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Critically evaluated rate parameters for chain-length-dependent termination in radical polymerization of styrene and n-alkyl methacrylates

Published/Copyright: November 18, 2014
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Chemistry International
From the journal Chemistry International Volume 36 Issue 6

A project initiated under the Polymer Division aims to deliver a critical evaluation of rate parameters for chain-length-dependent termination of styrene and n-alkyl methacrylates, leading to the provision of benchmark data for such; and to provide guidelines on the correct employment of these parameters for evaluation of (steady-state) rate and average degree of polymerization.

The previous project in this series, “Critically evaluated termination rate coefficients for free-radical polymerization. 1. Current status, evaluation of experimental methods, data for styrene and methyl methacrylate” (project 2000-028-1-400), was by any measure a success. This is conveyed most emphatically by the impressive number of citations so far for the two publications from this project: 108 for M. Buback et al. Macromol. Chem. Phys. 2002, 203, 2570-2582 (http://dx.doi.org/10.1002/macp.200290041), and 72 for C. Barner-Kowollik et al. Prog. Polym. Sci. 2005, 30, 605-643 (http://dx.doi.org/10.1016/j.progpolymsci.2005.02.001).

What these figures evidence is the thirst of the radical polymerization (RP) community - including the many practitioners of reversible-deactivation (“living/controlled”) RP - for definitive instruction and data on termination, traditionally the most difficult topic in the realm of RP kinetics. The reason for the difficulty has become incontrovertibly clear over the last decade: termination is chain-length dependent in rate.

For more information, contact the Task Group Chair Greg Russell <>

www.iupac.org/project/2013-051-1-400

Online erschienen: 2014-11-18
Erschienen im Druck: 2014-11-1

©2014 by Walter de Gruyter Berlin/Boston

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  16. 2015 IUPAC-SOLVAY International Award for Young Chemists announced
  17. In Memoriam: Gerrit den Boef
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  19. Critically evaluated rate parameters for chain-length-dependent termination in radical polymerization of styrene and n-alkyl methacrylates
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  32. Conference Call
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https://doi.org/10.1515/ci-2014-0615

Articles in the same Issue

  1. Masthead - Full issue pdf
  2. From the Editor
  3. Contents
  4. Features
  5. Planetary Boundaries and Chemical Pollution: A Grail Quest?
  6. Research Integrity: Science Community Needs to Address Threats by Research Assessments
  7. IUPAC and ICSU—A Comment
  8. Invitation to host the ICSU Secretariat for the Committee on Freedom and Responsibility in the conduct of Science (CFRS)
  9. Drug Design and Development: A Research Center More Than Twenty Years in the Making
  10. Youth Views on Sustainability: Size Matters, But So Does Speed
  11. IUPAC Wire
  12. Mort Hoffman Receives Chemistry Education Award
  13. Vânia G. Zuin is awarded the CHEMRAWN VII Prize for Atmospheric and Green Chemistry
  14. Sébastien Perrier received the 2014 IUPAC- Samsung Young Polymer Scientist Award
  15. DSM Materials Sciences Award 2014 goes to Prof. Jian Ping Gong
  16. 2015 IUPAC-SOLVAY International Award for Young Chemists announced
  17. In Memoriam: Gerrit den Boef
  18. The Project Place
  19. Critically evaluated rate parameters for chain-length-dependent termination in radical polymerization of styrene and n-alkyl methacrylates
  20. Guidelines for assigning values and calculating uncertainties to the standard atomic weights
  21. Nano-pesticides in the Environment
  22. Medicinal Chemistry in Drug Discovery, India
  23. Biological Context by TextData-mining
  24. IUPAC Recommendations for the definition, preferred symbol for all transport properties
  25. End-of-line hyphenation of systematic chemical names
  26. Making an imPACt
  27. Single-molecule fluorescence imaging by total internal reflection fluorescence microscopy (IUPAC Technical Report)
  28. Updates to the International System of Units (SI) brochure (8th edition)
  29. Variation in the terrestrial isotopic composition and atomic weight of argon (IUPAC Technical Report)
  30. Provisional Recommendations
  31. Nomenclature and Graphic Representations for Chemically Modified Polymers
  32. Conference Call
  33. Big Data for International Scientific Programmes
  34. CD3—A Celebration More Than 20 Years in the Making
  35. Solid State Chemistry
  36. Where 2B & Y
  37. Highlights in Medicinal Chemistry
  38. European Polymer Congress
  39. Point of Care Testing
  40. Research Integrity
  41. Mark Your Calendar
  42. Index 2014
  43. Stamps International
  44. The International Year of Crystallography (2014): A Philatelic Celebration
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