Bis(3-aminopropyl) Terminated Polydimethylsiloxane
Bis(3-aminopropyl) Terminated Polydimethylsiloxane is linear difunctional reactive silicone fluid with flexible polydimethylsiloxane backbone and reactive 3-aminopropyl groups at both terminals。Custom specifications are available upon customer request.
Bis(3-aminopropyl) Terminated Polydimethylsiloxane
Bis(3-aminopropyl) Terminated Polydimethylsiloxane
CAS No.: 106214-84-0
Appearance: Colorless to pale yellow transparent liquid
Amine Value: Adjustable within 0.1–1.0 mmol/g
Density (25℃): 0.97–0.99 g/cm³
Refractive Index: 1.409–1.413
Flash Point: Above 120℃, low volatility
Solubility: Miscible with aromatic, ester and ketone solvents; slightly soluble in low-carbon alcohols; insoluble in water
Reactivity: Covalent crosslinking with epoxy, anhydride, isocyanate and carboxyl-bearing resins
Storage Requirements
Store in tightly sealed containers away from light at 2–25℃, shield from direct sunlight and UV radiation.
Separate storage from organic acids, epoxy monomers and isocyanates to avoid premature crosslinking and deterioration.
Keep packaging airtight and moisture-proof; standard shelf life is 12 months.
Stay away from high-temperature heat sources and open flames, maintain dry and ventilated warehouse
Mw：1000-3000
Custom specifications are available upon customer request
Toughening modifier for epoxy resins: Crosslink with epoxy groups to reduce coating internal stress and improve toughness, adhesion, weather resistance and surface smoothness.
Synthetic intermediate for silicone-modified polyurethane: Polymerize with isocyanates to produce PU resins for leather, coatings and elastomers.
High-end textile softening finishing agent: Endow fabrics with soft touch and antistatic performance.
Compatibilizer & leveling agent for coatings and inks: Improve inter-resin compatibility and deliver abrasion-resistant hydrophobic finish.
Additive for adhesives and primers: Enhance bonding strength on plastic, metal and glass substrates.
Modifying monomer for polyimide & polyamide: Synthesize high-temperature resistant silicone block engineering plastics.
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