Cyclodextrin Cooling Agent Complex on Mouthpiece Surface
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Solution Overview
Problem
Existing smoking articles face challenges in providing a stable and predictable physiological cooling sensation on the outer surface of the mouthpiece without causing unwanted volatile taste components or migration of cooling agents, which can alter the taste experience.
Innovation Solution
A cyclodextrin cooling agent inclusion complex is applied to the outer surface of the mouthpiece, using non-volatile compounds like carboxamide or menthoxy containing compounds, which form a stable complex that remains in place and does not migrate, providing a consistent cooling sensation without affecting the taste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a cooling agent is placed on the outer surface of the mouthpiece, then a cooling sensation is provided to the user, but the cooling agent migrates away from the surface to an inner portion of the smoking article
Solution Approach 1:
A barrier layer is introduced as an intermediary substance between the cooling agent and the mouthpiece surface. This barrier layer prevents the cooling agent from migrating into the inner portions of the smoking article while still allowing it to contact the user's lips and provide cooling sensation. The barrier layer acts as a mediator that controls the interaction between the cooling agent and the mouthpiece structure.
Solution Approach 2:
The barrier layer is implemented as a thin film structure that can be applied to the mouthpiece surface. This thin film is flexible enough to allow user contact and cooling agent transfer to the lips, while being sufficiently intact to prevent migration of the cooling agent into the inner portions of the smoking article during storage and use.
2Reliability
If a cooling agent is placed on the outer surface of the mouthpiece, then a cooling sensation is provided to the user, but unwanted volatile taste components are released that alter the taste experience
Solution Approach 1:
The barrier layer serves as an intermediary that selectively allows certain substances to pass while blocking others. It permits the cooling agent to transfer to the user's lips for cooling sensation, while simultaneously blocking volatile taste components from being released, thereby preventing alteration of the expected taste experience.
Solution Approach 2:
The barrier layer provides different properties at different interfaces: it is permeable to the cooling agent at the user-contact interface while being impermeable to volatile taste components. This local differentiation of permeability properties allows selective control over what substances can migrate through the barrier layer.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The cyclodextrin cooling agent inclusion complex effectively maintains a stable and active presence on the mouthpiece for an extended period, providing a predictable cooling sensation to the user's lips without altering the taste experience, even after six months of storage, without the need for additional barrier layers.
Implementation Method 1
a cyclodextrin cooling agent inclusion complex disposed on the outer surface
Data Source
Figure 1
AI summary
A smoking article includes a mouthpiece having an outer surface and a cooling agent inclusion complex disposed on the outer surface.