Segmented Cigarette Rod with Polysaccharide Gel for Menthol Delivery
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Solution Overview
Problem
Menthol cigarettes experience a gradual increase in menthol delivery during smoking, leading to insufficient menthol feeling at the initial puffs, and excessive menthol can contaminate the cigarette paper or volatilize during storage, failing to maintain desired delivery.
Innovation Solution
A cigarette design with a tobacco rod divided into distal, center, and proximal portions, where the distal end portion contains a volatile flavor-containing material incorporated in a polysaccharide gel, ensuring increased menthol delivery at the initial puff without exuding during storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the amount of menthol with which cut tobacco is impregnated is increased, then the delivery amount of menthol in smoke is increased, but the menthol exudes on the cigarette paper and contaminates the package
Solution Approach 1:
The tobacco rod is divided into multiple sections with different menthol content distributions. The distal end portion contains tobacco filler with higher menthol content to provide strong initial menthol delivery, while the proximal end portion contains tobacco filler with lower or no menthol content to prevent exuding and contamination during storage and later smoking stages.
Solution Approach 2:
Different portions of the tobacco rod are assigned different menthol characteristics. The distal end portion is designed with high menthol content for initial flavor impact, while the proximal end portion is designed with low or zero menthol content to avoid contamination issues, creating localized quality differences throughout the tobacco rod.
2Quantity of substance
If menthol is added by a too much amount, then the menthol feeling is enhanced, but the menthol contaminates the package through exuding on the cigarette paper
Solution Approach 1:
The tobacco rod is segmented into distal and proximal end portions with different menthol content levels. This segmentation allows high menthol content to be concentrated in the distal end where it provides flavor without contacting the package, while the proximal end has low or no menthol to prevent exuding and package contamination.
Solution Approach 2:
The cigarette paper acts as an intermediary barrier that separates the tobacco filler from the package. By designing the proximal end portion with low or no menthol content, the system prevents menthol from penetrating through the cigarette paper and contaminating the package, while still allowing sufficient menthol delivery from the distal end portion.
3Quantity of substance
If menthol is excessively added to increase delivery amount, then initial menthol feeling is improved, but menthol volatilizes during storage and desired amount is not released at smoking
Solution Approach 1:
The tobacco rod is divided into sections with different menthol content distributions. The distal end portion contains higher menthol content to ensure sufficient volatile flavor delivery at the initial puff, while the proximal end portion contains lower or no menthol to reduce overall volatility during storage, maintaining delivery consistency after storage.
Solution Approach 2:
Different portions of the tobacco rod are assigned different menthol characteristics based on their functional requirements. The distal end portion has high menthol content for initial flavor impact, while the proximal end portion has low or zero menthol content to minimize volatilization during storage, creating localized quality differences that resolve the contradiction between initial delivery and storage stability.
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 design significantly enhances menthol delivery at the initial puff and maintains the desired amount throughout smoking, preventing menthol contamination and volatilization, thus providing a consistent menthol experience.
Implementation Method 1
a volatile flavor-containing material incorporated in a polysaccharide gel
Data Source
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AI summary
A cigarette comprising a tobacco rod in which a tobacco filler containing cut tobacco is wrapped with a cigarette paper, the tobacco rod being constituted by a distal end portion, a proximal end portion and a center portion, and a filter, the proximal end portion being connected to the filter, wherein the distal end portion comprises a volatile flavor-containing material incorporated in a gel of a polysaccharide, the center portion comprises the volatile flavor-containing material or does not comprise the volatile flavor-containing material, the proximal end portion comprises the volatile flavor-containing material or does not comprise the volatile flavor-containing material, and there is no case where both the center portion and the proximal end portion comprise the volatile flavor-containing material.