Polypropylene (PP) random copolymers are an important class of commercial materials that can be tuned for a wide range different applications. The structure–property relations mainly discussed in this article focusing on two major influencing factors, the catalyst system and type amount comonomer. Ziegler–Natta (ZN) systems still dominate production polypropylene todays sixth-generation ZN cata...

Titanocene derivatives with an interannular ethylene bridge, while resem· bling their unbridged counterparts in many transformations involving Ti or TillI oxidation stages, do not follow reaction paths previously observed for unbridged titanocene in a number of reactions, such as formation of a TiII dinitrogen complex, isotope exchange of the cyclopentadienyl riIig ligands with D 2, or formatio...

More than half a century after the discovery of ferrocene structure in 1951, it remains as suitable building block many research areas, including catalysis with development key chiral catalysts. On other hand, gold-mediated has been raised recent years, allowing creation great variety C−C bonds and C-heteroatom bonds. In this context, review covers advances made combination these two iconic fig...

Highly active metallocenes and other single site catalysts have opened up the possibility of polymerizing cycloolefins such as norbornene (N) or of copolymerizing them with ethene (E) or propene (P). The polymers obtained show exciting structures and properties. E-N copolymers are industrially produced materials, with variable and high glass transitions depending on the wide range of their micr...