Cyclodextrin Surface Coating via Self-Assembly for Multi-Layer Adsorption
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Solution Overview
Problem
Current methods for coating solid materials with cyclodextrins are limited to mono- and bi-layers, which are insufficient for applications like the textile industry that require thicker layers for higher guest molecule loading, and often involve time-consuming chemical reactions and processes not suitable for large-scale production.
Innovation Solution
A method involving the physical adsorption of modified cyclodextrins onto solid material surfaces using an adsorption solution with modified hydroxyl groups and a combination of solvents, which allows for the formation of multi-layers without the need for chemical reactions, promoting the formation of micelles or aggregates for enhanced adsorption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If covalent grafting or chemical cross-linking methods are used to coat cyclodextrins on solid materials, then the coating stability and strength are improved, but the process complexity and time consumption increase significantly
Solution Approach 1:
The patent replaces chemical bonding mechanisms (covalent grafting, cross-linking) with physical adsorption mechanisms. The modified cyclodextrins with amphiphilic properties form stable coatings through non-covalent interactions, eliminating the need for chemical reactants and complex processing while maintaining coating stability
Solution Approach 2:
The patent modifies the cyclodextrin molecular structure by introducing amphiphilic groups (hydrophobic and hydrophilic regions), which changes the adsorption parameters and enables stable physical attachment to solid surfaces without chemical reactions
2Device complexity
If mono-layer or bi-layer cyclodextrin coatings are formed, then the coating process is simplified, but the guest molecule loading capacity is insufficient for applications like textile industry
Solution Approach 1:
The patent transitions from forming two-dimensional mono-layers or bi-layers to creating three-dimensional multi-layer structures through physical adsorption of amphiphilic cyclodextrins. This dimensional expansion significantly increases the available binding sites and guest molecule loading capacity while maintaining process simplicity
Solution Approach 2:
The patent utilizes the nested structure of multiple cyclodextrin layers, where each layer provides additional inclusion cavities for guest molecules. The amphiphilic nature of modified cyclodextrins enables them to self-assemble into multi-layer configurations with high loading capacity
3Reliability
If chemical reactants and time-consuming processing methods are used, then the coating reliability is improved, but the productivity and suitability for large-scale production are reduced
Solution Approach 1:
The patent replaces time-consuming chemical reactions with rapid physical adsorption processes. The amphiphilic modified cyclodextrins spontaneously adsorb onto solid surfaces without requiring chemical reactants, heating, or extended processing times, thereby dramatically improving productivity while maintaining coating reliability
Solution Approach 2:
The patent employs self-assembling amphiphilic cyclodextrins that automatically organize into stable multi-layer coatings on solid surfaces through non-covalent interactions. This self-service mechanism eliminates the need for complex chemical processing steps, enabling rapid and scalable production
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 enables the creation of thicker cyclodextrin layers on solid materials, such as textiles, with increased guest molecule loading capacity, while avoiding chemical reactants and facilitating large-scale production by leveraging the instability of the adsorption solution to drive the formation of thermodynamically unstable micelles or aggregates for enhanced coating.
Implementation Method 1
The present invention relates to a method for functionalizing a solid material surface with self assembling cyclodextrins... A method involving the physical adsorption of modified cyclodextrins onto solid material surfaces
Implementation Method 2
promoting the formation of micelles or aggregates for enhanced adsorption... leveraging the instability of the adsorption solution to drive the formation of thermodynamically unstable micelles or aggregates
Data Source
AI summary
The present invention relates to a method for functionalizing a solid material surface with self assembling or self aggregating cyclodextrins, said method comprising the steps of: providing an adsorption solution comprising at least one modified cyclodextrin and at least one solvent; and contacting a solid material surface with the adsorption solution.