Salted Spray-Dried Perfume Microcapsule Particles to Reduce Explosion Risk
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Solution Overview
Problem
Perfume microcapsules are highly flammable and pose explosion risks during storage and transport, necessitating a safer manufacturing and handling process.
Innovation Solution
A process involving the preparation of an aqueous perfume microcapsule mixture with sodium chloride, followed by spray-drying to create a salted spray-dried perfume microcapsule particle, reducing flammability and explosion risks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If perfume microcapsules are used to provide freshness benefits, then the effectiveness of laundry treatment is improved, but the flammability and explosion risk increases
Solution Approach 1:
Sodium chloride serves as an intermediary substance that reduces the flammability of perfume microcapsules. The salt forms a non-flammable matrix around the perfume microcapsules, acting as a protective mediator that maintains the freshness functionality while eliminating the explosion hazard during storage and transport
Solution Approach 2:
The invention changes the physical and chemical parameters of the perfume microcapsule system by introducing sodium chloride. This parameter change transforms the highly flammable perfume microcapsules into a salted composition with significantly reduced flammability, while maintaining the perfume release functionality through controlled spray-drying processes
2Reliability
If sodium chloride is added to reduce flammability, then the safety is improved, but the manufacturing process complexity increases
Solution Approach 1:
The invention merges the sodium chloride addition step with the existing spray-drying process. By combining these operations into an integrated manufacturing flow where salted aqueous perfume microcapsule mixtures are directly spray-dried, the process complexity is minimized while achieving the safety benefits of reduced flammability
3Object-affected harmful factors
If sodium chloride is added to the aqueous perfume microcapsule mixture, then the flammability risk is reduced, but the concentration control becomes more difficult
Solution Approach 1:
The invention establishes specific parameter ranges for sodium chloride concentration (2.0-10.0 wt% in the aqueous mixture, resulting in 4.0-20.0 wt% in the final spray-dried particle) to optimize the balance between flammability reduction and manufacturing controllability. These parameter specifications enable precise concentration control while achieving the desired safety improvements
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 resulting salted spray-dried perfume microcapsules exhibit low flammability and explosion risk, ensuring safer handling and storage.
Implementation Method 1
The addition of sodium chloride into an aqueous perfume microcapsule mixture that is subsequently spray-dried provides a salted spray-dried perfume microcapsule particle that has low flammable risk
Implementation Method 2
contacting sodium chloride to the aqueous perfume microcapsule mixture to form a salted aqueous perfume microcapsule mixture
Implementation Method 3
spray-drying the salted aqueous perfume microcapsule mixture to form a salted spray-dried perfume microcapsule particle
Data Source
AI summary
The present invention relates to a process of making a salted spray-dried perfume microcapsule particle.