wherein R each independently represent a group selected from hydride, alkyl, alkenyl, aryl, silyl, and condensable group like alkoxyl, hydroxyl and m and n each are an integer of 1 or more; preferably 1 to 2000 but more preferably 1-1500; and at least one hydride group is included in the molecule A for the hydrosilation to occur with a vinyl or alkyne (Rx) containing compound or compounds of formu