Egg Coating Agent for Dye Adhesion and Stain Prevention
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for dyeing eggs using synthetic dyes result in poor adhesion to the eggshell, leading to discoloration and strong interior staining, which affects aesthetics and usability.
Innovation Solution
Applying a lacquer-based coating agent to the egg surface, combined with a dye solution and an organic acid in a heated water bath, prevents interior staining and ensures the dye adheres well to the shell, using a flexible material for easy handling and minimizing hand discoloration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If synthetic dyes are used to achieve brilliant color effects, then coloration quality is improved, but interior staining of the egg occurs and adhesion to the shell is poor
Solution Approach 1:
The eggshell surface is pre-treated with a coating agent containing lacquer component, acid, and surfactant before dyeing. This preliminary action modifies the shell surface properties to enable better dye adhesion and prevent interior staining, allowing synthetic dyes to be used effectively without their harmful side effects.
Solution Approach 2:
A coating agent acts as an intermediary substance between the synthetic dye and the eggshell. This coating layer facilitates dye adhesion to the shell surface while simultaneously preventing the dye from penetrating into the egg interior, thus enabling brilliant coloration without interior staining.
2Illumination intensity
If synthetic dyes are used for strong coloring, then color intensity is improved, but discoloration occurs on hands during handling
Solution Approach 1:
The eggshell surface is pre-coated with a protective lacquer-based coating before applying the synthetic dye. This preliminary protective layer acts as a barrier that prevents direct contact between the dye and the handler's hands, eliminating discoloration issues while maintaining strong color intensity on the eggshell.
3Object-affected harmful factors
If natural dyes are used, then interior staining is reduced, but coloration quality and adhesion are insufficient
Solution Approach 1:
The chemical parameters of the eggshell surface are modified by applying a coating agent containing acid and surfactant. This changes the surface properties to enhance dye adhesion, enabling natural dyes to achieve both reduced interior staining and improved coloration quality through the modified surface interaction.
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 brilliant coloration without interior staining, making the eggs easy to handle and maintain their appearance, with the coating agent preventing dye transfer during handling.
Implementation Method 1
a surface of at least one egg is provided with at least one coating agent, comprising a lacquer component
Implementation Method 2
at least one inorganic and/or organic acid selected from a group comprising hydrochloric acid, sulfuric acid, phosphoric acid, acetic acid, lactic acid, citric acid
Implementation Method 3
a boiled egg is understood to mean an egg whose at least albumen has hardened to a predominant proportion, preferably more than 75%
Data Source
AI summary
The method comprises providing an egg with a coating agent comprising a coating component on a sheet material, introducing the egg into a closed container, placing the container in water, introducing a dye solution into the container, adding an inorganic and/or organic acid comprising hydrochloric acid, sulfuric acid, phosphoric acid, acetic acid, lactic acid, citric acid, tartaric acid, oxalic acid, ascorbic acid, isoascorbic acid, fumaric acid, adipic acid, succinic acid and/or gluconic acid 5-lactone to the container, and placing the container into a container with a liquid. The method comprises providing an egg with a coating agent comprising a coating component on a sheet material, introducing the egg into a closed container, placing the container in water, introducing a dye solution into the container, adding an inorganic and/or organic acid comprising hydrochloric acid, sulfuric acid, phosphoric acid, acetic acid, lactic acid, citric acid, tartaric acid, oxalic acid, ascorbic acid, isoascorbic acid, fumaric acid, adipic acid, succinic acid and/or gluconic acid-5-lactone to the container, placing the container into another container with a liquid, and heating the liquid. The heating step is carried out until the egg is cooked. The container is closed with a vapor permeable closure. A surface of the egg is completely provided with the coating agent. The acid has concentration of 2.5-30 mmole/l. The method further comprises adjusting pH value of the mixture in the container to 6 before heating. An independent claim is included for a system for the treatment of eggs.