Control of molecular weight and chain-end group in tactic polypropylenes using chain transfer agents

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

The intense research interest in tactic control of metallocene-mediated propylene polymerization has provided a tremendous amount of detail regarding the mechanism of polymerization,1-4 including active site structure, the regioselectivity and stereoselectivity of propylene coordination and insertion, and the relationship between catalyst symmetry and polymer microstructure and properties. Nevertheless, chain release mechanisms, usually involving various chain transfer reactions, have received less attention. Some reports5-7 focus on the control of catalyst activity, polymer molecular weight, and saturated polymer chain-end structure by introducing hydrogen transfer agents using different metallocene catalysts.

Original languageEnglish (US)
Title of host publicationStereoselective Polymerization with Single-Site Catalysts
PublisherCRC Press
Pages273-296
Number of pages24
ISBN (Electronic)9781420017083
ISBN (Print)9781574445794
StatePublished - Jan 1 2007

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Materials Science(all)
  • Chemistry(all)
  • Chemical Engineering(all)

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    Chung, T. C. (2007). Control of molecular weight and chain-end group in tactic polypropylenes using chain transfer agents. In Stereoselective Polymerization with Single-Site Catalysts (pp. 273-296). CRC Press.