Tetraalkylsllanes carrying one short and three long alkyl groups were syntheslred via a two- step hydrosllylatlon procedure, which appears more suited for commercial productlon than previously employed Grlgnard or alkylllthlum routes. The vlscosltles of two component blends were adequately treated by the ASTM D-341 procedure. The thermal stabillties of some sllahydrocarbons and model paraff Ins, as measured by the loss of thelr 40 OC ...
