Typical Physical Properties of LS-GLYDME 3-(Glycidyloxy)propyldimethylethoxysilane
Silfluo Code: | LS-GLYDME |
Chemical Name: Synonyms | 3-(Glycidyloxy)propyldimethylethoxysilane Ethoxy-Dimethyl-[3-(2-Oxiranylmethoxy)Propyl]Silane; |
CAS No.: EINECS No.: | 17963-04-1 241-889-7 |
Molecular Formula: | C10H22O3Si |
Molecular Weight: | 218.37 |
Appearance: | Colorless transparent liquid |
Purity (by GC, %) | 97 min |
Density (25°C, g/cm³) | 0.940~0.960 |
Refractive Index (n25/D) | 1.4300 ~ 1.4400 |
Boiling Point: | 247.7°C |
Flash Point: | 81.5°C Closed Cup |
Chemical Structure: |
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Features of LS-GLYDME 3-(Glycidyloxy)propyldimethylethoxysilane
1. Zero-Crosslinking Surface Modification: The single ethoxy group strictly limits the reaction to end-capping substrate hydroxyls. This fundamentally prevents 3D siloxane condensation, completely eliminating the risk of premature gelation or agglomeration of treated powders.
2. Exceptional Viscosity Reduction: By neutralizing the active surface of highly loaded inorganic fillers (like silica or alumina), it dramatically reduces inter-particle friction. This significantly lowers the bulk viscosity of highly filled epoxy and electronic potting compounds, allowing for superior flow and workability.
3. Highly Reactive Epoxy Ring: The terminal glycidoxy group seamlessly reacts with amines, carboxylic acids, and alcohols, firmly anchoring the treated inorganic particles into the organic polymer backbone.
Applications of LS-GLYDME 3-(Glycidyloxy)propyldimethylethoxysilane
Silfluo LS-GLYDME is strictly engineered for high-precision polymer modification and electronic materials:
1. Advanced Electronic Packaging & Potting: Serves as a critical viscosity-reducing surface modifier for ultra-fine silica and alumina fillers used in epoxy-based semiconductor encapsulants, thermal interface materials (TIMs), and underfill resins.
2. Nanoparticle Dispersion & Treatment: Extensively utilized in the high-end pretreatment of mineral fillers and inorganic nanoparticles. It creates a hydrophobic, organic-compatible shell that prevents particle agglomeration in solvent-borne and solvent-free resin systems.
3. Polymer End-Capping: Functions as a highly specific chain-terminating agent in the synthesis of custom organosilicones and specialized functionalized prepolymers where strict molecular weight control is mandatory.
Packing of LS-GLYDME 3-(Glycidyloxy)propyldimethylethoxysilane
In 200kg drum and 1000kg IBC.
Safety and Storage of LS-GLYDME 3-(Glycidyloxy)propyldimethylethoxysilane
Keep in a cool, strictly dry, and well-ventilated environment, aggressively avoiding direct sunlight, heat, and open flames. The shelf life is a minimum of 12 months from the date of manufacture when stored at or below 25°C in tightly sealed, original unopened containers.
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