Glass Microsphere Nail Coating for Smooth Abrasion Resistance
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Solution Overview
Problem
Nail coatings with incorporated polymer particles do not exhibit the expected abrasion resistance due to softening and dissolution of the polymer network, leading to irregular surfaces and reduced durability.
Innovation Solution
Incorporation of glass microspheres with an average diameter of 25 to 55 microns into a polymerizable monomer or preformed film former for nail coatings, forming a smooth and abrasion-resistant composite coating through repeated application and treatment with chemical agents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If polymer particles are incorporated into nail coating compositions to enhance abrasion resistance, then the coating should exhibit improved hardness and durability, but the polymer particles soften and dissolve in the coating composition, leading to irregular surfaces and reduced abrasion resistance
Solution Approach 1:
The patent changes the material parameter from organic polymer particles to inorganic glass microspheres, which have fundamentally different thermal and chemical stability properties. Glass microspheres maintain their structural integrity and do not soften or dissolve in the coating composition, thereby resolving the stability issue while maintaining abrasion resistance enhancement
Solution Approach 2:
The patent creates a composite nail coating composition by incorporating glass microspheres into the polymer-based coating matrix. This composite structure combines the smooth surface properties of the polymer coating with the high hardness and abrasion resistance of glass particles, achieving both aesthetic and functional requirements
2Strength
If polymer particles are incorporated into nail coatings to provide abrasion resistance, then the coating strength should improve, but the dissolution of polymer tendrils results in irregular surfaces and bumps
Solution Approach 1:
The patent changes the material composition from dissolvable polymer particles to non-dissolvable glass microspheres. This parameter change eliminates the softening and dissolution phenomena that cause surface irregularities, while the close-packing of spherical glass particles maintains surface smoothness and provides the desired coating strength
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 provides a nail coating with superior abrasion resistance and a smooth surface by embedding glass microspheres, enhancing the coating's strength and durability.
Implementation Method 1
micron sized glass microspheres are embedded in an adherent liquid which is subsequently polymerized, cured or dried to form an abrasion resistant solid coating
Implementation Method 2
applying the adherent liquid to the nail plate; contacting the applied adherent liquid with a portion of glass microspheres to form a composite nail coating; treating the composite nail coating to form the abrasion resistant solid coating
Data Source
AI summary
The present invention is directed to a method for preparing a solid coating with embedded glass microspheres on a fingernail plate and the coating produced therefrom.