Microstructure in Polyether-ester and Polyether-urethane Block Copolymers: Electric Polarization and X-ray Diffraction as Morphological Probes |
From inside the book
Results 1-3 of 22
Page 88
... ( SAXS ) from quenched PTMO - PTMT films was found to be consistent with a model of stacked lamellae of alternating phase , after the isotropic scattering pattern had been Lorentz corrected and Fourier transformed into a one - dimensional ...
... ( SAXS ) from quenched PTMO - PTMT films was found to be consistent with a model of stacked lamellae of alternating phase , after the isotropic scattering pattern had been Lorentz corrected and Fourier transformed into a one - dimensional ...
Page 143
... SAXS intensities . Fair agreement between these two sets of values reflected positively both on the applicability of the SAXS model and on the assumption of a high degree of long - range order in the PTMT crystalline lattice . In ...
... SAXS intensities . Fair agreement between these two sets of values reflected positively both on the applicability of the SAXS model and on the assumption of a high degree of long - range order in the PTMT crystalline lattice . In ...
Page 280
... SAXS patterns much like those measured from block copolymers ( LeGrand , 1979 ) . Analysis of the SAXS data for the segmented polyurethanes has been avoided , because the scattering arises from two regions , spherulitic and non ...
... SAXS patterns much like those measured from block copolymers ( LeGrand , 1979 ) . Analysis of the SAXS data for the segmented polyurethanes has been avoided , because the scattering arises from two regions , spherulitic and non ...
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