3D Printing Composition with Magnetic Particles for Uniform Curing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional 3D printing methods face challenges such as imprecise shape formation, non-uniform curing, and equipment-related issues like heat-induced phase separation and shrinkage, particularly in thermosetting and photocurable resin compositions, which affect the precision and stability of the printed three-dimensional solid shapes.
Innovation Solution
A 3D printing composition comprising a thermosetting compound, a thermoplastic resin, and magnetic particles, where the magnetic particles generate vibrational heat through magnetization reversal, ensuring uniform and stable curing, and the composition's surface energy is controlled to achieve suitable flowability and adhesion for precise shape formation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If thermosetting resin composition is used for 3D printing, then the manufacturing process is simple, but the shape precision deteriorates due to heat shrinkage and phase separation
Solution Approach 1:
The patent modifies the chemical composition parameters of the resin system by combining thermosetting resin with specific thermoplastic resins and magnetic particles, changing the curing behavior and thermal properties to reduce shrinkage and phase separation while maintaining process simplicity
Solution Approach 2:
The patent creates a composite resin composition combining thermosetting resin, thermoplastic resin, and magnetic particles to achieve both ease of manufacturing and improved shape precision by leveraging the complementary properties of each component
2Device complexity
If conventional heating method is used for curing, then the equipment is simple, but non-uniform curing occurs leading to poor hardening uniformity
Solution Approach 1:
The patent replaces the conventional thermal heating system with a magnetic field-based curing system using magnetic particles that generate heat through magnetization reversal, enabling uniform internal curing without complex external heating equipment
Solution Approach 2:
The magnetic particles within the resin composition generate heat autonomously through magnetic field-induced magnetization reversal, enabling self-curing from the inside out without requiring external heating equipment
3Manufacturing precision
If photocurable resin composition is used for 3D printing, then the shape precision is good, but the equipment size is large and storage conditions are restrictive
Solution Approach 1:
The patent replaces the photocurable system with a thermosetting system cured by magnetic field-induced heating, eliminating the need for large UV equipment while maintaining shape precision through controlled internal heat generation
4Ease of operation
If the resin composition has high flowability, then the desired shape can be formed easily, but the adhesion to laminated surface deteriorates
Solution Approach 1:
The patent optimizes the resin composition parameters including the ratio of thermosetting to thermoplastic resin and the addition of magnetic particles to achieve balanced flowability and adhesion properties 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 solution enables the realization of three-dimensional solid shapes with excellent curing stability and precision, maintaining shape stability and surface physical properties, while avoiding the limitations of existing methods like heat-induced phase separation and equipment-related issues.
Implementation Method 1
magnetic particles, where the magnetic particles generate vibrational heat through magnetization reversal
Implementation Method 2
generate vibrational heat through magnetization reversal, ensuring uniform and stable curing
Data Source
Figure 1
AI summary
The present invention relates to a composition for 3D printing, a 3D printing method using the same, and a three-dimensional comprising the same, and provides a composition for 3D printing capable of realizing a three-dimensional shape having precision and excellent curing stability.