CN111084419B - 具有凉爽剂包络物的吸烟制品烟嘴 - Google Patents

具有凉爽剂包络物的吸烟制品烟嘴 Download PDF

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CN111084419B
CN111084419B CN202010082091.3A CN202010082091A CN111084419B CN 111084419 B CN111084419 B CN 111084419B CN 202010082091 A CN202010082091 A CN 202010082091A CN 111084419 B CN111084419 B CN 111084419B
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A·卡迪里克
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Abstract

一种吸烟制品包括具有外表面和设置在外表面上的凉爽剂包络物的烟嘴。

Description

具有凉爽剂包络物的吸烟制品烟嘴
本申请是原始中国专利申请号201380022787.5,申请日2013年3月15日,发明名称“具有凉爽剂包合物的吸烟制品烟嘴”的分案申请。
本发明涉及带有烟嘴的吸烟制品,烟嘴包括在烟嘴外表面上的凉爽剂包络物。
吸烟制品通常包括烟草基体部分和烟嘴部分。烟嘴部分接触消费者的嘴部或唇部。许多燃烧式吸烟制品,例如香烟,使用包装层,已知为“水松”包装纸将烟嘴包装连接到烟草基体上。该包装层典型地形成吸烟制品的烟嘴部分的外层,或接触消费者嘴部或唇部的层。其他吸烟制品设计为使用热量、空气流、化学反应、或这些机理的结合,来向消费者递送烟草基体的成分。这些非燃烧式吸烟制品也包括围绕烟嘴部分的包装材料,其中包装材料接触消费者的嘴部或唇部。
一些吸烟制品通过使用凉爽剂例如薄荷醇来寻求清爽感。当这些凉爽剂气化并接触人体特别是口腔、鼻腔和咽喉的黏膜时,其提供了生理上的清凉感觉。
对于某些吸烟制品来说,希望的是在吸烟制品烟嘴的外表面上提供稳定的凉爽剂以向使用者提供清凉感。希望的是该凉爽剂保持在吸烟制品烟嘴的预期表面上,使得凉爽剂在吸烟体验过程中可以向使用者的唇部提供可预料的生理清凉感。还希望的是稳定的凉爽剂不提供不想要的挥发性味觉成分,其改变了吸烟制品提供的期望的味觉体验。
根据本发明,提供了一种带有具有外表面和设置在外表面上的凉爽剂包络物的烟嘴的吸烟制品。在许多实施方案中,凉爽剂是非挥发性化合物或非薄荷醇化合物。凉爽剂可以是包含酰胺的化合物或包含薄荷氧基的化合物。凉爽剂和环糊精包络物不会从其所设置的表面上迁移走。在许多实施方案中,包络物包括凉爽剂和环糊精化合物,例如β-环糊精化合物。在吸烟制品的烟嘴的制备中使用凉爽剂和环糊精包络物将在下面进一步描述。
根据本发明的吸烟制品提供了一种向使用者唇部提供可预料的生理清凉感的有效途径。已经发现在吸烟制品的包装材料上设置的非挥发性凉爽化合物倾向于从吸烟制品的表面向内部迁移走,在吸烟制品内部不能与消费者的唇部或手指发生物理接触。本发明的凉爽剂包络物保持稳定并且在吸烟制品烟嘴的外表面上长期保持。凉爽剂和环糊精包络物是没有气味的,并且不提供不希望的挥发性味觉成分,其改变吸烟制品所提供的预期味觉体验。凉爽剂包络物可以设置在水松纸上并且接着输送通过制造过程和吸烟制品的组装过程而不影响凉爽剂包络物的稳定性。
