Composite Nanogranules for Stable Oil Dispersion
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current research lacks composite nanogranules with diverse structures and properties to meet various demands in fields like plastics, coatings, and pharmaceuticals, despite advancements in polymer/inorganic nanoparticle composites.
Innovation Solution
Development of composite nanogranules comprising inorganic nanoparticles encapsulated or attached to polymers, with multiple layers of polymers formed sequentially, incorporating doping elements and hydrophilic groups, to create stable and functional nanogranules suitable for dispersion and coating applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If composite nanogranules with diverse structures and properties are developed to meet various demands, then adaptability and versatility are improved, but device complexity and manufacturing complexity increase
Solution Approach 1:
The composite nanogranules are segmented into distinct functional layers: an inorganic nanoparticle core, an intermediate polymer layer with specific functional groups, and an outer polymer layer. This segmentation allows each layer to provide specific properties (mechanical strength, chemical functionality, dispersibility) independently, achieving diverse structures without excessive complexity.
Solution Approach 2:
The invention uses composite materials combining inorganic nanoparticles (TiO2, ZnO, Fe3O4, etc.) with organic polymer matrices. This composite approach enables tuning of mechanical, thermal, optical, and magnetic properties by selecting different inorganic components and polymer combinations, providing versatility while maintaining manageable structural complexity.
2Reliability
If multiple layers of polymers are formed sequentially on inorganic nanoparticles, then functionality and stability are improved, but manufacturing precision and process complexity increase
Solution Approach 1:
The inorganic nanoparticles are pre-modified with coupling agents (silane, titanate, zirconate) before polymer layer formation. This preliminary action creates predetermined functional groups on the nanoparticle surface that facilitate controlled polymer attachment, reducing the precision requirements for subsequent layer formation steps and improving overall processability.
Solution Approach 2:
Coupling agents serve as intermediary substances between the inorganic nanoparticle surface and the polymer layers. These intermediaries provide bridging functional groups that enable reliable interfacial bonding without requiring extremely precise control over the polymer deposition process, thus maintaining stability while managing manufacturing complexity.
3Ease of operation
If inorganic nanoparticles are encapsulated or attached to polymers with hydrophilic groups, then dispersibility and solubility are improved, but manufacturing complexity increases
Solution Approach 1:
The polymer layers are designed with specific hydrophilic functional groups (carboxyl, hydroxyl, amino, sulfonic acid groups) whose density and distribution can be adjusted by controlling polymer composition and crosslinking degree. This parameter adjustment optimizes dispersibility in water and organic solvents while maintaining relatively simple preparation procedures through conventional polymerization methods.
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 resulting composite nanogranules exhibit enhanced stability, dispersibility, and functionality, effectively improving the solubility and stability of oil substances and serving as effective film-forming materials in coatings and pharmaceuticals.
Implementation Method 1
the polyacrylate is connected to the silica nanogranules by physical adsorption and chemical grafting
Implementation Method 2
the polyacrylate is connected to the silica nanogranules by physical adsorption and chemical grafting
Implementation Method 3
the first polymer contains hydrophilic groups such as carboxyl group, hydroxyl group, sulfonic group, amino group
Data Source
AI summary
Composite nanogranules from polymer/inorganic nanoparticle, especially first composite nanogranules which are formed from first polymer and inorganic nanoparticles, second composite nanogranules which are obtained by forming second polymer on the first composite nanogranules, third composite nanogranules which is obtained by forming third polymer on the second composite nanogranules, and Nth composite nanogranules which is obtained by forming Nth polymer on the (N−1)th composite nanogranules with the similar method, are disclosed. A composition comprising anyone of the composite nanogranules described above is disclosed. The preparation method thereof and use of the same are also disclosed.