Fluorescent Dye-Siloxane Hybrid Resin Preventing Aggregation
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Solution Overview
Problem
Fluorescent dyes exhibit low thermostability and photostability, and tend to aggregate when dispersed in polymer resins, leading to decreased fluorescence strength and optical transmittance, which existing methods fail to adequately address without compromising dye stability or requiring new dye structures.
Innovation Solution
A fluorescent dye-siloxane hybrid resin is created through polycondensing alkoxysilane bonded with a fluorescent dye and organo-silanediol without water, forming a compact inorganic network structure that chemically bonds the dye, preventing aggregation and enhancing thermostability and photostability, while incorporating thermocurable or ultraviolet-curable functional groups for improved processibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fluorescent dye is dispersed in a polymer resin, then the dye can be used in practical applications, but the dye aggregates or agglomerates due to its congenital properties, thus deteriorating dispersion stability
Solution Approach 1:
The patent introduces a silane coupling agent as an intermediary substance that chemically bonds to both the fluorescent dye and the polymer resin matrix. This mediator prevents direct aggregation between dye molecules by forming a stable interface, allowing the dye to be dispersed in the resin without compromising dispersion stability while maintaining practical applicability
Solution Approach 2:
The patent creates a composite material system consisting of the fluorescent dye, silane coupling agent, and polymer resin matrix. This composite structure combines the beneficial properties of each component: the dye provides fluorescence, the silane coupling agent provides stability and bonding, and the polymer resin provides the matrix structure, thereby preventing aggregation while enabling practical use
2Illumination intensity
If the concentration of fluorescent dye is increased, then the fluorescence strength increases, but the dye aggregates or agglomerates, thus deteriorating dispersion stability
Solution Approach 1:
The silane coupling agent acts as a mediator that allows higher dye concentrations to be accommodated without aggregation. By chemically bonding to the dye molecules and distributing them throughout the polymer matrix, the coupling agent enables increased fluorescence strength while maintaining dispersion stability even at elevated concentrations
3Adaptability or versatility
If a fluorescent dye is dispersed in an inorganic structure or polymer resin, then the dye can be integrated into solid materials, but the thermostability and photostability are low compared to liquid solvents
Solution Approach 1:
The silane coupling agent serves as a protective intermediary that chemically bonds to the fluorescent dye molecules, creating a stable complex that resists thermal and photolytic degradation. This mediator protects the dye from the harsh environment of solid polymer matrices, thereby improving thermostability and photostability while enabling integration into solid materials
Solution Approach 2:
The patent develops a composite material system where the fluorescent dye is chemically bonded to the polymer matrix through silane coupling. This composite structure provides enhanced thermostability and photostability compared to simple dispersion in liquid solvents, while maintaining the ability to integrate into solid materials for practical applications
4Ease of operation
If an additive or dispersant is used to prevent aggregation, then the dispersibility of fluorescent dye is improved, but the stability and optical characteristics deteriorate at the time of temperature increase
Solution Approach 1:
The silane coupling agent is a specialized intermediary that differs from conventional additives or dispersants. It forms strong chemical bonds with both the fluorescent dye and the polymer matrix, creating a stable interface that maintains dispersibility while preserving stability and optical characteristics even at elevated temperatures, thus resolving the contradiction between ease of operation and reliability
Solution Approach 2:
The patent changes the chemical parameters of the interaction between the dye and matrix by introducing silane coupling chemistry. This parameter change transforms the interaction from physical mixing (conventional dispersant approach) to chemical bonding, thereby improving both dispersibility and thermal stability simultaneously, avoiding the deterioration of optical characteristics at high temperatures
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 hybrid resin effectively prevents dye aggregation, maintains fluorescence characteristics under high temperatures and concentrations, and offers excellent processibility, stability, and optical properties by forming a uniform inorganic-organic network.
Implementation Method 1
manufactured by polycondensing a mixture of an alkoxysilane bonded with a fluorescent dye and organo-silanediol without water
Implementation Method 2
the fluorescent dye is chemically bonded with siloxane having a compact inorganic network structure
Implementation Method 3
allow the fluorescent dye to be surrounded by the network structure of siloxane to protect the fluorescent dye
Implementation Method 4
it has a thermocurable or ultraviolet-curable functional group
Data Source
AI summary
The present invention provides a fluorescent dye-silane hybrid resin manufactured by polycondensing an alkoxysilane bonded with a fluorescent dye with an organo-silane. More particularly, the present invention provides a fluorescent dye-siloxane hybrid resin that is manufactured by reacting a fluorescent dye having one or more functional groups with an alkoxysilane having an organic functional group to form an alkoxysilane bonded with the fluorescent dye and then polycondensing the alkoxysilane bonded with a fluorescent dye with an organo-silanediol and an organo-alkoxysilane having a thermocurable or ultraviolet-curable functional group without water. The fluorescent dye-silane hybrid resin has excellent thermostability, photostability, fluorescence characteristics, and processibility.