Microstructure in Polyether-ester and Polyether-urethane Block Copolymers: Electric Polarization and X-ray Diffraction as Morphological Probes |
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Results 1-3 of 22
Page 109
... diffraction lines and diffuse scattering . Broadening of the diffraction lines arises due to several factors ( Wang , 1980 ) : optical and electronic broadening , broadening due to paracrystalline disorder of the second kind , and small ...
... diffraction lines and diffuse scattering . Broadening of the diffraction lines arises due to several factors ( Wang , 1980 ) : optical and electronic broadening , broadening due to paracrystalline disorder of the second kind , and small ...
Page 141
... diffraction technique do not suffer from this shortcoming , although uncertainties regarding the nature and effect ... lines , all exhibited considerable broadening . Diffraction lines from lattice planes whose perpendiculars have large ...
... diffraction technique do not suffer from this shortcoming , although uncertainties regarding the nature and effect ... lines , all exhibited considerable broadening . Diffraction lines from lattice planes whose perpendiculars have large ...
Page 177
... diffraction lines are apparent with d - spacings of 0.784 , 0.456 and 0.379 nm . These same three lines are apparent in the Q9 pattern , although the two higher - angle lines appear as shoulders on the strong polyether lines . Chang ...
... diffraction lines are apparent with d - spacings of 0.784 , 0.456 and 0.379 nm . These same three lines are apparent in the Q9 pattern , although the two higher - angle lines appear as shoulders on the strong polyether lines . Chang ...
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