Abstract
We report a systematic study on the gas-phase polymerization of ethylene by a metal–organic framework (MOF) catalyst. Cr3+-exchanged MFU-4l (Cr(III)-MFU-4l, MFU-4l = Zn5Cl4(BTDD)3, H2BTDD = bis(1H-...
Highlights
We report a systematic study on the gas-phase polymerization of ethylene by a metal−organic framework (MOF) catalyst
Decades of research has been focused on developing heterogeneous polymerization catalysts that can reproduce the high degree of reactivity control afforded by the molecular single-site catalysts.[4,5]
The synthesis of heterogeneous polymerization catalysts has largely involved chemically immobilizing the active metal species onto porous supports to achieve high dispersion of surface species available for gas-phase reaction.[9−11] lack of precise molecular control over the immobilization process leads to variability in the final structure of the supported species, which results in numerous activesite local environments with vastly differing polymerization rates.[12]
Summary
H.D.P. gratefully acknowledges the Samsung Foundation for support through the Samsung Scholarship program. Studies of small molecule reactivity in MOFs were supported by a CAREER grant from the National Science Foundation to M.D. Any opinions, finding, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation. MRCAT operations, beamline 10-ID, are supported by the Department of Energy and the MRCAT member institutions
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