Core-Shell Nicotine Granule Manufacturing via Seed Elimination
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Solution Overview
Problem
Existing methods for manufacturing nicotine granules are time-consuming and costly, and they do not efficiently transfer nicotine or provide varying taste intensities with a single aerosol generating article.
Innovation Solution
A method of manufacturing nicotine granules with a core-shell structure, where a capsule containing a base solution is formed and then coated with a nicotine raw material, eliminating the need for a seed formation process and allowing for adjustable nicotine transfer and taste intensity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a traditional seed forming process with adhesive is used to manufacture nicotine granules, then the granules can be formed, but the production time and cost increase
Solution Approach 1:
The invention extracts and eliminates the seed forming process with adhesive from the traditional manufacturing method. Instead of forming granules through a multi-step process requiring seed beads and adhesive binding, the patent directly forms nicotine granules by spraying nicotine-containing solution onto substrate particles, removing the unnecessary seed formation step and reducing both time and complexity
Solution Approach 2:
The manufacturing process is segmented into distinct sequential steps: substrate preparation, solution spraying, and granule formation. This segmentation allows each step to be optimized independently and eliminates the need for the interconnected seed-forming process, thereby reducing overall production time and simplifying the manufacturing workflow
2Adaptability or versatility
If a single aerosol generating article is designed, then device simplicity is maintained, but it cannot provide varying taste intensities without modification
Solution Approach 1:
The invention applies local quality by incorporating multiple granule types with different nicotine concentrations and flavor profiles into a single aerosol generating article. Each granule maintains its distinct properties (nicotine strength, flavor intensity) while coexisting in the same article, allowing users to experience varying taste intensities without changing the device structure
Solution Approach 2:
The aerosol generating article achieves multi-functionality by being capable of delivering multiple nicotine strengths and flavor intensities through a single device. The article universally accommodates different granule compositions and can provide various user experiences (mild, medium, strong nicotine delivery) without requiring multiple specialized devices or modifications
3Productivity
If heating mode is used to transfer nicotine, then nicotine transfer efficiency increases, but device lifespan decreases and user satisfaction with non-heating mode is reduced
Solution Approach 1:
The invention changes the key parameter of nicotine delivery from thermal-based (heating) to mechanical-based (rubbing). By formulating granules with rub-off nicotine and adjusting the physical and chemical parameters of the granule composition, the system achieves effective nicotine transfer through rubbing alone, eliminating the need for heating and thereby extending device lifespan
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
This method reduces production time and cost, allows for increased nicotine transfer upon user selection, and provides a single aerosol generating article that can offer various taste intensities without heating, thereby enhancing user satisfaction and extending device lifespan.
Implementation Method 1
the capsule includes a base solution
Implementation Method 2
the shell includes a nicotine raw material
Data Source
AI summary
Provided is a nicotine granule having a core-shell structure, in which the core includes a capsule including a base solution, and the shell includes a nicotine raw material.