High-Density Reconstituted Tobacco Sheet Reducing Draw Resistance
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Solution Overview
Problem
Conventional heating devices for tobacco that avoid combustion struggle to provide satisfactory organoleptic properties due to high draw resistance when using reconstituted tobacco, which can lead to unsatisfactory user experience.
Innovation Solution
A high-density reconstituted plant sheet with a density of at least 0.60 g/cm³, composed of two fibrous supports with refined plant fibers and a plant extract composition, including an aerosol-generating agent, is used to enhance aerosol generation and reduce draw resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the mass of reconstituted tobacco in the stick is increased to generate aerosols with better organoleptic properties, then the organoleptic properties of the aerosol are improved, but the draw resistance increases excessively
Solution Approach 1:
The patent applies composite materials by combining reconstituted tobacco particles with binding agents and additives to form a reconstituted tobacco sheet with optimized physical and chemical properties. This composite structure allows increasing the mass of tobacco material while maintaining acceptable draw resistance through the binding matrix that facilitates aerosol generation.
Solution Approach 2:
The patent changes physical parameters of the reconstituted tobacco sheet including density (0.4-0.8 g/cm³), thickness, porosity, and particle size distribution. By optimizing these parameters, the sheet can contain sufficient tobacco mass for good organoleptic properties while maintaining structural characteristics that allow adequate airflow and aerosol formation without excessive draw resistance.
2Quantity of substance
If the density of the reconstituted plant sheet is increased to improve aerosol generation, then the mass of tobacco is increased, but the draw resistance may increase
Solution Approach 1:
The patent optimizes the density parameter within a specific range (0.4-0.8 g/cm³) to balance tobacco mass and draw resistance. This parameter optimization ensures sufficient tobacco content for aerosol generation while preventing excessive density that would impede airflow and increase draw resistance beyond acceptable levels.
Solution Approach 2:
The patent applies local quality by creating heterogeneous structures within the reconstituted tobacco sheet, including variations in particle size distribution, binding agent concentration, and porosity across different regions. This allows denser areas to provide sufficient tobacco mass while less dense regions maintain airflow pathways, collectively achieving good aerosol generation without excessive overall draw resistance.
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 high-density reconstituted plant sheet improves the mass of tobacco in heating devices, resulting in aerosols with enhanced organoleptic properties while maintaining acceptable draw resistance, thus offering a better user experience compared to conventional reconstituted plant sheets.
Implementation Method 1
the tobacco is then heated by the device at a temperature below the combustion temperature without being burnt, which leads to the formation of an aerosol
Data Source
AI summary
The invention relates to a multilayer reconstituted plant sheet suitable for devices which heat tobacco without burning it, said reconstituted plant sheet having a high density.