CN101883833B - 气溶胶抽吸器用气溶胶产生液 - Google Patents

气溶胶抽吸器用气溶胶产生液 Download PDF

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CN101883833B
CN101883833B CN200880118576.0A CN200880118576A CN101883833B CN 101883833 B CN101883833 B CN 101883833B CN 200880118576 A CN200880118576 A CN 200880118576A CN 101883833 B CN101883833 B CN 101883833B
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片山和彦
矢岛盛雄
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Abstract

气溶胶抽吸器用气溶胶产生液(L)包括：在丙二醇溶剂中溶解有亲油性香料L-薄荷醇的主成分和添加在该主成分中的羧酸，该羧酸在25℃温度下的蒸气压为1×10-9至20mmHg。

Description

气溶胶抽吸器用气溶胶产生液
技术领域
本发明涉及适用于下述气溶胶抽吸器中的香料溶液的气溶胶产生液，使用者进行抽吸动作时，所述气溶胶抽吸器产生由香料溶液加热气溶胶化而成的气溶胶，且该气溶胶与抽吸空气一起被使用者抽吸，所述气溶胶抽吸器尤其是进行类似吸烟(疑似喫煙)的气溶胶抽吸器。
背景技术
例如日本特表2000-510763号公报、专利第3484233号公报以及专利第3488717号公报中公开了这种气溶胶抽吸器，就这些公开的抽吸器而言，其用于产生气溶胶的香料雾化方式各不相同。具体而言，特表2000-510763号公报的抽吸器是通过加热含有香料的香料溶液来使其雾化的，专利第3484233号公报的抽吸器是通过对香料溶液施加超声波来使其雾化的，专利第3488717号公报的抽吸器是通过喷雾香料溶液来使其雾化的。
发明内容
本发明要解决的课题
利用上述气溶胶抽吸器，无论以何种方式使所用的香料溶液雾化，产生的气溶胶中的香气成分比例即香气成分的气溶胶化效率都很低。因此，使用者在抽吸空气和气溶胶时，无法充分品味到气溶胶化的香气成分即香气气溶胶的香气。
另外，由于香气气溶胶的持续性很低，所以在香气气溶胶的抽吸为类似吸烟的情况下，尽管香气气溶胶流入到使用者的口腔里，香气气溶胶也会瞬间消失。因此，使用者无法像通常吸香烟那样细细地品味到香气气溶胶的香气。
本发明的目的在于提供一种气溶胶抽吸器所用的气溶胶产生液，其能够产生充足量的香气气溶胶，并且使用者经由口腔内能够细细品味香气气溶胶的香气。
解决问题的方法
为了达到以上目的，本发明的用于气溶胶抽吸器的气溶胶产生液包含：使溶剂中含有亲油性香料而得到的主成分、添加在该主成分中的羧酸，该羧酸在25℃温度下的蒸气压为1×10-9至20mmHg。
羧酸在主成分中的含量优选在10重量％以下，而且，羧酸包括选自醋酸、酒石酸，己二酸、柠檬酸、月桂酸中的一种以上。
使用者在使用气溶胶抽吸器以香气气溶胶的形式抽吸上述气溶胶产生液时，与不含有该羧酸的气溶胶产生液相比，包含于气溶胶产生液中的羧酸提高了气溶胶产生液中香料气溶胶化的效率以及香气气溶胶的持续性。
具体而言，主成分包含溶剂丙二醇和香料L-薄荷醇，这种气溶胶产生液适用于类似吸烟。
发明的效果
上述气溶胶产生液用于类似吸烟时，气溶胶产生液能够高效地产生持续性高的香气气溶胶。其结果，使用者可以经由其口腔内充分品味香气气溶胶的风味与味觉，也可以像通常吸香烟那样享受类似吸烟。
附图说明
[图1]为截面图，其示出了试验所用气溶胶抽吸器的一例。
[图2]为香气气溶胶的透射光衰减系数与经过时间的关系图。
具体实施方式
气溶胶抽吸器所用的气溶胶产生液包含主成分以及在主成分中作为添加剂添加的羧酸。具体而言，主成分是由溶剂以及包含于该溶剂中的亲油性香料形成，羧酸在25℃条件下的蒸气压为1×10-9至20mmHg。
这种羧酸在主成分中的含量为10重量％以下，优选3重量％。这种羧酸为选自醋酸、酒石酸、己二酸、柠檬酸、月桂酸中的一种或者是其中任意2种以上的混合物。
实施例
分别准备以下气溶胶产生液A～F。
气溶胶产生液A～F的主成分都是由主溶剂丙二醇和亲油性香料L-薄荷醇构成的。气溶胶产生液A～E中各自含有醋酸、酒石酸、己二酸、柠檬酸和月桂酸作为羧酸。气溶胶产生液F仅由上述主成分组成。
气溶胶产生液A～F中组成成分的比例如下表1所示。
[表1]
A B C D E F
 丙二醇(W％)   65   65   72   65   65   75
 L-薄荷醇(W％)   25   25   25   25   25   25
 醋酸(W％)   10   0   0   0   0   0
 酒石酸(W％)   0   10   0   0   0   0
