Block Co-Polymer Metal Organic Nanostructure Conjugates for Hierarchical Structures
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods struggle to achieve hierarchical structural properties in synthetic polymers, which are common in biomaterials but difficult to replicate, by merging metal organic frameworks with di-block copolymer self-assembly to create materials with unique properties defined across various length scales.
Innovation Solution
The development of (block co-polymer)-(metal organic nanostructure) conjugates (BCPMONs) through stepwise assembly and block copolymer phase separation, resulting in thermoplastic elastomers and gels with tunable structures and mechanical properties, using macromonomers and transition metal ions coordinated with specific ligands to form well-defined nanostructures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If metal organic frameworks are merged with di-block copolymer self-assembly to create hierarchical structures, then structural properties defined across various length scales are achieved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The patent divides the hierarchical structure into distinct segments: metal organic nanostructures (MONs) serve as discrete building blocks with specific functions, while block copolymer matrices provide the hierarchical organization. This segmentation allows each component to be optimized independently and assembled systematically, reducing overall complexity despite the multi-scale architecture.
Solution Approach 2:
The patent implements nested structures where metal organic nanostructures are embedded within block copolymer matrices, creating hierarchical organization across multiple length scales. The MONs (1-100 nm) are nested within the polymer domains, which themselves form larger hierarchical patterns, enabling complex structural properties through systematic nesting rather than random complexity.
2Adaptability or versatility
If stepwise assembly and block copolymer phase separation are used to create BCPMONs, then tunable structures and mechanical properties are achieved, but manufacturing precision and process control requirements increase
Solution Approach 1:
The patent employs preliminary action by pre-synthesizing well-defined metal organic nanostructures with controlled sizes and functionalities before assembling them into the final hierarchical material. This pre-characterization and pre-organization of building blocks simplifies the subsequent assembly process and reduces precision requirements during final manufacturing, as the critical structural features are already established.
Solution Approach 2:
The patent utilizes parameter changes in block copolymer phase separation (temperature, solvent composition, concentration) to control the assembly of BCPMONs. By adjusting these parameters, the hierarchical structure and mechanical properties can be tuned systematically, providing versatility while maintaining manufacturability through well-understood phase transition mechanisms rather than requiring ultra-precise control.
3Manufacturing precision
If macromonomers and transition metal ions are coordinated with specific ligands to form well-defined nanostructures, then structural definition and functionality are improved, but ease of manufacture decreases
Solution Approach 1:
The patent employs self-service through coordination-directed self-assembly, where transition metal ions and organic ligands automatically organize into well-defined metal organic nanostructures based on their inherent coordination chemistry. This self-organizing capability reduces the need for complex external control mechanisms and precise manual assembly, enabling high structural definition with relatively simple synthesis procedures.
Solution Approach 2:
The patent creates composite materials combining macromonomers with transition metal ion-ligand complexes to form BCPMONs. This composite approach allows the organic macromonomer component to provide structural framework and the metal-ligand component to provide defined nanostructures and functionality, achieving high precision through the synergistic combination of simpler components rather than requiring single-material complexity.
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
BCPMONs exhibit highly tunable structures and mechanical properties, enabling the creation of novel materials with thermo-responsive capabilities and potential applications in drug delivery and enzymatic reactions, while overcoming the challenges of achieving hierarchical structures in synthetic polymers.
Implementation Method 1
coordination-directed self-assembly of metal ions and organic ligands is a powerful approach for the construction of two- and three-dimensional molecular architectures
Implementation Method 2
di-block copolymer (BCP) self-assembly is a widely employed 'bottom-up' method for the fabrication of materials with periodic structures on the order of 10 to 100 nm
Implementation Method 3
coordination-directed self-assembly of metal ions and organic ligands is a powerful approach for the construction of two- and three-dimensional molecular architectures
Data Source
AI summary
The present disclosure provides (block co-polymer)-(metal organic framework) conjugates (BCPMOFs), such as (block co-polymer)-(metal organic nanostructure) conjugates (BCPMONs), and thermoplastic elastomers, gels, and compositions thereof. Exemplary BCPMONs include (block co-polymer)-(metal organic cage) conjugates (BCPMOCs), (block co-polymer)-(metal organic paddlewheel) conjugates, and (block co-polymer)-(metal organic square) conjugates, such as BCPMONs of Formula (A), (B), or (C). Also described herein are macromonomers for preparing the BCPMONs; thermoplastic elastomers, gels, and compositions involving the BCPMONs; methods of preparing the BCPMONs, thermoplastic elastomers, gels, and compositions; and methods of using the BCPMONs, thermoplastic elastomers, gels, and compositions.