This article reviews the recent developments of Ziegler-Natta and metallocene catalysts for
olefin polymerizations. The roles of magnesium dichloride and electron donors on the …

Heterogeneous catalysis for olefin polymerization is one of the most relevant industrial
processes in terms of worldwide diffusion, material volume, and economic turnover. At the …

The Polymeric Materials Encyclopedia presents state-of-the-art research and development
on the synthesis, properties, and applications of polymeric materials. This groundbreaking …

Polyolefin resins are the major plastics consumed in the world and are the subject of many
new research works. This review will discuss how polyolefin technology has been …

Systematic periodic density functional calculations were conducted to clarify the mechanism
for donors to exert steric and electronics influences on propylene polymerization using …

Three diethers, 2, 2-diisobutyl-1, 3-dimethoxypropane, 2, 2-dicyclopentyl-1, 3-
dimethoxypropane, and 2-ethyl-2-butyl-1, 3-dimethoxypropane, differing in the bulkiness of …

The GPC method is used widely to measure molecular weights of linear polymers. High‐
quality GPC data contains detailed information on many aspects of the polymer's molecular …

An active model for a Ziegler–Natta propylene polymerization catalyst has been prepared by
spin-coating of a MgCl2/diether donor solution in ethanol on a flat silicon wafer, followed by …

Poly (propylene) s prepared using MgCl2‐supported catalysts containing different electron
donors have been characterized using temperature rising elution fractionation (TREF), gel …

Abstract The innovation of Ziegler-Natta (ZN) catalysts opened a novel aspect of chemistry in
terms of polyolefin formation. Significant progress of more than fifty years in catalytic olefin …