Along with, or instead of {HEAD ~ these polyenes} and {TAIL ~ silicon compounds}, crosslinkable prepolymers prepared from such polyenes and silicon compounds may be included 
Along with , or instead of { HEAD ~ these polyenes } and { TAIL ~ silicon compounds } , crosslinkable prepolymers prepared from such polyenes and silicon compounds may be included
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH