Resin Composition for Printed Circuit Boards with High Thermal Resistance

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Solution Overview

Problem

Conventional resin compositions for printed circuit boards fail to meet the demands for high thermal resistance, high dimensional stability, and good dielectric properties, particularly in 5G technology applications where materials need to withstand multiple lamination processes and assembly operations.

Innovation Solution

A resin composition comprising 100 parts by weight of an unsaturated C═C double bond-containing polyphenylene ether resin, 20-150 parts by weight of a homopolymer with specific molecular weights, and optionally including polyolefin and crosslinking agents, which provides enhanced thermal resistance and dielectric properties.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If polyphenylene ether or polyolefin is used as the main component with triallyl isocyanurate as the auxiliary crosslinking component, then dielectric properties are improved, but thermal resistance and dimensional stability are insufficient

Engineering Contradiction:
Improvedielectric propertiesVSAvoidthermal resistance
Core Design Contradiction:
ReliabilityVSTemperature

Solution Approach 1:

The patent uses a composite resin system combining polyphenylene ether (PPE) with polyolefin and crosslinking agents to achieve both good dielectric properties and high thermal resistance. The composite formulation allows the materials to complement each other's strengths while mitigating weaknesses.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The patent modifies the chemical composition parameters by introducing specific crosslinking agents and adjusting the ratio of PPE to polyolefin, thereby changing the material's thermal and mechanical properties to meet the requirements for high thermal resistance and dimensional stability.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If polyphenylene ether or polyolefin is used as the main component with triallyl isocyanurate as the auxiliary crosslinking component, then dielectric properties are improved, but dimensional stability is insufficient

Engineering Contradiction:
Improvedielectric propertiesVSAvoiddimensional stability
Core Design Contradiction:
ReliabilityVSStability of the object's composition

Solution Approach 1:

The patent employs a composite resin system combining polyphenylene ether (PPE) with polyolefin and crosslinking agents to achieve both good dielectric properties and high thermal resistance. The composite formulation allows the materials to complement each other's strengths while mitigating weaknesses.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The patent modifies the chemical composition parameters by introducing specific crosslinking agents and adjusting the ratio of PPE to polyolefin, thereby changing the material's thermal and mechanical properties to meet the requirements for high thermal resistance and dimensional stability.

Inventive Principle:
Principle #35Parameter changes

3Ease of manufacture

If conventional resin materials are used, then manufacturing simplicity is maintained, but performance requirements for 5G technology are not met

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidperformance for 5G technology
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The patent modifies the chemical composition parameters by introducing specific crosslinking agents and adjusting the ratio of PPE to polyolefin, thereby changing the material's thermal and mechanical properties to meet the requirements for high thermal resistance and dimensional stability.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent employs a composite resin system combining polyphenylene ether (PPE) with polyolefin and crosslinking agents to achieve both good dielectric properties and high thermal resistance. The composite formulation allows the materials to complement each other's strengths while mitigating weaknesses.

Inventive Principle:
Principle #40Composite 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 resin composition achieves a glass transition temperature of at least 241°C, maintains structural integrity without delamination under thermal resistance tests, and exhibits low dissipation factor, ensuring excellent thermal stability and dielectric performance.

Implementation Method 1

a homopolymer of Formula (1), wherein R is a functional group containing an unsaturated C═C double bond

Methodology Applied
Scientific EffectPolymerization: Photopolymerisation

Implementation Method 2

based on 100 parts by weight of an unsaturated C═C double bond-containing polyphenylene ether resin, comprising: 100 parts by weight of the unsaturated C═C double bond-containing polyphenylene ether resin; and 20 parts by weight to 150 parts by weight of a homopolymer of Formula (1)

Methodology Applied
Scientific EffectCrosslinking: Chemical Bonding

Data Source

PatentUS12037490B2Resin composition and article made therefrom
Publication Date: 2024.07.16 ELITE ELECTRONIC MATERIAL (KUNSHAN) CO LTD
  • US12037490B2 patent drawing
  • US12037490B2 patent drawing
  • US12037490B2 patent drawing

AI summary

A resin composition includes 100 parts by weight of an unsaturated C═C double bond-containing polyphenylene ether resin and 20 parts by weight to 150 parts by weight of a homopolymer of Formula (1). The resin composition is useful for making different articles, including a prepreg, a resin film, a laminate or a printed circuit board, which may achieve excellent multi-layer board thermal resistance, thermal resistance after moisture absorption and rigidity and achieve high glass transition temperature, low dissipation factor, and low Z-axis ratio of thermal expansion.