Aerosol-Generating Sheet Composition for Heat and Winding Strength
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Solution Overview
Problem
Existing aerosol-generating articles face issues such as excessive heat transfer to the user, mechanical weakness during winding, delivery of non-active components, and off-flavors or odors, necessitating improvements in manufacturing efficiency and product quality.
Innovation Solution
A sheet for aerosol-generating articles comprising a support, filler, aerosol-generating material, binder, and moisture-regulating agent, with specific weight ratios and components to minimize heat transfer, enhance mechanical properties, and reduce non-active component delivery, while ensuring flavor and odor neutrality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the sheet contains high moisture content to reduce heat transfer, then user heat comfort is improved, but mechanical strength deteriorates causing tearing during winding
Solution Approach 1:
The patent optimizes the moisture content parameter to a specific range (4-12% by weight) to simultaneously achieve heat reduction and maintain mechanical strength. This parameter optimization resolves the contradiction by finding the optimal balance point where sufficient moisture reduces heat transfer to the user while maintaining enough structural integrity to prevent tearing during winding.
Solution Approach 2:
The patent uses a composite material structure combining support material (cellulose-based), binder (polymer), and moisture-regulating agent (metal oxide or hydroxide). This composite formulation allows the sheet to have controlled moisture content while maintaining mechanical strength, as the support and binder provide structural framework while the moisture-regulating agent controls heat transfer properties.
2Strength
If conventional sheet materials are used to ensure mechanical strength, then winding integrity is improved, but heat transfer to user increases
Solution Approach 1:
The patent changes the moisture content parameter from conventional low levels to an optimized range (4-12%), which fundamentally alters the thermal properties of the sheet. This parameter change enables the sheet to maintain winding integrity while significantly reducing heat transfer to the user during vaporization.
Solution Approach 2:
The patent introduces a moisture-regulating agent (metal oxide or hydroxide) as an intermediary substance that mediates between the support material and the user. This intermediary absorbs excess heat during vaporization, acting as a thermal buffer that protects the user from excessive heat while allowing the sheet to maintain sufficient mechanical strength for winding.
3Reliability
If aerosol-generating material is added to deliver active components, then therapeutic effect is improved, but non-active component delivery increases
Solution Approach 1:
The patent applies local quality by using a support material (cellulose-based) that is specifically resistant to non-active component adhesion, while the binder and moisture-regulating agent are optimized to promote active component delivery. This localized functional differentiation ensures that the support structure does not contribute harmful non-active components while still providing mechanical integrity.
4Manufacturing precision
If traditional manufacturing processes are used to maintain quality control, then product consistency is improved, but manufacturing speed decreases
Solution Approach 1:
The patent optimizes formulation parameters (moisture content: 4-12%, support material: 40-80 parts, binder: 5-20 parts) to enable faster manufacturing while maintaining product consistency. These parameter changes allow for more rapid drying and vaporization processes, increasing manufacturing speed without sacrificing the uniformity and reliability of active component delivery.
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 solution effectively reduces user heat, enhances mechanical strength, minimizes non-active component delivery, and improves manufacturing speed, resulting in a superior aerosol-generating article with enhanced user satisfaction and efficiency.
Implementation Method 1
having a moisture content of 4 parts by weight or more and 12 parts by weight or less based on 100 parts by weight of the sheet for an aerosol-generating article
Implementation Method 2
the support may comprise a water-insoluble porous material
Implementation Method 3
generating aerosol by heating an aerosol-generating material such as a medium
Data Source
Figure 1~3
Figure 4
AI summary
According to one aspect, there is provided a sheet for an aerosol-generating article, including a support, a filler, an aerosol forming material, a binder, a moisture-regulating agent, and an active material, and having a moisture content of 4 parts by weight or more and 12 parts by weight or less based on 100 parts by weight of the sheet for an aerosol-generating article.