In {TAIL ~ a second embodiment} of this invention, {HEAD ~ the crosslinkable} or crosslinked composition includes 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
In { TAIL ~ a second embodiment } of this invention , { HEAD ~ the crosslinkable } or crosslinked composition includes 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
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