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Preparation and properties of highly functional copolyetheresters
Author(s) -
Park Yun Heum,
Kim Ki Young,
Han Myong Hee
Publication year - 2003
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.11611
Subject(s) - thermogravimetric analysis , differential scanning calorimetry , condensation polymer , dimethyl terephthalate , polymer chemistry , materials science , naphthalene , ether , copolymer , organic chemistry , chemistry , polymer , polyester , composite material , physics , thermodynamics
Block copolyetheresters with hard segments of poly(trimethylene 2,6‐naphthalene dicarboxylate) and soft segments of poly(tetramethylene ether)glycol 2,6‐naphthalene dicarboxylate were prepared by the melt polycondensation of dimethyl 2,6‐naphthalene dicarboxylate (NDC), 1,3‐propanediol (PD), and poly(tetramethylene ether)glycol (PTMEG) with molecular weights of 1000. The block copolyetheresters were characterized by 1 H‐NMR spectroscopy, differential scanning calorimetry, thermogravimetric analysis, and dynamic mechanical analysis. The block copolyetheresters synthesized with NDC/PD/PTMEG were more heat resistant than those synthesized with dimethyl terephthalate/PD/PTMEG. The block copolyetheresters synthesized with NDC/PD/PTMEG showed stronger elastoplastic behavior than those synthesized with NDC/1,4‐butanediol/PTMEG. © 2003 Wiley Periodicals, Inc. J Appl Polym Sci 88: 139–145, 2003