In a second embodiment of this invention, {HEAD ~ the crosslinkable} or crosslinked composition includes {TAIL ~ a polyene} having at least two hydrosilation reactive carbon carbon double bonds, besides the unsaturated elastomeric polymer, and the indicated hydrosilation catalyst and silicon compound 
In a second embodiment of this invention , { HEAD ~ the crosslinkable } or crosslinked composition includes { TAIL ~ a polyene } having at least two hydrosilation reactive carbon carbon double bonds , besides the unsaturated elastomeric polymer , and the indicated hydrosilation catalyst and silicon compound
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH