Surface Treatment Composition for Resin Adhesion and Friction Durability
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Solution Overview
Problem
Conventional surface treatment compositions fail to provide excellent surface slip property and friction durability on resin-based materials, which are essential for modern touch panels and other applications where finger touch and operation are involved.
Innovation Solution
A composition comprising a fluorine-containing polymer with a curable moiety and a silicon-containing polymer with a curable moiety is used to form a layer that offers excellent surface slip property, friction durability, water-repellency, and oil-repellency on various materials, including resins.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fluorine-containing silane compound is used for surface treatment, then water-repellency and oil-repellency are improved, but the coating cannot be applied to resin-based materials and shows poor adhesion
Solution Approach 1:
The patent combines fluorine-containing polymer and silicon-containing polymer into a composite surface treatment composition. The fluorine-containing polymer provides water-repellency and oil-repellency, while the silicon-containing polymer enhances adhesion to resin-based materials. This composite approach allows the coating to simultaneously achieve excellent adhesion and broad material compatibility including resins, glasses, and metals.
2Reliability
If conventional surface treatment composition is used, then water-repellency is achieved, but surface slip property and friction durability are insufficient
Solution Approach 1:
The patent modifies the chemical composition parameters of the surface treatment by incorporating specific fluorine-containing polymers with low surface energy and silicon-containing polymers. This changes the surface properties to achieve both excellent surface slip property (easy finger operation) and high friction durability (maintained performance under repeated friction), resolving the contradiction between these two requirements.
3Reliability
If fluorine-containing silane compound is used on glass, then antifouling property is improved, but the coating peels off resin materials
Solution Approach 1:
The silicon-containing polymer acts as an intermediary that bridges the fluorine-containing polymer and the resin-based base material. It provides compatibility with resin materials and enhances adhesion, while the fluorine-containing polymer maintains its antifouling properties. This intermediary component prevents peeling and ensures long-term stability of the coating on resin materials.
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 composition effectively forms a surface-treating layer with enhanced slip properties and durability, maintaining functionality even under repeated friction, while providing water and oil repellency.
Implementation Method 1
A composition comprising a fluorine-containing polymer having a curable moiety and a silicon-containing polymer having a curable moiety
Implementation Method 2
a layer having excellent surface slip property and friction durability in addition to water-repellency, oil-repellency and antifouling property
Data Source
AI summary
The present invention provides a composition which is able to form a layer having excellent surface slip property and friction durability in addition to water-repellency, oil-repellency and antifouling property. The present invention provides a surface-treatment composition comprising (A) at least one fluorine-containing polymer having a curable moiety, and (B) at least one silicon-containing polymer having a curable moiety.