Functional Organic Particles with Radial Nanoparticle Distribution

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Conventional methods for producing functional organic particles with embedded nanoparticles result in irregular dispersion, leading to insufficient functionality, requiring large amounts of nanoparticles and high production costs.

Innovation Solution

Functional organic particles with nanoparticles dispersed in an organic polymeric matrix, where the nanoparticles are concentrated towards the surface, enhancing their availability and functionality, achieved through a method involving monomer mixing, polymerization, and centrifugal force application.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If nanoparticles are irregularly dispersed in the polymeric resin, then the production process is simple, but the functionality is insufficient and large amounts of nanoparticles are required

Engineering Contradiction:
ImprovefunctionalityVSAvoidamount of nanoparticles
Core Design Contradiction:
ReliabilityVSQuantity of substance

Solution Approach 1:

The patent applies local quality by creating a non-uniform distribution of nanoparticles within the organic particle, specifically concentrating them in the outer shell region rather than uniform dispersion throughout. This localized concentration in the functional region maximizes the effectiveness of nanoparticles, allowing sufficient functionality with smaller overall amounts of nanoparticle material.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The patent transitions from considering only the bulk composition to incorporating spatial distribution as an additional dimension. By controlling the radial distribution of nanoparticles (concentrated in outer shell vs. uniform throughout), the patent optimizes functionality without proportionally increasing nanoparticle quantity.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Reliability

If nanoparticles are deeply embedded in the polymeric resin, then the structure is stable, but the nanoparticles do not play their roles effectively

Engineering Contradiction:
ImprovefunctionalityVSAvoidparticle structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent creates different regions within the organic particle with different nanoparticle concentrations. The outer shell region has high nanoparticle concentration for functionality, while the inner region has lower concentration. This local differentiation allows nanoparticles to be positioned where they are most effective without requiring complex overall structural modifications.

Inventive Principle:
Principle #3Local quality

3Manufacturing precision

If conventional spreading methods are used to form conductive films, then uniform thin films can be formed, but the cost is high and massive production is difficult

Engineering Contradiction:
Improveuniformity of conductive filmVSAvoidmassive production capability
Core Design Contradiction:
Manufacturing precisionVSProductivity

Solution Approach 1:

The patent merges the nanoparticle dispersion step with the organic particle formation step into a single integrated process. By incorporating nanoparticles during the polymerization reaction rather than applying them in a separate post-treatment spreading step, the method achieves both uniform distribution and scalability for massive production.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The polymerization process itself serves the dual function of creating the organic particle structure and simultaneously dispersing the nanoparticles within it. The growing polymer matrix automatically incorporates and distributes nanoparticles during synthesis, eliminating the need for separate film formation operations.

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 method allows for the creation of particles with uniform conformation and narrow particle diameter distribution, achieving excellent functionality with a small amount of nanoparticles, thus reducing production costs and improving performance.

Implementation Method 1

a first reaction step of adding a polymerization initiator to the mixture of the monomers and reacting the mixture

Methodology Applied
Scientific EffectPolymerization: Photopolymerisation

Implementation Method 2

reacting the product by applying a centrifugal force required so as to increase the distribution amount of the functional nanoparticles in the direction toward increasing the particle diameter from the center

Methodology Applied
Scientific EffectCentrifugal force: Centrifugal Force

Data Source

PatentUS7736691B2Method for preparing functional organic particle
Publication Date: 2010.06.15 LG CHEM LTD
  • US7736691B2 patent drawing
  • US7736691B2 patent drawing
  • US7736691B2 patent drawing

AI summary

The present invention relates to functional organic particles having functional nanoparticles dispersed in an organic polymeric matrix, wherein the distribution of the functional nanoparticles is increased in the direction toward increasing the particle diameter from the center of the functional organic particles, and to a method for preparing the same.