Amorphous Solid Matrix for Tobacco Aerosol Generation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing non-combustible aerosol generation technologies face challenges in producing a desirable inhalable aerosol with tobacco materials, particularly with cut rag tobacco blends, which often require high aerosol generating agent content and can result in undesirable sensory characteristics when heated.
Innovation Solution
An aerosol-generating composition comprising an amorphous solid with 25-80 wt% aerosol generating agent, 15-75 wt% gelling agents like cellulosic agents and guar gum, and 15 wt% filler, optionally including active substances, which is combined with tobacco material to achieve an aerosol generating agent content of 5-30 wt% in the final composition, enhancing aerosol generation without relying on high amounts of reconstituted tobacco.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If high aerosol generating agent content is used in cut rag tobacco blends, then aerosol generation is improved, but sensory characteristics deteriorate
Solution Approach 1:
The patent applies composite materials by combining cut rag tobacco blend with an amorphous solid matrix containing gelling agents (cellulosic gelling agents, guar gum, or acacia gum) and fillers. This composite structure allows the aerosol generating agent to be distributed within a matrix that controls its release and interaction with tobacco material, achieving desirable aerosol generation without the negative sensory effects associated with high aerosol generating agent content in conventional blends.
Solution Approach 2:
The patent changes the physical state and distribution parameters of the aerosol generating agent by incorporating it into an amorphous solid matrix. This transforms the conventional approach of mixing aerosol generating agent directly with tobacco blend into a structured matrix system, where the agent's concentration, distribution, and release characteristics are controlled by the matrix composition rather than direct blending ratios.
2Quantity of substance
If reconstituted tobacco is used to improve aerosol generation, then aerosol quality is improved, but manufacturing complexity increases
Solution Approach 1:
The patent changes the physical form of the aerosol generating agent delivery system from reconstituted tobacco (which requires complex processing of tobacco waste materials into sheets or strands) to an amorphous solid matrix. This matrix can be manufactured through simpler processes such as drying gel formulations, eliminating the need for complex reconstitution operations while maintaining controlled aerosol generation capabilities.
3Productivity
If aerosol generating agent content is increased to compensate for low tobacco material content, then aerosol generation is improved, but sensory characteristics deteriorate
Solution Approach 1:
The patent creates a composite material system where the amorphous solid matrix acts as a carrier and modulator for the aerosol generating agent. This composite structure allows high aerosol generating agent content (25-80 wt% of the amorphous solid) to be incorporated without direct contact between the agent and tobacco material, preventing the formation of undesirable sensory characteristics while maintaining high aerosol generation efficiency.
Solution Approach 2:
The amorphous solid matrix serves as an intermediary between the aerosol generating agent and the tobacco material. This intermediate structure allows the aerosol generating agent to function effectively while preventing direct interaction that would create negative sensory effects, thus mediating the relationship between agent concentration and sensory quality.
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 composition effectively generates a desirable aerosol with improved sensory characteristics by balancing aerosol generating agent content and tobacco material, reducing the need for reconstituted tobacco and minimizing undesirable sensory effects.
Implementation Method 1
one or more gelling agents selected from cellulosic gelling agents, guar gum, acacia gum and mixtures thereof
Implementation Method 2
The heating volatilizes at least one component of the material, typically forming an inhalable aerosol
Data Source
AI summary
An aerosol-generating composition including an amorphous solid, the amorphous solid having : (a) aerosol generating agent in an amount of from about 25 to 80 wt% of the amorphous solid; (b) one or more gelling agents selected from cellulosic gelling agents, guar gum, acacia gum and mixtures thereof; (c) filler in an amount of at least about 15 wt% of the amorphous solid; and (d) optionally, active substance; wherein the amount of gelling agent and filler taken together is from about 20 to 75 wt% of the amorphous solid.