Vinyl Silane Coupling Agent Crosile® 171
Adhesion Promoter or Water Scavengers
Chemical Structure
Chemical Properties
Crosile® 171 Vinyltrimethoxysilane (VTMO) is a silane coupling agent that contains vinyl and hydroxyl groups. It can be effectively utilized to enhance the wettability and improve the superhydrophobic characteristics of different composites.
Synonyms Name (Equivalent Grade)
(Trimethoxysilyl)ethylene, Trimethoxy(vinyl)silane, Z-6300(Dowcorning), KBM-1003(Shin-Etsu,Japan), Geniosil XL10/ME16. Trimethoxy(vinyl)silane, Vinymethyltrimethoxysilane, Vinyltrimethoxysilane, Trimethoxysilyl)ethylene, VTMO(Evonik), Vinyl teimethoxy silane, A-171(Momentive,US)
Specifications
|
Properties |
Units |
Target Values(Spec, Limits) |
Typical Value |
|
Appearance |
---- |
Colorless Liquid |
Coloress Liquid |
|
Crosile® 171 Content |
%(wt) |
>98% |
99.65 |
|
Density(p20) g/cm3 |
g/cm3 |
0.9700+/_0.0050 |
0.9708 |
|
Refractive Index(25°C) |
--- |
1.3930+/_0.0050 |
1.392 |
|
Ethyltrimethoxysilane Content |
% | 1.0 | 0.23 |
|
Methanol Content |
% | 1.0 | 0.01 |
|
Chlorine Content |
% | Max 10ppm | 5ppm |
|
Boiling Point |
°C | 122-123°C | 123 |
Application
-
Production of Modified Polyethylene: Vinylsilane Crosile® 171 is used as a monomer for producing modified polyethylene with different densities and co-polymer structures. It allows the fine-tuning of the final properties of the polymer, such as block-copolymer with a comb structure or linear structure.
-
Cable Shields and Electrical Resistances: The modified polymers derived from Vinylsilane Crosile® 171 find applications in cable shields and electrical resistances. These materials offer improved properties suitable for electrical insulation in certain types of cables and water pipes in under-floor heating installations.
-
Cross-Linking Agent for Polyethylene: Vinyl Silane Crosile® 171 is used as cross-linking agents in the manufacturing of cross-linked polyethylene (PEX). The alkoxysilane moiety in Vinylsilane reacts with water, forming silicon-oxygen-silicon bonds that cross-link the material and cure it. Moisture-curable polymers, including PEX, are commonly used as electrical insulation and in water pipe applications.
-
Coupling Agent/Adhesion Promoter: Vinylsilane Crosile® 171, along with amino-functional and epoxy-functional silanes, serves as a coupling agent or adhesion promoter. It is used for treating glass fibers and particulate minerals to enhance their bonding strength with resin. The silane group in Vinylsilane forms a covalent Si-O-Si bond with the glass substrate, while the resin reacts with the vinyl group, amino group, or epoxy group, leading to stronger bonds and improved mechanical properties in fiberglass production.
