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A Summary of the Literature
Copolyetherester Synthesis Sequence Length Distributions
Mechanical Properties and the Influence of Hard Segment
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1,1,2-trichloroethane 10*C/min of samples angle X-ray diffraction angle X-ray scattering annealed at room annealing endotherm approximately blends compression molded samples cooled copolyesters copolyether-ester series copolyether-esters copolyether-esters containing copolymers crosslinks crystal population deformation Differential Scanning Calorimetry DSC scans DSC traces dynamic mechanical electron density elongation function of crystallization glass transition temperature hard segment content hard segment crystallizability heating at 20*C/min heats of fusion homopolymer Hytrel Hz and 2*C/min increases initial heating isophthalate IxlO lamellae loss modulus loss tangent mechanical properties melting endotherm melting point melting point depression molecular weight observed oligomers peak phase separation poly(tetramethylene polymer PTMI crystallization PTMI-rich PTMO PTMT and PTMI PTMT crystallinity PTMT homopolymer recrystallization relaxation room temperature scattering data sequence length distribution shown in Figure Small angle X-ray solvent cast samples spherulites storage modulus data Stress-strain curves tensile testing terephthalate units thermoplastic elastomers Wide angle X-ray X-ray diffraction X-ray scattering profiles Young's modulus