Inorganic Nanoparticle Production via Glass Degradation
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Solution Overview
Problem
Current methods for producing inorganic nanomaterials are limited in versatility and cost-effectiveness for applications such as tissue repair, biomedical imaging, and electronics, as they rely on expensive salts and complex processes.
Innovation Solution
A method involving mixing glass raw materials with nanoparticle base materials to form a parent glass mixture, heating, cooling, and degrading the glass to release nanoparticles, which can include borate or borosilicate glasses doped with metal ions or oxides, allowing for controlled nanoparticle formation and release.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If soluble salts and complex chemical processes are used to produce inorganic nanomaterials, then nanoparticle formation is achieved, but production cost increases and process complexity increases
Solution Approach 1:
The patent changes the chemical state parameters of the glass material through controlled heating and cooling cycles. The glass is heated to melt and then cooled at specific rates to control nanoparticle formation, transforming the material from amorphous to nanocrystalline state without complex chemical additives
Solution Approach 2:
The invention utilizes phase transitions of glass material during heating and cooling to induce nanoparticle formation. The glass undergoes melting followed by controlled cooling that triggers crystallization of nanoparticles within the glass matrix, eliminating the need for complex precipitation or reduction processes
2Manufacturing precision
If soluble salts and complex chemical processes are used to produce inorganic nanomaterials, then nanoparticle formation is achieved, but production cost increases
Solution Approach 1:
The patent replaces expensive soluble salts with inexpensive glass raw materials as the source of nanomaterial precursors. The glass material serves as a disposable matrix that can be readily transformed into nanoparticles through thermal processing, significantly reducing material costs
Solution Approach 2:
The invention replaces complex chemical processes with thermal processing mechanisms. Instead of using chemical precipitation or reduction reactions, the patent uses controlled heating and cooling to induce phase transitions and nanoparticle formation, simplifying the manufacturing process
3Adaptability or versatility
If glass material is used to form nanoparticles through degradation, then cost-effectiveness improves and versatility increases, but control over nanoparticle release timing becomes challenging
Solution Approach 1:
The patent performs preliminary action by forming nanoparticles within the glass matrix during the manufacturing process itself. The glass is heated and cooled to pre-form nanoparticles before the final product is used, allowing control over nanoparticle characteristics while maintaining the ability to release them through subsequent glass degradation
Solution Approach 2:
The invention introduces dynamics by allowing the glass matrix to degrade over time or under specific conditions, releasing pre-formed nanoparticles in a controlled manner. The system transitions from a static glass-nanoparticle composite to a dynamic release system that can respond to environmental conditions
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 is cost-effective, adaptable for various nanoparticle compositions and sizes, and enables controlled release of nanoparticles for medical and electronic applications, with potential for indefinite shelf life and controlled delivery.
Implementation Method 1
cooling the parent glass melt to a second temperature to solidify the parent glass melt, forming a parent glass
Implementation Method 2
reacting or degrading the parent glass by contact with a solvent or fluid, wherein the nanoparticles are created as the parent glass reacts or degrades
Data Source
AI summary
A solid state method of producing inorganic nanoparticles using glass is disclosed. The nanoparticles may not be formed until the glass is reacted with or degraded by contact with a fluid in vivo or in vitro.