Phillips Cr/silica catalyst for ethylene polymerization

Ruihua Cheng, Zhen Liu, Lei Zhong, Xuelian He, Pengyuan Qiu, Minoru Terano, Moris S. Eisen, Susannah L. Scott, Boping Liu*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

41 Scopus citations


The Phillips Cr/silica catalyst, discovered by Hogan and Banks at the Phillips Petroleum Company in the early 1950s, is one of the most important industrial catalysts for polyethylene production. In contrast to its great commercial success during the past half-century, academic progress regarding a basic understanding of the nature of the active sites and polymerization mechanisms is lagging far behind. During the last decade, increasing research efforts have been performed on the Phillips catalyst through various approaches, including spectroscopic methods, polymerization kinetics, heterogeneous model catalysts, homogeneous model catalysts, and molecular modeling. Much deeper mechanistic understanding, together with successive catalyst innovations through modifications of the Phillips catalyst, has been achieved.

Original languageEnglish
Title of host publicationPolyolefins
Subtitle of host publication50 Years After Ziegler and Natta I: Polyethylene and Polypropylene
PublisherSpringer New York LLC
Number of pages68
ISBN (Print)9783642408076
StatePublished - 2013
Externally publishedYes

Publication series

NameAdvances in Polymer Science
ISSN (Print)0065-3195


  • Ethylene polymerization mechanisms
  • Heterogeneous model catalysts
  • Homogeneous model catalysts
  • Molecular modeling
  • Phillips Cr/silica catalyst
  • Polyethylene
  • Polymerization kinetics


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