Segmented Block Copolymers with Monodisperse Hard Segments: The Influence of H-Bonding on Various Properties

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Biemond, G.J.E. and Feijen, Jan and Gaymans, Reinoud J. (2009) Segmented Block Copolymers with Monodisperse Hard Segments: The Influence of H-Bonding on Various Properties. Macromolecular Materials and Engineering, 294 (8). pp. 492-501. ISSN 1438-7492

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Abstract: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.
Item Type:Article
Copyright:© 2009 Wiley
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/72633
Official URL:http://dx.doi.org/10.1002/mame.200900093
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