Resin Composition for High-Frequency Circuit Boards
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Solution Overview
Problem
Existing polyphenylene ether (PPE) resin compositions fail to meet the requirements for high-frequency electrical properties and thermal resistance, especially in modern electronic products that need to transmit high-frequency signals efficiently while managing heat generation.
Innovation Solution
A resin composition is developed that includes a compound with a specific structure, such as a terminally vinyl-modified bismaleimide derivative, combined with a component having ethylenically unsaturated double bonds, such as specific allyl or acrylate compounds, to enhance the electrical and thermal properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional epoxy resin compositions are used, then processing stability is maintained, but high-frequency electrical properties and thermal resistance are insufficient
Solution Approach 1:
The patent uses a composite resin system combining polyphenylene ether (PPE) base resin with reactive diluents containing ethylenically unsaturated double bonds and crosslinking agents. This composite approach achieves both improved high-frequency electrical properties (lower dielectric constant and loss tangent) and adequate processing stability through the synergistic interaction of components.
Solution Approach 2:
The patent modifies the chemical composition parameters by introducing specific reactive diluents (allyl compounds, acrylate compounds) and crosslinking agents to change the physical and chemical properties of the resin system, achieving lower dielectric constant, lower loss tangent, and improved thermal resistance while maintaining processability.
2Temperature
If existing PPE resin compositions are used, then processing is simplified, but thermal resistance properties are inadequate for high-frequency signal transmission
Solution Approach 1:
The patent employs a composite resin formulation consisting of PPE base resin, reactive diluents with ethylenically unsaturated double bonds, and crosslinking agents. This composite structure provides enhanced thermal resistance and mechanical properties necessary for high-frequency applications while managing the increased compositional complexity through systematic component selection.
Solution Approach 2:
The patent introduces specific functional components (reactive diluents and crosslinking agents) at controlled concentrations to locally enhance thermal resistance and electrical properties in critical regions of the resin matrix, rather than uniformly modifying the entire composition.
3Reliability
If resin compositions with lower dielectric constant are developed, then high-frequency electrical properties improve, but adhesion to metal layers and heat resistance after moisture absorption deteriorate
Solution Approach 1:
The patent uses a multi-component composite resin system where PPE provides low dielectric constant and loss tangent, reactive diluents enable crosslinking for enhanced adhesion, and crosslinking agents form a three-dimensional network structure. This composite approach simultaneously achieves excellent electrical properties and strong metal layer adhesion with improved heat resistance after moisture absorption.
Solution Approach 2:
The patent merges multiple functional components into a unified resin composition: PPE base resin for electrical properties, reactive diluents for crosslinking reactivity, and crosslinking agents for structural integrity. This merging of functions within a single resin system achieves multiple performance targets simultaneously.
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 resin composition exhibits improved glass transition temperature, low coefficient of thermal expansion, low dielectric constant, excellent aging resistance, high heat resistance after moisture absorption, and excellent adhesion to metal layers, addressing the limitations of existing PPE resin compositions.
Implementation Method 1
a resin composition, which comprises: (A) a compound having a structure of formula (I); and (B) a component having ethylenically unsaturated double bond(s), which is selected from the group consisting of a compound having a structure of formula (II), a compound having a structure of formula (III), and combinations thereof
Data Source
AI summary
A resin composition is provided. The resin composition comprises:(A) a compound having a structure of formula (I); and(B) a component having ethylenically unsaturated double bond(s), which is selected from the group consisting of a compound having a structure of formula (II), a compound having a structure of formula (III), and combinations thereof,wherein Z, A, R, X, Y, m, and n are as defined in the specification.