Method for preparing round emulsion beads using low temperature cooling and the product thereof
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Solution Overview
Problem
Current methods for preparing emulsion beads fail to maintain their shape at room temperature without swelling or disintegration, and when applied to the skin, they can cause an unpleasant foreign substance feeling due to graininess.
Innovation Solution
A cryogenic freezing method is employed to form solid round emulsion beads by dropping liquid emulsion into a low-temperature refrigerant, which can be coated with a solid or gel-forming composition to maintain shape stability and facilitate easy disintegration into a liquid emulsion upon application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If emulsion beads are prepared using conventional methods, then they can be easily manufactured, but they fail to maintain their shape at room temperature and cause grainy feelings on skin
Solution Approach 1:
The patent employs phase transition by freezing liquid emulsion droplets into solid beads using a freezing solvent. This phase change from liquid to solid state enables the beads to maintain their shape at room temperature while preventing the grainy feeling associated with conventional emulsion beads, as the solid structure provides shape stability without disintegration
Solution Approach 2:
The patent changes the physical state parameter of the emulsion beads from liquid to solid through freezing. This parameter change allows the beads to maintain shape stability at room temperature and eliminates the grainy feeling on skin, while still allowing easy disintegration into liquid form upon application
2Ease of operation
If emulsion beads are stored at room temperature, then they are convenient for use, but they swell and disintegrate losing their shape
Solution Approach 1:
The patent uses phase transition to create solid emulsion beads that remain stable at room temperature. The solid phase structure prevents swelling and disintegration that occur with conventional liquid emulsion beads, maintaining shape integrity during storage while still being convenient for use
3Manufacturing precision
If liquid emulsion is dropped into freezing solvent, then solid round emulsion beads are formed, but they require low temperature storage
Solution Approach 1:
The patent employs phase transition from liquid to solid through freezing to form round emulsion beads with high shape precision. The freezing process creates a solid structure that maintains its shape, and while low temperature storage is required to maintain this solid state, the shape formation precision is significantly improved compared to conventional methods
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 method allows for stable storage and use of solid emulsion beads at low temperatures, which maintain shape at room temperature and disintegrate easily into a liquid without grainy feelings when applied, providing a smooth application experience.
Implementation Method 1
dropping liquid emulsion into a low-temperature refrigerant, which can be coated with a solid or gel-forming composition to maintain shape stability
Implementation Method 2
A cryogenic freezing method is employed to form solid round emulsion beads by dropping liquid emulsion into a low-temperature refrigerant
Data Source
AI summary
The present invention relates to a method for manufacturing solid round emulsion beads by dropping liquid emulsion into a cryogenic freezing refrigerant. The obtained solid round emulsion beads can be stored and used at a low temperature. The solid round emulsion beads can be coated with a solution containing a composition which is solid at room temperature or which can form gel. The emulsion beads can be prepared by using liquid emulsion containing additional composition, which is solid at room temperature or can form gel, in the water phase of oil-in-water (O/W) emulsion or the oil phase of oil-in-water (W/O) emulsion. The emulsion beads prepared by the present invention can maintain its shape without swelling and/or damage but with stability and does not give any grainy feeling when the liquid emulsion was applied on the skin.