;再加入18g尼古丁,在70℃下持续搅拌30min,得到均相棕褐色油状的尼古丁盐,如图2所示。
实施例3 肉桂酸尼古丁盐的制备
将9g的肉桂酸加入180mL可食用酒精中,在65℃油浴下加热30min;再加入10g尼古丁,在65℃下持续搅拌30min,得到均相棕黄色油状的尼古丁盐,如图3所示。
实施例4 以原儿茶酸/乳酸/乙酰丙酸为有机酸的尼古丁盐的制备
将11g原儿茶酸、7g乳酸、9g乙酰丙酸加入160mL可食用酒精中,在70℃油浴下加热30min;再加入12g尼古丁,在70℃下持续搅拌30min,得到均相棕黄色油状的尼古丁盐。
实施例5 以原儿茶酸/乳酸/乙酰丙酸为主要酸的混合酸尼古丁盐的制备
将11g原儿茶酸、7g乳酸、9g乙酰丙酸加入160mL可食用酒精中,在70℃油浴下加热30min;再加入12g尼古丁,在70℃下持续搅拌30min;接着加入苹果酸10g,在70℃下持续搅拌60min,得到均相浅粉红色凝胶状的尼古丁盐,如图4所示。
实施例6 以龙胆酸/乳酸/乙酰丙酸为主要酸的混合酸尼古丁盐的制备
将11g龙胆酸(2,5-二羟基苯甲酸)、7g乳酸、9g乙酰丙酸加入160mL可食用酒精中,在70℃油浴下加热30min;再加入20g尼古丁,在70℃下持续搅拌50min;接着加入苹果酸10g,在70℃下持续搅拌60min,得到均相浅粉红色凝胶状的尼古丁盐。
实施例7 以乳酸/香草酸为主要酸的混合酸尼古丁盐的制备
将8g乳酸、9g香草酸加入160mL可食用酒精中,65℃下油浴加热30min;再加入10g尼古丁,在65℃下持续搅拌30min;再加入苹果酸10g,在65℃下持续搅拌30min,得到均相黄色凝胶状的尼古丁盐。
对比例1
将10g的原儿茶酸加入160mL可食用酒精中,在80℃油浴下加热15min;再加入10g尼古丁,在80℃下持续搅拌30min,得到棕黄色油状的尼古丁盐。
分别取实施例1-7和对比例1制得的尼古丁盐2g,加入100g乙醇和甘油(体积比为1:4)的混合溶剂中,同时加入0.1g三氯蔗糖,混合配置成电子雾化液,装入相同的烟弹设备,由多位专业测评人员进行感官品析。评价指标包括击喉感、刺激性、香气、口感四个方面,测评结果如表1所示。
表1 实施例1-7和对比例1电子雾化液感官品析结果
实施例 击喉感 刺激性 香气 口感
实施例1 击喉感强 基本无刺激 饱满细腻,清香独特 口感柔和细腻
实施例2 击喉感强 基本无刺激 具有独特可可香气 口感柔和细腻
实施例3 击喉感较强 基本无刺激 独特烟熏香气 口感柔和细腻
实施例4 击喉感较强 基本无刺激 饱满细腻 口感柔和细腻
实施例5 击喉感强 基本无刺激 饱满细腻,持久留长 口感柔和细腻
实施例6 击喉感强 基本无刺激 饱满细腻,持久留长 口感柔和细腻
实施例7 击喉感较强 基本无刺激 饱满细腻,持久留长 口感柔和细腻
对比例1 击喉感稍弱 略有刺激 短暂,香味欠满 涩味明显
感官评价结果显示,实施例1-7的尼古丁盐均有独特的风味,令人产生愉悦感和生理满足感,而对比例1的尼古丁盐在常温下轻微析出,电子雾化液中含量下降,香气不足,口感较差,说明在较高温度下尼古丁盐发生假溶解,实际未反应完全。
以上实施例对本申请要求保护的技术方案参数范围内点值未穷尽之处以及在实施例技术方案中对单个或者多个技术特征的同等替换形成的新的技术方案,同样都在本申请要求的保护范围内,并且本申请方案所有涉及的参数间如无特别说明,则相互之间不存在不可替换的唯一组合。

Claims (16)

  1. 一种新型尼古丁盐的制备方法,包括:
    S1、将有机酸加入溶剂中,加热溶解;
    S2、再加入尼古丁,加热,搅拌,得到所述新型尼古丁盐;
    所述有机酸为苯甲酸、二羟基苯甲酸、香草酸、肉桂酸、烟酸、水杨酸、山梨酸、乙酰丙酸、乳酸中的一种或多种。
  2. 根据权利要求1所述的新型尼古丁盐的制备方法,其中,所述有机酸与尼古丁的质量比为1.0:(0.8-3.0)。
  3. 根据权利要求1所述的新型尼古丁盐的制备方法,其中,所述步骤S1和S2的加热温度为60~70℃。
  4. 根据权利要求1所述的新型尼古丁盐的制备方法,其中,所述步骤S1的加热时间为15~30min。
  5. 根据权利要求1所述的新型尼古丁盐的制备方法,其中,所述步骤S2的加热时间为15~60min。
  6. 根据权利要求1所述的的新型尼古丁盐的制备方法,其中,所述溶剂为纯净水、食品级乙醇、丙二醇中的一种或多种。
  7. 一种新型尼古丁盐的制备方法,包括:
    S1、将有机酸A加入溶剂中,加热溶解;
    S2、加入尼古丁,加热、搅拌,得到混合溶液;
    S3、再在混合溶液中加入有机酸B,加热、搅拌,得到所述新型尼古丁盐。
  8. 根据权利要求7所述的新型尼古丁盐的制备方法,其特征在于,所述有机酸A与有机酸B的质量比为1.0:(0.1-2)。
  9. 根据权利要求7所述的新型尼古丁盐的制备方法,其中,所述S1中有机酸A为苯甲酸、二羟基苯甲酸、香草酸、肉桂酸、烟酸、水杨酸、山梨酸、乙酰丙酸、乳酸中的至少两种。
  10. 根据权利要求7所述的新型尼古丁盐的制备方法,其中,所述S3中有机酸B为苹果酸、柠檬酸、酒石酸中的一种。
  11. 根据权利要求7所述的新型尼古丁盐的制备方法,其中,步骤S1-S3的加热温度为60~70℃。
  12. 根据权利要求7所述的新型尼古丁盐的制备方法,其中,步骤S1的加热时间 为15~30min。
  13. 根据权利要求7所述的新型尼古丁盐的制备方法,其中,所述步骤S2和S3的加热时间为15~60min。
  14. 一种新型尼古丁盐,由权利要求1-12任一项所述新型尼古丁盐的制备方法制备所得。
  15. 一种电子雾化液,包括权利要求13所述新型尼古丁盐。
  16. 根据权利要求13所述的电子雾化液,包括所述新型尼古丁盐2g、乙醇和甘油100g,三氯蔗糖0.1g,所述乙醇及甘油的体积比为1:4。
PCT/CN2022/079380 2022-01-24 2022-03-04 一种电子雾化液、新型尼古丁盐及其制备方法 WO2023137837A1 (zh)

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