Vinylsilane

Vinylsilane
Names
Preferred IUPAC name
Vinylsilane
Systematic IUPAC name
Ethenylsilane[1]
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.027.926
Properties
C2H6Si
Molar mass 58.1545 g mol−1
Appearance Colorless to tan waxy solid[2]
Hydrolysis[2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Vinylsilane, also called vinyl silane or ethenyl silane, is an organic chemical with chemical formula C
2
H
6
Si
or CH2=CH–SiH3. It is a derivative of silane.

Vinylsilane may also refer generically to any vinyl-substituted silane, such as vinyltrimethoxysilane or vinyltriethoxysilane. In this context it can refer to a monomer used for some copolymer plastics such as ethylene-vinyltrimethoxysilane and ethylene-vinyl acetate-vinyltrimethoxysilane. Vinyltrialkoxysilanes are also used as cross-linking agents during the manufacture of cross-linked polyethylene (PEX). The alkoxysilane moiety is reactive toward water, and in the presence of moisture, it forms silicon-oxygen-silicon bonds that cross-link the material to cure it. Moisture-curable polymers are used as electrical insulation in some kinds of cables and for water pipe in under-floor heating installations.

Vinyltrialkoxysilanes are also used as a coupling agents or adhesion promoters for treatment of glass fibers and particulate minerals in order to form stronger bonds with resin and produce fiberglass with better mechanical properties. Amino-functional silanes such as (3-aminopropyl)triethoxysilane and epoxy-functional silanes are used for the same purpose. The silane group attaches to the glass substrate via covalent Si-O-Si bond, while the resin reacts with the vinyl-, amino-, or epoxy- group and binds to it.

References

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