术语“凉爽剂”指的是这样的化合物,当其接触消费者的人体和,特别是唇部和手指时,提供生理清凉感。
术语“水松”包装纸指的是这样的包装材料,其可以由纸或聚合物或其他材料和其他任选的填充材料制成。水松包装纸设置在吸烟制品烟嘴的至少一部分周围。水松包装纸通常将烟嘴(例如过滤单元)连接到烟草基体。
优选地,凉爽剂是非挥发性的。术语“非挥发性”指的是这样的化合物或材料,其在正常室温和压力下不易蒸发。薄荷醇,其化学名称为2-异丙基-5-甲基环己醇,在这里被视为是挥发性的。术语非挥发性的一个量度是化合物或材料具有小于薄荷醇的蒸气压,即是,小于大约8.5Pa、或小于大约5Pa或小于大约2.5Pa,均在25摄氏度。
术语“烟嘴”指的是设计为接触消费者嘴部的吸烟制品部分。在传统吸烟制品中,它可以是吸烟制品的包括过滤嘴的部分,或在一些情况下,烟嘴由水松纸的延伸长度限定。其他情况下,烟嘴可以限定为从吸烟制品的嘴端延伸大约40mm的吸烟制品的部分,或从吸烟制品的嘴端延伸大约30mm的吸烟制品部分。
根据本发明的吸烟制品包括具有设置在外表面上的凉爽剂包络物的烟嘴。凉爽剂可以为任何有用的非挥发性凉爽剂或非薄荷醇类凉爽剂,或既是非挥发性凉爽剂又是非薄荷醇类凉爽剂。在许多实施方案中凉爽剂的蒸汽压小于薄荷醇的蒸汽压,即是,在25摄氏度时大约8.5Pa。在许多实施方案中凉爽剂的蒸汽压为在25摄氏度时小于大约5Pa。在一些实施方案中,凉爽剂的蒸汽压为在25摄氏度时小于大约2.5Pa。
本文中确定的化学结构和化学式名称不表示特定的立体化学。应理解为每个化学结构和化学式名称的所有立体和光学异构体都被认为包括在本文中。包括以下描述的凉爽剂的凉爽剂的代表性列举和描述在WO2009/027331中提供。
在许多实施方式中,凉爽剂是包含酰胺的化合物。为了清楚,酰胺基团也可以称为氨基羰基基团。在很多这些实施方案中包含酰胺的化合物具有结构(I):
Figure GDA0003668501060000031
其中R是C1-C12直链或支链烷基或烷氧基,或亚芳基或吡啶基。这些R基团可以是独立的未取代的或取代的。这些R基团可以是独立的未取代的或由氧、氮、或羟基取代的。优选地,R是C1-C6直链或支链烷基或烷氧基,或亚芳基或吡啶基,其中的任一个可以是如以上提到的未取代的或取代的。示例性的包含酰胺的化合物结构包括以下结构:
Figure GDA0003668501060000041
包含酰胺的化合物的示例性列举包括:N-乙基-p-薄荷烷基-3-甲酰胺(I-A也已知为WS-3);3-(p-薄荷烷-3-甲酰胺)醋酸乙酯(I-B也已知为WS-5);N-(乙氧基羰甲基)-p-薄荷烷-3-甲酰胺;N-(4-氰甲基苯基)-p-薄荷烷甲酰胺;N-(4-氨基羰基苯基)-p-薄荷烷;或N-(4-甲氧基苯基)-p-薄荷烷甲酰胺(I-C也已知为WS-12);或N-(2-(吡啶-2-基-)乙基)-3-p-薄荷烷甲酰胺(I-D也已知为FEMA 4549)。优选的包含酰胺的化合物包括N-乙基-p-薄荷烷-3-甲酰胺(I-A)或3-(p-薄荷烷-3-甲酰胺)醋酸乙酯(I-B)。
在其他实施方案中包含酰胺的化合物具有结构(II):
