Segmented block copolymers with monodisperse hard segments: the influence of H-bonding on various properties

G.J.E. Biemond, Jan Feijen, R.J. Gaymans, Hermina W.M. ten Hoopen

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The properties of segmented-copolymer-based H-bonding and non-H-bonding crystallisable segments and poly(tetramethylene oxide) segments were studied. The crystallisable segments were monodisperse in length and the non-hydrogen-bonding segments were made of tetraamidepiperazineterephthalamide (TPTPT). The polymers were characterised by DSC, FT-IR, SAXS and DMTA. The mechanical properties were studied by tensile, compression set and tensile set measurements. The TPTPT segmented copolymers displayed low glass transition temperatures (Tg, −70 °C), good low-temperature properties, moderate moduli (G′ ≈ 10–33 MPa) and high melting temperatures (185–220 °C). However, as compared to H-bonded segments, both the modulus and the yield stress were relatively low.
Original languageUndefined
Pages (from-to)492-501
JournalMacromolecular materials and engineering
Issue number8
Publication statusPublished - 2009


  • properties
  • IR-72633
  • Block copolymers
  • METIS-263161
  • Monodisperse
  • H-bonding
  • Piperazine
  • Crystallization

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