Fluorinated Cross-Linking Compound for Low-Permittivity Electronic Materials

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Solution Overview

Problem

Triallyl isocyanurate exhibits high relative permittivity and dissipation factor, limiting its applications in electronic materials and solar cells, necessitating a compound with lower refractive index, relative permittivity, and dissipation factor.

Innovation Solution

A compound with a perfluoroalkyl group and double bond structure is synthesized through a mild reaction process, using specific solvents and bases, to produce a polyfunctional monomer that can be cross-linked, reducing side reactions and increasing yield.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If triallyl isocyanurate is used as a cross-linking agent, then heat resistance and chemical resistance are improved, but relative permittivity and dissipation factor increase

Engineering Contradiction:

Improveheat resistance and chemical resistanceVSAvoidhigh relative permittivity and dissipation factor

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent modifies the molecular structure of triallyl isocyanurate by introducing fluorinated alkyl groups with specific chain lengths (n=4 to 12). This structural parameter change reduces the relative permittivity and dissipation factor while preserving the cross-linking functionality and heat/chemical resistance properties of the original compound.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The invention creates a composite molecular structure combining the isocyanurate core with perfluoroalkyl side chains. This composite approach allows the molecule to exhibit both the desirable cross-linking behavior of triallyl isocyanurate and the low permittivity characteristics of fluorinated compounds.

Inventive Principle:

Principle #40Composite materials

2Productivity

If a radical initiator is added to the reaction mixture, then the synthesis efficiency is improved, but side reactions may increase

Engineering Contradiction:

Improvesynthesis efficiencyVSAvoidside reactions

Core Design Contradiction:

ProductivityVSObject-generated harmful factors

Solution Approach 1:

The patent optimizes reaction parameters including the type and amount of radical initiator, reaction temperature, and solvent system. By carefully controlling these parameters, the synthesis achieves high efficiency while minimizing side reactions through precise condition optimization.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The reaction employs specific solvents and bases as intermediaries to facilitate the radical reaction between triallyl isocyanurate and perfluoroalkyl halides. These intermediaries help control the reaction pathway, promoting the desired substitution reaction while suppressing unwanted side reactions.

Inventive Principle:

Principle #24Intermediary (Mediator)

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 resulting compound achieves low refractive index, low relative permittivity, and low dissipation factor, suitable for use as a cross-linking agent in electronic materials and solar cells, enhancing performance and reducing material penetration.

Implementation Method 1

adding a radical initiator thereto and stirring the resulting mixture

Methodology Applied

Scientific EffectRadical reaction:

Data Source

PatentEP4397658B1Compound, method for preparing same, and single molecule, oligomer and polymer derived from same

Publication Date: 2025.10.22 LG CHEM LTD

Figure 1

AI summary

The present specification relates to a compound, a method for preparing the same, and a single molecule, an oligomer and a polymer derived from the compound.