The multi branched diene polymers obtained by gas phase anionic polymerization employing the catalysts exhibit {HEAD ~ desirable properties}, such as an extremely high molecular weight, a controlled molecular weight distribution, Tg and {TAIL ~ vinyl content}, and the ability to readily absorb hydrocarbon solvents and oils 
such as
The multi branched diene polymers obtained by gas phase anionic polymerization employing the catalysts exhibit { HEAD ~ desirable properties } , such as an extremely high molecular weight , a controlled molecular weight distribution , Tg and { TAIL ~ vinyl content } , and the ability to readily absorb hydrocarbon solvents and oils
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH