Radiation-Sensitive Resin Composition Adhesion Transparency Trade-off
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Solution Overview
Problem
Existing radiation-sensitive resin compositions fail to provide sufficient adhesion to soda glass substrates while maintaining transparency and chemical resistance, making them unsuitable for applications like protective films in display devices with touch panel structures.
Innovation Solution
A radiation-sensitive resin composition comprising a binder resin, quinone diazide-based photoacid generator, (meth)acrylate compound, and photopolymerization initiator, with specific ratios and types of these components to enhance adhesion, transparency, and chemical resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If radiation-sensitive resin composition containing cyclic olefin polymer with protonic polar group, unsaturated group-containing compound, silane-modified organic-inorganic hybrid compound, and radical-generating photopolymerization initiator is used, then transparency is improved, but adhesion to soda glass substrate deteriorates
Solution Approach 1:
The patent changes the chemical composition parameters by introducing quinone diazide-based photoacid generator and (meth)acrylate compounds with specific functional groups that enhance adhesion while maintaining transparency. The specific weight ratios and molecular structures are optimized to achieve both high transparency and strong substrate adhesion simultaneously
Solution Approach 2:
The patent creates a composite resin composition by combining multiple components with different functions: binder resin for base properties, quinone diazide-based photoacid generator for adhesion enhancement, (meth)acrylate compounds for crosslinking, and photopolymerization initiator for curing. This composite approach allows achieving both transparency and adhesion that single materials cannot provide
2Illumination intensity
If radiation-sensitive resin composition is optimized for transparency, then chemical resistance may deteriorate
Solution Approach 1:
The patent optimizes the chemical composition by selecting specific (meth)acrylate compounds with high crosslinking density and appropriate molecular weights that provide both optical clarity and chemical inertness. The crosslinking structure formed after irradiation creates a dense network that resists chemical penetration while maintaining transparency
Solution Approach 2:
The composite resin system combines components that contribute differently to the final properties: the binder resin provides base chemical resistance, the (meth)acrylate compounds form crosslinked structures for enhanced durability, and the photopolymerization initiator creates a cured network that simultaneously achieves transparency and chemical resistance
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 achieves high adhesion to substrates, excellent transparency, and improved chemical resistance, making it suitable for use in electronic devices with protective and insulating films.
Implementation Method 1
radical-generating photopolymerization initiator
Implementation Method 2
quinone diazide-based photoacid generator
Data Source
AI summary
A radiation-sensitive resin composition comprising a binder resin (A), quinone diazide-based photoacid generator (B), (meth)acrylate compound (C), and photopolymerization initiator (D) is provided. According to the present invention, it is possible to provide a radiation-sensitive resin composition which can give a resin film which exhibits a high adhesion to a substrate and is excellent in transparency, photosensitivity, and chemical resistance.