Monodisperse polyethylenes: Crystallization kinetics

J. ‐C Hser*, Stephen Howard Carr

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


Crystallization kinetics of hydrogenated monodisperse polybutadienes have been measured using hot‐stage microscopy, and the data have been analyzed in terms of crystallization half‐time and Avrami exponent. Results obtained from hydrogenated polybutadienes having M̄w's in the range 5,100 to 340,000 were compared with what was obtained from several commercial polyethylenes. A four‐branch star hydrogenated polybutadiene was also included in this study. Crystallization half‐time at constant undercooling was found to go through a minimum when expressed as a function of M̄w; such behavior is consistent with polyethylene data already reported in the literature. It was found that crystallization half‐times for all polyethylene homopolymers studied (hydrogenated polybutadienes as well as commercial polyethylenes with their broad molecular weight distributions) exhibit similar exponential dependences on undercooling.

Original languageEnglish (US)
Pages (from-to)436-440
Number of pages5
JournalPolymer Engineering & Science
Issue number6
StatePublished - Jan 1 1979

ASJC Scopus subject areas

  • Chemistry(all)
  • Polymers and Plastics
  • Materials Chemistry


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