| abstract |
The invention provides vinyl carbon silicone resin, it is 1,3,5,7 tetravinyls 1,3,5, hydrosilylation reaction product of linear polysiloxane, siloxanes or the silane that 7 tetramethyl-ring tetrasiloxanes are blocked with hydride in the presence of platinum catalyst, linear polysiloxane, siloxanes or the silane of the hydride end-blocking have two end Si H hydrogen reacted in silicon hydrogenation with vinyl.Linear polysiloxane, siloxanes or the silane of suitable hydride end-blocking are selected from those with structure I and II.Curable compositions are additionally provided, it includes vinyl carbon silicone resin and the reaction product of hydrosilanes and/or hydride silicone in the presence of platinum catalyst. |