Figure GDA0003668501060000051
其中R1为C1-C6直链或支链烷基或烷氧基;且每个R2为独立地选自由C1-C3直链或支链烷基组成的组中。优选地,R1为C1-C4直链或支链烷基或烷氧基,且每个R2为独立地选自由C1-C3直链或支链烷基组成的组中。示例性的包含酰胺的化合物的结构包括以下:
Figure GDA0003668501060000052
包含酰胺的化合物的示例性列举包括:2-异丙基-N,2,3-三甲基丁酰胺(II-A也已知为WS-23);N-(2-乙氧乙基)-2,3-二甲基-2-异丙基丁酰胺;或N-(1-异丙基-1-甲基异丁基)茴香酰胺;或N-乙基-2,2-二异丙基丁酰胺(II-B也已知为FEMA 4557);或N-(2-羟乙基)-2-异丙基-2,3-二甲基丁酰胺(II-C也已知为FEMA 4602)。优选的包含酰胺的化合物包括2-异丙基-N,2,3-三甲基丁酰胺(II-A)。
在许多实施方案中,凉爽剂为包含薄荷烷氧基的化合物。在许多实施方案中凉爽剂和包含薄荷烷氧基的化合物不包括薄荷醇。在许多这些实施方案中包含薄荷烷氧基的化合物具有结构(III):
Figure GDA0003668501060000061
其中R3为C1-C6直链或支链烷基或烷氧基。R3可以是未取代的或取代的。在一些实施方案中,R3被氧、氮、或羟基取代。示例性的包含薄荷烷氧基的化合物结构包括以下:
Figure GDA0003668501060000062
Figure GDA0003668501060000071
包含薄荷烷氧基的化合物的示例性列举包括:乳酸薄荷基酯(III-C也已知为FEMA3748);琥珀酸单薄荷基酯;戊二酸单薄荷基酯;吡咯烷-2-酮-5-羧酸薄荷基酯;4-(N,N-二甲氨基)-4-氧代丁酸薄荷基酯;3-羟基丁酸薄荷基酯;3-薄荷烷氧基丙烷-1,2-二醇;2-薄荷烷氧基乙醇(III-A也已知为FEMA4154);薄荷酮甘油缩酮;薄荷烷-3,8-二醇;或;或薄荷基甲基醚(III-B也已知为FEMA 4054)。
在许多实施方案中,凉爽剂包络物是环糊精凉爽剂包络物,其包括凉爽剂,例如一种或多种以上所述的凉爽剂和环糊精。环糊精与凉爽剂结合形成了凉爽剂和环糊精之间的包络物。该包络物是笼形配合物或宾主型配合物,其中凉爽剂包合在处于分子水平的环糊精内。环糊精形成了围绕凉爽剂的“阱”,并且通过分子固定化,确保凉爽剂不在整个吸烟制品烟嘴的表面迁移。当使用者将他们的唇部置于吸烟制品烟嘴上并将设置在其上的包络物润湿时,包络物解离并且释放凉爽剂,对使用者的唇部和手指造成生理清凉感。
考虑用于本发明的环糊精具有环形结构,并且能够与以上所述的任何凉爽剂形成包络物。本发明涉及的环糊精包括α-环糊精、β-环糊精、γ-环糊精和它们的混合物。α-环糊精是具有6个吡喃葡萄糖单元的环形结构化合物;β-环糊精是具有7个吡喃葡萄糖单元的环形结构化合物;γ-环糊精是具有8个吡喃葡萄糖的环形结构化合物。在许多实施方案中,用于包络物中的环糊精是β-环糊精和任何以上所述的冷却剂。关于环糊精的进一步的细节在美国专利No.4,751,095中公开。例如,环糊精是商购可得的并且可不经修饰用于本发明中。
