Aerosol-Generating Material Binder Composition for Moisture Stability
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Solution Overview
Problem
Conventional aerosol-generating materials, particularly those containing tobacco extracts, suffer from volatile components like nicotine and flavors decreasing over time, leading to reduced concentration and increased moisture sensitivity, which affects aerosol quality and requires high energy input for use.
Innovation Solution
A composition comprising a dried aerosol-generating material from flavor- and/or active-containing plant extracts combined with a binder, with a ratio of 1:10 to 2:1 by weight, which protects the material from moisture and maintains high concentration of desired components, allowing for efficient aerosol generation with low energy input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If aerosol-generating material containing plant extracts is used, then authentic flavor and active components are provided, but volatile components decrease over time leading to reduced concentration and moisture sensitivity
Solution Approach 1:
The patent employs a disposable cartridge containing the aerosol-generating material and binder composition. The entire composition is replaced after use, eliminating the need to maintain volatile component concentration over time. This disposable approach resolves the contradiction by accepting short product lifetime in exchange for maintaining high volatile component concentration during the product's active life.
Solution Approach 2:
The patent creates a composite material by combining aerosol-generating material with a binder in a specific ratio (1:10 to 2:1 by weight). This composite structure protects volatile components from degradation while maintaining their concentration. The binder matrix encapsulates and preserves the volatile active components and flavors, resolving the stability-concentration contradiction.
2Productivity
If conventional aerosol-generating materials are used, then aerosol generation is achieved, but high energy input is required and moisture absorption reduces efficiency
Solution Approach 1:
The patent changes the physical and chemical parameters of the aerosol-generating material by combining it with a binder in a controlled ratio (1:10 to 2:1 by weight). This parameter change modifies the material's moisture resistance and energy requirements. The binder composition alters the material properties to reduce moisture absorption and lower the energy input needed for efficient aerosol generation.
3Duration of action of stationary object
If binder is added to protect from moisture, then shelf life is extended and moisture absorption reduced, but composition complexity increases
Solution Approach 1:
The patent applies binder material locally around the aerosol-generating material at specific ratios (1:10 to 2:1 by weight). This localized application provides moisture protection exactly where needed without unnecessarily complicating the entire composition. The binder is strategically positioned to protect the volatile components while maintaining a relatively simple overall structure.
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 provides a stable, high-concentration aerosol-generating material with extended shelf life, reducing moisture absorption and energy requirements, while maintaining authentic flavor and texture, suitable for use in both combustible and non-combustible aerosol provision systems.
Implementation Method 1
the binder is selected from the group consisting of: thermoreversible gelling agents; starches; polysaccharides; polysaccharide derivatives; celluloses; cellulose derivatives; gums; protein materials; polyol matrix materials; waxes; wax esters; and other polymers
Data Source
AI summary
The invention relates compositions comprising an aerosol-generating material and a binder, the aerosol-generating material comprising a dried precursor material comprising an extract from a flavour- and/or active-containing plant material and optionally an aerosol-former material. The compositions may be used to generate an aerosol. For example, the compositions may be used in combustible or non-combustible aerosol-provision systems. The invention also relates to aerosol-provision systems comprising the compositions, and methods of providing the compositions and substrates comprising the compositions.