Quantitative aspects of chain extension of telechelics

Béla Iván, Joseph P. Kennedy

Research output: Contribution to journalArticle

9 Citations (Scopus)


Quantitative aspects of chain extension of telechelics have been studied. Molecular weight independent characteristic terms were defined and simple expressions were derived for number average extension, {Mathematical expression}, and number average degree of extension, {Mathematical expression}, as a function of number average functionality (-Fn) of telechelic prepolymers. Analysis of these expressions indicate that Ēn and -DEn are enormously sensitive to insignificant changes in -Fn close to ideal -Fn = 2.0. Molecular weight of the extended polymer (-Mr) has also been calculated considering -Fn, number average molecular weight of the prepolymer (-Mn), and molecular weight of the extender (Me).

Original languageEnglish
Pages (from-to)351-356
Number of pages6
JournalPolymer Bulletin
Issue number5
Publication statusPublished - Mar 1 1980

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Polymers and Plastics
  • Materials Chemistry

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