Vinylsilane

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IUPACName = Vinylsilane
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Section1 = Chembox Identifiers
CASNo = 7291-09-0
PubChem = 6327643
SMILES = C=CSi
Section2 = Chembox Properties
Formula = C₂H₆Si
MolarMass = 55.1307 g/mol
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Vinylsilane, also called vinyl silane or ethenyl silane, is an organic chemical with chemical formula C₂H₆Si, or CH₂=CH-SiH₃. It is a derivative of silane.

Vinylsilane is used as a monomer for some copolymer plastics such as ethylene-vinylsilane and ethylene-vinyl acetate-vinylsilane. It is also used as a cross-linking agent during the manufacture of cross-linked polyethylene. The silane group is reactive, and in the presence of moisture, it forms cross-links as the material cures. Moisture-curable polymers are used as electrical insulation in some kinds of cables.

Vinyl silane is also used as a coupling agent for treatment of glass fibers in order to form stronger bonds with resin and produce fiberglass with better mechanical properties. Aminosilane and epoxy silane 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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