Divinyl Aromatic Resin Composition for Low-Temperature Cross-Linking

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Solution Overview

Problem

The use of triallyl isocyanurate as a cross-linking agent in copper clad laminates leads to fuming during high-temperature processing, and the purification of hydrocarbon resin polymers with organic solvents is environmentally unfriendly and costly.

Innovation Solution

A resin composition that includes 100 parts by weight of a hydrocarbon resin polymer and 0.01 to 50 parts by weight of a divinyl aromatic compound, which can be cross-linked without triallyl isocyanurate and can reduce or eliminate the use of organic solvents.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If triallyl isocyanurate is used as a cross-linking agent, then cross-linking can be achieved, but fuming occurs during high-temperature processing

Engineering Contradiction:
Improvecross-linking effectivenessVSAvoidfuming
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The patent changes the chemical parameters by replacing triallyl isocyanurate with a divinyl aromatic compound that has different thermal stability characteristics, eliminating fuming while maintaining cross-linking effectiveness

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent creates a composite resin system combining hydrocarbon resin polymer with divinyl aromatic compound, achieving cross-linking without the harmful emissions associated with traditional cross-linking agents

Inventive Principle:
Principle #40Composite materials

2Reliability

If high cross-linking temperature is used, then cross-linking can be achieved, but energy consumption increases

Engineering Contradiction:
Improvecross-linking effectivenessVSAvoidenergy consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The patent changes the thermal parameters by using a divinyl aromatic compound that enables cross-linking at lower temperatures, thereby reducing energy consumption while achieving effective cross-linking

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The resin composition is pre-formulated with divinyl aromatic compound incorporated into the hydrocarbon resin polymer structure, preparing the system for low-temperature cross-linking before the actual curing process

Inventive Principle:
Principle #10Preliminary action

3Manufacturing precision

If organic solvents are used for purification, then hydrocarbon resin polymer can be purified, but environmental pollution and cost increase

Engineering Contradiction:
Improvepurification effectivenessVSAvoidenvironmental pollution
Core Design Contradiction:
Manufacturing precisionVSObject-affected harmful factors

Solution Approach 1:

The patent extracts and eliminates the need for organic solvents from the purification process by using alternative purification methods that are environmentally friendly and cost-effective

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The purification process is designed to be self-sufficient without requiring harmful organic solvents, using methods that naturally purify the hydrocarbon resin polymer while reducing environmental impact

Inventive Principle:
Principle #25Self-service

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 allows for cross-linking at lower temperatures and shorter times, reducing energy consumption and costs, while also improving thermal and electrical properties of the substrate structure and eliminating fuming.

Implementation Method 1

divinyl aromatic compound, which can be cross-linked without triallyl isocyanurate

Methodology Applied
Scientific EffectCross-linking: Chemical Bonding

Implementation Method 2

polymerizing the mixture to form a crude composition

Methodology Applied
Scientific EffectPolymerization: Photopolymerisation

Data Source

PatentEP4516499A1Resin composition and manufacturing method thereof and substrate structure
Publication Date: 2025.03.05 LEE CHANG YUNG CHEM IND CORP
  • EP4516499A1 patent drawingFigure 1
  • EP4516499A1 patent drawingFigure 2
  • EP4516499A1 patent drawingFigure 3

AI summary

A resin composition includes 100 parts by weight of hydrocarbon resin polymers and 0.01 to 50 parts by weight of divinyl aromatic compound. A substrate structure includes a resin layer and a conductive layer disposed on the resin layer, wherein the resin layer is formed from the resin composition. A manufacturing method of the resin composition includes the following steps: providing a mixture, wherein the mixture includes a monovinyl aromatic compound and a divinyl aromatic compound, and optionally includes a bridged ring compound; polymerizing the mixture to form a crude composition; and purifying the crude composition to prepare the resin composition.