Wrapper for Non-Combustion Flavor Inhalation Articles
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Solution Overview
Problem
Non-combustion heating type flavor inhalation articles face issues with wrapper deterioration and handleability due to heating, leading to tearing or breaking of the wrapper.
Innovation Solution
A wrapper with a base paper having a grammage of 40 g/m² or more and containing a filler of 10 wt% or less, providing enhanced tensile strength and durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the wrapper is made with conventional paper for combustion type tobacco, then the paper can be produced with standard grammage and filler content, but the wrapper deteriorates when heated in non-combustion heating type flavor inhalation articles, leading to tearing or breaking
Solution Approach 1:
The patent applies parameter changes by modifying the grammage of the base paper to 40 g/m² or more and controlling the filler content to 10 wt% or less. These parameter adjustments enhance the paper's heat resistance and tensile strength, preventing wrapper deterioration during non-combustion heating while maintaining manufacturability.
Solution Approach 2:
The patent uses composite materials by combining a base paper with specific grammage and filler content characteristics. This composite structure provides both heat resistance and mechanical strength, solving the contradiction between wrapper integrity and heating damage resistance.
2Strength
If the base paper grammage is increased to improve tensile strength and heat resistance, then the wrapper maintains integrity after heating, but the manufacturing cost and material usage increase
Solution Approach 1:
The patent optimizes the grammage parameter to 40 g/m² or more, which provides sufficient tensile strength and heat resistance. This parameter setting achieves the required strength while controlling material consumption, as increasing grammage beyond this point would provide diminishing returns while increasing cost.
Solution Approach 2:
The patent applies local quality by controlling filler content to 10 wt% or less in specific regions of the paper structure. This localized optimization maintains strength while reducing overall material consumption and manufacturing complexity.
Data Source
Figure 1(1)~2
Figure 3
AI summary
A wrapper for a non-combustion-heated flavor inhalation article comprising a base paper that has a basis weight of at least 40 g/m2 and contains not more than 10 wt% of a filler.