在一个实施方案中,提供了一种制备凉爽剂和环糊精的包络物的方法。环糊精选自由α-环糊精、β-环糊精、γ-环糊精和它们的混合物组成的组。优选地,环糊精为β-环糊精。可替代地,环糊精可以为β-环糊精或γ-环糊精。包络物通过将环糊精溶解在适合于包络物形成的介质中来形成。适合的介质包括水性液体,环糊精在其中是可溶的,并且凉爽剂在其中是能够分散的。优选的介质为水。然而,主要是水并具有少量醇的水性液体也是适合的。例如,甲醇、乙醇或异丙醇的水溶液,环糊精在其中是可溶的,是适合的。
在一个示例性实施方案中,环糊精以低于它的溶解度限度水平溶解在水性介质中。将凉爽剂加入该溶液当中,同时搅拌该溶液以将凉爽剂分散并且形成凉爽剂环糊精包络物。最终的包络物产物接着用于吸烟制品烟嘴的制备。
在许多实施方案中,包络物通过印刷、喷涂或涂覆施加到水松包装纸上。在吸烟制品的制备过程中,包络物保持在水松包装纸的施加表面上。在一些实施方案中包络物涂覆的水松包装纸被输送通过水松包装纸辊、转鼓、破碎机(breaker)和包装操作。令人惊奇地包络物经过所有这些操作过程都保持稳定、活性并且保持在水松纸上。接着,水松包装纸可以被施加到吸烟制品的烟嘴上,例如过滤单元,例如来形成吸烟制品。在其他实施方案中,在吸烟制品的制备过程中,包络物被施加到吸烟制品烟嘴的外表面上。例如,当水松包装纸处于吸烟制品的烟嘴处时,包络物被喷涂或印刷或涂覆到水松包装纸上。
包络物可以包括在传统燃烧式吸烟制品的烟嘴的外表面上,或它可以包括在构造为使用热量、气流或化学反应递送烟草成分的非燃烧式吸烟制品的烟嘴的外表面上。
已经发现,在至少一个实施方案中,凉爽剂和环糊精的包络物保持稳定、活性并且保持在水松包装纸上至少6个月。因此,不使用另外的阻挡层或涂层,凉爽剂不从水松包装纸的施加表面迁移走,并且在吸烟制品6个月的存储时间后,向使用者唇部提供了产生生理性清凉感的吸烟制品。凉爽剂和环糊精的包络物还在抽烟体验过程中不提供令人不快的味觉。
虽然以下就香烟吸烟制品描述了凉爽剂和环糊精的包络物,但是凉爽剂包络物可以用于其他吸烟制品。这些其他吸烟制品设计为使用热量、气流、化学反应或这些机制的结合来向消费者递送烟草基体的成分。许多这些非燃烧式吸烟制品还包括围绕烟嘴部分的包装材料,其中包装材料与消费者的嘴部或唇部接触。凉爽剂和环糊精的包络物可以用在这些吸烟制品的烟嘴上以向消费者的唇部或手指或两者提供生理清凉感。
优选地,吸烟制品包括介于大约0.01mg和大约10mg的所述凉爽剂,更优选地介于大约0.01mg和大约2mg之间,和最优选地介于大约0.05mg和大约1mg之间。在许多实施方案中,凉爽剂设置在吸烟制品的烟嘴的外包装的外表面上,例如穿过外包装的整个表面。在许多实施方案中,凉爽剂均匀地设置在外包装上,以便接触消费者的唇部和指尖。
优选地,凉爽剂仅设置在烟嘴的部分外表面上。例如在一些实施方案中凉爽剂仅被设置在烟嘴的外表面的第一个大约15mm的嘴端部分,优选的仅在烟嘴的外表面的第一个大约12mm的嘴端部分。这可以允许在吸烟制品被使用时,凉爽剂接触消费者的唇部。在一些其他实施方案中凉爽剂仅被设置成超过外包装的第一个大约12mm的嘴端部分,优选地超过外包装的第一个大约15mm的嘴端部分。当吸烟制品被使用时,这可以允许凉爽剂接触消费者的指尖。可替代地,在一些其他实施方案中,凉爽剂可以设置在穿过烟嘴的整个外表面。
下面将参考附图,通过仅示例的方式对本发明进行进一步描述,其中:
