Vinyl silane
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Preferred IUPAC name
Vinylsilane
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Systematic IUPAC name
Ethenylsilane
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3D model (JSmol)
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| ChemSpider | |
| ECHA InfoCard | 100.027.926 |
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PubChem CID
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| Properties | |
| C2H6Si | |
| Molar mass | 58.1545 g mol−1 |
| Appearance | Colorless to tan waxy solid |
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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
2H
6Si 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.
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