1) Vinyl compound 
Vinylsilane, also called vinyl silane or ethenyl silane, is an organic chemical with chemical formula {chem|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 som...