Wannida Apisuk, Boonyarach Kitiyanan, Hyun Joon Kim, Dong Hyun Kim and Kotohiro Nomura Introduction of reactive functionality by the incorporation of divinylbiphenyl in ethylene copolymerization with styrene or 1-hexene using aryloxo-modified half-titanocenes and MAO catalysts Journal of Polymer Science Part A: Polymer Chemistry 51
The introduction of the vinyl group into poly(ethylene-co-styrene) or poly(ethylene-co−1-hexene) is achieved by the incorporation of 3,3′-divinylbiphenyl (DVBP) in terpolymerization of ethylene, styrene, or 1-hexene with DVBP using aryloxo-modified half-titanocenes, Cp′TiCl2(O−2,6-iPr2C6H3) [Cp′ = Cp*, tBuC5H4, 1,2,4-Me3C5H2], and methylaluminoxane (MAO) catalysts. Efficient comonomer incorporations are achieved by these catalysts, and the content of each comonomer can be varied by its concentration charged. Postpolymerization of styrene is initiated from the vinyl group by treatment with n-BuLi.
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