Organic Magnetization via Electron Acceptor Crystallization

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Solution Overview

Problem

Modifying the structure of organic compounds to enhance their magnetic properties can sometimes damage their original properties, reducing their medical or physical effectiveness.

Innovation Solution

Forming crystal structures with electron acceptors at low temperatures to increase the magnetic susceptibility of metal-salen complex compounds by donating electrons, thereby enhancing their magnetic properties without altering their structure.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If the structure of an organic compound is modified to enhance magnetic properties, then magnetic susceptibility is improved, but the original medical or physical properties of the compound are damaged

Engineering Contradiction:
Improvemagnetic susceptibilityVSAvoidmedical or physical properties
Core Design Contradiction:
Quantity of substanceVSReliability

Solution Approach 1:

The patent uses an electron acceptor as an intermediary substance that forms a charge transfer complex with the organic compound. This intermediary approach allows the organic compound to gain magnetic properties through electron transfer without requiring direct structural modification, thereby preserving the compound's original medical or physical properties while achieving the desired magnetic susceptibility enhancement

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent changes the electronic state parameter of the organic compound by forming a charge transfer complex with an electron acceptor. This parameter change (electron transfer) enhances magnetic susceptibility without altering the fundamental molecular structure, thus maintaining the compound's original functional properties

Inventive Principle:
Principle #35Parameter changes

2Quantity of substance

If structural modification is applied to make an organic compound ferromagnetic, then magnetic properties are enhanced, but the compound's effectiveness is reduced

Engineering Contradiction:
Improvemagnetic propertiesVSAvoideffectiveness
Core Design Contradiction:
Quantity of substanceVSProductivity

Solution Approach 1:

The electron acceptor serves as a mediator that transfers electrons to the organic compound, inducing ferromagnetic properties without requiring structural modification of the compound itself. This preserves the compound's effectiveness while achieving the desired magnetic properties

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent creates a composite system consisting of the organic compound and electron acceptor in a charge transfer complex. This composite approach allows the system to exhibit ferromagnetic properties while the individual components retain their original functional characteristics

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

This method allows for the enhancement of magnetic susceptibility while maintaining the compound's original properties, enabling targeted drug delivery and improved semiconductor performance.

Implementation Method 1

electrons move from the magnetization target compound to the electron acceptor. Then, as electric charge density of unpaired electrons in electron orbits of the magnetization target compound increases, the magnetic properties of the magnetization target compound are enhanced

Methodology Applied
Scientific EffectElectron donation: Redox Reactions

Implementation Method 2

When the magnetization target compound as an electron donor forms charge transfer complex crystals with the electron acceptor at the very low temperature

Methodology Applied
Scientific EffectCrystallization at low temperature: Crystallisation

Implementation Method 3

forms charge transfer complex crystals with the electron acceptor at the very low temperature, electrons move from the magnetization target compound to the electron acceptor

Methodology Applied
Scientific EffectCharge transfer: Electron Paramagnetic Resonance

Data Source

PatentEP2933802B1Magnetic body, and method for manufacturing magnetic body
Publication Date: 2020.08.19 IHI CORP
  • EP2933802B1 patent drawingFigure 1(1)~1(2)
  • EP2933802B1 patent drawingFigure 2~3
  • EP2933802B1 patent drawingFigure 4

AI summary

[Object] A magnetization technique that enhances magnetic properties of an organic compound is provided without damaging properties of the organic compound or while maintaining the structure of the organic compound. [Solution] The present invention is a method for manufacturing a magnetic substance composed of crystals of a magnetization target compound and an electron acceptor by combining the magnetization target compound with the electron acceptor; forming a solution by dissolving a mixture of the magnetization target compound and the electron acceptor in a solvent; maintaining the solution in a very low temperature state and allowing the solution to deposit the crystals of the magnetic target compound and the electron acceptor; and separating the crystals from the solvent.