Wax Formulation Contraction for Container Release
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Solution Overview
Problem
Wax formulations used in containers, such as votive candles, often result in difficult-to-remove after-burn residue, which can lead to user injury due to adherence to the container walls, making safe removal challenging.
Innovation Solution
A wax formulation comprising paraffin wax, stearic acid, polyethylene, microcrystalline wax, linear alcohol, and a volatile active substance, with specific weight percentages that allow the wax to contract and pull away from the container surface upon cooling, facilitating easy removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional wax formulations are used in containers, then the candle provides normal burning function, but the after-burn residue adheres strongly to container walls making removal difficult and potentially injurious
Solution Approach 1:
The patent modifies the physical and chemical parameters of the wax formulation by incorporating specific additives (polyethylene, microcrystalline wax, linear alcohols) that change the cooling and contraction characteristics of the wax. These parameter changes enable the wax to detach from container walls during cooling, resolving the adherence problem while maintaining burning functionality.
Solution Approach 2:
The patent creates a composite wax formulation by combining paraffin wax with multiple additives including polyethylene, microcrystalline wax, and linear alcohols. This composite material exhibits improved contraction properties during cooling that enable easy removal from containers, while the base paraffin wax maintains the candle's burning characteristics.
2Ease of operation
If the wax formulation is designed to contract and pull away from container surface, then residue removal becomes easy and safe, but the formulation complexity increases with multiple additives
Solution Approach 1:
Rather than using complex mechanical or chemical removal mechanisms, the patent simply changes the thermal contraction parameters of the wax formulation. By adding small amounts of specific substances that modify cooling behavior, the wax naturally detaches from containers, achieving safe removal without complex removal mechanisms or procedures.
Data Source
AI summary
The aspects presented herein provide wax formulations and candles having improved release characteristics from containers.