Microstructure in Polyether-ester and Polyether-urethane Block Copolymers: Electric Polarization and X-ray Diffraction as Morphological Probes |
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Page 189
... temperature range and one located near T temperature scale . This second maximum is often regarded as a fictive value for Tg . For comparison , it has been tabulated in Table 5-2 as Ta . Although T and Ta in Table 5-2 exhibit similar ...
... temperature range and one located near T temperature scale . This second maximum is often regarded as a fictive value for Tg . For comparison , it has been tabulated in Table 5-2 as Ta . Although T and Ta in Table 5-2 exhibit similar ...
Page 190
... temperature of the polyether - rich phase . Point B is the value estimated from the inflection point in the DSC trace ; agreement between the two is fair . In range C , the gage length decreased abruptly , then began to rise again ...
... temperature of the polyether - rich phase . Point B is the value estimated from the inflection point in the DSC trace ; agreement between the two is fair . In range C , the gage length decreased abruptly , then began to rise again ...
Page 268
... temperature range as the glass - to - rubber transition . In the case of Q9 , the high temperature ε " process occurs in a temperature above that for the primary transition so that the latter is easily resolved . On the other hand , the ...
... temperature range as the glass - to - rubber transition . In the case of Q9 , the high temperature ε " process occurs in a temperature above that for the primary transition so that the latter is easily resolved . On the other hand , the ...
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