Active Energy Ray-Curable Composition Antistatic Film
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Solution Overview
Problem
Existing antistatic resin materials face issues with poor antistatic properties, scratch resistance, and transparency, especially when using quaternary cationic (meth)acrylamide-based monomers and photoinitiators.
Innovation Solution
A composition combining a photopolymerization initiator with a specific structure and an antistatic compound, including cationic polymerizable compounds, to enhance antistatic properties, scratch resistance, and transparency, achieved by optimizing the content ratios and structures of these components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If quaternary cationic (meth)acrylamide-based monomers and photoinitiators are used for antistatic coating, then antistatic properties are improved, but scratch resistance and transparency deteriorate
Solution Approach 1:
The patent changes the chemical structure parameters of the photopolymerization initiator by introducing specific substituents (alkyl groups with 1-6 carbon atoms, alkoxy groups with 1-6 carbon atoms, halogen atoms, or nitro groups) at positions 2 and 6 of the phenol ring. This structural modification optimizes the balance between antistatic properties, scratch resistance, and transparency by adjusting the initiator's reactivity and polymerization characteristics.
Solution Approach 2:
The patent employs a composite formulation combining the specially structured photopolymerization initiator (Formula I) with cationic polymerizable compounds (Formulae 1-5) and conventional polymerizable compounds (Formula 6). This composite system integrates the antistatic functionality of cationic compounds with the mechanical strength and transparency enhancement provided by the modified initiator and supporting monomers.
2Reliability
If quaternary cationic (meth)acrylamide-based monomers and photoinitiators are used for antistatic coating, then antistatic properties are improved, but transparency deteriorates
Solution Approach 1:
The patent modifies the photopolymerization initiator structure by adding specific substituents (alkyl, alkoxy, halogen, or nitro groups) that adjust the polymerization kinetics and final network structure. These parameter changes reduce light scattering and improve transparency while preserving the antistatic functionality through the cationic compound component.
Solution Approach 2:
The composite formulation combines the structured photopolymerization initiator with multiple polymerizable compounds, creating a balanced system where the cationic compounds provide antistatic properties and the overall composition is optimized for transparency through careful selection of monomer types and ratios.
3Reliability
If resin materials are used for electrical insulating applications, then electrical insulating properties are improved, but static electricity accumulation increases
Solution Approach 1:
The patent introduces cationic polymerizable compounds as intermediary substances within the resin coating system. These compounds serve as mediators that provide surface conductivity to dissipate static electricity while the bulk resin material maintains its electrical insulating properties, effectively decoupling the two conflicting requirements.
Solution Approach 2:
The patent creates a composite coating system combining conventional resin materials (for insulating properties) with cationic polymerizable compounds (for antistatic functionality). This composite structure allows the bulk material to maintain high electrical insulation while the surface layer provides static electricity dissipation pathways.
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 solution provides an active energy ray-curable composition with improved antistatic properties, scratch resistance, and transparency, maintaining effectiveness even under low humidity and after thermocycle testing.
Implementation Method 1
an active energy ray-curable composition, comprising: a photopolymerization initiator A represented by Formula (I) to be described hereinafter; and an antistatic compound B
Data Source
AI summary
Provided are an active energy ray-curable composition that has good antistatic properties, scratch resistance, and transparency after curing, and an antistatic film using the same. The active energy ray-curable composition of the present invention is an active energy ray-curable composition, including a photopolymerization initiator A represented by the following Formula (I) and an antistatic compound B,in Formula (I), V1, V2, V3, and V4 each independently represent a hydrogen atom or a substituent, and n represents an integer of 1 to 5.