Typical Physical Properties of LS-M304 (3-Acryloxypropyl)trimethoxysilane
Silfluo Code: | LS-M304 |
Chemical Name: Synonyms | 3-Acryloxypropyltrimethoxysilane 3-(Trimethoxysilyl)propyl acrylate |
CAS No.: EINECS No.: | 4369-14-6 419-560-6 |
Molecular Formula: | C9H18O5Si |
Molecular Weight: | 234.32 |
Appearance: | Colorless transparent liquid |
Purity (by GC, %) | 97 |
Density (25°C, g/cm³) | 1.010-1.025 |
Refractive Index (n25/D) | 1.4010-1.4050 |
Boiling Point: | 240°C |
Flash Point: | 82°C Closed Cup |
Features of LS-M304 (3-Acryloxypropyl)trimethoxysilane
1. Ultra-Fast Free-Radical Reactivity: The unhindered acryloxy functionality drives exceptionally rapid copolymerization in UV, EB, and peroxide-cured systems, significantly outpacing traditional methacryl silanes and increasing high-speed production line throughput.
2. Superior Moisture & Electrical Resistance: Effectively bridges organic resins with inorganic fillers, maintaining the composite's profound mechanical strength and excellent dielectric properties even after prolonged immersion in boiling water.
3. Highly Dense Siloxane Network: The highly reactive trimethoxysilyl groups rapidly hydrolyze to form a robust, densely crosslinked 3D inorganic network on difficult substrates (glass, silica, metals), permanently anchoring the polymer matrix.
4. Optimal Compatibility: Readily integrates into advanced acrylic, unsaturated polyester, and vinyl ester resin systems without causing phase separation or unwanted viscosity spikes.
Applications of LS-M304 (3-Acryloxypropyl)trimethoxysilane
Silfluo LS-M304 is strictly engineered for high-performance, rapid-cure reactive polymer systems:
1. Fiber-Optic Coatings: The absolute material of choice as a critical adhesion promoter in UV-curable primary and secondary fiber-optic coatings, where millisecond-level curing speeds and extreme optical/mechanical stability are required.
2. Advanced UV/EB Inks & Coatings: Utilized in high-end radiation-curable wood coatings, 3D printing resins (SLA/DLP), and electronic conformal coatings to dramatically boost crosslink density and scratch resistance.
3. Artificial Marble & Engineered Stone: Incorporated into highly filled acrylic and unsaturated polyester composites to significantly improve the interfacial bond between the resin matrix and silica/quartz fillers, enhancing the flexural strength of the artificial stone.
4. High-Performance Adhesives & Sealants: Acts as a reactive additive in advanced structural acrylic adhesives and tapes, improving unprimed adhesion to glass and metal substrates.
Packing of LS-M304 (3-Acryloxypropyl)trimethoxysilane
In 200kg drum and 1000kg IBC.
Safety and Storage of LS-M304 (3-Acryloxypropyl)trimethoxysilane
Keep in a cool, strictly dark, and well-ventilated environment. The shelf life is a minimum of 6 to 9 months from the date of manufacture when stored at or below 25°C (refrigeration preferred for long-term stability) in tightly sealed, original unopened containers.
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