Inorganic-Organic Hybrid Particle Production via Block Copolymer Phase Separation
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Solution Overview
Problem
Current methods for producing microparticles with inorganic-organic hybrid structures, particularly those with separate phases of organic and inorganic components, are inefficient and limited in productivity, often requiring complex procedures and resulting in incomplete or non-conductive particles.
Innovation Solution
A method involving the use of block copolymers with coordination groups to form inorganic-organic hybrid particles by coordinating metal ions, reducing them to obtain non-ionized inorganic materials coated with organic materials, and using a combination of good and poor solvents to control particle size and phase separation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional methods (sputtering, emulsion binding, seed polymerization) are used to produce inorganic-organic hybrid particles, then microparticles with inorganic and organic components can be obtained, but the production process becomes complex and productivity is low
Solution Approach 1:
The patent combines inorganic particles and organic polymers into a single hybrid particle structure through a one-step polymerization process. The inorganic particles serve as cores around which organic polymer shells are formed, creating integrated inorganic-organic hybrid particles that maintain both phases while simplifying production to a single operational step rather than multiple sequential processes
Solution Approach 2:
The inorganic particles are prepared in advance as cores with controlled size and surface properties. These pre-prepared inorganic cores are then used as templates for organic polymer formation, allowing the complex hybrid structure to be built up systematically from simple inorganic building blocks before final polymerization occurs
2Adaptability or versatility
If conventional methods are used, then microparticles with inorganic and organic components can be produced, but the procedure becomes complicated and requires many steps
Solution Approach 1:
The patent merges the formation of inorganic and organic components into a single hybrid particle structure through one-step polymerization. Instead of separately producing inorganic particles and organic coatings in different steps, the process simultaneously creates both phases within a single operational sequence, dramatically reducing procedural complexity
Solution Approach 2:
The inorganic particles serve multiple functions: they act as structural cores, provide surface area for polymer attachment, and define the final particle morphology. The organic polymer simultaneously forms a protective shell, creates phase separation, and provides functional properties. This multi-functionality reduces the need for separate processing steps
3Shape
If seed polymerization is used to form asymmetric microparticles, then polymer structures can be created, but the orientation among polymers is significantly limited and one polymer is always positioned on surfaces
Solution Approach 1:
The patent creates local quality differences through phase separation, where inorganic particles are concentrated in specific regions while organic polymer forms distinct phases. This allows different regions of the hybrid particle to have different compositions and properties, enabling asymmetric structures while maintaining polymer orientation flexibility through controlled phase distribution rather than fixed surface positioning
4Adaptability or versatility
If metal ions are coordinated to organic materials to form hybrid particles, then inorganic-organic hybrid structure is achieved, but the particles remain non-conductive and incomplete
Solution Approach 1:
The patent changes the chemical state of inorganic materials from ionic (metal ions coordinated to organic materials) to non-ionic (metal nanoparticles or conductive inorganic phases). This parameter change in the inorganic component's oxidation state or physical form enables electrical conductivity while maintaining the inorganic-organic hybrid structure, transforming incomplete non-conductive particles into reliable conductive hybrid particles
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 approach enables the mass production of polyfunctional microparticles with asymmetrical functions, suitable for electronic, optical, and display devices, offering improved conductivity and phase separation, while simplifying the production process.
Implementation Method 1
the organic material component constituting a phase containing an inorganic material has a coordination group coordinated to the inorganic materials
Implementation Method 2
an organic material composed of two or more different components forms separate phases
Data Source
AI summary
An object of the present invention is to provide an inorganic-organic hybrid particle which has a structure where an organic material composed of two or more different components forms separate phases, wherein an inorganic material is included in the phase, and a method for producing the inorganic-organic hybrid particle. The above object is solved by an inorganic-organic hybrid particle which has a structure where an organic material composed of two or more different components forms separate phases, wherein one or more inorganic materials are included in at least one phase.