图1显示了根据本发明的吸烟制品的横截面示意图,其具有设置在烟嘴的外表面的凉爽剂和环糊精的包络物;
图1中所示的吸烟制品10包括烟草基体或烟草杆12,其连接到烟嘴14,并与之轴向对齐,在这里显示为过滤嘴14。烟嘴或过滤嘴14包括滤塞16,其可以由包装在成型纸18内的醋酸纤维素形成。水松包装纸19将烟草杆12与轴向排列的烟嘴或过滤嘴14连接。
凉爽剂和环糊精的包络物20被设置在烟嘴或过滤嘴14的外表面上。在许多实施方案中凉爽剂和环糊精包合物20被设置在水松包装纸19上,其形成了烟嘴外表面的至少一部分。
如图1所示,凉爽剂和环糊精包络物20不需要阻挡层或任何其他层来防止凉爽剂和环糊精包络物20的迁移。在不需要使用另外的层或涂层的情况下,凉爽剂和环糊精包络物20保持稳定、活性且在水松纸上保持延长的时间段。
实施例
进行感官研究以确定,与已经陈化了6个月的相同的香烟相比,具有设置在水松纸上的凉爽剂包络物是否可以提供更强烈的清凉感觉。
准备三个不同的香烟的组(1P,2P,3P),并且交给评审小组进行感官研究。每一组由未陈化版本的香烟和已经陈化6个月的相应版本的香烟组成。在每种情况下,在水松纸上使用等量的凉爽剂制备香烟。
Figure GDA0003668501060000101
表1-香烟分类
评审小组被要求湿润他们的唇部,将第一支香烟的过滤嘴部分塞入他们嘴部的左侧,并且抽吸未点燃的香烟两次,接着移走香烟。评审小组接着被要求重复该过程,但是第二支香烟在他们嘴部的右侧。在两支香烟移走之后几秒,评审小组接着被要求说明哪支香烟提供了更强烈的清凉感。每对香烟以随机顺序被提供给小组成员7次。每对香烟包括一支未陈化的香烟和一支相应的陈化香烟,如表1所示。
由评审小组提供的结果如以下的表2所示。
Figure GDA0003668501060000102
表2-评审小组的反应
已经发现对于实施的每次测试,未陈化香烟和陈化香烟之间没显著不同。即是,与已经陈化6个月的相同的香烟相比,评审小组研究完全没有发现具有设置在水松纸上的凉爽剂包络物的香烟将提供更强烈的清凉感。

Claims (14)

1.一种吸烟制品,其包括:
烟嘴,其包括滤嘴和设置在滤嘴的至少一部分周围的水松纸;所述水松纸具有外表面;和
设置在水松纸外表面上的凉爽剂包络物,其用于防止凉爽剂通过水松纸迁移到所述吸烟制品的内部,凉爽剂包络物包含环糊精和非挥发性凉爽剂,
其中所述凉爽剂包含选自下组的凉爽剂:包含酰胺的化合物和包含薄荷烷氧基的化合物,所述包含薄荷烷氧基的化合物具有结构(III):
Figure FDA0003974435110000011
其中R3为C1-C6直链或支链烷基或烷氧基,或
其中包含薄荷烷氧基的化合物具有以下结构(III-A):
Figure FDA0003974435110000012
或其中包含薄荷烷氧基的化合物具有以下结构(III-C):
Figure FDA0003974435110000021
2.根据权利要求1所述的吸烟制品,其中不使用另外的层或涂层,凉爽剂包络物保持稳定、活性并且保持在水松纸上至少6个月。
3.根据权利要求1或2所述的吸烟制品,其中凉爽剂包络物通过印刷、喷涂或涂覆施加到水松纸的外表面上。
4.根据权利要求1或2所述的吸烟制品,其中吸烟制品包括介于0.01mg和10mg的所述凉爽剂。
5.根据权利要求1或2所述的吸烟制品,其中凉爽剂是包含酰胺的化合物。
