Microstructure in Polyether-ester and Polyether-urethane Block Copolymers: Electric Polarization and X-ray Diffraction as Morphological Probes |
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Page 108
... calculated values of V2 and have been listed in Table 4-2 . It has been assumed in these calculations that the crystalline phase exhibits minimal paracrystalline disorder ( Hosemann , 1962 ) of the second kind such as dislocations and ...
... calculated values of V2 and have been listed in Table 4-2 . It has been assumed in these calculations that the crystalline phase exhibits minimal paracrystalline disorder ( Hosemann , 1962 ) of the second kind such as dislocations and ...
Page 143
... calculated by two methods . The first made use of measured densities and heats of fusion along with calculated mass density for the crystalline phase and known stoichiometries . The second calculation was based on the fit of a kinematic ...
... calculated by two methods . The first made use of measured densities and heats of fusion along with calculated mass density for the crystalline phase and known stoichiometries . The second calculation was based on the fit of a kinematic ...
Page 145
... calculated as 0.8 and 2.2 nm . The materials were quite similar to H2 and H3 of this study ; the three - dimensional analysis used here yielded average crystalline thicknesses in the [ 001 ] direction of 2.3 and 2.8 nm . Bandadra and ...
... calculated as 0.8 and 2.2 nm . The materials were quite similar to H2 and H3 of this study ; the three - dimensional analysis used here yielded average crystalline thicknesses in the [ 001 ] direction of 2.3 and 2.8 nm . Bandadra and ...
Contents
THE CONDENSATION BLOCK COPOLYMER LITERATURE | 8 |
Schematic representation of different types of hard | 19 |
THE MEASUREMENT OF INTERFACIAL POLARIZATION | 30 |
20 other sections not shown
Common terms and phrases
amorphous phase analysis approximately average block copolymers calculated calorimetry component composition crystalline phase decreasing degree of polymerization dielectric spectroscopy differential scanning calorimetry diffraction lines DSC traces equation exhibit films frequency glass transition temperature gradients heat of fusion heating traces homopolymer hydrogen bonding increasing integral isotropic lamellae lattice Lilaonitkul maxima measured melting endotherm melting point microdomains microscopy microstructures modulus mold molecular weight N/cm² nucleation number-average paracrystalline parameters permittivity poly(tetramethylene polyester polyester crystallites polyether crystallization polyether melting polyether segments polyether sequences polymers polyurethane segments polyurethane sequences primary transition PTMEG PTMO PTMO-PTMT PTMT reaction regions rubbery plateau sample SAXS scanning scattering angle scattering patterns segment lengths segmented polyesters segmented polyether-esters segmented polyether-urethanes segmented polyurethanes shown in Figure spectra spectrometer spherulites Subaudio subcooling superlattice Table temperature range thermal thermoplastic elastomers urethane values volume fraction weight fraction X-ray diffraction X-ray scattering