Coated Plug Wrap for Smoking Articles Using Acrylate Binders
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Solution Overview
Problem
Conventional plug wraps for smoking articles face issues with strength, moisture resistance, and flavor retention, leading to defects and diminished user experience due to high porosity and adhesive weakening effects.
Innovation Solution
A coated plug wrap is developed using a base paper with hardwood pulp fibers and a coating comprising acrylate, styrene, butadiene, or their combinations, applied to enhance mechanical strength, prevent flavor escape, and inhibit air dilution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If high porosity plug wrap is used to maintain burn characteristics, then permeability is improved, but strength deteriorates
Solution Approach 1:
The invention uses a composite material consisting of cellulose acetate fibers (providing porosity and permeability) combined with a binding agent (providing strength). This composite structure allows the plug wrap to simultaneously achieve high permeability for proper burn characteristics and sufficient strength to withstand handling and assembly forces without failing.
2Reliability
If adhesive glue is applied to plug wrap for filter attachment, then reliability of filter attachment is improved, but strength deteriorates due to wetting
Solution Approach 1:
The invention changes the chemical parameters of the plug wrap by incorporating specific binding agents and potentially modifying the cellulose acetate fiber properties. This allows the paper to maintain its strength even when exposed to adhesive moisture, as the binding agent creates a more resistant matrix that resists degradation from wetting during the gluing process.
3Reliability
If plug wrap is exposed to heat and cooling during filter formation, then filter setting is improved, but strength deteriorates due to condensation
Solution Approach 1:
The invention modifies the thermal and moisture resistance parameters of the plug wrap through the use of heat-resistant binding agents and hydrophobic treatments. These parameter changes enable the plug wrap to withstand the thermal cycling and condensation exposure during filter formation without significant strength loss, as the modified material structure resists moisture absorption and thermal degradation.
4Ease of manufacture
If conventional plug wrap is used, then manufacturing simplicity is improved, but flavor retention deteriorates due to porosity
Solution Approach 1:
The invention changes the pore size and distribution parameters of the plug wrap by controlling the cellulose acetate fiber arrangement and binding agent properties. This creates a refined pore structure that maintains adequate permeability for burn control while reducing the size and connectivity of pores enough to trap flavoring agents and oils, preventing their migration to the tipping paper and external environment.
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 coated plug wrap provides improved mechanical strength, reduced flavor escape, and enhanced user experience with better taste and aroma retention, while maintaining moisture resistance and oil resistance.
Implementation Method 1
the flavorings or liquids may pass through the filter and plug wrap to the tipping paper
Implementation Method 2
air may penetrate through the surface of the plug wrap and tipping paper and dilute the smoke in the smoking article
Data Source
AI summary
The present invention is directed to a coated plug wrap for a smoking article. The coated plug wrap is comprised of a base paper and a coating. In accordance with the present disclosure, the base paper may be comprised of hardwood pulp fibers and optionally, softwood pulp fibers. The base paper may be coated with a coating material such as an acrylate, a styrene, a butadiene, a starch, a starch derivative, a cellulose derivative, an alginate, a polyvinyl alcohol, a polyvinyl acetate, a gelatin, a gum, or a combination thereof. In one embodiment, the coated plug wrap may be incorporated into a smoking article.