Silane Coupling Agents | Ureido Silanes | Surface Modifiers
| SiSiB® PC2521 |
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3-Ureidopropyltriethoxysilane 50% solution in Methanol. Synonym: N-(Triethoxysilylpropyl)urea 50% solution in Methanol Countertype of Dynasylan 2201, DowCorning Z-6676, ShinEtsu KBE-585, Silquest A-1160 |
| Chemical Structure |
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| Introduction |
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SiSiB® PC2521 is a bifunctional organosilane having a reactive organic ureido group and a hydrolyzable inorganic triethoxysilyl group. The dual nature of its reactivity allows SiSiB® PC2521 to bind chemically to both inorganic materials (e.g. glass, metals, fillers) and organic polymers (e.g. thermosets, thermoplastics, elastomers), functioning as an adhesion promoter and as a surface modifier. SiSiB® PC2521 is a 50% solution of silane in methanol; it is a colorless liquid with an alcohol-like odor and is soluble in alcohols, ketones, esters or aromatic hydrocarbons. |
| Typical Physical Properties |
| Chemical Name: | gamma-Ureidopropyltriethoxysilane |
| CAS No.: | 116912-64-2 or 23779-32-0 |
| EINECS No.: | 245-876-7 |
| Empirical Formula: | C10H24N2O4Si |
| Molecular Weight: | 264.4 |
| Boiling Point: | 68°C [760mmHg] (initial, methanol) |
| Flash Point: | 14°C |
| Color and Appearance: | Colorless clear liquid with alcohol-like odor |
| Density [25°C]: | 0.92 |
| Refractive Index [25°C]: | 1.386 |
| Purity: | 50% solution in Methanol |
| Applications |
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SiSiB® PC2521 can be used with such polymers as epoxy, phenolic, furan and melamine resins, polyurethanes, PA, PBT, PE, EVA, PP, PVB, PVAC, acrylics and silicones. SiSiB® PC2521 can be used as a size constituent of finish for glass fiber/glass fabric composites. SiSiB® PC2521 can be used as an additive to phenolic, furan and melamine resins for foundry resins and abrasives. SiSiB® PC2521 can be used as an additive for sealants and adhesives. SiSiB® PC2521 can be used as an additive and/or primer for paints and varnishes to improve adhesion to the substrate. The most important effects which can be achieved using PC2521 are improvements in product properties, such as: Improved mechanical properties: e.g. flexural strength, tensile strength, impact strength, modulus of elasticity. Improved resistance to moisture and corrosion. Higher temperature of deflection under load. |
| Packings |
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Net weight 180Kg steel drum, for more details, please visit Packing Centre. |
| Technical Library |
Download Technical Data Sheet  Safety Data Sheet
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SiSiB® SILANES 2016