6.根据权利要求5所述的吸烟制品,其中包含酰胺的化合物具有结构(I):
Figure FDA0003974435110000022
其中R为C1-C12直链或支链烷基或烷氧基,或亚芳基或吡啶基,或其中包含酰胺的化合物具有以下结构(I-B):
Figure FDA0003974435110000031
7.根据权利要求5所述的吸烟制品,其中包含酰胺的化合物为N-乙基-p-薄荷烷-3-甲酰胺、3-(p-薄荷烷-3-甲酰胺基)醋酸乙酯、N-(乙氧基羰甲基)-p-薄荷烷-3-甲酰胺、N-(4-氰甲基苯基)-p-薄荷烷甲酰胺、N-(4-氨基羰基苯基)-p-薄荷烷、N-(4-甲氧基苯基)-p-薄荷烷甲酰胺或N-(2-(吡啶-2-基-)乙基)-3-p-薄荷烷甲酰胺。
8.根据权利要求5所述的吸烟制品,其中包含酰胺的化合物为N-乙基-p-薄荷烷-3-甲酰胺或3-(p-薄荷烷-3-甲酰胺基)醋酸乙酯。
9.根据权利要求5所述的吸烟制品,其中包含酰胺的化合物具有结构(II):
Figure FDA0003974435110000032
其中R1为C1-C6直链或支链烷基或烷氧基;且每个R2为独立地选自由C1-C3直链或支链烷基组成的组,或其中包含酰胺的化合物具有以下结构(II-C):
Figure FDA0003974435110000041
10.根据权利要求5所述的吸烟制品,其中包含酰胺的化合物为2-异丙基-N,2,3-三甲基丁酰胺、N-(2-乙氧乙基)-2,3-二甲基-2-异丙基丁酰胺、N-(1-异丙基-1-甲基异丁基)茴香酰胺、N-乙基-2,2-二异丙基丁酰胺或N-(2-羟乙基)-2-异丙基-2,3-二甲基丁酰胺。
11.根据权利要求5所述的吸烟制品,其中包含酰胺的化合物为2-异丙基-N,2,3-三甲基丁酰胺。
12.根据权利要求1或2所述的吸烟制品,其中凉爽剂为包含薄荷烷氧基的化合物。
13.根据权利要求12所述的吸烟制品,其中包含薄荷烷氧基的化合物为乳酸薄荷基酯、琥珀酸单薄荷基酯、戊二酸单薄荷基酯、吡咯烷-2-酮-5-甲酸薄荷基酯、4-(N,N-二甲氨基)-4-氧代丁酸的薄荷基酯、3-羟基丁酸薄荷基酯、3-l-薄荷烷氧基丙烷基-1,2-二醇、2-l-薄荷烷氧基乙醇、薄荷酮甘油缩酮、p-薄荷烷-3,8-二醇或薄荷基甲基醚。
14.制备用于吸烟制品的烟嘴的方法,所述烟嘴包括滤嘴元件和设置在滤嘴的至少一部分周围的水松纸;所述方法包括:
通过印刷、喷涂或涂覆将凉爽剂包络物施加到水松纸的外表面上,
将水松纸施加到滤嘴元件上,
凉爽剂包络物包含环糊精和蒸气压为在25摄氏度时小于8.5Pa的非挥发性凉爽剂,其中所述包络物防止凉爽剂通过烟嘴表面迁移,并且
其中所述凉爽剂包含选自下组的凉爽剂:包含酰胺的化合物和包含薄荷烷氧基的化合物,所述包含薄荷烷氧基的化合物具有结构(III):
Figure FDA0003974435110000051
其中R3为C1-C6直链或支链烷基或烷氧基,或
其中包含薄荷烷氧基的化合物具有以下结构(III-A):
Figure FDA0003974435110000052
或其中包含薄荷烷氧基的化合物具有以下结构(III-C):
Figure FDA0003974435110000053
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