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THE CONDENSATION BLOCK COPOLYMER LITERATURE
within a spherulite Schultz 1974
10 other sections not shown
amorphous phase analysis approximately average block copolymers calculated Chapter component composition condensation block copolymers crystal 1izable crystalline phase crystalline weight fraction decreasing degree of polymerization density dielectric spectroscopy differential scanning calorimetry diffraction lines DSC traces equation exhibit films frequency glass transition temperature gradients heat of fusion homopolymer hydrogen bonding increasing integral interfaces isotropic lamellae Lilaonitkul maxima measured melting endotherms melting point microdomains microscopy microstructures modulus mold molecular weight nucleation number-average paracrystalline parameters permittivity poly(tetramethylene polyester polyether crystallization polyether segments polyether sequences POLYETHER-URETHANE BLOCK COPOLYMERS polymers polyurethane domains polyurethane fraction polyurethane segments polyurethane sequences PTMEG PTMO PTMO-PTMT PTMT reaction rubbery sample SAXS scattering angle scattering patterns segmented polyesters segmented polyether-esters segmented polyether-urethanes segmented polyurethanes shown in Figure spectra spectrometer spherulites subaudio subcooling Table temperature range thermal thermoplastic elastomers thickness urethane values volume fraction X-ray diffraction X-ray scattering