Aminotelechelics: A Convenient Synthesis and Characterization of Primary Amino-Terminated Telechelic Poly(propylene glycol) and Polyisobutylene

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Abstract

The synthesis of amino-terminated telechelic poly(propylene glycol) and polyisobutylene from their corresponding dihydroxy-terminated derivatives was studied. The synthesis of these aminotelechelics was achieved by the coupling of imidazolyl-formates with ethylenediamine. The structure of the resulting amino-functionalized polymers was determined by 1H NMR, 13C NMR, and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. On the basis of the spectroscopic and spectrometric results, a complete conversion of dihydroxy termini into diamino end groups was observed; that is, the number-average functionality was found to be 2.

Original languageEnglish
Pages (from-to)587-596
Number of pages10
JournalJournal of Polymer Science, Part A: Polymer Chemistry
Volume42
Issue number3
DOIs
Publication statusPublished - Feb 1 2004

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Keywords

  • Aminotelechelics
  • MALDI
  • Mass spectrometry
  • NMR
  • Poly(propylene glycol)
  • Polyisobutylene

ASJC Scopus subject areas

  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

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