Union carbide polymerization catalysts: from uncovering active site structures to designing molecularly-defined analogs
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DOI: 10.1039/d2sc04235e
Abstract: The Union Carbide (UC) ethylene polymerization catalysts, based on chromocene dispersed on silica, show distinct features from the Phillips catalysts, but share the same heated debate regarding the structure of their active sites. Based on… read more here.
Keywords: 600 600; active site; polymerization catalysts; union carbide ... See more keywords
Assigning 1H chemical shifts in paramagnetic mono- and bimetallic surface sites using DFT: a case study on the Union Carbide polymerization catalyst
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DOI: 10.1039/d2sc06827c
Abstract: The Union Carbide (UC) ethylene polymerization catalyst, based on silica-supported chromocene, is one of the first industrial catalysts prepared by surface organometallic chemistry, though the structure of the surface sites remains elusive. Recently, our group… read more here.
Keywords: polymerization catalyst; surface; chemical shifts; surface sites ... See more keywords