Journal
EUROPEAN POLYMER JOURNAL
Volume 44, Issue 2, Pages 436-443Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eurpolymj.2007.11.005
Keywords
poly(trimethylene terephthalate); segmented block copolymers; polyester thermoplastic elastomers
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A series of novel poly(trimethylene tereplitlialate)-block-poly(tetramethylene oxide) (PTT-PTMO) segmented block copolymers were synthesised by transesterification in the melt of dimethyl terephthalate, 1,3-propanediol and poly(tetramethylene oxide) glycol (PTMO, 1000 g/mol). A range of multiblock copolymers were synthesized, with flexible PTMO segments contents varying from 20 to 80 wt%. The novel poly(ether-block-ester)s were characterized by using viscometry, hardness measurements, differential scanning calorimetry (DSC), dynamic mechanical thermal analysis (DMTA), and tensile properties. (c) 2007 Elsevier Ltd. All rights reserved.
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