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Vinyltrimethoxysilane VTMS
Apr 08, 2018

Synonyms: (trimethoxysilyl)ethylene; trimethoxyvinylsilane; ethenyltrimethoxysilane; (trimethoxysilyl)ethene;


Formula: CH2=CHSi(OCH3)3


Description: Colorless or yellowish transparent liquid, soluble in organic solvents such as alcohol, toluene, propanone, benzene, etc., hydrolyze in acidic aqueous.


Boiling point : 122-123°C

Density (ρ20)g/cm3 :0.9700±0.0050

Refractive index (n25D) : 1.3930 ± 0.0500

Main application industries: Glass fiber ; Cable ; Adhesive promoter ; Resin ; Filler ; Paint


Application:With the function of both coupling agent and crosslinking agent, A-171 can be applied to polyethylene, polypropylene, unsaturated polyester and other polymers.

A-171 can be used to improve the affinity of glass fibre, inorganic fillers and resin to react with vinyl, usually used in cable and pipe of silane crosslinked polyethylene.


Equivalent product name Dynasylan VTMO(Degussa), Z-6300 (Dowcorning), A-171 (Crompton), KBM-1003(Shin-Etsu)