 己二酸(W％)   0   0   3   0   0   0
 柠檬酸(W％)   0   0   0   10   0   0
 月桂酸(W％)   0   0   0   0   10   0
对于上述气溶胶产生液A～F，为了比较这些气溶胶产生液的香气气溶胶化效率、香气气溶胶的持续性以及香气气溶胶的风味和味觉，进行了以下试验1～3。
试验1
每次以一定的供给量(例如2mg)分别将气溶胶产生液C、F用于图1所示的气溶胶抽吸器，进行气溶胶化，接着通过滤器收集从该抽吸器烟嘴中送出的香气气溶胶。然后，分别算出滤器收集到的气溶胶产生液C、F的收集量与气溶胶产生液C、F的供应量的比值，即气溶胶产生液C、F的收集效率，结果如下表2所示。
[表2]
  C   F
  收集效率   72％   66％
从表2可以看出，与不含己二酸的气溶胶产生液F相比，含有己二酸作为羧酸的气溶胶产生液C的收集效率高。这说明：气溶胶产生液C的气溶胶化效率即香料的气溶胶化效率高于气溶胶产生液F。
图1示出了上述试验1中所用的气溶胶抽吸器1。关于这个抽吸器1做以下简要说明。
抽吸器1装备有套管4，该套管4包含由其后端突出的烟嘴2。另外，套管4在其前端部的外面具有外界气体导入口6，而在其内部具有气溶胶产生流路8。该气溶胶产生流路8从外界气体导入口6开始延伸至烟嘴2。
在气溶胶产生流路8的一部分设置有管状电加热器10，这个电加热器装在套管4里面。加热器10与电供给线路12形成电连接，该电供给线路12包含电源开关14。电源开关14开启时，电供给线路12就给电加热器10供电，使电加热器10的温度上升至指定的温度。
另外，套管4内收纳有盒式的注射泵16。该注射泵16的注射管17中配备了活塞20，活塞20在注射管17中设置有泵室18。活塞20通过球窝接头21与螺旋式活塞杆22连接，而活塞杆22贯穿注射管17的隔板19，被该隔板19支撑并可自由旋转。
再者，活塞杆22通过旋转凸轮24与回复弹簧26与按钮28相连，按钮28具有推杆30。这个推杆30从按钮28向旋转凸轮24突出，它的前端有推进杆32。按钮28即推杆30每压入/还原操作一次，推进杆32与旋转凸轮24一起作用，每次将活塞20向泵室18内推进一定的距离，这样泵室18的体积就会减小。
另外，液体通路34由泵室18向气溶胶产生流路8延伸，这个液体通路34在加热器10上游的合流位置X与气溶胶产生流路8合流。所以，通过使泵室18以及液体通路34内充满上述气溶胶产生液C或者F的溶液L，进行按钮28的压入/还原操作，将与活塞20的移动距离相对应量的溶液L供给气溶胶产生流路8的合流位置X。
这时，如果使用者通过烟嘴2抽吸气溶胶产生流路8内的空气，则外界气体就会从外界气体导入口6导入气溶胶产生流路8内，在气溶胶产生流路8内形成抽吸空气流。这种抽吸空气流使合流位置X的溶液L向加热器10移动，溶液L到达加热器10时，溶液L被加热器10加热雾化形成香气气溶胶，该香气气溶胶与抽吸空气一起被从烟嘴送出。
这里，正如上述说明供给合流位置X的溶液L的量为2mg。而且，在抽吸器1的烟嘴2处连接香烟的自动吸烟机(图中未示出)，该自动吸烟机进行上述的抽吸动作。
试验2
向图1的抽吸器里分别装入气溶胶产生液A～F，接着自动吸烟机对抽吸器1反复进行上述抽吸动作10次，香气气溶胶分别由抽吸器1送出。将送出的10次量的香气气溶胶封入气密性容器里。然后，激光照射气密性容器里的香气气溶胶，测定激光的透射光强度，即透射光衰减系数随时间的变化。
图2中的Da～Df分别表示香气气溶胶Ca～Cf的透射光衰减系数随时间的变化情况，香气气溶胶Ca～Cf分别由气溶胶产生液A～F产生。
由图2可以清楚地看出，香气气溶胶Ca～Ce的透射光衰减系数低于香气气溶胶Cf。这说明香气气溶胶Ca～Ce的持续性比香气气溶胶Cf要高。
试验3
感官刺激受试者实际使用图1所示的气溶胶抽吸器，分别抽吸香气气溶胶的Cc与Cf，对这些香气气溶胶Cc、Cf进行了评价。评价结果如下所示。
就香气气溶胶Cf而言，口腔内L-薄荷醇的感官刺激很强，而香气气溶胶Cc，从口腔至咽喉深部均能感受到L-薄荷醇的感觉刺激，另外，吐出香气气溶胶Cc时依然能够保持L-薄荷醇的感觉刺激。这说明由气溶胶产生液C得到的香气气溶胶Cc的持续性要高于由气溶胶产生液F得到的香气气溶胶Cf。

Claims (4)

1.气溶胶抽吸器用气溶胶产生液，所述气溶胶抽吸器用于在进行抽吸动作时使香料溶液加热雾化形成气溶胶，并将该气溶胶与抽吸空气流一起进行抽吸，其中，
用于所述香料溶液的气溶胶产生液包含：在溶剂中含有亲油性香料而得到的主成分和添加在上述主成分中的己二酸，上述气溶胶产生液中含有3重量％的上述己二酸。
2.根据权利要求1所述的气溶胶产生液，其中，上述溶剂包含丙二醇。
3.根据权利要求1所述的气溶胶产生液，其中，上述香料包含L-薄荷醇。
4.根据权利要求1所述的气溶胶产生液，其中，上述主成分包含作为溶剂的丙二醇和作为香料的L-薄荷醇。
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