نتایج جستجو برای: metallocene catalyst
تعداد نتایج: 44388 فیلتر نتایج به سال:
The MIT Faculty has made this article openly available. Please share how this access benefits you. Your story matters. Abstract Efficient and scalable solution-based processes are not generally available to integrate well-studied pseudocapacitive materials (i.e., metal oxides and conducting polymers) with other components such as porous carbon, mainly because these classes of pseudocapacitive s...
To unravel the relationship between silylene-bridged metallocene catalyst structures and polymerization conditions their effect on performance in in-reactor functionalization of polypropylene, behaviors rac-Me2Si(2-Me-4-Ph-Ind)2ZrCl2/MMAO, rac-Me2Si(Ind)2ZrCl2, rac-Me2Si(2-Me-4-Ph-Ind)2HfCl2, rac-Me2Si(Ind)2HfCl2 propylene/aluminum alkyl-passivated 10-undecen-1-ol copolymerization were compared...
The spin-dependent transport properties of single ferrocene, cobaltocene, and nickelocene molecules attached to the sidewall of a (4,4) armchair single-walled carbon nanotube via a Ni adatom are investigated by using a self-consistent ab initio approach that combines the non-equilibrium Green's function formalism with the spin density functional theory. Our calculations show that the Ni adatom ...
eethylene polymerization catalysts became available in an enormous variety. the challenge in this research is to find catalysts that are able to connect ethylene molecules in such a way that not only linear chains are produced but variations like branched materials that possess very interesting mechanical properties like linear low density polyethylene (lldpe). in this contribution, three diffe...
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